diff options
Diffstat (limited to 'tools')
558 files changed, 35365 insertions, 6766 deletions
diff --git a/tools/Makefile b/tools/Makefile index a9b02008443..9a617adc667 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -3,9 +3,11 @@ include scripts/Makefile.include help: @echo 'Possible targets:' @echo '' + @echo ' acpi - ACPI tools' @echo ' cgroup - cgroup tools' @echo ' cpupower - a tool for all things x86 CPU power' @echo ' firewire - the userspace part of nosy, an IEEE-1394 traffic sniffer' + @echo ' hv - tools used when in Hyper-V clients' @echo ' lguest - a minimal 32-bit x86 hypervisor' @echo ' perf - Linux performance measurement and analysis tool' @echo ' selftests - various kernel selftests' @@ -33,16 +35,22 @@ help: @echo ' the respective build directory.' @echo ' clean: a summary clean target to clean _all_ folders' +acpi: FORCE + $(call descend,power/$@) + cpupower: FORCE $(call descend,power/$@) -cgroup firewire guest usb virtio vm net: FORCE +cgroup firewire hv guest usb virtio vm net: FORCE $(call descend,$@) -liblk: FORCE - $(call descend,lib/lk) +liblockdep: FORCE + $(call descend,lib/lockdep) -perf: liblk FORCE +libapikfs: FORCE + $(call descend,lib/api) + +perf: libapikfs FORCE $(call descend,$@) selftests: FORCE @@ -54,10 +62,13 @@ turbostat x86_energy_perf_policy: FORCE tmon: FORCE $(call descend,thermal/$@) +acpi_install: + $(call descend,power/$(@:_install=),install) + cpupower_install: $(call descend,power/$(@:_install=),install) -cgroup_install firewire_install lguest_install perf_install usb_install virtio_install vm_install net_install: +cgroup_install firewire_install hv_install lguest_install perf_install usb_install virtio_install vm_install net_install: $(call descend,$(@:_install=),install) selftests_install: @@ -69,21 +80,27 @@ turbostat_install x86_energy_perf_policy_install: tmon_install: $(call descend,thermal/$(@:_install=),install) -install: cgroup_install cpupower_install firewire_install lguest_install \ +install: acpi_install cgroup_install cpupower_install hv_install firewire_install lguest_install \ perf_install selftests_install turbostat_install usb_install \ virtio_install vm_install net_install x86_energy_perf_policy_install \ tmon +acpi_clean: + $(call descend,power/acpi,clean) + cpupower_clean: $(call descend,power/cpupower,clean) -cgroup_clean firewire_clean lguest_clean usb_clean virtio_clean vm_clean net_clean: +cgroup_clean hv_clean firewire_clean lguest_clean usb_clean virtio_clean vm_clean net_clean: $(call descend,$(@:_clean=),clean) -liblk_clean: - $(call descend,lib/lk,clean) +liblockdep_clean: + $(call descend,lib/lockdep,clean) + +libapikfs_clean: + $(call descend,lib/api,clean) -perf_clean: liblk_clean +perf_clean: libapikfs_clean $(call descend,$(@:_clean=),clean) selftests_clean: @@ -95,8 +112,8 @@ turbostat_clean x86_energy_perf_policy_clean: tmon_clean: $(call descend,thermal/tmon,clean) -clean: cgroup_clean cpupower_clean firewire_clean lguest_clean perf_clean \ - selftests_clean turbostat_clean usb_clean virtio_clean \ +clean: acpi_clean cgroup_clean cpupower_clean hv_clean firewire_clean lguest_clean \ + perf_clean selftests_clean turbostat_clean usb_clean virtio_clean \ vm_clean net_clean x86_energy_perf_policy_clean tmon_clean .PHONY: FORCE diff --git a/tools/hv/Makefile b/tools/hv/Makefile new file mode 100644 index 00000000000..bd22f786a60 --- /dev/null +++ b/tools/hv/Makefile @@ -0,0 +1,13 @@ +# Makefile for Hyper-V tools + +CC = $(CROSS_COMPILE)gcc +PTHREAD_LIBS = -lpthread +WARNINGS = -Wall -Wextra +CFLAGS = $(WARNINGS) -g $(PTHREAD_LIBS) + +all: hv_kvp_daemon hv_vss_daemon +%: %.c + $(CC) $(CFLAGS) -o $@ $^ + +clean: + $(RM) hv_kvp_daemon hv_vss_daemon diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c new file mode 100644 index 00000000000..fba1c75aa48 --- /dev/null +++ b/tools/hv/hv_fcopy_daemon.c @@ -0,0 +1,197 @@ +/* + * An implementation of host to guest copy functionality for Linux. + * + * Copyright (C) 2014, Microsoft, Inc. + * + * Author : K. Y. Srinivasan <kys@microsoft.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + */ + + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/poll.h> +#include <linux/types.h> +#include <linux/kdev_t.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> +#include <linux/hyperv.h> +#include <syslog.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <dirent.h> + +static int target_fd; +static char target_fname[W_MAX_PATH]; + +static int hv_start_fcopy(struct hv_start_fcopy *smsg) +{ + int error = HV_E_FAIL; + char *q, *p; + + /* + * If possile append a path seperator to the path. + */ + if (strlen((char *)smsg->path_name) < (W_MAX_PATH - 2)) + strcat((char *)smsg->path_name, "/"); + + p = (char *)smsg->path_name; + snprintf(target_fname, sizeof(target_fname), "%s/%s", + (char *)smsg->path_name, smsg->file_name); + + syslog(LOG_INFO, "Target file name: %s", target_fname); + /* + * Check to see if the path is already in place; if not, + * create if required. + */ + while ((q = strchr(p, '/')) != NULL) { + if (q == p) { + p++; + continue; + } + *q = '\0'; + if (access((char *)smsg->path_name, F_OK)) { + if (smsg->copy_flags & CREATE_PATH) { + if (mkdir((char *)smsg->path_name, 0755)) { + syslog(LOG_ERR, "Failed to create %s", + (char *)smsg->path_name); + goto done; + } + } else { + syslog(LOG_ERR, "Invalid path: %s", + (char *)smsg->path_name); + goto done; + } + } + p = q + 1; + *q = '/'; + } + + if (!access(target_fname, F_OK)) { + syslog(LOG_INFO, "File: %s exists", target_fname); + if (!(smsg->copy_flags & OVER_WRITE)) { + error = HV_ERROR_ALREADY_EXISTS; + goto done; + } + } + + target_fd = open(target_fname, O_RDWR | O_CREAT | O_CLOEXEC, 0744); + if (target_fd == -1) { + syslog(LOG_INFO, "Open Failed: %s", strerror(errno)); + goto done; + } + + error = 0; +done: + return error; +} + +static int hv_copy_data(struct hv_do_fcopy *cpmsg) +{ + ssize_t bytes_written; + + bytes_written = pwrite(target_fd, cpmsg->data, cpmsg->size, + cpmsg->offset); + + if (bytes_written != cpmsg->size) + return HV_E_FAIL; + + return 0; +} + +static int hv_copy_finished(void) +{ + close(target_fd); + return 0; +} +static int hv_copy_cancel(void) +{ + close(target_fd); + unlink(target_fname); + return 0; + +} + +int main(void) +{ + int fd, fcopy_fd, len; + int error; + int version = FCOPY_CURRENT_VERSION; + char *buffer[4096 * 2]; + struct hv_fcopy_hdr *in_msg; + + if (daemon(1, 0)) { + syslog(LOG_ERR, "daemon() failed; error: %s", strerror(errno)); + exit(EXIT_FAILURE); + } + + openlog("HV_FCOPY", 0, LOG_USER); + syslog(LOG_INFO, "HV_FCOPY starting; pid is:%d", getpid()); + + fcopy_fd = open("/dev/vmbus/hv_fcopy", O_RDWR); + + if (fcopy_fd < 0) { + syslog(LOG_ERR, "open /dev/vmbus/hv_fcopy failed; error: %d %s", + errno, strerror(errno)); + exit(EXIT_FAILURE); + } + + /* + * Register with the kernel. + */ + if ((write(fcopy_fd, &version, sizeof(int))) != sizeof(int)) { + syslog(LOG_ERR, "Registration failed: %s", strerror(errno)); + exit(EXIT_FAILURE); + } + + while (1) { + /* + * In this loop we process fcopy messages after the + * handshake is complete. + */ + len = pread(fcopy_fd, buffer, (4096 * 2), 0); + if (len < 0) { + syslog(LOG_ERR, "pread failed: %s", strerror(errno)); + exit(EXIT_FAILURE); + } + in_msg = (struct hv_fcopy_hdr *)buffer; + + switch (in_msg->operation) { + case START_FILE_COPY: + error = hv_start_fcopy((struct hv_start_fcopy *)in_msg); + break; + case WRITE_TO_FILE: + error = hv_copy_data((struct hv_do_fcopy *)in_msg); + break; + case COMPLETE_FCOPY: + error = hv_copy_finished(); + break; + case CANCEL_FCOPY: + error = hv_copy_cancel(); + break; + + default: + syslog(LOG_ERR, "Unknown operation: %d", + in_msg->operation); + + } + + if (pwrite(fcopy_fd, &error, sizeof(int), 0) != sizeof(int)) { + syslog(LOG_ERR, "pwrite failed: %s", strerror(errno)); + exit(EXIT_FAILURE); + } + } +} diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index b8d6d541d85..4088b816a3e 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -26,7 +26,6 @@ #include <sys/socket.h> #include <sys/poll.h> #include <sys/utsname.h> -#include <linux/types.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c index 8bcb04096eb..6a213b8cd7b 100644 --- a/tools/hv/hv_vss_daemon.c +++ b/tools/hv/hv_vss_daemon.c @@ -22,7 +22,6 @@ #include <sys/socket.h> #include <sys/poll.h> #include <sys/ioctl.h> -#include <linux/types.h> #include <fcntl.h> #include <stdio.h> #include <mntent.h> @@ -88,6 +87,8 @@ static int vss_operate(int operation) continue; if (strcmp(ent->mnt_type, "iso9660") == 0) continue; + if (strcmp(ent->mnt_type, "vfat") == 0) + continue; if (strcmp(ent->mnt_dir, "/") == 0) { root_seen = 1; continue; diff --git a/tools/perf/util/include/asm/bug.h b/tools/include/asm/bug.h index 7fcc6810adc..9e5f4846967 100644 --- a/tools/perf/util/include/asm/bug.h +++ b/tools/include/asm/bug.h @@ -1,5 +1,7 @@ -#ifndef _PERF_ASM_GENERIC_BUG_H -#define _PERF_ASM_GENERIC_BUG_H +#ifndef _TOOLS_ASM_BUG_H +#define _TOOLS_ASM_BUG_H + +#include <linux/compiler.h> #define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0) @@ -19,4 +21,5 @@ __warned = 1; \ unlikely(__ret_warn_once); \ }) -#endif + +#endif /* _TOOLS_ASM_BUG_H */ diff --git a/tools/perf/util/include/linux/compiler.h b/tools/include/linux/compiler.h index b003ad7200b..88461f09cc8 100644 --- a/tools/perf/util/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -1,5 +1,5 @@ -#ifndef _PERF_LINUX_COMPILER_H_ -#define _PERF_LINUX_COMPILER_H_ +#ifndef _TOOLS_LINUX_COMPILER_H_ +#define _TOOLS_LINUX_COMPILER_H_ #ifndef __always_inline # define __always_inline inline __attribute__((always_inline)) @@ -27,4 +27,14 @@ # define __weak __attribute__((weak)) #endif +#ifndef likely +# define likely(x) __builtin_expect(!!(x), 1) #endif + +#ifndef unlikely +# define unlikely(x) __builtin_expect(!!(x), 0) +#endif + +#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) + +#endif /* _TOOLS_LINUX_COMPILER_H */ diff --git a/tools/virtio/linux/export.h b/tools/include/linux/export.h index 7311d326894..d07e586b9ba 100644 --- a/tools/virtio/linux/export.h +++ b/tools/include/linux/export.h @@ -1,5 +1,10 @@ +#ifndef _TOOLS_LINUX_EXPORT_H_ +#define _TOOLS_LINUX_EXPORT_H_ + #define EXPORT_SYMBOL(sym) #define EXPORT_SYMBOL_GPL(sym) #define EXPORT_SYMBOL_GPL_FUTURE(sym) #define EXPORT_UNUSED_SYMBOL(sym) #define EXPORT_UNUSED_SYMBOL_GPL(sym) + +#endif diff --git a/tools/include/linux/hash.h b/tools/include/linux/hash.h new file mode 100644 index 00000000000..d026c657301 --- /dev/null +++ b/tools/include/linux/hash.h @@ -0,0 +1,5 @@ +#include "../../../include/linux/hash.h" + +#ifndef _TOOLS_LINUX_HASH_H +#define _TOOLS_LINUX_HASH_H +#endif diff --git a/tools/include/linux/types.h b/tools/include/linux/types.h new file mode 100644 index 00000000000..b5cf25e05df --- /dev/null +++ b/tools/include/linux/types.h @@ -0,0 +1,75 @@ +#ifndef _TOOLS_LINUX_TYPES_H_ +#define _TOOLS_LINUX_TYPES_H_ + +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> + +#define __SANE_USERSPACE_TYPES__ /* For PPC64, to get LL64 types */ +#include <asm/types.h> + +struct page; +struct kmem_cache; + +typedef enum { + GFP_KERNEL, + GFP_ATOMIC, + __GFP_HIGHMEM, + __GFP_HIGH +} gfp_t; + +/* + * We define u64 as uint64_t for every architecture + * so that we can print it with "%"PRIx64 without getting warnings. + * + * typedef __u64 u64; + * typedef __s64 s64; + */ +typedef uint64_t u64; +typedef int64_t s64; + +typedef __u32 u32; +typedef __s32 s32; + +typedef __u16 u16; +typedef __s16 s16; + +typedef __u8 u8; +typedef __s8 s8; + +#ifdef __CHECKER__ +#define __bitwise__ __attribute__((bitwise)) +#else +#define __bitwise__ +#endif +#ifdef __CHECK_ENDIAN__ +#define __bitwise __bitwise__ +#else +#define __bitwise +#endif + +#define __force +#define __user +#define __must_check +#define __cold + +typedef __u16 __bitwise __le16; +typedef __u16 __bitwise __be16; +typedef __u32 __bitwise __le32; +typedef __u32 __bitwise __be32; +typedef __u64 __bitwise __le64; +typedef __u64 __bitwise __be64; + +struct list_head { + struct list_head *next, *prev; +}; + +struct hlist_head { + struct hlist_node *first; +}; + +struct hlist_node { + struct hlist_node *next, **pprev; +}; + +#endif /* _TOOLS_LINUX_TYPES_H_ */ diff --git a/tools/lib/lk/Makefile b/tools/lib/api/Makefile index 3dba0a4aebb..ce00f7ee645 100644 --- a/tools/lib/lk/Makefile +++ b/tools/lib/api/Makefile @@ -1,4 +1,5 @@ include ../../scripts/Makefile.include +include ../../perf/config/utilities.mak # QUIET_CLEAN CC = $(CROSS_COMPILE)gcc AR = $(CROSS_COMPILE)ar @@ -7,11 +8,13 @@ AR = $(CROSS_COMPILE)ar LIB_H= LIB_OBJS= -LIB_H += debugfs.h +LIB_H += fs/debugfs.h +LIB_H += fs/fs.h -LIB_OBJS += $(OUTPUT)debugfs.o +LIB_OBJS += $(OUTPUT)fs/debugfs.o +LIB_OBJS += $(OUTPUT)fs/fs.o -LIBFILE = liblk.a +LIBFILE = libapikfs.a CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC EXTLIBS = -lelf -lpthread -lrt -lm @@ -25,14 +28,17 @@ $(LIBFILE): $(LIB_OBJS) $(LIB_OBJS): $(LIB_H) -$(OUTPUT)%.o: %.c +libapi_dirs: + $(QUIET_MKDIR)mkdir -p $(OUTPUT)fs/ + +$(OUTPUT)%.o: %.c libapi_dirs $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $< -$(OUTPUT)%.s: %.c +$(OUTPUT)%.s: %.c libapi_dirs $(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $< -$(OUTPUT)%.o: %.S +$(OUTPUT)%.o: %.S libapi_dirs $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $< clean: - $(RM) $(LIB_OBJS) $(LIBFILE) + $(call QUIET_CLEAN, libapi) $(RM) $(LIB_OBJS) $(LIBFILE) .PHONY: clean diff --git a/tools/lib/lk/debugfs.c b/tools/lib/api/fs/debugfs.c index 7c434796235..a74fba6d774 100644 --- a/tools/lib/lk/debugfs.c +++ b/tools/lib/api/fs/debugfs.c @@ -12,8 +12,8 @@ char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug"; static const char * const debugfs_known_mountpoints[] = { - "/sys/kernel/debug/", - "/debug/", + "/sys/kernel/debug", + "/debug", 0, }; diff --git a/tools/lib/lk/debugfs.h b/tools/lib/api/fs/debugfs.h index 935c59bdb44..f19d3df9609 100644 --- a/tools/lib/lk/debugfs.h +++ b/tools/lib/api/fs/debugfs.h @@ -1,5 +1,5 @@ -#ifndef __LK_DEBUGFS_H__ -#define __LK_DEBUGFS_H__ +#ifndef __API_DEBUGFS_H__ +#define __API_DEBUGFS_H__ #define _STR(x) #x #define STR(x) _STR(x) @@ -26,4 +26,4 @@ char *debugfs_mount(const char *mountpoint); extern char debugfs_mountpoint[]; -#endif /* __LK_DEBUGFS_H__ */ +#endif /* __API_DEBUGFS_H__ */ diff --git a/tools/perf/util/fs.c b/tools/lib/api/fs/fs.c index f5be1f26e72..c1b49c36a95 100644 --- a/tools/perf/util/fs.c +++ b/tools/lib/api/fs/fs.c @@ -1,8 +1,15 @@ +/* TODO merge/factor in debugfs.c here */ -/* TODO merge/factor into tools/lib/lk/debugfs.c */ +#include <ctype.h> +#include <errno.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/vfs.h> -#include "util.h" -#include "util/fs.h" +#include "debugfs.h" +#include "fs.h" static const char * const sysfs__fs_known_mountpoints[] = { "/sys", @@ -91,12 +98,51 @@ static bool fs__check_mounts(struct fs *fs) return false; } +static void mem_toupper(char *f, size_t len) +{ + while (len) { + *f = toupper(*f); + f++; + len--; + } +} + +/* + * Check for "NAME_PATH" environment variable to override fs location (for + * testing). This matches the recommendation in Documentation/sysfs-rules.txt + * for SYSFS_PATH. + */ +static bool fs__env_override(struct fs *fs) +{ + char *override_path; + size_t name_len = strlen(fs->name); + /* name + "_PATH" + '\0' */ + char upper_name[name_len + 5 + 1]; + memcpy(upper_name, fs->name, name_len); + mem_toupper(upper_name, name_len); + strcpy(&upper_name[name_len], "_PATH"); + + override_path = getenv(upper_name); + if (!override_path) + return false; + + fs->found = true; + strncpy(fs->path, override_path, sizeof(fs->path)); + return true; +} + static const char *fs__get_mountpoint(struct fs *fs) { + if (fs__env_override(fs)) + return fs->path; + if (fs__check_mounts(fs)) return fs->path; - return fs__read_mounts(fs) ? fs->path : NULL; + if (fs__read_mounts(fs)) + return fs->path; + + return NULL; } static const char *fs__mountpoint(int idx) diff --git a/tools/perf/util/include/linux/magic.h b/tools/lib/api/fs/fs.h index 07d63cf3e0f..cb7049551f3 100644 --- a/tools/perf/util/include/linux/magic.h +++ b/tools/lib/api/fs/fs.h @@ -1,9 +1,5 @@ -#ifndef _PERF_LINUX_MAGIC_H_ -#define _PERF_LINUX_MAGIC_H_ - -#ifndef DEBUGFS_MAGIC -#define DEBUGFS_MAGIC 0x64626720 -#endif +#ifndef __API_FS__ +#define __API_FS__ #ifndef SYSFS_MAGIC #define SYSFS_MAGIC 0x62656572 @@ -13,4 +9,6 @@ #define PROC_SUPER_MAGIC 0x9fa0 #endif -#endif +const char *sysfs__mountpoint(void); +const char *procfs__mountpoint(void); +#endif /* __API_FS__ */ diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile new file mode 100644 index 00000000000..52f9279c6c1 --- /dev/null +++ b/tools/lib/lockdep/Makefile @@ -0,0 +1,243 @@ +# file format version +FILE_VERSION = 1 + +LIBLOCKDEP_VERSION=$(shell make --no-print-directory -sC ../../.. kernelversion) + +# Makefiles suck: This macro sets a default value of $(2) for the +# variable named by $(1), unless the variable has been set by +# environment or command line. This is necessary for CC and AR +# because make sets default values, so the simpler ?= approach +# won't work as expected. +define allow-override + $(if $(or $(findstring environment,$(origin $(1))),\ + $(findstring command line,$(origin $(1)))),,\ + $(eval $(1) = $(2))) +endef + +# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix. +$(call allow-override,CC,$(CROSS_COMPILE)gcc) +$(call allow-override,AR,$(CROSS_COMPILE)ar) + +INSTALL = install + +# Use DESTDIR for installing into a different root directory. +# This is useful for building a package. The program will be +# installed in this directory as if it was the root directory. +# Then the build tool can move it later. +DESTDIR ?= +DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))' + +prefix ?= /usr/local +libdir_relative = lib +libdir = $(prefix)/$(libdir_relative) +bindir_relative = bin +bindir = $(prefix)/$(bindir_relative) + +export DESTDIR DESTDIR_SQ INSTALL + +# copy a bit from Linux kbuild + +ifeq ("$(origin V)", "command line") + VERBOSE = $(V) +endif +ifndef VERBOSE + VERBOSE = 0 +endif + +ifeq ("$(origin O)", "command line") + BUILD_OUTPUT := $(O) +endif + +ifeq ($(BUILD_SRC),) +ifneq ($(BUILD_OUTPUT),) + +define build_output + $(if $(VERBOSE:1=),@)$(MAKE) -C $(BUILD_OUTPUT) \ + BUILD_SRC=$(CURDIR) -f $(CURDIR)/Makefile $1 +endef + +saved-output := $(BUILD_OUTPUT) +BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd) +$(if $(BUILD_OUTPUT),, \ + $(error output directory "$(saved-output)" does not exist)) + +all: sub-make + +gui: force + $(call build_output, all_cmd) + +$(filter-out gui,$(MAKECMDGOALS)): sub-make + +sub-make: force + $(call build_output, $(MAKECMDGOALS)) + + +# Leave processing to above invocation of make +skip-makefile := 1 + +endif # BUILD_OUTPUT +endif # BUILD_SRC + +# We process the rest of the Makefile if this is the final invocation of make +ifeq ($(skip-makefile),) + +srctree := $(realpath $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))) +objtree := $(realpath $(CURDIR)) +src := $(srctree) +obj := $(objtree) + +export prefix libdir bindir src obj + +# Shell quotes +libdir_SQ = $(subst ','\'',$(libdir)) +bindir_SQ = $(subst ','\'',$(bindir)) + +LIB_FILE = liblockdep.a liblockdep.so.$(LIBLOCKDEP_VERSION) +BIN_FILE = lockdep + +CONFIG_INCLUDES = +CONFIG_LIBS = +CONFIG_FLAGS = + +OBJ = $@ +N = + +export Q VERBOSE + +INCLUDES = -I. -I/usr/local/include -I./uinclude -I./include -I../../include $(CONFIG_INCLUDES) + +# Set compile option CFLAGS if not set elsewhere +CFLAGS ?= -g -DCONFIG_LOCKDEP -DCONFIG_STACKTRACE -DCONFIG_PROVE_LOCKING -DBITS_PER_LONG=__WORDSIZE -DLIBLOCKDEP_VERSION='"$(LIBLOCKDEP_VERSION)"' -rdynamic -O0 -g + +override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ) + +ifeq ($(VERBOSE),1) + Q = + print_compile = + print_app_build = + print_fpic_compile = + print_shared_lib_compile = + print_install = +else + Q = @ + print_compile = echo ' CC '$(OBJ); + print_app_build = echo ' BUILD '$(OBJ); + print_fpic_compile = echo ' CC FPIC '$(OBJ); + print_shared_lib_compile = echo ' BUILD SHARED LIB '$(OBJ); + print_static_lib_build = echo ' BUILD STATIC LIB '$(OBJ); + print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2'; +endif + +do_fpic_compile = \ + ($(print_fpic_compile) \ + $(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@) + +do_app_build = \ + ($(print_app_build) \ + $(CC) $^ -rdynamic -o $@ $(CONFIG_LIBS) $(LIBS)) + +do_compile_shared_library = \ + ($(print_shared_lib_compile) \ + $(CC) --shared $^ -o $@ -lpthread -ldl -Wl,-soname='"$@"';$(shell ln -s $@ liblockdep.so)) + +do_build_static_lib = \ + ($(print_static_lib_build) \ + $(RM) $@; $(AR) rcs $@ $^) + + +define do_compile + $(print_compile) \ + $(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@; +endef + +$(obj)/%.o: $(src)/%.c + $(Q)$(call do_compile) + +%.o: $(src)/%.c + $(Q)$(call do_compile) + +PEVENT_LIB_OBJS = common.o lockdep.o preload.o rbtree.o + +ALL_OBJS = $(PEVENT_LIB_OBJS) + +CMD_TARGETS = $(LIB_FILE) + +TARGETS = $(CMD_TARGETS) + + +all: all_cmd + +all_cmd: $(CMD_TARGETS) + +liblockdep.so.$(LIBLOCKDEP_VERSION): $(PEVENT_LIB_OBJS) + $(Q)$(do_compile_shared_library) + +liblockdep.a: $(PEVENT_LIB_OBJS) + $(Q)$(do_build_static_lib) + +$(PEVENT_LIB_OBJS): %.o: $(src)/%.c + $(Q)$(do_fpic_compile) + +## make deps + +all_objs := $(sort $(ALL_OBJS)) +all_deps := $(all_objs:%.o=.%.d) + +# let .d file also depends on the source and header files +define check_deps + @set -e; $(RM) $@; \ + $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ + sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ + $(RM) $@.$$$$ +endef + +$(all_deps): .%.d: $(src)/%.c + $(Q)$(call check_deps) + +$(all_objs) : %.o : .%.d + +dep_includes := $(wildcard $(all_deps)) + +ifneq ($(dep_includes),) + include $(dep_includes) +endif + +### Detect environment changes +TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):$(ARCH):$(CROSS_COMPILE) + +tags: force + $(RM) tags + find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \ + --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' + +TAGS: force + $(RM) TAGS + find . -name '*.[ch]' | xargs etags \ + --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' + +define do_install + $(print_install) \ + if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ + fi; \ + $(INSTALL) $1 '$(DESTDIR_SQ)$2' +endef + +install_lib: all_cmd + $(Q)$(call do_install,$(LIB_FILE),$(libdir_SQ)) + $(Q)$(call do_install,$(BIN_FILE),$(bindir_SQ)) + +install: install_lib + +clean: + $(RM) *.o *~ $(TARGETS) *.a *liblockdep*.so* $(VERSION_FILES) .*.d + $(RM) tags TAGS + +endif # skip-makefile + +PHONY += force +force: + +# Declare the contents of the .PHONY variable as phony. We keep that +# information in a variable so we can use it in if_changed and friends. +.PHONY: $(PHONY) diff --git a/tools/lib/lockdep/common.c b/tools/lib/lockdep/common.c new file mode 100644 index 00000000000..8ef602f18a3 --- /dev/null +++ b/tools/lib/lockdep/common.c @@ -0,0 +1,33 @@ +#include <stddef.h> +#include <stdbool.h> +#include <linux/compiler.h> +#include <linux/lockdep.h> +#include <unistd.h> +#include <sys/syscall.h> + +static __thread struct task_struct current_obj; + +/* lockdep wants these */ +bool debug_locks = true; +bool debug_locks_silent; + +__attribute__((constructor)) static void liblockdep_init(void) +{ + lockdep_init(); +} + +__attribute__((destructor)) static void liblockdep_exit(void) +{ + debug_check_no_locks_held(¤t_obj); +} + +struct task_struct *__curr(void) +{ + if (current_obj.pid == 0) { + /* Makes lockdep output pretty */ + prctl(PR_GET_NAME, current_obj.comm); + current_obj.pid = syscall(__NR_gettid); + } + + return ¤t_obj; +} diff --git a/tools/lib/lockdep/include/liblockdep/common.h b/tools/lib/lockdep/include/liblockdep/common.h new file mode 100644 index 00000000000..0bda630027c --- /dev/null +++ b/tools/lib/lockdep/include/liblockdep/common.h @@ -0,0 +1,50 @@ +#ifndef _LIBLOCKDEP_COMMON_H +#define _LIBLOCKDEP_COMMON_H + +#include <pthread.h> + +#define NR_LOCKDEP_CACHING_CLASSES 2 +#define MAX_LOCKDEP_SUBCLASSES 8UL + +#ifndef CALLER_ADDR0 +#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) +#endif + +#ifndef _RET_IP_ +#define _RET_IP_ CALLER_ADDR0 +#endif + +#ifndef _THIS_IP_ +#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; }) +#endif + +struct lockdep_subclass_key { + char __one_byte; +}; + +struct lock_class_key { + struct lockdep_subclass_key subkeys[MAX_LOCKDEP_SUBCLASSES]; +}; + +struct lockdep_map { + struct lock_class_key *key; + struct lock_class *class_cache[NR_LOCKDEP_CACHING_CLASSES]; + const char *name; +#ifdef CONFIG_LOCK_STAT + int cpu; + unsigned long ip; +#endif +}; + +void lockdep_init_map(struct lockdep_map *lock, const char *name, + struct lock_class_key *key, int subclass); +void lock_acquire(struct lockdep_map *lock, unsigned int subclass, + int trylock, int read, int check, + struct lockdep_map *nest_lock, unsigned long ip); +void lock_release(struct lockdep_map *lock, int nested, + unsigned long ip); + +#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ + { .name = (_name), .key = (void *)(_key), } + +#endif diff --git a/tools/lib/lockdep/include/liblockdep/mutex.h b/tools/lib/lockdep/include/liblockdep/mutex.h new file mode 100644 index 00000000000..ee53a42818c --- /dev/null +++ b/tools/lib/lockdep/include/liblockdep/mutex.h @@ -0,0 +1,70 @@ +#ifndef _LIBLOCKDEP_MUTEX_H +#define _LIBLOCKDEP_MUTEX_H + +#include <pthread.h> +#include "common.h" + +struct liblockdep_pthread_mutex { + pthread_mutex_t mutex; + struct lockdep_map dep_map; +}; + +typedef struct liblockdep_pthread_mutex liblockdep_pthread_mutex_t; + +#define LIBLOCKDEP_PTHREAD_MUTEX_INITIALIZER(mtx) \ + (const struct liblockdep_pthread_mutex) { \ + .mutex = PTHREAD_MUTEX_INITIALIZER, \ + .dep_map = STATIC_LOCKDEP_MAP_INIT(#mtx, &((&(mtx))->dep_map)), \ +} + +static inline int __mutex_init(liblockdep_pthread_mutex_t *lock, + const char *name, + struct lock_class_key *key, + const pthread_mutexattr_t *__mutexattr) +{ + lockdep_init_map(&lock->dep_map, name, key, 0); + return pthread_mutex_init(&lock->mutex, __mutexattr); +} + +#define liblockdep_pthread_mutex_init(mutex, mutexattr) \ +({ \ + static struct lock_class_key __key; \ + \ + __mutex_init((mutex), #mutex, &__key, (mutexattr)); \ +}) + +static inline int liblockdep_pthread_mutex_lock(liblockdep_pthread_mutex_t *lock) +{ + lock_acquire(&lock->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_); + return pthread_mutex_lock(&lock->mutex); +} + +static inline int liblockdep_pthread_mutex_unlock(liblockdep_pthread_mutex_t *lock) +{ + lock_release(&lock->dep_map, 0, (unsigned long)_RET_IP_); + return pthread_mutex_unlock(&lock->mutex); +} + +static inline int liblockdep_pthread_mutex_trylock(liblockdep_pthread_mutex_t *lock) +{ + lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_); + return pthread_mutex_trylock(&lock->mutex) == 0 ? 1 : 0; +} + +static inline int liblockdep_pthread_mutex_destroy(liblockdep_pthread_mutex_t *lock) +{ + return pthread_mutex_destroy(&lock->mutex); +} + +#ifdef __USE_LIBLOCKDEP + +#define pthread_mutex_t liblockdep_pthread_mutex_t +#define pthread_mutex_init liblockdep_pthread_mutex_init +#define pthread_mutex_lock liblockdep_pthread_mutex_lock +#define pthread_mutex_unlock liblockdep_pthread_mutex_unlock +#define pthread_mutex_trylock liblockdep_pthread_mutex_trylock +#define pthread_mutex_destroy liblockdep_pthread_mutex_destroy + +#endif + +#endif diff --git a/tools/lib/lockdep/include/liblockdep/rwlock.h b/tools/lib/lockdep/include/liblockdep/rwlock.h new file mode 100644 index 00000000000..4ec03f86155 --- /dev/null +++ b/tools/lib/lockdep/include/liblockdep/rwlock.h @@ -0,0 +1,86 @@ +#ifndef _LIBLOCKDEP_RWLOCK_H +#define _LIBLOCKDEP_RWLOCK_H + +#include <pthread.h> +#include "common.h" + +struct liblockdep_pthread_rwlock { + pthread_rwlock_t rwlock; + struct lockdep_map dep_map; +}; + +typedef struct liblockdep_pthread_rwlock liblockdep_pthread_rwlock_t; + +#define LIBLOCKDEP_PTHREAD_RWLOCK_INITIALIZER(rwl) \ + (struct liblockdep_pthread_rwlock) { \ + .rwlock = PTHREAD_RWLOCK_INITIALIZER, \ + .dep_map = STATIC_LOCKDEP_MAP_INIT(#rwl, &((&(rwl))->dep_map)), \ +} + +static inline int __rwlock_init(liblockdep_pthread_rwlock_t *lock, + const char *name, + struct lock_class_key *key, + const pthread_rwlockattr_t *attr) +{ + lockdep_init_map(&lock->dep_map, name, key, 0); + + return pthread_rwlock_init(&lock->rwlock, attr); +} + +#define liblockdep_pthread_rwlock_init(lock, attr) \ +({ \ + static struct lock_class_key __key; \ + \ + __rwlock_init((lock), #lock, &__key, (attr)); \ +}) + +static inline int liblockdep_pthread_rwlock_rdlock(liblockdep_pthread_rwlock_t *lock) +{ + lock_acquire(&lock->dep_map, 0, 0, 2, 1, NULL, (unsigned long)_RET_IP_); + return pthread_rwlock_rdlock(&lock->rwlock); + +} + +static inline int liblockdep_pthread_rwlock_unlock(liblockdep_pthread_rwlock_t *lock) +{ + lock_release(&lock->dep_map, 0, (unsigned long)_RET_IP_); + return pthread_rwlock_unlock(&lock->rwlock); +} + +static inline int liblockdep_pthread_rwlock_wrlock(liblockdep_pthread_rwlock_t *lock) +{ + lock_acquire(&lock->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_); + return pthread_rwlock_wrlock(&lock->rwlock); +} + +static inline int liblockdep_pthread_rwlock_tryrdlock(liblockdep_pthread_rwlock_t *lock) +{ + lock_acquire(&lock->dep_map, 0, 1, 2, 1, NULL, (unsigned long)_RET_IP_); + return pthread_rwlock_tryrdlock(&lock->rwlock) == 0 ? 1 : 0; +} + +static inline int liblockdep_pthread_rwlock_trywlock(liblockdep_pthread_rwlock_t *lock) +{ + lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_); + return pthread_rwlock_trywlock(&lock->rwlock) == 0 ? 1 : 0; +} + +static inline int liblockdep_rwlock_destroy(liblockdep_pthread_rwlock_t *lock) +{ + return pthread_rwlock_destroy(&lock->rwlock); +} + +#ifdef __USE_LIBLOCKDEP + +#define pthread_rwlock_t liblockdep_pthread_rwlock_t +#define pthread_rwlock_init liblockdep_pthread_rwlock_init +#define pthread_rwlock_rdlock liblockdep_pthread_rwlock_rdlock +#define pthread_rwlock_unlock liblockdep_pthread_rwlock_unlock +#define pthread_rwlock_wrlock liblockdep_pthread_rwlock_wrlock +#define pthread_rwlock_tryrdlock liblockdep_pthread_rwlock_tryrdlock +#define pthread_rwlock_trywlock liblockdep_pthread_rwlock_trywlock +#define pthread_rwlock_destroy liblockdep_rwlock_destroy + +#endif + +#endif diff --git a/tools/lib/lockdep/lockdep b/tools/lib/lockdep/lockdep new file mode 100755 index 00000000000..49af9fe19f5 --- /dev/null +++ b/tools/lib/lockdep/lockdep @@ -0,0 +1,3 @@ +#!/bin/bash + +LD_PRELOAD="./liblockdep.so $LD_PRELOAD" "$@" diff --git a/tools/lib/lockdep/lockdep.c b/tools/lib/lockdep/lockdep.c new file mode 100644 index 00000000000..f42b7e9aa48 --- /dev/null +++ b/tools/lib/lockdep/lockdep.c @@ -0,0 +1,2 @@ +#include <linux/lockdep.h> +#include "../../../kernel/locking/lockdep.c" diff --git a/tools/lib/lockdep/lockdep_internals.h b/tools/lib/lockdep/lockdep_internals.h new file mode 100644 index 00000000000..29d0c954cc2 --- /dev/null +++ b/tools/lib/lockdep/lockdep_internals.h @@ -0,0 +1 @@ +#include "../../../kernel/locking/lockdep_internals.h" diff --git a/tools/lib/lockdep/lockdep_states.h b/tools/lib/lockdep/lockdep_states.h new file mode 100644 index 00000000000..248d235efda --- /dev/null +++ b/tools/lib/lockdep/lockdep_states.h @@ -0,0 +1 @@ +#include "../../../kernel/locking/lockdep_states.h" diff --git a/tools/lib/lockdep/preload.c b/tools/lib/lockdep/preload.c new file mode 100644 index 00000000000..6f803609e49 --- /dev/null +++ b/tools/lib/lockdep/preload.c @@ -0,0 +1,445 @@ +#define _GNU_SOURCE +#include <pthread.h> +#include <stdio.h> +#include <dlfcn.h> +#include <stdlib.h> +#include <sysexits.h> +#include "include/liblockdep/mutex.h" +#include "../../../include/linux/rbtree.h" + +/** + * struct lock_lookup - liblockdep's view of a single unique lock + * @orig: pointer to the original pthread lock, used for lookups + * @dep_map: lockdep's dep_map structure + * @key: lockdep's key structure + * @node: rb-tree node used to store the lock in a global tree + * @name: a unique name for the lock + */ +struct lock_lookup { + void *orig; /* Original pthread lock, used for lookups */ + struct lockdep_map dep_map; /* Since all locks are dynamic, we need + * a dep_map and a key for each lock */ + /* + * Wait, there's no support for key classes? Yup :( + * Most big projects wrap the pthread api with their own calls to + * be compatible with different locking methods. This means that + * "classes" will be brokes since the function that creates all + * locks will point to a generic locking function instead of the + * actual code that wants to do the locking. + */ + struct lock_class_key key; + struct rb_node node; +#define LIBLOCKDEP_MAX_LOCK_NAME 22 + char name[LIBLOCKDEP_MAX_LOCK_NAME]; +}; + +/* This is where we store our locks */ +static struct rb_root locks = RB_ROOT; +static pthread_rwlock_t locks_rwlock = PTHREAD_RWLOCK_INITIALIZER; + +/* pthread mutex API */ + +#ifdef __GLIBC__ +extern int __pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr); +extern int __pthread_mutex_lock(pthread_mutex_t *mutex); +extern int __pthread_mutex_trylock(pthread_mutex_t *mutex); +extern int __pthread_mutex_unlock(pthread_mutex_t *mutex); +extern int __pthread_mutex_destroy(pthread_mutex_t *mutex); +#else +#define __pthread_mutex_init NULL +#define __pthread_mutex_lock NULL +#define __pthread_mutex_trylock NULL +#define __pthread_mutex_unlock NULL +#define __pthread_mutex_destroy NULL +#endif +static int (*ll_pthread_mutex_init)(pthread_mutex_t *mutex, + const pthread_mutexattr_t *attr) = __pthread_mutex_init; +static int (*ll_pthread_mutex_lock)(pthread_mutex_t *mutex) = __pthread_mutex_lock; +static int (*ll_pthread_mutex_trylock)(pthread_mutex_t *mutex) = __pthread_mutex_trylock; +static int (*ll_pthread_mutex_unlock)(pthread_mutex_t *mutex) = __pthread_mutex_unlock; +static int (*ll_pthread_mutex_destroy)(pthread_mutex_t *mutex) = __pthread_mutex_destroy; + +/* pthread rwlock API */ + +#ifdef __GLIBC__ +extern int __pthread_rwlock_init(pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr); +extern int __pthread_rwlock_destroy(pthread_rwlock_t *rwlock); +extern int __pthread_rwlock_wrlock(pthread_rwlock_t *rwlock); +extern int __pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock); +extern int __pthread_rwlock_rdlock(pthread_rwlock_t *rwlock); +extern int __pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock); +extern int __pthread_rwlock_unlock(pthread_rwlock_t *rwlock); +#else +#define __pthread_rwlock_init NULL +#define __pthread_rwlock_destroy NULL +#define __pthread_rwlock_wrlock NULL +#define __pthread_rwlock_trywrlock NULL +#define __pthread_rwlock_rdlock NULL +#define __pthread_rwlock_tryrdlock NULL +#define __pthread_rwlock_unlock NULL +#endif + +static int (*ll_pthread_rwlock_init)(pthread_rwlock_t *rwlock, + const pthread_rwlockattr_t *attr) = __pthread_rwlock_init; +static int (*ll_pthread_rwlock_destroy)(pthread_rwlock_t *rwlock) = __pthread_rwlock_destroy; +static int (*ll_pthread_rwlock_rdlock)(pthread_rwlock_t *rwlock) = __pthread_rwlock_rdlock; +static int (*ll_pthread_rwlock_tryrdlock)(pthread_rwlock_t *rwlock) = __pthread_rwlock_tryrdlock; +static int (*ll_pthread_rwlock_trywrlock)(pthread_rwlock_t *rwlock) = __pthread_rwlock_trywrlock; +static int (*ll_pthread_rwlock_wrlock)(pthread_rwlock_t *rwlock) = __pthread_rwlock_wrlock; +static int (*ll_pthread_rwlock_unlock)(pthread_rwlock_t *rwlock) = __pthread_rwlock_unlock; + +enum { none, prepare, done, } __init_state; +static void init_preload(void); +static void try_init_preload(void) +{ + if (__init_state != done) + init_preload(); +} + +static struct rb_node **__get_lock_node(void *lock, struct rb_node **parent) +{ + struct rb_node **node = &locks.rb_node; + struct lock_lookup *l; + + *parent = NULL; + + while (*node) { + l = rb_entry(*node, struct lock_lookup, node); + + *parent = *node; + if (lock < l->orig) + node = &l->node.rb_left; + else if (lock > l->orig) + node = &l->node.rb_right; + else + return node; + } + + return node; +} + +#ifndef LIBLOCKDEP_STATIC_ENTRIES +#define LIBLOCKDEP_STATIC_ENTRIES 1024 +#endif + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +static struct lock_lookup __locks[LIBLOCKDEP_STATIC_ENTRIES]; +static int __locks_nr; + +static inline bool is_static_lock(struct lock_lookup *lock) +{ + return lock >= __locks && lock < __locks + ARRAY_SIZE(__locks); +} + +static struct lock_lookup *alloc_lock(void) +{ + if (__init_state != done) { + /* + * Some programs attempt to initialize and use locks in their + * allocation path. This means that a call to malloc() would + * result in locks being initialized and locked. + * + * Why is it an issue for us? dlsym() below will try allocating + * to give us the original function. Since this allocation will + * result in a locking operations, we have to let pthread deal + * with it, but we can't! we don't have the pointer to the + * original API since we're inside dlsym() trying to get it + */ + + int idx = __locks_nr++; + if (idx >= ARRAY_SIZE(__locks)) { + fprintf(stderr, + "LOCKDEP error: insufficient LIBLOCKDEP_STATIC_ENTRIES\n"); + exit(EX_UNAVAILABLE); + } + return __locks + idx; + } + + return malloc(sizeof(struct lock_lookup)); +} + +static inline void free_lock(struct lock_lookup *lock) +{ + if (likely(!is_static_lock(lock))) + free(lock); +} + +/** + * __get_lock - find or create a lock instance + * @lock: pointer to a pthread lock function + * + * Try to find an existing lock in the rbtree using the provided pointer. If + * one wasn't found - create it. + */ +static struct lock_lookup *__get_lock(void *lock) +{ + struct rb_node **node, *parent; + struct lock_lookup *l; + + ll_pthread_rwlock_rdlock(&locks_rwlock); + node = __get_lock_node(lock, &parent); + ll_pthread_rwlock_unlock(&locks_rwlock); + if (*node) { + return rb_entry(*node, struct lock_lookup, node); + } + + /* We didn't find the lock, let's create it */ + l = alloc_lock(); + if (l == NULL) + return NULL; + + l->orig = lock; + /* + * Currently the name of the lock is the ptr value of the pthread lock, + * while not optimal, it makes debugging a bit easier. + * + * TODO: Get the real name of the lock using libdwarf + */ + sprintf(l->name, "%p", lock); + lockdep_init_map(&l->dep_map, l->name, &l->key, 0); + + ll_pthread_rwlock_wrlock(&locks_rwlock); + /* This might have changed since the last time we fetched it */ + node = __get_lock_node(lock, &parent); + rb_link_node(&l->node, parent, node); + rb_insert_color(&l->node, &locks); + ll_pthread_rwlock_unlock(&locks_rwlock); + + return l; +} + +static void __del_lock(struct lock_lookup *lock) +{ + ll_pthread_rwlock_wrlock(&locks_rwlock); + rb_erase(&lock->node, &locks); + ll_pthread_rwlock_unlock(&locks_rwlock); + free_lock(lock); +} + +int pthread_mutex_init(pthread_mutex_t *mutex, + const pthread_mutexattr_t *attr) +{ + int r; + + /* + * We keep trying to init our preload module because there might be + * code in init sections that tries to touch locks before we are + * initialized, in that case we'll need to manually call preload + * to get us going. + * + * Funny enough, kernel's lockdep had the same issue, and used + * (almost) the same solution. See look_up_lock_class() in + * kernel/locking/lockdep.c for details. + */ + try_init_preload(); + + r = ll_pthread_mutex_init(mutex, attr); + if (r == 0) + /* + * We do a dummy initialization here so that lockdep could + * warn us if something fishy is going on - such as + * initializing a held lock. + */ + __get_lock(mutex); + + return r; +} + +int pthread_mutex_lock(pthread_mutex_t *mutex) +{ + int r; + + try_init_preload(); + + lock_acquire(&__get_lock(mutex)->dep_map, 0, 0, 0, 1, NULL, + (unsigned long)_RET_IP_); + /* + * Here's the thing with pthread mutexes: unlike the kernel variant, + * they can fail. + * + * This means that the behaviour here is a bit different from what's + * going on in the kernel: there we just tell lockdep that we took the + * lock before actually taking it, but here we must deal with the case + * that locking failed. + * + * To do that we'll "release" the lock if locking failed - this way + * we'll get lockdep doing the correct checks when we try to take + * the lock, and if that fails - we'll be back to the correct + * state by releasing it. + */ + r = ll_pthread_mutex_lock(mutex); + if (r) + lock_release(&__get_lock(mutex)->dep_map, 0, (unsigned long)_RET_IP_); + + return r; +} + +int pthread_mutex_trylock(pthread_mutex_t *mutex) +{ + int r; + + try_init_preload(); + + lock_acquire(&__get_lock(mutex)->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_); + r = ll_pthread_mutex_trylock(mutex); + if (r) + lock_release(&__get_lock(mutex)->dep_map, 0, (unsigned long)_RET_IP_); + + return r; +} + +int pthread_mutex_unlock(pthread_mutex_t *mutex) +{ + int r; + + try_init_preload(); + + lock_release(&__get_lock(mutex)->dep_map, 0, (unsigned long)_RET_IP_); + /* + * Just like taking a lock, only in reverse! + * + * If we fail releasing the lock, tell lockdep we're holding it again. + */ + r = ll_pthread_mutex_unlock(mutex); + if (r) + lock_acquire(&__get_lock(mutex)->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_); + + return r; +} + +int pthread_mutex_destroy(pthread_mutex_t *mutex) +{ + try_init_preload(); + + /* + * Let's see if we're releasing a lock that's held. + * + * TODO: Hook into free() and add that check there as well. + */ + debug_check_no_locks_freed(mutex, mutex + sizeof(*mutex)); + __del_lock(__get_lock(mutex)); + return ll_pthread_mutex_destroy(mutex); +} + +/* This is the rwlock part, very similar to what happened with mutex above */ +int pthread_rwlock_init(pthread_rwlock_t *rwlock, + const pthread_rwlockattr_t *attr) +{ + int r; + + try_init_preload(); + + r = ll_pthread_rwlock_init(rwlock, attr); + if (r == 0) + __get_lock(rwlock); + + return r; +} + +int pthread_rwlock_destroy(pthread_rwlock_t *rwlock) +{ + try_init_preload(); + + debug_check_no_locks_freed(rwlock, rwlock + sizeof(*rwlock)); + __del_lock(__get_lock(rwlock)); + return ll_pthread_rwlock_destroy(rwlock); +} + +int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock) +{ + int r; + + init_preload(); + + lock_acquire(&__get_lock(rwlock)->dep_map, 0, 0, 2, 1, NULL, (unsigned long)_RET_IP_); + r = ll_pthread_rwlock_rdlock(rwlock); + if (r) + lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_); + + return r; +} + +int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock) +{ + int r; + + init_preload(); + + lock_acquire(&__get_lock(rwlock)->dep_map, 0, 1, 2, 1, NULL, (unsigned long)_RET_IP_); + r = ll_pthread_rwlock_tryrdlock(rwlock); + if (r) + lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_); + + return r; +} + +int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock) +{ + int r; + + init_preload(); + + lock_acquire(&__get_lock(rwlock)->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_); + r = ll_pthread_rwlock_trywrlock(rwlock); + if (r) + lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_); + + return r; +} + +int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock) +{ + int r; + + init_preload(); + + lock_acquire(&__get_lock(rwlock)->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_); + r = ll_pthread_rwlock_wrlock(rwlock); + if (r) + lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_); + + return r; +} + +int pthread_rwlock_unlock(pthread_rwlock_t *rwlock) +{ + int r; + + init_preload(); + + lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_); + r = ll_pthread_rwlock_unlock(rwlock); + if (r) + lock_acquire(&__get_lock(rwlock)->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_); + + return r; +} + +__attribute__((constructor)) static void init_preload(void) +{ + if (__init_state == done) + return; + +#ifndef __GLIBC__ + __init_state = prepare; + + ll_pthread_mutex_init = dlsym(RTLD_NEXT, "pthread_mutex_init"); + ll_pthread_mutex_lock = dlsym(RTLD_NEXT, "pthread_mutex_lock"); + ll_pthread_mutex_trylock = dlsym(RTLD_NEXT, "pthread_mutex_trylock"); + ll_pthread_mutex_unlock = dlsym(RTLD_NEXT, "pthread_mutex_unlock"); + ll_pthread_mutex_destroy = dlsym(RTLD_NEXT, "pthread_mutex_destroy"); + + ll_pthread_rwlock_init = dlsym(RTLD_NEXT, "pthread_rwlock_init"); + ll_pthread_rwlock_destroy = dlsym(RTLD_NEXT, "pthread_rwlock_destroy"); + ll_pthread_rwlock_rdlock = dlsym(RTLD_NEXT, "pthread_rwlock_rdlock"); + ll_pthread_rwlock_tryrdlock = dlsym(RTLD_NEXT, "pthread_rwlock_tryrdlock"); + ll_pthread_rwlock_wrlock = dlsym(RTLD_NEXT, "pthread_rwlock_wrlock"); + ll_pthread_rwlock_trywrlock = dlsym(RTLD_NEXT, "pthread_rwlock_trywrlock"); + ll_pthread_rwlock_unlock = dlsym(RTLD_NEXT, "pthread_rwlock_unlock"); +#endif + + lockdep_init(); + + __init_state = done; +} diff --git a/tools/lib/lockdep/rbtree.c b/tools/lib/lockdep/rbtree.c new file mode 100644 index 00000000000..f7f43033c8b --- /dev/null +++ b/tools/lib/lockdep/rbtree.c @@ -0,0 +1 @@ +#include "../../../lib/rbtree.c" diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh new file mode 100755 index 00000000000..5334ad9d39b --- /dev/null +++ b/tools/lib/lockdep/run_tests.sh @@ -0,0 +1,27 @@ +#! /bin/bash + +make &> /dev/null + +for i in `ls tests/*.c`; do + testname=$(basename -s .c "$i") + gcc -o tests/$testname -pthread -lpthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null + echo -ne "$testname... " + if [ $(timeout 1 ./tests/$testname | wc -l) -gt 0 ]; then + echo "PASSED!" + else + echo "FAILED!" + fi + rm tests/$testname +done + +for i in `ls tests/*.c`; do + testname=$(basename -s .c "$i") + gcc -o tests/$testname -pthread -lpthread -Iinclude $i &> /dev/null + echo -ne "(PRELOAD) $testname... " + if [ $(timeout 1 ./lockdep ./tests/$testname | wc -l) -gt 0 ]; then + echo "PASSED!" + else + echo "FAILED!" + fi + rm tests/$testname +done diff --git a/tools/lib/lockdep/tests/AA.c b/tools/lib/lockdep/tests/AA.c new file mode 100644 index 00000000000..0f782ff404a --- /dev/null +++ b/tools/lib/lockdep/tests/AA.c @@ -0,0 +1,13 @@ +#include <liblockdep/mutex.h> + +void main(void) +{ + pthread_mutex_t a, b; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + + pthread_mutex_lock(&a); + pthread_mutex_lock(&b); + pthread_mutex_lock(&a); +} diff --git a/tools/lib/lockdep/tests/ABBA.c b/tools/lib/lockdep/tests/ABBA.c new file mode 100644 index 00000000000..07f0e29d548 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBA.c @@ -0,0 +1,13 @@ +#include <liblockdep/mutex.h> +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(b, a); +} diff --git a/tools/lib/lockdep/tests/ABBCCA.c b/tools/lib/lockdep/tests/ABBCCA.c new file mode 100644 index 00000000000..843db09ac66 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCA.c @@ -0,0 +1,15 @@ +#include <liblockdep/mutex.h> +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(b, c); + LOCK_UNLOCK_2(c, a); +} diff --git a/tools/lib/lockdep/tests/ABBCCDDA.c b/tools/lib/lockdep/tests/ABBCCDDA.c new file mode 100644 index 00000000000..33620e268f8 --- /dev/null +++ b/tools/lib/lockdep/tests/ABBCCDDA.c @@ -0,0 +1,17 @@ +#include <liblockdep/mutex.h> +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + pthread_mutex_init(&d, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(b, c); + LOCK_UNLOCK_2(c, d); + LOCK_UNLOCK_2(d, a); +} diff --git a/tools/lib/lockdep/tests/ABCABC.c b/tools/lib/lockdep/tests/ABCABC.c new file mode 100644 index 00000000000..3fee51e3a68 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCABC.c @@ -0,0 +1,15 @@ +#include <liblockdep/mutex.h> +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(c, a); + LOCK_UNLOCK_2(b, c); +} diff --git a/tools/lib/lockdep/tests/ABCDBCDA.c b/tools/lib/lockdep/tests/ABCDBCDA.c new file mode 100644 index 00000000000..427ba562c75 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBCDA.c @@ -0,0 +1,17 @@ +#include <liblockdep/mutex.h> +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + pthread_mutex_init(&d, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(c, d); + LOCK_UNLOCK_2(b, c); + LOCK_UNLOCK_2(d, a); +} diff --git a/tools/lib/lockdep/tests/ABCDBDDA.c b/tools/lib/lockdep/tests/ABCDBDDA.c new file mode 100644 index 00000000000..680c6cf3e91 --- /dev/null +++ b/tools/lib/lockdep/tests/ABCDBDDA.c @@ -0,0 +1,17 @@ +#include <liblockdep/mutex.h> +#include "common.h" + +void main(void) +{ + pthread_mutex_t a, b, c, d; + + pthread_mutex_init(&a, NULL); + pthread_mutex_init(&b, NULL); + pthread_mutex_init(&c, NULL); + pthread_mutex_init(&d, NULL); + + LOCK_UNLOCK_2(a, b); + LOCK_UNLOCK_2(c, d); + LOCK_UNLOCK_2(b, d); + LOCK_UNLOCK_2(d, a); +} diff --git a/tools/lib/lockdep/tests/WW.c b/tools/lib/lockdep/tests/WW.c new file mode 100644 index 00000000000..d44f77d7102 --- /dev/null +++ b/tools/lib/lockdep/tests/WW.c @@ -0,0 +1,13 @@ +#include <liblockdep/rwlock.h> + +void main(void) +{ + pthread_rwlock_t a, b; + + pthread_rwlock_init(&a, NULL); + pthread_rwlock_init(&b, NULL); + + pthread_rwlock_wrlock(&a); + pthread_rwlock_rdlock(&b); + pthread_rwlock_wrlock(&a); +} diff --git a/tools/lib/lockdep/tests/common.h b/tools/lib/lockdep/tests/common.h new file mode 100644 index 00000000000..d89e94d47d8 --- /dev/null +++ b/tools/lib/lockdep/tests/common.h @@ -0,0 +1,12 @@ +#ifndef _LIBLOCKDEP_TEST_COMMON_H +#define _LIBLOCKDEP_TEST_COMMON_H + +#define LOCK_UNLOCK_2(a, b) \ + do { \ + pthread_mutex_lock(&(a)); \ + pthread_mutex_lock(&(b)); \ + pthread_mutex_unlock(&(b)); \ + pthread_mutex_unlock(&(a)); \ + } while(0) + +#endif diff --git a/tools/lib/lockdep/tests/unlock_balance.c b/tools/lib/lockdep/tests/unlock_balance.c new file mode 100644 index 00000000000..0bc62de686f --- /dev/null +++ b/tools/lib/lockdep/tests/unlock_balance.c @@ -0,0 +1,12 @@ +#include <liblockdep/mutex.h> + +void main(void) +{ + pthread_mutex_t a; + + pthread_mutex_init(&a, NULL); + + pthread_mutex_lock(&a); + pthread_mutex_unlock(&a); + pthread_mutex_unlock(&a); +} diff --git a/tools/lib/lockdep/uinclude/asm/hash.h b/tools/lib/lockdep/uinclude/asm/hash.h new file mode 100644 index 00000000000..d82b170bb21 --- /dev/null +++ b/tools/lib/lockdep/uinclude/asm/hash.h @@ -0,0 +1,6 @@ +#ifndef __ASM_GENERIC_HASH_H +#define __ASM_GENERIC_HASH_H + +/* Stub */ + +#endif /* __ASM_GENERIC_HASH_H */ diff --git a/tools/lib/lockdep/uinclude/asm/hweight.h b/tools/lib/lockdep/uinclude/asm/hweight.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/asm/hweight.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/asm/sections.h b/tools/lib/lockdep/uinclude/asm/sections.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/asm/sections.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/bitops.h b/tools/lib/lockdep/uinclude/linux/bitops.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/bitops.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/compiler.h b/tools/lib/lockdep/uinclude/linux/compiler.h new file mode 100644 index 00000000000..7ac838a1f19 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/compiler.h @@ -0,0 +1,7 @@ +#ifndef _LIBLOCKDEP_LINUX_COMPILER_H_ +#define _LIBLOCKDEP_LINUX_COMPILER_H_ + +#define __used __attribute__((__unused__)) +#define unlikely + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/debug_locks.h b/tools/lib/lockdep/uinclude/linux/debug_locks.h new file mode 100644 index 00000000000..f38eb64df79 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/debug_locks.h @@ -0,0 +1,12 @@ +#ifndef _LIBLOCKDEP_DEBUG_LOCKS_H_ +#define _LIBLOCKDEP_DEBUG_LOCKS_H_ + +#include <stddef.h> +#include <linux/compiler.h> + +#define DEBUG_LOCKS_WARN_ON(x) (x) + +extern bool debug_locks; +extern bool debug_locks_silent; + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/delay.h b/tools/lib/lockdep/uinclude/linux/delay.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/delay.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/ftrace.h b/tools/lib/lockdep/uinclude/linux/ftrace.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/ftrace.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/gfp.h b/tools/lib/lockdep/uinclude/linux/gfp.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/gfp.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/hardirq.h b/tools/lib/lockdep/uinclude/linux/hardirq.h new file mode 100644 index 00000000000..c8f3f8f5872 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/hardirq.h @@ -0,0 +1,11 @@ +#ifndef _LIBLOCKDEP_LINUX_HARDIRQ_H_ +#define _LIBLOCKDEP_LINUX_HARDIRQ_H_ + +#define SOFTIRQ_BITS 0UL +#define HARDIRQ_BITS 0UL +#define SOFTIRQ_SHIFT 0UL +#define HARDIRQ_SHIFT 0UL +#define hardirq_count() 0UL +#define softirq_count() 0UL + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/hash.h b/tools/lib/lockdep/uinclude/linux/hash.h new file mode 100644 index 00000000000..0f8479858dc --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/hash.h @@ -0,0 +1 @@ +#include "../../../include/linux/hash.h" diff --git a/tools/lib/lockdep/uinclude/linux/interrupt.h b/tools/lib/lockdep/uinclude/linux/interrupt.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/interrupt.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/irqflags.h b/tools/lib/lockdep/uinclude/linux/irqflags.h new file mode 100644 index 00000000000..6cc296f0fad --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/irqflags.h @@ -0,0 +1,38 @@ +#ifndef _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_ +#define _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_ + +# define trace_hardirq_context(p) 0 +# define trace_softirq_context(p) 0 +# define trace_hardirqs_enabled(p) 0 +# define trace_softirqs_enabled(p) 0 +# define trace_hardirq_enter() do { } while (0) +# define trace_hardirq_exit() do { } while (0) +# define lockdep_softirq_enter() do { } while (0) +# define lockdep_softirq_exit() do { } while (0) +# define INIT_TRACE_IRQFLAGS + +# define stop_critical_timings() do { } while (0) +# define start_critical_timings() do { } while (0) + +#define raw_local_irq_disable() do { } while (0) +#define raw_local_irq_enable() do { } while (0) +#define raw_local_irq_save(flags) ((flags) = 0) +#define raw_local_irq_restore(flags) do { } while (0) +#define raw_local_save_flags(flags) ((flags) = 0) +#define raw_irqs_disabled_flags(flags) do { } while (0) +#define raw_irqs_disabled() 0 +#define raw_safe_halt() + +#define local_irq_enable() do { } while (0) +#define local_irq_disable() do { } while (0) +#define local_irq_save(flags) ((flags) = 0) +#define local_irq_restore(flags) do { } while (0) +#define local_save_flags(flags) ((flags) = 0) +#define irqs_disabled() (1) +#define irqs_disabled_flags(flags) (0) +#define safe_halt() do { } while (0) + +#define trace_lock_release(x, y) +#define trace_lock_acquire(a, b, c, d, e, f, g) + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/kallsyms.h b/tools/lib/lockdep/uinclude/linux/kallsyms.h new file mode 100644 index 00000000000..b0f2dbdf1a1 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/kallsyms.h @@ -0,0 +1,32 @@ +#ifndef _LIBLOCKDEP_LINUX_KALLSYMS_H_ +#define _LIBLOCKDEP_LINUX_KALLSYMS_H_ + +#include <linux/kernel.h> +#include <stdio.h> + +#define KSYM_NAME_LEN 128 + +struct module; + +static inline const char *kallsyms_lookup(unsigned long addr, + unsigned long *symbolsize, + unsigned long *offset, + char **modname, char *namebuf) +{ + return NULL; +} + +#include <execinfo.h> +#include <stdlib.h> +static inline void print_ip_sym(unsigned long ip) +{ + char **name; + + name = backtrace_symbols((void **)&ip, 1); + + printf("%s\n", *name); + + free(name); +} + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/kern_levels.h b/tools/lib/lockdep/uinclude/linux/kern_levels.h new file mode 100644 index 00000000000..3b9bade2869 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/kern_levels.h @@ -0,0 +1,25 @@ +#ifndef __KERN_LEVELS_H__ +#define __KERN_LEVELS_H__ + +#define KERN_SOH "" /* ASCII Start Of Header */ +#define KERN_SOH_ASCII '' + +#define KERN_EMERG KERN_SOH "" /* system is unusable */ +#define KERN_ALERT KERN_SOH "" /* action must be taken immediately */ +#define KERN_CRIT KERN_SOH "" /* critical conditions */ +#define KERN_ERR KERN_SOH "" /* error conditions */ +#define KERN_WARNING KERN_SOH "" /* warning conditions */ +#define KERN_NOTICE KERN_SOH "" /* normal but significant condition */ +#define KERN_INFO KERN_SOH "" /* informational */ +#define KERN_DEBUG KERN_SOH "" /* debug-level messages */ + +#define KERN_DEFAULT KERN_SOH "" /* the default kernel loglevel */ + +/* + * Annotation for a "continued" line of log printout (only done after a + * line that had no enclosing \n). Only to be used by core/arch code + * during early bootup (a continued line is not SMP-safe otherwise). + */ +#define KERN_CONT "" + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/kernel.h b/tools/lib/lockdep/uinclude/linux/kernel.h new file mode 100644 index 00000000000..a11e3c357be --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/kernel.h @@ -0,0 +1,44 @@ +#ifndef _LIBLOCKDEP_LINUX_KERNEL_H_ +#define _LIBLOCKDEP_LINUX_KERNEL_H_ + +#include <linux/export.h> +#include <linux/types.h> +#include <linux/rcu.h> +#include <linux/hardirq.h> +#include <linux/kern_levels.h> + +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof(((type *)0)->member) * __mptr = (ptr); \ + (type *)((char *)__mptr - offsetof(type, member)); }) +#endif + +#define max(x, y) ({ \ + typeof(x) _max1 = (x); \ + typeof(y) _max2 = (y); \ + (void) (&_max1 == &_max2); \ + _max1 > _max2 ? _max1 : _max2; }) + +#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) +#define WARN_ON(x) (x) +#define WARN_ON_ONCE(x) (x) +#define likely(x) (x) +#define WARN(x, y, z) (x) +#define uninitialized_var(x) x +#define __init +#define noinline +#define list_add_tail_rcu list_add_tail + +#ifndef CALLER_ADDR0 +#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) +#endif + +#ifndef _RET_IP_ +#define _RET_IP_ CALLER_ADDR0 +#endif + +#ifndef _THIS_IP_ +#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; }) +#endif + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/kmemcheck.h b/tools/lib/lockdep/uinclude/linux/kmemcheck.h new file mode 100644 index 00000000000..94d598bc6ab --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/kmemcheck.h @@ -0,0 +1,8 @@ +#ifndef _LIBLOCKDEP_LINUX_KMEMCHECK_H_ +#define _LIBLOCKDEP_LINUX_KMEMCHECK_H_ + +static inline void kmemcheck_mark_initialized(void *address, unsigned int n) +{ +} + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/linkage.h b/tools/lib/lockdep/uinclude/linux/linkage.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/linkage.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/list.h b/tools/lib/lockdep/uinclude/linux/list.h new file mode 100644 index 00000000000..6e9ef31ed82 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/list.h @@ -0,0 +1 @@ +#include "../../../include/linux/list.h" diff --git a/tools/lib/lockdep/uinclude/linux/lockdep.h b/tools/lib/lockdep/uinclude/linux/lockdep.h new file mode 100644 index 00000000000..c1552c28507 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/lockdep.h @@ -0,0 +1,58 @@ +#ifndef _LIBLOCKDEP_LOCKDEP_H_ +#define _LIBLOCKDEP_LOCKDEP_H_ + +#include <sys/prctl.h> +#include <sys/syscall.h> +#include <string.h> +#include <limits.h> +#include <linux/utsname.h> + + +#define MAX_LOCK_DEPTH 2000UL + +#define asmlinkage +#define __visible + +#include "../../../include/linux/lockdep.h" + +struct task_struct { + u64 curr_chain_key; + int lockdep_depth; + unsigned int lockdep_recursion; + struct held_lock held_locks[MAX_LOCK_DEPTH]; + gfp_t lockdep_reclaim_gfp; + int pid; + char comm[17]; +}; + +extern struct task_struct *__curr(void); + +#define current (__curr()) + +#define debug_locks_off() 1 +#define task_pid_nr(tsk) ((tsk)->pid) + +#define KSYM_NAME_LEN 128 +#define printk printf + +#define list_del_rcu list_del + +#define atomic_t unsigned long +#define atomic_inc(x) ((*(x))++) + +static struct new_utsname *init_utsname(void) +{ + static struct new_utsname n = (struct new_utsname) { + .release = "liblockdep", + .version = LIBLOCKDEP_VERSION, + }; + + return &n; +} + +#define print_tainted() "" +#define static_obj(x) 1 + +#define debug_show_all_locks() + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/module.h b/tools/lib/lockdep/uinclude/linux/module.h new file mode 100644 index 00000000000..09c7a7be8cc --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/module.h @@ -0,0 +1,6 @@ +#ifndef _LIBLOCKDEP_LINUX_MODULE_H_ +#define _LIBLOCKDEP_LINUX_MODULE_H_ + +#define module_param(name, type, perm) + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/mutex.h b/tools/lib/lockdep/uinclude/linux/mutex.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/mutex.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/poison.h b/tools/lib/lockdep/uinclude/linux/poison.h new file mode 100644 index 00000000000..0c27bdf1423 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/poison.h @@ -0,0 +1 @@ +#include "../../../include/linux/poison.h" diff --git a/tools/lib/lockdep/uinclude/linux/prefetch.h b/tools/lib/lockdep/uinclude/linux/prefetch.h new file mode 100644 index 00000000000..d73fe6f850a --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/prefetch.h @@ -0,0 +1,6 @@ +#ifndef _LIBLOCKDEP_LINUX_PREFETCH_H_ +#define _LIBLOCKDEP_LINUX_PREFETCH_H + +static inline void prefetch(void *a __attribute__((unused))) { } + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/proc_fs.h b/tools/lib/lockdep/uinclude/linux/proc_fs.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/proc_fs.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/rbtree.h b/tools/lib/lockdep/uinclude/linux/rbtree.h new file mode 100644 index 00000000000..965901db486 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/rbtree.h @@ -0,0 +1 @@ +#include "../../../include/linux/rbtree.h" diff --git a/tools/lib/lockdep/uinclude/linux/rbtree_augmented.h b/tools/lib/lockdep/uinclude/linux/rbtree_augmented.h new file mode 100644 index 00000000000..c3759477379 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/rbtree_augmented.h @@ -0,0 +1,2 @@ +#define __always_inline +#include "../../../include/linux/rbtree_augmented.h" diff --git a/tools/lib/lockdep/uinclude/linux/rcu.h b/tools/lib/lockdep/uinclude/linux/rcu.h new file mode 100644 index 00000000000..042ee8e463c --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/rcu.h @@ -0,0 +1,21 @@ +#ifndef _LIBLOCKDEP_RCU_H_ +#define _LIBLOCKDEP_RCU_H_ + +int rcu_scheduler_active; + +static inline int rcu_lockdep_current_cpu_online(void) +{ + return 1; +} + +static inline int rcu_is_cpu_idle(void) +{ + return 1; +} + +static inline bool rcu_is_watching(void) +{ + return false; +} + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/seq_file.h b/tools/lib/lockdep/uinclude/linux/seq_file.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/seq_file.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/lockdep/uinclude/linux/spinlock.h b/tools/lib/lockdep/uinclude/linux/spinlock.h new file mode 100644 index 00000000000..68c1aa2bcba --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/spinlock.h @@ -0,0 +1,25 @@ +#ifndef _LIBLOCKDEP_SPINLOCK_H_ +#define _LIBLOCKDEP_SPINLOCK_H_ + +#include <pthread.h> +#include <stdbool.h> + +#define arch_spinlock_t pthread_mutex_t +#define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER + +static inline void arch_spin_lock(arch_spinlock_t *mutex) +{ + pthread_mutex_lock(mutex); +} + +static inline void arch_spin_unlock(arch_spinlock_t *mutex) +{ + pthread_mutex_unlock(mutex); +} + +static inline bool arch_spin_is_locked(arch_spinlock_t *mutex) +{ + return true; +} + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/stacktrace.h b/tools/lib/lockdep/uinclude/linux/stacktrace.h new file mode 100644 index 00000000000..39aecc6b19d --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/stacktrace.h @@ -0,0 +1,32 @@ +#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_ +#define _LIBLOCKDEP_LINUX_STACKTRACE_H_ + +#include <execinfo.h> + +struct stack_trace { + unsigned int nr_entries, max_entries; + unsigned long *entries; + int skip; +}; + +static inline void print_stack_trace(struct stack_trace *trace, int spaces) +{ + backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1); +} + +#define save_stack_trace(trace) \ + ((trace)->nr_entries = \ + backtrace((void **)(trace)->entries, (trace)->max_entries)) + +static inline int dump_stack(void) +{ + void *array[64]; + size_t size; + + size = backtrace(array, 64); + backtrace_symbols_fd(array, size, 1); + + return 0; +} + +#endif diff --git a/tools/lib/lockdep/uinclude/linux/stringify.h b/tools/lib/lockdep/uinclude/linux/stringify.h new file mode 100644 index 00000000000..05dfcd1ac11 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/stringify.h @@ -0,0 +1,7 @@ +#ifndef _LIBLOCKDEP_LINUX_STRINGIFY_H_ +#define _LIBLOCKDEP_LINUX_STRINGIFY_H_ + +#define __stringify_1(x...) #x +#define __stringify(x...) __stringify_1(x) + +#endif diff --git a/tools/lib/lockdep/uinclude/trace/events/lock.h b/tools/lib/lockdep/uinclude/trace/events/lock.h new file mode 100644 index 00000000000..fab00ff936d --- /dev/null +++ b/tools/lib/lockdep/uinclude/trace/events/lock.h @@ -0,0 +1,3 @@ + +/* empty file */ + diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c new file mode 100644 index 00000000000..18bc271a4bb --- /dev/null +++ b/tools/lib/symbol/kallsyms.c @@ -0,0 +1,58 @@ +#include "symbol/kallsyms.h" +#include <stdio.h> +#include <stdlib.h> + +int kallsyms__parse(const char *filename, void *arg, + int (*process_symbol)(void *arg, const char *name, + char type, u64 start)) +{ + char *line = NULL; + size_t n; + int err = -1; + FILE *file = fopen(filename, "r"); + + if (file == NULL) + goto out_failure; + + err = 0; + + while (!feof(file)) { + u64 start; + int line_len, len; + char symbol_type; + char *symbol_name; + + line_len = getline(&line, &n, file); + if (line_len < 0 || !line) + break; + + line[--line_len] = '\0'; /* \n */ + + len = hex2u64(line, &start); + + len++; + if (len + 2 >= line_len) + continue; + + symbol_type = line[len]; + len += 2; + symbol_name = line + len; + len = line_len - len; + + if (len >= KSYM_NAME_LEN) { + err = -1; + break; + } + + err = process_symbol(arg, symbol_name, symbol_type, start); + if (err) + break; + } + + free(line); + fclose(file); + return err; + +out_failure: + return -1; +} diff --git a/tools/lib/symbol/kallsyms.h b/tools/lib/symbol/kallsyms.h new file mode 100644 index 00000000000..6084f5e18b3 --- /dev/null +++ b/tools/lib/symbol/kallsyms.h @@ -0,0 +1,24 @@ +#ifndef __TOOLS_KALLSYMS_H_ +#define __TOOLS_KALLSYMS_H_ 1 + +#include <elf.h> +#include <linux/ctype.h> +#include <linux/types.h> + +#ifndef KSYM_NAME_LEN +#define KSYM_NAME_LEN 256 +#endif + +static inline u8 kallsyms2elf_type(char type) +{ + if (type == 'W') + return STB_WEAK; + + return isupper(type) ? STB_GLOBAL : STB_LOCAL; +} + +int kallsyms__parse(const char *filename, void *arg, + int (*process_symbol)(void *arg, const char *name, + char type, u64 start)); + +#endif /* __TOOLS_KALLSYMS_H_ */ diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index fc150209859..005c9cc0693 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -43,6 +43,32 @@ man_dir_SQ = '$(subst ','\'',$(man_dir))' export man_dir man_dir_SQ INSTALL export DESTDIR DESTDIR_SQ +set_plugin_dir := 1 + +# Set plugin_dir to preffered global plugin location +# If we install under $HOME directory we go under +# $(HOME)/.traceevent/plugins +# +# We dont set PLUGIN_DIR in case we install under $HOME +# directory, because by default the code looks under: +# $(HOME)/.traceevent/plugins by default. +# +ifeq ($(plugin_dir),) +ifeq ($(prefix),$(HOME)) +override plugin_dir = $(HOME)/.traceevent/plugins +set_plugin_dir := 0 +else +override plugin_dir = $(prefix)/lib/traceevent/plugins +endif +endif + +ifeq ($(set_plugin_dir),1) +PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)" +PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))' +endif + +include $(if $(BUILD_SRC),$(BUILD_SRC)/)../../scripts/Makefile.include + # copy a bit from Linux kbuild ifeq ("$(origin V)", "command line") @@ -57,18 +83,13 @@ ifeq ("$(origin O)", "command line") endif ifeq ($(BUILD_SRC),) -ifneq ($(BUILD_OUTPUT),) +ifneq ($(OUTPUT),) define build_output - $(if $(VERBOSE:1=),@)+$(MAKE) -C $(BUILD_OUTPUT) \ - BUILD_SRC=$(CURDIR) -f $(CURDIR)/Makefile $1 + $(if $(VERBOSE:1=),@)+$(MAKE) -C $(OUTPUT) \ + BUILD_SRC=$(CURDIR)/ -f $(CURDIR)/Makefile $1 endef -saved-output := $(BUILD_OUTPUT) -BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd) -$(if $(BUILD_OUTPUT),, \ - $(error output directory "$(saved-output)" does not exist)) - all: sub-make $(MAKECMDGOALS): sub-make @@ -80,7 +101,7 @@ sub-make: force # Leave processing to above invocation of make skip-makefile := 1 -endif # BUILD_OUTPUT +endif # OUTPUT endif # BUILD_SRC # We process the rest of the Makefile if this is the final invocation of make @@ -96,6 +117,7 @@ export prefix bindir src obj # Shell quotes bindir_SQ = $(subst ','\'',$(bindir)) bindir_relative_SQ = $(subst ','\'',$(bindir_relative)) +plugin_dir_SQ = $(subst ','\'',$(plugin_dir)) LIB_FILE = libtraceevent.a libtraceevent.so @@ -114,7 +136,7 @@ export Q VERBOSE EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION) -INCLUDES = -I. $(CONFIG_INCLUDES) +INCLUDES = -I. -I $(srctree)/../../include $(CONFIG_INCLUDES) # Set compile option CFLAGS if not set elsewhere CFLAGS ?= -g -Wall @@ -125,41 +147,14 @@ override CFLAGS += $(udis86-flags) -D_GNU_SOURCE ifeq ($(VERBOSE),1) Q = - print_compile = - print_app_build = - print_fpic_compile = - print_shared_lib_compile = - print_plugin_obj_compile = - print_plugin_build = - print_install = else Q = @ - print_compile = echo ' CC '$(OBJ); - print_app_build = echo ' BUILD '$(OBJ); - print_fpic_compile = echo ' CC FPIC '$(OBJ); - print_shared_lib_compile = echo ' BUILD SHARED LIB '$(OBJ); - print_plugin_obj_compile = echo ' BUILD PLUGIN OBJ '$(OBJ); - print_plugin_build = echo ' BUILD PLUGIN '$(OBJ); - print_static_lib_build = echo ' BUILD STATIC LIB '$(OBJ); - print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2'; endif -do_fpic_compile = \ - ($(print_fpic_compile) \ - $(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@) - -do_app_build = \ - ($(print_app_build) \ - $(CC) $^ -rdynamic -o $@ $(CONFIG_LIBS) $(LIBS)) - do_compile_shared_library = \ ($(print_shared_lib_compile) \ $(CC) --shared $^ -o $@) -do_compile_plugin_obj = \ - ($(print_plugin_obj_compile) \ - $(CC) -c $(CFLAGS) -fPIC -o $@ $<) - do_plugin_build = \ ($(print_plugin_build) \ $(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<) @@ -169,23 +164,37 @@ do_build_static_lib = \ $(RM) $@; $(AR) rcs $@ $^) -define do_compile - $(print_compile) \ - $(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@; -endef +do_compile = $(QUIET_CC)$(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@; $(obj)/%.o: $(src)/%.c - $(Q)$(call do_compile) + $(call do_compile) %.o: $(src)/%.c - $(Q)$(call do_compile) + $(call do_compile) -PEVENT_LIB_OBJS = event-parse.o trace-seq.o parse-filter.o parse-utils.o +PEVENT_LIB_OBJS = event-parse.o +PEVENT_LIB_OBJS += event-plugin.o +PEVENT_LIB_OBJS += trace-seq.o +PEVENT_LIB_OBJS += parse-filter.o +PEVENT_LIB_OBJS += parse-utils.o PEVENT_LIB_OBJS += kbuffer-parse.o -ALL_OBJS = $(PEVENT_LIB_OBJS) +PLUGIN_OBJS = plugin_jbd2.o +PLUGIN_OBJS += plugin_hrtimer.o +PLUGIN_OBJS += plugin_kmem.o +PLUGIN_OBJS += plugin_kvm.o +PLUGIN_OBJS += plugin_mac80211.o +PLUGIN_OBJS += plugin_sched_switch.o +PLUGIN_OBJS += plugin_function.o +PLUGIN_OBJS += plugin_xen.o +PLUGIN_OBJS += plugin_scsi.o +PLUGIN_OBJS += plugin_cfg80211.o + +PLUGINS := $(PLUGIN_OBJS:.o=.so) + +ALL_OBJS = $(PEVENT_LIB_OBJS) $(PLUGIN_OBJS) -CMD_TARGETS = $(LIB_FILE) +CMD_TARGETS = $(LIB_FILE) $(PLUGINS) TARGETS = $(CMD_TARGETS) @@ -195,32 +204,40 @@ all: all_cmd all_cmd: $(CMD_TARGETS) libtraceevent.so: $(PEVENT_LIB_OBJS) - $(Q)$(do_compile_shared_library) + $(QUIET_LINK)$(CC) --shared $^ -o $@ libtraceevent.a: $(PEVENT_LIB_OBJS) - $(Q)$(do_build_static_lib) + $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ + +plugins: $(PLUGINS) $(PEVENT_LIB_OBJS): %.o: $(src)/%.c TRACEEVENT-CFLAGS - $(Q)$(do_fpic_compile) + $(QUIET_CC_FPIC)$(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@ + +$(PLUGIN_OBJS): %.o : $(src)/%.c + $(QUIET_CC_FPIC)$(CC) -c $(CFLAGS) -fPIC -o $@ $< + +$(PLUGINS): %.so: %.o + $(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $< define make_version.h - (echo '/* This file is automatically generated. Do not modify. */'; \ - echo \#define VERSION_CODE $(shell \ - expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ - echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ - echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ - echo '#define FILE_VERSION '$(FILE_VERSION); \ - ) > $1 + (echo '/* This file is automatically generated. Do not modify. */'; \ + echo \#define VERSION_CODE $(shell \ + expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ + echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ + echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ + echo '#define FILE_VERSION '$(FILE_VERSION); \ + ) > $1 endef define update_version.h - ($(call make_version.h, $@.tmp); \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - echo ' UPDATE $@'; \ - mv -f $@.tmp $@; \ - fi); + ($(call make_version.h, $@.tmp); \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + echo ' UPDATE $@'; \ + mv -f $@.tmp $@; \ + fi); endef ep_version.h: force @@ -229,13 +246,13 @@ ep_version.h: force VERSION_FILES = ep_version.h define update_dir - (echo $1 > $@.tmp; \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - echo ' UPDATE $@'; \ - mv -f $@.tmp $@; \ - fi); + (echo $1 > $@.tmp; \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + echo ' UPDATE $@'; \ + mv -f $@.tmp $@; \ + fi); endef ## make deps @@ -245,10 +262,10 @@ all_deps := $(all_objs:%.o=.%.d) # let .d file also depends on the source and header files define check_deps - @set -e; $(RM) $@; \ - $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ - sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ - $(RM) $@.$$$$ + @set -e; $(RM) $@; \ + $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ + sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ + $(RM) $@.$$$$ endef $(all_deps): .%.d: $(src)/%.c @@ -283,27 +300,41 @@ TAGS: force --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' define do_install - $(print_install) \ if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ fi; \ $(INSTALL) $1 '$(DESTDIR_SQ)$2' endef -install_lib: all_cmd - $(Q)$(call do_install,$(LIB_FILE),$(bindir_SQ)) +define do_install_plugins + for plugin in $1; do \ + $(call do_install,$$plugin,$(plugin_dir_SQ)); \ + done +endef + +install_lib: all_cmd install_plugins + $(call QUIET_INSTALL, $(LIB_FILE)) \ + $(call do_install,$(LIB_FILE),$(bindir_SQ)) + +install_plugins: $(PLUGINS) + $(call QUIET_INSTALL, trace_plugins) \ + $(call do_install_plugins, $(PLUGINS)) install: install_lib clean: - $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d - $(RM) TRACEEVENT-CFLAGS tags TAGS + $(call QUIET_CLEAN, libtraceevent) \ + $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \ + $(RM) TRACEEVENT-CFLAGS tags TAGS endif # skip-makefile -PHONY += force +PHONY += force plugins force: +plugins: + @echo > /dev/null + # Declare the contents of the .PHONY variable as phony. We keep that # information in a variable so we can use it in if_changed and friends. .PHONY: $(PHONY) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 217c82ee366..93825a17dcc 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -50,6 +50,18 @@ static int show_warning = 1; warning(fmt, ##__VA_ARGS__); \ } while (0) +#define do_warning_event(event, fmt, ...) \ + do { \ + if (!show_warning) \ + continue; \ + \ + if (event) \ + warning("[%s:%s] " fmt, event->system, \ + event->name, ##__VA_ARGS__); \ + else \ + warning(fmt, ##__VA_ARGS__); \ + } while (0) + static void init_input_buf(const char *buf, unsigned long long size) { input_buf = buf; @@ -753,6 +765,9 @@ static void free_arg(struct print_arg *arg) case PRINT_BSTRING: free(arg->string.string); break; + case PRINT_BITMASK: + free(arg->bitmask.bitmask); + break; case PRINT_DYNAMIC_ARRAY: free(arg->dynarray.index); break; @@ -1355,7 +1370,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f } if (!field->type) { - do_warning("%s: no type found", __func__); + do_warning_event(event, "%s: no type found", __func__); goto fail; } field->name = last_token; @@ -1402,7 +1417,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f free_token(token); type = read_token(&token); if (type == EVENT_NONE) { - do_warning("failed to find token"); + do_warning_event(event, "failed to find token"); goto fail; } } @@ -1636,7 +1651,7 @@ process_cond(struct event_format *event, struct print_arg *top, char **tok) right = alloc_arg(); if (!arg || !left || !right) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); /* arg will be freed at out_free */ free_arg(left); free_arg(right); @@ -1686,7 +1701,7 @@ process_array(struct event_format *event, struct print_arg *top, char **tok) arg = alloc_arg(); if (!arg) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); /* '*tok' is set to top->op.op. No need to free. */ *tok = NULL; return EVENT_ERROR; @@ -1792,7 +1807,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) if (arg->type == PRINT_OP && !arg->op.left) { /* handle single op */ if (token[1]) { - do_warning("bad op token %s", token); + do_warning_event(event, "bad op token %s", token); goto out_free; } switch (token[0]) { @@ -1802,7 +1817,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) case '-': break; default: - do_warning("bad op token %s", token); + do_warning_event(event, "bad op token %s", token); goto out_free; } @@ -1888,7 +1903,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) char *new_atom; if (left->type != PRINT_ATOM) { - do_warning("bad pointer type"); + do_warning_event(event, "bad pointer type"); goto out_free; } new_atom = realloc(left->atom.atom, @@ -1930,7 +1945,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) type = process_array(event, arg, tok); } else { - do_warning("unknown op '%s'", token); + do_warning_event(event, "unknown op '%s'", token); event->flags |= EVENT_FL_FAILED; /* the arg is now the left side */ goto out_free; @@ -1951,7 +1966,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) return type; out_warn_free: - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); out_free: free_token(token); *tok = NULL; @@ -2256,6 +2271,7 @@ static int arg_num_eval(struct print_arg *arg, long long *val) case PRINT_FIELD ... PRINT_SYMBOL: case PRINT_STRING: case PRINT_BSTRING: + case PRINT_BITMASK: default: do_warning("invalid eval type %d", arg->type); ret = 0; @@ -2284,6 +2300,7 @@ static char *arg_eval (struct print_arg *arg) case PRINT_FIELD ... PRINT_SYMBOL: case PRINT_STRING: case PRINT_BSTRING: + case PRINT_BITMASK: default: do_warning("invalid eval type %d", arg->type); break; @@ -2385,7 +2402,7 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok) field = alloc_arg(); if (!field) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); goto out_free; } @@ -2438,7 +2455,7 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok) field = alloc_arg(); if (!field) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); goto out_free; } @@ -2477,7 +2494,7 @@ process_hex(struct event_format *event, struct print_arg *arg, char **tok) field = alloc_arg(); if (!field) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); goto out_free; } @@ -2492,7 +2509,7 @@ process_hex(struct event_format *event, struct print_arg *arg, char **tok) field = alloc_arg(); if (!field) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); *tok = NULL; return EVENT_ERROR; } @@ -2555,7 +2572,7 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char ** free_token(token); arg = alloc_arg(); if (!arg) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", __func__); *tok = NULL; return EVENT_ERROR; } @@ -2614,13 +2631,14 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok) /* prevous must be an atom */ if (arg->type != PRINT_ATOM) { - do_warning("previous needed to be PRINT_ATOM"); + do_warning_event(event, "previous needed to be PRINT_ATOM"); goto out_free; } item_arg = alloc_arg(); if (!item_arg) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", + __func__); goto out_free; } @@ -2670,6 +2688,35 @@ process_str(struct event_format *event __maybe_unused, struct print_arg *arg, return EVENT_ERROR; } +static enum event_type +process_bitmask(struct event_format *event __maybe_unused, struct print_arg *arg, + char **tok) +{ + enum event_type type; + char *token; + + if (read_expect_type(EVENT_ITEM, &token) < 0) + goto out_free; + + arg->type = PRINT_BITMASK; + arg->bitmask.bitmask = token; + arg->bitmask.offset = -1; + + if (read_expected(EVENT_DELIM, ")") < 0) + goto out_err; + + type = read_token(&token); + *tok = token; + + return type; + + out_free: + free_token(token); + out_err: + *tok = NULL; + return EVENT_ERROR; +} + static struct pevent_function_handler * find_func_handler(struct pevent *pevent, char *func_name) { @@ -2710,7 +2757,6 @@ process_func_handler(struct event_format *event, struct pevent_function_handler struct print_arg *farg; enum event_type type; char *token; - const char *test; int i; arg->type = PRINT_FUNC; @@ -2722,20 +2768,27 @@ process_func_handler(struct event_format *event, struct pevent_function_handler for (i = 0; i < func->nr_args; i++) { farg = alloc_arg(); if (!farg) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", + __func__); return EVENT_ERROR; } type = process_arg(event, farg, &token); - if (i < (func->nr_args - 1)) - test = ","; - else - test = ")"; - - if (test_type_token(type, token, EVENT_DELIM, test)) { - free_arg(farg); - free_token(token); - return EVENT_ERROR; + if (i < (func->nr_args - 1)) { + if (type != EVENT_DELIM || strcmp(token, ",") != 0) { + do_warning_event(event, + "Error: function '%s()' expects %d arguments but event %s only uses %d", + func->name, func->nr_args, + event->name, i + 1); + goto err; + } + } else { + if (type != EVENT_DELIM || strcmp(token, ")") != 0) { + do_warning_event(event, + "Error: function '%s()' only expects %d arguments but event %s has more", + func->name, func->nr_args, event->name); + goto err; + } } *next_arg = farg; @@ -2747,6 +2800,11 @@ process_func_handler(struct event_format *event, struct pevent_function_handler *tok = token; return type; + +err: + free_arg(farg); + free_token(token); + return EVENT_ERROR; } static enum event_type @@ -2773,6 +2831,10 @@ process_function(struct event_format *event, struct print_arg *arg, free_token(token); return process_str(event, arg, tok); } + if (strcmp(token, "__get_bitmask") == 0) { + free_token(token); + return process_bitmask(event, arg, tok); + } if (strcmp(token, "__get_dynamic_array") == 0) { free_token(token); return process_dynamic_array(event, arg, tok); @@ -2784,7 +2846,7 @@ process_function(struct event_format *event, struct print_arg *arg, return process_func_handler(event, func, arg, tok); } - do_warning("function %s not defined", token); + do_warning_event(event, "function %s not defined", token); free_token(token); return EVENT_ERROR; } @@ -2870,7 +2932,7 @@ process_arg_token(struct event_format *event, struct print_arg *arg, case EVENT_ERROR ... EVENT_NEWLINE: default: - do_warning("unexpected type %d", type); + do_warning_event(event, "unexpected type %d", type); return EVENT_ERROR; } *tok = token; @@ -2893,7 +2955,8 @@ static int event_read_print_args(struct event_format *event, struct print_arg ** arg = alloc_arg(); if (!arg) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", + __func__); return -1; } @@ -3299,6 +3362,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg return eval_type(val, arg, 0); case PRINT_STRING: case PRINT_BSTRING: + case PRINT_BITMASK: return 0; case PRINT_FUNC: { struct trace_seq s; @@ -3473,11 +3537,12 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg return val; out_warning_op: - do_warning("%s: unknown op '%s'", __func__, arg->op.op); + do_warning_event(event, "%s: unknown op '%s'", __func__, arg->op.op); return 0; out_warning_field: - do_warning("%s: field %s not found", __func__, arg->field.name); + do_warning_event(event, "%s: field %s not found", + __func__, arg->field.name); return 0; } @@ -3530,6 +3595,60 @@ static void print_str_to_seq(struct trace_seq *s, const char *format, trace_seq_printf(s, format, str); } +static void print_bitmask_to_seq(struct pevent *pevent, + struct trace_seq *s, const char *format, + int len_arg, const void *data, int size) +{ + int nr_bits = size * 8; + int str_size = (nr_bits + 3) / 4; + int len = 0; + char buf[3]; + char *str; + int index; + int i; + + /* + * The kernel likes to put in commas every 32 bits, we + * can do the same. + */ + str_size += (nr_bits - 1) / 32; + + str = malloc(str_size + 1); + if (!str) { + do_warning("%s: not enough memory!", __func__); + return; + } + str[str_size] = 0; + + /* Start out with -2 for the two chars per byte */ + for (i = str_size - 2; i >= 0; i -= 2) { + /* + * data points to a bit mask of size bytes. + * In the kernel, this is an array of long words, thus + * endianess is very important. + */ + if (pevent->file_bigendian) + index = size - (len + 1); + else + index = len; + + snprintf(buf, 3, "%02x", *((unsigned char *)data + index)); + memcpy(str + i, buf, 2); + len++; + if (!(len & 3) && i > 0) { + i--; + str[i] = ','; + } + } + + if (len_arg >= 0) + trace_seq_printf(s, format, len_arg, str); + else + trace_seq_printf(s, format, str); + + free(str); +} + static void print_str_arg(struct trace_seq *s, void *data, int size, struct event_format *event, const char *format, int len_arg, struct print_arg *arg) @@ -3583,7 +3702,8 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, } str = malloc(len + 1); if (!str) { - do_warning("%s: not enough memory!", __func__); + do_warning_event(event, "%s: not enough memory!", + __func__); return; } memcpy(str, data + field->offset, len); @@ -3664,6 +3784,23 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, case PRINT_BSTRING: print_str_to_seq(s, format, len_arg, arg->string.string); break; + case PRINT_BITMASK: { + int bitmask_offset; + int bitmask_size; + + if (arg->bitmask.offset == -1) { + struct format_field *f; + + f = pevent_find_any_field(event, arg->bitmask.bitmask); + arg->bitmask.offset = f->offset; + } + bitmask_offset = data2host4(pevent, data + arg->bitmask.offset); + bitmask_size = bitmask_offset >> 16; + bitmask_offset &= 0xffff; + print_bitmask_to_seq(pevent, s, format, len_arg, + data + bitmask_offset, bitmask_size); + break; + } case PRINT_OP: /* * The only op for string should be ? : @@ -3689,7 +3826,8 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, return; out_warning_field: - do_warning("%s: field %s not found", __func__, arg->field.name); + do_warning_event(event, "%s: field %s not found", + __func__, arg->field.name); } static unsigned long long @@ -3734,14 +3872,16 @@ process_defined_func(struct trace_seq *s, void *data, int size, trace_seq_terminate(&str); string = malloc(sizeof(*string)); if (!string) { - do_warning("%s(%d): malloc str", __func__, __LINE__); + do_warning_event(event, "%s(%d): malloc str", + __func__, __LINE__); goto out_free; } string->next = strings; string->str = strdup(str.buffer); if (!string->str) { free(string); - do_warning("%s(%d): malloc str", __func__, __LINE__); + do_warning_event(event, "%s(%d): malloc str", + __func__, __LINE__); goto out_free; } args[i] = (uintptr_t)string->str; @@ -3753,7 +3893,7 @@ process_defined_func(struct trace_seq *s, void *data, int size, * Something went totally wrong, this is not * an input error, something in this code broke. */ - do_warning("Unexpected end of arguments\n"); + do_warning_event(event, "Unexpected end of arguments\n"); goto out_free; } farg = farg->next; @@ -3803,12 +3943,12 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc if (!field) { field = pevent_find_field(event, "buf"); if (!field) { - do_warning("can't find buffer field for binary printk"); + do_warning_event(event, "can't find buffer field for binary printk"); return NULL; } ip_field = pevent_find_field(event, "ip"); if (!ip_field) { - do_warning("can't find ip field for binary printk"); + do_warning_event(event, "can't find ip field for binary printk"); return NULL; } pevent->bprint_buf_field = field; @@ -3822,7 +3962,8 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc */ args = alloc_arg(); if (!args) { - do_warning("%s(%d): not enough memory!", __func__, __LINE__); + do_warning_event(event, "%s(%d): not enough memory!", + __func__, __LINE__); return NULL; } arg = args; @@ -3888,7 +4029,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc bptr += vsize; arg = alloc_arg(); if (!arg) { - do_warning("%s(%d): not enough memory!", + do_warning_event(event, "%s(%d): not enough memory!", __func__, __LINE__); goto out_free; } @@ -3911,7 +4052,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc case 's': arg = alloc_arg(); if (!arg) { - do_warning("%s(%d): not enough memory!", + do_warning_event(event, "%s(%d): not enough memory!", __func__, __LINE__); goto out_free; } @@ -3951,7 +4092,7 @@ get_bprint_format(void *data, int size __maybe_unused, if (!field) { field = pevent_find_field(event, "fmt"); if (!field) { - do_warning("can't find format field for binary printk"); + do_warning_event(event, "can't find format field for binary printk"); return NULL; } pevent->bprint_fmt_field = field; @@ -3995,8 +4136,8 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size, arg->field.field = pevent_find_any_field(event, arg->field.name); if (!arg->field.field) { - do_warning("%s: field %s not found", - __func__, arg->field.name); + do_warning_event(event, "%s: field %s not found", + __func__, arg->field.name); return; } } @@ -4099,6 +4240,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event unsigned long long val; struct func_map *func; const char *saveptr; + struct trace_seq p; char *bprint_fmt = NULL; char format[32]; int show_func; @@ -4167,7 +4309,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event case '*': /* The argument is the length. */ if (!arg) { - do_warning("no argument match"); + do_warning_event(event, "no argument match"); event->flags |= EVENT_FL_FAILED; goto out_failed; } @@ -4204,7 +4346,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event case 'X': case 'u': if (!arg) { - do_warning("no argument match"); + do_warning_event(event, "no argument match"); event->flags |= EVENT_FL_FAILED; goto out_failed; } @@ -4214,7 +4356,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event /* should never happen */ if (len > 31) { - do_warning("bad format!"); + do_warning_event(event, "bad format!"); event->flags |= EVENT_FL_FAILED; len = 31; } @@ -4281,13 +4423,13 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event trace_seq_printf(s, format, (long long)val); break; default: - do_warning("bad count (%d)", ls); + do_warning_event(event, "bad count (%d)", ls); event->flags |= EVENT_FL_FAILED; } break; case 's': if (!arg) { - do_warning("no matching argument"); + do_warning_event(event, "no matching argument"); event->flags |= EVENT_FL_FAILED; goto out_failed; } @@ -4297,7 +4439,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event /* should never happen */ if (len > 31) { - do_warning("bad format!"); + do_warning_event(event, "bad format!"); event->flags |= EVENT_FL_FAILED; len = 31; } @@ -4306,8 +4448,13 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event format[len] = 0; if (!len_as_arg) len_arg = -1; - print_str_arg(s, data, size, event, + /* Use helper trace_seq */ + trace_seq_init(&p); + print_str_arg(&p, data, size, event, format, len_arg, arg); + trace_seq_terminate(&p); + trace_seq_puts(s, p.buffer); + trace_seq_destroy(&p); arg = arg->next; break; default: @@ -4785,6 +4932,9 @@ static void print_args(struct print_arg *args) case PRINT_BSTRING: printf("__get_str(%s)", args->string.string); break; + case PRINT_BITMASK: + printf("__get_bitmask(%s)", args->bitmask.bitmask); + break; case PRINT_TYPE: printf("(%s)", args->typecast.type); print_args(args->typecast.item); @@ -5116,8 +5266,38 @@ enum pevent_errno __pevent_parse_format(struct event_format **eventp, return ret; } +static enum pevent_errno +__pevent_parse_event(struct pevent *pevent, + struct event_format **eventp, + const char *buf, unsigned long size, + const char *sys) +{ + int ret = __pevent_parse_format(eventp, pevent, buf, size, sys); + struct event_format *event = *eventp; + + if (event == NULL) + return ret; + + if (pevent && add_event(pevent, event)) { + ret = PEVENT_ERRNO__MEM_ALLOC_FAILED; + goto event_add_failed; + } + +#define PRINT_ARGS 0 + if (PRINT_ARGS && event->print_fmt.args) + print_args(event->print_fmt.args); + + return 0; + +event_add_failed: + pevent_free_format(event); + return ret; +} + /** * pevent_parse_format - parse the event format + * @pevent: the handle to the pevent + * @eventp: returned format * @buf: the buffer storing the event format string * @size: the size of @buf * @sys: the system the event belongs to @@ -5129,10 +5309,12 @@ enum pevent_errno __pevent_parse_format(struct event_format **eventp, * * /sys/kernel/debug/tracing/events/.../.../format */ -enum pevent_errno pevent_parse_format(struct event_format **eventp, const char *buf, +enum pevent_errno pevent_parse_format(struct pevent *pevent, + struct event_format **eventp, + const char *buf, unsigned long size, const char *sys) { - return __pevent_parse_format(eventp, NULL, buf, size, sys); + return __pevent_parse_event(pevent, eventp, buf, size, sys); } /** @@ -5153,25 +5335,7 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf, unsigned long size, const char *sys) { struct event_format *event = NULL; - int ret = __pevent_parse_format(&event, pevent, buf, size, sys); - - if (event == NULL) - return ret; - - if (add_event(pevent, event)) { - ret = PEVENT_ERRNO__MEM_ALLOC_FAILED; - goto event_add_failed; - } - -#define PRINT_ARGS 0 - if (PRINT_ARGS && event->print_fmt.args) - print_args(event->print_fmt.args); - - return 0; - -event_add_failed: - pevent_free_format(event); - return ret; + return __pevent_parse_event(pevent, &event, buf, size, sys); } #undef _PE @@ -5203,22 +5367,7 @@ int pevent_strerror(struct pevent *pevent __maybe_unused, idx = errnum - __PEVENT_ERRNO__START - 1; msg = pevent_error_str[idx]; - - switch (errnum) { - case PEVENT_ERRNO__MEM_ALLOC_FAILED: - case PEVENT_ERRNO__PARSE_EVENT_FAILED: - case PEVENT_ERRNO__READ_ID_FAILED: - case PEVENT_ERRNO__READ_FORMAT_FAILED: - case PEVENT_ERRNO__READ_PRINT_FAILED: - case PEVENT_ERRNO__OLD_FTRACE_ARG_FAILED: - case PEVENT_ERRNO__INVALID_ARG_TYPE: - snprintf(buf, buflen, "%s", msg); - break; - - default: - /* cannot reach here */ - break; - } + snprintf(buf, buflen, "%s", msg); return 0; } @@ -5549,6 +5698,52 @@ int pevent_register_print_function(struct pevent *pevent, } /** + * pevent_unregister_print_function - unregister a helper function + * @pevent: the handle to the pevent + * @func: the function to process the helper function + * @name: the name of the helper function + * + * This function removes existing print handler for function @name. + * + * Returns 0 if the handler was removed successully, -1 otherwise. + */ +int pevent_unregister_print_function(struct pevent *pevent, + pevent_func_handler func, char *name) +{ + struct pevent_function_handler *func_handle; + + func_handle = find_func_handler(pevent, name); + if (func_handle && func_handle->func == func) { + remove_func_handler(pevent, name); + return 0; + } + return -1; +} + +static struct event_format *pevent_search_event(struct pevent *pevent, int id, + const char *sys_name, + const char *event_name) +{ + struct event_format *event; + + if (id >= 0) { + /* search by id */ + event = pevent_find_event(pevent, id); + if (!event) + return NULL; + if (event_name && (strcmp(event_name, event->name) != 0)) + return NULL; + if (sys_name && (strcmp(sys_name, event->system) != 0)) + return NULL; + } else { + event = pevent_find_event_by_name(pevent, sys_name, event_name); + if (!event) + return NULL; + } + return event; +} + +/** * pevent_register_event_handler - register a way to parse an event * @pevent: the handle to the pevent * @id: the id of the event to register @@ -5572,20 +5767,9 @@ int pevent_register_event_handler(struct pevent *pevent, int id, struct event_format *event; struct event_handler *handle; - if (id >= 0) { - /* search by id */ - event = pevent_find_event(pevent, id); - if (!event) - goto not_found; - if (event_name && (strcmp(event_name, event->name) != 0)) - goto not_found; - if (sys_name && (strcmp(sys_name, event->system) != 0)) - goto not_found; - } else { - event = pevent_find_event_by_name(pevent, sys_name, event_name); - if (!event) - goto not_found; - } + event = pevent_search_event(pevent, id, sys_name, event_name); + if (event == NULL) + goto not_found; pr_stat("overriding event (%d) %s:%s with new print handler", event->id, event->system, event->name); @@ -5625,6 +5809,79 @@ int pevent_register_event_handler(struct pevent *pevent, int id, return -1; } +static int handle_matches(struct event_handler *handler, int id, + const char *sys_name, const char *event_name, + pevent_event_handler_func func, void *context) +{ + if (id >= 0 && id != handler->id) + return 0; + + if (event_name && (strcmp(event_name, handler->event_name) != 0)) + return 0; + + if (sys_name && (strcmp(sys_name, handler->sys_name) != 0)) + return 0; + + if (func != handler->func || context != handler->context) + return 0; + + return 1; +} + +/** + * pevent_unregister_event_handler - unregister an existing event handler + * @pevent: the handle to the pevent + * @id: the id of the event to unregister + * @sys_name: the system name the handler belongs to + * @event_name: the name of the event handler + * @func: the function to call to parse the event information + * @context: the data to be passed to @func + * + * This function removes existing event handler (parser). + * + * If @id is >= 0, then it is used to find the event. + * else @sys_name and @event_name are used. + * + * Returns 0 if handler was removed successfully, -1 if event was not found. + */ +int pevent_unregister_event_handler(struct pevent *pevent, int id, + const char *sys_name, const char *event_name, + pevent_event_handler_func func, void *context) +{ + struct event_format *event; + struct event_handler *handle; + struct event_handler **next; + + event = pevent_search_event(pevent, id, sys_name, event_name); + if (event == NULL) + goto not_found; + + if (event->handler == func && event->context == context) { + pr_stat("removing override handler for event (%d) %s:%s. Going back to default handler.", + event->id, event->system, event->name); + + event->handler = NULL; + event->context = NULL; + return 0; + } + +not_found: + for (next = &pevent->handlers; *next; next = &(*next)->next) { + handle = *next; + if (handle_matches(handle, id, sys_name, event_name, + func, context)) + break; + } + + if (!(*next)) + return -1; + + *next = handle->next; + free_handler(handle); + + return 0; +} + /** * pevent_alloc - create a pevent handle */ diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index 8d73d2594f6..7a3873ff9a4 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -23,6 +23,7 @@ #include <stdbool.h> #include <stdarg.h> #include <regex.h> +#include <string.h> #ifndef __maybe_unused #define __maybe_unused __attribute__((unused)) @@ -57,6 +58,12 @@ struct pevent_record { #endif }; +enum trace_seq_fail { + TRACE_SEQ__GOOD, + TRACE_SEQ__BUFFER_POISONED, + TRACE_SEQ__MEM_ALLOC_FAILED, +}; + /* * Trace sequences are used to allow a function to call several other functions * to create a string of data to use (up to a max of PAGE_SIZE). @@ -67,6 +74,7 @@ struct trace_seq { unsigned int buffer_size; unsigned int len; unsigned int readpos; + enum trace_seq_fail state; }; void trace_seq_init(struct trace_seq *s); @@ -97,10 +105,10 @@ typedef int (*pevent_event_handler_func)(struct trace_seq *s, void *context); typedef int (*pevent_plugin_load_func)(struct pevent *pevent); -typedef int (*pevent_plugin_unload_func)(void); +typedef int (*pevent_plugin_unload_func)(struct pevent *pevent); -struct plugin_option { - struct plugin_option *next; +struct pevent_plugin_option { + struct pevent_plugin_option *next; void *handle; char *file; char *name; @@ -122,12 +130,12 @@ struct plugin_option { * PEVENT_PLUGIN_UNLOADER: (optional) * The function called just before unloading * - * int PEVENT_PLUGIN_UNLOADER(void) + * int PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) * * PEVENT_PLUGIN_OPTIONS: (optional) * Plugin options that can be set before loading * - * struct plugin_option PEVENT_PLUGIN_OPTIONS[] = { + * struct pevent_plugin_option PEVENT_PLUGIN_OPTIONS[] = { * { * .name = "option-name", * .plugin_alias = "overide-file-name", (optional) @@ -200,6 +208,11 @@ struct print_arg_string { int offset; }; +struct print_arg_bitmask { + char *bitmask; + int offset; +}; + struct print_arg_field { char *name; struct format_field *field; @@ -266,6 +279,7 @@ enum print_arg_type { PRINT_DYNAMIC_ARRAY, PRINT_OP, PRINT_FUNC, + PRINT_BITMASK, }; struct print_arg { @@ -280,6 +294,7 @@ struct print_arg { struct print_arg_hex hex; struct print_arg_func func; struct print_arg_string string; + struct print_arg_bitmask bitmask; struct print_arg_op op; struct print_arg_dynarray dynarray; }; @@ -346,6 +361,8 @@ enum pevent_func_arg_type { enum pevent_flag { PEVENT_NSEC_OUTPUT = 1, /* output in NSECS */ + PEVENT_DISABLE_SYS_PLUGINS = 1 << 1, + PEVENT_DISABLE_PLUGINS = 1 << 2, }; #define PEVENT_ERRORS \ @@ -355,12 +372,35 @@ enum pevent_flag { _PE(READ_FORMAT_FAILED, "failed to read event format"), \ _PE(READ_PRINT_FAILED, "failed to read event print fmt"), \ _PE(OLD_FTRACE_ARG_FAILED,"failed to allocate field name for ftrace"),\ - _PE(INVALID_ARG_TYPE, "invalid argument type") + _PE(INVALID_ARG_TYPE, "invalid argument type"), \ + _PE(INVALID_EXP_TYPE, "invalid expression type"), \ + _PE(INVALID_OP_TYPE, "invalid operator type"), \ + _PE(INVALID_EVENT_NAME, "invalid event name"), \ + _PE(EVENT_NOT_FOUND, "no event found"), \ + _PE(SYNTAX_ERROR, "syntax error"), \ + _PE(ILLEGAL_RVALUE, "illegal rvalue"), \ + _PE(ILLEGAL_LVALUE, "illegal lvalue for string comparison"), \ + _PE(INVALID_REGEX, "regex did not compute"), \ + _PE(ILLEGAL_STRING_CMP, "illegal comparison for string"), \ + _PE(ILLEGAL_INTEGER_CMP,"illegal comparison for integer"), \ + _PE(REPARENT_NOT_OP, "cannot reparent other than OP"), \ + _PE(REPARENT_FAILED, "failed to reparent filter OP"), \ + _PE(BAD_FILTER_ARG, "bad arg in filter tree"), \ + _PE(UNEXPECTED_TYPE, "unexpected type (not a value)"), \ + _PE(ILLEGAL_TOKEN, "illegal token"), \ + _PE(INVALID_PAREN, "open parenthesis cannot come here"), \ + _PE(UNBALANCED_PAREN, "unbalanced number of parenthesis"), \ + _PE(UNKNOWN_TOKEN, "unknown token"), \ + _PE(FILTER_NOT_FOUND, "no filter found"), \ + _PE(NOT_A_NUMBER, "must have number field"), \ + _PE(NO_FILTER, "no filters exists"), \ + _PE(FILTER_MISS, "record does not match to filter") #undef _PE #define _PE(__code, __str) PEVENT_ERRNO__ ## __code enum pevent_errno { PEVENT_ERRNO__SUCCESS = 0, + PEVENT_ERRNO__FILTER_MATCH = PEVENT_ERRNO__SUCCESS, /* * Choose an arbitrary negative big number not to clash with standard @@ -377,6 +417,22 @@ enum pevent_errno { }; #undef _PE +struct plugin_list; + +#define INVALID_PLUGIN_LIST_OPTION ((char **)((unsigned long)-1)) + +struct plugin_list *traceevent_load_plugins(struct pevent *pevent); +void traceevent_unload_plugins(struct plugin_list *plugin_list, + struct pevent *pevent); +char **traceevent_plugin_list_options(void); +void traceevent_plugin_free_options_list(char **list); +int traceevent_plugin_add_options(const char *name, + struct pevent_plugin_option *options); +void traceevent_plugin_remove_options(struct pevent_plugin_option *options); +void traceevent_print_plugins(struct trace_seq *s, + const char *prefix, const char *suffix, + const struct plugin_list *list); + struct cmdline; struct cmdline_list; struct func_map; @@ -522,6 +578,15 @@ __data2host8(struct pevent *pevent, unsigned long long data) __data2host8(pevent, __val); \ }) +static inline int traceevent_host_bigendian(void) +{ + unsigned char str[] = { 0x1, 0x2, 0x3, 0x4 }; + unsigned int val; + + memcpy(&val, str, 4); + return val == 0x01020304; +} + /* taken from kernel/trace/trace.h */ enum trace_flag_type { TRACE_FLAG_IRQS_OFF = 0x01, @@ -547,7 +612,9 @@ int pevent_parse_header_page(struct pevent *pevent, char *buf, unsigned long siz enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf, unsigned long size, const char *sys); -enum pevent_errno pevent_parse_format(struct event_format **eventp, const char *buf, +enum pevent_errno pevent_parse_format(struct pevent *pevent, + struct event_format **eventp, + const char *buf, unsigned long size, const char *sys); void pevent_free_format(struct event_format *event); @@ -576,10 +643,15 @@ int pevent_print_func_field(struct trace_seq *s, const char *fmt, int pevent_register_event_handler(struct pevent *pevent, int id, const char *sys_name, const char *event_name, pevent_event_handler_func func, void *context); +int pevent_unregister_event_handler(struct pevent *pevent, int id, + const char *sys_name, const char *event_name, + pevent_event_handler_func func, void *context); int pevent_register_print_function(struct pevent *pevent, pevent_func_handler func, enum pevent_func_arg_type ret_type, char *name, ...); +int pevent_unregister_print_function(struct pevent *pevent, + pevent_func_handler func, char *name); struct format_field *pevent_find_common_field(struct event_format *event, const char *name); struct format_field *pevent_find_field(struct event_format *event, const char *name); @@ -811,18 +883,22 @@ struct filter_type { struct filter_arg *filter; }; +#define PEVENT_FILTER_ERROR_BUFSZ 1024 + struct event_filter { struct pevent *pevent; int filters; struct filter_type *event_filters; + char error_buffer[PEVENT_FILTER_ERROR_BUFSZ]; }; struct event_filter *pevent_filter_alloc(struct pevent *pevent); -#define FILTER_NONE -2 -#define FILTER_NOEXIST -1 -#define FILTER_MISS 0 -#define FILTER_MATCH 1 +/* for backward compatibility */ +#define FILTER_NONE PEVENT_ERRNO__NO_FILTER +#define FILTER_NOEXIST PEVENT_ERRNO__FILTER_NOT_FOUND +#define FILTER_MISS PEVENT_ERRNO__FILTER_MISS +#define FILTER_MATCH PEVENT_ERRNO__FILTER_MATCH enum filter_trivial_type { FILTER_TRIVIAL_FALSE, @@ -830,20 +906,21 @@ enum filter_trivial_type { FILTER_TRIVIAL_BOTH, }; -int pevent_filter_add_filter_str(struct event_filter *filter, - const char *filter_str, - char **error_str); +enum pevent_errno pevent_filter_add_filter_str(struct event_filter *filter, + const char *filter_str); +enum pevent_errno pevent_filter_match(struct event_filter *filter, + struct pevent_record *record); -int pevent_filter_match(struct event_filter *filter, - struct pevent_record *record); +int pevent_filter_strerror(struct event_filter *filter, enum pevent_errno err, + char *buf, size_t buflen); int pevent_event_filtered(struct event_filter *filter, int event_id); void pevent_filter_reset(struct event_filter *filter); -void pevent_filter_clear_trivial(struct event_filter *filter, +int pevent_filter_clear_trivial(struct event_filter *filter, enum filter_trivial_type type); void pevent_filter_free(struct event_filter *filter); diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c new file mode 100644 index 00000000000..136162c03af --- /dev/null +++ b/tools/lib/traceevent/event-plugin.c @@ -0,0 +1,416 @@ +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <stdio.h> +#include <string.h> +#include <dlfcn.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <dirent.h> +#include "event-parse.h" +#include "event-utils.h" + +#define LOCAL_PLUGIN_DIR ".traceevent/plugins" + +static struct registered_plugin_options { + struct registered_plugin_options *next; + struct pevent_plugin_option *options; +} *registered_options; + +static struct trace_plugin_options { + struct trace_plugin_options *next; + char *plugin; + char *option; + char *value; +} *trace_plugin_options; + +struct plugin_list { + struct plugin_list *next; + char *name; + void *handle; +}; + +/** + * traceevent_plugin_list_options - get list of plugin options + * + * Returns an array of char strings that list the currently registered + * plugin options in the format of <plugin>:<option>. This list can be + * used by toggling the option. + * + * Returns NULL if there's no options registered. On error it returns + * INVALID_PLUGIN_LIST_OPTION + * + * Must be freed with traceevent_plugin_free_options_list(). + */ +char **traceevent_plugin_list_options(void) +{ + struct registered_plugin_options *reg; + struct pevent_plugin_option *op; + char **list = NULL; + char *name; + int count = 0; + + for (reg = registered_options; reg; reg = reg->next) { + for (op = reg->options; op->name; op++) { + char *alias = op->plugin_alias ? op->plugin_alias : op->file; + char **temp = list; + + name = malloc(strlen(op->name) + strlen(alias) + 2); + if (!name) + goto err; + + sprintf(name, "%s:%s", alias, op->name); + list = realloc(list, count + 2); + if (!list) { + list = temp; + free(name); + goto err; + } + list[count++] = name; + list[count] = NULL; + } + } + return list; + + err: + while (--count >= 0) + free(list[count]); + free(list); + + return INVALID_PLUGIN_LIST_OPTION; +} + +void traceevent_plugin_free_options_list(char **list) +{ + int i; + + if (!list) + return; + + if (list == INVALID_PLUGIN_LIST_OPTION) + return; + + for (i = 0; list[i]; i++) + free(list[i]); + + free(list); +} + +static int +update_option(const char *file, struct pevent_plugin_option *option) +{ + struct trace_plugin_options *op; + char *plugin; + + if (option->plugin_alias) { + plugin = strdup(option->plugin_alias); + if (!plugin) + return -1; + } else { + char *p; + plugin = strdup(file); + if (!plugin) + return -1; + p = strstr(plugin, "."); + if (p) + *p = '\0'; + } + + /* first look for named options */ + for (op = trace_plugin_options; op; op = op->next) { + if (!op->plugin) + continue; + if (strcmp(op->plugin, plugin) != 0) + continue; + if (strcmp(op->option, option->name) != 0) + continue; + + option->value = op->value; + option->set ^= 1; + goto out; + } + + /* first look for unnamed options */ + for (op = trace_plugin_options; op; op = op->next) { + if (op->plugin) + continue; + if (strcmp(op->option, option->name) != 0) + continue; + + option->value = op->value; + option->set ^= 1; + break; + } + + out: + free(plugin); + return 0; +} + +/** + * traceevent_plugin_add_options - Add a set of options by a plugin + * @name: The name of the plugin adding the options + * @options: The set of options being loaded + * + * Sets the options with the values that have been added by user. + */ +int traceevent_plugin_add_options(const char *name, + struct pevent_plugin_option *options) +{ + struct registered_plugin_options *reg; + + reg = malloc(sizeof(*reg)); + if (!reg) + return -1; + reg->next = registered_options; + reg->options = options; + registered_options = reg; + + while (options->name) { + update_option(name, options); + options++; + } + return 0; +} + +/** + * traceevent_plugin_remove_options - remove plugin options that were registered + * @options: Options to removed that were registered with traceevent_plugin_add_options + */ +void traceevent_plugin_remove_options(struct pevent_plugin_option *options) +{ + struct registered_plugin_options **last; + struct registered_plugin_options *reg; + + for (last = ®istered_options; *last; last = &(*last)->next) { + if ((*last)->options == options) { + reg = *last; + *last = reg->next; + free(reg); + return; + } + } +} + +/** + * traceevent_print_plugins - print out the list of plugins loaded + * @s: the trace_seq descripter to write to + * @prefix: The prefix string to add before listing the option name + * @suffix: The suffix string ot append after the option name + * @list: The list of plugins (usually returned by traceevent_load_plugins() + * + * Writes to the trace_seq @s the list of plugins (files) that is + * returned by traceevent_load_plugins(). Use @prefix and @suffix for formating: + * @prefix = " ", @suffix = "\n". + */ +void traceevent_print_plugins(struct trace_seq *s, + const char *prefix, const char *suffix, + const struct plugin_list *list) +{ + while (list) { + trace_seq_printf(s, "%s%s%s", prefix, list->name, suffix); + list = list->next; + } +} + +static void +load_plugin(struct pevent *pevent, const char *path, + const char *file, void *data) +{ + struct plugin_list **plugin_list = data; + pevent_plugin_load_func func; + struct plugin_list *list; + const char *alias; + char *plugin; + void *handle; + + plugin = malloc(strlen(path) + strlen(file) + 2); + if (!plugin) { + warning("could not allocate plugin memory\n"); + return; + } + + strcpy(plugin, path); + strcat(plugin, "/"); + strcat(plugin, file); + + handle = dlopen(plugin, RTLD_NOW | RTLD_GLOBAL); + if (!handle) { + warning("could not load plugin '%s'\n%s\n", + plugin, dlerror()); + goto out_free; + } + + alias = dlsym(handle, PEVENT_PLUGIN_ALIAS_NAME); + if (!alias) + alias = file; + + func = dlsym(handle, PEVENT_PLUGIN_LOADER_NAME); + if (!func) { + warning("could not find func '%s' in plugin '%s'\n%s\n", + PEVENT_PLUGIN_LOADER_NAME, plugin, dlerror()); + goto out_free; + } + + list = malloc(sizeof(*list)); + if (!list) { + warning("could not allocate plugin memory\n"); + goto out_free; + } + + list->next = *plugin_list; + list->handle = handle; + list->name = plugin; + *plugin_list = list; + + pr_stat("registering plugin: %s", plugin); + func(pevent); + return; + + out_free: + free(plugin); +} + +static void +load_plugins_dir(struct pevent *pevent, const char *suffix, + const char *path, + void (*load_plugin)(struct pevent *pevent, + const char *path, + const char *name, + void *data), + void *data) +{ + struct dirent *dent; + struct stat st; + DIR *dir; + int ret; + + ret = stat(path, &st); + if (ret < 0) + return; + + if (!S_ISDIR(st.st_mode)) + return; + + dir = opendir(path); + if (!dir) + return; + + while ((dent = readdir(dir))) { + const char *name = dent->d_name; + + if (strcmp(name, ".") == 0 || + strcmp(name, "..") == 0) + continue; + + /* Only load plugins that end in suffix */ + if (strcmp(name + (strlen(name) - strlen(suffix)), suffix) != 0) + continue; + + load_plugin(pevent, path, name, data); + } + + closedir(dir); +} + +static void +load_plugins(struct pevent *pevent, const char *suffix, + void (*load_plugin)(struct pevent *pevent, + const char *path, + const char *name, + void *data), + void *data) +{ + char *home; + char *path; + char *envdir; + + if (pevent->flags & PEVENT_DISABLE_PLUGINS) + return; + + /* + * If a system plugin directory was defined, + * check that first. + */ +#ifdef PLUGIN_DIR + if (!(pevent->flags & PEVENT_DISABLE_SYS_PLUGINS)) + load_plugins_dir(pevent, suffix, PLUGIN_DIR, + load_plugin, data); +#endif + + /* + * Next let the environment-set plugin directory + * override the system defaults. + */ + envdir = getenv("TRACEEVENT_PLUGIN_DIR"); + if (envdir) + load_plugins_dir(pevent, suffix, envdir, load_plugin, data); + + /* + * Now let the home directory override the environment + * or system defaults. + */ + home = getenv("HOME"); + if (!home) + return; + + path = malloc(strlen(home) + strlen(LOCAL_PLUGIN_DIR) + 2); + if (!path) { + warning("could not allocate plugin memory\n"); + return; + } + + strcpy(path, home); + strcat(path, "/"); + strcat(path, LOCAL_PLUGIN_DIR); + + load_plugins_dir(pevent, suffix, path, load_plugin, data); + + free(path); +} + +struct plugin_list* +traceevent_load_plugins(struct pevent *pevent) +{ + struct plugin_list *list = NULL; + + load_plugins(pevent, ".so", load_plugin, &list); + return list; +} + +void +traceevent_unload_plugins(struct plugin_list *plugin_list, struct pevent *pevent) +{ + pevent_plugin_unload_func func; + struct plugin_list *list; + + while (plugin_list) { + list = plugin_list; + plugin_list = list->next; + func = dlsym(list->handle, PEVENT_PLUGIN_UNLOADER_NAME); + if (func) + func(pevent); + dlclose(list->handle); + free(list->name); + free(list); + } +} diff --git a/tools/lib/traceevent/event-utils.h b/tools/lib/traceevent/event-utils.h index e76c9acb92c..d1dc2170e40 100644 --- a/tools/lib/traceevent/event-utils.h +++ b/tools/lib/traceevent/event-utils.h @@ -23,18 +23,14 @@ #include <ctype.h> /* Can be overridden */ -void die(const char *fmt, ...); -void *malloc_or_die(unsigned int size); void warning(const char *fmt, ...); void pr_stat(const char *fmt, ...); void vpr_stat(const char *fmt, va_list ap); /* Always available */ -void __die(const char *fmt, ...); void __warning(const char *fmt, ...); void __pr_stat(const char *fmt, ...); -void __vdie(const char *fmt, ...); void __vwarning(const char *fmt, ...); void __vpr_stat(const char *fmt, ...); diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index 2500e75583f..b50234402fc 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -38,41 +38,31 @@ struct event_list { struct event_format *event; }; -#define MAX_ERR_STR_SIZE 256 - -static void show_error(char **error_str, const char *fmt, ...) +static void show_error(char *error_buf, const char *fmt, ...) { unsigned long long index; const char *input; - char *error; va_list ap; int len; int i; - if (!error_str) - return; - input = pevent_get_input_buf(); index = pevent_get_input_buf_ptr(); len = input ? strlen(input) : 0; - error = malloc_or_die(MAX_ERR_STR_SIZE + (len*2) + 3); - if (len) { - strcpy(error, input); - error[len] = '\n'; + strcpy(error_buf, input); + error_buf[len] = '\n'; for (i = 1; i < len && i < index; i++) - error[len+i] = ' '; - error[len + i] = '^'; - error[len + i + 1] = '\n'; + error_buf[len+i] = ' '; + error_buf[len + i] = '^'; + error_buf[len + i + 1] = '\n'; len += i+2; } va_start(ap, fmt); - vsnprintf(error + len, MAX_ERR_STR_SIZE, fmt, ap); + vsnprintf(error_buf + len, PEVENT_FILTER_ERROR_BUFSZ - len, fmt, ap); va_end(ap); - - *error_str = error; } static void free_token(char *token) @@ -95,7 +85,11 @@ static enum event_type read_token(char **tok) (strcmp(token, "=") == 0 || strcmp(token, "!") == 0) && pevent_peek_char() == '~') { /* append it */ - *tok = malloc_or_die(3); + *tok = malloc(3); + if (*tok == NULL) { + free_token(token); + return EVENT_ERROR; + } sprintf(*tok, "%c%c", *token, '~'); free_token(token); /* Now remove the '~' from the buffer */ @@ -147,11 +141,13 @@ add_filter_type(struct event_filter *filter, int id) if (filter_type) return filter_type; - filter->event_filters = realloc(filter->event_filters, - sizeof(*filter->event_filters) * - (filter->filters + 1)); - if (!filter->event_filters) - die("Could not allocate filter"); + filter_type = realloc(filter->event_filters, + sizeof(*filter->event_filters) * + (filter->filters + 1)); + if (!filter_type) + return NULL; + + filter->event_filters = filter_type; for (i = 0; i < filter->filters; i++) { if (filter->event_filters[i].event_id > id) @@ -182,7 +178,10 @@ struct event_filter *pevent_filter_alloc(struct pevent *pevent) { struct event_filter *filter; - filter = malloc_or_die(sizeof(*filter)); + filter = malloc(sizeof(*filter)); + if (filter == NULL) + return NULL; + memset(filter, 0, sizeof(*filter)); filter->pevent = pevent; pevent_ref(pevent); @@ -192,12 +191,7 @@ struct event_filter *pevent_filter_alloc(struct pevent *pevent) static struct filter_arg *allocate_arg(void) { - struct filter_arg *arg; - - arg = malloc_or_die(sizeof(*arg)); - memset(arg, 0, sizeof(*arg)); - - return arg; + return calloc(1, sizeof(struct filter_arg)); } static void free_arg(struct filter_arg *arg) @@ -242,15 +236,19 @@ static void free_arg(struct filter_arg *arg) free(arg); } -static void add_event(struct event_list **events, +static int add_event(struct event_list **events, struct event_format *event) { struct event_list *list; - list = malloc_or_die(sizeof(*list)); + list = malloc(sizeof(*list)); + if (list == NULL) + return -1; + list->next = *events; *events = list; list->event = event; + return 0; } static int event_match(struct event_format *event, @@ -265,7 +263,7 @@ static int event_match(struct event_format *event, !regexec(ereg, event->name, 0, NULL, 0); } -static int +static enum pevent_errno find_event(struct pevent *pevent, struct event_list **events, char *sys_name, char *event_name) { @@ -273,6 +271,7 @@ find_event(struct pevent *pevent, struct event_list **events, regex_t ereg; regex_t sreg; int match = 0; + int fail = 0; char *reg; int ret; int i; @@ -283,23 +282,31 @@ find_event(struct pevent *pevent, struct event_list **events, sys_name = NULL; } - reg = malloc_or_die(strlen(event_name) + 3); + reg = malloc(strlen(event_name) + 3); + if (reg == NULL) + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + sprintf(reg, "^%s$", event_name); ret = regcomp(&ereg, reg, REG_ICASE|REG_NOSUB); free(reg); if (ret) - return -1; + return PEVENT_ERRNO__INVALID_EVENT_NAME; if (sys_name) { - reg = malloc_or_die(strlen(sys_name) + 3); + reg = malloc(strlen(sys_name) + 3); + if (reg == NULL) { + regfree(&ereg); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } + sprintf(reg, "^%s$", sys_name); ret = regcomp(&sreg, reg, REG_ICASE|REG_NOSUB); free(reg); if (ret) { regfree(&ereg); - return -1; + return PEVENT_ERRNO__INVALID_EVENT_NAME; } } @@ -307,7 +314,10 @@ find_event(struct pevent *pevent, struct event_list **events, event = pevent->events[i]; if (event_match(event, sys_name ? &sreg : NULL, &ereg)) { match = 1; - add_event(events, event); + if (add_event(events, event) < 0) { + fail = 1; + break; + } } } @@ -316,7 +326,9 @@ find_event(struct pevent *pevent, struct event_list **events, regfree(&sreg); if (!match) - return -1; + return PEVENT_ERRNO__EVENT_NOT_FOUND; + if (fail) + return PEVENT_ERRNO__MEM_ALLOC_FAILED; return 0; } @@ -332,14 +344,18 @@ static void free_events(struct event_list *events) } } -static struct filter_arg * +static enum pevent_errno create_arg_item(struct event_format *event, const char *token, - enum event_type type, char **error_str) + enum event_type type, struct filter_arg **parg, char *error_str) { struct format_field *field; struct filter_arg *arg; arg = allocate_arg(); + if (arg == NULL) { + show_error(error_str, "failed to allocate filter arg"); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } switch (type) { @@ -349,8 +365,11 @@ create_arg_item(struct event_format *event, const char *token, arg->value.type = type == EVENT_DQUOTE ? FILTER_STRING : FILTER_CHAR; arg->value.str = strdup(token); - if (!arg->value.str) - die("malloc string"); + if (!arg->value.str) { + free_arg(arg); + show_error(error_str, "failed to allocate string filter arg"); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } break; case EVENT_ITEM: /* if it is a number, then convert it */ @@ -377,11 +396,11 @@ create_arg_item(struct event_format *event, const char *token, break; default: free_arg(arg); - show_error(error_str, "expected a value but found %s", - token); - return NULL; + show_error(error_str, "expected a value but found %s", token); + return PEVENT_ERRNO__UNEXPECTED_TYPE; } - return arg; + *parg = arg; + return 0; } static struct filter_arg * @@ -390,6 +409,9 @@ create_arg_op(enum filter_op_type btype) struct filter_arg *arg; arg = allocate_arg(); + if (!arg) + return NULL; + arg->type = FILTER_ARG_OP; arg->op.type = btype; @@ -402,6 +424,9 @@ create_arg_exp(enum filter_exp_type etype) struct filter_arg *arg; arg = allocate_arg(); + if (!arg) + return NULL; + arg->type = FILTER_ARG_EXP; arg->op.type = etype; @@ -414,6 +439,9 @@ create_arg_cmp(enum filter_exp_type etype) struct filter_arg *arg; arg = allocate_arg(); + if (!arg) + return NULL; + /* Use NUM and change if necessary */ arg->type = FILTER_ARG_NUM; arg->op.type = etype; @@ -421,8 +449,8 @@ create_arg_cmp(enum filter_exp_type etype) return arg; } -static int add_right(struct filter_arg *op, struct filter_arg *arg, - char **error_str) +static enum pevent_errno +add_right(struct filter_arg *op, struct filter_arg *arg, char *error_str) { struct filter_arg *left; char *str; @@ -453,9 +481,8 @@ static int add_right(struct filter_arg *op, struct filter_arg *arg, case FILTER_ARG_FIELD: break; default: - show_error(error_str, - "Illegal rvalue"); - return -1; + show_error(error_str, "Illegal rvalue"); + return PEVENT_ERRNO__ILLEGAL_RVALUE; } /* @@ -502,7 +529,7 @@ static int add_right(struct filter_arg *op, struct filter_arg *arg, if (left->type != FILTER_ARG_FIELD) { show_error(error_str, "Illegal lvalue for string comparison"); - return -1; + return PEVENT_ERRNO__ILLEGAL_LVALUE; } /* Make sure this is a valid string compare */ @@ -521,25 +548,31 @@ static int add_right(struct filter_arg *op, struct filter_arg *arg, show_error(error_str, "RegEx '%s' did not compute", str); - return -1; + return PEVENT_ERRNO__INVALID_REGEX; } break; default: show_error(error_str, "Illegal comparison for string"); - return -1; + return PEVENT_ERRNO__ILLEGAL_STRING_CMP; } op->type = FILTER_ARG_STR; op->str.type = op_type; op->str.field = left->field.field; op->str.val = strdup(str); - if (!op->str.val) - die("malloc string"); + if (!op->str.val) { + show_error(error_str, "Failed to allocate string filter"); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } /* * Need a buffer to copy data for tests */ - op->str.buffer = malloc_or_die(op->str.field->size + 1); + op->str.buffer = malloc(op->str.field->size + 1); + if (!op->str.buffer) { + show_error(error_str, "Failed to allocate string filter"); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } /* Null terminate this buffer */ op->str.buffer[op->str.field->size] = 0; @@ -557,7 +590,7 @@ static int add_right(struct filter_arg *op, struct filter_arg *arg, case FILTER_CMP_NOT_REGEX: show_error(error_str, "Op not allowed with integers"); - return -1; + return PEVENT_ERRNO__ILLEGAL_INTEGER_CMP; default: break; @@ -577,9 +610,8 @@ static int add_right(struct filter_arg *op, struct filter_arg *arg, return 0; out_fail: - show_error(error_str, - "Syntax error"); - return -1; + show_error(error_str, "Syntax error"); + return PEVENT_ERRNO__SYNTAX_ERROR; } static struct filter_arg * @@ -592,7 +624,7 @@ rotate_op_right(struct filter_arg *a, struct filter_arg *b) return arg; } -static int add_left(struct filter_arg *op, struct filter_arg *arg) +static enum pevent_errno add_left(struct filter_arg *op, struct filter_arg *arg) { switch (op->type) { case FILTER_ARG_EXP: @@ -611,11 +643,11 @@ static int add_left(struct filter_arg *op, struct filter_arg *arg) /* left arg of compares must be a field */ if (arg->type != FILTER_ARG_FIELD && arg->type != FILTER_ARG_BOOLEAN) - return -1; + return PEVENT_ERRNO__INVALID_ARG_TYPE; op->num.left = arg; break; default: - return -1; + return PEVENT_ERRNO__INVALID_ARG_TYPE; } return 0; } @@ -728,15 +760,18 @@ enum filter_vals { FILTER_VAL_TRUE, }; -void reparent_op_arg(struct filter_arg *parent, struct filter_arg *old_child, - struct filter_arg *arg) +static enum pevent_errno +reparent_op_arg(struct filter_arg *parent, struct filter_arg *old_child, + struct filter_arg *arg, char *error_str) { struct filter_arg *other_child; struct filter_arg **ptr; if (parent->type != FILTER_ARG_OP && - arg->type != FILTER_ARG_OP) - die("can not reparent other than OP"); + arg->type != FILTER_ARG_OP) { + show_error(error_str, "can not reparent other than OP"); + return PEVENT_ERRNO__REPARENT_NOT_OP; + } /* Get the sibling */ if (old_child->op.right == arg) { @@ -745,8 +780,10 @@ void reparent_op_arg(struct filter_arg *parent, struct filter_arg *old_child, } else if (old_child->op.left == arg) { ptr = &old_child->op.left; other_child = old_child->op.right; - } else - die("Error in reparent op, find other child"); + } else { + show_error(error_str, "Error in reparent op, find other child"); + return PEVENT_ERRNO__REPARENT_FAILED; + } /* Detach arg from old_child */ *ptr = NULL; @@ -757,23 +794,29 @@ void reparent_op_arg(struct filter_arg *parent, struct filter_arg *old_child, *parent = *arg; /* Free arg without recussion */ free(arg); - return; + return 0; } if (parent->op.right == old_child) ptr = &parent->op.right; else if (parent->op.left == old_child) ptr = &parent->op.left; - else - die("Error in reparent op"); + else { + show_error(error_str, "Error in reparent op"); + return PEVENT_ERRNO__REPARENT_FAILED; + } + *ptr = arg; free_arg(old_child); + return 0; } -enum filter_vals test_arg(struct filter_arg *parent, struct filter_arg *arg) +/* Returns either filter_vals (success) or pevent_errno (failfure) */ +static int test_arg(struct filter_arg *parent, struct filter_arg *arg, + char *error_str) { - enum filter_vals lval, rval; + int lval, rval; switch (arg->type) { @@ -788,63 +831,68 @@ enum filter_vals test_arg(struct filter_arg *parent, struct filter_arg *arg) return FILTER_VAL_NORM; case FILTER_ARG_EXP: - lval = test_arg(arg, arg->exp.left); + lval = test_arg(arg, arg->exp.left, error_str); if (lval != FILTER_VAL_NORM) return lval; - rval = test_arg(arg, arg->exp.right); + rval = test_arg(arg, arg->exp.right, error_str); if (rval != FILTER_VAL_NORM) return rval; return FILTER_VAL_NORM; case FILTER_ARG_NUM: - lval = test_arg(arg, arg->num.left); + lval = test_arg(arg, arg->num.left, error_str); if (lval != FILTER_VAL_NORM) return lval; - rval = test_arg(arg, arg->num.right); + rval = test_arg(arg, arg->num.right, error_str); if (rval != FILTER_VAL_NORM) return rval; return FILTER_VAL_NORM; case FILTER_ARG_OP: if (arg->op.type != FILTER_OP_NOT) { - lval = test_arg(arg, arg->op.left); + lval = test_arg(arg, arg->op.left, error_str); switch (lval) { case FILTER_VAL_NORM: break; case FILTER_VAL_TRUE: if (arg->op.type == FILTER_OP_OR) return FILTER_VAL_TRUE; - rval = test_arg(arg, arg->op.right); + rval = test_arg(arg, arg->op.right, error_str); if (rval != FILTER_VAL_NORM) return rval; - reparent_op_arg(parent, arg, arg->op.right); - return FILTER_VAL_NORM; + return reparent_op_arg(parent, arg, arg->op.right, + error_str); case FILTER_VAL_FALSE: if (arg->op.type == FILTER_OP_AND) return FILTER_VAL_FALSE; - rval = test_arg(arg, arg->op.right); + rval = test_arg(arg, arg->op.right, error_str); if (rval != FILTER_VAL_NORM) return rval; - reparent_op_arg(parent, arg, arg->op.right); - return FILTER_VAL_NORM; + return reparent_op_arg(parent, arg, arg->op.right, + error_str); + + default: + return lval; } } - rval = test_arg(arg, arg->op.right); + rval = test_arg(arg, arg->op.right, error_str); switch (rval) { case FILTER_VAL_NORM: + default: break; + case FILTER_VAL_TRUE: if (arg->op.type == FILTER_OP_OR) return FILTER_VAL_TRUE; if (arg->op.type == FILTER_OP_NOT) return FILTER_VAL_FALSE; - reparent_op_arg(parent, arg, arg->op.left); - return FILTER_VAL_NORM; + return reparent_op_arg(parent, arg, arg->op.left, + error_str); case FILTER_VAL_FALSE: if (arg->op.type == FILTER_OP_AND) @@ -852,41 +900,56 @@ enum filter_vals test_arg(struct filter_arg *parent, struct filter_arg *arg) if (arg->op.type == FILTER_OP_NOT) return FILTER_VAL_TRUE; - reparent_op_arg(parent, arg, arg->op.left); - return FILTER_VAL_NORM; + return reparent_op_arg(parent, arg, arg->op.left, + error_str); } - return FILTER_VAL_NORM; + return rval; default: - die("bad arg in filter tree"); + show_error(error_str, "bad arg in filter tree"); + return PEVENT_ERRNO__BAD_FILTER_ARG; } return FILTER_VAL_NORM; } /* Remove any unknown event fields */ -static struct filter_arg *collapse_tree(struct filter_arg *arg) +static int collapse_tree(struct filter_arg *arg, + struct filter_arg **arg_collapsed, char *error_str) { - enum filter_vals ret; + int ret; - ret = test_arg(arg, arg); + ret = test_arg(arg, arg, error_str); switch (ret) { case FILTER_VAL_NORM: - return arg; + break; case FILTER_VAL_TRUE: case FILTER_VAL_FALSE: free_arg(arg); arg = allocate_arg(); - arg->type = FILTER_ARG_BOOLEAN; - arg->boolean.value = ret == FILTER_VAL_TRUE; + if (arg) { + arg->type = FILTER_ARG_BOOLEAN; + arg->boolean.value = ret == FILTER_VAL_TRUE; + } else { + show_error(error_str, "Failed to allocate filter arg"); + ret = PEVENT_ERRNO__MEM_ALLOC_FAILED; + } + break; + + default: + /* test_arg() already set the error_str */ + free_arg(arg); + arg = NULL; + break; } - return arg; + *arg_collapsed = arg; + return ret; } -static int +static enum pevent_errno process_filter(struct event_format *event, struct filter_arg **parg, - char **error_str, int not) + char *error_str, int not) { enum event_type type; char *token = NULL; @@ -898,7 +961,7 @@ process_filter(struct event_format *event, struct filter_arg **parg, enum filter_op_type btype; enum filter_exp_type etype; enum filter_cmp_type ctype; - int ret; + enum pevent_errno ret; *parg = NULL; @@ -909,8 +972,8 @@ process_filter(struct event_format *event, struct filter_arg **parg, case EVENT_SQUOTE: case EVENT_DQUOTE: case EVENT_ITEM: - arg = create_arg_item(event, token, type, error_str); - if (!arg) + ret = create_arg_item(event, token, type, &arg, error_str); + if (ret < 0) goto fail; if (!left_item) left_item = arg; @@ -923,20 +986,20 @@ process_filter(struct event_format *event, struct filter_arg **parg, if (not) { arg = NULL; if (current_op) - goto fail_print; + goto fail_syntax; free(token); *parg = current_exp; return 0; } } else - goto fail_print; + goto fail_syntax; arg = NULL; break; case EVENT_DELIM: if (*token == ',') { - show_error(error_str, - "Illegal token ','"); + show_error(error_str, "Illegal token ','"); + ret = PEVENT_ERRNO__ILLEGAL_TOKEN; goto fail; } @@ -944,19 +1007,23 @@ process_filter(struct event_format *event, struct filter_arg **parg, if (left_item) { show_error(error_str, "Open paren can not come after item"); + ret = PEVENT_ERRNO__INVALID_PAREN; goto fail; } if (current_exp) { show_error(error_str, "Open paren can not come after expression"); + ret = PEVENT_ERRNO__INVALID_PAREN; goto fail; } ret = process_filter(event, &arg, error_str, 0); - if (ret != 1) { - if (ret == 0) + if (ret != PEVENT_ERRNO__UNBALANCED_PAREN) { + if (ret == 0) { show_error(error_str, "Unbalanced number of '('"); + ret = PEVENT_ERRNO__UNBALANCED_PAREN; + } goto fail; } ret = 0; @@ -964,7 +1031,7 @@ process_filter(struct event_format *event, struct filter_arg **parg, /* A not wants just one expression */ if (not) { if (current_op) - goto fail_print; + goto fail_syntax; *parg = arg; return 0; } @@ -979,19 +1046,19 @@ process_filter(struct event_format *event, struct filter_arg **parg, } else { /* ')' */ if (!current_op && !current_exp) - goto fail_print; + goto fail_syntax; /* Make sure everything is finished at this level */ if (current_exp && !check_op_done(current_exp)) - goto fail_print; + goto fail_syntax; if (current_op && !check_op_done(current_op)) - goto fail_print; + goto fail_syntax; if (current_op) *parg = current_op; else *parg = current_exp; - return 1; + return PEVENT_ERRNO__UNBALANCED_PAREN; } break; @@ -1003,21 +1070,22 @@ process_filter(struct event_format *event, struct filter_arg **parg, case OP_BOOL: /* Logic ops need a left expression */ if (!current_exp && !current_op) - goto fail_print; + goto fail_syntax; /* fall through */ case OP_NOT: /* logic only processes ops and exp */ if (left_item) - goto fail_print; + goto fail_syntax; break; case OP_EXP: case OP_CMP: if (!left_item) - goto fail_print; + goto fail_syntax; break; case OP_NONE: show_error(error_str, "Unknown op token %s", token); + ret = PEVENT_ERRNO__UNKNOWN_TOKEN; goto fail; } @@ -1025,6 +1093,8 @@ process_filter(struct event_format *event, struct filter_arg **parg, switch (op_type) { case OP_BOOL: arg = create_arg_op(btype); + if (arg == NULL) + goto fail_alloc; if (current_op) ret = add_left(arg, current_op); else @@ -1035,6 +1105,8 @@ process_filter(struct event_format *event, struct filter_arg **parg, case OP_NOT: arg = create_arg_op(btype); + if (arg == NULL) + goto fail_alloc; if (current_op) ret = add_right(current_op, arg, error_str); if (ret < 0) @@ -1054,6 +1126,8 @@ process_filter(struct event_format *event, struct filter_arg **parg, arg = create_arg_exp(etype); else arg = create_arg_cmp(ctype); + if (arg == NULL) + goto fail_alloc; if (current_op) ret = add_right(current_op, arg, error_str); @@ -1062,7 +1136,7 @@ process_filter(struct event_format *event, struct filter_arg **parg, ret = add_left(arg, left_item); if (ret < 0) { arg = NULL; - goto fail_print; + goto fail_syntax; } current_exp = arg; break; @@ -1071,57 +1145,64 @@ process_filter(struct event_format *event, struct filter_arg **parg, } arg = NULL; if (ret < 0) - goto fail_print; + goto fail_syntax; break; case EVENT_NONE: break; + case EVENT_ERROR: + goto fail_alloc; default: - goto fail_print; + goto fail_syntax; } } while (type != EVENT_NONE); if (!current_op && !current_exp) - goto fail_print; + goto fail_syntax; if (!current_op) current_op = current_exp; - current_op = collapse_tree(current_op); + ret = collapse_tree(current_op, parg, error_str); + if (ret < 0) + goto fail; *parg = current_op; return 0; - fail_print: + fail_alloc: + show_error(error_str, "failed to allocate filter arg"); + ret = PEVENT_ERRNO__MEM_ALLOC_FAILED; + goto fail; + fail_syntax: show_error(error_str, "Syntax error"); + ret = PEVENT_ERRNO__SYNTAX_ERROR; fail: free_arg(current_op); free_arg(current_exp); free_arg(arg); free(token); - return -1; + return ret; } -static int +static enum pevent_errno process_event(struct event_format *event, const char *filter_str, - struct filter_arg **parg, char **error_str) + struct filter_arg **parg, char *error_str) { int ret; pevent_buffer_init(filter_str, strlen(filter_str)); ret = process_filter(event, parg, error_str, 0); - if (ret == 1) { - show_error(error_str, - "Unbalanced number of ')'"); - return -1; - } if (ret < 0) return ret; /* If parg is NULL, then make it into FALSE */ if (!*parg) { *parg = allocate_arg(); + if (*parg == NULL) + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + (*parg)->type = FILTER_ARG_BOOLEAN; (*parg)->boolean.value = FILTER_FALSE; } @@ -1129,13 +1210,13 @@ process_event(struct event_format *event, const char *filter_str, return 0; } -static int filter_event(struct event_filter *filter, - struct event_format *event, - const char *filter_str, char **error_str) +static enum pevent_errno +filter_event(struct event_filter *filter, struct event_format *event, + const char *filter_str, char *error_str) { struct filter_type *filter_type; struct filter_arg *arg; - int ret; + enum pevent_errno ret; if (filter_str) { ret = process_event(event, filter_str, &arg, error_str); @@ -1145,11 +1226,17 @@ static int filter_event(struct event_filter *filter, } else { /* just add a TRUE arg */ arg = allocate_arg(); + if (arg == NULL) + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + arg->type = FILTER_ARG_BOOLEAN; arg->boolean.value = FILTER_TRUE; } filter_type = add_filter_type(filter, event->id); + if (filter_type == NULL) + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + if (filter_type->filter) free_arg(filter_type->filter); filter_type->filter = arg; @@ -1157,22 +1244,24 @@ static int filter_event(struct event_filter *filter, return 0; } +static void filter_init_error_buf(struct event_filter *filter) +{ + /* clear buffer to reset show error */ + pevent_buffer_init("", 0); + filter->error_buffer[0] = '\0'; +} + /** * pevent_filter_add_filter_str - add a new filter * @filter: the event filter to add to * @filter_str: the filter string that contains the filter - * @error_str: string containing reason for failed filter - * - * Returns 0 if the filter was successfully added - * -1 if there was an error. * - * On error, if @error_str points to a string pointer, - * it is set to the reason that the filter failed. - * This string must be freed with "free". + * Returns 0 if the filter was successfully added or a + * negative error code. Use pevent_filter_strerror() to see + * actual error message in case of error. */ -int pevent_filter_add_filter_str(struct event_filter *filter, - const char *filter_str, - char **error_str) +enum pevent_errno pevent_filter_add_filter_str(struct event_filter *filter, + const char *filter_str) { struct pevent *pevent = filter->pevent; struct event_list *event; @@ -1183,15 +1272,11 @@ int pevent_filter_add_filter_str(struct event_filter *filter, char *event_name = NULL; char *sys_name = NULL; char *sp; - int rtn = 0; + enum pevent_errno rtn = 0; /* PEVENT_ERRNO__SUCCESS */ int len; int ret; - /* clear buffer to reset show error */ - pevent_buffer_init("", 0); - - if (error_str) - *error_str = NULL; + filter_init_error_buf(filter); filter_start = strchr(filter_str, ':'); if (filter_start) @@ -1199,7 +1284,6 @@ int pevent_filter_add_filter_str(struct event_filter *filter, else len = strlen(filter_str); - do { next_event = strchr(filter_str, ','); if (next_event && @@ -1210,7 +1294,12 @@ int pevent_filter_add_filter_str(struct event_filter *filter, else len = strlen(filter_str); - this_event = malloc_or_die(len + 1); + this_event = malloc(len + 1); + if (this_event == NULL) { + /* This can only happen when events is NULL, but still */ + free_events(events); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } memcpy(this_event, filter_str, len); this_event[len] = 0; @@ -1223,27 +1312,18 @@ int pevent_filter_add_filter_str(struct event_filter *filter, event_name = strtok_r(NULL, "/", &sp); if (!sys_name) { - show_error(error_str, "No filter found"); /* This can only happen when events is NULL, but still */ free_events(events); free(this_event); - return -1; + return PEVENT_ERRNO__FILTER_NOT_FOUND; } /* Find this event */ ret = find_event(pevent, &events, strim(sys_name), strim(event_name)); if (ret < 0) { - if (event_name) - show_error(error_str, - "No event found under '%s.%s'", - sys_name, event_name); - else - show_error(error_str, - "No event found under '%s'", - sys_name); free_events(events); free(this_event); - return -1; + return ret; } free(this_event); } while (filter_str); @@ -1255,7 +1335,7 @@ int pevent_filter_add_filter_str(struct event_filter *filter, /* filter starts here */ for (event = events; event; event = event->next) { ret = filter_event(filter, event->event, filter_start, - error_str); + filter->error_buffer); /* Failures are returned if a parse error happened */ if (ret < 0) rtn = ret; @@ -1263,8 +1343,10 @@ int pevent_filter_add_filter_str(struct event_filter *filter, if (ret >= 0 && pevent->test_filters) { char *test; test = pevent_filter_make_string(filter, event->event->id); - printf(" '%s: %s'\n", event->event->name, test); - free(test); + if (test) { + printf(" '%s: %s'\n", event->event->name, test); + free(test); + } } } @@ -1282,6 +1364,32 @@ static void free_filter_type(struct filter_type *filter_type) } /** + * pevent_filter_strerror - fill error message in a buffer + * @filter: the event filter contains error + * @err: the error code + * @buf: the buffer to be filled in + * @buflen: the size of the buffer + * + * Returns 0 if message was filled successfully, -1 if error + */ +int pevent_filter_strerror(struct event_filter *filter, enum pevent_errno err, + char *buf, size_t buflen) +{ + if (err <= __PEVENT_ERRNO__START || err >= __PEVENT_ERRNO__END) + return -1; + + if (strlen(filter->error_buffer) > 0) { + size_t len = snprintf(buf, buflen, "%s", filter->error_buffer); + + if (len > buflen) + return -1; + return 0; + } + + return pevent_strerror(filter->pevent, err, buf, buflen); +} + +/** * pevent_filter_remove_event - remove a filter for an event * @filter: the event filter to remove from * @event_id: the event to remove a filter for @@ -1374,6 +1482,9 @@ static int copy_filter_type(struct event_filter *filter, if (strcmp(str, "TRUE") == 0 || strcmp(str, "FALSE") == 0) { /* Add trivial event */ arg = allocate_arg(); + if (arg == NULL) + return -1; + arg->type = FILTER_ARG_BOOLEAN; if (strcmp(str, "TRUE") == 0) arg->boolean.value = 1; @@ -1381,6 +1492,9 @@ static int copy_filter_type(struct event_filter *filter, arg->boolean.value = 0; filter_type = add_filter_type(filter, event->id); + if (filter_type == NULL) + return -1; + filter_type->filter = arg; free(str); @@ -1482,8 +1596,10 @@ int pevent_update_trivial(struct event_filter *dest, struct event_filter *source * @type: remove only true, false, or both * * Removes filters that only contain a TRUE or FALES boolean arg. + * + * Returns 0 on success and -1 if there was a problem. */ -void pevent_filter_clear_trivial(struct event_filter *filter, +int pevent_filter_clear_trivial(struct event_filter *filter, enum filter_trivial_type type) { struct filter_type *filter_type; @@ -1492,13 +1608,15 @@ void pevent_filter_clear_trivial(struct event_filter *filter, int i; if (!filter->filters) - return; + return 0; /* * Two steps, first get all ids with trivial filters. * then remove those ids. */ for (i = 0; i < filter->filters; i++) { + int *new_ids; + filter_type = &filter->event_filters[i]; if (filter_type->filter->type != FILTER_ARG_BOOLEAN) continue; @@ -1513,19 +1631,24 @@ void pevent_filter_clear_trivial(struct event_filter *filter, break; } - ids = realloc(ids, sizeof(*ids) * (count + 1)); - if (!ids) - die("Can't allocate ids"); + new_ids = realloc(ids, sizeof(*ids) * (count + 1)); + if (!new_ids) { + free(ids); + return -1; + } + + ids = new_ids; ids[count++] = filter_type->event_id; } if (!count) - return; + return 0; for (i = 0; i < count; i++) pevent_filter_remove_event(filter, ids[i]); free(ids); + return 0; } /** @@ -1565,8 +1688,8 @@ int pevent_filter_event_has_trivial(struct event_filter *filter, } } -static int test_filter(struct event_format *event, - struct filter_arg *arg, struct pevent_record *record); +static int test_filter(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err); static const char * get_comm(struct event_format *event, struct pevent_record *record) @@ -1612,15 +1735,24 @@ get_value(struct event_format *event, } static unsigned long long -get_arg_value(struct event_format *event, struct filter_arg *arg, struct pevent_record *record); +get_arg_value(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err); static unsigned long long -get_exp_value(struct event_format *event, struct filter_arg *arg, struct pevent_record *record) +get_exp_value(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err) { unsigned long long lval, rval; - lval = get_arg_value(event, arg->exp.left, record); - rval = get_arg_value(event, arg->exp.right, record); + lval = get_arg_value(event, arg->exp.left, record, err); + rval = get_arg_value(event, arg->exp.right, record, err); + + if (*err) { + /* + * There was an error, no need to process anymore. + */ + return 0; + } switch (arg->exp.type) { case FILTER_EXP_ADD: @@ -1655,39 +1787,51 @@ get_exp_value(struct event_format *event, struct filter_arg *arg, struct pevent_ case FILTER_EXP_NOT: default: - die("error in exp"); + if (!*err) + *err = PEVENT_ERRNO__INVALID_EXP_TYPE; } return 0; } static unsigned long long -get_arg_value(struct event_format *event, struct filter_arg *arg, struct pevent_record *record) +get_arg_value(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err) { switch (arg->type) { case FILTER_ARG_FIELD: return get_value(event, arg->field.field, record); case FILTER_ARG_VALUE: - if (arg->value.type != FILTER_NUMBER) - die("must have number field!"); + if (arg->value.type != FILTER_NUMBER) { + if (!*err) + *err = PEVENT_ERRNO__NOT_A_NUMBER; + } return arg->value.val; case FILTER_ARG_EXP: - return get_exp_value(event, arg, record); + return get_exp_value(event, arg, record, err); default: - die("oops in filter"); + if (!*err) + *err = PEVENT_ERRNO__INVALID_ARG_TYPE; } return 0; } -static int test_num(struct event_format *event, - struct filter_arg *arg, struct pevent_record *record) +static int test_num(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err) { unsigned long long lval, rval; - lval = get_arg_value(event, arg->num.left, record); - rval = get_arg_value(event, arg->num.right, record); + lval = get_arg_value(event, arg->num.left, record, err); + rval = get_arg_value(event, arg->num.right, record, err); + + if (*err) { + /* + * There was an error, no need to process anymore. + */ + return 0; + } switch (arg->num.type) { case FILTER_CMP_EQ: @@ -1709,7 +1853,8 @@ static int test_num(struct event_format *event, return lval <= rval; default: - /* ?? */ + if (!*err) + *err = PEVENT_ERRNO__ILLEGAL_INTEGER_CMP; return 0; } } @@ -1756,8 +1901,8 @@ static const char *get_field_str(struct filter_arg *arg, struct pevent_record *r return val; } -static int test_str(struct event_format *event, - struct filter_arg *arg, struct pevent_record *record) +static int test_str(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err) { const char *val; @@ -1781,48 +1926,57 @@ static int test_str(struct event_format *event, return regexec(&arg->str.reg, val, 0, NULL, 0); default: - /* ?? */ + if (!*err) + *err = PEVENT_ERRNO__ILLEGAL_STRING_CMP; return 0; } } -static int test_op(struct event_format *event, - struct filter_arg *arg, struct pevent_record *record) +static int test_op(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err) { switch (arg->op.type) { case FILTER_OP_AND: - return test_filter(event, arg->op.left, record) && - test_filter(event, arg->op.right, record); + return test_filter(event, arg->op.left, record, err) && + test_filter(event, arg->op.right, record, err); case FILTER_OP_OR: - return test_filter(event, arg->op.left, record) || - test_filter(event, arg->op.right, record); + return test_filter(event, arg->op.left, record, err) || + test_filter(event, arg->op.right, record, err); case FILTER_OP_NOT: - return !test_filter(event, arg->op.right, record); + return !test_filter(event, arg->op.right, record, err); default: - /* ?? */ + if (!*err) + *err = PEVENT_ERRNO__INVALID_OP_TYPE; return 0; } } -static int test_filter(struct event_format *event, - struct filter_arg *arg, struct pevent_record *record) +static int test_filter(struct event_format *event, struct filter_arg *arg, + struct pevent_record *record, enum pevent_errno *err) { + if (*err) { + /* + * There was an error, no need to process anymore. + */ + return 0; + } + switch (arg->type) { case FILTER_ARG_BOOLEAN: /* easy case */ return arg->boolean.value; case FILTER_ARG_OP: - return test_op(event, arg, record); + return test_op(event, arg, record, err); case FILTER_ARG_NUM: - return test_num(event, arg, record); + return test_num(event, arg, record, err); case FILTER_ARG_STR: - return test_str(event, arg, record); + return test_str(event, arg, record, err); case FILTER_ARG_EXP: case FILTER_ARG_VALUE: @@ -1831,11 +1985,11 @@ static int test_filter(struct event_format *event, * Expressions, fields and values evaluate * to true if they return non zero */ - return !!get_arg_value(event, arg, record); + return !!get_arg_value(event, arg, record, err); default: - die("oops!"); - /* ?? */ + if (!*err) + *err = PEVENT_ERRNO__INVALID_ARG_TYPE; return 0; } } @@ -1848,8 +2002,7 @@ static int test_filter(struct event_format *event, * Returns 1 if filter found for @event_id * otherwise 0; */ -int pevent_event_filtered(struct event_filter *filter, - int event_id) +int pevent_event_filtered(struct event_filter *filter, int event_id) { struct filter_type *filter_type; @@ -1866,31 +2019,38 @@ int pevent_event_filtered(struct event_filter *filter, * @filter: filter struct with filter information * @record: the record to test against the filter * - * Returns: - * 1 - filter found for event and @record matches - * 0 - filter found for event and @record does not match - * -1 - no filter found for @record's event - * -2 - if no filters exist + * Returns: match result or error code (prefixed with PEVENT_ERRNO__) + * FILTER_MATCH - filter found for event and @record matches + * FILTER_MISS - filter found for event and @record does not match + * FILTER_NOT_FOUND - no filter found for @record's event + * NO_FILTER - if no filters exist + * otherwise - error occurred during test */ -int pevent_filter_match(struct event_filter *filter, - struct pevent_record *record) +enum pevent_errno pevent_filter_match(struct event_filter *filter, + struct pevent_record *record) { struct pevent *pevent = filter->pevent; struct filter_type *filter_type; int event_id; + int ret; + enum pevent_errno err = 0; + + filter_init_error_buf(filter); if (!filter->filters) - return FILTER_NONE; + return PEVENT_ERRNO__NO_FILTER; event_id = pevent_data_type(pevent, record); filter_type = find_filter_type(filter, event_id); - if (!filter_type) - return FILTER_NOEXIST; + return PEVENT_ERRNO__FILTER_NOT_FOUND; + + ret = test_filter(filter_type->event, filter_type->filter, record, &err); + if (err) + return err; - return test_filter(filter_type->event, filter_type->filter, record) ? - FILTER_MATCH : FILTER_MISS; + return ret ? PEVENT_ERRNO__FILTER_MATCH : PEVENT_ERRNO__FILTER_MISS; } static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) @@ -1902,7 +2062,6 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) int left_val = -1; int right_val = -1; int val; - int len; switch (arg->op.type) { case FILTER_OP_AND: @@ -1949,11 +2108,7 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) default: break; } - str = malloc_or_die(6); - if (val) - strcpy(str, "TRUE"); - else - strcpy(str, "FALSE"); + asprintf(&str, val ? "TRUE" : "FALSE"); break; } } @@ -1971,10 +2126,7 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) break; } - len = strlen(left) + strlen(right) + strlen(op) + 10; - str = malloc_or_die(len); - snprintf(str, len, "(%s) %s (%s)", - left, op, right); + asprintf(&str, "(%s) %s (%s)", left, op, right); break; case FILTER_OP_NOT: @@ -1990,16 +2142,10 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) right_val = 0; if (right_val >= 0) { /* just return the opposite */ - str = malloc_or_die(6); - if (right_val) - strcpy(str, "FALSE"); - else - strcpy(str, "TRUE"); + asprintf(&str, right_val ? "FALSE" : "TRUE"); break; } - len = strlen(right) + strlen(op) + 3; - str = malloc_or_die(len); - snprintf(str, len, "%s(%s)", op, right); + asprintf(&str, "%s(%s)", op, right); break; default: @@ -2013,11 +2159,9 @@ static char *op_to_str(struct event_filter *filter, struct filter_arg *arg) static char *val_to_str(struct event_filter *filter, struct filter_arg *arg) { - char *str; - - str = malloc_or_die(30); + char *str = NULL; - snprintf(str, 30, "%lld", arg->value.val); + asprintf(&str, "%lld", arg->value.val); return str; } @@ -2033,7 +2177,6 @@ static char *exp_to_str(struct event_filter *filter, struct filter_arg *arg) char *rstr; char *op; char *str = NULL; - int len; lstr = arg_to_str(filter, arg->exp.left); rstr = arg_to_str(filter, arg->exp.right); @@ -2072,12 +2215,11 @@ static char *exp_to_str(struct event_filter *filter, struct filter_arg *arg) op = "^"; break; default: - die("oops in exp"); + op = "[ERROR IN EXPRESSION TYPE]"; + break; } - len = strlen(op) + strlen(lstr) + strlen(rstr) + 4; - str = malloc_or_die(len); - snprintf(str, len, "%s %s %s", lstr, op, rstr); + asprintf(&str, "%s %s %s", lstr, op, rstr); out: free(lstr); free(rstr); @@ -2091,7 +2233,6 @@ static char *num_to_str(struct event_filter *filter, struct filter_arg *arg) char *rstr; char *str = NULL; char *op = NULL; - int len; lstr = arg_to_str(filter, arg->num.left); rstr = arg_to_str(filter, arg->num.right); @@ -2122,10 +2263,7 @@ static char *num_to_str(struct event_filter *filter, struct filter_arg *arg) if (!op) op = "<="; - len = strlen(lstr) + strlen(op) + strlen(rstr) + 4; - str = malloc_or_die(len); - sprintf(str, "%s %s %s", lstr, op, rstr); - + asprintf(&str, "%s %s %s", lstr, op, rstr); break; default: @@ -2143,7 +2281,6 @@ static char *str_to_str(struct event_filter *filter, struct filter_arg *arg) { char *str = NULL; char *op = NULL; - int len; switch (arg->str.type) { case FILTER_CMP_MATCH: @@ -2161,12 +2298,8 @@ static char *str_to_str(struct event_filter *filter, struct filter_arg *arg) if (!op) op = "!~"; - len = strlen(arg->str.field->name) + strlen(op) + - strlen(arg->str.val) + 6; - str = malloc_or_die(len); - snprintf(str, len, "%s %s \"%s\"", - arg->str.field->name, - op, arg->str.val); + asprintf(&str, "%s %s \"%s\"", + arg->str.field->name, op, arg->str.val); break; default: @@ -2178,15 +2311,11 @@ static char *str_to_str(struct event_filter *filter, struct filter_arg *arg) static char *arg_to_str(struct event_filter *filter, struct filter_arg *arg) { - char *str; + char *str = NULL; switch (arg->type) { case FILTER_ARG_BOOLEAN: - str = malloc_or_die(6); - if (arg->boolean.value) - strcpy(str, "TRUE"); - else - strcpy(str, "FALSE"); + asprintf(&str, arg->boolean.value ? "TRUE" : "FALSE"); return str; case FILTER_ARG_OP: @@ -2221,7 +2350,7 @@ static char *arg_to_str(struct event_filter *filter, struct filter_arg *arg) * * Returns a string that displays the filter contents. * This string must be freed with free(str). - * NULL is returned if no filter is found. + * NULL is returned if no filter is found or allocation failed. */ char * pevent_filter_make_string(struct event_filter *filter, int event_id) diff --git a/tools/lib/traceevent/parse-utils.c b/tools/lib/traceevent/parse-utils.c index bba701cf10e..eda07fa31dc 100644 --- a/tools/lib/traceevent/parse-utils.c +++ b/tools/lib/traceevent/parse-utils.c @@ -25,40 +25,6 @@ #define __weak __attribute__((weak)) -void __vdie(const char *fmt, va_list ap) -{ - int ret = errno; - - if (errno) - perror("trace-cmd"); - else - ret = -1; - - fprintf(stderr, " "); - vfprintf(stderr, fmt, ap); - - fprintf(stderr, "\n"); - exit(ret); -} - -void __die(const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - __vdie(fmt, ap); - va_end(ap); -} - -void __weak die(const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - __vdie(fmt, ap); - va_end(ap); -} - void __vwarning(const char *fmt, va_list ap) { if (errno) @@ -117,13 +83,3 @@ void __weak pr_stat(const char *fmt, ...) __vpr_stat(fmt, ap); va_end(ap); } - -void __weak *malloc_or_die(unsigned int size) -{ - void *data; - - data = malloc(size); - if (!data) - die("malloc"); - return data; -} diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c new file mode 100644 index 00000000000..c066b25905f --- /dev/null +++ b/tools/lib/traceevent/plugin_cfg80211.c @@ -0,0 +1,30 @@ +#include <stdio.h> +#include <string.h> +#include <inttypes.h> +#include <endian.h> +#include "event-parse.h" + +static unsigned long long +process___le16_to_cpup(struct trace_seq *s, + unsigned long long *args) +{ + uint16_t *val = (uint16_t *) (unsigned long) args[0]; + return val ? (long long) le16toh(*val) : 0; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_print_function(pevent, + process___le16_to_cpup, + PEVENT_FUNC_ARG_INT, + "__le16_to_cpup", + PEVENT_FUNC_ARG_PTR, + PEVENT_FUNC_ARG_VOID); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_print_function(pevent, process___le16_to_cpup, + "__le16_to_cpup"); +} diff --git a/tools/lib/traceevent/plugin_function.c b/tools/lib/traceevent/plugin_function.c new file mode 100644 index 00000000000..a00ec190821 --- /dev/null +++ b/tools/lib/traceevent/plugin_function.c @@ -0,0 +1,194 @@ +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" +#include "event-utils.h" + +static struct func_stack { + int size; + char **stack; +} *fstack; + +static int cpus = -1; + +#define STK_BLK 10 + +struct pevent_plugin_option plugin_options[] = +{ + { + .name = "parent", + .plugin_alias = "ftrace", + .description = + "Print parent of functions for function events", + }, + { + .name = "indent", + .plugin_alias = "ftrace", + .description = + "Try to show function call indents, based on parents", + .set = 1, + }, + { + .name = NULL, + } +}; + +static struct pevent_plugin_option *ftrace_parent = &plugin_options[0]; +static struct pevent_plugin_option *ftrace_indent = &plugin_options[1]; + +static void add_child(struct func_stack *stack, const char *child, int pos) +{ + int i; + + if (!child) + return; + + if (pos < stack->size) + free(stack->stack[pos]); + else { + char **ptr; + + ptr = realloc(stack->stack, sizeof(char *) * + (stack->size + STK_BLK)); + if (!ptr) { + warning("could not allocate plugin memory\n"); + return; + } + + stack->stack = ptr; + + for (i = stack->size; i < stack->size + STK_BLK; i++) + stack->stack[i] = NULL; + stack->size += STK_BLK; + } + + stack->stack[pos] = strdup(child); +} + +static int add_and_get_index(const char *parent, const char *child, int cpu) +{ + int i; + + if (cpu < 0) + return 0; + + if (cpu > cpus) { + struct func_stack *ptr; + + ptr = realloc(fstack, sizeof(*fstack) * (cpu + 1)); + if (!ptr) { + warning("could not allocate plugin memory\n"); + return 0; + } + + fstack = ptr; + + /* Account for holes in the cpu count */ + for (i = cpus + 1; i <= cpu; i++) + memset(&fstack[i], 0, sizeof(fstack[i])); + cpus = cpu; + } + + for (i = 0; i < fstack[cpu].size && fstack[cpu].stack[i]; i++) { + if (strcmp(parent, fstack[cpu].stack[i]) == 0) { + add_child(&fstack[cpu], child, i+1); + return i; + } + } + + /* Not found */ + add_child(&fstack[cpu], parent, 0); + add_child(&fstack[cpu], child, 1); + return 0; +} + +static int function_handler(struct trace_seq *s, struct pevent_record *record, + struct event_format *event, void *context) +{ + struct pevent *pevent = event->pevent; + unsigned long long function; + unsigned long long pfunction; + const char *func; + const char *parent; + int index; + + if (pevent_get_field_val(s, event, "ip", record, &function, 1)) + return trace_seq_putc(s, '!'); + + func = pevent_find_function(pevent, function); + + if (pevent_get_field_val(s, event, "parent_ip", record, &pfunction, 1)) + return trace_seq_putc(s, '!'); + + parent = pevent_find_function(pevent, pfunction); + + if (parent && ftrace_indent->set) + index = add_and_get_index(parent, func, record->cpu); + + trace_seq_printf(s, "%*s", index*3, ""); + + if (func) + trace_seq_printf(s, "%s", func); + else + trace_seq_printf(s, "0x%llx", function); + + if (ftrace_parent->set) { + trace_seq_printf(s, " <-- "); + if (parent) + trace_seq_printf(s, "%s", parent); + else + trace_seq_printf(s, "0x%llx", pfunction); + } + + return 0; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_event_handler(pevent, -1, "ftrace", "function", + function_handler, NULL); + + traceevent_plugin_add_options("ftrace", plugin_options); + + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + int i, x; + + pevent_unregister_event_handler(pevent, -1, "ftrace", "function", + function_handler, NULL); + + for (i = 0; i <= cpus; i++) { + for (x = 0; x < fstack[i].size && fstack[i].stack[x]; x++) + free(fstack[i].stack[x]); + free(fstack[i].stack); + } + + traceevent_plugin_remove_options(plugin_options); + + free(fstack); + fstack = NULL; + cpus = -1; +} diff --git a/tools/lib/traceevent/plugin_hrtimer.c b/tools/lib/traceevent/plugin_hrtimer.c new file mode 100644 index 00000000000..12bf14cc115 --- /dev/null +++ b/tools/lib/traceevent/plugin_hrtimer.c @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" + +static int timer_expire_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + trace_seq_printf(s, "hrtimer="); + + if (pevent_print_num_field(s, "0x%llx", event, "timer", + record, 0) == -1) + pevent_print_num_field(s, "0x%llx", event, "hrtimer", + record, 1); + + trace_seq_printf(s, " now="); + + pevent_print_num_field(s, "%llu", event, "now", record, 1); + + pevent_print_func_field(s, " function=%s", event, "function", + record, 0); + return 0; +} + +static int timer_start_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + trace_seq_printf(s, "hrtimer="); + + if (pevent_print_num_field(s, "0x%llx", event, "timer", + record, 0) == -1) + pevent_print_num_field(s, "0x%llx", event, "hrtimer", + record, 1); + + pevent_print_func_field(s, " function=%s", event, "function", + record, 0); + + trace_seq_printf(s, " expires="); + pevent_print_num_field(s, "%llu", event, "expires", record, 1); + + trace_seq_printf(s, " softexpires="); + pevent_print_num_field(s, "%llu", event, "softexpires", record, 1); + return 0; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_event_handler(pevent, -1, + "timer", "hrtimer_expire_entry", + timer_expire_handler, NULL); + + pevent_register_event_handler(pevent, -1, "timer", "hrtimer_start", + timer_start_handler, NULL); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, + "timer", "hrtimer_expire_entry", + timer_expire_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "timer", "hrtimer_start", + timer_start_handler, NULL); +} diff --git a/tools/lib/traceevent/plugin_jbd2.c b/tools/lib/traceevent/plugin_jbd2.c new file mode 100644 index 00000000000..0db714c721b --- /dev/null +++ b/tools/lib/traceevent/plugin_jbd2.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" + +#define MINORBITS 20 +#define MINORMASK ((1U << MINORBITS) - 1) + +#define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS)) +#define MINOR(dev) ((unsigned int) ((dev) & MINORMASK)) + +static unsigned long long +process_jbd2_dev_to_name(struct trace_seq *s, + unsigned long long *args) +{ + unsigned int dev = args[0]; + + trace_seq_printf(s, "%d:%d", MAJOR(dev), MINOR(dev)); + return 0; +} + +static unsigned long long +process_jiffies_to_msecs(struct trace_seq *s, + unsigned long long *args) +{ + unsigned long long jiffies = args[0]; + + trace_seq_printf(s, "%lld", jiffies); + return jiffies; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_print_function(pevent, + process_jbd2_dev_to_name, + PEVENT_FUNC_ARG_STRING, + "jbd2_dev_to_name", + PEVENT_FUNC_ARG_INT, + PEVENT_FUNC_ARG_VOID); + + pevent_register_print_function(pevent, + process_jiffies_to_msecs, + PEVENT_FUNC_ARG_LONG, + "jiffies_to_msecs", + PEVENT_FUNC_ARG_LONG, + PEVENT_FUNC_ARG_VOID); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_print_function(pevent, process_jbd2_dev_to_name, + "jbd2_dev_to_name"); + + pevent_unregister_print_function(pevent, process_jiffies_to_msecs, + "jiffies_to_msecs"); +} diff --git a/tools/lib/traceevent/plugin_kmem.c b/tools/lib/traceevent/plugin_kmem.c new file mode 100644 index 00000000000..70650ff48d7 --- /dev/null +++ b/tools/lib/traceevent/plugin_kmem.c @@ -0,0 +1,94 @@ +/* + * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" + +static int call_site_handler(struct trace_seq *s, struct pevent_record *record, + struct event_format *event, void *context) +{ + struct format_field *field; + unsigned long long val, addr; + void *data = record->data; + const char *func; + + field = pevent_find_field(event, "call_site"); + if (!field) + return 1; + + if (pevent_read_number_field(field, data, &val)) + return 1; + + func = pevent_find_function(event->pevent, val); + if (!func) + return 1; + + addr = pevent_find_function_address(event->pevent, val); + + trace_seq_printf(s, "(%s+0x%x) ", func, (int)(val - addr)); + return 1; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_event_handler(pevent, -1, "kmem", "kfree", + call_site_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kmem", "kmalloc", + call_site_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kmem", "kmalloc_node", + call_site_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kmem", "kmem_cache_alloc", + call_site_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kmem", + "kmem_cache_alloc_node", + call_site_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kmem", "kmem_cache_free", + call_site_handler, NULL); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, "kmem", "kfree", + call_site_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kmem", "kmalloc", + call_site_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kmem", "kmalloc_node", + call_site_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kmem", "kmem_cache_alloc", + call_site_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kmem", + "kmem_cache_alloc_node", + call_site_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kmem", "kmem_cache_free", + call_site_handler, NULL); +} diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c new file mode 100644 index 00000000000..9e0e8c61b43 --- /dev/null +++ b/tools/lib/traceevent/plugin_kvm.c @@ -0,0 +1,465 @@ +/* + * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> + +#include "event-parse.h" + +#ifdef HAVE_UDIS86 + +#include <udis86.h> + +static ud_t ud; + +static void init_disassembler(void) +{ + ud_init(&ud); + ud_set_syntax(&ud, UD_SYN_ATT); +} + +static const char *disassemble(unsigned char *insn, int len, uint64_t rip, + int cr0_pe, int eflags_vm, + int cs_d, int cs_l) +{ + int mode; + + if (!cr0_pe) + mode = 16; + else if (eflags_vm) + mode = 16; + else if (cs_l) + mode = 64; + else if (cs_d) + mode = 32; + else + mode = 16; + + ud_set_pc(&ud, rip); + ud_set_mode(&ud, mode); + ud_set_input_buffer(&ud, insn, len); + ud_disassemble(&ud); + return ud_insn_asm(&ud); +} + +#else + +static void init_disassembler(void) +{ +} + +static const char *disassemble(unsigned char *insn, int len, uint64_t rip, + int cr0_pe, int eflags_vm, + int cs_d, int cs_l) +{ + static char out[15*3+1]; + int i; + + for (i = 0; i < len; ++i) + sprintf(out + i * 3, "%02x ", insn[i]); + out[len*3-1] = '\0'; + return out; +} + +#endif + + +#define VMX_EXIT_REASONS \ + _ER(EXCEPTION_NMI, 0) \ + _ER(EXTERNAL_INTERRUPT, 1) \ + _ER(TRIPLE_FAULT, 2) \ + _ER(PENDING_INTERRUPT, 7) \ + _ER(NMI_WINDOW, 8) \ + _ER(TASK_SWITCH, 9) \ + _ER(CPUID, 10) \ + _ER(HLT, 12) \ + _ER(INVD, 13) \ + _ER(INVLPG, 14) \ + _ER(RDPMC, 15) \ + _ER(RDTSC, 16) \ + _ER(VMCALL, 18) \ + _ER(VMCLEAR, 19) \ + _ER(VMLAUNCH, 20) \ + _ER(VMPTRLD, 21) \ + _ER(VMPTRST, 22) \ + _ER(VMREAD, 23) \ + _ER(VMRESUME, 24) \ + _ER(VMWRITE, 25) \ + _ER(VMOFF, 26) \ + _ER(VMON, 27) \ + _ER(CR_ACCESS, 28) \ + _ER(DR_ACCESS, 29) \ + _ER(IO_INSTRUCTION, 30) \ + _ER(MSR_READ, 31) \ + _ER(MSR_WRITE, 32) \ + _ER(MWAIT_INSTRUCTION, 36) \ + _ER(MONITOR_INSTRUCTION, 39) \ + _ER(PAUSE_INSTRUCTION, 40) \ + _ER(MCE_DURING_VMENTRY, 41) \ + _ER(TPR_BELOW_THRESHOLD, 43) \ + _ER(APIC_ACCESS, 44) \ + _ER(EOI_INDUCED, 45) \ + _ER(EPT_VIOLATION, 48) \ + _ER(EPT_MISCONFIG, 49) \ + _ER(INVEPT, 50) \ + _ER(PREEMPTION_TIMER, 52) \ + _ER(WBINVD, 54) \ + _ER(XSETBV, 55) \ + _ER(APIC_WRITE, 56) \ + _ER(INVPCID, 58) + +#define SVM_EXIT_REASONS \ + _ER(EXIT_READ_CR0, 0x000) \ + _ER(EXIT_READ_CR3, 0x003) \ + _ER(EXIT_READ_CR4, 0x004) \ + _ER(EXIT_READ_CR8, 0x008) \ + _ER(EXIT_WRITE_CR0, 0x010) \ + _ER(EXIT_WRITE_CR3, 0x013) \ + _ER(EXIT_WRITE_CR4, 0x014) \ + _ER(EXIT_WRITE_CR8, 0x018) \ + _ER(EXIT_READ_DR0, 0x020) \ + _ER(EXIT_READ_DR1, 0x021) \ + _ER(EXIT_READ_DR2, 0x022) \ + _ER(EXIT_READ_DR3, 0x023) \ + _ER(EXIT_READ_DR4, 0x024) \ + _ER(EXIT_READ_DR5, 0x025) \ + _ER(EXIT_READ_DR6, 0x026) \ + _ER(EXIT_READ_DR7, 0x027) \ + _ER(EXIT_WRITE_DR0, 0x030) \ + _ER(EXIT_WRITE_DR1, 0x031) \ + _ER(EXIT_WRITE_DR2, 0x032) \ + _ER(EXIT_WRITE_DR3, 0x033) \ + _ER(EXIT_WRITE_DR4, 0x034) \ + _ER(EXIT_WRITE_DR5, 0x035) \ + _ER(EXIT_WRITE_DR6, 0x036) \ + _ER(EXIT_WRITE_DR7, 0x037) \ + _ER(EXIT_EXCP_BASE, 0x040) \ + _ER(EXIT_INTR, 0x060) \ + _ER(EXIT_NMI, 0x061) \ + _ER(EXIT_SMI, 0x062) \ + _ER(EXIT_INIT, 0x063) \ + _ER(EXIT_VINTR, 0x064) \ + _ER(EXIT_CR0_SEL_WRITE, 0x065) \ + _ER(EXIT_IDTR_READ, 0x066) \ + _ER(EXIT_GDTR_READ, 0x067) \ + _ER(EXIT_LDTR_READ, 0x068) \ + _ER(EXIT_TR_READ, 0x069) \ + _ER(EXIT_IDTR_WRITE, 0x06a) \ + _ER(EXIT_GDTR_WRITE, 0x06b) \ + _ER(EXIT_LDTR_WRITE, 0x06c) \ + _ER(EXIT_TR_WRITE, 0x06d) \ + _ER(EXIT_RDTSC, 0x06e) \ + _ER(EXIT_RDPMC, 0x06f) \ + _ER(EXIT_PUSHF, 0x070) \ + _ER(EXIT_POPF, 0x071) \ + _ER(EXIT_CPUID, 0x072) \ + _ER(EXIT_RSM, 0x073) \ + _ER(EXIT_IRET, 0x074) \ + _ER(EXIT_SWINT, 0x075) \ + _ER(EXIT_INVD, 0x076) \ + _ER(EXIT_PAUSE, 0x077) \ + _ER(EXIT_HLT, 0x078) \ + _ER(EXIT_INVLPG, 0x079) \ + _ER(EXIT_INVLPGA, 0x07a) \ + _ER(EXIT_IOIO, 0x07b) \ + _ER(EXIT_MSR, 0x07c) \ + _ER(EXIT_TASK_SWITCH, 0x07d) \ + _ER(EXIT_FERR_FREEZE, 0x07e) \ + _ER(EXIT_SHUTDOWN, 0x07f) \ + _ER(EXIT_VMRUN, 0x080) \ + _ER(EXIT_VMMCALL, 0x081) \ + _ER(EXIT_VMLOAD, 0x082) \ + _ER(EXIT_VMSAVE, 0x083) \ + _ER(EXIT_STGI, 0x084) \ + _ER(EXIT_CLGI, 0x085) \ + _ER(EXIT_SKINIT, 0x086) \ + _ER(EXIT_RDTSCP, 0x087) \ + _ER(EXIT_ICEBP, 0x088) \ + _ER(EXIT_WBINVD, 0x089) \ + _ER(EXIT_MONITOR, 0x08a) \ + _ER(EXIT_MWAIT, 0x08b) \ + _ER(EXIT_MWAIT_COND, 0x08c) \ + _ER(EXIT_NPF, 0x400) \ + _ER(EXIT_ERR, -1) + +#define _ER(reason, val) { #reason, val }, +struct str_values { + const char *str; + int val; +}; + +static struct str_values vmx_exit_reasons[] = { + VMX_EXIT_REASONS + { NULL, -1} +}; + +static struct str_values svm_exit_reasons[] = { + SVM_EXIT_REASONS + { NULL, -1} +}; + +static struct isa_exit_reasons { + unsigned isa; + struct str_values *strings; +} isa_exit_reasons[] = { + { .isa = 1, .strings = vmx_exit_reasons }, + { .isa = 2, .strings = svm_exit_reasons }, + { } +}; + +static const char *find_exit_reason(unsigned isa, int val) +{ + struct str_values *strings = NULL; + int i; + + for (i = 0; isa_exit_reasons[i].strings; ++i) + if (isa_exit_reasons[i].isa == isa) { + strings = isa_exit_reasons[i].strings; + break; + } + if (!strings) + return "UNKNOWN-ISA"; + for (i = 0; strings[i].val >= 0; i++) + if (strings[i].val == val) + break; + if (strings[i].str) + return strings[i].str; + return "UNKNOWN"; +} + +static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record, + struct event_format *event, void *context) +{ + unsigned long long isa; + unsigned long long val; + unsigned long long info1 = 0, info2 = 0; + + if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0) + return -1; + + if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0) + isa = 1; + + trace_seq_printf(s, "reason %s", find_exit_reason(isa, val)); + + pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1); + + if (pevent_get_field_val(s, event, "info1", record, &info1, 0) >= 0 + && pevent_get_field_val(s, event, "info2", record, &info2, 0) >= 0) + trace_seq_printf(s, " info %llx %llx", info1, info2); + + return 0; +} + +#define KVM_EMUL_INSN_F_CR0_PE (1 << 0) +#define KVM_EMUL_INSN_F_EFL_VM (1 << 1) +#define KVM_EMUL_INSN_F_CS_D (1 << 2) +#define KVM_EMUL_INSN_F_CS_L (1 << 3) + +static int kvm_emulate_insn_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + unsigned long long rip, csbase, len, flags, failed; + int llen; + uint8_t *insn; + const char *disasm; + + if (pevent_get_field_val(s, event, "rip", record, &rip, 1) < 0) + return -1; + + if (pevent_get_field_val(s, event, "csbase", record, &csbase, 1) < 0) + return -1; + + if (pevent_get_field_val(s, event, "len", record, &len, 1) < 0) + return -1; + + if (pevent_get_field_val(s, event, "flags", record, &flags, 1) < 0) + return -1; + + if (pevent_get_field_val(s, event, "failed", record, &failed, 1) < 0) + return -1; + + insn = pevent_get_field_raw(s, event, "insn", record, &llen, 1); + if (!insn) + return -1; + + disasm = disassemble(insn, len, rip, + flags & KVM_EMUL_INSN_F_CR0_PE, + flags & KVM_EMUL_INSN_F_EFL_VM, + flags & KVM_EMUL_INSN_F_CS_D, + flags & KVM_EMUL_INSN_F_CS_L); + + trace_seq_printf(s, "%llx:%llx: %s%s", csbase, rip, disasm, + failed ? " FAIL" : ""); + return 0; +} + +union kvm_mmu_page_role { + unsigned word; + struct { + unsigned glevels:4; + unsigned level:4; + unsigned quadrant:2; + unsigned pad_for_nice_hex_output:6; + unsigned direct:1; + unsigned access:3; + unsigned invalid:1; + unsigned cr4_pge:1; + unsigned nxe:1; + }; +}; + +static int kvm_mmu_print_role(struct trace_seq *s, struct pevent_record *record, + struct event_format *event, void *context) +{ + unsigned long long val; + static const char *access_str[] = { + "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" + }; + union kvm_mmu_page_role role; + + if (pevent_get_field_val(s, event, "role", record, &val, 1) < 0) + return -1; + + role.word = (int)val; + + /* + * We can only use the structure if file is of the same + * endianess. + */ + if (pevent_is_file_bigendian(event->pevent) == + pevent_is_host_bigendian(event->pevent)) { + + trace_seq_printf(s, "%u/%u q%u%s %s%s %spge %snxe", + role.level, + role.glevels, + role.quadrant, + role.direct ? " direct" : "", + access_str[role.access], + role.invalid ? " invalid" : "", + role.cr4_pge ? "" : "!", + role.nxe ? "" : "!"); + } else + trace_seq_printf(s, "WORD: %08x", role.word); + + pevent_print_num_field(s, " root %u ", event, + "root_count", record, 1); + + if (pevent_get_field_val(s, event, "unsync", record, &val, 1) < 0) + return -1; + + trace_seq_printf(s, "%s%c", val ? "unsync" : "sync", 0); + return 0; +} + +static int kvm_mmu_get_page_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + unsigned long long val; + + if (pevent_get_field_val(s, event, "created", record, &val, 1) < 0) + return -1; + + trace_seq_printf(s, "%s ", val ? "new" : "existing"); + + if (pevent_get_field_val(s, event, "gfn", record, &val, 1) < 0) + return -1; + + trace_seq_printf(s, "sp gfn %llx ", val); + return kvm_mmu_print_role(s, record, event, context); +} + +#define PT_WRITABLE_SHIFT 1 +#define PT_WRITABLE_MASK (1ULL << PT_WRITABLE_SHIFT) + +static unsigned long long +process_is_writable_pte(struct trace_seq *s, unsigned long long *args) +{ + unsigned long pte = args[0]; + return pte & PT_WRITABLE_MASK; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + init_disassembler(); + + pevent_register_event_handler(pevent, -1, "kvm", "kvm_exit", + kvm_exit_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kvm", "kvm_emulate_insn", + kvm_emulate_insn_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_get_page", + kvm_mmu_get_page_handler, NULL); + + pevent_register_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_sync_page", + kvm_mmu_print_role, NULL); + + pevent_register_event_handler(pevent, -1, + "kvmmmu", "kvm_mmu_unsync_page", + kvm_mmu_print_role, NULL); + + pevent_register_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_zap_page", + kvm_mmu_print_role, NULL); + + pevent_register_event_handler(pevent, -1, "kvmmmu", + "kvm_mmu_prepare_zap_page", kvm_mmu_print_role, + NULL); + + pevent_register_print_function(pevent, + process_is_writable_pte, + PEVENT_FUNC_ARG_INT, + "is_writable_pte", + PEVENT_FUNC_ARG_LONG, + PEVENT_FUNC_ARG_VOID); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, "kvm", "kvm_exit", + kvm_exit_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kvm", "kvm_emulate_insn", + kvm_emulate_insn_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_get_page", + kvm_mmu_get_page_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_sync_page", + kvm_mmu_print_role, NULL); + + pevent_unregister_event_handler(pevent, -1, + "kvmmmu", "kvm_mmu_unsync_page", + kvm_mmu_print_role, NULL); + + pevent_unregister_event_handler(pevent, -1, "kvmmmu", "kvm_mmu_zap_page", + kvm_mmu_print_role, NULL); + + pevent_unregister_event_handler(pevent, -1, "kvmmmu", + "kvm_mmu_prepare_zap_page", kvm_mmu_print_role, + NULL); + + pevent_unregister_print_function(pevent, process_is_writable_pte, + "is_writable_pte"); +} diff --git a/tools/lib/traceevent/plugin_mac80211.c b/tools/lib/traceevent/plugin_mac80211.c new file mode 100644 index 00000000000..7e15a0f1c2f --- /dev/null +++ b/tools/lib/traceevent/plugin_mac80211.c @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" + +#define INDENT 65 + +static void print_string(struct trace_seq *s, struct event_format *event, + const char *name, const void *data) +{ + struct format_field *f = pevent_find_field(event, name); + int offset; + int length; + + if (!f) { + trace_seq_printf(s, "NOTFOUND:%s", name); + return; + } + + offset = f->offset; + length = f->size; + + if (!strncmp(f->type, "__data_loc", 10)) { + unsigned long long v; + if (pevent_read_number_field(f, data, &v)) { + trace_seq_printf(s, "invalid_data_loc"); + return; + } + offset = v & 0xffff; + length = v >> 16; + } + + trace_seq_printf(s, "%.*s", length, (char *)data + offset); +} + +#define SF(fn) pevent_print_num_field(s, fn ":%d", event, fn, record, 0) +#define SFX(fn) pevent_print_num_field(s, fn ":%#x", event, fn, record, 0) +#define SP() trace_seq_putc(s, ' ') + +static int drv_bss_info_changed(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + void *data = record->data; + + print_string(s, event, "wiphy_name", data); + trace_seq_printf(s, " vif:"); + print_string(s, event, "vif_name", data); + pevent_print_num_field(s, "(%d)", event, "vif_type", record, 1); + + trace_seq_printf(s, "\n%*s", INDENT, ""); + SF("assoc"); SP(); + SF("aid"); SP(); + SF("cts"); SP(); + SF("shortpre"); SP(); + SF("shortslot"); SP(); + SF("dtimper"); SP(); + trace_seq_printf(s, "\n%*s", INDENT, ""); + SF("bcnint"); SP(); + SFX("assoc_cap"); SP(); + SFX("basic_rates"); SP(); + SF("enable_beacon"); + trace_seq_printf(s, "\n%*s", INDENT, ""); + SF("ht_operation_mode"); + + return 0; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_event_handler(pevent, -1, "mac80211", + "drv_bss_info_changed", + drv_bss_info_changed, NULL); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, "mac80211", + "drv_bss_info_changed", + drv_bss_info_changed, NULL); +} diff --git a/tools/lib/traceevent/plugin_sched_switch.c b/tools/lib/traceevent/plugin_sched_switch.c new file mode 100644 index 00000000000..f1ce6006525 --- /dev/null +++ b/tools/lib/traceevent/plugin_sched_switch.c @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "event-parse.h" + +static void write_state(struct trace_seq *s, int val) +{ + const char states[] = "SDTtZXxW"; + int found = 0; + int i; + + for (i = 0; i < (sizeof(states) - 1); i++) { + if (!(val & (1 << i))) + continue; + + if (found) + trace_seq_putc(s, '|'); + + found = 1; + trace_seq_putc(s, states[i]); + } + + if (!found) + trace_seq_putc(s, 'R'); +} + +static void write_and_save_comm(struct format_field *field, + struct pevent_record *record, + struct trace_seq *s, int pid) +{ + const char *comm; + int len; + + comm = (char *)(record->data + field->offset); + len = s->len; + trace_seq_printf(s, "%.*s", + field->size, comm); + + /* make sure the comm has a \0 at the end. */ + trace_seq_terminate(s); + comm = &s->buffer[len]; + + /* Help out the comm to ids. This will handle dups */ + pevent_register_comm(field->event->pevent, comm, pid); +} + +static int sched_wakeup_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + struct format_field *field; + unsigned long long val; + + if (pevent_get_field_val(s, event, "pid", record, &val, 1)) + return trace_seq_putc(s, '!'); + + field = pevent_find_any_field(event, "comm"); + if (field) { + write_and_save_comm(field, record, s, val); + trace_seq_putc(s, ':'); + } + trace_seq_printf(s, "%lld", val); + + if (pevent_get_field_val(s, event, "prio", record, &val, 0) == 0) + trace_seq_printf(s, " [%lld]", val); + + if (pevent_get_field_val(s, event, "success", record, &val, 1) == 0) + trace_seq_printf(s, " success=%lld", val); + + if (pevent_get_field_val(s, event, "target_cpu", record, &val, 0) == 0) + trace_seq_printf(s, " CPU:%03llu", val); + + return 0; +} + +static int sched_switch_handler(struct trace_seq *s, + struct pevent_record *record, + struct event_format *event, void *context) +{ + struct format_field *field; + unsigned long long val; + + if (pevent_get_field_val(s, event, "prev_pid", record, &val, 1)) + return trace_seq_putc(s, '!'); + + field = pevent_find_any_field(event, "prev_comm"); + if (field) { + write_and_save_comm(field, record, s, val); + trace_seq_putc(s, ':'); + } + trace_seq_printf(s, "%lld ", val); + + if (pevent_get_field_val(s, event, "prev_prio", record, &val, 0) == 0) + trace_seq_printf(s, "[%lld] ", val); + + if (pevent_get_field_val(s, event, "prev_state", record, &val, 0) == 0) + write_state(s, val); + + trace_seq_puts(s, " ==> "); + + if (pevent_get_field_val(s, event, "next_pid", record, &val, 1)) + return trace_seq_putc(s, '!'); + + field = pevent_find_any_field(event, "next_comm"); + if (field) { + write_and_save_comm(field, record, s, val); + trace_seq_putc(s, ':'); + } + trace_seq_printf(s, "%lld", val); + + if (pevent_get_field_val(s, event, "next_prio", record, &val, 0) == 0) + trace_seq_printf(s, " [%lld]", val); + + return 0; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_event_handler(pevent, -1, "sched", "sched_switch", + sched_switch_handler, NULL); + + pevent_register_event_handler(pevent, -1, "sched", "sched_wakeup", + sched_wakeup_handler, NULL); + + pevent_register_event_handler(pevent, -1, "sched", "sched_wakeup_new", + sched_wakeup_handler, NULL); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, "sched", "sched_switch", + sched_switch_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup", + sched_wakeup_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup_new", + sched_wakeup_handler, NULL); +} diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c new file mode 100644 index 00000000000..eda326fc862 --- /dev/null +++ b/tools/lib/traceevent/plugin_scsi.c @@ -0,0 +1,429 @@ +#include <stdio.h> +#include <string.h> +#include <inttypes.h> +#include "event-parse.h" + +typedef unsigned long sector_t; +typedef uint64_t u64; +typedef unsigned int u32; + +/* + * SCSI opcodes + */ +#define TEST_UNIT_READY 0x00 +#define REZERO_UNIT 0x01 +#define REQUEST_SENSE 0x03 +#define FORMAT_UNIT 0x04 +#define READ_BLOCK_LIMITS 0x05 +#define REASSIGN_BLOCKS 0x07 +#define INITIALIZE_ELEMENT_STATUS 0x07 +#define READ_6 0x08 +#define WRITE_6 0x0a +#define SEEK_6 0x0b +#define READ_REVERSE 0x0f +#define WRITE_FILEMARKS 0x10 +#define SPACE 0x11 +#define INQUIRY 0x12 +#define RECOVER_BUFFERED_DATA 0x14 +#define MODE_SELECT 0x15 +#define RESERVE 0x16 +#define RELEASE 0x17 +#define COPY 0x18 +#define ERASE 0x19 +#define MODE_SENSE 0x1a +#define START_STOP 0x1b +#define RECEIVE_DIAGNOSTIC 0x1c +#define SEND_DIAGNOSTIC 0x1d +#define ALLOW_MEDIUM_REMOVAL 0x1e + +#define READ_FORMAT_CAPACITIES 0x23 +#define SET_WINDOW 0x24 +#define READ_CAPACITY 0x25 +#define READ_10 0x28 +#define WRITE_10 0x2a +#define SEEK_10 0x2b +#define POSITION_TO_ELEMENT 0x2b +#define WRITE_VERIFY 0x2e +#define VERIFY 0x2f +#define SEARCH_HIGH 0x30 +#define SEARCH_EQUAL 0x31 +#define SEARCH_LOW 0x32 +#define SET_LIMITS 0x33 +#define PRE_FETCH 0x34 +#define READ_POSITION 0x34 +#define SYNCHRONIZE_CACHE 0x35 +#define LOCK_UNLOCK_CACHE 0x36 +#define READ_DEFECT_DATA 0x37 +#define MEDIUM_SCAN 0x38 +#define COMPARE 0x39 +#define COPY_VERIFY 0x3a +#define WRITE_BUFFER 0x3b +#define READ_BUFFER 0x3c +#define UPDATE_BLOCK 0x3d +#define READ_LONG 0x3e +#define WRITE_LONG 0x3f +#define CHANGE_DEFINITION 0x40 +#define WRITE_SAME 0x41 +#define UNMAP 0x42 +#define READ_TOC 0x43 +#define READ_HEADER 0x44 +#define GET_EVENT_STATUS_NOTIFICATION 0x4a +#define LOG_SELECT 0x4c +#define LOG_SENSE 0x4d +#define XDWRITEREAD_10 0x53 +#define MODE_SELECT_10 0x55 +#define RESERVE_10 0x56 +#define RELEASE_10 0x57 +#define MODE_SENSE_10 0x5a +#define PERSISTENT_RESERVE_IN 0x5e +#define PERSISTENT_RESERVE_OUT 0x5f +#define VARIABLE_LENGTH_CMD 0x7f +#define REPORT_LUNS 0xa0 +#define SECURITY_PROTOCOL_IN 0xa2 +#define MAINTENANCE_IN 0xa3 +#define MAINTENANCE_OUT 0xa4 +#define MOVE_MEDIUM 0xa5 +#define EXCHANGE_MEDIUM 0xa6 +#define READ_12 0xa8 +#define WRITE_12 0xaa +#define READ_MEDIA_SERIAL_NUMBER 0xab +#define WRITE_VERIFY_12 0xae +#define VERIFY_12 0xaf +#define SEARCH_HIGH_12 0xb0 +#define SEARCH_EQUAL_12 0xb1 +#define SEARCH_LOW_12 0xb2 +#define SECURITY_PROTOCOL_OUT 0xb5 +#define READ_ELEMENT_STATUS 0xb8 +#define SEND_VOLUME_TAG 0xb6 +#define WRITE_LONG_2 0xea +#define EXTENDED_COPY 0x83 +#define RECEIVE_COPY_RESULTS 0x84 +#define ACCESS_CONTROL_IN 0x86 +#define ACCESS_CONTROL_OUT 0x87 +#define READ_16 0x88 +#define WRITE_16 0x8a +#define READ_ATTRIBUTE 0x8c +#define WRITE_ATTRIBUTE 0x8d +#define VERIFY_16 0x8f +#define SYNCHRONIZE_CACHE_16 0x91 +#define WRITE_SAME_16 0x93 +#define SERVICE_ACTION_IN 0x9e +/* values for service action in */ +#define SAI_READ_CAPACITY_16 0x10 +#define SAI_GET_LBA_STATUS 0x12 +/* values for VARIABLE_LENGTH_CMD service action codes + * see spc4r17 Section D.3.5, table D.7 and D.8 */ +#define VLC_SA_RECEIVE_CREDENTIAL 0x1800 +/* values for maintenance in */ +#define MI_REPORT_IDENTIFYING_INFORMATION 0x05 +#define MI_REPORT_TARGET_PGS 0x0a +#define MI_REPORT_ALIASES 0x0b +#define MI_REPORT_SUPPORTED_OPERATION_CODES 0x0c +#define MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0d +#define MI_REPORT_PRIORITY 0x0e +#define MI_REPORT_TIMESTAMP 0x0f +#define MI_MANAGEMENT_PROTOCOL_IN 0x10 +/* value for MI_REPORT_TARGET_PGS ext header */ +#define MI_EXT_HDR_PARAM_FMT 0x20 +/* values for maintenance out */ +#define MO_SET_IDENTIFYING_INFORMATION 0x06 +#define MO_SET_TARGET_PGS 0x0a +#define MO_CHANGE_ALIASES 0x0b +#define MO_SET_PRIORITY 0x0e +#define MO_SET_TIMESTAMP 0x0f +#define MO_MANAGEMENT_PROTOCOL_OUT 0x10 +/* values for variable length command */ +#define XDREAD_32 0x03 +#define XDWRITE_32 0x04 +#define XPWRITE_32 0x06 +#define XDWRITEREAD_32 0x07 +#define READ_32 0x09 +#define VERIFY_32 0x0a +#define WRITE_32 0x0b +#define WRITE_SAME_32 0x0d + +#define SERVICE_ACTION16(cdb) (cdb[1] & 0x1f) +#define SERVICE_ACTION32(cdb) ((cdb[8] << 8) | cdb[9]) + +static const char * +scsi_trace_misc(struct trace_seq *, unsigned char *, int); + +static const char * +scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= ((cdb[1] & 0x1F) << 16); + lba |= (cdb[2] << 8); + lba |= cdb[3]; + txlen = cdb[4]; + + trace_seq_printf(p, "lba=%llu txlen=%llu", + (unsigned long long)lba, (unsigned long long)txlen); + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= (cdb[2] << 24); + lba |= (cdb[3] << 16); + lba |= (cdb[4] << 8); + lba |= cdb[5]; + txlen |= (cdb[7] << 8); + txlen |= cdb[8]; + + trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u", + (unsigned long long)lba, (unsigned long long)txlen, + cdb[1] >> 5); + + if (cdb[0] == WRITE_SAME) + trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1); + + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw12(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= (cdb[2] << 24); + lba |= (cdb[3] << 16); + lba |= (cdb[4] << 8); + lba |= cdb[5]; + txlen |= (cdb[6] << 24); + txlen |= (cdb[7] << 16); + txlen |= (cdb[8] << 8); + txlen |= cdb[9]; + + trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u", + (unsigned long long)lba, (unsigned long long)txlen, + cdb[1] >> 5); + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + sector_t lba = 0, txlen = 0; + + lba |= ((u64)cdb[2] << 56); + lba |= ((u64)cdb[3] << 48); + lba |= ((u64)cdb[4] << 40); + lba |= ((u64)cdb[5] << 32); + lba |= (cdb[6] << 24); + lba |= (cdb[7] << 16); + lba |= (cdb[8] << 8); + lba |= cdb[9]; + txlen |= (cdb[10] << 24); + txlen |= (cdb[11] << 16); + txlen |= (cdb[12] << 8); + txlen |= cdb[13]; + + trace_seq_printf(p, "lba=%llu txlen=%llu protect=%u", + (unsigned long long)lba, (unsigned long long)txlen, + cdb[1] >> 5); + + if (cdb[0] == WRITE_SAME_16) + trace_seq_printf(p, " unmap=%u", cdb[1] >> 3 & 1); + + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len, *cmd; + sector_t lba = 0, txlen = 0; + u32 ei_lbrt = 0; + + switch (SERVICE_ACTION32(cdb)) { + case READ_32: + cmd = "READ"; + break; + case VERIFY_32: + cmd = "VERIFY"; + break; + case WRITE_32: + cmd = "WRITE"; + break; + case WRITE_SAME_32: + cmd = "WRITE_SAME"; + break; + default: + trace_seq_printf(p, "UNKNOWN"); + goto out; + } + + lba |= ((u64)cdb[12] << 56); + lba |= ((u64)cdb[13] << 48); + lba |= ((u64)cdb[14] << 40); + lba |= ((u64)cdb[15] << 32); + lba |= (cdb[16] << 24); + lba |= (cdb[17] << 16); + lba |= (cdb[18] << 8); + lba |= cdb[19]; + ei_lbrt |= (cdb[20] << 24); + ei_lbrt |= (cdb[21] << 16); + ei_lbrt |= (cdb[22] << 8); + ei_lbrt |= cdb[23]; + txlen |= (cdb[28] << 24); + txlen |= (cdb[29] << 16); + txlen |= (cdb[30] << 8); + txlen |= cdb[31]; + + trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu protect=%u ei_lbrt=%u", + cmd, (unsigned long long)lba, + (unsigned long long)txlen, cdb[10] >> 5, ei_lbrt); + + if (SERVICE_ACTION32(cdb) == WRITE_SAME_32) + trace_seq_printf(p, " unmap=%u", cdb[10] >> 3 & 1); + +out: + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_unmap(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + unsigned int regions = cdb[7] << 8 | cdb[8]; + + trace_seq_printf(p, "regions=%u", (regions - 8) / 16); + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_service_action_in(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len, *cmd; + sector_t lba = 0; + u32 alloc_len = 0; + + switch (SERVICE_ACTION16(cdb)) { + case SAI_READ_CAPACITY_16: + cmd = "READ_CAPACITY_16"; + break; + case SAI_GET_LBA_STATUS: + cmd = "GET_LBA_STATUS"; + break; + default: + trace_seq_printf(p, "UNKNOWN"); + goto out; + } + + lba |= ((u64)cdb[2] << 56); + lba |= ((u64)cdb[3] << 48); + lba |= ((u64)cdb[4] << 40); + lba |= ((u64)cdb[5] << 32); + lba |= (cdb[6] << 24); + lba |= (cdb[7] << 16); + lba |= (cdb[8] << 8); + lba |= cdb[9]; + alloc_len |= (cdb[10] << 24); + alloc_len |= (cdb[11] << 16); + alloc_len |= (cdb[12] << 8); + alloc_len |= cdb[13]; + + trace_seq_printf(p, "%s lba=%llu alloc_len=%u", cmd, + (unsigned long long)lba, alloc_len); + +out: + trace_seq_putc(p, 0); + return ret; +} + +static const char * +scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len) +{ + switch (SERVICE_ACTION32(cdb)) { + case READ_32: + case VERIFY_32: + case WRITE_32: + case WRITE_SAME_32: + return scsi_trace_rw32(p, cdb, len); + default: + return scsi_trace_misc(p, cdb, len); + } +} + +static const char * +scsi_trace_misc(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = p->buffer + p->len; + + trace_seq_printf(p, "-"); + trace_seq_putc(p, 0); + return ret; +} + +const char * +scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len) +{ + switch (cdb[0]) { + case READ_6: + case WRITE_6: + return scsi_trace_rw6(p, cdb, len); + case READ_10: + case VERIFY: + case WRITE_10: + case WRITE_SAME: + return scsi_trace_rw10(p, cdb, len); + case READ_12: + case VERIFY_12: + case WRITE_12: + return scsi_trace_rw12(p, cdb, len); + case READ_16: + case VERIFY_16: + case WRITE_16: + case WRITE_SAME_16: + return scsi_trace_rw16(p, cdb, len); + case UNMAP: + return scsi_trace_unmap(p, cdb, len); + case SERVICE_ACTION_IN: + return scsi_trace_service_action_in(p, cdb, len); + case VARIABLE_LENGTH_CMD: + return scsi_trace_varlen(p, cdb, len); + default: + return scsi_trace_misc(p, cdb, len); + } +} + +unsigned long long process_scsi_trace_parse_cdb(struct trace_seq *s, + unsigned long long *args) +{ + scsi_trace_parse_cdb(s, (unsigned char *) (unsigned long) args[1], args[2]); + return 0; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_print_function(pevent, + process_scsi_trace_parse_cdb, + PEVENT_FUNC_ARG_STRING, + "scsi_trace_parse_cdb", + PEVENT_FUNC_ARG_PTR, + PEVENT_FUNC_ARG_PTR, + PEVENT_FUNC_ARG_INT, + PEVENT_FUNC_ARG_VOID); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_print_function(pevent, process_scsi_trace_parse_cdb, + "scsi_trace_parse_cdb"); +} diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c new file mode 100644 index 00000000000..3a413eaada6 --- /dev/null +++ b/tools/lib/traceevent/plugin_xen.c @@ -0,0 +1,136 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "event-parse.h" + +#define __HYPERVISOR_set_trap_table 0 +#define __HYPERVISOR_mmu_update 1 +#define __HYPERVISOR_set_gdt 2 +#define __HYPERVISOR_stack_switch 3 +#define __HYPERVISOR_set_callbacks 4 +#define __HYPERVISOR_fpu_taskswitch 5 +#define __HYPERVISOR_sched_op_compat 6 +#define __HYPERVISOR_dom0_op 7 +#define __HYPERVISOR_set_debugreg 8 +#define __HYPERVISOR_get_debugreg 9 +#define __HYPERVISOR_update_descriptor 10 +#define __HYPERVISOR_memory_op 12 +#define __HYPERVISOR_multicall 13 +#define __HYPERVISOR_update_va_mapping 14 +#define __HYPERVISOR_set_timer_op 15 +#define __HYPERVISOR_event_channel_op_compat 16 +#define __HYPERVISOR_xen_version 17 +#define __HYPERVISOR_console_io 18 +#define __HYPERVISOR_physdev_op_compat 19 +#define __HYPERVISOR_grant_table_op 20 +#define __HYPERVISOR_vm_assist 21 +#define __HYPERVISOR_update_va_mapping_otherdomain 22 +#define __HYPERVISOR_iret 23 /* x86 only */ +#define __HYPERVISOR_vcpu_op 24 +#define __HYPERVISOR_set_segment_base 25 /* x86/64 only */ +#define __HYPERVISOR_mmuext_op 26 +#define __HYPERVISOR_acm_op 27 +#define __HYPERVISOR_nmi_op 28 +#define __HYPERVISOR_sched_op 29 +#define __HYPERVISOR_callback_op 30 +#define __HYPERVISOR_xenoprof_op 31 +#define __HYPERVISOR_event_channel_op 32 +#define __HYPERVISOR_physdev_op 33 +#define __HYPERVISOR_hvm_op 34 +#define __HYPERVISOR_tmem_op 38 + +/* Architecture-specific hypercall definitions. */ +#define __HYPERVISOR_arch_0 48 +#define __HYPERVISOR_arch_1 49 +#define __HYPERVISOR_arch_2 50 +#define __HYPERVISOR_arch_3 51 +#define __HYPERVISOR_arch_4 52 +#define __HYPERVISOR_arch_5 53 +#define __HYPERVISOR_arch_6 54 +#define __HYPERVISOR_arch_7 55 + +#define N(x) [__HYPERVISOR_##x] = "("#x")" +static const char *xen_hypercall_names[] = { + N(set_trap_table), + N(mmu_update), + N(set_gdt), + N(stack_switch), + N(set_callbacks), + N(fpu_taskswitch), + N(sched_op_compat), + N(dom0_op), + N(set_debugreg), + N(get_debugreg), + N(update_descriptor), + N(memory_op), + N(multicall), + N(update_va_mapping), + N(set_timer_op), + N(event_channel_op_compat), + N(xen_version), + N(console_io), + N(physdev_op_compat), + N(grant_table_op), + N(vm_assist), + N(update_va_mapping_otherdomain), + N(iret), + N(vcpu_op), + N(set_segment_base), + N(mmuext_op), + N(acm_op), + N(nmi_op), + N(sched_op), + N(callback_op), + N(xenoprof_op), + N(event_channel_op), + N(physdev_op), + N(hvm_op), + +/* Architecture-specific hypercall definitions. */ + N(arch_0), + N(arch_1), + N(arch_2), + N(arch_3), + N(arch_4), + N(arch_5), + N(arch_6), + N(arch_7), +}; +#undef N + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +static const char *xen_hypercall_name(unsigned op) +{ + if (op < ARRAY_SIZE(xen_hypercall_names) && + xen_hypercall_names[op] != NULL) + return xen_hypercall_names[op]; + + return ""; +} + +unsigned long long process_xen_hypercall_name(struct trace_seq *s, + unsigned long long *args) +{ + unsigned int op = args[0]; + + trace_seq_printf(s, "%s", xen_hypercall_name(op)); + return 0; +} + +int PEVENT_PLUGIN_LOADER(struct pevent *pevent) +{ + pevent_register_print_function(pevent, + process_xen_hypercall_name, + PEVENT_FUNC_ARG_STRING, + "xen_hypercall_name", + PEVENT_FUNC_ARG_INT, + PEVENT_FUNC_ARG_VOID); + return 0; +} + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_print_function(pevent, process_xen_hypercall_name, + "xen_hypercall_name"); +} diff --git a/tools/lib/traceevent/trace-seq.c b/tools/lib/traceevent/trace-seq.c index d7f2e68bc5b..ec3bd16a548 100644 --- a/tools/lib/traceevent/trace-seq.c +++ b/tools/lib/traceevent/trace-seq.c @@ -22,6 +22,7 @@ #include <string.h> #include <stdarg.h> +#include <asm/bug.h> #include "event-parse.h" #include "event-utils.h" @@ -32,10 +33,21 @@ #define TRACE_SEQ_POISON ((void *)0xdeadbeef) #define TRACE_SEQ_CHECK(s) \ do { \ - if ((s)->buffer == TRACE_SEQ_POISON) \ - die("Usage of trace_seq after it was destroyed"); \ + if (WARN_ONCE((s)->buffer == TRACE_SEQ_POISON, \ + "Usage of trace_seq after it was destroyed")) \ + (s)->state = TRACE_SEQ__BUFFER_POISONED; \ } while (0) +#define TRACE_SEQ_CHECK_RET_N(s, n) \ +do { \ + TRACE_SEQ_CHECK(s); \ + if ((s)->state != TRACE_SEQ__GOOD) \ + return n; \ +} while (0) + +#define TRACE_SEQ_CHECK_RET(s) TRACE_SEQ_CHECK_RET_N(s, ) +#define TRACE_SEQ_CHECK_RET0(s) TRACE_SEQ_CHECK_RET_N(s, 0) + /** * trace_seq_init - initialize the trace_seq structure * @s: a pointer to the trace_seq structure to initialize @@ -45,7 +57,11 @@ void trace_seq_init(struct trace_seq *s) s->len = 0; s->readpos = 0; s->buffer_size = TRACE_SEQ_BUF_SIZE; - s->buffer = malloc_or_die(s->buffer_size); + s->buffer = malloc(s->buffer_size); + if (s->buffer != NULL) + s->state = TRACE_SEQ__GOOD; + else + s->state = TRACE_SEQ__MEM_ALLOC_FAILED; } /** @@ -71,17 +87,23 @@ void trace_seq_destroy(struct trace_seq *s) { if (!s) return; - TRACE_SEQ_CHECK(s); + TRACE_SEQ_CHECK_RET(s); free(s->buffer); s->buffer = TRACE_SEQ_POISON; } static void expand_buffer(struct trace_seq *s) { + char *buf; + + buf = realloc(s->buffer, s->buffer_size + TRACE_SEQ_BUF_SIZE); + if (WARN_ONCE(!buf, "Can't allocate trace_seq buffer memory")) { + s->state = TRACE_SEQ__MEM_ALLOC_FAILED; + return; + } + + s->buffer = buf; s->buffer_size += TRACE_SEQ_BUF_SIZE; - s->buffer = realloc(s->buffer, s->buffer_size); - if (!s->buffer) - die("Can't allocate trace_seq buffer memory"); } /** @@ -105,9 +127,9 @@ trace_seq_printf(struct trace_seq *s, const char *fmt, ...) int len; int ret; - TRACE_SEQ_CHECK(s); - try_again: + TRACE_SEQ_CHECK_RET0(s); + len = (s->buffer_size - 1) - s->len; va_start(ap, fmt); @@ -141,9 +163,9 @@ trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args) int len; int ret; - TRACE_SEQ_CHECK(s); - try_again: + TRACE_SEQ_CHECK_RET0(s); + len = (s->buffer_size - 1) - s->len; ret = vsnprintf(s->buffer + s->len, len, fmt, args); @@ -172,13 +194,15 @@ int trace_seq_puts(struct trace_seq *s, const char *str) { int len; - TRACE_SEQ_CHECK(s); + TRACE_SEQ_CHECK_RET0(s); len = strlen(str); while (len > ((s->buffer_size - 1) - s->len)) expand_buffer(s); + TRACE_SEQ_CHECK_RET0(s); + memcpy(s->buffer + s->len, str, len); s->len += len; @@ -187,11 +211,13 @@ int trace_seq_puts(struct trace_seq *s, const char *str) int trace_seq_putc(struct trace_seq *s, unsigned char c) { - TRACE_SEQ_CHECK(s); + TRACE_SEQ_CHECK_RET0(s); while (s->len >= (s->buffer_size - 1)) expand_buffer(s); + TRACE_SEQ_CHECK_RET0(s); + s->buffer[s->len++] = c; return 1; @@ -199,7 +225,7 @@ int trace_seq_putc(struct trace_seq *s, unsigned char c) void trace_seq_terminate(struct trace_seq *s) { - TRACE_SEQ_CHECK(s); + TRACE_SEQ_CHECK_RET(s); /* There's always one character left on the buffer */ s->buffer[s->len] = 0; @@ -208,5 +234,16 @@ void trace_seq_terminate(struct trace_seq *s) int trace_seq_do_printf(struct trace_seq *s) { TRACE_SEQ_CHECK(s); - return printf("%.*s", s->len, s->buffer); + + switch (s->state) { + case TRACE_SEQ__GOOD: + return printf("%.*s", s->len, s->buffer); + case TRACE_SEQ__BUFFER_POISONED: + puts("Usage of trace_seq after it was destroyed"); + break; + case TRACE_SEQ__MEM_ALLOC_FAILED: + puts("Can't allocate trace_seq buffer memory"); + break; + } + return -1; } diff --git a/tools/net/Makefile b/tools/net/Makefile index b4444d53b73..ee577ea03ba 100644 --- a/tools/net/Makefile +++ b/tools/net/Makefile @@ -1,15 +1,34 @@ prefix = /usr CC = gcc +LEX = flex +YACC = bison -all : bpf_jit_disasm +%.yacc.c: %.y + $(YACC) -o $@ -d $< -bpf_jit_disasm : CFLAGS = -Wall -O2 +%.lex.c: %.l + $(LEX) -o $@ $< + +all : bpf_jit_disasm bpf_dbg bpf_asm + +bpf_jit_disasm : CFLAGS = -Wall -O2 -DPACKAGE='bpf_jit_disasm' bpf_jit_disasm : LDLIBS = -lopcodes -lbfd -ldl bpf_jit_disasm : bpf_jit_disasm.o +bpf_dbg : CFLAGS = -Wall -O2 +bpf_dbg : LDLIBS = -lreadline +bpf_dbg : bpf_dbg.o + +bpf_asm : CFLAGS = -Wall -O2 -I. +bpf_asm : LDLIBS = +bpf_asm : bpf_asm.o bpf_exp.yacc.o bpf_exp.lex.o +bpf_exp.lex.o : bpf_exp.yacc.c + clean : - rm -rf *.o bpf_jit_disasm + rm -rf *.o bpf_jit_disasm bpf_dbg bpf_asm bpf_exp.yacc.* bpf_exp.lex.* install : install bpf_jit_disasm $(prefix)/bin/bpf_jit_disasm + install bpf_dbg $(prefix)/bin/bpf_dbg + install bpf_asm $(prefix)/bin/bpf_asm diff --git a/tools/net/bpf_asm.c b/tools/net/bpf_asm.c new file mode 100644 index 00000000000..c15aef097b0 --- /dev/null +++ b/tools/net/bpf_asm.c @@ -0,0 +1,52 @@ +/* + * Minimal BPF assembler + * + * Instead of libpcap high-level filter expressions, it can be quite + * useful to define filters in low-level BPF assembler (that is kept + * close to Steven McCanne and Van Jacobson's original BPF paper). + * In particular for BPF JIT implementors, JIT security auditors, or + * just for defining BPF expressions that contain extensions which are + * not supported by compilers. + * + * How to get into it: + * + * 1) read Documentation/networking/filter.txt + * 2) Run `bpf_asm [-c] <filter-prog file>` to translate into binary + * blob that is loadable with xt_bpf, cls_bpf et al. Note: -c will + * pretty print a C-like construct. + * + * Copyright 2013 Daniel Borkmann <borkmann@redhat.com> + * Licensed under the GNU General Public License, version 2.0 (GPLv2) + */ + +#include <stdbool.h> +#include <stdio.h> +#include <string.h> + +extern void bpf_asm_compile(FILE *fp, bool cstyle); + +int main(int argc, char **argv) +{ + FILE *fp = stdin; + bool cstyle = false; + int i; + + for (i = 1; i < argc; i++) { + if (!strncmp("-c", argv[i], 2)) { + cstyle = true; + continue; + } + + fp = fopen(argv[i], "r"); + if (!fp) { + fp = stdin; + continue; + } + + break; + } + + bpf_asm_compile(fp, cstyle); + + return 0; +} diff --git a/tools/net/bpf_dbg.c b/tools/net/bpf_dbg.c new file mode 100644 index 00000000000..9a287bec695 --- /dev/null +++ b/tools/net/bpf_dbg.c @@ -0,0 +1,1395 @@ +/* + * Minimal BPF debugger + * + * Minimal BPF debugger that mimics the kernel's engine (w/o extensions) + * and allows for single stepping through selected packets from a pcap + * with a provided user filter in order to facilitate verification of a + * BPF program. Besides others, this is useful to verify BPF programs + * before attaching to a live system, and can be used in socket filters, + * cls_bpf, xt_bpf, team driver and e.g. PTP code; in particular when a + * single more complex BPF program is being used. Reasons for a more + * complex BPF program are likely primarily to optimize execution time + * for making a verdict when multiple simple BPF programs are combined + * into one in order to prevent parsing same headers multiple times. + * + * More on how to debug BPF opcodes see Documentation/networking/filter.txt + * which is the main document on BPF. Mini howto for getting started: + * + * 1) `./bpf_dbg` to enter the shell (shell cmds denoted with '>'): + * 2) > load bpf 6,40 0 0 12,21 0 3 20... (output from `bpf_asm` or + * `tcpdump -iem1 -ddd port 22 | tr '\n' ','` to load as filter) + * 3) > load pcap foo.pcap + * 4) > run <n>/disassemble/dump/quit (self-explanatory) + * 5) > breakpoint 2 (sets bp at loaded BPF insns 2, do `run` then; + * multiple bps can be set, of course, a call to `breakpoint` + * w/o args shows currently loaded bps, `breakpoint reset` for + * resetting all breakpoints) + * 6) > select 3 (`run` etc will start from the 3rd packet in the pcap) + * 7) > step [-<n>, +<n>] (performs single stepping through the BPF) + * + * Copyright 2013 Daniel Borkmann <borkmann@redhat.com> + * Licensed under the GNU General Public License, version 2.0 (GPLv2) + */ + +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <ctype.h> +#include <stdbool.h> +#include <stdarg.h> +#include <setjmp.h> +#include <linux/filter.h> +#include <linux/if_packet.h> +#include <readline/readline.h> +#include <readline/history.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/mman.h> +#include <fcntl.h> +#include <errno.h> +#include <signal.h> +#include <arpa/inet.h> +#include <net/ethernet.h> + +#define TCPDUMP_MAGIC 0xa1b2c3d4 + +#define BPF_LDX_B (BPF_LDX | BPF_B) +#define BPF_LDX_W (BPF_LDX | BPF_W) +#define BPF_JMP_JA (BPF_JMP | BPF_JA) +#define BPF_JMP_JEQ (BPF_JMP | BPF_JEQ) +#define BPF_JMP_JGT (BPF_JMP | BPF_JGT) +#define BPF_JMP_JGE (BPF_JMP | BPF_JGE) +#define BPF_JMP_JSET (BPF_JMP | BPF_JSET) +#define BPF_ALU_ADD (BPF_ALU | BPF_ADD) +#define BPF_ALU_SUB (BPF_ALU | BPF_SUB) +#define BPF_ALU_MUL (BPF_ALU | BPF_MUL) +#define BPF_ALU_DIV (BPF_ALU | BPF_DIV) +#define BPF_ALU_MOD (BPF_ALU | BPF_MOD) +#define BPF_ALU_NEG (BPF_ALU | BPF_NEG) +#define BPF_ALU_AND (BPF_ALU | BPF_AND) +#define BPF_ALU_OR (BPF_ALU | BPF_OR) +#define BPF_ALU_XOR (BPF_ALU | BPF_XOR) +#define BPF_ALU_LSH (BPF_ALU | BPF_LSH) +#define BPF_ALU_RSH (BPF_ALU | BPF_RSH) +#define BPF_MISC_TAX (BPF_MISC | BPF_TAX) +#define BPF_MISC_TXA (BPF_MISC | BPF_TXA) +#define BPF_LD_B (BPF_LD | BPF_B) +#define BPF_LD_H (BPF_LD | BPF_H) +#define BPF_LD_W (BPF_LD | BPF_W) + +#ifndef array_size +# define array_size(x) (sizeof(x) / sizeof((x)[0])) +#endif + +#ifndef __check_format_printf +# define __check_format_printf(pos_fmtstr, pos_fmtargs) \ + __attribute__ ((format (printf, (pos_fmtstr), (pos_fmtargs)))) +#endif + +enum { + CMD_OK, + CMD_ERR, + CMD_EX, +}; + +struct shell_cmd { + const char *name; + int (*func)(char *args); +}; + +struct pcap_filehdr { + uint32_t magic; + uint16_t version_major; + uint16_t version_minor; + int32_t thiszone; + uint32_t sigfigs; + uint32_t snaplen; + uint32_t linktype; +}; + +struct pcap_timeval { + int32_t tv_sec; + int32_t tv_usec; +}; + +struct pcap_pkthdr { + struct pcap_timeval ts; + uint32_t caplen; + uint32_t len; +}; + +struct bpf_regs { + uint32_t A; + uint32_t X; + uint32_t M[BPF_MEMWORDS]; + uint32_t R; + bool Rs; + uint16_t Pc; +}; + +static struct sock_filter bpf_image[BPF_MAXINSNS + 1]; +static unsigned int bpf_prog_len = 0; + +static int bpf_breakpoints[64]; +static struct bpf_regs bpf_regs[BPF_MAXINSNS + 1]; +static struct bpf_regs bpf_curr; +static unsigned int bpf_regs_len = 0; + +static int pcap_fd = -1; +static unsigned int pcap_packet = 0; +static size_t pcap_map_size = 0; +static char *pcap_ptr_va_start, *pcap_ptr_va_curr; + +static const char * const op_table[] = { + [BPF_ST] = "st", + [BPF_STX] = "stx", + [BPF_LD_B] = "ldb", + [BPF_LD_H] = "ldh", + [BPF_LD_W] = "ld", + [BPF_LDX] = "ldx", + [BPF_LDX_B] = "ldxb", + [BPF_JMP_JA] = "ja", + [BPF_JMP_JEQ] = "jeq", + [BPF_JMP_JGT] = "jgt", + [BPF_JMP_JGE] = "jge", + [BPF_JMP_JSET] = "jset", + [BPF_ALU_ADD] = "add", + [BPF_ALU_SUB] = "sub", + [BPF_ALU_MUL] = "mul", + [BPF_ALU_DIV] = "div", + [BPF_ALU_MOD] = "mod", + [BPF_ALU_NEG] = "neg", + [BPF_ALU_AND] = "and", + [BPF_ALU_OR] = "or", + [BPF_ALU_XOR] = "xor", + [BPF_ALU_LSH] = "lsh", + [BPF_ALU_RSH] = "rsh", + [BPF_MISC_TAX] = "tax", + [BPF_MISC_TXA] = "txa", + [BPF_RET] = "ret", +}; + +static __check_format_printf(1, 2) int rl_printf(const char *fmt, ...) +{ + int ret; + va_list vl; + + va_start(vl, fmt); + ret = vfprintf(rl_outstream, fmt, vl); + va_end(vl); + + return ret; +} + +static int matches(const char *cmd, const char *pattern) +{ + int len = strlen(cmd); + + if (len > strlen(pattern)) + return -1; + + return memcmp(pattern, cmd, len); +} + +static void hex_dump(const uint8_t *buf, size_t len) +{ + int i; + + rl_printf("%3u: ", 0); + for (i = 0; i < len; i++) { + if (i && !(i % 16)) + rl_printf("\n%3u: ", i); + rl_printf("%02x ", buf[i]); + } + rl_printf("\n"); +} + +static bool bpf_prog_loaded(void) +{ + if (bpf_prog_len == 0) + rl_printf("no bpf program loaded!\n"); + + return bpf_prog_len > 0; +} + +static void bpf_disasm(const struct sock_filter f, unsigned int i) +{ + const char *op, *fmt; + int val = f.k; + char buf[256]; + + switch (f.code) { + case BPF_RET | BPF_K: + op = op_table[BPF_RET]; + fmt = "#%#x"; + break; + case BPF_RET | BPF_A: + op = op_table[BPF_RET]; + fmt = "a"; + break; + case BPF_RET | BPF_X: + op = op_table[BPF_RET]; + fmt = "x"; + break; + case BPF_MISC_TAX: + op = op_table[BPF_MISC_TAX]; + fmt = ""; + break; + case BPF_MISC_TXA: + op = op_table[BPF_MISC_TXA]; + fmt = ""; + break; + case BPF_ST: + op = op_table[BPF_ST]; + fmt = "M[%d]"; + break; + case BPF_STX: + op = op_table[BPF_STX]; + fmt = "M[%d]"; + break; + case BPF_LD_W | BPF_ABS: + op = op_table[BPF_LD_W]; + fmt = "[%d]"; + break; + case BPF_LD_H | BPF_ABS: + op = op_table[BPF_LD_H]; + fmt = "[%d]"; + break; + case BPF_LD_B | BPF_ABS: + op = op_table[BPF_LD_B]; + fmt = "[%d]"; + break; + case BPF_LD_W | BPF_LEN: + op = op_table[BPF_LD_W]; + fmt = "#len"; + break; + case BPF_LD_W | BPF_IND: + op = op_table[BPF_LD_W]; + fmt = "[x+%d]"; + break; + case BPF_LD_H | BPF_IND: + op = op_table[BPF_LD_H]; + fmt = "[x+%d]"; + break; + case BPF_LD_B | BPF_IND: + op = op_table[BPF_LD_B]; + fmt = "[x+%d]"; + break; + case BPF_LD | BPF_IMM: + op = op_table[BPF_LD_W]; + fmt = "#%#x"; + break; + case BPF_LDX | BPF_IMM: + op = op_table[BPF_LDX]; + fmt = "#%#x"; + break; + case BPF_LDX_B | BPF_MSH: + op = op_table[BPF_LDX_B]; + fmt = "4*([%d]&0xf)"; + break; + case BPF_LD | BPF_MEM: + op = op_table[BPF_LD_W]; + fmt = "M[%d]"; + break; + case BPF_LDX | BPF_MEM: + op = op_table[BPF_LDX]; + fmt = "M[%d]"; + break; + case BPF_JMP_JA: + op = op_table[BPF_JMP_JA]; + fmt = "%d"; + val = i + 1 + f.k; + break; + case BPF_JMP_JGT | BPF_X: + op = op_table[BPF_JMP_JGT]; + fmt = "x"; + break; + case BPF_JMP_JGT | BPF_K: + op = op_table[BPF_JMP_JGT]; + fmt = "#%#x"; + break; + case BPF_JMP_JGE | BPF_X: + op = op_table[BPF_JMP_JGE]; + fmt = "x"; + break; + case BPF_JMP_JGE | BPF_K: + op = op_table[BPF_JMP_JGE]; + fmt = "#%#x"; + break; + case BPF_JMP_JEQ | BPF_X: + op = op_table[BPF_JMP_JEQ]; + fmt = "x"; + break; + case BPF_JMP_JEQ | BPF_K: + op = op_table[BPF_JMP_JEQ]; + fmt = "#%#x"; + break; + case BPF_JMP_JSET | BPF_X: + op = op_table[BPF_JMP_JSET]; + fmt = "x"; + break; + case BPF_JMP_JSET | BPF_K: + op = op_table[BPF_JMP_JSET]; + fmt = "#%#x"; + break; + case BPF_ALU_NEG: + op = op_table[BPF_ALU_NEG]; + fmt = ""; + break; + case BPF_ALU_LSH | BPF_X: + op = op_table[BPF_ALU_LSH]; + fmt = "x"; + break; + case BPF_ALU_LSH | BPF_K: + op = op_table[BPF_ALU_LSH]; + fmt = "#%d"; + break; + case BPF_ALU_RSH | BPF_X: + op = op_table[BPF_ALU_RSH]; + fmt = "x"; + break; + case BPF_ALU_RSH | BPF_K: + op = op_table[BPF_ALU_RSH]; + fmt = "#%d"; + break; + case BPF_ALU_ADD | BPF_X: + op = op_table[BPF_ALU_ADD]; + fmt = "x"; + break; + case BPF_ALU_ADD | BPF_K: + op = op_table[BPF_ALU_ADD]; + fmt = "#%d"; + break; + case BPF_ALU_SUB | BPF_X: + op = op_table[BPF_ALU_SUB]; + fmt = "x"; + break; + case BPF_ALU_SUB | BPF_K: + op = op_table[BPF_ALU_SUB]; + fmt = "#%d"; + break; + case BPF_ALU_MUL | BPF_X: + op = op_table[BPF_ALU_MUL]; + fmt = "x"; + break; + case BPF_ALU_MUL | BPF_K: + op = op_table[BPF_ALU_MUL]; + fmt = "#%d"; + break; + case BPF_ALU_DIV | BPF_X: + op = op_table[BPF_ALU_DIV]; + fmt = "x"; + break; + case BPF_ALU_DIV | BPF_K: + op = op_table[BPF_ALU_DIV]; + fmt = "#%d"; + break; + case BPF_ALU_MOD | BPF_X: + op = op_table[BPF_ALU_MOD]; + fmt = "x"; + break; + case BPF_ALU_MOD | BPF_K: + op = op_table[BPF_ALU_MOD]; + fmt = "#%d"; + break; + case BPF_ALU_AND | BPF_X: + op = op_table[BPF_ALU_AND]; + fmt = "x"; + break; + case BPF_ALU_AND | BPF_K: + op = op_table[BPF_ALU_AND]; + fmt = "#%#x"; + break; + case BPF_ALU_OR | BPF_X: + op = op_table[BPF_ALU_OR]; + fmt = "x"; + break; + case BPF_ALU_OR | BPF_K: + op = op_table[BPF_ALU_OR]; + fmt = "#%#x"; + break; + case BPF_ALU_XOR | BPF_X: + op = op_table[BPF_ALU_XOR]; + fmt = "x"; + break; + case BPF_ALU_XOR | BPF_K: + op = op_table[BPF_ALU_XOR]; + fmt = "#%#x"; + break; + default: + op = "nosup"; + fmt = "%#x"; + val = f.code; + break; + } + + memset(buf, 0, sizeof(buf)); + snprintf(buf, sizeof(buf), fmt, val); + buf[sizeof(buf) - 1] = 0; + + if ((BPF_CLASS(f.code) == BPF_JMP && BPF_OP(f.code) != BPF_JA)) + rl_printf("l%d:\t%s %s, l%d, l%d\n", i, op, buf, + i + 1 + f.jt, i + 1 + f.jf); + else + rl_printf("l%d:\t%s %s\n", i, op, buf); +} + +static void bpf_dump_curr(struct bpf_regs *r, struct sock_filter *f) +{ + int i, m = 0; + + rl_printf("pc: [%u]\n", r->Pc); + rl_printf("code: [%u] jt[%u] jf[%u] k[%u]\n", + f->code, f->jt, f->jf, f->k); + rl_printf("curr: "); + bpf_disasm(*f, r->Pc); + + if (f->jt || f->jf) { + rl_printf("jt: "); + bpf_disasm(*(f + f->jt + 1), r->Pc + f->jt + 1); + rl_printf("jf: "); + bpf_disasm(*(f + f->jf + 1), r->Pc + f->jf + 1); + } + + rl_printf("A: [%#08x][%u]\n", r->A, r->A); + rl_printf("X: [%#08x][%u]\n", r->X, r->X); + if (r->Rs) + rl_printf("ret: [%#08x][%u]!\n", r->R, r->R); + + for (i = 0; i < BPF_MEMWORDS; i++) { + if (r->M[i]) { + m++; + rl_printf("M[%d]: [%#08x][%u]\n", i, r->M[i], r->M[i]); + } + } + if (m == 0) + rl_printf("M[0,%d]: [%#08x][%u]\n", BPF_MEMWORDS - 1, 0, 0); +} + +static void bpf_dump_pkt(uint8_t *pkt, uint32_t pkt_caplen, uint32_t pkt_len) +{ + if (pkt_caplen != pkt_len) + rl_printf("cap: %u, len: %u\n", pkt_caplen, pkt_len); + else + rl_printf("len: %u\n", pkt_len); + + hex_dump(pkt, pkt_caplen); +} + +static void bpf_disasm_all(const struct sock_filter *f, unsigned int len) +{ + unsigned int i; + + for (i = 0; i < len; i++) + bpf_disasm(f[i], i); +} + +static void bpf_dump_all(const struct sock_filter *f, unsigned int len) +{ + unsigned int i; + + rl_printf("/* { op, jt, jf, k }, */\n"); + for (i = 0; i < len; i++) + rl_printf("{ %#04x, %2u, %2u, %#010x },\n", + f[i].code, f[i].jt, f[i].jf, f[i].k); +} + +static bool bpf_runnable(struct sock_filter *f, unsigned int len) +{ + int sock, ret, i; + struct sock_fprog bpf = { + .filter = f, + .len = len, + }; + + sock = socket(AF_INET, SOCK_DGRAM, 0); + if (sock < 0) { + rl_printf("cannot open socket!\n"); + return false; + } + ret = setsockopt(sock, SOL_SOCKET, SO_ATTACH_FILTER, &bpf, sizeof(bpf)); + close(sock); + if (ret < 0) { + rl_printf("program not allowed to run by kernel!\n"); + return false; + } + for (i = 0; i < len; i++) { + if (BPF_CLASS(f[i].code) == BPF_LD && + f[i].k > SKF_AD_OFF) { + rl_printf("extensions currently not supported!\n"); + return false; + } + } + + return true; +} + +static void bpf_reset_breakpoints(void) +{ + int i; + + for (i = 0; i < array_size(bpf_breakpoints); i++) + bpf_breakpoints[i] = -1; +} + +static void bpf_set_breakpoints(unsigned int where) +{ + int i; + bool set = false; + + for (i = 0; i < array_size(bpf_breakpoints); i++) { + if (bpf_breakpoints[i] == (int) where) { + rl_printf("breakpoint already set!\n"); + set = true; + break; + } + + if (bpf_breakpoints[i] == -1 && set == false) { + bpf_breakpoints[i] = where; + set = true; + } + } + + if (!set) + rl_printf("too many breakpoints set, reset first!\n"); +} + +static void bpf_dump_breakpoints(void) +{ + int i; + + rl_printf("breakpoints: "); + + for (i = 0; i < array_size(bpf_breakpoints); i++) { + if (bpf_breakpoints[i] < 0) + continue; + rl_printf("%d ", bpf_breakpoints[i]); + } + + rl_printf("\n"); +} + +static void bpf_reset(void) +{ + bpf_regs_len = 0; + + memset(bpf_regs, 0, sizeof(bpf_regs)); + memset(&bpf_curr, 0, sizeof(bpf_curr)); +} + +static void bpf_safe_regs(void) +{ + memcpy(&bpf_regs[bpf_regs_len++], &bpf_curr, sizeof(bpf_curr)); +} + +static bool bpf_restore_regs(int off) +{ + unsigned int index = bpf_regs_len - 1 + off; + + if (index == 0) { + bpf_reset(); + return true; + } else if (index < bpf_regs_len) { + memcpy(&bpf_curr, &bpf_regs[index], sizeof(bpf_curr)); + bpf_regs_len = index; + return true; + } else { + rl_printf("reached bottom of register history stack!\n"); + return false; + } +} + +static uint32_t extract_u32(uint8_t *pkt, uint32_t off) +{ + uint32_t r; + + memcpy(&r, &pkt[off], sizeof(r)); + + return ntohl(r); +} + +static uint16_t extract_u16(uint8_t *pkt, uint32_t off) +{ + uint16_t r; + + memcpy(&r, &pkt[off], sizeof(r)); + + return ntohs(r); +} + +static uint8_t extract_u8(uint8_t *pkt, uint32_t off) +{ + return pkt[off]; +} + +static void set_return(struct bpf_regs *r) +{ + r->R = 0; + r->Rs = true; +} + +static void bpf_single_step(struct bpf_regs *r, struct sock_filter *f, + uint8_t *pkt, uint32_t pkt_caplen, + uint32_t pkt_len) +{ + uint32_t K = f->k; + int d; + + switch (f->code) { + case BPF_RET | BPF_K: + r->R = K; + r->Rs = true; + break; + case BPF_RET | BPF_A: + r->R = r->A; + r->Rs = true; + break; + case BPF_RET | BPF_X: + r->R = r->X; + r->Rs = true; + break; + case BPF_MISC_TAX: + r->X = r->A; + break; + case BPF_MISC_TXA: + r->A = r->X; + break; + case BPF_ST: + r->M[K] = r->A; + break; + case BPF_STX: + r->M[K] = r->X; + break; + case BPF_LD_W | BPF_ABS: + d = pkt_caplen - K; + if (d >= sizeof(uint32_t)) + r->A = extract_u32(pkt, K); + else + set_return(r); + break; + case BPF_LD_H | BPF_ABS: + d = pkt_caplen - K; + if (d >= sizeof(uint16_t)) + r->A = extract_u16(pkt, K); + else + set_return(r); + break; + case BPF_LD_B | BPF_ABS: + d = pkt_caplen - K; + if (d >= sizeof(uint8_t)) + r->A = extract_u8(pkt, K); + else + set_return(r); + break; + case BPF_LD_W | BPF_IND: + d = pkt_caplen - (r->X + K); + if (d >= sizeof(uint32_t)) + r->A = extract_u32(pkt, r->X + K); + break; + case BPF_LD_H | BPF_IND: + d = pkt_caplen - (r->X + K); + if (d >= sizeof(uint16_t)) + r->A = extract_u16(pkt, r->X + K); + else + set_return(r); + break; + case BPF_LD_B | BPF_IND: + d = pkt_caplen - (r->X + K); + if (d >= sizeof(uint8_t)) + r->A = extract_u8(pkt, r->X + K); + else + set_return(r); + break; + case BPF_LDX_B | BPF_MSH: + d = pkt_caplen - K; + if (d >= sizeof(uint8_t)) { + r->X = extract_u8(pkt, K); + r->X = (r->X & 0xf) << 2; + } else + set_return(r); + break; + case BPF_LD_W | BPF_LEN: + r->A = pkt_len; + break; + case BPF_LDX_W | BPF_LEN: + r->A = pkt_len; + break; + case BPF_LD | BPF_IMM: + r->A = K; + break; + case BPF_LDX | BPF_IMM: + r->X = K; + break; + case BPF_LD | BPF_MEM: + r->A = r->M[K]; + break; + case BPF_LDX | BPF_MEM: + r->X = r->M[K]; + break; + case BPF_JMP_JA: + r->Pc += K; + break; + case BPF_JMP_JGT | BPF_X: + r->Pc += r->A > r->X ? f->jt : f->jf; + break; + case BPF_JMP_JGT | BPF_K: + r->Pc += r->A > K ? f->jt : f->jf; + break; + case BPF_JMP_JGE | BPF_X: + r->Pc += r->A >= r->X ? f->jt : f->jf; + break; + case BPF_JMP_JGE | BPF_K: + r->Pc += r->A >= K ? f->jt : f->jf; + break; + case BPF_JMP_JEQ | BPF_X: + r->Pc += r->A == r->X ? f->jt : f->jf; + break; + case BPF_JMP_JEQ | BPF_K: + r->Pc += r->A == K ? f->jt : f->jf; + break; + case BPF_JMP_JSET | BPF_X: + r->Pc += r->A & r->X ? f->jt : f->jf; + break; + case BPF_JMP_JSET | BPF_K: + r->Pc += r->A & K ? f->jt : f->jf; + break; + case BPF_ALU_NEG: + r->A = -r->A; + break; + case BPF_ALU_LSH | BPF_X: + r->A <<= r->X; + break; + case BPF_ALU_LSH | BPF_K: + r->A <<= K; + break; + case BPF_ALU_RSH | BPF_X: + r->A >>= r->X; + break; + case BPF_ALU_RSH | BPF_K: + r->A >>= K; + break; + case BPF_ALU_ADD | BPF_X: + r->A += r->X; + break; + case BPF_ALU_ADD | BPF_K: + r->A += K; + break; + case BPF_ALU_SUB | BPF_X: + r->A -= r->X; + break; + case BPF_ALU_SUB | BPF_K: + r->A -= K; + break; + case BPF_ALU_MUL | BPF_X: + r->A *= r->X; + break; + case BPF_ALU_MUL | BPF_K: + r->A *= K; + break; + case BPF_ALU_DIV | BPF_X: + case BPF_ALU_MOD | BPF_X: + if (r->X == 0) { + set_return(r); + break; + } + goto do_div; + case BPF_ALU_DIV | BPF_K: + case BPF_ALU_MOD | BPF_K: + if (K == 0) { + set_return(r); + break; + } +do_div: + switch (f->code) { + case BPF_ALU_DIV | BPF_X: + r->A /= r->X; + break; + case BPF_ALU_DIV | BPF_K: + r->A /= K; + break; + case BPF_ALU_MOD | BPF_X: + r->A %= r->X; + break; + case BPF_ALU_MOD | BPF_K: + r->A %= K; + break; + } + break; + case BPF_ALU_AND | BPF_X: + r->A &= r->X; + break; + case BPF_ALU_AND | BPF_K: + r->A &= K; + break; + case BPF_ALU_OR | BPF_X: + r->A |= r->X; + break; + case BPF_ALU_OR | BPF_K: + r->A |= K; + break; + case BPF_ALU_XOR | BPF_X: + r->A ^= r->X; + break; + case BPF_ALU_XOR | BPF_K: + r->A ^= K; + break; + } +} + +static bool bpf_pc_has_breakpoint(uint16_t pc) +{ + int i; + + for (i = 0; i < array_size(bpf_breakpoints); i++) { + if (bpf_breakpoints[i] < 0) + continue; + if (bpf_breakpoints[i] == pc) + return true; + } + + return false; +} + +static bool bpf_handle_breakpoint(struct bpf_regs *r, struct sock_filter *f, + uint8_t *pkt, uint32_t pkt_caplen, + uint32_t pkt_len) +{ + rl_printf("-- register dump --\n"); + bpf_dump_curr(r, &f[r->Pc]); + rl_printf("-- packet dump --\n"); + bpf_dump_pkt(pkt, pkt_caplen, pkt_len); + rl_printf("(breakpoint)\n"); + return true; +} + +static int bpf_run_all(struct sock_filter *f, uint16_t bpf_len, uint8_t *pkt, + uint32_t pkt_caplen, uint32_t pkt_len) +{ + bool stop = false; + + while (bpf_curr.Rs == false && stop == false) { + bpf_safe_regs(); + + if (bpf_pc_has_breakpoint(bpf_curr.Pc)) + stop = bpf_handle_breakpoint(&bpf_curr, f, pkt, + pkt_caplen, pkt_len); + + bpf_single_step(&bpf_curr, &f[bpf_curr.Pc], pkt, pkt_caplen, + pkt_len); + bpf_curr.Pc++; + } + + return stop ? -1 : bpf_curr.R; +} + +static int bpf_run_stepping(struct sock_filter *f, uint16_t bpf_len, + uint8_t *pkt, uint32_t pkt_caplen, + uint32_t pkt_len, int next) +{ + bool stop = false; + int i = 1; + + while (bpf_curr.Rs == false && stop == false) { + bpf_safe_regs(); + + if (i++ == next) + stop = bpf_handle_breakpoint(&bpf_curr, f, pkt, + pkt_caplen, pkt_len); + + bpf_single_step(&bpf_curr, &f[bpf_curr.Pc], pkt, pkt_caplen, + pkt_len); + bpf_curr.Pc++; + } + + return stop ? -1 : bpf_curr.R; +} + +static bool pcap_loaded(void) +{ + if (pcap_fd < 0) + rl_printf("no pcap file loaded!\n"); + + return pcap_fd >= 0; +} + +static struct pcap_pkthdr *pcap_curr_pkt(void) +{ + return (void *) pcap_ptr_va_curr; +} + +static bool pcap_next_pkt(void) +{ + struct pcap_pkthdr *hdr = pcap_curr_pkt(); + + if (pcap_ptr_va_curr + sizeof(*hdr) - + pcap_ptr_va_start >= pcap_map_size) + return false; + if (hdr->caplen == 0 || hdr->len == 0 || hdr->caplen > hdr->len) + return false; + if (pcap_ptr_va_curr + sizeof(*hdr) + hdr->caplen - + pcap_ptr_va_start >= pcap_map_size) + return false; + + pcap_ptr_va_curr += (sizeof(*hdr) + hdr->caplen); + return true; +} + +static void pcap_reset_pkt(void) +{ + pcap_ptr_va_curr = pcap_ptr_va_start + sizeof(struct pcap_filehdr); +} + +static int try_load_pcap(const char *file) +{ + struct pcap_filehdr *hdr; + struct stat sb; + int ret; + + pcap_fd = open(file, O_RDONLY); + if (pcap_fd < 0) { + rl_printf("cannot open pcap [%s]!\n", strerror(errno)); + return CMD_ERR; + } + + ret = fstat(pcap_fd, &sb); + if (ret < 0) { + rl_printf("cannot fstat pcap file!\n"); + return CMD_ERR; + } + + if (!S_ISREG(sb.st_mode)) { + rl_printf("not a regular pcap file, duh!\n"); + return CMD_ERR; + } + + pcap_map_size = sb.st_size; + if (pcap_map_size <= sizeof(struct pcap_filehdr)) { + rl_printf("pcap file too small!\n"); + return CMD_ERR; + } + + pcap_ptr_va_start = mmap(NULL, pcap_map_size, PROT_READ, + MAP_SHARED | MAP_LOCKED, pcap_fd, 0); + if (pcap_ptr_va_start == MAP_FAILED) { + rl_printf("mmap of file failed!"); + return CMD_ERR; + } + + hdr = (void *) pcap_ptr_va_start; + if (hdr->magic != TCPDUMP_MAGIC) { + rl_printf("wrong pcap magic!\n"); + return CMD_ERR; + } + + pcap_reset_pkt(); + + return CMD_OK; + +} + +static void try_close_pcap(void) +{ + if (pcap_fd >= 0) { + munmap(pcap_ptr_va_start, pcap_map_size); + close(pcap_fd); + + pcap_ptr_va_start = pcap_ptr_va_curr = NULL; + pcap_map_size = 0; + pcap_packet = 0; + pcap_fd = -1; + } +} + +static int cmd_load_bpf(char *bpf_string) +{ + char sp, *token, separator = ','; + unsigned short bpf_len, i = 0; + struct sock_filter tmp; + + bpf_prog_len = 0; + memset(bpf_image, 0, sizeof(bpf_image)); + + if (sscanf(bpf_string, "%hu%c", &bpf_len, &sp) != 2 || + sp != separator || bpf_len > BPF_MAXINSNS || bpf_len == 0) { + rl_printf("syntax error in head length encoding!\n"); + return CMD_ERR; + } + + token = bpf_string; + while ((token = strchr(token, separator)) && (++token)[0]) { + if (i >= bpf_len) { + rl_printf("program exceeds encoded length!\n"); + return CMD_ERR; + } + + if (sscanf(token, "%hu %hhu %hhu %u,", + &tmp.code, &tmp.jt, &tmp.jf, &tmp.k) != 4) { + rl_printf("syntax error at instruction %d!\n", i); + return CMD_ERR; + } + + bpf_image[i].code = tmp.code; + bpf_image[i].jt = tmp.jt; + bpf_image[i].jf = tmp.jf; + bpf_image[i].k = tmp.k; + + i++; + } + + if (i != bpf_len) { + rl_printf("syntax error exceeding encoded length!\n"); + return CMD_ERR; + } else + bpf_prog_len = bpf_len; + if (!bpf_runnable(bpf_image, bpf_prog_len)) + bpf_prog_len = 0; + + return CMD_OK; +} + +static int cmd_load_pcap(char *file) +{ + char *file_trim, *tmp; + + file_trim = strtok_r(file, " ", &tmp); + if (file_trim == NULL) + return CMD_ERR; + + try_close_pcap(); + + return try_load_pcap(file_trim); +} + +static int cmd_load(char *arg) +{ + char *subcmd, *cont, *tmp = strdup(arg); + int ret = CMD_OK; + + subcmd = strtok_r(tmp, " ", &cont); + if (subcmd == NULL) + goto out; + if (matches(subcmd, "bpf") == 0) { + bpf_reset(); + bpf_reset_breakpoints(); + + ret = cmd_load_bpf(cont); + } else if (matches(subcmd, "pcap") == 0) { + ret = cmd_load_pcap(cont); + } else { +out: + rl_printf("bpf <code>: load bpf code\n"); + rl_printf("pcap <file>: load pcap file\n"); + ret = CMD_ERR; + } + + free(tmp); + return ret; +} + +static int cmd_step(char *num) +{ + struct pcap_pkthdr *hdr; + int steps, ret; + + if (!bpf_prog_loaded() || !pcap_loaded()) + return CMD_ERR; + + steps = strtol(num, NULL, 10); + if (steps == 0 || strlen(num) == 0) + steps = 1; + if (steps < 0) { + if (!bpf_restore_regs(steps)) + return CMD_ERR; + steps = 1; + } + + hdr = pcap_curr_pkt(); + ret = bpf_run_stepping(bpf_image, bpf_prog_len, + (uint8_t *) hdr + sizeof(*hdr), + hdr->caplen, hdr->len, steps); + if (ret >= 0 || bpf_curr.Rs) { + bpf_reset(); + if (!pcap_next_pkt()) { + rl_printf("(going back to first packet)\n"); + pcap_reset_pkt(); + } else { + rl_printf("(next packet)\n"); + } + } + + return CMD_OK; +} + +static int cmd_select(char *num) +{ + unsigned int which, i; + bool have_next = true; + + if (!pcap_loaded() || strlen(num) == 0) + return CMD_ERR; + + which = strtoul(num, NULL, 10); + if (which == 0) { + rl_printf("packet count starts with 1, clamping!\n"); + which = 1; + } + + pcap_reset_pkt(); + bpf_reset(); + + for (i = 0; i < which && (have_next = pcap_next_pkt()); i++) + /* noop */; + if (!have_next || pcap_curr_pkt() == NULL) { + rl_printf("no packet #%u available!\n", which); + pcap_reset_pkt(); + return CMD_ERR; + } + + return CMD_OK; +} + +static int cmd_breakpoint(char *subcmd) +{ + if (!bpf_prog_loaded()) + return CMD_ERR; + if (strlen(subcmd) == 0) + bpf_dump_breakpoints(); + else if (matches(subcmd, "reset") == 0) + bpf_reset_breakpoints(); + else { + unsigned int where = strtoul(subcmd, NULL, 10); + + if (where < bpf_prog_len) { + bpf_set_breakpoints(where); + rl_printf("breakpoint at: "); + bpf_disasm(bpf_image[where], where); + } + } + + return CMD_OK; +} + +static int cmd_run(char *num) +{ + static uint32_t pass = 0, fail = 0; + bool has_limit = true; + int pkts = 0, i = 0; + + if (!bpf_prog_loaded() || !pcap_loaded()) + return CMD_ERR; + + pkts = strtol(num, NULL, 10); + if (pkts == 0 || strlen(num) == 0) + has_limit = false; + + do { + struct pcap_pkthdr *hdr = pcap_curr_pkt(); + int ret = bpf_run_all(bpf_image, bpf_prog_len, + (uint8_t *) hdr + sizeof(*hdr), + hdr->caplen, hdr->len); + if (ret > 0) + pass++; + else if (ret == 0) + fail++; + else + return CMD_OK; + bpf_reset(); + } while (pcap_next_pkt() && (!has_limit || (has_limit && ++i < pkts))); + + rl_printf("bpf passes:%u fails:%u\n", pass, fail); + + pcap_reset_pkt(); + bpf_reset(); + + pass = fail = 0; + return CMD_OK; +} + +static int cmd_disassemble(char *line_string) +{ + bool single_line = false; + unsigned long line; + + if (!bpf_prog_loaded()) + return CMD_ERR; + if (strlen(line_string) > 0 && + (line = strtoul(line_string, NULL, 10)) < bpf_prog_len) + single_line = true; + if (single_line) + bpf_disasm(bpf_image[line], line); + else + bpf_disasm_all(bpf_image, bpf_prog_len); + + return CMD_OK; +} + +static int cmd_dump(char *dontcare) +{ + if (!bpf_prog_loaded()) + return CMD_ERR; + + bpf_dump_all(bpf_image, bpf_prog_len); + + return CMD_OK; +} + +static int cmd_quit(char *dontcare) +{ + return CMD_EX; +} + +static const struct shell_cmd cmds[] = { + { .name = "load", .func = cmd_load }, + { .name = "select", .func = cmd_select }, + { .name = "step", .func = cmd_step }, + { .name = "run", .func = cmd_run }, + { .name = "breakpoint", .func = cmd_breakpoint }, + { .name = "disassemble", .func = cmd_disassemble }, + { .name = "dump", .func = cmd_dump }, + { .name = "quit", .func = cmd_quit }, +}; + +static int execf(char *arg) +{ + char *cmd, *cont, *tmp = strdup(arg); + int i, ret = 0, len; + + cmd = strtok_r(tmp, " ", &cont); + if (cmd == NULL) + goto out; + len = strlen(cmd); + for (i = 0; i < array_size(cmds); i++) { + if (len != strlen(cmds[i].name)) + continue; + if (strncmp(cmds[i].name, cmd, len) == 0) { + ret = cmds[i].func(cont); + break; + } + } +out: + free(tmp); + return ret; +} + +static char *shell_comp_gen(const char *buf, int state) +{ + static int list_index, len; + + if (!state) { + list_index = 0; + len = strlen(buf); + } + + for (; list_index < array_size(cmds); ) { + const char *name = cmds[list_index].name; + + list_index++; + if (strncmp(name, buf, len) == 0) + return strdup(name); + } + + return NULL; +} + +static char **shell_completion(const char *buf, int start, int end) +{ + char **matches = NULL; + + if (start == 0) + matches = rl_completion_matches(buf, shell_comp_gen); + + return matches; +} + +static void intr_shell(int sig) +{ + if (rl_end) + rl_kill_line(-1, 0); + + rl_crlf(); + rl_refresh_line(0, 0); + rl_free_line_state(); +} + +static void init_shell(FILE *fin, FILE *fout) +{ + char file[128]; + + snprintf(file, sizeof(file), "%s/.bpf_dbg_history", getenv("HOME")); + read_history(file); + + rl_instream = fin; + rl_outstream = fout; + + rl_readline_name = "bpf_dbg"; + rl_terminal_name = getenv("TERM"); + + rl_catch_signals = 0; + rl_catch_sigwinch = 1; + + rl_attempted_completion_function = shell_completion; + + rl_bind_key('\t', rl_complete); + + rl_bind_key_in_map('\t', rl_complete, emacs_meta_keymap); + rl_bind_key_in_map('\033', rl_complete, emacs_meta_keymap); + + snprintf(file, sizeof(file), "%s/.bpf_dbg_init", getenv("HOME")); + rl_read_init_file(file); + + rl_prep_terminal(0); + rl_set_signals(); + + signal(SIGINT, intr_shell); +} + +static void exit_shell(FILE *fin, FILE *fout) +{ + char file[128]; + + snprintf(file, sizeof(file), "%s/.bpf_dbg_history", getenv("HOME")); + write_history(file); + + clear_history(); + rl_deprep_terminal(); + + try_close_pcap(); + + if (fin != stdin) + fclose(fin); + if (fout != stdout) + fclose(fout); +} + +static int run_shell_loop(FILE *fin, FILE *fout) +{ + char *buf; + + init_shell(fin, fout); + + while ((buf = readline("> ")) != NULL) { + int ret = execf(buf); + if (ret == CMD_EX) + break; + if (ret == CMD_OK && strlen(buf) > 0) + add_history(buf); + + free(buf); + } + + exit_shell(fin, fout); + return 0; +} + +int main(int argc, char **argv) +{ + FILE *fin = NULL, *fout = NULL; + + if (argc >= 2) + fin = fopen(argv[1], "r"); + if (argc >= 3) + fout = fopen(argv[2], "w"); + + return run_shell_loop(fin ? : stdin, fout ? : stdout); +} diff --git a/tools/net/bpf_exp.l b/tools/net/bpf_exp.l new file mode 100644 index 00000000000..833a96611da --- /dev/null +++ b/tools/net/bpf_exp.l @@ -0,0 +1,144 @@ +/* + * BPF asm code lexer + * + * This program is free software; you can distribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation; either version 2 of the License, + * or (at your option) any later version. + * + * Syntax kept close to: + * + * Steven McCanne and Van Jacobson. 1993. The BSD packet filter: a new + * architecture for user-level packet capture. In Proceedings of the + * USENIX Winter 1993 Conference Proceedings on USENIX Winter 1993 + * Conference Proceedings (USENIX'93). USENIX Association, Berkeley, + * CA, USA, 2-2. + * + * Copyright 2013 Daniel Borkmann <borkmann@redhat.com> + * Licensed under the GNU General Public License, version 2.0 (GPLv2) + */ + +%{ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> + +#include "bpf_exp.yacc.h" + +extern void yyerror(const char *str); + +%} + +%option align +%option ecs + +%option nounput +%option noreject +%option noinput +%option noyywrap + +%option 8bit +%option caseless +%option yylineno + +%% + +"ldb" { return OP_LDB; } +"ldh" { return OP_LDH; } +"ld" { return OP_LD; } +"ldi" { return OP_LDI; } +"ldx" { return OP_LDX; } +"ldxi" { return OP_LDXI; } +"ldxb" { return OP_LDXB; } +"st" { return OP_ST; } +"stx" { return OP_STX; } +"jmp" { return OP_JMP; } +"ja" { return OP_JMP; } +"jeq" { return OP_JEQ; } +"jneq" { return OP_JNEQ; } +"jne" { return OP_JNEQ; } +"jlt" { return OP_JLT; } +"jle" { return OP_JLE; } +"jgt" { return OP_JGT; } +"jge" { return OP_JGE; } +"jset" { return OP_JSET; } +"add" { return OP_ADD; } +"sub" { return OP_SUB; } +"mul" { return OP_MUL; } +"div" { return OP_DIV; } +"mod" { return OP_MOD; } +"neg" { return OP_NEG; } +"and" { return OP_AND; } +"xor" { return OP_XOR; } +"or" { return OP_OR; } +"lsh" { return OP_LSH; } +"rsh" { return OP_RSH; } +"ret" { return OP_RET; } +"tax" { return OP_TAX; } +"txa" { return OP_TXA; } + +"#"?("len") { return K_PKT_LEN; } +"#"?("proto") { return K_PROTO; } +"#"?("type") { return K_TYPE; } +"#"?("poff") { return K_POFF; } +"#"?("ifidx") { return K_IFIDX; } +"#"?("nla") { return K_NLATTR; } +"#"?("nlan") { return K_NLATTR_NEST; } +"#"?("mark") { return K_MARK; } +"#"?("queue") { return K_QUEUE; } +"#"?("hatype") { return K_HATYPE; } +"#"?("rxhash") { return K_RXHASH; } +"#"?("cpu") { return K_CPU; } +"#"?("vlan_tci") { return K_VLANT; } +"#"?("vlan_pr") { return K_VLANP; } +"#"?("rand") { return K_RAND; } + +":" { return ':'; } +"," { return ','; } +"#" { return '#'; } +"%" { return '%'; } +"[" { return '['; } +"]" { return ']'; } +"(" { return '('; } +")" { return ')'; } +"x" { return 'x'; } +"a" { return 'a'; } +"+" { return '+'; } +"M" { return 'M'; } +"*" { return '*'; } +"&" { return '&'; } + +([0][x][a-fA-F0-9]+) { + yylval.number = strtoul(yytext, NULL, 16); + return number; + } +([0][b][0-1]+) { + yylval.number = strtol(yytext + 2, NULL, 2); + return number; + } +(([0])|([-+]?[1-9][0-9]*)) { + yylval.number = strtol(yytext, NULL, 10); + return number; + } +([0][0-9]+) { + yylval.number = strtol(yytext + 1, NULL, 8); + return number; + } +[a-zA-Z_][a-zA-Z0-9_]+ { + yylval.label = strdup(yytext); + return label; + } + +"/*"([^\*]|\*[^/])*"*/" { /* NOP */ } +";"[^\n]* { /* NOP */ } +^#.* { /* NOP */ } +[ \t]+ { /* NOP */ } +[ \n]+ { /* NOP */ } + +. { + printf("unknown character \'%s\'", yytext); + yyerror("lex unknown character"); + } + +%% diff --git a/tools/net/bpf_exp.y b/tools/net/bpf_exp.y new file mode 100644 index 00000000000..e6306c51c26 --- /dev/null +++ b/tools/net/bpf_exp.y @@ -0,0 +1,771 @@ +/* + * BPF asm code parser + * + * This program is free software; you can distribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation; either version 2 of the License, + * or (at your option) any later version. + * + * Syntax kept close to: + * + * Steven McCanne and Van Jacobson. 1993. The BSD packet filter: a new + * architecture for user-level packet capture. In Proceedings of the + * USENIX Winter 1993 Conference Proceedings on USENIX Winter 1993 + * Conference Proceedings (USENIX'93). USENIX Association, Berkeley, + * CA, USA, 2-2. + * + * Copyright 2013 Daniel Borkmann <borkmann@redhat.com> + * Licensed under the GNU General Public License, version 2.0 (GPLv2) + */ + +%{ + +#include <stdio.h> +#include <string.h> +#include <stdint.h> +#include <stdlib.h> +#include <stdbool.h> +#include <unistd.h> +#include <errno.h> +#include <assert.h> +#include <linux/filter.h> + +#include "bpf_exp.yacc.h" + +enum jmp_type { JTL, JFL, JKL }; + +extern FILE *yyin; +extern int yylex(void); +extern void yyerror(const char *str); + +extern void bpf_asm_compile(FILE *fp, bool cstyle); +static void bpf_set_curr_instr(uint16_t op, uint8_t jt, uint8_t jf, uint32_t k); +static void bpf_set_curr_label(char *label); +static void bpf_set_jmp_label(char *label, enum jmp_type type); + +%} + +%union { + char *label; + uint32_t number; +} + +%token OP_LDB OP_LDH OP_LD OP_LDX OP_ST OP_STX OP_JMP OP_JEQ OP_JGT OP_JGE +%token OP_JSET OP_ADD OP_SUB OP_MUL OP_DIV OP_AND OP_OR OP_XOR OP_LSH OP_RSH +%token OP_RET OP_TAX OP_TXA OP_LDXB OP_MOD OP_NEG OP_JNEQ OP_JLT OP_JLE OP_LDI +%token OP_LDXI + +%token K_PKT_LEN K_PROTO K_TYPE K_NLATTR K_NLATTR_NEST K_MARK K_QUEUE K_HATYPE +%token K_RXHASH K_CPU K_IFIDX K_VLANT K_VLANP K_POFF K_RAND + +%token ':' ',' '[' ']' '(' ')' 'x' 'a' '+' 'M' '*' '&' '#' '%' + +%token number label + +%type <label> label +%type <number> number + +%% + +prog + : line + | prog line + ; + +line + : instr + | labelled_instr + ; + +labelled_instr + : labelled instr + ; + +instr + : ldb + | ldh + | ld + | ldi + | ldx + | ldxi + | st + | stx + | jmp + | jeq + | jneq + | jlt + | jle + | jgt + | jge + | jset + | add + | sub + | mul + | div + | mod + | neg + | and + | or + | xor + | lsh + | rsh + | ret + | tax + | txa + ; + +labelled + : label ':' { bpf_set_curr_label($1); } + ; + +ldb + : OP_LDB '[' 'x' '+' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_IND, 0, 0, $5); } + | OP_LDB '[' '%' 'x' '+' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_IND, 0, 0, $6); } + | OP_LDB '[' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, $3); } + | OP_LDB K_PROTO { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PROTOCOL); } + | OP_LDB K_TYPE { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PKTTYPE); } + | OP_LDB K_IFIDX { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_IFINDEX); } + | OP_LDB K_NLATTR { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_NLATTR); } + | OP_LDB K_NLATTR_NEST { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_NLATTR_NEST); } + | OP_LDB K_MARK { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_MARK); } + | OP_LDB K_QUEUE { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_QUEUE); } + | OP_LDB K_HATYPE { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_HATYPE); } + | OP_LDB K_RXHASH { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_RXHASH); } + | OP_LDB K_CPU { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_CPU); } + | OP_LDB K_VLANT { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_VLAN_TAG); } + | OP_LDB K_VLANP { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_VLAN_TAG_PRESENT); } + | OP_LDB K_POFF { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PAY_OFFSET); } + | OP_LDB K_RAND { + bpf_set_curr_instr(BPF_LD | BPF_B | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_RANDOM); } + ; + +ldh + : OP_LDH '[' 'x' '+' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_IND, 0, 0, $5); } + | OP_LDH '[' '%' 'x' '+' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_IND, 0, 0, $6); } + | OP_LDH '[' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, $3); } + | OP_LDH K_PROTO { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PROTOCOL); } + | OP_LDH K_TYPE { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PKTTYPE); } + | OP_LDH K_IFIDX { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_IFINDEX); } + | OP_LDH K_NLATTR { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_NLATTR); } + | OP_LDH K_NLATTR_NEST { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_NLATTR_NEST); } + | OP_LDH K_MARK { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_MARK); } + | OP_LDH K_QUEUE { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_QUEUE); } + | OP_LDH K_HATYPE { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_HATYPE); } + | OP_LDH K_RXHASH { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_RXHASH); } + | OP_LDH K_CPU { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_CPU); } + | OP_LDH K_VLANT { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_VLAN_TAG); } + | OP_LDH K_VLANP { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_VLAN_TAG_PRESENT); } + | OP_LDH K_POFF { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PAY_OFFSET); } + | OP_LDH K_RAND { + bpf_set_curr_instr(BPF_LD | BPF_H | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_RANDOM); } + ; + +ldi + : OP_LDI '#' number { + bpf_set_curr_instr(BPF_LD | BPF_IMM, 0, 0, $3); } + | OP_LDI number { + bpf_set_curr_instr(BPF_LD | BPF_IMM, 0, 0, $2); } + ; + +ld + : OP_LD '#' number { + bpf_set_curr_instr(BPF_LD | BPF_IMM, 0, 0, $3); } + | OP_LD K_PKT_LEN { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_LEN, 0, 0, 0); } + | OP_LD K_PROTO { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PROTOCOL); } + | OP_LD K_TYPE { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PKTTYPE); } + | OP_LD K_IFIDX { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_IFINDEX); } + | OP_LD K_NLATTR { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_NLATTR); } + | OP_LD K_NLATTR_NEST { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_NLATTR_NEST); } + | OP_LD K_MARK { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_MARK); } + | OP_LD K_QUEUE { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_QUEUE); } + | OP_LD K_HATYPE { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_HATYPE); } + | OP_LD K_RXHASH { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_RXHASH); } + | OP_LD K_CPU { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_CPU); } + | OP_LD K_VLANT { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_VLAN_TAG); } + | OP_LD K_VLANP { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_VLAN_TAG_PRESENT); } + | OP_LD K_POFF { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_PAY_OFFSET); } + | OP_LD K_RAND { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, + SKF_AD_OFF + SKF_AD_RANDOM); } + | OP_LD 'M' '[' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_MEM, 0, 0, $4); } + | OP_LD '[' 'x' '+' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_IND, 0, 0, $5); } + | OP_LD '[' '%' 'x' '+' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_IND, 0, 0, $6); } + | OP_LD '[' number ']' { + bpf_set_curr_instr(BPF_LD | BPF_W | BPF_ABS, 0, 0, $3); } + ; + +ldxi + : OP_LDXI '#' number { + bpf_set_curr_instr(BPF_LDX | BPF_IMM, 0, 0, $3); } + | OP_LDXI number { + bpf_set_curr_instr(BPF_LDX | BPF_IMM, 0, 0, $2); } + ; + +ldx + : OP_LDX '#' number { + bpf_set_curr_instr(BPF_LDX | BPF_IMM, 0, 0, $3); } + | OP_LDX K_PKT_LEN { + bpf_set_curr_instr(BPF_LDX | BPF_W | BPF_LEN, 0, 0, 0); } + | OP_LDX 'M' '[' number ']' { + bpf_set_curr_instr(BPF_LDX | BPF_MEM, 0, 0, $4); } + | OP_LDXB number '*' '(' '[' number ']' '&' number ')' { + if ($2 != 4 || $9 != 0xf) { + fprintf(stderr, "ldxb offset not supported!\n"); + exit(0); + } else { + bpf_set_curr_instr(BPF_LDX | BPF_MSH | BPF_B, 0, 0, $6); } } + | OP_LDX number '*' '(' '[' number ']' '&' number ')' { + if ($2 != 4 || $9 != 0xf) { + fprintf(stderr, "ldxb offset not supported!\n"); + exit(0); + } else { + bpf_set_curr_instr(BPF_LDX | BPF_MSH | BPF_B, 0, 0, $6); } } + ; + +st + : OP_ST 'M' '[' number ']' { + bpf_set_curr_instr(BPF_ST, 0, 0, $4); } + ; + +stx + : OP_STX 'M' '[' number ']' { + bpf_set_curr_instr(BPF_STX, 0, 0, $4); } + ; + +jmp + : OP_JMP label { + bpf_set_jmp_label($2, JKL); + bpf_set_curr_instr(BPF_JMP | BPF_JA, 0, 0, 0); } + ; + +jeq + : OP_JEQ '#' number ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_K, 0, 0, $3); } + | OP_JEQ 'x' ',' label ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_jmp_label($6, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 0); } + | OP_JEQ '%' 'x' ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 0); } + | OP_JEQ '#' number ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_K, 0, 0, $3); } + | OP_JEQ 'x' ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 0); } + | OP_JEQ '%' 'x' ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 0); } + ; + +jneq + : OP_JNEQ '#' number ',' label { + bpf_set_jmp_label($5, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_K, 0, 0, $3); } + | OP_JNEQ 'x' ',' label { + bpf_set_jmp_label($4, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 0); } + | OP_JNEQ '%' 'x' ',' label { + bpf_set_jmp_label($5, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 0); } + ; + +jlt + : OP_JLT '#' number ',' label { + bpf_set_jmp_label($5, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_K, 0, 0, $3); } + | OP_JLT 'x' ',' label { + bpf_set_jmp_label($4, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_X, 0, 0, 0); } + | OP_JLT '%' 'x' ',' label { + bpf_set_jmp_label($5, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_X, 0, 0, 0); } + ; + +jle + : OP_JLE '#' number ',' label { + bpf_set_jmp_label($5, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_K, 0, 0, $3); } + | OP_JLE 'x' ',' label { + bpf_set_jmp_label($4, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 0); } + | OP_JLE '%' 'x' ',' label { + bpf_set_jmp_label($5, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 0); } + ; + +jgt + : OP_JGT '#' number ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_K, 0, 0, $3); } + | OP_JGT 'x' ',' label ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_jmp_label($6, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 0); } + | OP_JGT '%' 'x' ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 0); } + | OP_JGT '#' number ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_K, 0, 0, $3); } + | OP_JGT 'x' ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 0); } + | OP_JGT '%' 'x' ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 0); } + ; + +jge + : OP_JGE '#' number ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_K, 0, 0, $3); } + | OP_JGE 'x' ',' label ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_jmp_label($6, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_X, 0, 0, 0); } + | OP_JGE '%' 'x' ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_X, 0, 0, 0); } + | OP_JGE '#' number ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_K, 0, 0, $3); } + | OP_JGE 'x' ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_X, 0, 0, 0); } + | OP_JGE '%' 'x' ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JGE | BPF_X, 0, 0, 0); } + ; + +jset + : OP_JSET '#' number ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JSET | BPF_K, 0, 0, $3); } + | OP_JSET 'x' ',' label ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_jmp_label($6, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JSET | BPF_X, 0, 0, 0); } + | OP_JSET '%' 'x' ',' label ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_jmp_label($7, JFL); + bpf_set_curr_instr(BPF_JMP | BPF_JSET | BPF_X, 0, 0, 0); } + | OP_JSET '#' number ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JSET | BPF_K, 0, 0, $3); } + | OP_JSET 'x' ',' label { + bpf_set_jmp_label($4, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JSET | BPF_X, 0, 0, 0); } + | OP_JSET '%' 'x' ',' label { + bpf_set_jmp_label($5, JTL); + bpf_set_curr_instr(BPF_JMP | BPF_JSET | BPF_X, 0, 0, 0); } + ; + +add + : OP_ADD '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_ADD | BPF_K, 0, 0, $3); } + | OP_ADD 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_ADD | BPF_X, 0, 0, 0); } + | OP_ADD '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_ADD | BPF_X, 0, 0, 0); } + ; + +sub + : OP_SUB '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_SUB | BPF_K, 0, 0, $3); } + | OP_SUB 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_SUB | BPF_X, 0, 0, 0); } + | OP_SUB '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_SUB | BPF_X, 0, 0, 0); } + ; + +mul + : OP_MUL '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_MUL | BPF_K, 0, 0, $3); } + | OP_MUL 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_MUL | BPF_X, 0, 0, 0); } + | OP_MUL '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_MUL | BPF_X, 0, 0, 0); } + ; + +div + : OP_DIV '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_DIV | BPF_K, 0, 0, $3); } + | OP_DIV 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_DIV | BPF_X, 0, 0, 0); } + | OP_DIV '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_DIV | BPF_X, 0, 0, 0); } + ; + +mod + : OP_MOD '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_MOD | BPF_K, 0, 0, $3); } + | OP_MOD 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_MOD | BPF_X, 0, 0, 0); } + | OP_MOD '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_MOD | BPF_X, 0, 0, 0); } + ; + +neg + : OP_NEG { + bpf_set_curr_instr(BPF_ALU | BPF_NEG, 0, 0, 0); } + ; + +and + : OP_AND '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_AND | BPF_K, 0, 0, $3); } + | OP_AND 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_AND | BPF_X, 0, 0, 0); } + | OP_AND '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_AND | BPF_X, 0, 0, 0); } + ; + +or + : OP_OR '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_OR | BPF_K, 0, 0, $3); } + | OP_OR 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_OR | BPF_X, 0, 0, 0); } + | OP_OR '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_OR | BPF_X, 0, 0, 0); } + ; + +xor + : OP_XOR '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_XOR | BPF_K, 0, 0, $3); } + | OP_XOR 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_XOR | BPF_X, 0, 0, 0); } + | OP_XOR '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_XOR | BPF_X, 0, 0, 0); } + ; + +lsh + : OP_LSH '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_LSH | BPF_K, 0, 0, $3); } + | OP_LSH 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_LSH | BPF_X, 0, 0, 0); } + | OP_LSH '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_LSH | BPF_X, 0, 0, 0); } + ; + +rsh + : OP_RSH '#' number { + bpf_set_curr_instr(BPF_ALU | BPF_RSH | BPF_K, 0, 0, $3); } + | OP_RSH 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_RSH | BPF_X, 0, 0, 0); } + | OP_RSH '%' 'x' { + bpf_set_curr_instr(BPF_ALU | BPF_RSH | BPF_X, 0, 0, 0); } + ; + +ret + : OP_RET 'a' { + bpf_set_curr_instr(BPF_RET | BPF_A, 0, 0, 0); } + | OP_RET '%' 'a' { + bpf_set_curr_instr(BPF_RET | BPF_A, 0, 0, 0); } + | OP_RET 'x' { + bpf_set_curr_instr(BPF_RET | BPF_X, 0, 0, 0); } + | OP_RET '%' 'x' { + bpf_set_curr_instr(BPF_RET | BPF_X, 0, 0, 0); } + | OP_RET '#' number { + bpf_set_curr_instr(BPF_RET | BPF_K, 0, 0, $3); } + ; + +tax + : OP_TAX { + bpf_set_curr_instr(BPF_MISC | BPF_TAX, 0, 0, 0); } + ; + +txa + : OP_TXA { + bpf_set_curr_instr(BPF_MISC | BPF_TXA, 0, 0, 0); } + ; + +%% + +static int curr_instr = 0; +static struct sock_filter out[BPF_MAXINSNS]; +static char **labels, **labels_jt, **labels_jf, **labels_k; + +static void bpf_assert_max(void) +{ + if (curr_instr >= BPF_MAXINSNS) { + fprintf(stderr, "only max %u insns allowed!\n", BPF_MAXINSNS); + exit(0); + } +} + +static void bpf_set_curr_instr(uint16_t code, uint8_t jt, uint8_t jf, + uint32_t k) +{ + bpf_assert_max(); + out[curr_instr].code = code; + out[curr_instr].jt = jt; + out[curr_instr].jf = jf; + out[curr_instr].k = k; + curr_instr++; +} + +static void bpf_set_curr_label(char *label) +{ + bpf_assert_max(); + labels[curr_instr] = label; +} + +static void bpf_set_jmp_label(char *label, enum jmp_type type) +{ + bpf_assert_max(); + switch (type) { + case JTL: + labels_jt[curr_instr] = label; + break; + case JFL: + labels_jf[curr_instr] = label; + break; + case JKL: + labels_k[curr_instr] = label; + break; + } +} + +static int bpf_find_insns_offset(const char *label) +{ + int i, max = curr_instr, ret = -ENOENT; + + for (i = 0; i < max; i++) { + if (labels[i] && !strcmp(label, labels[i])) { + ret = i; + break; + } + } + + if (ret == -ENOENT) { + fprintf(stderr, "no such label \'%s\'!\n", label); + exit(0); + } + + return ret; +} + +static void bpf_stage_1_insert_insns(void) +{ + yyparse(); +} + +static void bpf_reduce_k_jumps(void) +{ + int i; + + for (i = 0; i < curr_instr; i++) { + if (labels_k[i]) { + int off = bpf_find_insns_offset(labels_k[i]); + out[i].k = (uint32_t) (off - i - 1); + } + } +} + +static void bpf_reduce_jt_jumps(void) +{ + int i; + + for (i = 0; i < curr_instr; i++) { + if (labels_jt[i]) { + int off = bpf_find_insns_offset(labels_jt[i]); + out[i].jt = (uint8_t) (off - i -1); + } + } +} + +static void bpf_reduce_jf_jumps(void) +{ + int i; + + for (i = 0; i < curr_instr; i++) { + if (labels_jf[i]) { + int off = bpf_find_insns_offset(labels_jf[i]); + out[i].jf = (uint8_t) (off - i - 1); + } + } +} + +static void bpf_stage_2_reduce_labels(void) +{ + bpf_reduce_k_jumps(); + bpf_reduce_jt_jumps(); + bpf_reduce_jf_jumps(); +} + +static void bpf_pretty_print_c(void) +{ + int i; + + for (i = 0; i < curr_instr; i++) + printf("{ %#04x, %2u, %2u, %#010x },\n", out[i].code, + out[i].jt, out[i].jf, out[i].k); +} + +static void bpf_pretty_print(void) +{ + int i; + + printf("%u,", curr_instr); + for (i = 0; i < curr_instr; i++) + printf("%u %u %u %u,", out[i].code, + out[i].jt, out[i].jf, out[i].k); + printf("\n"); +} + +static void bpf_init(void) +{ + memset(out, 0, sizeof(out)); + + labels = calloc(BPF_MAXINSNS, sizeof(*labels)); + assert(labels); + labels_jt = calloc(BPF_MAXINSNS, sizeof(*labels_jt)); + assert(labels_jt); + labels_jf = calloc(BPF_MAXINSNS, sizeof(*labels_jf)); + assert(labels_jf); + labels_k = calloc(BPF_MAXINSNS, sizeof(*labels_k)); + assert(labels_k); +} + +static void bpf_destroy_labels(void) +{ + int i; + + for (i = 0; i < curr_instr; i++) { + free(labels_jf[i]); + free(labels_jt[i]); + free(labels_k[i]); + free(labels[i]); + } +} + +static void bpf_destroy(void) +{ + bpf_destroy_labels(); + free(labels_jt); + free(labels_jf); + free(labels_k); + free(labels); +} + +void bpf_asm_compile(FILE *fp, bool cstyle) +{ + yyin = fp; + + bpf_init(); + bpf_stage_1_insert_insns(); + bpf_stage_2_reduce_labels(); + bpf_destroy(); + + if (cstyle) + bpf_pretty_print_c(); + else + bpf_pretty_print(); + + if (fp != stdin) + fclose(yyin); +} + +void yyerror(const char *str) +{ + exit(1); +} diff --git a/tools/net/bpf_jit_disasm.c b/tools/net/bpf_jit_disasm.c index cfe0cdcda3d..c5baf9c591b 100644 --- a/tools/net/bpf_jit_disasm.c +++ b/tools/net/bpf_jit_disasm.c @@ -43,8 +43,7 @@ static void get_exec_path(char *tpath, size_t size) free(path); } -static void get_asm_insns(uint8_t *image, size_t len, unsigned long base, - int opcodes) +static void get_asm_insns(uint8_t *image, size_t len, int opcodes) { int count, i, pc = 0; char tpath[256]; @@ -107,13 +106,13 @@ static void put_klog_buff(char *buff) } static int get_last_jit_image(char *haystack, size_t hlen, - uint8_t *image, size_t ilen, - unsigned long *base) + uint8_t *image, size_t ilen) { char *ptr, *pptr, *tmp; off_t off = 0; int ret, flen, proglen, pass, ulen = 0; regmatch_t pmatch[1]; + unsigned long base; regex_t regex; if (hlen == 0) @@ -136,7 +135,7 @@ static int get_last_jit_image(char *haystack, size_t hlen, ptr = haystack + off - (pmatch[0].rm_eo - pmatch[0].rm_so); ret = sscanf(ptr, "flen=%d proglen=%d pass=%d image=%lx", - &flen, &proglen, &pass, base); + &flen, &proglen, &pass, &base); if (ret != 4) return 0; @@ -162,7 +161,7 @@ static int get_last_jit_image(char *haystack, size_t hlen, assert(ulen == proglen); printf("%d bytes emitted from JIT compiler (pass:%d, flen:%d)\n", proglen, pass, flen); - printf("%lx + <x>:\n", *base); + printf("%lx + <x>:\n", base); regfree(®ex); return ulen; @@ -172,8 +171,7 @@ int main(int argc, char **argv) { int len, klen, opcodes = 0; char *kbuff; - unsigned long base; - uint8_t image[4096]; + static uint8_t image[32768]; if (argc > 1) { if (!strncmp("-o", argv[argc - 1], 2)) { @@ -189,9 +187,9 @@ int main(int argc, char **argv) kbuff = get_klog_buff(&klen); - len = get_last_jit_image(kbuff, klen, image, sizeof(image), &base); - if (len > 0 && base > 0) - get_asm_insns(image, len, base, opcodes); + len = get_last_jit_image(kbuff, klen, image, sizeof(image)); + if (len > 0) + get_asm_insns(image, len, opcodes); put_klog_buff(kbuff); diff --git a/tools/perf/Documentation/perf-archive.txt b/tools/perf/Documentation/perf-archive.txt index 5032a142853..ac6ecbb3e66 100644 --- a/tools/perf/Documentation/perf-archive.txt +++ b/tools/perf/Documentation/perf-archive.txt @@ -12,9 +12,9 @@ SYNOPSIS DESCRIPTION ----------- -This command runs runs perf-buildid-list --with-hits, and collects the files -with the buildids found so that analysis of perf.data contents can be possible -on another machine. +This command runs perf-buildid-list --with-hits, and collects the files with the +buildids found so that analysis of perf.data contents can be possible on another +machine. SEE ALSO diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt index 7065cd6fbdf..4464ad770d5 100644 --- a/tools/perf/Documentation/perf-bench.txt +++ b/tools/perf/Documentation/perf-bench.txt @@ -48,6 +48,12 @@ SUBSYSTEM 'mem':: Memory access performance. +'numa':: + NUMA scheduling and MM benchmarks. + +'futex':: + Futex stressing benchmarks. + 'all':: All benchmark subsystems. @@ -187,6 +193,22 @@ Show only the result with page faults before memset. --no-prefault:: Show only the result without page faults before memset. +SUITES FOR 'numa' +~~~~~~~~~~~~~~~~~ +*mem*:: +Suite for evaluating NUMA workloads. + +SUITES FOR 'futex' +~~~~~~~~~~~~~~~~~~ +*hash*:: +Suite for evaluating hash tables. + +*wake*:: +Suite for evaluating wake calls. + +*requeue*:: +Suite for evaluating requeue calls. + SEE ALSO -------- linkperf:perf[1] diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt index fdfceee0ffd..b3b8abae62b 100644 --- a/tools/perf/Documentation/perf-diff.txt +++ b/tools/perf/Documentation/perf-diff.txt @@ -33,21 +33,25 @@ OPTIONS -d:: --dsos=:: Only consider symbols in these dsos. CSV that understands - file://filename entries. + file://filename entries. This option will affect the percentage + of the Baseline/Delta column. See --percentage for more info. -C:: --comms=:: Only consider symbols in these comms. CSV that understands - file://filename entries. + file://filename entries. This option will affect the percentage + of the Baseline/Delta column. See --percentage for more info. -S:: --symbols=:: Only consider these symbols. CSV that understands - file://filename entries. + file://filename entries. This option will affect the percentage + of the Baseline/Delta column. See --percentage for more info. -s:: --sort=:: - Sort by key(s): pid, comm, dso, symbol. + Sort by key(s): pid, comm, dso, symbol, cpu, parent, srcline. + Please see description of --sort in the perf-report man page. -t:: --field-separator=:: @@ -89,6 +93,14 @@ OPTIONS --order:: Specify compute sorting column number. +--percentage:: + Determine how to display the overhead percentage of filtered entries. + Filters can be applied by --comms, --dsos and/or --symbols options. + + "relative" means it's relative to filtered entries only so that the + sum of shown entries will be always 100%. "absolute" means it retains + the original value before and after the filter is applied. + COMPARISON ---------- The comparison is governed by the baseline file. The baseline perf.data @@ -157,6 +169,10 @@ with: - period_percent being the % of the hist entry period value within single data file + - with filtering by -C, -d and/or -S, period_percent might be changed + relative to how entries are filtered. Use --percentage=absolute to + prevent such fluctuation. + ratio ~~~~~ If specified the 'Ratio' column is displayed with value 'r' computed as: @@ -187,4 +203,4 @@ If specified the 'Weighted diff' column is displayed with value 'd' computed as: SEE ALSO -------- -linkperf:perf-record[1] +linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt index 6a06cefe964..52276a6d2b7 100644 --- a/tools/perf/Documentation/perf-kvm.txt +++ b/tools/perf/Documentation/perf-kvm.txt @@ -10,9 +10,9 @@ SYNOPSIS [verse] 'perf kvm' [--host] [--guest] [--guestmount=<path> [--guestkallsyms=<path> --guestmodules=<path> | --guestvmlinux=<path>]] - {top|record|report|diff|buildid-list} + {top|record|report|diff|buildid-list} [<options>] 'perf kvm' [--host] [--guest] [--guestkallsyms=<path> --guestmodules=<path> - | --guestvmlinux=<path>] {top|record|report|diff|buildid-list|stat} + | --guestvmlinux=<path>] {top|record|report|diff|buildid-list|stat} [<options>] 'perf kvm stat [record|report|live] [<options>] DESCRIPTION @@ -24,10 +24,17 @@ There are a couple of variants of perf kvm: of an arbitrary workload. 'perf kvm record <command>' to record the performance counter profile - of an arbitrary workload and save it into a perf data file. If both - --host and --guest are input, the perf data file name is perf.data.kvm. - If there is no --host but --guest, the file name is perf.data.guest. - If there is no --guest but --host, the file name is perf.data.host. + of an arbitrary workload and save it into a perf data file. We set the + default behavior of perf kvm as --guest, so if neither --host nor --guest + is input, the perf data file name is perf.data.guest. If --host is input, + the perf data file name is perf.data.kvm. If you want to record data into + perf.data.host, please input --host --no-guest. The behaviors are shown as + following: + Default('') -> perf.data.guest + --host -> perf.data.kvm + --guest -> perf.data.guest + --host --guest -> perf.data.kvm + --host --no-guest -> perf.data.host 'perf kvm report' to display the performance counter profile information recorded via perf kvm record. @@ -37,7 +44,9 @@ There are a couple of variants of perf kvm: 'perf kvm buildid-list' to display the buildids found in a perf data file, so that other tools can be used to fetch packages with matching symbol tables - for use by perf report. + for use by perf report. As buildid is read from /sys/kernel/notes in os, then + if you want to list the buildid for guest, please make sure your perf data file + was captured with --guestmount in perf kvm record. 'perf kvm stat <command>' to run a command and gather performance counter statistics. @@ -58,14 +67,14 @@ There are a couple of variants of perf kvm: OPTIONS ------- -i:: ---input=:: +--input=<path>:: Input file name. -o:: ---output:: +--output=<path>:: Output file name. ---host=:: +--host:: Collect host side performance profile. ---guest=:: +--guest:: Collect guest side performance profile. --guestmount=<path>:: Guest os root file system mount directory. Users mounts guest os @@ -84,6 +93,9 @@ OPTIONS kernel module information. Users copy it out from guest os. --guestvmlinux=<path>:: Guest os kernel vmlinux. +-v:: +--verbose:: + Be more verbose (show counter open errors, etc). STAT REPORT OPTIONS ------------------- diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt index 888d51137fb..1d78a4064da 100644 --- a/tools/perf/Documentation/perf-mem.txt +++ b/tools/perf/Documentation/perf-mem.txt @@ -18,6 +18,10 @@ from it, into perf.data. Perf record options are accepted and are passed through "perf mem -t <TYPE> report" displays the result. It invokes perf report with the right set of options to display a memory access profile. +Note that on Intel systems the memory latency reported is the use-latency, +not the pure load (or store latency). Use latency includes any pipeline +queueing delays in addition to the memory subsystem latency. + OPTIONS ------- <command>...:: diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index b715cb71592..1513935c399 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -136,6 +136,8 @@ Each probe argument follows below syntax. 'NAME' specifies the name of this argument (optional). You can use the name of local variable, local data structure member (e.g. var->field, var.field2), local array with fixed index (e.g. array[1], var->array[0], var->pointer[2]), or kprobe-tracer argument format (e.g. $retval, %ax, etc). Note that the name of this argument will be set as the last member name if you specify a local data structure member (e.g. field2 for 'var->field1.field2'.) 'TYPE' casts the type of this argument (optional). If omitted, perf probe automatically set the type based on debuginfo. You can specify 'string' type only for the local variable or structure member which is an array of or a pointer to 'char' or 'unsigned char' type. +On x86 systems %REG is always the short form of the register: for example %AX. %RAX or %EAX is not valid. + LINE SYNTAX ----------- Line range is described by following syntax. diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 43b42c4f4a9..d460049cae8 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -57,6 +57,8 @@ OPTIONS -t:: --tid=:: Record events on existing thread ID (comma separated list). + This option also disables inheritance by default. Enable it by adding + --inherit. -u:: --uid=:: @@ -66,8 +68,7 @@ OPTIONS --realtime=:: Collect data with this RT SCHED_FIFO priority. --D:: ---no-delay:: +--no-buffering:: Collect data without buffering. -c:: @@ -183,9 +184,10 @@ following filters are defined: - in_tx: only when the target is in a hardware transaction - no_tx: only when the target is not in a hardware transaction - abort_tx: only when the target is a hardware transaction abort + - cond: conditional branches + -The option requires at least one branch type among any, any_call, any_ret, ind_call. +The option requires at least one branch type among any, any_call, any_ret, ind_call, cond. The privilege levels may be omitted, in which case, the privilege levels of the associated event are applied to the branch filter. Both kernel (k) and hypervisor (hv) privilege levels are subject to permissions. When sampling on multiple events, branch stack sampling @@ -201,11 +203,16 @@ abort events and some memory events in precise mode on modern Intel CPUs. --transaction:: Record transaction flags for transaction related events. ---force-per-cpu:: -Force the use of per-cpu mmaps. By default, when tasks are specified (i.e. -p, --t or -u options) per-thread mmaps are created. This option overrides that and -forces per-cpu mmaps. A side-effect of that is that inheritance is -automatically enabled. Add the -i option also to disable inheritance. +--per-thread:: +Use per-thread mmaps. By default per-cpu mmaps are created. This option +overrides that and uses per-thread mmaps. A side-effect of that is that +inheritance is automatically disabled. --per-thread is ignored with a warning +if combined with -a or -C options. + +-D:: +--delay=:: +After starting the program, wait msecs before measuring. This is useful to +filter out the startup phase of the program, which is often very different. SEE ALSO -------- diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 10a27987125..d2b59af62bc 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -25,10 +25,6 @@ OPTIONS --verbose:: Be more verbose. (show symbol address, etc) --d:: ---dsos=:: - Only consider symbols in these dsos. CSV that understands - file://filename entries. -n:: --show-nr-samples:: Show the number of samples for each symbol @@ -42,11 +38,18 @@ OPTIONS -c:: --comms=:: Only consider symbols in these comms. CSV that understands - file://filename entries. + file://filename entries. This option will affect the percentage of + the overhead column. See --percentage for more info. +-d:: +--dsos=:: + Only consider symbols in these dsos. CSV that understands + file://filename entries. This option will affect the percentage of + the overhead column. See --percentage for more info. -S:: --symbols=:: Only consider these symbols. CSV that understands - file://filename entries. + file://filename entries. This option will affect the percentage of + the overhead column. See --percentage for more info. --symbol-filter=:: Only show symbols that match (partially) with this filter. @@ -76,6 +79,15 @@ OPTIONS abort cost. This is the global weight. - local_weight: Local weight version of the weight above. - transaction: Transaction abort flags. + - overhead: Overhead percentage of sample + - overhead_sys: Overhead percentage of sample running in system mode + - overhead_us: Overhead percentage of sample running in user mode + - overhead_guest_sys: Overhead percentage of sample running in system mode + on guest machine + - overhead_guest_us: Overhead percentage of sample running in user mode on + guest machine + - sample: Number of sample + - period: Raw number of event count of sample By default, comm, dso and symbol keys are used. (i.e. --sort comm,dso,symbol) @@ -95,6 +107,32 @@ OPTIONS And default sort keys are changed to comm, dso_from, symbol_from, dso_to and symbol_to, see '--branch-stack'. +-F:: +--fields=:: + Specify output field - multiple keys can be specified in CSV format. + Following fields are available: + overhead, overhead_sys, overhead_us, overhead_children, sample and period. + Also it can contain any sort key(s). + + By default, every sort keys not specified in -F will be appended + automatically. + + If --mem-mode option is used, following sort keys are also available + (incompatible with --branch-stack): + symbol_daddr, dso_daddr, locked, tlb, mem, snoop, dcacheline. + + - symbol_daddr: name of data symbol being executed on at the time of sample + - dso_daddr: name of library or module containing the data being executed + on at the time of sample + - locked: whether the bus was locked at the time of sample + - tlb: type of tlb access for the data at the time of sample + - mem: type of memory access for the data at the time of sample + - snoop: type of snoop (if any) for the data at the time of sample + - dcacheline: the cacheline the data address is on at the time of sample + + And default sort keys are changed to local_weight, mem, sym, dso, + symbol_daddr, dso_daddr, snoop, tlb, locked, see '--mem-mode'. + -p:: --parent=<regex>:: A regex filter to identify parent. The parent is a caller of this @@ -141,6 +179,11 @@ OPTIONS Default: fractal,0.5,callee,function. +--children:: + Accumulate callchain of children to parent entry so that then can + show up in the output. The output will have a new "Children" column + and will be sorted on the data. It requires callchains are recorded. + --max-stack:: Set the stack depth limit when parsing the callchain, anything beyond the specified depth will be ignored. This is a trade-off @@ -233,10 +276,35 @@ OPTIONS Demangle symbol names to human readable form. It's enabled by default, disable with --no-demangle. +--mem-mode:: + Use the data addresses of samples in addition to instruction addresses + to build the histograms. To generate meaningful output, the perf.data + file must have been obtained using perf record -d -W and using a + special event -e cpu/mem-loads/ or -e cpu/mem-stores/. See + 'perf mem' for simpler access. + --percent-limit:: Do not show entries which have an overhead under that percent. (Default: 0). +--percentage:: + Determine how to display the overhead percentage of filtered entries. + Filters can be applied by --comms, --dsos and/or --symbols options and + Zoom operations on the TUI (thread, dso, etc). + + "relative" means it's relative to filtered entries only so that the + sum of shown entries will be always 100%. "absolute" means it retains + the original value before and after the filter is applied. + +--header:: + Show header information in the perf.data file. This includes + various information like hostname, OS and perf version, cpu/mem + info, perf command line, event list and so on. Currently only + --stdio output supports this feature. + +--header-only:: + Show only perf.data header (forces --stdio). + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-annotate[1] diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index e9cbfcddfa3..05f9a0a6784 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -115,7 +115,7 @@ OPTIONS -f:: --fields:: Comma separated list of fields to print. Options are: - comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff. + comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff, srcline. Field list can be prepended with the type, trace, sw or hw, to indicate to which event type the field list applies. e.g., -f sw:comm,tid,time,ip,sym and -f trace:time,cpu,trace @@ -203,6 +203,18 @@ OPTIONS --show-kernel-path:: Try to resolve the path of [kernel.kallsyms] +--show-task-events + Display task related events (e.g. FORK, COMM, EXIT). + +--show-mmap-events + Display mmap related events (e.g. MMAP, MMAP2). + +--header + Show perf.data header. + +--header-only + Show only perf.data header. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 80c7da6732f..29ee857c09c 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -133,7 +133,7 @@ use --per-core in addition to -a. (system-wide). The output includes the core number and the number of online logical processors on that physical processor. -D msecs:: ---initial-delay msecs:: +--delay msecs:: After starting the program, wait msecs before measuring. This is useful to filter out the startup phase of the program, which is often very different. diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 3ff8bd4f0b4..5e0f986dff3 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -8,8 +8,7 @@ perf-timechart - Tool to visualize total system behavior during a workload SYNOPSIS -------- [verse] -'perf timechart' record <command> -'perf timechart' [<options>] +'perf timechart' [<timechart options>] {record} [<record options>] DESCRIPTION ----------- @@ -21,8 +20,8 @@ There are two variants of perf timechart: 'perf timechart' to turn a trace into a Scalable Vector Graphics file, that can be viewed with popular SVG viewers such as 'Inkscape'. -OPTIONS -------- +TIMECHART OPTIONS +----------------- -o:: --output=:: Select the output file (default: output.svg) @@ -35,12 +34,38 @@ OPTIONS -P:: --power-only:: Only output the CPU power section of the diagram +-T:: +--tasks-only:: + Don't output processor state transitions -p:: --process:: Select the processes to display, by name or PID --symfs=<directory>:: Look for files with symbols relative to this directory. +-n:: +--proc-num:: + Print task info for at least given number of tasks. +-t:: +--topology:: + Sort CPUs according to topology. +--highlight=<duration_nsecs|task_name>:: + Highlight tasks (using different color) that run more than given + duration or tasks with given name. If number is given it's interpreted + as number of nanoseconds. If non-numeric string is given it's + interpreted as task name. + +RECORD OPTIONS +-------------- +-P:: +--power-only:: + Record only power-related events +-T:: +--tasks-only:: + Record only tasks-related events +-g:: +--callchain:: + Do call-graph (stack chain/backtrace) recording EXAMPLES -------- @@ -54,6 +79,14 @@ $ perf timechart Written 10.2 seconds of trace to output.svg. +Record system-wide timechart: + + $ perf timechart record + + then generate timechart and highlight 'gcc' tasks: + + $ perf timechart --highlight gcc + SEE ALSO -------- linkperf:perf-record[1] diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 7de01dd7968..180ae02137a 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -50,7 +50,6 @@ Default is to monitor all CPUS. --count-filter=<count>:: Only display functions with more events than this. --g:: --group:: Put the counters into a counter group. @@ -88,7 +87,6 @@ Default is to monitor all CPUS. --realtime=<priority>:: Collect data with this RT SCHED_FIFO priority. --s <symbol>:: --sym-annotate=<symbol>:: Annotate this symbol. @@ -115,7 +113,17 @@ Default is to monitor all CPUS. -s:: --sort:: Sort by key(s): pid, comm, dso, symbol, parent, srcline, weight, - local_weight, abort, in_tx, transaction + local_weight, abort, in_tx, transaction, overhead, sample, period. + Please see description of --sort in the perf-report man page. + +--fields=:: + Specify output field - multiple keys can be specified in CSV format. + Following fields are available: + overhead, overhead_sys, overhead_us, overhead_children, sample and period. + Also it can contain any sort key(s). + + By default, every sort keys not specified in --field will be appended + automatically. -n:: --show-nr-samples:: @@ -125,13 +133,16 @@ Default is to monitor all CPUS. Show a column with the sum of periods. --dsos:: - Only consider symbols in these dsos. + Only consider symbols in these dsos. This option will affect the + percentage of the overhead column. See --percentage for more info. --comms:: - Only consider symbols in these comms. + Only consider symbols in these comms. This option will affect the + percentage of the overhead column. See --percentage for more info. --symbols:: - Only consider these symbols. + Only consider these symbols. This option will affect the + percentage of the overhead column. See --percentage for more info. -M:: --disassembler-style=:: Set disassembler style for objdump. @@ -143,12 +154,18 @@ Default is to monitor all CPUS. --asm-raw:: Show raw instruction encoding of assembly instructions. --G:: +-g:: Enables call-graph (stack chain/backtrace) recording. --call-graph:: Setup and enable call-graph (stack chain/backtrace) recording, - implies -G. + implies -g. + +--children:: + Accumulate callchain of children to parent entry so that then can + show up in the output. The output will have a new "Children" column + and will be sorted on the data. It requires -g/--call-graph option + enabled. --max-stack:: Set the stack depth limit when parsing the callchain, anything @@ -167,6 +184,15 @@ Default is to monitor all CPUS. Do not show entries which have an overhead under that percent. (Default: 0). +--percentage:: + Determine how to display the overhead percentage of filtered entries. + Filters can be applied by --comms, --dsos and/or --symbols options and + Zoom operations on the TUI (thread, dso, etc). + + "relative" means it's relative to filtered entries only so that the + sum of shown entries will be always 100%. "absolute" means it retains + the original value before and after the filter is applied. + INTERACTIVE PROMPTING KEYS -------------------------- @@ -202,4 +228,4 @@ Pressing any unmapped key displays a menu, and prompts for input. SEE ALSO -------- -linkperf:perf-stat[1], linkperf:perf-list[1] +linkperf:perf-stat[1], linkperf:perf-list[1], linkperf:perf-report[1] diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 025de796067..45da209b6ed 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -1,7 +1,14 @@ tools/perf tools/scripts tools/lib/traceevent -tools/lib/lk +tools/lib/api +tools/lib/symbol/kallsyms.c +tools/lib/symbol/kallsyms.h +tools/include/asm/bug.h +tools/include/linux/compiler.h +tools/include/linux/hash.h +tools/include/linux/export.h +tools/include/linux/types.h include/linux/const.h include/linux/perf_event.h include/linux/rbtree.h diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 4835618a560..cb2e5868c8e 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -60,8 +60,11 @@ endef # # Needed if no target specified: +# (Except for tags and TAGS targets. The reason is that the +# Makefile does not treat tags/TAGS as targets but as files +# and thus won't rebuilt them once they are in place.) # -all: +all tags TAGS: $(print_msg) $(make) @@ -72,8 +75,16 @@ clean: $(make) # +# The build-test target is not really parallel, don't print the jobs info: +# +build-test: + @$(MAKE) -f tests/make --no-print-directory + +# # All other targets get passed through: # %: $(print_msg) $(make) + +.PHONY: tags TAGS diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 7fc8f179cae..9670a16fa57 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -7,6 +7,8 @@ include config/utilities.mak # Define V to have a more verbose compile. # +# Define VF to have a more verbose feature check output. +# # Define O to save output files in a separate directory. # # Define ARCH as name of target architecture if you want cross-builds. @@ -55,6 +57,9 @@ include config/utilities.mak # Define NO_LIBAUDIT if you do not want libaudit support # # Define NO_LIBBIONIC if you do not want bionic support +# +# Define NO_LIBDW_DWARF_UNWIND if you do not want libdw support +# for dwarf backtrace post unwind. ifeq ($(srctree),) srctree := $(patsubst %/,%,$(dir $(shell pwd))) @@ -76,6 +81,7 @@ $(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD CC = $(CROSS_COMPILE)gcc AR = $(CROSS_COMPILE)ar +PKG_CONFIG = $(CROSS_COMPILE)pkg-config RM = rm -f LN = ln -f @@ -86,7 +92,7 @@ FLEX = flex BISON = bison STRIP = strip -LK_DIR = $(srctree)/tools/lib/lk/ +LIB_DIR = $(srctree)/tools/lib/api/ TRACE_EVENT_DIR = $(srctree)/tools/lib/traceevent/ # include config/Makefile by default and rule out @@ -105,7 +111,7 @@ ifeq ($(config),1) include config/Makefile endif -export prefix bindir sharedir sysconfdir +export prefix bindir sharedir sysconfdir DESTDIR # sparse is architecture-neutral, which means that we need to tell it # explicitly what architecture to check for. Fix this up for yours.. @@ -127,20 +133,20 @@ strip-libs = $(filter-out -l%,$(1)) ifneq ($(OUTPUT),) TE_PATH=$(OUTPUT) ifneq ($(subdir),) - LK_PATH=$(OUTPUT)/../lib/lk/ + LIB_PATH=$(OUTPUT)/../lib/api/ else - LK_PATH=$(OUTPUT) + LIB_PATH=$(OUTPUT) endif else TE_PATH=$(TRACE_EVENT_DIR) - LK_PATH=$(LK_DIR) + LIB_PATH=$(LIB_DIR) endif LIBTRACEEVENT = $(TE_PATH)libtraceevent.a export LIBTRACEEVENT -LIBLK = $(LK_PATH)liblk.a -export LIBLK +LIBAPIKFS = $(LIB_PATH)libapikfs.a +export LIBAPIKFS # python extension build directories PYTHON_EXTBUILD := $(OUTPUT)python_ext_build/ @@ -151,7 +157,7 @@ export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf.so PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources) -PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBTRACEEVENT) $(LIBLK) +PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBTRACEEVENT) $(LIBAPIKFS) $(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(QUIET_GEN)CFLAGS='$(CFLAGS)' $(PYTHON_WORD) util/setup.py \ @@ -186,13 +192,13 @@ endif export PERL_PATH $(OUTPUT)util/parse-events-flex.c: util/parse-events.l $(OUTPUT)util/parse-events-bison.c - $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c + $(QUIET_FLEX)$(FLEX) -o $@ --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) util/parse-events.l $(OUTPUT)util/parse-events-bison.c: util/parse-events.y $(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c -p parse_events_ $(OUTPUT)util/pmu-flex.c: util/pmu.l $(OUTPUT)util/pmu-bison.c - $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/pmu-flex.h -t util/pmu.l > $(OUTPUT)util/pmu-flex.c + $(QUIET_FLEX)$(FLEX) -o $@ --header-file=$(OUTPUT)util/pmu-flex.h util/pmu.l $(OUTPUT)util/pmu-bison.c: util/pmu.y $(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_ @@ -202,30 +208,29 @@ $(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c LIB_FILE=$(OUTPUT)libperf.a +LIB_H += ../lib/symbol/kallsyms.h LIB_H += ../../include/uapi/linux/perf_event.h LIB_H += ../../include/linux/rbtree.h LIB_H += ../../include/linux/list.h LIB_H += ../../include/uapi/linux/const.h -LIB_H += ../../include/linux/hash.h +LIB_H += ../include/linux/hash.h LIB_H += ../../include/linux/stringify.h LIB_H += util/include/linux/bitmap.h LIB_H += util/include/linux/bitops.h -LIB_H += util/include/linux/compiler.h +LIB_H += ../include/linux/compiler.h LIB_H += util/include/linux/const.h LIB_H += util/include/linux/ctype.h LIB_H += util/include/linux/kernel.h LIB_H += util/include/linux/list.h -LIB_H += util/include/linux/export.h -LIB_H += util/include/linux/magic.h +LIB_H += ../include/linux/export.h LIB_H += util/include/linux/poison.h -LIB_H += util/include/linux/prefetch.h LIB_H += util/include/linux/rbtree.h LIB_H += util/include/linux/rbtree_augmented.h LIB_H += util/include/linux/string.h -LIB_H += util/include/linux/types.h +LIB_H += ../include/linux/types.h LIB_H += util/include/linux/linkage.h LIB_H += util/include/asm/asm-offsets.h -LIB_H += util/include/asm/bug.h +LIB_H += ../include/asm/bug.h LIB_H += util/include/asm/byteorder.h LIB_H += util/include/asm/hweight.h LIB_H += util/include/asm/swab.h @@ -242,13 +247,11 @@ LIB_H += util/cache.h LIB_H += util/callchain.h LIB_H += util/build-id.h LIB_H += util/debug.h -LIB_H += util/fs.h LIB_H += util/pmu.h LIB_H += util/event.h LIB_H += util/evsel.h LIB_H += util/evlist.h LIB_H += util/exec_cmd.h -LIB_H += util/types.h LIB_H += util/levenshtein.h LIB_H += util/machine.h LIB_H += util/map.h @@ -304,7 +307,6 @@ LIB_OBJS += $(OUTPUT)util/annotate.o LIB_OBJS += $(OUTPUT)util/build-id.o LIB_OBJS += $(OUTPUT)util/config.o LIB_OBJS += $(OUTPUT)util/ctype.o -LIB_OBJS += $(OUTPUT)util/fs.o LIB_OBJS += $(OUTPUT)util/pmu.o LIB_OBJS += $(OUTPUT)util/environment.o LIB_OBJS += $(OUTPUT)util/event.o @@ -312,6 +314,7 @@ LIB_OBJS += $(OUTPUT)util/evlist.o LIB_OBJS += $(OUTPUT)util/evsel.o LIB_OBJS += $(OUTPUT)util/exec_cmd.o LIB_OBJS += $(OUTPUT)util/help.o +LIB_OBJS += $(OUTPUT)util/kallsyms.o LIB_OBJS += $(OUTPUT)util/levenshtein.o LIB_OBJS += $(OUTPUT)util/parse-options.o LIB_OBJS += $(OUTPUT)util/parse-events.o @@ -353,6 +356,7 @@ LIB_OBJS += $(OUTPUT)util/pmu-bison.o LIB_OBJS += $(OUTPUT)util/trace-event-read.o LIB_OBJS += $(OUTPUT)util/trace-event-info.o LIB_OBJS += $(OUTPUT)util/trace-event-scripting.o +LIB_OBJS += $(OUTPUT)util/trace-event.o LIB_OBJS += $(OUTPUT)util/svghelper.o LIB_OBJS += $(OUTPUT)util/sort.o LIB_OBJS += $(OUTPUT)util/hist.o @@ -392,7 +396,11 @@ LIB_OBJS += $(OUTPUT)tests/rdpmc.o LIB_OBJS += $(OUTPUT)tests/evsel-roundtrip-name.o LIB_OBJS += $(OUTPUT)tests/evsel-tp-sched.o LIB_OBJS += $(OUTPUT)tests/pmu.o +LIB_OBJS += $(OUTPUT)tests/hists_common.o LIB_OBJS += $(OUTPUT)tests/hists_link.o +LIB_OBJS += $(OUTPUT)tests/hists_filter.o +LIB_OBJS += $(OUTPUT)tests/hists_output.o +LIB_OBJS += $(OUTPUT)tests/hists_cumulate.o LIB_OBJS += $(OUTPUT)tests/python-use.o LIB_OBJS += $(OUTPUT)tests/bp_signal.o LIB_OBJS += $(OUTPUT)tests/bp_signal_overflow.o @@ -404,6 +412,13 @@ endif LIB_OBJS += $(OUTPUT)tests/code-reading.o LIB_OBJS += $(OUTPUT)tests/sample-parsing.o LIB_OBJS += $(OUTPUT)tests/parse-no-sample-id-all.o +ifndef NO_DWARF_UNWIND +ifeq ($(ARCH),$(filter $(ARCH),x86 arm)) +LIB_OBJS += $(OUTPUT)tests/dwarf-unwind.o +endif +endif +LIB_OBJS += $(OUTPUT)tests/mmap-thread-lookup.o +LIB_OBJS += $(OUTPUT)tests/thread-mg-share.o BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o BUILTIN_OBJS += $(OUTPUT)builtin-bench.o @@ -416,6 +431,9 @@ BUILTIN_OBJS += $(OUTPUT)bench/mem-memset-x86-64-asm.o endif BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy.o BUILTIN_OBJS += $(OUTPUT)bench/mem-memset.o +BUILTIN_OBJS += $(OUTPUT)bench/futex-hash.o +BUILTIN_OBJS += $(OUTPUT)bench/futex-wake.o +BUILTIN_OBJS += $(OUTPUT)bench/futex-requeue.o BUILTIN_OBJS += $(OUTPUT)builtin-diff.o BUILTIN_OBJS += $(OUTPUT)builtin-evlist.o @@ -438,7 +456,7 @@ BUILTIN_OBJS += $(OUTPUT)builtin-inject.o BUILTIN_OBJS += $(OUTPUT)tests/builtin-test.o BUILTIN_OBJS += $(OUTPUT)builtin-mem.o -PERFLIBS = $(LIB_FILE) $(LIBLK) $(LIBTRACEEVENT) +PERFLIBS = $(LIB_FILE) $(LIBAPIKFS) $(LIBTRACEEVENT) # We choose to avoid "if .. else if .. else .. endif endif" # because maintaining the nesting to match is a pain. If @@ -471,8 +489,13 @@ ifndef NO_DWARF endif # NO_DWARF endif # NO_LIBELF +ifndef NO_LIBDW_DWARF_UNWIND + LIB_OBJS += $(OUTPUT)util/unwind-libdw.o + LIB_H += util/unwind-libdw.h +endif + ifndef NO_LIBUNWIND - LIB_OBJS += $(OUTPUT)util/unwind.o + LIB_OBJS += $(OUTPUT)util/unwind-libunwind.o endif LIB_OBJS += $(OUTPUT)tests/keep-tracking.o @@ -486,6 +509,7 @@ ifndef NO_SLANG LIB_OBJS += $(OUTPUT)ui/browsers/hists.o LIB_OBJS += $(OUTPUT)ui/browsers/map.o LIB_OBJS += $(OUTPUT)ui/browsers/scripts.o + LIB_OBJS += $(OUTPUT)ui/browsers/header.o LIB_OBJS += $(OUTPUT)ui/tui/setup.o LIB_OBJS += $(OUTPUT)ui/tui/util.o LIB_OBJS += $(OUTPUT)ui/tui/helpline.o @@ -528,6 +552,7 @@ ifeq ($(NO_PERF_REGS),0) ifeq ($(ARCH),x86) LIB_H += arch/x86/include/perf_regs.h endif + LIB_OBJS += $(OUTPUT)util/perf_regs.o endif ifndef NO_LIBNUMA @@ -569,7 +594,7 @@ $(GTK_OBJS): $(OUTPUT)%.o: %.c $(LIB_H) $(QUIET_CC)$(CC) -o $@ -c -fPIC $(CFLAGS) $(GTK_CFLAGS) $< $(OUTPUT)libperf-gtk.so: $(GTK_OBJS) $(PERFLIBS) - $(QUIET_LINK)$(CC) -o $@ -shared $(ALL_LDFLAGS) $(filter %.o,$^) $(GTK_LIBS) + $(QUIET_LINK)$(CC) -o $@ -shared $(LDFLAGS) $(filter %.o,$^) $(GTK_LIBS) $(OUTPUT)builtin-help.o: builtin-help.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) \ @@ -650,6 +675,9 @@ $(OUTPUT)tests/python-use.o: tests/python-use.c $(OUTPUT)PERF-CFLAGS -DPYTHON='"$(PYTHON_WORD)"' \ $< +$(OUTPUT)tests/dwarf-unwind.o: tests/dwarf-unwind.c + $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -fno-optimize-sibling-calls $< + $(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< @@ -671,6 +699,9 @@ $(OUTPUT)ui/browsers/map.o: ui/browsers/map.c $(OUTPUT)PERF-CFLAGS $(OUTPUT)ui/browsers/scripts.o: ui/browsers/scripts.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DENABLE_SLFUTURE_CONST $< +$(OUTPUT)util/kallsyms.o: ../lib/symbol/kallsyms.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $< + $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -Wno-unused-parameter -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< @@ -699,9 +730,15 @@ $(patsubst perf-%,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h) # we depend the various files onto their directories. DIRECTORY_DEPS = $(LIB_OBJS) $(BUILTIN_OBJS) $(GTK_OBJS) DIRECTORY_DEPS += $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h -$(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS))) +# no need to add flex objects, because they depend on bison ones +DIRECTORY_DEPS += $(OUTPUT)util/parse-events-bison.c +DIRECTORY_DEPS += $(OUTPUT)util/pmu-bison.c + +OUTPUT_DIRECTORIES := $(sort $(dir $(DIRECTORY_DEPS))) + +$(DIRECTORY_DEPS): | $(OUTPUT_DIRECTORIES) # In the second step, we make a rule to actually create these directories -$(sort $(dir $(DIRECTORY_DEPS))): +$(OUTPUT_DIRECTORIES): $(QUIET_MKDIR)$(MKDIR) -p $@ 2>/dev/null $(LIB_FILE): $(LIB_OBJS) @@ -710,26 +747,33 @@ $(LIB_FILE): $(LIB_OBJS) # libtraceevent.a TE_SOURCES = $(wildcard $(TRACE_EVENT_DIR)*.[ch]) -$(LIBTRACEEVENT): $(TE_SOURCES) - $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) CFLAGS="-g -Wall $(EXTRA_CFLAGS)" libtraceevent.a +LIBTRACEEVENT_FLAGS = $(QUIET_SUBDIR1) O=$(OUTPUT) +LIBTRACEEVENT_FLAGS += CFLAGS="-g -Wall $(EXTRA_CFLAGS)" +LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ) + +$(LIBTRACEEVENT): $(TE_SOURCES) $(OUTPUT)PERF-CFLAGS + $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) libtraceevent.a plugins $(LIBTRACEEVENT)-clean: $(call QUIET_CLEAN, libtraceevent) @$(MAKE) -C $(TRACE_EVENT_DIR) O=$(OUTPUT) clean >/dev/null -LIBLK_SOURCES = $(wildcard $(LK_PATH)*.[ch]) +install-traceevent-plugins: $(LIBTRACEEVENT) + $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) install_plugins + +LIBAPIKFS_SOURCES = $(wildcard $(LIB_PATH)fs/*.[ch]) # if subdir is set, we've been called from above so target has been built # already -$(LIBLK): $(LIBLK_SOURCES) +$(LIBAPIKFS): $(LIBAPIKFS_SOURCES) ifeq ($(subdir),) - $(QUIET_SUBDIR0)$(LK_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) liblk.a + $(QUIET_SUBDIR0)$(LIB_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) libapikfs.a endif -$(LIBLK)-clean: +$(LIBAPIKFS)-clean: ifeq ($(subdir),) - $(call QUIET_CLEAN, liblk) - @$(MAKE) -C $(LK_DIR) O=$(OUTPUT) clean >/dev/null + $(call QUIET_CLEAN, libapikfs) + @$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null endif help: @@ -745,8 +789,8 @@ help: @echo '' @echo 'Perf install targets:' @echo ' NOTE: documentation build requires asciidoc, xmlto packages to be installed' - @echo ' HINT: use "make prefix=<path> <install target>" to install to a particular' - @echo ' path like make prefix=/usr/local install install-doc' + @echo ' HINT: use "prefix" or "DESTDIR" to install to a particular' + @echo ' path like "make prefix=/usr/local install install-doc"' @echo ' install - install compiled binaries' @echo ' install-doc - install *all* documentation' @echo ' install-man - install manpage documentation' @@ -771,21 +815,24 @@ INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html $(DOC_TARGETS): $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:doc=all) +TAG_FOLDERS= . ../lib/traceevent ../lib/api ../lib/symbol +TAG_FILES= ../../include/uapi/linux/perf_event.h + TAGS: - $(RM) TAGS - $(FIND) . -name '*.[hcS]' -print | xargs etags -a + $(QUIET_GEN)$(RM) TAGS; \ + $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs etags -a $(TAG_FILES) tags: - $(RM) tags - $(FIND) . -name '*.[hcS]' -print | xargs ctags -a + $(QUIET_GEN)$(RM) tags; \ + $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs ctags -a $(TAG_FILES) cscope: - $(RM) cscope* - $(FIND) . -name '*.[hcS]' -print | xargs cscope -b + $(QUIET_GEN)$(RM) cscope*; \ + $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs cscope -b $(TAG_FILES) ### Detect prefix changes TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):\ - $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ) + $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ):$(plugindir_SQ) $(OUTPUT)PERF-CFLAGS: .FORCE-PERF-CFLAGS @FLAGS='$(TRACK_CFLAGS)'; \ @@ -840,16 +887,16 @@ ifndef NO_LIBPYTHON $(INSTALL) scripts/python/*.py -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'; \ $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin' endif - $(call QUIET_INSTALL, bash_completion-script) \ + $(call QUIET_INSTALL, perf_completion-script) \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d'; \ - $(INSTALL) bash_completion '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf' + $(INSTALL) perf-completion.sh '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf' $(call QUIET_INSTALL, tests) \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \ $(INSTALL) tests/attr.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \ $(INSTALL) tests/attr/* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr' -install: install-bin try-install-man +install: install-bin try-install-man install-traceevent-plugins install-python_ext: $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)' @@ -868,12 +915,11 @@ config-clean: $(call QUIET_CLEAN, config) @$(MAKE) -C config/feature-checks clean >/dev/null -clean: $(LIBTRACEEVENT)-clean $(LIBLK)-clean config-clean +clean: $(LIBTRACEEVENT)-clean $(LIBAPIKFS)-clean config-clean $(call QUIET_CLEAN, core-objs) $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS) $(GTK_OBJS) $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf - $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* - $(call QUIET_CLEAN, Documentation) - @$(MAKE) -C Documentation O=$(OUTPUT) clean >/dev/null + $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS $(OUTPUT)PERF-FEATURES $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* + $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean $(python-clean) # diff --git a/tools/perf/arch/arm/Makefile b/tools/perf/arch/arm/Makefile index fe9b61e322a..09d62153d38 100644 --- a/tools/perf/arch/arm/Makefile +++ b/tools/perf/arch/arm/Makefile @@ -3,5 +3,12 @@ PERF_HAVE_DWARF_REGS := 1 LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o endif ifndef NO_LIBUNWIND -LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/unwind.o +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/unwind-libunwind.o +endif +ifndef NO_LIBDW_DWARF_UNWIND +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/unwind-libdw.o +endif +ifndef NO_DWARF_UNWIND +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/tests/regs_load.o +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/tests/dwarf-unwind.o endif diff --git a/tools/perf/arch/arm/include/perf_regs.h b/tools/perf/arch/arm/include/perf_regs.h index 2a1cfde66b6..f619c9c5a4b 100644 --- a/tools/perf/arch/arm/include/perf_regs.h +++ b/tools/perf/arch/arm/include/perf_regs.h @@ -2,10 +2,15 @@ #define ARCH_PERF_REGS_H #include <stdlib.h> -#include "../../util/types.h" +#include <linux/types.h> #include <asm/perf_regs.h> +void perf_regs_load(u64 *regs); + #define PERF_REGS_MASK ((1ULL << PERF_REG_ARM_MAX) - 1) +#define PERF_REGS_MAX PERF_REG_ARM_MAX +#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32 + #define PERF_REG_IP PERF_REG_ARM_PC #define PERF_REG_SP PERF_REG_ARM_SP diff --git a/tools/perf/arch/arm/tests/dwarf-unwind.c b/tools/perf/arch/arm/tests/dwarf-unwind.c new file mode 100644 index 00000000000..9f870d27cb3 --- /dev/null +++ b/tools/perf/arch/arm/tests/dwarf-unwind.c @@ -0,0 +1,60 @@ +#include <string.h> +#include "perf_regs.h" +#include "thread.h" +#include "map.h" +#include "event.h" +#include "tests/tests.h" + +#define STACK_SIZE 8192 + +static int sample_ustack(struct perf_sample *sample, + struct thread *thread, u64 *regs) +{ + struct stack_dump *stack = &sample->user_stack; + struct map *map; + unsigned long sp; + u64 stack_size, *buf; + + buf = malloc(STACK_SIZE); + if (!buf) { + pr_debug("failed to allocate sample uregs data\n"); + return -1; + } + + sp = (unsigned long) regs[PERF_REG_ARM_SP]; + + map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp); + if (!map) { + pr_debug("failed to get stack map\n"); + free(buf); + return -1; + } + + stack_size = map->end - sp; + stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size; + + memcpy(buf, (void *) sp, stack_size); + stack->data = (char *) buf; + stack->size = stack_size; + return 0; +} + +int test__arch_unwind_sample(struct perf_sample *sample, + struct thread *thread) +{ + struct regs_dump *regs = &sample->user_regs; + u64 *buf; + + buf = calloc(1, sizeof(u64) * PERF_REGS_MAX); + if (!buf) { + pr_debug("failed to allocate sample uregs data\n"); + return -1; + } + + perf_regs_load(buf); + regs->abi = PERF_SAMPLE_REGS_ABI; + regs->regs = buf; + regs->mask = PERF_REGS_MASK; + + return sample_ustack(sample, thread, buf); +} diff --git a/tools/perf/arch/arm/tests/regs_load.S b/tools/perf/arch/arm/tests/regs_load.S new file mode 100644 index 00000000000..e09e983946f --- /dev/null +++ b/tools/perf/arch/arm/tests/regs_load.S @@ -0,0 +1,58 @@ +#include <linux/linkage.h> + +#define R0 0x00 +#define R1 0x08 +#define R2 0x10 +#define R3 0x18 +#define R4 0x20 +#define R5 0x28 +#define R6 0x30 +#define R7 0x38 +#define R8 0x40 +#define R9 0x48 +#define SL 0x50 +#define FP 0x58 +#define IP 0x60 +#define SP 0x68 +#define LR 0x70 +#define PC 0x78 + +/* + * Implementation of void perf_regs_load(u64 *regs); + * + * This functions fills in the 'regs' buffer from the actual registers values, + * in the way the perf built-in unwinding test expects them: + * - the PC at the time at the call to this function. Since this function + * is called using a bl instruction, the PC value is taken from LR. + * The built-in unwinding test then unwinds the call stack from the dwarf + * information in unwind__get_entries. + * + * Notes: + * - the 8 bytes stride in the registers offsets comes from the fact + * that the registers are stored in an u64 array (u64 *regs), + * - the regs buffer needs to be zeroed before the call to this function, + * in this case using a calloc in dwarf-unwind.c. + */ + +.text +.type perf_regs_load,%function +ENTRY(perf_regs_load) + str r0, [r0, #R0] + str r1, [r0, #R1] + str r2, [r0, #R2] + str r3, [r0, #R3] + str r4, [r0, #R4] + str r5, [r0, #R5] + str r6, [r0, #R6] + str r7, [r0, #R7] + str r8, [r0, #R8] + str r9, [r0, #R9] + str sl, [r0, #SL] + str fp, [r0, #FP] + str ip, [r0, #IP] + str sp, [r0, #SP] + str lr, [r0, #LR] + str lr, [r0, #PC] // store pc as lr in order to skip the call + // to this function + mov pc, lr +ENDPROC(perf_regs_load) diff --git a/tools/perf/arch/arm/util/unwind-libdw.c b/tools/perf/arch/arm/util/unwind-libdw.c new file mode 100644 index 00000000000..b4176c60117 --- /dev/null +++ b/tools/perf/arch/arm/util/unwind-libdw.c @@ -0,0 +1,36 @@ +#include <elfutils/libdwfl.h> +#include "../../util/unwind-libdw.h" +#include "../../util/perf_regs.h" + +bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) +{ + struct unwind_info *ui = arg; + struct regs_dump *user_regs = &ui->sample->user_regs; + Dwarf_Word dwarf_regs[PERF_REG_ARM_MAX]; + +#define REG(r) ({ \ + Dwarf_Word val = 0; \ + perf_reg_value(&val, user_regs, PERF_REG_ARM_##r); \ + val; \ +}) + + dwarf_regs[0] = REG(R0); + dwarf_regs[1] = REG(R1); + dwarf_regs[2] = REG(R2); + dwarf_regs[3] = REG(R3); + dwarf_regs[4] = REG(R4); + dwarf_regs[5] = REG(R5); + dwarf_regs[6] = REG(R6); + dwarf_regs[7] = REG(R7); + dwarf_regs[8] = REG(R8); + dwarf_regs[9] = REG(R9); + dwarf_regs[10] = REG(R10); + dwarf_regs[11] = REG(FP); + dwarf_regs[12] = REG(IP); + dwarf_regs[13] = REG(SP); + dwarf_regs[14] = REG(LR); + dwarf_regs[15] = REG(PC); + + return dwfl_thread_state_registers(thread, 0, PERF_REG_ARM_MAX, + dwarf_regs); +} diff --git a/tools/perf/arch/arm/util/unwind.c b/tools/perf/arch/arm/util/unwind-libunwind.c index da3dc950550..729ed69a666 100644 --- a/tools/perf/arch/arm/util/unwind.c +++ b/tools/perf/arch/arm/util/unwind-libunwind.c @@ -4,7 +4,7 @@ #include "perf_regs.h" #include "../../util/unwind.h" -int unwind__arch_reg_id(int regnum) +int libunwind__arch_reg_id(int regnum) { switch (regnum) { case UNW_ARM_R0: diff --git a/tools/perf/arch/arm64/Makefile b/tools/perf/arch/arm64/Makefile new file mode 100644 index 00000000000..67e9b3d38e8 --- /dev/null +++ b/tools/perf/arch/arm64/Makefile @@ -0,0 +1,7 @@ +ifndef NO_DWARF +PERF_HAVE_DWARF_REGS := 1 +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o +endif +ifndef NO_LIBUNWIND +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/unwind-libunwind.o +endif diff --git a/tools/perf/arch/arm64/include/perf_regs.h b/tools/perf/arch/arm64/include/perf_regs.h new file mode 100644 index 00000000000..e9441b9e2a3 --- /dev/null +++ b/tools/perf/arch/arm64/include/perf_regs.h @@ -0,0 +1,88 @@ +#ifndef ARCH_PERF_REGS_H +#define ARCH_PERF_REGS_H + +#include <stdlib.h> +#include <linux/types.h> +#include <asm/perf_regs.h> + +#define PERF_REGS_MASK ((1ULL << PERF_REG_ARM64_MAX) - 1) +#define PERF_REG_IP PERF_REG_ARM64_PC +#define PERF_REG_SP PERF_REG_ARM64_SP + +static inline const char *perf_reg_name(int id) +{ + switch (id) { + case PERF_REG_ARM64_X0: + return "x0"; + case PERF_REG_ARM64_X1: + return "x1"; + case PERF_REG_ARM64_X2: + return "x2"; + case PERF_REG_ARM64_X3: + return "x3"; + case PERF_REG_ARM64_X4: + return "x4"; + case PERF_REG_ARM64_X5: + return "x5"; + case PERF_REG_ARM64_X6: + return "x6"; + case PERF_REG_ARM64_X7: + return "x7"; + case PERF_REG_ARM64_X8: + return "x8"; + case PERF_REG_ARM64_X9: + return "x9"; + case PERF_REG_ARM64_X10: + return "x10"; + case PERF_REG_ARM64_X11: + return "x11"; + case PERF_REG_ARM64_X12: + return "x12"; + case PERF_REG_ARM64_X13: + return "x13"; + case PERF_REG_ARM64_X14: + return "x14"; + case PERF_REG_ARM64_X15: + return "x15"; + case PERF_REG_ARM64_X16: + return "x16"; + case PERF_REG_ARM64_X17: + return "x17"; + case PERF_REG_ARM64_X18: + return "x18"; + case PERF_REG_ARM64_X19: + return "x19"; + case PERF_REG_ARM64_X20: + return "x20"; + case PERF_REG_ARM64_X21: + return "x21"; + case PERF_REG_ARM64_X22: + return "x22"; + case PERF_REG_ARM64_X23: + return "x23"; + case PERF_REG_ARM64_X24: + return "x24"; + case PERF_REG_ARM64_X25: + return "x25"; + case PERF_REG_ARM64_X26: + return "x26"; + case PERF_REG_ARM64_X27: + return "x27"; + case PERF_REG_ARM64_X28: + return "x28"; + case PERF_REG_ARM64_X29: + return "x29"; + case PERF_REG_ARM64_SP: + return "sp"; + case PERF_REG_ARM64_LR: + return "lr"; + case PERF_REG_ARM64_PC: + return "pc"; + default: + return NULL; + } + + return NULL; +} + +#endif /* ARCH_PERF_REGS_H */ diff --git a/tools/perf/arch/arm64/util/dwarf-regs.c b/tools/perf/arch/arm64/util/dwarf-regs.c new file mode 100644 index 00000000000..d49efeb8172 --- /dev/null +++ b/tools/perf/arch/arm64/util/dwarf-regs.c @@ -0,0 +1,80 @@ +/* + * Mapping of DWARF debug register numbers into register names. + * + * Copyright (C) 2010 Will Deacon, ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <stddef.h> +#include <dwarf-regs.h> + +struct pt_regs_dwarfnum { + const char *name; + unsigned int dwarfnum; +}; + +#define STR(s) #s +#define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num} +#define GPR_DWARFNUM_NAME(num) \ + {.name = STR(%x##num), .dwarfnum = num} +#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0} + +/* + * Reference: + * http://infocenter.arm.com/help/topic/com.arm.doc.ihi0057b/IHI0057B_aadwarf64.pdf + */ +static const struct pt_regs_dwarfnum regdwarfnum_table[] = { + GPR_DWARFNUM_NAME(0), + GPR_DWARFNUM_NAME(1), + GPR_DWARFNUM_NAME(2), + GPR_DWARFNUM_NAME(3), + GPR_DWARFNUM_NAME(4), + GPR_DWARFNUM_NAME(5), + GPR_DWARFNUM_NAME(6), + GPR_DWARFNUM_NAME(7), + GPR_DWARFNUM_NAME(8), + GPR_DWARFNUM_NAME(9), + GPR_DWARFNUM_NAME(10), + GPR_DWARFNUM_NAME(11), + GPR_DWARFNUM_NAME(12), + GPR_DWARFNUM_NAME(13), + GPR_DWARFNUM_NAME(14), + GPR_DWARFNUM_NAME(15), + GPR_DWARFNUM_NAME(16), + GPR_DWARFNUM_NAME(17), + GPR_DWARFNUM_NAME(18), + GPR_DWARFNUM_NAME(19), + GPR_DWARFNUM_NAME(20), + GPR_DWARFNUM_NAME(21), + GPR_DWARFNUM_NAME(22), + GPR_DWARFNUM_NAME(23), + GPR_DWARFNUM_NAME(24), + GPR_DWARFNUM_NAME(25), + GPR_DWARFNUM_NAME(26), + GPR_DWARFNUM_NAME(27), + GPR_DWARFNUM_NAME(28), + GPR_DWARFNUM_NAME(29), + REG_DWARFNUM_NAME("%lr", 30), + REG_DWARFNUM_NAME("%sp", 31), + REG_DWARFNUM_END, +}; + +/** + * get_arch_regstr() - lookup register name from it's DWARF register number + * @n: the DWARF register number + * + * get_arch_regstr() returns the name of the register in struct + * regdwarfnum_table from it's DWARF register number. If the register is not + * found in the table, this returns NULL; + */ +const char *get_arch_regstr(unsigned int n) +{ + const struct pt_regs_dwarfnum *roff; + for (roff = regdwarfnum_table; roff->name != NULL; roff++) + if (roff->dwarfnum == n) + return roff->name; + return NULL; +} diff --git a/tools/perf/arch/arm64/util/unwind-libunwind.c b/tools/perf/arch/arm64/util/unwind-libunwind.c new file mode 100644 index 00000000000..436ee43859d --- /dev/null +++ b/tools/perf/arch/arm64/util/unwind-libunwind.c @@ -0,0 +1,82 @@ + +#include <errno.h> +#include <libunwind.h> +#include "perf_regs.h" +#include "../../util/unwind.h" + +int libunwind__arch_reg_id(int regnum) +{ + switch (regnum) { + case UNW_AARCH64_X0: + return PERF_REG_ARM64_X0; + case UNW_AARCH64_X1: + return PERF_REG_ARM64_X1; + case UNW_AARCH64_X2: + return PERF_REG_ARM64_X2; + case UNW_AARCH64_X3: + return PERF_REG_ARM64_X3; + case UNW_AARCH64_X4: + return PERF_REG_ARM64_X4; + case UNW_AARCH64_X5: + return PERF_REG_ARM64_X5; + case UNW_AARCH64_X6: + return PERF_REG_ARM64_X6; + case UNW_AARCH64_X7: + return PERF_REG_ARM64_X7; + case UNW_AARCH64_X8: + return PERF_REG_ARM64_X8; + case UNW_AARCH64_X9: + return PERF_REG_ARM64_X9; + case UNW_AARCH64_X10: + return PERF_REG_ARM64_X10; + case UNW_AARCH64_X11: + return PERF_REG_ARM64_X11; + case UNW_AARCH64_X12: + return PERF_REG_ARM64_X12; + case UNW_AARCH64_X13: + return PERF_REG_ARM64_X13; + case UNW_AARCH64_X14: + return PERF_REG_ARM64_X14; + case UNW_AARCH64_X15: + return PERF_REG_ARM64_X15; + case UNW_AARCH64_X16: + return PERF_REG_ARM64_X16; + case UNW_AARCH64_X17: + return PERF_REG_ARM64_X17; + case UNW_AARCH64_X18: + return PERF_REG_ARM64_X18; + case UNW_AARCH64_X19: + return PERF_REG_ARM64_X19; + case UNW_AARCH64_X20: + return PERF_REG_ARM64_X20; + case UNW_AARCH64_X21: + return PERF_REG_ARM64_X21; + case UNW_AARCH64_X22: + return PERF_REG_ARM64_X22; + case UNW_AARCH64_X23: + return PERF_REG_ARM64_X23; + case UNW_AARCH64_X24: + return PERF_REG_ARM64_X24; + case UNW_AARCH64_X25: + return PERF_REG_ARM64_X25; + case UNW_AARCH64_X26: + return PERF_REG_ARM64_X26; + case UNW_AARCH64_X27: + return PERF_REG_ARM64_X27; + case UNW_AARCH64_X28: + return PERF_REG_ARM64_X28; + case UNW_AARCH64_X29: + return PERF_REG_ARM64_X29; + case UNW_AARCH64_X30: + return PERF_REG_ARM64_LR; + case UNW_AARCH64_SP: + return PERF_REG_ARM64_SP; + case UNW_AARCH64_PC: + return PERF_REG_ARM64_PC; + default: + pr_err("unwind: invalid reg id %d\n", regnum); + return -EINVAL; + } + + return -EINVAL; +} diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c index aacef07ebf3..42faf369211 100644 --- a/tools/perf/arch/common.c +++ b/tools/perf/arch/common.c @@ -154,8 +154,7 @@ static int perf_session_env__lookup_binutils_path(struct perf_session_env *env, } if (lookup_path(buf)) goto out; - free(buf); - buf = NULL; + zfree(&buf); } if (!strcmp(arch, "arm")) diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile index 8801fe02f20..1641542e363 100644 --- a/tools/perf/arch/x86/Makefile +++ b/tools/perf/arch/x86/Makefile @@ -3,7 +3,14 @@ PERF_HAVE_DWARF_REGS := 1 LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o endif ifndef NO_LIBUNWIND -LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/unwind.o +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/unwind-libunwind.o +endif +ifndef NO_LIBDW_DWARF_UNWIND +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/unwind-libdw.o +endif +ifndef NO_DWARF_UNWIND +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/tests/regs_load.o +LIB_OBJS += $(OUTPUT)arch/$(ARCH)/tests/dwarf-unwind.o endif LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/tsc.o diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h index e84ca76aae7..7df517acfef 100644 --- a/tools/perf/arch/x86/include/perf_regs.h +++ b/tools/perf/arch/x86/include/perf_regs.h @@ -2,17 +2,23 @@ #define ARCH_PERF_REGS_H #include <stdlib.h> -#include "../../util/types.h" +#include <linux/types.h> #include <asm/perf_regs.h> +void perf_regs_load(u64 *regs); + #ifndef HAVE_ARCH_X86_64_SUPPORT #define PERF_REGS_MASK ((1ULL << PERF_REG_X86_32_MAX) - 1) +#define PERF_REGS_MAX PERF_REG_X86_32_MAX +#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32 #else #define REG_NOSUPPORT ((1ULL << PERF_REG_X86_DS) | \ (1ULL << PERF_REG_X86_ES) | \ (1ULL << PERF_REG_X86_FS) | \ (1ULL << PERF_REG_X86_GS)) #define PERF_REGS_MASK (((1ULL << PERF_REG_X86_64_MAX) - 1) & ~REG_NOSUPPORT) +#define PERF_REGS_MAX PERF_REG_X86_64_MAX +#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64 #endif #define PERF_REG_IP PERF_REG_X86_IP #define PERF_REG_SP PERF_REG_X86_SP diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c new file mode 100644 index 00000000000..9f89f899ccc --- /dev/null +++ b/tools/perf/arch/x86/tests/dwarf-unwind.c @@ -0,0 +1,60 @@ +#include <string.h> +#include "perf_regs.h" +#include "thread.h" +#include "map.h" +#include "event.h" +#include "tests/tests.h" + +#define STACK_SIZE 8192 + +static int sample_ustack(struct perf_sample *sample, + struct thread *thread, u64 *regs) +{ + struct stack_dump *stack = &sample->user_stack; + struct map *map; + unsigned long sp; + u64 stack_size, *buf; + + buf = malloc(STACK_SIZE); + if (!buf) { + pr_debug("failed to allocate sample uregs data\n"); + return -1; + } + + sp = (unsigned long) regs[PERF_REG_X86_SP]; + + map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp); + if (!map) { + pr_debug("failed to get stack map\n"); + free(buf); + return -1; + } + + stack_size = map->end - sp; + stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size; + + memcpy(buf, (void *) sp, stack_size); + stack->data = (char *) buf; + stack->size = stack_size; + return 0; +} + +int test__arch_unwind_sample(struct perf_sample *sample, + struct thread *thread) +{ + struct regs_dump *regs = &sample->user_regs; + u64 *buf; + + buf = malloc(sizeof(u64) * PERF_REGS_MAX); + if (!buf) { + pr_debug("failed to allocate sample uregs data\n"); + return -1; + } + + perf_regs_load(buf); + regs->abi = PERF_SAMPLE_REGS_ABI; + regs->regs = buf; + regs->mask = PERF_REGS_MASK; + + return sample_ustack(sample, thread, buf); +} diff --git a/tools/perf/arch/x86/tests/regs_load.S b/tools/perf/arch/x86/tests/regs_load.S new file mode 100644 index 00000000000..60875d5c556 --- /dev/null +++ b/tools/perf/arch/x86/tests/regs_load.S @@ -0,0 +1,98 @@ +#include <linux/linkage.h> + +#define AX 0 +#define BX 1 * 8 +#define CX 2 * 8 +#define DX 3 * 8 +#define SI 4 * 8 +#define DI 5 * 8 +#define BP 6 * 8 +#define SP 7 * 8 +#define IP 8 * 8 +#define FLAGS 9 * 8 +#define CS 10 * 8 +#define SS 11 * 8 +#define DS 12 * 8 +#define ES 13 * 8 +#define FS 14 * 8 +#define GS 15 * 8 +#define R8 16 * 8 +#define R9 17 * 8 +#define R10 18 * 8 +#define R11 19 * 8 +#define R12 20 * 8 +#define R13 21 * 8 +#define R14 22 * 8 +#define R15 23 * 8 + +.text +#ifdef HAVE_ARCH_X86_64_SUPPORT +ENTRY(perf_regs_load) + movq %rax, AX(%rdi) + movq %rbx, BX(%rdi) + movq %rcx, CX(%rdi) + movq %rdx, DX(%rdi) + movq %rsi, SI(%rdi) + movq %rdi, DI(%rdi) + movq %rbp, BP(%rdi) + + leaq 8(%rsp), %rax /* exclude this call. */ + movq %rax, SP(%rdi) + + movq 0(%rsp), %rax + movq %rax, IP(%rdi) + + movq $0, FLAGS(%rdi) + movq $0, CS(%rdi) + movq $0, SS(%rdi) + movq $0, DS(%rdi) + movq $0, ES(%rdi) + movq $0, FS(%rdi) + movq $0, GS(%rdi) + + movq %r8, R8(%rdi) + movq %r9, R9(%rdi) + movq %r10, R10(%rdi) + movq %r11, R11(%rdi) + movq %r12, R12(%rdi) + movq %r13, R13(%rdi) + movq %r14, R14(%rdi) + movq %r15, R15(%rdi) + ret +ENDPROC(perf_regs_load) +#else +ENTRY(perf_regs_load) + push %edi + movl 8(%esp), %edi + movl %eax, AX(%edi) + movl %ebx, BX(%edi) + movl %ecx, CX(%edi) + movl %edx, DX(%edi) + movl %esi, SI(%edi) + pop %eax + movl %eax, DI(%edi) + movl %ebp, BP(%edi) + + leal 4(%esp), %eax /* exclude this call. */ + movl %eax, SP(%edi) + + movl 0(%esp), %eax + movl %eax, IP(%edi) + + movl $0, FLAGS(%edi) + movl $0, CS(%edi) + movl $0, SS(%edi) + movl $0, DS(%edi) + movl $0, ES(%edi) + movl $0, FS(%edi) + movl $0, GS(%edi) + ret +ENDPROC(perf_regs_load) +#endif + +/* + * We need to provide note.GNU-stack section, saying that we want + * NOT executable stack. Otherwise the final linking will assume that + * the ELF stack should not be restricted at all and set it RWX. + */ +.section .note.GNU-stack,"",@progbits diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c index b2519e49424..40021fa3129 100644 --- a/tools/perf/arch/x86/util/tsc.c +++ b/tools/perf/arch/x86/util/tsc.c @@ -4,7 +4,7 @@ #include <linux/perf_event.h> #include "../../perf.h" -#include "../../util/types.h" +#include <linux/types.h> #include "../../util/debug.h" #include "tsc.h" diff --git a/tools/perf/arch/x86/util/tsc.h b/tools/perf/arch/x86/util/tsc.h index a24dec81c79..2affe0366b5 100644 --- a/tools/perf/arch/x86/util/tsc.h +++ b/tools/perf/arch/x86/util/tsc.h @@ -1,7 +1,7 @@ #ifndef TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ #define TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ -#include "../../util/types.h" +#include <linux/types.h> struct perf_tsc_conversion { u16 time_shift; diff --git a/tools/perf/arch/x86/util/unwind-libdw.c b/tools/perf/arch/x86/util/unwind-libdw.c new file mode 100644 index 00000000000..c4b72176ca8 --- /dev/null +++ b/tools/perf/arch/x86/util/unwind-libdw.c @@ -0,0 +1,51 @@ +#include <elfutils/libdwfl.h> +#include "../../util/unwind-libdw.h" +#include "../../util/perf_regs.h" + +bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) +{ + struct unwind_info *ui = arg; + struct regs_dump *user_regs = &ui->sample->user_regs; + Dwarf_Word dwarf_regs[17]; + unsigned nregs; + +#define REG(r) ({ \ + Dwarf_Word val = 0; \ + perf_reg_value(&val, user_regs, PERF_REG_X86_##r); \ + val; \ +}) + + if (user_regs->abi == PERF_SAMPLE_REGS_ABI_32) { + dwarf_regs[0] = REG(AX); + dwarf_regs[1] = REG(CX); + dwarf_regs[2] = REG(DX); + dwarf_regs[3] = REG(BX); + dwarf_regs[4] = REG(SP); + dwarf_regs[5] = REG(BP); + dwarf_regs[6] = REG(SI); + dwarf_regs[7] = REG(DI); + dwarf_regs[8] = REG(IP); + nregs = 9; + } else { + dwarf_regs[0] = REG(AX); + dwarf_regs[1] = REG(DX); + dwarf_regs[2] = REG(CX); + dwarf_regs[3] = REG(BX); + dwarf_regs[4] = REG(SI); + dwarf_regs[5] = REG(DI); + dwarf_regs[6] = REG(BP); + dwarf_regs[7] = REG(SP); + dwarf_regs[8] = REG(R8); + dwarf_regs[9] = REG(R9); + dwarf_regs[10] = REG(R10); + dwarf_regs[11] = REG(R11); + dwarf_regs[12] = REG(R12); + dwarf_regs[13] = REG(R13); + dwarf_regs[14] = REG(R14); + dwarf_regs[15] = REG(R15); + dwarf_regs[16] = REG(IP); + nregs = 17; + } + + return dwfl_thread_state_registers(thread, 0, nregs, dwarf_regs); +} diff --git a/tools/perf/arch/x86/util/unwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c index 456a88cf5b3..3261f68c6a7 100644 --- a/tools/perf/arch/x86/util/unwind.c +++ b/tools/perf/arch/x86/util/unwind-libunwind.c @@ -5,7 +5,7 @@ #include "../../util/unwind.h" #ifdef HAVE_ARCH_X86_64_SUPPORT -int unwind__arch_reg_id(int regnum) +int libunwind__arch_reg_id(int regnum) { int id; @@ -69,7 +69,7 @@ int unwind__arch_reg_id(int regnum) return id; } #else -int unwind__arch_reg_id(int regnum) +int libunwind__arch_reg_id(int regnum) { int id; diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h index 0fdc85269c4..eba46709b27 100644 --- a/tools/perf/bench/bench.h +++ b/tools/perf/bench/bench.h @@ -31,6 +31,9 @@ extern int bench_sched_pipe(int argc, const char **argv, const char *prefix); extern int bench_mem_memcpy(int argc, const char **argv, const char *prefix __maybe_unused); extern int bench_mem_memset(int argc, const char **argv, const char *prefix); +extern int bench_futex_hash(int argc, const char **argv, const char *prefix); +extern int bench_futex_wake(int argc, const char **argv, const char *prefix); +extern int bench_futex_requeue(int argc, const char **argv, const char *prefix); #define BENCH_FORMAT_DEFAULT_STR "default" #define BENCH_FORMAT_DEFAULT 0 diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c new file mode 100644 index 00000000000..a84206e9c4a --- /dev/null +++ b/tools/perf/bench/futex-hash.c @@ -0,0 +1,212 @@ +/* + * Copyright (C) 2013 Davidlohr Bueso <davidlohr@hp.com> + * + * futex-hash: Stress the hell out of the Linux kernel futex uaddr hashing. + * + * This program is particularly useful for measuring the kernel's futex hash + * table/function implementation. In order for it to make sense, use with as + * many threads and futexes as possible. + */ + +#include "../perf.h" +#include "../util/util.h" +#include "../util/stat.h" +#include "../util/parse-options.h" +#include "../util/header.h" +#include "bench.h" +#include "futex.h" + +#include <err.h> +#include <stdlib.h> +#include <sys/time.h> +#include <pthread.h> + +static unsigned int nthreads = 0; +static unsigned int nsecs = 10; +/* amount of futexes per thread */ +static unsigned int nfutexes = 1024; +static bool fshared = false, done = false, silent = false; + +struct timeval start, end, runtime; +static pthread_mutex_t thread_lock; +static unsigned int threads_starting; +static struct stats throughput_stats; +static pthread_cond_t thread_parent, thread_worker; + +struct worker { + int tid; + u_int32_t *futex; + pthread_t thread; + unsigned long ops; +}; + +static const struct option options[] = { + OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"), + OPT_UINTEGER('r', "runtime", &nsecs, "Specify runtime (in seconds)"), + OPT_UINTEGER('f', "futexes", &nfutexes, "Specify amount of futexes per threads"), + OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"), + OPT_BOOLEAN( 'S', "shared", &fshared, "Use shared futexes instead of private ones"), + OPT_END() +}; + +static const char * const bench_futex_hash_usage[] = { + "perf bench futex hash <options>", + NULL +}; + +static void *workerfn(void *arg) +{ + int ret; + unsigned int i; + struct worker *w = (struct worker *) arg; + + pthread_mutex_lock(&thread_lock); + threads_starting--; + if (!threads_starting) + pthread_cond_signal(&thread_parent); + pthread_cond_wait(&thread_worker, &thread_lock); + pthread_mutex_unlock(&thread_lock); + + do { + for (i = 0; i < nfutexes; i++, w->ops++) { + /* + * We want the futex calls to fail in order to stress + * the hashing of uaddr and not measure other steps, + * such as internal waitqueue handling, thus enlarging + * the critical region protected by hb->lock. + */ + ret = futex_wait(&w->futex[i], 1234, NULL, + fshared ? 0 : FUTEX_PRIVATE_FLAG); + if (!silent && + (!ret || errno != EAGAIN || errno != EWOULDBLOCK)) + warn("Non-expected futex return call"); + } + } while (!done); + + return NULL; +} + +static void toggle_done(int sig __maybe_unused, + siginfo_t *info __maybe_unused, + void *uc __maybe_unused) +{ + /* inform all threads that we're done for the day */ + done = true; + gettimeofday(&end, NULL); + timersub(&end, &start, &runtime); +} + +static void print_summary(void) +{ + unsigned long avg = avg_stats(&throughput_stats); + double stddev = stddev_stats(&throughput_stats); + + printf("%sAveraged %ld operations/sec (+- %.2f%%), total secs = %d\n", + !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg), + (int) runtime.tv_sec); +} + +int bench_futex_hash(int argc, const char **argv, + const char *prefix __maybe_unused) +{ + int ret = 0; + cpu_set_t cpu; + struct sigaction act; + unsigned int i, ncpus; + pthread_attr_t thread_attr; + struct worker *worker = NULL; + + argc = parse_options(argc, argv, options, bench_futex_hash_usage, 0); + if (argc) { + usage_with_options(bench_futex_hash_usage, options); + exit(EXIT_FAILURE); + } + + ncpus = sysconf(_SC_NPROCESSORS_ONLN); + + sigfillset(&act.sa_mask); + act.sa_sigaction = toggle_done; + sigaction(SIGINT, &act, NULL); + + if (!nthreads) /* default to the number of CPUs */ + nthreads = ncpus; + + worker = calloc(nthreads, sizeof(*worker)); + if (!worker) + goto errmem; + + printf("Run summary [PID %d]: %d threads, each operating on %d [%s] futexes for %d secs.\n\n", + getpid(), nthreads, nfutexes, fshared ? "shared":"private", nsecs); + + init_stats(&throughput_stats); + pthread_mutex_init(&thread_lock, NULL); + pthread_cond_init(&thread_parent, NULL); + pthread_cond_init(&thread_worker, NULL); + + threads_starting = nthreads; + pthread_attr_init(&thread_attr); + gettimeofday(&start, NULL); + for (i = 0; i < nthreads; i++) { + worker[i].tid = i; + worker[i].futex = calloc(nfutexes, sizeof(*worker[i].futex)); + if (!worker[i].futex) + goto errmem; + + CPU_ZERO(&cpu); + CPU_SET(i % ncpus, &cpu); + + ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu); + if (ret) + err(EXIT_FAILURE, "pthread_attr_setaffinity_np"); + + ret = pthread_create(&worker[i].thread, &thread_attr, workerfn, + (void *)(struct worker *) &worker[i]); + if (ret) + err(EXIT_FAILURE, "pthread_create"); + + } + pthread_attr_destroy(&thread_attr); + + pthread_mutex_lock(&thread_lock); + while (threads_starting) + pthread_cond_wait(&thread_parent, &thread_lock); + pthread_cond_broadcast(&thread_worker); + pthread_mutex_unlock(&thread_lock); + + sleep(nsecs); + toggle_done(0, NULL, NULL); + + for (i = 0; i < nthreads; i++) { + ret = pthread_join(worker[i].thread, NULL); + if (ret) + err(EXIT_FAILURE, "pthread_join"); + } + + /* cleanup & report results */ + pthread_cond_destroy(&thread_parent); + pthread_cond_destroy(&thread_worker); + pthread_mutex_destroy(&thread_lock); + + for (i = 0; i < nthreads; i++) { + unsigned long t = worker[i].ops/runtime.tv_sec; + update_stats(&throughput_stats, t); + if (!silent) { + if (nfutexes == 1) + printf("[thread %2d] futex: %p [ %ld ops/sec ]\n", + worker[i].tid, &worker[i].futex[0], t); + else + printf("[thread %2d] futexes: %p ... %p [ %ld ops/sec ]\n", + worker[i].tid, &worker[i].futex[0], + &worker[i].futex[nfutexes-1], t); + } + + free(worker[i].futex); + } + + print_summary(); + + free(worker); + return ret; +errmem: + err(EXIT_FAILURE, "calloc"); +} diff --git a/tools/perf/bench/futex-requeue.c b/tools/perf/bench/futex-requeue.c new file mode 100644 index 00000000000..a16255876f1 --- /dev/null +++ b/tools/perf/bench/futex-requeue.c @@ -0,0 +1,211 @@ +/* + * Copyright (C) 2013 Davidlohr Bueso <davidlohr@hp.com> + * + * futex-requeue: Block a bunch of threads on futex1 and requeue them + * on futex2, N at a time. + * + * This program is particularly useful to measure the latency of nthread + * requeues without waking up any tasks -- thus mimicking a regular futex_wait. + */ + +#include "../perf.h" +#include "../util/util.h" +#include "../util/stat.h" +#include "../util/parse-options.h" +#include "../util/header.h" +#include "bench.h" +#include "futex.h" + +#include <err.h> +#include <stdlib.h> +#include <sys/time.h> +#include <pthread.h> + +static u_int32_t futex1 = 0, futex2 = 0; + +/* + * How many tasks to requeue at a time. + * Default to 1 in order to make the kernel work more. + */ +static unsigned int nrequeue = 1; + +/* + * There can be significant variance from run to run, + * the more repeats, the more exact the overall avg and + * the better idea of the futex latency. + */ +static unsigned int repeat = 10; + +static pthread_t *worker; +static bool done = 0, silent = 0; +static pthread_mutex_t thread_lock; +static pthread_cond_t thread_parent, thread_worker; +static struct stats requeuetime_stats, requeued_stats; +static unsigned int ncpus, threads_starting, nthreads = 0; + +static const struct option options[] = { + OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"), + OPT_UINTEGER('q', "nrequeue", &nrequeue, "Specify amount of threads to requeue at once"), + OPT_UINTEGER('r', "repeat", &repeat, "Specify amount of times to repeat the run"), + OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"), + OPT_END() +}; + +static const char * const bench_futex_requeue_usage[] = { + "perf bench futex requeue <options>", + NULL +}; + +static void print_summary(void) +{ + double requeuetime_avg = avg_stats(&requeuetime_stats); + double requeuetime_stddev = stddev_stats(&requeuetime_stats); + unsigned int requeued_avg = avg_stats(&requeued_stats); + + printf("Requeued %d of %d threads in %.4f ms (+-%.2f%%)\n", + requeued_avg, + nthreads, + requeuetime_avg/1e3, + rel_stddev_stats(requeuetime_stddev, requeuetime_avg)); +} + +static void *workerfn(void *arg __maybe_unused) +{ + pthread_mutex_lock(&thread_lock); + threads_starting--; + if (!threads_starting) + pthread_cond_signal(&thread_parent); + pthread_cond_wait(&thread_worker, &thread_lock); + pthread_mutex_unlock(&thread_lock); + + futex_wait(&futex1, 0, NULL, FUTEX_PRIVATE_FLAG); + return NULL; +} + +static void block_threads(pthread_t *w, + pthread_attr_t thread_attr) +{ + cpu_set_t cpu; + unsigned int i; + + threads_starting = nthreads; + + /* create and block all threads */ + for (i = 0; i < nthreads; i++) { + CPU_ZERO(&cpu); + CPU_SET(i % ncpus, &cpu); + + if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu)) + err(EXIT_FAILURE, "pthread_attr_setaffinity_np"); + + if (pthread_create(&w[i], &thread_attr, workerfn, NULL)) + err(EXIT_FAILURE, "pthread_create"); + } +} + +static void toggle_done(int sig __maybe_unused, + siginfo_t *info __maybe_unused, + void *uc __maybe_unused) +{ + done = true; +} + +int bench_futex_requeue(int argc, const char **argv, + const char *prefix __maybe_unused) +{ + int ret = 0; + unsigned int i, j; + struct sigaction act; + pthread_attr_t thread_attr; + + argc = parse_options(argc, argv, options, bench_futex_requeue_usage, 0); + if (argc) + goto err; + + ncpus = sysconf(_SC_NPROCESSORS_ONLN); + + sigfillset(&act.sa_mask); + act.sa_sigaction = toggle_done; + sigaction(SIGINT, &act, NULL); + + if (!nthreads) + nthreads = ncpus; + + worker = calloc(nthreads, sizeof(*worker)); + if (!worker) + err(EXIT_FAILURE, "calloc"); + + printf("Run summary [PID %d]: Requeuing %d threads (from %p to %p), " + "%d at a time.\n\n", + getpid(), nthreads, &futex1, &futex2, nrequeue); + + init_stats(&requeued_stats); + init_stats(&requeuetime_stats); + pthread_attr_init(&thread_attr); + pthread_mutex_init(&thread_lock, NULL); + pthread_cond_init(&thread_parent, NULL); + pthread_cond_init(&thread_worker, NULL); + + for (j = 0; j < repeat && !done; j++) { + unsigned int nrequeued = 0; + struct timeval start, end, runtime; + + /* create, launch & block all threads */ + block_threads(worker, thread_attr); + + /* make sure all threads are already blocked */ + pthread_mutex_lock(&thread_lock); + while (threads_starting) + pthread_cond_wait(&thread_parent, &thread_lock); + pthread_cond_broadcast(&thread_worker); + pthread_mutex_unlock(&thread_lock); + + usleep(100000); + + /* Ok, all threads are patiently blocked, start requeueing */ + gettimeofday(&start, NULL); + for (nrequeued = 0; nrequeued < nthreads; nrequeued += nrequeue) + /* + * Do not wakeup any tasks blocked on futex1, allowing + * us to really measure futex_wait functionality. + */ + futex_cmp_requeue(&futex1, 0, &futex2, 0, nrequeue, + FUTEX_PRIVATE_FLAG); + gettimeofday(&end, NULL); + timersub(&end, &start, &runtime); + + update_stats(&requeued_stats, nrequeued); + update_stats(&requeuetime_stats, runtime.tv_usec); + + if (!silent) { + printf("[Run %d]: Requeued %d of %d threads in %.4f ms\n", + j + 1, nrequeued, nthreads, runtime.tv_usec/1e3); + } + + /* everybody should be blocked on futex2, wake'em up */ + nrequeued = futex_wake(&futex2, nthreads, FUTEX_PRIVATE_FLAG); + if (nthreads != nrequeued) + warnx("couldn't wakeup all tasks (%d/%d)", nrequeued, nthreads); + + for (i = 0; i < nthreads; i++) { + ret = pthread_join(worker[i], NULL); + if (ret) + err(EXIT_FAILURE, "pthread_join"); + } + + } + + /* cleanup & report results */ + pthread_cond_destroy(&thread_parent); + pthread_cond_destroy(&thread_worker); + pthread_mutex_destroy(&thread_lock); + pthread_attr_destroy(&thread_attr); + + print_summary(); + + free(worker); + return ret; +err: + usage_with_options(bench_futex_requeue_usage, options); + exit(EXIT_FAILURE); +} diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c new file mode 100644 index 00000000000..d096169b161 --- /dev/null +++ b/tools/perf/bench/futex-wake.c @@ -0,0 +1,201 @@ +/* + * Copyright (C) 2013 Davidlohr Bueso <davidlohr@hp.com> + * + * futex-wake: Block a bunch of threads on a futex and wake'em up, N at a time. + * + * This program is particularly useful to measure the latency of nthread wakeups + * in non-error situations: all waiters are queued and all wake calls wakeup + * one or more tasks, and thus the waitqueue is never empty. + */ + +#include "../perf.h" +#include "../util/util.h" +#include "../util/stat.h" +#include "../util/parse-options.h" +#include "../util/header.h" +#include "bench.h" +#include "futex.h" + +#include <err.h> +#include <stdlib.h> +#include <sys/time.h> +#include <pthread.h> + +/* all threads will block on the same futex */ +static u_int32_t futex1 = 0; + +/* + * How many wakeups to do at a time. + * Default to 1 in order to make the kernel work more. + */ +static unsigned int nwakes = 1; + +/* + * There can be significant variance from run to run, + * the more repeats, the more exact the overall avg and + * the better idea of the futex latency. + */ +static unsigned int repeat = 10; + +pthread_t *worker; +static bool done = 0, silent = 0; +static pthread_mutex_t thread_lock; +static pthread_cond_t thread_parent, thread_worker; +static struct stats waketime_stats, wakeup_stats; +static unsigned int ncpus, threads_starting, nthreads = 0; + +static const struct option options[] = { + OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"), + OPT_UINTEGER('w', "nwakes", &nwakes, "Specify amount of threads to wake at once"), + OPT_UINTEGER('r', "repeat", &repeat, "Specify amount of times to repeat the run"), + OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"), + OPT_END() +}; + +static const char * const bench_futex_wake_usage[] = { + "perf bench futex wake <options>", + NULL +}; + +static void *workerfn(void *arg __maybe_unused) +{ + pthread_mutex_lock(&thread_lock); + threads_starting--; + if (!threads_starting) + pthread_cond_signal(&thread_parent); + pthread_cond_wait(&thread_worker, &thread_lock); + pthread_mutex_unlock(&thread_lock); + + futex_wait(&futex1, 0, NULL, FUTEX_PRIVATE_FLAG); + return NULL; +} + +static void print_summary(void) +{ + double waketime_avg = avg_stats(&waketime_stats); + double waketime_stddev = stddev_stats(&waketime_stats); + unsigned int wakeup_avg = avg_stats(&wakeup_stats); + + printf("Wokeup %d of %d threads in %.4f ms (+-%.2f%%)\n", + wakeup_avg, + nthreads, + waketime_avg/1e3, + rel_stddev_stats(waketime_stddev, waketime_avg)); +} + +static void block_threads(pthread_t *w, + pthread_attr_t thread_attr) +{ + cpu_set_t cpu; + unsigned int i; + + threads_starting = nthreads; + + /* create and block all threads */ + for (i = 0; i < nthreads; i++) { + CPU_ZERO(&cpu); + CPU_SET(i % ncpus, &cpu); + + if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu)) + err(EXIT_FAILURE, "pthread_attr_setaffinity_np"); + + if (pthread_create(&w[i], &thread_attr, workerfn, NULL)) + err(EXIT_FAILURE, "pthread_create"); + } +} + +static void toggle_done(int sig __maybe_unused, + siginfo_t *info __maybe_unused, + void *uc __maybe_unused) +{ + done = true; +} + +int bench_futex_wake(int argc, const char **argv, + const char *prefix __maybe_unused) +{ + int ret = 0; + unsigned int i, j; + struct sigaction act; + pthread_attr_t thread_attr; + + argc = parse_options(argc, argv, options, bench_futex_wake_usage, 0); + if (argc) { + usage_with_options(bench_futex_wake_usage, options); + exit(EXIT_FAILURE); + } + + ncpus = sysconf(_SC_NPROCESSORS_ONLN); + + sigfillset(&act.sa_mask); + act.sa_sigaction = toggle_done; + sigaction(SIGINT, &act, NULL); + + if (!nthreads) + nthreads = ncpus; + + worker = calloc(nthreads, sizeof(*worker)); + if (!worker) + err(EXIT_FAILURE, "calloc"); + + printf("Run summary [PID %d]: blocking on %d threads (at futex %p), " + "waking up %d at a time.\n\n", + getpid(), nthreads, &futex1, nwakes); + + init_stats(&wakeup_stats); + init_stats(&waketime_stats); + pthread_attr_init(&thread_attr); + pthread_mutex_init(&thread_lock, NULL); + pthread_cond_init(&thread_parent, NULL); + pthread_cond_init(&thread_worker, NULL); + + for (j = 0; j < repeat && !done; j++) { + unsigned int nwoken = 0; + struct timeval start, end, runtime; + + /* create, launch & block all threads */ + block_threads(worker, thread_attr); + + /* make sure all threads are already blocked */ + pthread_mutex_lock(&thread_lock); + while (threads_starting) + pthread_cond_wait(&thread_parent, &thread_lock); + pthread_cond_broadcast(&thread_worker); + pthread_mutex_unlock(&thread_lock); + + usleep(100000); + + /* Ok, all threads are patiently blocked, start waking folks up */ + gettimeofday(&start, NULL); + while (nwoken != nthreads) + nwoken += futex_wake(&futex1, nwakes, FUTEX_PRIVATE_FLAG); + gettimeofday(&end, NULL); + timersub(&end, &start, &runtime); + + update_stats(&wakeup_stats, nwoken); + update_stats(&waketime_stats, runtime.tv_usec); + + if (!silent) { + printf("[Run %d]: Wokeup %d of %d threads in %.4f ms\n", + j + 1, nwoken, nthreads, runtime.tv_usec/1e3); + } + + for (i = 0; i < nthreads; i++) { + ret = pthread_join(worker[i], NULL); + if (ret) + err(EXIT_FAILURE, "pthread_join"); + } + + } + + /* cleanup & report results */ + pthread_cond_destroy(&thread_parent); + pthread_cond_destroy(&thread_worker); + pthread_mutex_destroy(&thread_lock); + pthread_attr_destroy(&thread_attr); + + print_summary(); + + free(worker); + return ret; +} diff --git a/tools/perf/bench/futex.h b/tools/perf/bench/futex.h new file mode 100644 index 00000000000..71f2844cf97 --- /dev/null +++ b/tools/perf/bench/futex.h @@ -0,0 +1,71 @@ +/* + * Glibc independent futex library for testing kernel functionality. + * Shamelessly stolen from Darren Hart <dvhltc@us.ibm.com> + * http://git.kernel.org/cgit/linux/kernel/git/dvhart/futextest.git/ + */ + +#ifndef _FUTEX_H +#define _FUTEX_H + +#include <unistd.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <linux/futex.h> + +/** + * futex() - SYS_futex syscall wrapper + * @uaddr: address of first futex + * @op: futex op code + * @val: typically expected value of uaddr, but varies by op + * @timeout: typically an absolute struct timespec (except where noted + * otherwise). Overloaded by some ops + * @uaddr2: address of second futex for some ops\ + * @val3: varies by op + * @opflags: flags to be bitwise OR'd with op, such as FUTEX_PRIVATE_FLAG + * + * futex() is used by all the following futex op wrappers. It can also be + * used for misuse and abuse testing. Generally, the specific op wrappers + * should be used instead. It is a macro instead of an static inline function as + * some of the types over overloaded (timeout is used for nr_requeue for + * example). + * + * These argument descriptions are the defaults for all + * like-named arguments in the following wrappers except where noted below. + */ +#define futex(uaddr, op, val, timeout, uaddr2, val3, opflags) \ + syscall(SYS_futex, uaddr, op | opflags, val, timeout, uaddr2, val3) + +/** + * futex_wait() - block on uaddr with optional timeout + * @timeout: relative timeout + */ +static inline int +futex_wait(u_int32_t *uaddr, u_int32_t val, struct timespec *timeout, int opflags) +{ + return futex(uaddr, FUTEX_WAIT, val, timeout, NULL, 0, opflags); +} + +/** + * futex_wake() - wake one or more tasks blocked on uaddr + * @nr_wake: wake up to this many tasks + */ +static inline int +futex_wake(u_int32_t *uaddr, int nr_wake, int opflags) +{ + return futex(uaddr, FUTEX_WAKE, nr_wake, NULL, NULL, 0, opflags); +} + +/** +* futex_cmp_requeue() - requeue tasks from uaddr to uaddr2 +* @nr_wake: wake up to this many tasks +* @nr_requeue: requeue up to this many tasks +*/ +static inline int +futex_cmp_requeue(u_int32_t *uaddr, u_int32_t val, u_int32_t *uaddr2, int nr_wake, + int nr_requeue, int opflags) +{ + return futex(uaddr, FUTEX_CMP_REQUEUE, nr_wake, nr_requeue, uaddr2, + val, opflags); +} + +#endif /* _FUTEX_H */ diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c index d4c83c60b9b..ebfa163b80b 100644 --- a/tools/perf/bench/numa.c +++ b/tools/perf/bench/numa.c @@ -1593,6 +1593,11 @@ static void init_params(struct params *p, const char *name, int argc, const char p->data_rand_walk = true; p->nr_loops = -1; p->init_random = true; + p->mb_global_str = "1"; + p->nr_proc = 1; + p->nr_threads = 1; + p->nr_secs = 5; + p->run_all = argc == 1; } static int run_bench_numa(const char *name, const char **argv) diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 4087ab19823..1ec429fef2b 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -46,7 +46,7 @@ struct perf_annotate { }; static int perf_evsel__add_sample(struct perf_evsel *evsel, - struct perf_sample *sample, + struct perf_sample *sample __maybe_unused, struct addr_location *al, struct perf_annotate *ann) { @@ -65,21 +65,13 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel, return 0; } - he = __hists__add_entry(&evsel->hists, al, NULL, NULL, NULL, 1, 1, 0); + he = __hists__add_entry(&evsel->hists, al, NULL, NULL, NULL, 1, 1, 0, + true); if (he == NULL) return -ENOMEM; - ret = 0; - if (he->ms.sym != NULL) { - struct annotation *notes = symbol__annotation(he->ms.sym); - if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) - return -ENOMEM; - - ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); - } - - evsel->hists.stats.total_period += sample->period; - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); + ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); + hists__inc_nr_samples(&evsel->hists, true); return ret; } @@ -188,8 +180,7 @@ find_next: * symbol, free he->ms.sym->src to signal we already * processed this symbol. */ - free(notes->src); - notes->src = NULL; + zfree(¬es->src); } } } @@ -241,7 +232,7 @@ static int __cmd_annotate(struct perf_annotate *ann) perf_session__fprintf_dsos(session, stdout); total_nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { struct hists *hists = &pos->hists; u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; @@ -373,7 +364,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused) if (argc) { /* - * Special case: if there's an argument left then assume tha + * Special case: if there's an argument left then assume that * it's a symbol filter: */ if (argc > 1) diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c index e47f90cc7b9..1e6e7771054 100644 --- a/tools/perf/builtin-bench.c +++ b/tools/perf/builtin-bench.c @@ -12,6 +12,7 @@ * sched ... scheduler and IPC performance * mem ... memory access performance * numa ... NUMA scheduling and MM performance + * futex ... Futex performance */ #include "perf.h" #include "util/util.h" @@ -54,6 +55,14 @@ static struct bench mem_benchmarks[] = { { NULL, NULL, NULL } }; +static struct bench futex_benchmarks[] = { + { "hash", "Benchmark for futex hash table", bench_futex_hash }, + { "wake", "Benchmark for futex wake calls", bench_futex_wake }, + { "requeue", "Benchmark for futex requeue calls", bench_futex_requeue }, + { "all", "Test all futex benchmarks", NULL }, + { NULL, NULL, NULL } +}; + struct collection { const char *name; const char *summary; @@ -61,11 +70,12 @@ struct collection { }; static struct collection collections[] = { - { "sched", "Scheduler and IPC benchmarks", sched_benchmarks }, + { "sched", "Scheduler and IPC benchmarks", sched_benchmarks }, { "mem", "Memory access benchmarks", mem_benchmarks }, #ifdef HAVE_LIBNUMA_SUPPORT { "numa", "NUMA scheduling and MM benchmarks", numa_benchmarks }, #endif + {"futex", "Futex stressing benchmarks", futex_benchmarks }, { "all", "All benchmarks", NULL }, { NULL, NULL, NULL } }; @@ -76,7 +86,7 @@ static struct collection collections[] = { /* Iterate over all benchmarks within a collection: */ #define for_each_bench(coll, bench) \ - for (bench = coll->benchmarks; bench->name; bench++) + for (bench = coll->benchmarks; bench && bench->name; bench++) static void dump_benchmarks(struct collection *coll) { diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c index cfede86161d..b22dbb16f87 100644 --- a/tools/perf/builtin-buildid-cache.c +++ b/tools/perf/builtin-buildid-cache.c @@ -63,11 +63,35 @@ static int build_id_cache__kcore_dir(char *dir, size_t sz) return 0; } +static bool same_kallsyms_reloc(const char *from_dir, char *to_dir) +{ + char from[PATH_MAX]; + char to[PATH_MAX]; + const char *name; + u64 addr1 = 0, addr2 = 0; + int i; + + scnprintf(from, sizeof(from), "%s/kallsyms", from_dir); + scnprintf(to, sizeof(to), "%s/kallsyms", to_dir); + + for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) { + addr1 = kallsyms__get_function_start(from, name); + if (addr1) + break; + } + + if (name) + addr2 = kallsyms__get_function_start(to, name); + + return addr1 == addr2; +} + static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir, size_t to_dir_sz) { char from[PATH_MAX]; char to[PATH_MAX]; + char to_subdir[PATH_MAX]; struct dirent *dent; int ret = -1; DIR *d; @@ -86,10 +110,11 @@ static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir, continue; scnprintf(to, sizeof(to), "%s/%s/modules", to_dir, dent->d_name); - if (!compare_proc_modules(from, to)) { - scnprintf(to, sizeof(to), "%s/%s", to_dir, - dent->d_name); - strlcpy(to_dir, to, to_dir_sz); + scnprintf(to_subdir, sizeof(to_subdir), "%s/%s", + to_dir, dent->d_name); + if (!compare_proc_modules(from, to) && + same_kallsyms_reloc(from_dir, to_subdir)) { + strlcpy(to_dir, to_subdir, to_dir_sz); ret = 0; break; } diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 3b67ea2444b..9a5a035cb42 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -60,7 +60,6 @@ static int data__files_cnt; #define data__for_each_file(i, d) data__for_each_file_start(i, d, 0) #define data__for_each_file_new(i, d) data__for_each_file_start(i, d, 1) -static char diff__default_sort_order[] = "dso,symbol"; static bool force; static bool show_period; static bool show_formula; @@ -220,7 +219,8 @@ static int setup_compute(const struct option *opt, const char *str, static double period_percent(struct hist_entry *he, u64 period) { - u64 total = he->hists->stats.total_period; + u64 total = hists__total_period(he->hists); + return (period * 100.0) / total; } @@ -259,11 +259,18 @@ static s64 compute_wdiff(struct hist_entry *he, struct hist_entry *pair) static int formula_delta(struct hist_entry *he, struct hist_entry *pair, char *buf, size_t size) { + u64 he_total = he->hists->stats.total_period; + u64 pair_total = pair->hists->stats.total_period; + + if (symbol_conf.filter_relative) { + he_total = he->hists->stats.total_non_filtered_period; + pair_total = pair->hists->stats.total_non_filtered_period; + } return scnprintf(buf, size, "(%" PRIu64 " * 100 / %" PRIu64 ") - " "(%" PRIu64 " * 100 / %" PRIu64 ")", - pair->stat.period, pair->hists->stats.total_period, - he->stat.period, he->hists->stats.total_period); + pair->stat.period, pair_total, + he->stat.period, he_total); } static int formula_ratio(struct hist_entry *he, struct hist_entry *pair, @@ -308,7 +315,7 @@ static int hists__add_entry(struct hists *hists, u64 weight, u64 transaction) { if (__hists__add_entry(hists, al, NULL, NULL, NULL, period, weight, - transaction) != NULL) + transaction, true) != NULL) return 0; return -ENOMEM; } @@ -327,16 +334,22 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused, return -1; } - if (al.filtered) - return 0; - if (hists__add_entry(&evsel->hists, &al, sample->period, sample->weight, sample->transaction)) { pr_warning("problem incrementing symbol period, skipping event\n"); return -1; } + /* + * The total_period is updated here before going to the output + * tree since normally only the baseline hists will call + * hists__output_resort() and precompute needs the total + * period in order to sort entries by percentage delta. + */ evsel->hists.stats.total_period += sample->period; + if (!al.filtered) + evsel->hists.stats.total_non_filtered_period += sample->period; + return 0; } @@ -356,9 +369,10 @@ static struct perf_evsel *evsel_match(struct perf_evsel *evsel, { struct perf_evsel *e; - list_for_each_entry(e, &evlist->entries, node) + evlist__for_each(evlist, e) { if (perf_evsel__match2(evsel, e)) return e; + } return NULL; } @@ -367,7 +381,7 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { struct hists *hists = &evsel->hists; hists__collapse_resort(hists, NULL); @@ -563,8 +577,7 @@ static void hists__compute_resort(struct hists *hists) hists->entries = RB_ROOT; next = rb_first(root); - hists->nr_entries = 0; - hists->stats.total_period = 0; + hists__reset_stats(hists); hists__reset_col_len(hists); while (next != NULL) { @@ -574,7 +587,10 @@ static void hists__compute_resort(struct hists *hists) next = rb_next(&he->rb_node_in); insert_hist_entry_by_compute(&hists->entries, he, compute); - hists__inc_nr_entries(hists, he); + hists__inc_stats(hists, he); + + if (!he->filtered) + hists__calc_col_len(hists, he); } } @@ -614,7 +630,7 @@ static void data_process(void) struct perf_evsel *evsel_base; bool first = true; - list_for_each_entry(evsel_base, &evlist_base->entries, node) { + evlist__for_each(evlist_base, evsel_base) { struct data__file *d; int i; @@ -654,7 +670,7 @@ static void data__free(struct data__file *d) for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) { struct diff_hpp_fmt *fmt = &d->fmt[col]; - free(fmt->header); + zfree(&fmt->header); } } @@ -724,20 +740,24 @@ static const struct option options[] = { OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", "only consider these symbols"), OPT_STRING('s', "sort", &sort_order, "key[,key2...]", - "sort by key(s): pid, comm, dso, symbol, parent"), + "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." + " Please refer the man page for the complete list."), OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", "separator for columns, no spaces will be added between " "columns '.' is reserved."), OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), OPT_UINTEGER('o', "order", &sort_compute, "Specify compute sorting."), + OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", + "How to display percentage of filtered entries", parse_filter_percentage), OPT_END() }; static double baseline_percent(struct hist_entry *he) { - struct hists *hists = he->hists; - return 100.0 * he->stat.period / hists->stats.total_period; + u64 total = hists__total_period(he->hists); + + return 100.0 * he->stat.period / total; } static int hpp__color_baseline(struct perf_hpp_fmt *fmt, @@ -769,6 +789,81 @@ static int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size) return ret; } +static int __hpp__color_compare(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he, + int comparison_method) +{ + struct diff_hpp_fmt *dfmt = + container_of(fmt, struct diff_hpp_fmt, fmt); + struct hist_entry *pair = get_pair_fmt(he, dfmt); + double diff; + s64 wdiff; + char pfmt[20] = " "; + + if (!pair) + goto dummy_print; + + switch (comparison_method) { + case COMPUTE_DELTA: + if (pair->diff.computed) + diff = pair->diff.period_ratio_delta; + else + diff = compute_delta(he, pair); + + if (fabs(diff) < 0.01) + goto dummy_print; + scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1); + return percent_color_snprintf(hpp->buf, hpp->size, + pfmt, diff); + case COMPUTE_RATIO: + if (he->dummy) + goto dummy_print; + if (pair->diff.computed) + diff = pair->diff.period_ratio; + else + diff = compute_ratio(he, pair); + + scnprintf(pfmt, 20, "%%%d.6f", dfmt->header_width); + return value_color_snprintf(hpp->buf, hpp->size, + pfmt, diff); + case COMPUTE_WEIGHTED_DIFF: + if (he->dummy) + goto dummy_print; + if (pair->diff.computed) + wdiff = pair->diff.wdiff; + else + wdiff = compute_wdiff(he, pair); + + scnprintf(pfmt, 20, "%%14ld", dfmt->header_width); + return color_snprintf(hpp->buf, hpp->size, + get_percent_color(wdiff), + pfmt, wdiff); + default: + BUG_ON(1); + } +dummy_print: + return scnprintf(hpp->buf, hpp->size, "%*s", + dfmt->header_width, pfmt); +} + +static int hpp__color_delta(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_DELTA); +} + +static int hpp__color_ratio(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_RATIO); +} + +static int hpp__color_wdiff(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_WEIGHTED_DIFF); +} + static void hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) { @@ -876,8 +971,8 @@ static int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp, dfmt->header_width, buf); } -static int hpp__header(struct perf_hpp_fmt *fmt, - struct perf_hpp *hpp) +static int hpp__header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct perf_evsel *evsel __maybe_unused) { struct diff_hpp_fmt *dfmt = container_of(fmt, struct diff_hpp_fmt, fmt); @@ -887,7 +982,8 @@ static int hpp__header(struct perf_hpp_fmt *fmt, } static int hpp__width(struct perf_hpp_fmt *fmt, - struct perf_hpp *hpp __maybe_unused) + struct perf_hpp *hpp __maybe_unused, + struct perf_evsel *evsel __maybe_unused) { struct diff_hpp_fmt *dfmt = container_of(fmt, struct diff_hpp_fmt, fmt); @@ -940,8 +1036,22 @@ static void data__hpp_register(struct data__file *d, int idx) fmt->entry = hpp__entry_global; /* TODO more colors */ - if (idx == PERF_HPP_DIFF__BASELINE) + switch (idx) { + case PERF_HPP_DIFF__BASELINE: fmt->color = hpp__color_baseline; + break; + case PERF_HPP_DIFF__DELTA: + fmt->color = hpp__color_delta; + break; + case PERF_HPP_DIFF__RATIO: + fmt->color = hpp__color_ratio; + break; + case PERF_HPP_DIFF__WEIGHTED_DIFF: + fmt->color = hpp__color_wdiff; + break; + default: + break; + } init_header(d, dfmt); perf_hpp__column_register(fmt); @@ -1000,8 +1110,7 @@ static int data_init(int argc, const char **argv) data__files_cnt = argc; use_default = false; } - } else if (symbol_conf.default_guest_vmlinux_name || - symbol_conf.default_guest_kallsyms) { + } else if (perf_guest) { defaults[0] = "perf.data.host"; defaults[1] = "perf.data.guest"; } @@ -1030,7 +1139,8 @@ static int data_init(int argc, const char **argv) int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) { - sort_order = diff__default_sort_order; + perf_config(perf_default_config, NULL); + argc = parse_options(argc, argv, options, diff_usage, 0); if (symbol__init() < 0) @@ -1041,6 +1151,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) ui_init(); + sort__mode = SORT_MODE__DIFF; + if (setup_sorting() < 0) usage_with_options(diff_usage, options); diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index 20b0f12763b..c99e0de7e54 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -29,7 +29,7 @@ static int __cmd_evlist(const char *file_name, struct perf_attr_details *details if (session == NULL) return -ENOMEM; - list_for_each_entry(pos, &session->evlist->entries, node) + evlist__for_each(session->evlist, pos) perf_evsel__fprintf(pos, details, stdout); perf_session__delete(session); diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 6a250858946..16c7c11ad06 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -22,14 +22,13 @@ #include <linux/list.h> struct perf_inject { - struct perf_tool tool; - bool build_ids; - bool sched_stat; - const char *input_name; - int pipe_output, - output; - u64 bytes_written; - struct list_head samples; + struct perf_tool tool; + bool build_ids; + bool sched_stat; + const char *input_name; + struct perf_data_file output; + u64 bytes_written; + struct list_head samples; }; struct event_entry { @@ -42,21 +41,14 @@ static int perf_event__repipe_synth(struct perf_tool *tool, union perf_event *event) { struct perf_inject *inject = container_of(tool, struct perf_inject, tool); - uint32_t size; - void *buf = event; + ssize_t size; - size = event->header.size; - - while (size) { - int ret = write(inject->output, buf, size); - if (ret < 0) - return -errno; - - size -= ret; - buf += ret; - inject->bytes_written += ret; - } + size = perf_data_file__write(&inject->output, event, + event->header.size); + if (size < 0) + return -errno; + inject->bytes_written += size; return 0; } @@ -80,7 +72,7 @@ static int perf_event__repipe_attr(struct perf_tool *tool, if (ret) return ret; - if (!inject->pipe_output) + if (!inject->output.is_pipe) return 0; return perf_event__repipe_synth(tool, event); @@ -217,7 +209,7 @@ static int perf_event__inject_buildid(struct perf_tool *tool, cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - thread = machine__findnew_thread(machine, sample->pid, sample->pid); + thread = machine__findnew_thread(machine, sample->pid, sample->tid); if (thread == NULL) { pr_err("problem processing %d event, skipping it.\n", event->header.type); @@ -320,7 +312,6 @@ found: sample_sw.period = sample->period; sample_sw.time = sample->time; perf_event__synthesize_sample(event_sw, evsel->attr.sample_type, - evsel->attr.sample_regs_user, evsel->attr.read_format, &sample_sw, false); build_id__mark_dso_hit(tool, event_sw, &sample_sw, evsel, machine); @@ -355,6 +346,7 @@ static int __cmd_inject(struct perf_inject *inject) .path = inject->input_name, .mode = PERF_DATA_MODE_READ, }; + struct perf_data_file *file_out = &inject->output; signal(SIGINT, sig_handler); @@ -376,7 +368,7 @@ static int __cmd_inject(struct perf_inject *inject) inject->tool.ordered_samples = true; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { const char *name = perf_evsel__name(evsel); if (!strcmp(name, "sched:sched_switch")) { @@ -391,14 +383,14 @@ static int __cmd_inject(struct perf_inject *inject) } } - if (!inject->pipe_output) - lseek(inject->output, session->header.data_offset, SEEK_SET); + if (!file_out->is_pipe) + lseek(file_out->fd, session->header.data_offset, SEEK_SET); ret = perf_session__process_events(session, &inject->tool); - if (!inject->pipe_output) { + if (!file_out->is_pipe) { session->header.data_size = inject->bytes_written; - perf_session__write_header(session, session->evlist, inject->output, true); + perf_session__write_header(session, session->evlist, file_out->fd, true); } perf_session__delete(session); @@ -427,14 +419,17 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused) }, .input_name = "-", .samples = LIST_HEAD_INIT(inject.samples), + .output = { + .path = "-", + .mode = PERF_DATA_MODE_WRITE, + }, }; - const char *output_name = "-"; const struct option options[] = { OPT_BOOLEAN('b', "build-ids", &inject.build_ids, "Inject build-ids into the output stream"), OPT_STRING('i', "input", &inject.input_name, "file", "input file name"), - OPT_STRING('o', "output", &output_name, "file", + OPT_STRING('o', "output", &inject.output.path, "file", "output file name"), OPT_BOOLEAN('s', "sched-stat", &inject.sched_stat, "Merge sched-stat and sched-switch for getting events " @@ -456,16 +451,9 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused) if (argc) usage_with_options(inject_usage, options); - if (!strcmp(output_name, "-")) { - inject.pipe_output = 1; - inject.output = STDOUT_FILENO; - } else { - inject.output = open(output_name, O_CREAT | O_WRONLY | O_TRUNC, - S_IRUSR | S_IWUSR); - if (inject.output < 0) { - perror("failed to create output file"); - return -1; - } + if (perf_data_file__open(&inject.output)) { + perror("failed to create output file"); + return -1; } if (symbol__init() < 0) diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 929462aa494..bef3376bfaf 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -14,6 +14,7 @@ #include "util/parse-options.h" #include "util/trace-event.h" #include "util/data.h" +#include "util/cpumap.h" #include "util/debug.h" @@ -31,9 +32,6 @@ static int caller_lines = -1; static bool raw_ip; -static int *cpunode_map; -static int max_cpu_num; - struct alloc_stat { u64 call_site; u64 ptr; @@ -55,76 +53,6 @@ static struct rb_root root_caller_sorted; static unsigned long total_requested, total_allocated; static unsigned long nr_allocs, nr_cross_allocs; -#define PATH_SYS_NODE "/sys/devices/system/node" - -static int init_cpunode_map(void) -{ - FILE *fp; - int i, err = -1; - - fp = fopen("/sys/devices/system/cpu/kernel_max", "r"); - if (!fp) { - max_cpu_num = 4096; - return 0; - } - - if (fscanf(fp, "%d", &max_cpu_num) < 1) { - pr_err("Failed to read 'kernel_max' from sysfs"); - goto out_close; - } - - max_cpu_num++; - - cpunode_map = calloc(max_cpu_num, sizeof(int)); - if (!cpunode_map) { - pr_err("%s: calloc failed\n", __func__); - goto out_close; - } - - for (i = 0; i < max_cpu_num; i++) - cpunode_map[i] = -1; - - err = 0; -out_close: - fclose(fp); - return err; -} - -static int setup_cpunode_map(void) -{ - struct dirent *dent1, *dent2; - DIR *dir1, *dir2; - unsigned int cpu, mem; - char buf[PATH_MAX]; - - if (init_cpunode_map()) - return -1; - - dir1 = opendir(PATH_SYS_NODE); - if (!dir1) - return 0; - - while ((dent1 = readdir(dir1)) != NULL) { - if (dent1->d_type != DT_DIR || - sscanf(dent1->d_name, "node%u", &mem) < 1) - continue; - - snprintf(buf, PATH_MAX, "%s/%s", PATH_SYS_NODE, dent1->d_name); - dir2 = opendir(buf); - if (!dir2) - continue; - while ((dent2 = readdir(dir2)) != NULL) { - if (dent2->d_type != DT_LNK || - sscanf(dent2->d_name, "cpu%u", &cpu) < 1) - continue; - cpunode_map[cpu] = mem; - } - closedir(dir2); - } - closedir(dir1); - return 0; -} - static int insert_alloc_stat(unsigned long call_site, unsigned long ptr, int bytes_req, int bytes_alloc, int cpu) { @@ -235,7 +163,7 @@ static int perf_evsel__process_alloc_node_event(struct perf_evsel *evsel, int ret = perf_evsel__process_alloc_event(evsel, sample); if (!ret) { - int node1 = cpunode_map[sample->cpu], + int node1 = cpu__get_node(sample->cpu), node2 = perf_evsel__intval(evsel, sample, "node"); if (node1 != node2) @@ -307,7 +235,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused, struct machine *machine) { struct thread *thread = machine__findnew_thread(machine, sample->pid, - sample->pid); + sample->tid); if (thread == NULL) { pr_debug("problem processing %d event, skipping it.\n", @@ -756,11 +684,13 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"), OPT_END() }; - const char * const kmem_usage[] = { - "perf kmem [<options>] {record|stat}", + const char *const kmem_subcommands[] = { "record", "stat", NULL }; + const char *kmem_usage[] = { + NULL, NULL }; - argc = parse_options(argc, argv, kmem_options, kmem_usage, 0); + argc = parse_options_subcommand(argc, argv, kmem_options, + kmem_subcommands, kmem_usage, 0); if (!argc) usage_with_options(kmem_usage, kmem_options); @@ -770,7 +700,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) if (!strncmp(argv[0], "rec", 3)) { return __cmd_record(argc, argv); } else if (!strcmp(argv[0], "stat")) { - if (setup_cpunode_map()) + if (cpu__setup_cpunode_map()) return -1; if (list_empty(&caller_sort)) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index f8bf5f244d7..0f1e5a2f6ad 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -13,7 +13,7 @@ #include "util/parse-options.h" #include "util/trace-event.h" #include "util/debug.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include "util/tool.h" #include "util/stat.h" #include "util/top.h" @@ -89,7 +89,7 @@ struct exit_reasons_table { struct perf_kvm_stat { struct perf_tool tool; - struct perf_record_opts opts; + struct record_opts opts; struct perf_evlist *evlist; struct perf_session *session; @@ -404,6 +404,7 @@ static struct kvm_event *kvm_alloc_init_event(struct event_key *key) } event->key = *key; + init_stats(&event->total.stats); return event; } @@ -1158,9 +1159,7 @@ out: if (kvm->timerfd >= 0) close(kvm->timerfd); - if (pollfds) - free(pollfds); - + free(pollfds); return err; } @@ -1176,7 +1175,7 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) * Note: exclude_{guest,host} do not apply here. * This command processes KVM tracepoints from host only */ - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { struct perf_event_attr *attr = &pos->attr; /* make sure these *are* set */ @@ -1232,7 +1231,7 @@ static int read_events(struct perf_kvm_stat *kvm) .ordered_samples = true, }; struct perf_data_file file = { - .path = input_name, + .path = kvm->file_name, .mode = PERF_DATA_MODE_READ, }; @@ -1558,10 +1557,8 @@ out: if (kvm->session) perf_session__delete(kvm->session); kvm->session = NULL; - if (kvm->evlist) { - perf_evlist__delete_maps(kvm->evlist); + if (kvm->evlist) perf_evlist__delete(kvm->evlist); - } return err; } @@ -1690,20 +1687,20 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused) "file", "file saving guest os /proc/kallsyms"), OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, "file", "file saving guest os /proc/modules"), + OPT_INCR('v', "verbose", &verbose, + "be more verbose (show counter open errors, etc)"), OPT_END() }; - - const char * const kvm_usage[] = { - "perf kvm [<options>] {top|record|report|diff|buildid-list|stat}", - NULL - }; + const char *const kvm_subcommands[] = { "top", "record", "report", "diff", + "buildid-list", "stat", NULL }; + const char *kvm_usage[] = { NULL, NULL }; perf_host = 0; perf_guest = 1; - argc = parse_options(argc, argv, kvm_options, kvm_usage, - PARSE_OPT_STOP_AT_NON_OPTION); + argc = parse_options_subcommand(argc, argv, kvm_options, kvm_subcommands, kvm_usage, + PARSE_OPT_STOP_AT_NON_OPTION); if (!argc) usage_with_options(kvm_usage, kvm_options); @@ -1711,12 +1708,7 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused) perf_guest = 1; if (!file_name) { - if (perf_host && !perf_guest) - file_name = strdup("perf.data.host"); - else if (!perf_host && perf_guest) - file_name = strdup("perf.data.guest"); - else - file_name = strdup("perf.data.kvm"); + file_name = get_filename_for_perf_kvm(); if (!file_name) { pr_err("Failed to allocate memory for filename\n"); diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index c852c7a85d3..6148afc995c 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -961,8 +961,10 @@ int cmd_lock(int argc, const char **argv, const char *prefix __maybe_unused) "perf lock info [<options>]", NULL }; - const char * const lock_usage[] = { - "perf lock [<options>] {record|report|script|info}", + const char *const lock_subcommands[] = { "record", "report", "script", + "info", NULL }; + const char *lock_usage[] = { + NULL, NULL }; const char * const report_usage[] = { @@ -976,8 +978,8 @@ int cmd_lock(int argc, const char **argv, const char *prefix __maybe_unused) for (i = 0; i < LOCKHASH_SIZE; i++) INIT_LIST_HEAD(lockhash_table + i); - argc = parse_options(argc, argv, lock_options, lock_usage, - PARSE_OPT_STOP_AT_NON_OPTION); + argc = parse_options_subcommand(argc, argv, lock_options, lock_subcommands, + lock_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (!argc) usage_with_options(lock_usage, lock_options); diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 31c00f186da..4a1a6c94a5e 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -21,11 +21,6 @@ struct perf_mem { DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); }; -static const char * const mem_usage[] = { - "perf mem [<options>] {record <command> |report}", - NULL -}; - static int __cmd_record(int argc, const char **argv) { int rec_argc, i = 0, j; @@ -62,7 +57,6 @@ static int dump_raw_samples(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, - struct perf_evsel *evsel __maybe_unused, struct machine *machine) { struct perf_mem *mem = container_of(tool, struct perf_mem, tool); @@ -112,10 +106,10 @@ dump_raw_samples(struct perf_tool *tool, static int process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, - struct perf_evsel *evsel, + struct perf_evsel *evsel __maybe_unused, struct machine *machine) { - return dump_raw_samples(tool, event, sample, evsel, machine); + return dump_raw_samples(tool, event, sample, machine); } static int report_raw_events(struct perf_mem *mem) @@ -221,9 +215,15 @@ int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) " between columns '.' is reserved."), OPT_END() }; + const char *const mem_subcommands[] = { "record", "report", NULL }; + const char *mem_usage[] = { + NULL, + NULL + }; + - argc = parse_options(argc, argv, mem_options, mem_usage, - PARSE_OPT_STOP_AT_NON_OPTION); + argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, + mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation)) usage_with_options(mem_usage, mem_options); diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 6ea9e85bdc0..c63fa292507 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -37,7 +37,7 @@ #include "util/strfilter.h" #include "util/symbol.h" #include "util/debug.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include "util/parse-options.h" #include "util/probe-finder.h" #include "util/probe-event.h" @@ -59,7 +59,7 @@ static struct { struct perf_probe_event events[MAX_PROBES]; struct strlist *dellist; struct line_range line_range; - const char *target; + char *target; int max_probe_points; struct strfilter *filter; } params; @@ -98,7 +98,10 @@ static int set_target(const char *ptr) * short module name. */ if (!params.target && ptr && *ptr == '/') { - params.target = ptr; + params.target = strdup(ptr); + if (!params.target) + return -ENOMEM; + found = 1; buf = ptr + (strlen(ptr) - 3); @@ -116,6 +119,9 @@ static int parse_probe_event_argv(int argc, const char **argv) char *buf; found_target = set_target(argv[0]); + if (found_target < 0) + return found_target; + if (found_target && argc == 1) return 0; @@ -169,6 +175,7 @@ static int opt_set_target(const struct option *opt, const char *str, int unset __maybe_unused) { int ret = -ENOENT; + char *tmp; if (str && !params.target) { if (!strcmp(opt->long_name, "exec")) @@ -180,7 +187,19 @@ static int opt_set_target(const struct option *opt, const char *str, else return ret; - params.target = str; + /* Expand given path to absolute path, except for modulename */ + if (params.uprobes || strchr(str, '/')) { + tmp = realpath(str, NULL); + if (!tmp) { + pr_warning("Failed to get the absolute path of %s: %m\n", str); + return ret; + } + } else { + tmp = strdup(str); + if (!tmp) + return -ENOMEM; + } + params.target = tmp; ret = 0; } @@ -204,7 +223,6 @@ static int opt_show_lines(const struct option *opt __maybe_unused, params.show_lines = true; ret = parse_line_range_desc(str, ¶ms.line_range); - INIT_LIST_HEAD(¶ms.line_range.line_list); return ret; } @@ -250,7 +268,35 @@ static int opt_set_filter(const struct option *opt __maybe_unused, return 0; } -int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) +static int init_params(void) +{ + return line_range__init(¶ms.line_range); +} + +static void cleanup_params(void) +{ + int i; + + for (i = 0; i < params.nevents; i++) + clear_perf_probe_event(params.events + i); + if (params.dellist) + strlist__delete(params.dellist); + line_range__clear(¶ms.line_range); + free(params.target); + if (params.filter) + strfilter__delete(params.filter); + memset(¶ms, 0, sizeof(params)); +} + +static void pr_err_with_code(const char *msg, int err) +{ + pr_err("%s", msg); + pr_debug(" Reason: %s (Code: %d)", strerror(-err), err); + pr_err("\n"); +} + +static int +__cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) { const char * const probe_usage[] = { "perf probe [<options>] 'PROBEDEF' ['PROBEDEF' ...]", @@ -340,7 +386,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) } ret = parse_probe_event_argv(argc, argv); if (ret < 0) { - pr_err(" Error: Parse Error. (%d)\n", ret); + pr_err_with_code(" Error: Command Parse Error.", ret); return ret; } } @@ -380,8 +426,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) } ret = show_perf_probe_events(); if (ret < 0) - pr_err(" Error: Failed to show event list. (%d)\n", - ret); + pr_err_with_code(" Error: Failed to show event list.", ret); return ret; } if (params.show_funcs) { @@ -404,14 +449,14 @@ int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) ret = show_available_funcs(params.target, params.filter, params.uprobes); strfilter__delete(params.filter); + params.filter = NULL; if (ret < 0) - pr_err(" Error: Failed to show functions." - " (%d)\n", ret); + pr_err_with_code(" Error: Failed to show functions.", ret); return ret; } #ifdef HAVE_DWARF_SUPPORT - if (params.show_lines && !params.uprobes) { + if (params.show_lines) { if (params.mod_events) { pr_err(" Error: Don't use --line with" " --add/--del.\n"); @@ -424,7 +469,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) ret = show_line_range(¶ms.line_range, params.target); if (ret < 0) - pr_err(" Error: Failed to show lines. (%d)\n", ret); + pr_err_with_code(" Error: Failed to show lines.", ret); return ret; } if (params.show_vars) { @@ -443,17 +488,17 @@ int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) params.filter, params.show_ext_vars); strfilter__delete(params.filter); + params.filter = NULL; if (ret < 0) - pr_err(" Error: Failed to show vars. (%d)\n", ret); + pr_err_with_code(" Error: Failed to show vars.", ret); return ret; } #endif if (params.dellist) { ret = del_perf_probe_events(params.dellist); - strlist__delete(params.dellist); if (ret < 0) { - pr_err(" Error: Failed to delete events. (%d)\n", ret); + pr_err_with_code(" Error: Failed to delete events.", ret); return ret; } } @@ -464,9 +509,22 @@ int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) params.target, params.force_add); if (ret < 0) { - pr_err(" Error: Failed to add events. (%d)\n", ret); + pr_err_with_code(" Error: Failed to add events.", ret); return ret; } } return 0; } + +int cmd_probe(int argc, const char **argv, const char *prefix) +{ + int ret; + + ret = init_params(); + if (!ret) { + ret = __cmd_probe(argc, argv, prefix); + cleanup_params(); + } + + return ret; +} diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 7c8020a3278..378b85b731a 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -30,41 +30,10 @@ #include <sched.h> #include <sys/mman.h> -#ifndef HAVE_ON_EXIT_SUPPORT -#ifndef ATEXIT_MAX -#define ATEXIT_MAX 32 -#endif -static int __on_exit_count = 0; -typedef void (*on_exit_func_t) (int, void *); -static on_exit_func_t __on_exit_funcs[ATEXIT_MAX]; -static void *__on_exit_args[ATEXIT_MAX]; -static int __exitcode = 0; -static void __handle_on_exit_funcs(void); -static int on_exit(on_exit_func_t function, void *arg); -#define exit(x) (exit)(__exitcode = (x)) - -static int on_exit(on_exit_func_t function, void *arg) -{ - if (__on_exit_count == ATEXIT_MAX) - return -ENOMEM; - else if (__on_exit_count == 0) - atexit(__handle_on_exit_funcs); - __on_exit_funcs[__on_exit_count] = function; - __on_exit_args[__on_exit_count++] = arg; - return 0; -} -static void __handle_on_exit_funcs(void) -{ - int i; - for (i = 0; i < __on_exit_count; i++) - __on_exit_funcs[i] (__exitcode, __on_exit_args[i]); -} -#endif - -struct perf_record { +struct record { struct perf_tool tool; - struct perf_record_opts opts; + struct record_opts opts; u64 bytes_written; struct perf_data_file file; struct perf_evlist *evlist; @@ -76,46 +45,27 @@ struct perf_record { long samples; }; -static int do_write_output(struct perf_record *rec, void *buf, size_t size) +static int record__write(struct record *rec, void *bf, size_t size) { - struct perf_data_file *file = &rec->file; - - while (size) { - ssize_t ret = write(file->fd, buf, size); - - if (ret < 0) { - pr_err("failed to write perf data, error: %m\n"); - return -1; - } - - size -= ret; - buf += ret; - - rec->bytes_written += ret; + if (perf_data_file__write(rec->session->file, bf, size) < 0) { + pr_err("failed to write perf data, error: %m\n"); + return -1; } + rec->bytes_written += size; return 0; } -static int write_output(struct perf_record *rec, void *buf, size_t size) -{ - return do_write_output(rec, buf, size); -} - static int process_synthesized_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { - struct perf_record *rec = container_of(tool, struct perf_record, tool); - if (write_output(rec, event, event->header.size) < 0) - return -1; - - return 0; + struct record *rec = container_of(tool, struct record, tool); + return record__write(rec, event, event->header.size); } -static int perf_record__mmap_read(struct perf_record *rec, - struct perf_mmap *md) +static int record__mmap_read(struct record *rec, struct perf_mmap *md) { unsigned int head = perf_mmap__read_head(md); unsigned int old = md->prev; @@ -136,7 +86,7 @@ static int perf_record__mmap_read(struct perf_record *rec, size = md->mask + 1 - (old & md->mask); old += size; - if (write_output(rec, buf, size) < 0) { + if (record__write(rec, buf, size) < 0) { rc = -1; goto out; } @@ -146,7 +96,7 @@ static int perf_record__mmap_read(struct perf_record *rec, size = head - old; old += size; - if (write_output(rec, buf, size) < 0) { + if (record__write(rec, buf, size) < 0) { rc = -1; goto out; } @@ -166,43 +116,33 @@ static void sig_handler(int sig) { if (sig == SIGCHLD) child_finished = 1; + else + signr = sig; done = 1; - signr = sig; } -static void perf_record__sig_exit(int exit_status __maybe_unused, void *arg) +static void record__sig_exit(void) { - struct perf_record *rec = arg; - int status; - - if (rec->evlist->workload.pid > 0) { - if (!child_finished) - kill(rec->evlist->workload.pid, SIGTERM); - - wait(&status); - if (WIFSIGNALED(status)) - psignal(WTERMSIG(status), rec->progname); - } - - if (signr == -1 || signr == SIGUSR1) + if (signr == -1) return; signal(signr, SIG_DFL); + raise(signr); } -static int perf_record__open(struct perf_record *rec) +static int record__open(struct record *rec) { char msg[512]; struct perf_evsel *pos; struct perf_evlist *evlist = rec->evlist; struct perf_session *session = rec->session; - struct perf_record_opts *opts = &rec->opts; + struct record_opts *opts = &rec->opts; int rc = 0; perf_evlist__config(evlist, opts); - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { try_again: if (perf_evsel__open(pos, evlist->cpus, evlist->threads) < 0) { if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) { @@ -232,7 +172,7 @@ try_again: "Consider increasing " "/proc/sys/kernel/perf_event_mlock_kb,\n" "or try again with a smaller value of -m/--mmap_pages.\n" - "(current value: %d)\n", opts->mmap_pages); + "(current value: %u)\n", opts->mmap_pages); rc = -errno; } else { pr_err("failed to mmap with %d (%s)\n", errno, strerror(errno)); @@ -247,7 +187,7 @@ out: return rc; } -static int process_buildids(struct perf_record *rec) +static int process_buildids(struct record *rec) { struct perf_data_file *file = &rec->file; struct perf_session *session = rec->session; @@ -262,27 +202,6 @@ static int process_buildids(struct perf_record *rec) size, &build_id__mark_dso_hit_ops); } -static void perf_record__exit(int status, void *arg) -{ - struct perf_record *rec = arg; - struct perf_data_file *file = &rec->file; - - if (status != 0) - return; - - if (!file->is_pipe) { - rec->session->header.data_size += rec->bytes_written; - - if (!rec->no_buildid) - process_buildids(rec); - perf_session__write_header(rec->session, rec->evlist, - file->fd, true); - perf_session__delete(rec->session); - perf_evlist__delete(rec->evlist); - symbol__exit(); - } -} - static void perf_event__synthesize_guest_os(struct machine *machine, void *data) { int err; @@ -306,10 +225,7 @@ static void perf_event__synthesize_guest_os(struct machine *machine, void *data) * have no _text sometimes. */ err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event, - machine, "_text"); - if (err < 0) - err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event, - machine, "_stext"); + machine); if (err < 0) pr_err("Couldn't record guest kernel [%d]'s reference" " relocation symbol.\n", machine->pid); @@ -320,14 +236,14 @@ static struct perf_event_header finished_round_event = { .type = PERF_RECORD_FINISHED_ROUND, }; -static int perf_record__mmap_read_all(struct perf_record *rec) +static int record__mmap_read_all(struct record *rec) { int i; int rc = 0; for (i = 0; i < rec->evlist->nr_mmaps; i++) { if (rec->evlist->mmap[i].base) { - if (perf_record__mmap_read(rec, &rec->evlist->mmap[i]) != 0) { + if (record__mmap_read(rec, &rec->evlist->mmap[i]) != 0) { rc = -1; goto out; } @@ -335,16 +251,14 @@ static int perf_record__mmap_read_all(struct perf_record *rec) } if (perf_header__has_feat(&rec->session->header, HEADER_TRACING_DATA)) - rc = write_output(rec, &finished_round_event, - sizeof(finished_round_event)); + rc = record__write(rec, &finished_round_event, sizeof(finished_round_event)); out: return rc; } -static void perf_record__init_features(struct perf_record *rec) +static void record__init_features(struct record *rec) { - struct perf_evlist *evsel_list = rec->evlist; struct perf_session *session = rec->session; int feat; @@ -354,76 +268,87 @@ static void perf_record__init_features(struct perf_record *rec) if (rec->no_buildid) perf_header__clear_feat(&session->header, HEADER_BUILD_ID); - if (!have_tracepoints(&evsel_list->entries)) + if (!have_tracepoints(&rec->evlist->entries)) perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); if (!rec->opts.branch_stack) perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); } -static int __cmd_record(struct perf_record *rec, int argc, const char **argv) +static volatile int workload_exec_errno; + +/* + * perf_evlist__prepare_workload will send a SIGUSR1 + * if the fork fails, since we asked by setting its + * want_signal to true. + */ +static void workload_exec_failed_signal(int signo __maybe_unused, + siginfo_t *info, + void *ucontext __maybe_unused) +{ + workload_exec_errno = info->si_value.sival_int; + done = 1; + child_finished = 1; +} + +static int __cmd_record(struct record *rec, int argc, const char **argv) { int err; + int status = 0; unsigned long waking = 0; const bool forks = argc > 0; struct machine *machine; struct perf_tool *tool = &rec->tool; - struct perf_record_opts *opts = &rec->opts; - struct perf_evlist *evsel_list = rec->evlist; + struct record_opts *opts = &rec->opts; struct perf_data_file *file = &rec->file; struct perf_session *session; bool disabled = false; rec->progname = argv[0]; - on_exit(perf_record__sig_exit, rec); + atexit(record__sig_exit); signal(SIGCHLD, sig_handler); signal(SIGINT, sig_handler); - signal(SIGUSR1, sig_handler); signal(SIGTERM, sig_handler); session = perf_session__new(file, false, NULL); if (session == NULL) { - pr_err("Not enough memory for reading perf file header\n"); + pr_err("Perf session creation failed.\n"); return -1; } rec->session = session; - perf_record__init_features(rec); + record__init_features(rec); if (forks) { - err = perf_evlist__prepare_workload(evsel_list, &opts->target, + err = perf_evlist__prepare_workload(rec->evlist, &opts->target, argv, file->is_pipe, - true); + workload_exec_failed_signal); if (err < 0) { pr_err("Couldn't run the workload!\n"); + status = err; goto out_delete_session; } } - if (perf_record__open(rec) != 0) { + if (record__open(rec) != 0) { err = -1; - goto out_delete_session; + goto out_child; } - if (!evsel_list->nr_groups) + if (!rec->evlist->nr_groups) perf_header__clear_feat(&session->header, HEADER_GROUP_DESC); - /* - * perf_session__delete(session) will be called at perf_record__exit() - */ - on_exit(perf_record__exit, rec); - if (file->is_pipe) { err = perf_header__write_pipe(file->fd); if (err < 0) - goto out_delete_session; + goto out_child; } else { - err = perf_session__write_header(session, evsel_list, + err = perf_session__write_header(session, rec->evlist, file->fd, false); if (err < 0) - goto out_delete_session; + goto out_child; } if (!rec->no_buildid @@ -431,7 +356,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) pr_err("Couldn't generate buildids. " "Use --no-buildid to profile anyway.\n"); err = -1; - goto out_delete_session; + goto out_child; } machine = &session->machines.host; @@ -441,10 +366,10 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) process_synthesized_event); if (err < 0) { pr_err("Couldn't synthesize attrs.\n"); - goto out_delete_session; + goto out_child; } - if (have_tracepoints(&evsel_list->entries)) { + if (have_tracepoints(&rec->evlist->entries)) { /* * FIXME err <= 0 here actually means that * there were no tracepoints so its not really @@ -453,21 +378,18 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) * return this more properly and also * propagate errors that now are calling die() */ - err = perf_event__synthesize_tracing_data(tool, file->fd, evsel_list, + err = perf_event__synthesize_tracing_data(tool, file->fd, rec->evlist, process_synthesized_event); if (err <= 0) { pr_err("Couldn't record tracing data.\n"); - goto out_delete_session; + goto out_child; } rec->bytes_written += err; } } err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event, - machine, "_text"); - if (err < 0) - err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event, - machine, "_stext"); + machine); if (err < 0) pr_err("Couldn't record kernel reference relocation symbol\n" "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n" @@ -485,10 +407,10 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) perf_event__synthesize_guest_os, tool); } - err = __machine__synthesize_threads(machine, tool, &opts->target, evsel_list->threads, + err = __machine__synthesize_threads(machine, tool, &opts->target, rec->evlist->threads, process_synthesized_event, opts->sample_address); if (err != 0) - goto out_delete_session; + goto out_child; if (rec->realtime_prio) { struct sched_param param; @@ -497,7 +419,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { pr_err("Could not set realtime priority.\n"); err = -1; - goto out_delete_session; + goto out_child; } } @@ -506,27 +428,38 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) * (apart from group members) have enable_on_exec=1 set, * so don't spoil it by prematurely enabling them. */ - if (!target__none(&opts->target)) - perf_evlist__enable(evsel_list); + if (!target__none(&opts->target) && !opts->initial_delay) + perf_evlist__enable(rec->evlist); /* * Let the child rip */ if (forks) - perf_evlist__start_workload(evsel_list); + perf_evlist__start_workload(rec->evlist); + + if (opts->initial_delay) { + usleep(opts->initial_delay * 1000); + perf_evlist__enable(rec->evlist); + } for (;;) { int hits = rec->samples; - if (perf_record__mmap_read_all(rec) < 0) { + if (record__mmap_read_all(rec) < 0) { err = -1; - goto out_delete_session; + goto out_child; } if (hits == rec->samples) { if (done) break; - err = poll(evsel_list->pollfd, evsel_list->nr_fds, -1); + err = poll(rec->evlist->pollfd, rec->evlist->nr_fds, -1); + /* + * Propagate error, only if there's any. Ignore positive + * number of returned events and interrupt error. + */ + if (err > 0 || (err < 0 && errno == EINTR)) + err = 0; waking++; } @@ -536,30 +469,62 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) * disable events in this case. */ if (done && !disabled && !target__none(&opts->target)) { - perf_evlist__disable(evsel_list); + perf_evlist__disable(rec->evlist); disabled = true; } } - if (quiet || signr == SIGUSR1) - return 0; + if (forks && workload_exec_errno) { + char msg[512]; + const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); + pr_err("Workload failed: %s\n", emsg); + err = -1; + goto out_child; + } - fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking); + if (!quiet) { + fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking); - /* - * Approximate RIP event size: 24 bytes. - */ - fprintf(stderr, - "[ perf record: Captured and wrote %.3f MB %s (~%" PRIu64 " samples) ]\n", - (double)rec->bytes_written / 1024.0 / 1024.0, - file->path, - rec->bytes_written / 24); + /* + * Approximate RIP event size: 24 bytes. + */ + fprintf(stderr, + "[ perf record: Captured and wrote %.3f MB %s (~%" PRIu64 " samples) ]\n", + (double)rec->bytes_written / 1024.0 / 1024.0, + file->path, + rec->bytes_written / 24); + } - return 0; +out_child: + if (forks) { + int exit_status; + + if (!child_finished) + kill(rec->evlist->workload.pid, SIGTERM); + + wait(&exit_status); + + if (err < 0) + status = err; + else if (WIFEXITED(exit_status)) + status = WEXITSTATUS(exit_status); + else if (WIFSIGNALED(exit_status)) + signr = WTERMSIG(exit_status); + } else + status = err; + + if (!err && !file->is_pipe) { + rec->session->header.data_size += rec->bytes_written; + + if (!rec->no_buildid) + process_buildids(rec); + perf_session__write_header(rec->session, rec->evlist, + file->fd, true); + } out_delete_session: perf_session__delete(session); - return err; + return status; } #define BRANCH_OPT(n, m) \ @@ -583,6 +548,7 @@ static const struct branch_mode branch_modes[] = { BRANCH_OPT("abort_tx", PERF_SAMPLE_BRANCH_ABORT_TX), BRANCH_OPT("in_tx", PERF_SAMPLE_BRANCH_IN_TX), BRANCH_OPT("no_tx", PERF_SAMPLE_BRANCH_NO_TX), + BRANCH_OPT("cond", PERF_SAMPLE_BRANCH_COND), BRANCH_END }; @@ -649,7 +615,7 @@ error: return ret; } -#ifdef HAVE_LIBUNWIND_SUPPORT +#ifdef HAVE_DWARF_UNWIND_SUPPORT static int get_stack_size(char *str, unsigned long *_size) { char *endptr; @@ -675,9 +641,9 @@ static int get_stack_size(char *str, unsigned long *_size) max_size, str); return -1; } -#endif /* HAVE_LIBUNWIND_SUPPORT */ +#endif /* HAVE_DWARF_UNWIND_SUPPORT */ -int record_parse_callchain(const char *arg, struct perf_record_opts *opts) +int record_parse_callchain(const char *arg, struct record_opts *opts) { char *tok, *name, *saveptr = NULL; char *buf; @@ -704,7 +670,7 @@ int record_parse_callchain(const char *arg, struct perf_record_opts *opts) "needed for -g fp\n"); break; -#ifdef HAVE_LIBUNWIND_SUPPORT +#ifdef HAVE_DWARF_UNWIND_SUPPORT /* Dwarf style */ } else if (!strncmp(name, "dwarf", sizeof("dwarf"))) { const unsigned long default_stack_dump_size = 8192; @@ -720,7 +686,7 @@ int record_parse_callchain(const char *arg, struct perf_record_opts *opts) ret = get_stack_size(tok, &size); opts->stack_dump_size = size; } -#endif /* HAVE_LIBUNWIND_SUPPORT */ +#endif /* HAVE_DWARF_UNWIND_SUPPORT */ } else { pr_err("callchain: Unknown --call-graph option " "value: %s\n", arg); @@ -733,9 +699,11 @@ int record_parse_callchain(const char *arg, struct perf_record_opts *opts) return ret; } -static void callchain_debug(struct perf_record_opts *opts) +static void callchain_debug(struct record_opts *opts) { - pr_debug("callchain: type %d\n", opts->call_graph); + static const char *str[CALLCHAIN_MAX] = { "NONE", "FP", "DWARF" }; + + pr_debug("callchain: type %s\n", str[opts->call_graph]); if (opts->call_graph == CALLCHAIN_DWARF) pr_debug("callchain: stack dump size %d\n", @@ -746,9 +714,11 @@ int record_parse_callchain_opt(const struct option *opt, const char *arg, int unset) { - struct perf_record_opts *opts = opt->value; + struct record_opts *opts = opt->value; int ret; + opts->call_graph_enabled = !unset; + /* --no-call-graph */ if (unset) { opts->call_graph = CALLCHAIN_NONE; @@ -767,7 +737,9 @@ int record_callchain_opt(const struct option *opt, const char *arg __maybe_unused, int unset __maybe_unused) { - struct perf_record_opts *opts = opt->value; + struct record_opts *opts = opt->value; + + opts->call_graph_enabled = !unset; if (opts->call_graph == CALLCHAIN_NONE) opts->call_graph = CALLCHAIN_FP; @@ -776,6 +748,16 @@ int record_callchain_opt(const struct option *opt, return 0; } +static int perf_record_config(const char *var, const char *value, void *cb) +{ + struct record *rec = cb; + + if (!strcmp(var, "record.call-graph")) + return record_parse_callchain(value, &rec->opts); + + return perf_default_config(var, value, cb); +} + static const char * const record_usage[] = { "perf record [<options>] [<command>]", "perf record [<options>] -- <command> [<options>]", @@ -783,8 +765,8 @@ static const char * const record_usage[] = { }; /* - * XXX Ideally would be local to cmd_record() and passed to a perf_record__new - * because we need to have access to it in perf_record__exit, that is called + * XXX Ideally would be local to cmd_record() and passed to a record__new + * because we need to have access to it in record__exit, that is called * after cmd_record() exits, but since record_options need to be accessible to * builtin-script, leave it here. * @@ -792,7 +774,7 @@ static const char * const record_usage[] = { * * Just say no to tons of global variables, sigh. */ -static struct perf_record record = { +static struct record record = { .opts = { .mmap_pages = UINT_MAX, .user_freq = UINT_MAX, @@ -800,13 +782,14 @@ static struct perf_record record = { .freq = 4000, .target = { .uses_mmap = true, + .default_per_cpu = true, }, }, }; #define CALLCHAIN_HELP "setup and enables call-graph (stack chain/backtrace) recording: " -#ifdef HAVE_LIBUNWIND_SUPPORT +#ifdef HAVE_DWARF_UNWIND_SUPPORT const char record_callchain_help[] = CALLCHAIN_HELP "fp dwarf"; #else const char record_callchain_help[] = CALLCHAIN_HELP "fp"; @@ -815,7 +798,7 @@ const char record_callchain_help[] = CALLCHAIN_HELP "fp"; /* * XXX Will stay a global variable till we fix builtin-script.c to stop messing * with it and switch to use the library functions in perf_evlist that came - * from builtin-record.c, i.e. use perf_record_opts, + * from builtin-record.c, i.e. use record_opts, * perf_evlist__prepare_workload, etc instead of fork+exec'in 'perf record', * using pipes, etc. */ @@ -831,7 +814,7 @@ const struct option record_options[] = { "record events on existing thread id"), OPT_INTEGER('r', "realtime", &record.realtime_prio, "collect data with this RT SCHED_FIFO priority"), - OPT_BOOLEAN('D', "no-delay", &record.opts.no_delay, + OPT_BOOLEAN(0, "no-buffering", &record.opts.no_buffering, "collect data without buffering"), OPT_BOOLEAN('R', "raw-samples", &record.opts.raw_samples, "collect raw sample records from all opened counters"), @@ -842,8 +825,9 @@ const struct option record_options[] = { OPT_U64('c', "count", &record.opts.user_interval, "event period to sample"), OPT_STRING('o', "output", &record.file.path, "file", "output file name"), - OPT_BOOLEAN('i', "no-inherit", &record.opts.no_inherit, - "child tasks do not inherit counters"), + OPT_BOOLEAN_SET('i', "no-inherit", &record.opts.no_inherit, + &record.opts.no_inherit_set, + "child tasks do not inherit counters"), OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"), OPT_CALLBACK('m', "mmap-pages", &record.opts.mmap_pages, "pages", "number of mmap data pages", @@ -874,6 +858,8 @@ const struct option record_options[] = { OPT_CALLBACK('G', "cgroup", &record.evlist, "name", "monitor event in cgroup name only", parse_cgroups), + OPT_UINTEGER('D', "delay", &record.opts.initial_delay, + "ms to wait before starting measurement after program start"), OPT_STRING('u', "uid", &record.opts.target.uid_str, "user", "user to profile"), @@ -888,23 +874,22 @@ const struct option record_options[] = { "sample by weight (on special events only)"), OPT_BOOLEAN(0, "transaction", &record.opts.sample_transaction, "sample transaction flags (special events only)"), - OPT_BOOLEAN(0, "force-per-cpu", &record.opts.target.force_per_cpu, - "force the use of per-cpu mmaps"), + OPT_BOOLEAN(0, "per-thread", &record.opts.target.per_thread, + "use per-thread mmaps"), OPT_END() }; int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) { int err = -ENOMEM; - struct perf_evlist *evsel_list; - struct perf_record *rec = &record; + struct record *rec = &record; char errbuf[BUFSIZ]; - evsel_list = perf_evlist__new(); - if (evsel_list == NULL) + rec->evlist = perf_evlist__new(); + if (rec->evlist == NULL) return -ENOMEM; - rec->evlist = evsel_list; + perf_config(perf_record_config, rec); argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); @@ -932,12 +917,15 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) if (rec->no_buildid_cache || rec->no_buildid) disable_buildid_cache(); - if (evsel_list->nr_entries == 0 && - perf_evlist__add_default(evsel_list) < 0) { + if (rec->evlist->nr_entries == 0 && + perf_evlist__add_default(rec->evlist) < 0) { pr_err("Not enough memory for event selector list\n"); goto out_symbol_exit; } + if (rec->opts.target.tid && !rec->opts.no_inherit_set) + rec->opts.no_inherit = true; + err = target__validate(&rec->opts.target); if (err) { target__strerror(&rec->opts.target, err, errbuf, BUFSIZ); @@ -956,21 +944,17 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) } err = -ENOMEM; - if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0) + if (perf_evlist__create_maps(rec->evlist, &rec->opts.target) < 0) usage_with_options(record_usage, record_options); - if (perf_record_opts__config(&rec->opts)) { + if (record_opts__config(&rec->opts)) { err = -EINVAL; - goto out_free_fd; + goto out_symbol_exit; } err = __cmd_record(&record, argc, argv); - - perf_evlist__munmap(evsel_list); - perf_evlist__close(evsel_list); -out_free_fd: - perf_evlist__delete_maps(evsel_list); out_symbol_exit: + perf_evlist__delete(rec->evlist); symbol__exit(); return err; } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 8cf8e66ba59..21d830bafff 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -39,7 +39,7 @@ #include <dlfcn.h> #include <linux/bitmap.h> -struct perf_report { +struct report { struct perf_tool tool; struct perf_session *session; bool force, use_tui, use_gtk, use_stdio; @@ -49,306 +49,135 @@ struct perf_report { bool show_threads; bool inverted_callchain; bool mem_mode; + bool header; + bool header_only; int max_stack; struct perf_read_values show_threads_values; const char *pretty_printing_style; const char *cpu_list; const char *symbol_filter_str; float min_percent; + u64 nr_entries; DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); }; -static int perf_report_config(const char *var, const char *value, void *cb) +static int report__config(const char *var, const char *value, void *cb) { if (!strcmp(var, "report.group")) { symbol_conf.event_group = perf_config_bool(var, value); return 0; } if (!strcmp(var, "report.percent-limit")) { - struct perf_report *rep = cb; + struct report *rep = cb; rep->min_percent = strtof(value, NULL); return 0; } + if (!strcmp(var, "report.children")) { + symbol_conf.cumulate_callchain = perf_config_bool(var, value); + return 0; + } return perf_default_config(var, value, cb); } -static int perf_report__add_mem_hist_entry(struct perf_tool *tool, - struct addr_location *al, - struct perf_sample *sample, - struct perf_evsel *evsel, - struct machine *machine, - union perf_event *event) +static void report__inc_stats(struct report *rep, struct hist_entry *he) { - struct perf_report *rep = container_of(tool, struct perf_report, tool); - struct symbol *parent = NULL; - u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - int err = 0; - struct hist_entry *he; - struct mem_info *mi, *mx; - uint64_t cost; - - if ((sort__has_parent || symbol_conf.use_callchain) && - sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample, &parent, al, - rep->max_stack); - if (err) - return err; - } - - mi = machine__resolve_mem(machine, al->thread, sample, cpumode); - if (!mi) - return -ENOMEM; - - if (rep->hide_unresolved && !al->sym) - return 0; - - cost = sample->weight; - if (!cost) - cost = 1; - /* - * must pass period=weight in order to get the correct - * sorting from hists__collapse_resort() which is solely - * based on periods. We want sorting be done on nr_events * weight - * and this is indirectly achieved by passing period=weight here - * and the he_stat__add_period() function. + * The @he is either of a newly created one or an existing one + * merging current sample. We only want to count a new one so + * checking ->nr_events being 1. */ - he = __hists__add_entry(&evsel->hists, al, parent, NULL, mi, - cost, cost, 0); - if (!he) - return -ENOMEM; - - /* - * In the TUI browser, we are doing integrated annotation, - * so we don't allocate the extra space needed because the stdio - * code will not use it. - */ - if (sort__has_sym && he->ms.sym && use_browser > 0) { - struct annotation *notes = symbol__annotation(he->ms.sym); - - assert(evsel != NULL); - - if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) - goto out; - - err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); - if (err) - goto out; - } - - if (sort__has_sym && he->mem_info->daddr.sym && use_browser > 0) { - struct annotation *notes; - - mx = he->mem_info; - - notes = symbol__annotation(mx->daddr.sym); - if (notes->src == NULL && symbol__alloc_hist(mx->daddr.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(mx->daddr.sym, - mx->daddr.map, - evsel->idx, - mx->daddr.al_addr); - if (err) - goto out; - } - - evsel->hists.stats.total_period += cost; - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); - err = 0; - - if (symbol_conf.use_callchain) { - err = callchain_append(he->callchain, - &callchain_cursor, - sample->period); - } -out: - return err; + if (he->stat.nr_events == 1) + rep->nr_entries++; } -static int perf_report__add_branch_hist_entry(struct perf_tool *tool, - struct addr_location *al, - struct perf_sample *sample, - struct perf_evsel *evsel, - struct machine *machine) +static int hist_iter__report_callback(struct hist_entry_iter *iter, + struct addr_location *al, bool single, + void *arg) { - struct perf_report *rep = container_of(tool, struct perf_report, tool); - struct symbol *parent = NULL; int err = 0; - unsigned i; - struct hist_entry *he; - struct branch_info *bi, *bx; - - if ((sort__has_parent || symbol_conf.use_callchain) - && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample, &parent, al, - rep->max_stack); - if (err) - return err; - } + struct report *rep = arg; + struct hist_entry *he = iter->he; + struct perf_evsel *evsel = iter->evsel; + struct mem_info *mi; + struct branch_info *bi; - bi = machine__resolve_bstack(machine, al->thread, - sample->branch_stack); - if (!bi) - return -ENOMEM; - - for (i = 0; i < sample->branch_stack->nr; i++) { - if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) - continue; + report__inc_stats(rep, he); - err = -ENOMEM; - - /* overwrite the 'al' to branch-to info */ - al->map = bi[i].to.map; - al->sym = bi[i].to.sym; - al->addr = bi[i].to.addr; - /* - * The report shows the percentage of total branches captured - * and not events sampled. Thus we use a pseudo period of 1. - */ - he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL, - 1, 1, 0); - if (he) { - struct annotation *notes; - bx = he->branch_info; - if (bx->from.sym && use_browser == 1 && sort__has_sym) { - notes = symbol__annotation(bx->from.sym); - if (!notes->src - && symbol__alloc_hist(bx->from.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(bx->from.sym, - bx->from.map, - evsel->idx, - bx->from.al_addr); - if (err) - goto out; - } - - if (bx->to.sym && use_browser == 1 && sort__has_sym) { - notes = symbol__annotation(bx->to.sym); - if (!notes->src - && symbol__alloc_hist(bx->to.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(bx->to.sym, - bx->to.map, - evsel->idx, - bx->to.al_addr); - if (err) - goto out; - } - evsel->hists.stats.total_period += 1; - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); - } else - goto out; - } - err = 0; -out: - free(bi); - return err; -} - -static int perf_evsel__add_hist_entry(struct perf_tool *tool, - struct perf_evsel *evsel, - struct addr_location *al, - struct perf_sample *sample, - struct machine *machine) -{ - struct perf_report *rep = container_of(tool, struct perf_report, tool); - struct symbol *parent = NULL; - int err = 0; - struct hist_entry *he; + if (!ui__has_annotation()) + return 0; - if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample, &parent, al, - rep->max_stack); + if (sort__mode == SORT_MODE__BRANCH) { + bi = he->branch_info; + err = addr_map_symbol__inc_samples(&bi->from, evsel->idx); if (err) - return err; - } + goto out; - he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL, - sample->period, sample->weight, - sample->transaction); - if (he == NULL) - return -ENOMEM; + err = addr_map_symbol__inc_samples(&bi->to, evsel->idx); - if (symbol_conf.use_callchain) { - err = callchain_append(he->callchain, - &callchain_cursor, - sample->period); + } else if (rep->mem_mode) { + mi = he->mem_info; + err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx); if (err) - return err; - } - /* - * Only in the TUI browser we are doing integrated annotation, - * so we don't allocated the extra space needed because the stdio - * code will not use it. - */ - if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) { - struct annotation *notes = symbol__annotation(he->ms.sym); - - assert(evsel != NULL); - - err = -ENOMEM; - if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) goto out; err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); + + } else if (symbol_conf.cumulate_callchain) { + if (single) + err = hist_entry__inc_addr_samples(he, evsel->idx, + al->addr); + } else { + err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); } - evsel->hists.stats.total_period += sample->period; - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); out: return err; } - static int process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, struct machine *machine) { - struct perf_report *rep = container_of(tool, struct perf_report, tool); + struct report *rep = container_of(tool, struct report, tool); struct addr_location al; + struct hist_entry_iter iter = { + .hide_unresolved = rep->hide_unresolved, + .add_entry_cb = hist_iter__report_callback, + }; int ret; if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { - fprintf(stderr, "problem processing %d event, skipping it.\n", - event->header.type); + pr_debug("problem processing %d event, skipping it.\n", + event->header.type); return -1; } - if (al.filtered || (rep->hide_unresolved && al.sym == NULL)) + if (rep->hide_unresolved && al.sym == NULL) return 0; if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) return 0; - if (sort__mode == SORT_MODE__BRANCH) { - ret = perf_report__add_branch_hist_entry(tool, &al, sample, - evsel, machine); - if (ret < 0) - pr_debug("problem adding lbr entry, skipping event\n"); - } else if (rep->mem_mode == 1) { - ret = perf_report__add_mem_hist_entry(tool, &al, sample, - evsel, machine, event); - if (ret < 0) - pr_debug("problem adding mem entry, skipping event\n"); - } else { - if (al.map != NULL) - al.map->dso->hit = 1; + if (sort__mode == SORT_MODE__BRANCH) + iter.ops = &hist_iter_branch; + else if (rep->mem_mode) + iter.ops = &hist_iter_mem; + else if (symbol_conf.cumulate_callchain) + iter.ops = &hist_iter_cumulative; + else + iter.ops = &hist_iter_normal; + + if (al.map != NULL) + al.map->dso->hit = 1; + + ret = hist_entry_iter__add(&iter, &al, evsel, sample, rep->max_stack, + rep); + if (ret < 0) + pr_debug("problem adding hist entry, skipping event\n"); - ret = perf_evsel__add_hist_entry(tool, evsel, &al, sample, - machine); - if (ret < 0) - pr_debug("problem incrementing symbol period, skipping event\n"); - } return ret; } @@ -358,7 +187,7 @@ static int process_read_event(struct perf_tool *tool, struct perf_evsel *evsel, struct machine *machine __maybe_unused) { - struct perf_report *rep = container_of(tool, struct perf_report, tool); + struct report *rep = container_of(tool, struct report, tool); if (rep->show_threads) { const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; @@ -377,7 +206,7 @@ static int process_read_event(struct perf_tool *tool, } /* For pipe mode, sample_type is not currently set */ -static int perf_report__setup_sample_type(struct perf_report *rep) +static int report__setup_sample_type(struct report *rep) { struct perf_session *session = rep->session; u64 sample_type = perf_evlist__combined_sample_type(session->evlist); @@ -405,6 +234,14 @@ static int perf_report__setup_sample_type(struct perf_report *rep) } } + if (symbol_conf.cumulate_callchain) { + /* Silently ignore if callchain is missing */ + if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { + symbol_conf.cumulate_callchain = false; + perf_hpp__cancel_cumulate(); + } + } + if (sort__mode == SORT_MODE__BRANCH) { if (!is_pipe && !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { @@ -422,8 +259,7 @@ static void sig_handler(int sig __maybe_unused) session_done = 1; } -static size_t hists__fprintf_nr_sample_events(struct perf_report *rep, - struct hists *hists, +static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, const char *evname, FILE *fp) { size_t ret; @@ -434,6 +270,11 @@ static size_t hists__fprintf_nr_sample_events(struct perf_report *rep, char buf[512]; size_t size = sizeof(buf); + if (symbol_conf.filter_relative) { + nr_samples = hists->stats.nr_non_filtered_samples; + nr_events = hists->stats.total_non_filtered_period; + } + if (perf_evsel__is_group_event(evsel)) { struct perf_evsel *pos; @@ -441,8 +282,13 @@ static size_t hists__fprintf_nr_sample_events(struct perf_report *rep, evname = buf; for_each_group_member(pos, evsel) { - nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; - nr_events += pos->hists.stats.total_period; + if (symbol_conf.filter_relative) { + nr_samples += pos->hists.stats.nr_non_filtered_samples; + nr_events += pos->hists.stats.total_non_filtered_period; + } else { + nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; + nr_events += pos->hists.stats.total_period; + } } } @@ -460,12 +306,12 @@ static size_t hists__fprintf_nr_sample_events(struct perf_report *rep, } static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, - struct perf_report *rep, + struct report *rep, const char *help) { struct perf_evsel *pos; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { struct hists *hists = &pos->hists; const char *evname = perf_evsel__name(pos); @@ -473,7 +319,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, !perf_evsel__is_group_leader(pos)) continue; - hists__fprintf_nr_sample_events(rep, hists, evname, stdout); + hists__fprintf_nr_sample_events(hists, rep, evname, stdout); hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout); fprintf(stdout, "\n\n"); } @@ -493,43 +339,11 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, return 0; } -static int __cmd_report(struct perf_report *rep) +static void report__warn_kptr_restrict(const struct report *rep) { - int ret = -EINVAL; - u64 nr_samples; - struct perf_session *session = rep->session; - struct perf_evsel *pos; - struct map *kernel_map; - struct kmap *kernel_kmap; - const char *help = "For a higher level overview, try: perf report --sort comm,dso"; - struct ui_progress prog; - struct perf_data_file *file = session->file; - - signal(SIGINT, sig_handler); - - if (rep->cpu_list) { - ret = perf_session__cpu_bitmap(session, rep->cpu_list, - rep->cpu_bitmap); - if (ret) - return ret; - } - - if (use_browser <= 0) - perf_session__fprintf_info(session, stdout, rep->show_full_info); - - if (rep->show_threads) - perf_read_values_init(&rep->show_threads_values); - - ret = perf_report__setup_sample_type(rep); - if (ret) - return ret; - - ret = perf_session__process_events(session, &rep->tool); - if (ret) - return ret; + struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; + struct kmap *kernel_kmap = map__kmap(kernel_map); - kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION]; - kernel_kmap = map__kmap(kernel_map); if (kernel_map == NULL || (kernel_map->dso->hit && (kernel_kmap->ref_reloc_sym == NULL || @@ -552,33 +366,67 @@ static int __cmd_report(struct perf_report *rep) "Samples in kernel modules can't be resolved as well.\n\n", desc); } +} - if (verbose > 3) - perf_session__fprintf(session, stdout); +static int report__gtk_browse_hists(struct report *rep, const char *help) +{ + int (*hist_browser)(struct perf_evlist *evlist, const char *help, + struct hist_browser_timer *timer, float min_pcnt); - if (verbose > 2) - perf_session__fprintf_dsos(session, stdout); + hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); - if (dump_trace) { - perf_session__fprintf_nr_events(session, stdout); - return 0; + if (hist_browser == NULL) { + ui__error("GTK browser not found!\n"); + return -1; } - nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) - nr_samples += pos->hists.nr_entries; + return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); +} + +static int report__browse_hists(struct report *rep) +{ + int ret; + struct perf_session *session = rep->session; + struct perf_evlist *evlist = session->evlist; + const char *help = "For a higher level overview, try: perf report --sort comm,dso"; - ui_progress__init(&prog, nr_samples, "Merging related events..."); + switch (use_browser) { + case 1: + ret = perf_evlist__tui_browse_hists(evlist, help, NULL, + rep->min_percent, + &session->header.env); + /* + * Usually "ret" is the last pressed key, and we only + * care if the key notifies us to switch data file. + */ + if (ret != K_SWITCH_INPUT_DATA) + ret = 0; + break; + case 2: + ret = report__gtk_browse_hists(rep, help); + break; + default: + ret = perf_evlist__tty_browse_hists(evlist, rep, help); + break; + } - nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) { + return ret; +} + +static void report__collapse_hists(struct report *rep) +{ + struct ui_progress prog; + struct perf_evsel *pos; + + ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); + + evlist__for_each(rep->session->evlist, pos) { struct hists *hists = &pos->hists; if (pos->idx == 0) hists->symbol_filter_str = rep->symbol_filter_str; hists__collapse_resort(hists, &prog); - nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; /* Non-group events are considered as leader */ if (symbol_conf.event_group && @@ -589,59 +437,72 @@ static int __cmd_report(struct perf_report *rep) hists__link(leader_hists, hists); } } + ui_progress__finish(); +} + +static int __cmd_report(struct report *rep) +{ + int ret; + struct perf_session *session = rep->session; + struct perf_evsel *pos; + struct perf_data_file *file = session->file; + + signal(SIGINT, sig_handler); + + if (rep->cpu_list) { + ret = perf_session__cpu_bitmap(session, rep->cpu_list, + rep->cpu_bitmap); + if (ret) + return ret; + } + + if (rep->show_threads) + perf_read_values_init(&rep->show_threads_values); + + ret = report__setup_sample_type(rep); + if (ret) + return ret; + + ret = perf_session__process_events(session, &rep->tool); + if (ret) + return ret; + + report__warn_kptr_restrict(rep); + + if (use_browser == 0) { + if (verbose > 3) + perf_session__fprintf(session, stdout); + + if (verbose > 2) + perf_session__fprintf_dsos(session, stdout); + + if (dump_trace) { + perf_session__fprintf_nr_events(session, stdout); + return 0; + } + } + + report__collapse_hists(rep); if (session_done()) return 0; - if (nr_samples == 0) { + if (rep->nr_entries == 0) { ui__error("The %s file has no samples!\n", file->path); return 0; } - list_for_each_entry(pos, &session->evlist->entries, node) + evlist__for_each(session->evlist, pos) hists__output_resort(&pos->hists); - if (use_browser > 0) { - if (use_browser == 1) { - ret = perf_evlist__tui_browse_hists(session->evlist, - help, NULL, - rep->min_percent, - &session->header.env); - /* - * Usually "ret" is the last pressed key, and we only - * care if the key notifies us to switch data file. - */ - if (ret != K_SWITCH_INPUT_DATA) - ret = 0; - - } else if (use_browser == 2) { - int (*hist_browser)(struct perf_evlist *, - const char *, - struct hist_browser_timer *, - float min_pcnt); - - hist_browser = dlsym(perf_gtk_handle, - "perf_evlist__gtk_browse_hists"); - if (hist_browser == NULL) { - ui__error("GTK browser not found!\n"); - return ret; - } - hist_browser(session->evlist, help, NULL, - rep->min_percent); - } - } else - perf_evlist__tty_browse_hists(session->evlist, rep, help); - - return ret; + return report__browse_hists(rep); } static int -parse_callchain_opt(const struct option *opt, const char *arg, int unset) +report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) { - struct perf_report *rep = (struct perf_report *)opt->value; - char *tok, *tok2; - char *endptr; + struct report *rep = (struct report *)opt->value; /* * --no-call-graph @@ -651,80 +512,7 @@ parse_callchain_opt(const struct option *opt, const char *arg, int unset) return 0; } - symbol_conf.use_callchain = true; - - if (!arg) - return 0; - - tok = strtok((char *)arg, ","); - if (!tok) - return -1; - - /* get the output mode */ - if (!strncmp(tok, "graph", strlen(arg))) - callchain_param.mode = CHAIN_GRAPH_ABS; - - else if (!strncmp(tok, "flat", strlen(arg))) - callchain_param.mode = CHAIN_FLAT; - - else if (!strncmp(tok, "fractal", strlen(arg))) - callchain_param.mode = CHAIN_GRAPH_REL; - - else if (!strncmp(tok, "none", strlen(arg))) { - callchain_param.mode = CHAIN_NONE; - symbol_conf.use_callchain = false; - - return 0; - } - - else - return -1; - - /* get the min percentage */ - tok = strtok(NULL, ","); - if (!tok) - goto setup; - - callchain_param.min_percent = strtod(tok, &endptr); - if (tok == endptr) - return -1; - - /* get the print limit */ - tok2 = strtok(NULL, ","); - if (!tok2) - goto setup; - - if (tok2[0] != 'c') { - callchain_param.print_limit = strtoul(tok2, &endptr, 0); - tok2 = strtok(NULL, ","); - if (!tok2) - goto setup; - } - - /* get the call chain order */ - if (!strncmp(tok2, "caller", strlen("caller"))) - callchain_param.order = ORDER_CALLER; - else if (!strncmp(tok2, "callee", strlen("callee"))) - callchain_param.order = ORDER_CALLEE; - else - return -1; - - /* Get the sort key */ - tok2 = strtok(NULL, ","); - if (!tok2) - goto setup; - if (!strncmp(tok2, "function", strlen("function"))) - callchain_param.key = CCKEY_FUNCTION; - else if (!strncmp(tok2, "address", strlen("address"))) - callchain_param.key = CCKEY_ADDRESS; - else - return -1; -setup: - if (callchain_register_param(&callchain_param) < 0) { - fprintf(stderr, "Can't register callchain params\n"); - return -1; - } - return 0; + return parse_callchain_report_opt(arg); } int @@ -759,7 +547,7 @@ static int parse_percent_limit(const struct option *opt, const char *str, int unset __maybe_unused) { - struct perf_report *rep = opt->value; + struct report *rep = opt->value; rep->min_percent = strtof(str, NULL); return 0; @@ -777,7 +565,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) "perf report [<options>]", NULL }; - struct perf_report report = { + struct report report = { .tool = { .sample = process_sample_event, .mmap = perf_event__process_mmap, @@ -820,11 +608,14 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), OPT_BOOLEAN(0, "stdio", &report.use_stdio, "Use the stdio interface"), + OPT_BOOLEAN(0, "header", &report.header, "Show data header."), + OPT_BOOLEAN(0, "header-only", &report.header_only, + "Show only data header."), OPT_STRING('s', "sort", &sort_order, "key[,key2...]", - "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline," - " dso_to, dso_from, symbol_to, symbol_from, mispredict," - " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, " - "snoop, locked, abort, in_tx, transaction"), + "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." + " Please refer the man page for the complete list."), + OPT_STRING('F', "fields", &field_order, "key[,keys...]", + "output field(s): overhead, period, sample plus all of sort keys"), OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, "Show sample percentage for different cpu modes"), OPT_STRING('p', "parent", &parent_pattern, "regex", @@ -833,7 +624,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) "Only display entries with parent-match"), OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). " - "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt), + "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt), + OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, + "Accumulate callchains of children and show total overhead as well"), OPT_INTEGER(0, "max-stack", &report.max_stack, "Set the maximum stack depth when parsing the callchain, " "anything beyond the specified depth will be ignored. " @@ -884,13 +677,15 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), OPT_CALLBACK(0, "percent-limit", &report, "percent", "Don't show entries under that percent", parse_percent_limit), + OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", + "how to display percentage of filtered entries", parse_filter_percentage), OPT_END() }; struct perf_data_file file = { .mode = PERF_DATA_MODE_READ, }; - perf_config(perf_report_config, &report); + perf_config(report__config, &report); argc = parse_options(argc, argv, options, report_usage, 0); @@ -924,50 +719,46 @@ repeat: has_br_stack = perf_header__has_feat(&session->header, HEADER_BRANCH_STACK); - if (branch_mode == -1 && has_br_stack) + if (branch_mode == -1 && has_br_stack) { sort__mode = SORT_MODE__BRANCH; - - /* sort__mode could be NORMAL if --no-branch-stack */ - if (sort__mode == SORT_MODE__BRANCH) { - /* - * if no sort_order is provided, then specify - * branch-mode specific order - */ - if (sort_order == default_sort_order) - sort_order = "comm,dso_from,symbol_from," - "dso_to,symbol_to"; - + symbol_conf.cumulate_callchain = false; } + if (report.mem_mode) { if (sort__mode == SORT_MODE__BRANCH) { - fprintf(stderr, "branch and mem mode incompatible\n"); + pr_err("branch and mem mode incompatible\n"); goto error; } sort__mode = SORT_MODE__MEMORY; - - /* - * if no sort_order is provided, then specify - * branch-mode specific order - */ - if (sort_order == default_sort_order) - sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked"; + symbol_conf.cumulate_callchain = false; } if (setup_sorting() < 0) { - parse_options_usage(report_usage, options, "s", 1); + if (sort_order) + parse_options_usage(report_usage, options, "s", 1); + if (field_order) + parse_options_usage(sort_order ? NULL : report_usage, + options, "F", 1); goto error; } - if (parent_pattern != default_parent_pattern) { - if (sort_dimension__add("parent") < 0) - goto error; - } + /* Force tty output for header output. */ + if (report.header || report.header_only) + use_browser = 0; if (strcmp(input_name, "-") != 0) setup_browser(true); - else { + else use_browser = 0; - perf_hpp__init(); + + if (report.header || report.header_only) { + perf_session__fprintf_info(session, stdout, + report.show_full_info); + if (report.header_only) + return 0; + } else if (use_browser == 0) { + fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", + stdout); } /* @@ -975,7 +766,7 @@ repeat: * so don't allocate extra space that won't be used in the stdio * implementation. */ - if (use_browser == 1 && sort__has_sym) { + if (ui__has_annotation()) { symbol_conf.priv_size = sizeof(struct annotation); machines__set_symbol_filter(&session->machines, symbol__annotate_init); diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 0f3c65518a2..c38d06c0477 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -66,7 +66,7 @@ struct sched_atom { struct task_desc *wakee; }; -#define TASK_STATE_TO_CHAR_STR "RSDTtZX" +#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP" enum thread_state { THREAD_SLEEPING = 0, @@ -149,7 +149,6 @@ struct perf_sched { unsigned long nr_runs; unsigned long nr_timestamps; unsigned long nr_unordered_timestamps; - unsigned long nr_state_machine_bugs; unsigned long nr_context_switch_bugs; unsigned long nr_events; unsigned long nr_lost_chunks; @@ -469,7 +468,7 @@ static void *thread_func(void *ctx) char comm2[22]; int fd; - free(parms); + zfree(&parms); sprintf(comm2, ":%s", this_task->comm); prctl(PR_SET_NAME, comm2); @@ -1007,17 +1006,12 @@ static int latency_wakeup_event(struct perf_sched *sched, struct perf_sample *sample, struct machine *machine) { - const u32 pid = perf_evsel__intval(evsel, sample, "pid"), - success = perf_evsel__intval(evsel, sample, "success"); + const u32 pid = perf_evsel__intval(evsel, sample, "pid"); struct work_atoms *atoms; struct work_atom *atom; struct thread *wakee; u64 timestamp = sample->time; - /* Note for later, it may be interesting to observe the failing cases */ - if (!success) - return 0; - wakee = machine__findnew_thread(machine, 0, pid); atoms = thread_atoms_search(&sched->atom_root, wakee, &sched->cmp_pid); if (!atoms) { @@ -1037,12 +1031,18 @@ static int latency_wakeup_event(struct perf_sched *sched, atom = list_entry(atoms->work_list.prev, struct work_atom, list); /* + * As we do not guarantee the wakeup event happens when + * task is out of run queue, also may happen when task is + * on run queue and wakeup only change ->state to TASK_RUNNING, + * then we should not set the ->wake_up_time when wake up a + * task which is on run queue. + * * You WILL be missing events if you've recorded only * one CPU, or are only looking at only one, so don't - * make useless noise. + * skip in this case. */ if (sched->profile_cpu == -1 && atom->state != THREAD_SLEEPING) - sched->nr_state_machine_bugs++; + return 0; sched->nr_timestamps++; if (atom->sched_out_time > timestamp) { @@ -1124,7 +1124,7 @@ static void output_lat_thread(struct perf_sched *sched, struct work_atoms *work_ avg = work_list->total_lat / work_list->nb_atoms; - printf("|%11.3f ms |%9" PRIu64 " | avg:%9.3f ms | max:%9.3f ms | max at: %9.6f s\n", + printf("|%11.3f ms |%9" PRIu64 " | avg:%9.3f ms | max:%9.3f ms | max at: %13.6f s\n", (double)work_list->total_runtime / 1e6, work_list->nb_atoms, (double)avg / 1e6, (double)work_list->max_lat / 1e6, @@ -1266,9 +1266,8 @@ static int process_sched_wakeup_event(struct perf_tool *tool, static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel, struct perf_sample *sample, struct machine *machine) { - const u32 prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"), - next_pid = perf_evsel__intval(evsel, sample, "next_pid"); - struct thread *sched_out __maybe_unused, *sched_in; + const u32 next_pid = perf_evsel__intval(evsel, sample, "next_pid"); + struct thread *sched_in; int new_shortname; u64 timestamp0, timestamp = sample->time; s64 delta; @@ -1291,7 +1290,6 @@ static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel, return -1; } - sched_out = machine__findnew_thread(machine, 0, prev_pid); sched_in = machine__findnew_thread(machine, 0, next_pid); sched->curr_thread[this_cpu] = sched_in; @@ -1300,17 +1298,25 @@ static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel, new_shortname = 0; if (!sched_in->shortname[0]) { - sched_in->shortname[0] = sched->next_shortname1; - sched_in->shortname[1] = sched->next_shortname2; - - if (sched->next_shortname1 < 'Z') { - sched->next_shortname1++; + if (!strcmp(thread__comm_str(sched_in), "swapper")) { + /* + * Don't allocate a letter-number for swapper:0 + * as a shortname. Instead, we use '.' for it. + */ + sched_in->shortname[0] = '.'; + sched_in->shortname[1] = ' '; } else { - sched->next_shortname1='A'; - if (sched->next_shortname2 < '9') { - sched->next_shortname2++; + sched_in->shortname[0] = sched->next_shortname1; + sched_in->shortname[1] = sched->next_shortname2; + + if (sched->next_shortname1 < 'Z') { + sched->next_shortname1++; } else { - sched->next_shortname2='0'; + sched->next_shortname1 = 'A'; + if (sched->next_shortname2 < '9') + sched->next_shortname2++; + else + sched->next_shortname2 = '0'; } } new_shortname = 1; @@ -1322,12 +1328,9 @@ static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel, else printf("*"); - if (sched->curr_thread[cpu]) { - if (sched->curr_thread[cpu]->tid) - printf("%2s ", sched->curr_thread[cpu]->shortname); - else - printf(". "); - } else + if (sched->curr_thread[cpu]) + printf("%2s ", sched->curr_thread[cpu]->shortname); + else printf(" "); } @@ -1425,7 +1428,7 @@ static int perf_sched__process_tracepoint_sample(struct perf_tool *tool __maybe_ int err = 0; evsel->hists.stats.total_period += sample->period; - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); + hists__inc_nr_samples(&evsel->hists, true); if (evsel->handler != NULL) { tracepoint_handler f = evsel->handler; @@ -1496,14 +1499,6 @@ static void print_bad_events(struct perf_sched *sched) (double)sched->nr_lost_events/(double)sched->nr_events * 100.0, sched->nr_lost_events, sched->nr_events, sched->nr_lost_chunks); } - if (sched->nr_state_machine_bugs && sched->nr_timestamps) { - printf(" INFO: %.3f%% state machine bugs (%ld out of %ld)", - (double)sched->nr_state_machine_bugs/(double)sched->nr_timestamps*100.0, - sched->nr_state_machine_bugs, sched->nr_timestamps); - if (sched->nr_lost_events) - printf(" (due to lost events?)"); - printf("\n"); - } if (sched->nr_context_switch_bugs && sched->nr_timestamps) { printf(" INFO: %.3f%% context switch bugs (%ld out of %ld)", (double)sched->nr_context_switch_bugs/(double)sched->nr_timestamps*100.0, @@ -1527,9 +1522,9 @@ static int perf_sched__lat(struct perf_sched *sched) perf_sched__sort_lat(sched); - printf("\n ---------------------------------------------------------------------------------------------------------------\n"); - printf(" Task | Runtime ms | Switches | Average delay ms | Maximum delay ms | Maximum delay at |\n"); - printf(" ---------------------------------------------------------------------------------------------------------------\n"); + printf("\n -----------------------------------------------------------------------------------------------------------------\n"); + printf(" Task | Runtime ms | Switches | Average delay ms | Maximum delay ms | Maximum delay at |\n"); + printf(" -----------------------------------------------------------------------------------------------------------------\n"); next = rb_first(&sched->sorted_atom_root); @@ -1541,7 +1536,7 @@ static int perf_sched__lat(struct perf_sched *sched) next = rb_next(next); } - printf(" -----------------------------------------------------------------------------------------\n"); + printf(" -----------------------------------------------------------------------------------------------------------------\n"); printf(" TOTAL: |%11.3f ms |%9" PRIu64 " |\n", (double)sched->all_runtime / 1e6, sched->all_count); @@ -1635,6 +1630,7 @@ static int __cmd_record(int argc, const char **argv) "-e", "sched:sched_stat_runtime", "-e", "sched:sched_process_fork", "-e", "sched:sched_wakeup", + "-e", "sched:sched_wakeup_new", "-e", "sched:sched_migrate_task", }; @@ -1713,8 +1709,10 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused) "perf sched replay [<options>]", NULL }; - const char * const sched_usage[] = { - "perf sched [<options>] {record|latency|map|replay|script}", + const char *const sched_subcommands[] = { "record", "latency", "map", + "replay", "script", NULL }; + const char *sched_usage[] = { + NULL, NULL }; struct trace_sched_handler lat_ops = { @@ -1736,8 +1734,8 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused) for (i = 0; i < ARRAY_SIZE(sched.curr_pid); i++) sched.curr_pid[i] = -1; - argc = parse_options(argc, argv, sched_options, sched_usage, - PARSE_OPT_STOP_AT_NON_OPTION); + argc = parse_options_subcommand(argc, argv, sched_options, sched_subcommands, + sched_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (!argc) usage_with_options(sched_usage, sched_options); diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index baf17989a21..9e9c91f5b7f 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -43,6 +43,7 @@ enum perf_output_field { PERF_OUTPUT_DSO = 1U << 9, PERF_OUTPUT_ADDR = 1U << 10, PERF_OUTPUT_SYMOFFSET = 1U << 11, + PERF_OUTPUT_SRCLINE = 1U << 12, }; struct output_option { @@ -61,6 +62,7 @@ struct output_option { {.str = "dso", .field = PERF_OUTPUT_DSO}, {.str = "addr", .field = PERF_OUTPUT_ADDR}, {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, + {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, }; /* default set to maintain compatibility with current format */ @@ -210,6 +212,11 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, "to DSO.\n"); return -EINVAL; } + if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { + pr_err("Display of source line number requested but sample IP is not\n" + "selected. Hence, no address to lookup the source line number.\n"); + return -EINVAL; + } if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", @@ -245,6 +252,9 @@ static void set_print_ip_opts(struct perf_event_attr *attr) if (PRINT_FIELD(SYMOFFSET)) output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET; + + if (PRINT_FIELD(SRCLINE)) + output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE; } /* @@ -280,6 +290,30 @@ static int perf_session__check_output_opt(struct perf_session *session) set_print_ip_opts(&evsel->attr); } + /* + * set default for tracepoints to print symbols only + * if callchains are present + */ + if (symbol_conf.use_callchain && + !output[PERF_TYPE_TRACEPOINT].user_set) { + struct perf_event_attr *attr; + + j = PERF_TYPE_TRACEPOINT; + evsel = perf_session__find_first_evtype(session, j); + if (evsel == NULL) + goto out; + + attr = &evsel->attr; + + if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { + output[j].fields |= PERF_OUTPUT_IP; + output[j].fields |= PERF_OUTPUT_SYM; + output[j].fields |= PERF_OUTPUT_DSO; + set_print_ip_opts(attr); + } + } + +out: return 0; } @@ -288,7 +322,6 @@ static void print_sample_start(struct perf_sample *sample, struct perf_evsel *evsel) { struct perf_event_attr *attr = &evsel->attr; - const char *evname = NULL; unsigned long secs; unsigned long usecs; unsigned long long nsecs; @@ -323,11 +356,6 @@ static void print_sample_start(struct perf_sample *sample, usecs = nsecs / NSECS_PER_USEC; printf("%5lu.%06lu: ", secs, usecs); } - - if (PRINT_FIELD(EVNAME)) { - evname = perf_evsel__name(evsel); - printf("%s: ", evname ? evname : "[unknown]"); - } } static bool is_bts_event(struct perf_event_attr *attr) @@ -395,8 +423,8 @@ static void print_sample_addr(union perf_event *event, static void print_sample_bts(union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine, - struct thread *thread) + struct thread *thread, + struct addr_location *al) { struct perf_event_attr *attr = &evsel->attr; @@ -406,7 +434,7 @@ static void print_sample_bts(union perf_event *event, printf(" "); else printf("\n"); - perf_evsel__print_ip(evsel, event, sample, machine, + perf_evsel__print_ip(evsel, sample, al, output[attr->type].print_ip_opts, PERF_MAX_STACK_DEPTH); } @@ -417,15 +445,14 @@ static void print_sample_bts(union perf_event *event, if (PRINT_FIELD(ADDR) || ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && !output[attr->type].user_set)) - print_sample_addr(event, sample, machine, thread, attr); + print_sample_addr(event, sample, al->machine, thread, attr); printf("\n"); } static void process_event(union perf_event *event, struct perf_sample *sample, - struct perf_evsel *evsel, struct machine *machine, - struct thread *thread, - struct addr_location *al __maybe_unused) + struct perf_evsel *evsel, struct thread *thread, + struct addr_location *al) { struct perf_event_attr *attr = &evsel->attr; @@ -434,8 +461,13 @@ static void process_event(union perf_event *event, struct perf_sample *sample, print_sample_start(sample, thread, evsel); + if (PRINT_FIELD(EVNAME)) { + const char *evname = perf_evsel__name(evsel); + printf("%s: ", evname ? evname : "[unknown]"); + } + if (is_bts_event(attr)) { - print_sample_bts(event, sample, evsel, machine, thread); + print_sample_bts(event, sample, evsel, thread, al); return; } @@ -443,7 +475,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample, event_format__print(evsel->tp_format, sample->cpu, sample->raw_data, sample->raw_size); if (PRINT_FIELD(ADDR)) - print_sample_addr(event, sample, machine, thread, attr); + print_sample_addr(event, sample, al->machine, thread, attr); if (PRINT_FIELD(IP)) { if (!symbol_conf.use_callchain) @@ -451,7 +483,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample, else printf("\n"); - perf_evsel__print_ip(evsel, event, sample, machine, + perf_evsel__print_ip(evsel, sample, al, output[attr->type].print_ip_opts, PERF_MAX_STACK_DEPTH); } @@ -540,7 +572,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused, if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) return 0; - scripting_ops->process_event(event, sample, evsel, machine, thread, &al); + scripting_ops->process_event(event, sample, evsel, thread, &al); evsel->hists.stats.total_period += sample->period; return 0; @@ -549,6 +581,8 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused, struct perf_script { struct perf_tool tool; struct perf_session *session; + bool show_task_events; + bool show_mmap_events; }; static int process_attr(struct perf_tool *tool, union perf_event *event, @@ -569,7 +603,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event, if (evsel->attr.type >= PERF_TYPE_MAX) return 0; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (pos->attr.type == evsel->attr.type && pos != evsel) return 0; } @@ -579,6 +613,163 @@ static int process_attr(struct perf_tool *tool, union perf_event *event, return perf_evsel__check_attr(evsel, scr->session); } +static int process_comm_event(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + struct thread *thread; + struct perf_script *script = container_of(tool, struct perf_script, tool); + struct perf_session *session = script->session; + struct perf_evsel *evsel = perf_evlist__first(session->evlist); + int ret = -1; + + thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); + if (thread == NULL) { + pr_debug("problem processing COMM event, skipping it.\n"); + return -1; + } + + if (perf_event__process_comm(tool, event, sample, machine) < 0) + goto out; + + if (!evsel->attr.sample_id_all) { + sample->cpu = 0; + sample->time = 0; + sample->tid = event->comm.tid; + sample->pid = event->comm.pid; + } + print_sample_start(sample, thread, evsel); + perf_event__fprintf(event, stdout); + ret = 0; + +out: + return ret; +} + +static int process_fork_event(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + struct thread *thread; + struct perf_script *script = container_of(tool, struct perf_script, tool); + struct perf_session *session = script->session; + struct perf_evsel *evsel = perf_evlist__first(session->evlist); + + if (perf_event__process_fork(tool, event, sample, machine) < 0) + return -1; + + thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); + if (thread == NULL) { + pr_debug("problem processing FORK event, skipping it.\n"); + return -1; + } + + if (!evsel->attr.sample_id_all) { + sample->cpu = 0; + sample->time = event->fork.time; + sample->tid = event->fork.tid; + sample->pid = event->fork.pid; + } + print_sample_start(sample, thread, evsel); + perf_event__fprintf(event, stdout); + + return 0; +} +static int process_exit_event(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + struct thread *thread; + struct perf_script *script = container_of(tool, struct perf_script, tool); + struct perf_session *session = script->session; + struct perf_evsel *evsel = perf_evlist__first(session->evlist); + + thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); + if (thread == NULL) { + pr_debug("problem processing EXIT event, skipping it.\n"); + return -1; + } + + if (!evsel->attr.sample_id_all) { + sample->cpu = 0; + sample->time = 0; + sample->tid = event->comm.tid; + sample->pid = event->comm.pid; + } + print_sample_start(sample, thread, evsel); + perf_event__fprintf(event, stdout); + + if (perf_event__process_exit(tool, event, sample, machine) < 0) + return -1; + + return 0; +} + +static int process_mmap_event(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + struct thread *thread; + struct perf_script *script = container_of(tool, struct perf_script, tool); + struct perf_session *session = script->session; + struct perf_evsel *evsel = perf_evlist__first(session->evlist); + + if (perf_event__process_mmap(tool, event, sample, machine) < 0) + return -1; + + thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); + if (thread == NULL) { + pr_debug("problem processing MMAP event, skipping it.\n"); + return -1; + } + + if (!evsel->attr.sample_id_all) { + sample->cpu = 0; + sample->time = 0; + sample->tid = event->mmap.tid; + sample->pid = event->mmap.pid; + } + print_sample_start(sample, thread, evsel); + perf_event__fprintf(event, stdout); + + return 0; +} + +static int process_mmap2_event(struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + struct thread *thread; + struct perf_script *script = container_of(tool, struct perf_script, tool); + struct perf_session *session = script->session; + struct perf_evsel *evsel = perf_evlist__first(session->evlist); + + if (perf_event__process_mmap2(tool, event, sample, machine) < 0) + return -1; + + thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); + if (thread == NULL) { + pr_debug("problem processing MMAP2 event, skipping it.\n"); + return -1; + } + + if (!evsel->attr.sample_id_all) { + sample->cpu = 0; + sample->time = 0; + sample->tid = event->mmap2.tid; + sample->pid = event->mmap2.pid; + } + print_sample_start(sample, thread, evsel); + perf_event__fprintf(event, stdout); + + return 0; +} + static void sig_handler(int sig __maybe_unused) { session_done = 1; @@ -590,6 +781,17 @@ static int __cmd_script(struct perf_script *script) signal(SIGINT, sig_handler); + /* override event processing functions */ + if (script->show_task_events) { + script->tool.comm = process_comm_event; + script->tool.fork = process_fork_event; + script->tool.exit = process_exit_event; + } + if (script->show_mmap_events) { + script->tool.mmap = process_mmap_event; + script->tool.mmap2 = process_mmap2_event; + } + ret = perf_session__process_events(script->session, &script->tool); if (debug_mode) @@ -900,9 +1102,9 @@ static struct script_desc *script_desc__new(const char *name) static void script_desc__delete(struct script_desc *s) { - free(s->name); - free(s->half_liner); - free(s->args); + zfree(&s->name); + zfree(&s->half_liner); + zfree(&s->args); free(s); } @@ -1107,8 +1309,7 @@ static int check_ev_match(char *dir_name, char *scriptname, snprintf(evname, len + 1, "%s", p); match = 0; - list_for_each_entry(pos, - &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { if (!strcmp(perf_evsel__name(pos), evname)) { match = 1; break; @@ -1290,6 +1491,8 @@ static int have_cmd(int argc, const char **argv) int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) { bool show_full_info = false; + bool header = false; + bool header_only = false; char *rec_script_path = NULL; char *rep_script_path = NULL; struct perf_session *session; @@ -1328,6 +1531,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_BOOLEAN('d', "debug-mode", &debug_mode, "do various checks like samples ordering and lost events"), + OPT_BOOLEAN(0, "header", &header, "Show data header."), + OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, @@ -1352,6 +1557,10 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) "display extended information from perf.data file"), OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, "Show the path of [kernel.kallsyms]"), + OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, + "Show the fork/comm/exit events"), + OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, + "Show the mmap events"), OPT_END() }; const char * const script_usage[] = { @@ -1540,6 +1749,12 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) if (session == NULL) return -ENOMEM; + if (header || header_only) { + perf_session__fprintf_info(session, stdout, show_full_info); + if (header_only) + return 0; + } + script.session = session; if (cpu_list) { @@ -1547,9 +1762,6 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) return -1; } - if (!script_name && !generate_script_lang) - perf_session__fprintf_info(session, stdout, show_full_info); - if (!no_callchain) symbol_conf.use_callchain = true; else @@ -1588,7 +1800,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) return -1; } - err = scripting_ops->generate_script(session->pevent, + err = scripting_ops->generate_script(session->tevent.pevent, "perf-script"); goto out; } diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index ee0d565f83e..65a151e3606 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -138,6 +138,7 @@ static const char *post_cmd = NULL; static bool sync_run = false; static unsigned int interval = 0; static unsigned int initial_delay = 0; +static unsigned int unit_width = 4; /* strlen("unit") */ static bool forever = false; static struct timespec ref_time; static struct cpu_map *aggr_map; @@ -173,19 +174,25 @@ static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel) static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel) { - memset(evsel->priv, 0, sizeof(struct perf_stat)); + int i; + struct perf_stat *ps = evsel->priv; + + for (i = 0; i < 3; i++) + init_stats(&ps->res_stats[i]); } static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel) { evsel->priv = zalloc(sizeof(struct perf_stat)); - return evsel->priv == NULL ? -ENOMEM : 0; + if (evsel == NULL) + return -ENOMEM; + perf_evsel__reset_stat_priv(evsel); + return 0; } static void perf_evsel__free_stat_priv(struct perf_evsel *evsel) { - free(evsel->priv); - evsel->priv = NULL; + zfree(&evsel->priv); } static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) @@ -207,15 +214,14 @@ static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) { - free(evsel->prev_raw_counts); - evsel->prev_raw_counts = NULL; + zfree(&evsel->prev_raw_counts); } static void perf_evlist__free_stats(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { perf_evsel__free_stat_priv(evsel); perf_evsel__free_counts(evsel); perf_evsel__free_prev_raw_counts(evsel); @@ -226,7 +232,7 @@ static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (perf_evsel__alloc_stat_priv(evsel) < 0 || perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 || (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0)) @@ -260,7 +266,7 @@ static void perf_stat__reset_stats(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { perf_evsel__reset_stat_priv(evsel); perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); } @@ -327,13 +333,13 @@ static struct perf_evsel *nth_evsel(int n) /* Assumes this only called when evsel_list does not change anymore. */ if (!array) { - list_for_each_entry(ev, &evsel_list->entries, node) + evlist__for_each(evsel_list, ev) array_len++; array = malloc(array_len * sizeof(void *)); if (!array) exit(ENOMEM); j = 0; - list_for_each_entry(ev, &evsel_list->entries, node) + evlist__for_each(evsel_list, ev) array[j++] = ev; } if (n < array_len) @@ -441,13 +447,13 @@ static void print_interval(void) char prefix[64]; if (aggr_mode == AGGR_GLOBAL) { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { ps = counter->priv; memset(ps->res_stats, 0, sizeof(ps->res_stats)); read_counter_aggr(counter); } } else { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { ps = counter->priv; memset(ps->res_stats, 0, sizeof(ps->res_stats)); read_counter(counter); @@ -461,17 +467,17 @@ static void print_interval(void) if (num_print_interval == 0 && !csv_output) { switch (aggr_mode) { case AGGR_SOCKET: - fprintf(output, "# time socket cpus counts events\n"); + fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); break; case AGGR_CORE: - fprintf(output, "# time core cpus counts events\n"); + fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); break; case AGGR_NONE: - fprintf(output, "# time CPU counts events\n"); + fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); break; case AGGR_GLOBAL: default: - fprintf(output, "# time counts events\n"); + fprintf(output, "# time counts %*s events\n", unit_width, "unit"); } } @@ -484,12 +490,12 @@ static void print_interval(void) print_aggr(prefix); break; case AGGR_NONE: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter(counter, prefix); break; case AGGR_GLOBAL: default: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter_aggr(counter, prefix); } @@ -505,17 +511,31 @@ static void handle_initial_delay(void) nthreads = thread_map__nr(evsel_list->threads); usleep(initial_delay * 1000); - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) perf_evsel__enable(counter, ncpus, nthreads); } } +static volatile int workload_exec_errno; + +/* + * perf_evlist__prepare_workload will send a SIGUSR1 + * if the fork fails, since we asked by setting its + * want_signal to true. + */ +static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, + void *ucontext __maybe_unused) +{ + workload_exec_errno = info->si_value.sival_int; +} + static int __run_perf_stat(int argc, const char **argv) { char msg[512]; unsigned long long t0, t1; struct perf_evsel *counter; struct timespec ts; + size_t l; int status = 0; const bool forks = (argc > 0); @@ -528,8 +548,8 @@ static int __run_perf_stat(int argc, const char **argv) } if (forks) { - if (perf_evlist__prepare_workload(evsel_list, &target, argv, - false, false) < 0) { + if (perf_evlist__prepare_workload(evsel_list, &target, argv, false, + workload_exec_failed_signal) < 0) { perror("failed to prepare workload"); return -1; } @@ -539,7 +559,7 @@ static int __run_perf_stat(int argc, const char **argv) if (group) perf_evlist__set_leader(evsel_list); - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { if (create_perf_stat_counter(counter) < 0) { /* * PPC returns ENXIO for HW counters until 2.6.37 @@ -565,6 +585,10 @@ static int __run_perf_stat(int argc, const char **argv) return -1; } counter->supported = true; + + l = strlen(counter->unit); + if (l > unit_width) + unit_width = l; } if (perf_evlist__apply_filters(evsel_list)) { @@ -590,6 +614,13 @@ static int __run_perf_stat(int argc, const char **argv) } } wait(&status); + + if (workload_exec_errno) { + const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); + pr_err("Workload failed: %s\n", emsg); + return -1; + } + if (WIFSIGNALED(status)) psignal(WTERMSIG(status), argv[0]); } else { @@ -606,13 +637,13 @@ static int __run_perf_stat(int argc, const char **argv) update_stats(&walltime_nsecs_stats, t1 - t0); if (aggr_mode == AGGR_GLOBAL) { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { read_counter_aggr(counter); perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), thread_map__nr(evsel_list->threads)); } } else { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { read_counter(counter); perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); } @@ -621,7 +652,7 @@ static int __run_perf_stat(int argc, const char **argv) return WEXITSTATUS(status); } -static int run_perf_stat(int argc __maybe_unused, const char **argv) +static int run_perf_stat(int argc, const char **argv) { int ret; @@ -704,14 +735,25 @@ static void aggr_printout(struct perf_evsel *evsel, int id, int nr) static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) { double msecs = avg / 1e6; - const char *fmt = csv_output ? "%.6f%s%s" : "%18.6f%s%-25s"; + const char *fmt_v, *fmt_n; char name[25]; + fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; + fmt_n = csv_output ? "%s" : "%-25s"; + aggr_printout(evsel, cpu, nr); scnprintf(name, sizeof(name), "%s%s", perf_evsel__name(evsel), csv_output ? "" : " (msec)"); - fprintf(output, fmt, msecs, csv_sep, name); + + fprintf(output, fmt_v, msecs, csv_sep); + + if (csv_output) + fprintf(output, "%s%s", evsel->unit, csv_sep); + else + fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); + + fprintf(output, fmt_n, name); if (evsel->cgrp) fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); @@ -908,21 +950,31 @@ static void print_ll_cache_misses(int cpu, static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) { double total, ratio = 0.0, total2; + double sc = evsel->scale; const char *fmt; - if (csv_output) - fmt = "%.0f%s%s"; - else if (big_num) - fmt = "%'18.0f%s%-25s"; - else - fmt = "%18.0f%s%-25s"; + if (csv_output) { + fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; + } else { + if (big_num) + fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; + else + fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; + } aggr_printout(evsel, cpu, nr); if (aggr_mode == AGGR_GLOBAL) cpu = 0; - fprintf(output, fmt, avg, csv_sep, perf_evsel__name(evsel)); + fprintf(output, fmt, avg, csv_sep); + + if (evsel->unit) + fprintf(output, "%-*s%s", + csv_output ? 0 : unit_width, + evsel->unit, csv_sep); + + fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); if (evsel->cgrp) fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); @@ -941,7 +993,10 @@ static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) if (total && avg) { ratio = total / avg; - fprintf(output, "\n # %5.2f stalled cycles per insn", ratio); + fprintf(output, "\n"); + if (aggr_mode == AGGR_NONE) + fprintf(output, " "); + fprintf(output, " # %5.2f stalled cycles per insn", ratio); } } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && @@ -1061,6 +1116,7 @@ static void print_aggr(char *prefix) { struct perf_evsel *counter; int cpu, cpu2, s, s2, id, nr; + double uval; u64 ena, run, val; if (!(aggr_map || aggr_get_id)) @@ -1068,7 +1124,7 @@ static void print_aggr(char *prefix) for (s = 0; s < aggr_map->nr; s++) { id = aggr_map->map[s]; - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { val = ena = run = 0; nr = 0; for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { @@ -1087,11 +1143,17 @@ static void print_aggr(char *prefix) if (run == 0 || ena == 0) { aggr_printout(counter, id, nr); - fprintf(output, "%*s%s%*s", + fprintf(output, "%*s%s", csv_output ? 0 : 18, counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, - csv_sep, - csv_output ? 0 : -24, + csv_sep); + + fprintf(output, "%-*s%s", + csv_output ? 0 : unit_width, + counter->unit, csv_sep); + + fprintf(output, "%*s", + csv_output ? 0 : -25, perf_evsel__name(counter)); if (counter->cgrp) @@ -1101,11 +1163,12 @@ static void print_aggr(char *prefix) fputc('\n', output); continue; } + uval = val * counter->scale; if (nsec_counter(counter)) - nsec_printout(id, nr, counter, val); + nsec_printout(id, nr, counter, uval); else - abs_printout(id, nr, counter, val); + abs_printout(id, nr, counter, uval); if (!csv_output) { print_noise(counter, 1.0); @@ -1128,16 +1191,21 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix) struct perf_stat *ps = counter->priv; double avg = avg_stats(&ps->res_stats[0]); int scaled = counter->counts->scaled; + double uval; if (prefix) fprintf(output, "%s", prefix); if (scaled == -1) { - fprintf(output, "%*s%s%*s", + fprintf(output, "%*s%s", csv_output ? 0 : 18, counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, - csv_sep, - csv_output ? 0 : -24, + csv_sep); + fprintf(output, "%-*s%s", + csv_output ? 0 : unit_width, + counter->unit, csv_sep); + fprintf(output, "%*s", + csv_output ? 0 : -25, perf_evsel__name(counter)); if (counter->cgrp) @@ -1147,10 +1215,12 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix) return; } + uval = avg * counter->scale; + if (nsec_counter(counter)) - nsec_printout(-1, 0, counter, avg); + nsec_printout(-1, 0, counter, uval); else - abs_printout(-1, 0, counter, avg); + abs_printout(-1, 0, counter, uval); print_noise(counter, avg); @@ -1177,6 +1247,7 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix) static void print_counter(struct perf_evsel *counter, char *prefix) { u64 ena, run, val; + double uval; int cpu; for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { @@ -1188,14 +1259,20 @@ static void print_counter(struct perf_evsel *counter, char *prefix) fprintf(output, "%s", prefix); if (run == 0 || ena == 0) { - fprintf(output, "CPU%*d%s%*s%s%*s", + fprintf(output, "CPU%*d%s%*s%s", csv_output ? 0 : -4, perf_evsel__cpus(counter)->map[cpu], csv_sep, csv_output ? 0 : 18, counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, - csv_sep, - csv_output ? 0 : -24, - perf_evsel__name(counter)); + csv_sep); + + fprintf(output, "%-*s%s", + csv_output ? 0 : unit_width, + counter->unit, csv_sep); + + fprintf(output, "%*s", + csv_output ? 0 : -25, + perf_evsel__name(counter)); if (counter->cgrp) fprintf(output, "%s%s", @@ -1205,10 +1282,12 @@ static void print_counter(struct perf_evsel *counter, char *prefix) continue; } + uval = val * counter->scale; + if (nsec_counter(counter)) - nsec_printout(cpu, 0, counter, val); + nsec_printout(cpu, 0, counter, uval); else - abs_printout(cpu, 0, counter, val); + abs_printout(cpu, 0, counter, uval); if (!csv_output) { print_noise(counter, 1.0); @@ -1256,11 +1335,11 @@ static void print_stat(int argc, const char **argv) print_aggr(NULL); break; case AGGR_GLOBAL: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter_aggr(counter, NULL); break; case AGGR_NONE: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter(counter, NULL); break; default: @@ -1710,14 +1789,14 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) if (interval && interval < 100) { pr_err("print interval must be >= 100ms\n"); parse_options_usage(stat_usage, options, "I", 1); - goto out_free_maps; + goto out; } if (perf_evlist__alloc_stats(evsel_list, interval)) - goto out_free_maps; + goto out; if (perf_stat_init_aggr_mode()) - goto out_free_maps; + goto out; /* * We dont want to block the signals - that would cause @@ -1749,8 +1828,6 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) print_stat(argc, argv); perf_evlist__free_stats(evsel_list); -out_free_maps: - perf_evlist__delete_maps(evsel_list); out: perf_evlist__delete(evsel_list); return status; diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 41c9bde2fb6..74db2568b86 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -41,25 +41,29 @@ #define SUPPORT_OLD_POWER_EVENTS 1 #define PWR_EVENT_EXIT -1 - -static unsigned int numcpus; -static u64 min_freq; /* Lowest CPU frequency seen */ -static u64 max_freq; /* Highest CPU frequency seen */ -static u64 turbo_frequency; - -static u64 first_time, last_time; - -static bool power_only; - - struct per_pid; -struct per_pidcomm; - -struct cpu_sample; struct power_event; struct wake_event; -struct sample_wrapper; +struct timechart { + struct perf_tool tool; + struct per_pid *all_data; + struct power_event *power_events; + struct wake_event *wake_events; + int proc_num; + unsigned int numcpus; + u64 min_freq, /* Lowest CPU frequency seen */ + max_freq, /* Highest CPU frequency seen */ + turbo_frequency, + first_time, last_time; + bool power_only, + tasks_only, + with_backtrace, + topology; +}; + +struct per_pidcomm; +struct cpu_sample; /* * Datastructure layout: @@ -124,10 +128,9 @@ struct cpu_sample { u64 end_time; int type; int cpu; + const char *backtrace; }; -static struct per_pid *all_data; - #define CSTATE 1 #define PSTATE 2 @@ -145,12 +148,9 @@ struct wake_event { int waker; int wakee; u64 time; + const char *backtrace; }; -static struct power_event *power_events; -static struct wake_event *wake_events; - -struct process_filter; struct process_filter { char *name; int pid; @@ -160,9 +160,9 @@ struct process_filter { static struct process_filter *process_filter; -static struct per_pid *find_create_pid(int pid) +static struct per_pid *find_create_pid(struct timechart *tchart, int pid) { - struct per_pid *cursor = all_data; + struct per_pid *cursor = tchart->all_data; while (cursor) { if (cursor->pid == pid) @@ -172,16 +172,16 @@ static struct per_pid *find_create_pid(int pid) cursor = zalloc(sizeof(*cursor)); assert(cursor != NULL); cursor->pid = pid; - cursor->next = all_data; - all_data = cursor; + cursor->next = tchart->all_data; + tchart->all_data = cursor; return cursor; } -static void pid_set_comm(int pid, char *comm) +static void pid_set_comm(struct timechart *tchart, int pid, char *comm) { struct per_pid *p; struct per_pidcomm *c; - p = find_create_pid(pid); + p = find_create_pid(tchart, pid); c = p->all; while (c) { if (c->comm && strcmp(c->comm, comm) == 0) { @@ -203,14 +203,14 @@ static void pid_set_comm(int pid, char *comm) p->all = c; } -static void pid_fork(int pid, int ppid, u64 timestamp) +static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp) { struct per_pid *p, *pp; - p = find_create_pid(pid); - pp = find_create_pid(ppid); + p = find_create_pid(tchart, pid); + pp = find_create_pid(tchart, ppid); p->ppid = ppid; if (pp->current && pp->current->comm && !p->current) - pid_set_comm(pid, pp->current->comm); + pid_set_comm(tchart, pid, pp->current->comm); p->start_time = timestamp; if (p->current) { @@ -219,23 +219,24 @@ static void pid_fork(int pid, int ppid, u64 timestamp) } } -static void pid_exit(int pid, u64 timestamp) +static void pid_exit(struct timechart *tchart, int pid, u64 timestamp) { struct per_pid *p; - p = find_create_pid(pid); + p = find_create_pid(tchart, pid); p->end_time = timestamp; if (p->current) p->current->end_time = timestamp; } -static void -pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end) +static void pid_put_sample(struct timechart *tchart, int pid, int type, + unsigned int cpu, u64 start, u64 end, + const char *backtrace) { struct per_pid *p; struct per_pidcomm *c; struct cpu_sample *sample; - p = find_create_pid(pid); + p = find_create_pid(tchart, pid); c = p->current; if (!c) { c = zalloc(sizeof(*c)); @@ -252,6 +253,7 @@ pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end) sample->type = type; sample->next = c->samples; sample->cpu = cpu; + sample->backtrace = backtrace; c->samples = sample; if (sample->type == TYPE_RUNNING && end > start && start > 0) { @@ -272,84 +274,47 @@ static int cpus_cstate_state[MAX_CPUS]; static u64 cpus_pstate_start_times[MAX_CPUS]; static u64 cpus_pstate_state[MAX_CPUS]; -static int process_comm_event(struct perf_tool *tool __maybe_unused, +static int process_comm_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { - pid_set_comm(event->comm.tid, event->comm.comm); + struct timechart *tchart = container_of(tool, struct timechart, tool); + pid_set_comm(tchart, event->comm.tid, event->comm.comm); return 0; } -static int process_fork_event(struct perf_tool *tool __maybe_unused, +static int process_fork_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { - pid_fork(event->fork.pid, event->fork.ppid, event->fork.time); + struct timechart *tchart = container_of(tool, struct timechart, tool); + pid_fork(tchart, event->fork.pid, event->fork.ppid, event->fork.time); return 0; } -static int process_exit_event(struct perf_tool *tool __maybe_unused, +static int process_exit_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { - pid_exit(event->fork.pid, event->fork.time); + struct timechart *tchart = container_of(tool, struct timechart, tool); + pid_exit(tchart, event->fork.pid, event->fork.time); return 0; } -struct trace_entry { - unsigned short type; - unsigned char flags; - unsigned char preempt_count; - int pid; - int lock_depth; -}; - #ifdef SUPPORT_OLD_POWER_EVENTS static int use_old_power_events; -struct power_entry_old { - struct trace_entry te; - u64 type; - u64 value; - u64 cpu_id; -}; #endif -struct power_processor_entry { - struct trace_entry te; - u32 state; - u32 cpu_id; -}; - -#define TASK_COMM_LEN 16 -struct wakeup_entry { - struct trace_entry te; - char comm[TASK_COMM_LEN]; - int pid; - int prio; - int success; -}; - -struct sched_switch { - struct trace_entry te; - char prev_comm[TASK_COMM_LEN]; - int prev_pid; - int prev_prio; - long prev_state; /* Arjan weeps. */ - char next_comm[TASK_COMM_LEN]; - int next_pid; - int next_prio; -}; - static void c_state_start(int cpu, u64 timestamp, int state) { cpus_cstate_start_times[cpu] = timestamp; cpus_cstate_state[cpu] = state; } -static void c_state_end(int cpu, u64 timestamp) +static void c_state_end(struct timechart *tchart, int cpu, u64 timestamp) { struct power_event *pwr = zalloc(sizeof(*pwr)); @@ -361,12 +326,12 @@ static void c_state_end(int cpu, u64 timestamp) pwr->end_time = timestamp; pwr->cpu = cpu; pwr->type = CSTATE; - pwr->next = power_events; + pwr->next = tchart->power_events; - power_events = pwr; + tchart->power_events = pwr; } -static void p_state_change(int cpu, u64 timestamp, u64 new_freq) +static void p_state_change(struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq) { struct power_event *pwr; @@ -382,73 +347,78 @@ static void p_state_change(int cpu, u64 timestamp, u64 new_freq) pwr->end_time = timestamp; pwr->cpu = cpu; pwr->type = PSTATE; - pwr->next = power_events; + pwr->next = tchart->power_events; if (!pwr->start_time) - pwr->start_time = first_time; + pwr->start_time = tchart->first_time; - power_events = pwr; + tchart->power_events = pwr; cpus_pstate_state[cpu] = new_freq; cpus_pstate_start_times[cpu] = timestamp; - if ((u64)new_freq > max_freq) - max_freq = new_freq; + if ((u64)new_freq > tchart->max_freq) + tchart->max_freq = new_freq; - if (new_freq < min_freq || min_freq == 0) - min_freq = new_freq; + if (new_freq < tchart->min_freq || tchart->min_freq == 0) + tchart->min_freq = new_freq; - if (new_freq == max_freq - 1000) - turbo_frequency = max_freq; + if (new_freq == tchart->max_freq - 1000) + tchart->turbo_frequency = tchart->max_freq; } -static void -sched_wakeup(int cpu, u64 timestamp, int pid, struct trace_entry *te) +static void sched_wakeup(struct timechart *tchart, int cpu, u64 timestamp, + int waker, int wakee, u8 flags, const char *backtrace) { struct per_pid *p; - struct wakeup_entry *wake = (void *)te; struct wake_event *we = zalloc(sizeof(*we)); if (!we) return; we->time = timestamp; - we->waker = pid; + we->waker = waker; + we->backtrace = backtrace; - if ((te->flags & TRACE_FLAG_HARDIRQ) || (te->flags & TRACE_FLAG_SOFTIRQ)) + if ((flags & TRACE_FLAG_HARDIRQ) || (flags & TRACE_FLAG_SOFTIRQ)) we->waker = -1; - we->wakee = wake->pid; - we->next = wake_events; - wake_events = we; - p = find_create_pid(we->wakee); + we->wakee = wakee; + we->next = tchart->wake_events; + tchart->wake_events = we; + p = find_create_pid(tchart, we->wakee); if (p && p->current && p->current->state == TYPE_NONE) { p->current->state_since = timestamp; p->current->state = TYPE_WAITING; } if (p && p->current && p->current->state == TYPE_BLOCKED) { - pid_put_sample(p->pid, p->current->state, cpu, p->current->state_since, timestamp); + pid_put_sample(tchart, p->pid, p->current->state, cpu, + p->current->state_since, timestamp, NULL); p->current->state_since = timestamp; p->current->state = TYPE_WAITING; } } -static void sched_switch(int cpu, u64 timestamp, struct trace_entry *te) +static void sched_switch(struct timechart *tchart, int cpu, u64 timestamp, + int prev_pid, int next_pid, u64 prev_state, + const char *backtrace) { struct per_pid *p = NULL, *prev_p; - struct sched_switch *sw = (void *)te; + prev_p = find_create_pid(tchart, prev_pid); - prev_p = find_create_pid(sw->prev_pid); - - p = find_create_pid(sw->next_pid); + p = find_create_pid(tchart, next_pid); if (prev_p->current && prev_p->current->state != TYPE_NONE) - pid_put_sample(sw->prev_pid, TYPE_RUNNING, cpu, prev_p->current->state_since, timestamp); + pid_put_sample(tchart, prev_pid, TYPE_RUNNING, cpu, + prev_p->current->state_since, timestamp, + backtrace); if (p && p->current) { if (p->current->state != TYPE_NONE) - pid_put_sample(sw->next_pid, p->current->state, cpu, p->current->state_since, timestamp); + pid_put_sample(tchart, next_pid, p->current->state, cpu, + p->current->state_since, timestamp, + backtrace); p->current->state_since = timestamp; p->current->state = TYPE_RUNNING; @@ -457,109 +427,211 @@ static void sched_switch(int cpu, u64 timestamp, struct trace_entry *te) if (prev_p->current) { prev_p->current->state = TYPE_NONE; prev_p->current->state_since = timestamp; - if (sw->prev_state & 2) + if (prev_state & 2) prev_p->current->state = TYPE_BLOCKED; - if (sw->prev_state == 0) + if (prev_state == 0) prev_p->current->state = TYPE_WAITING; } } -typedef int (*tracepoint_handler)(struct perf_evsel *evsel, - struct perf_sample *sample); +static const char *cat_backtrace(union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + struct addr_location al; + unsigned int i; + char *p = NULL; + size_t p_len; + u8 cpumode = PERF_RECORD_MISC_USER; + struct addr_location tal; + struct ip_callchain *chain = sample->callchain; + FILE *f = open_memstream(&p, &p_len); + + if (!f) { + perror("open_memstream error"); + return NULL; + } + + if (!chain) + goto exit; + + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { + fprintf(stderr, "problem processing %d event, skipping it.\n", + event->header.type); + goto exit; + } + + for (i = 0; i < chain->nr; i++) { + u64 ip; + + if (callchain_param.order == ORDER_CALLEE) + ip = chain->ips[i]; + else + ip = chain->ips[chain->nr - i - 1]; + + if (ip >= PERF_CONTEXT_MAX) { + switch (ip) { + case PERF_CONTEXT_HV: + cpumode = PERF_RECORD_MISC_HYPERVISOR; + break; + case PERF_CONTEXT_KERNEL: + cpumode = PERF_RECORD_MISC_KERNEL; + break; + case PERF_CONTEXT_USER: + cpumode = PERF_RECORD_MISC_USER; + break; + default: + pr_debug("invalid callchain context: " + "%"PRId64"\n", (s64) ip); + + /* + * It seems the callchain is corrupted. + * Discard all. + */ + zfree(&p); + goto exit; + } + continue; + } + + tal.filtered = 0; + thread__find_addr_location(al.thread, machine, cpumode, + MAP__FUNCTION, ip, &tal); + + if (tal.sym) + fprintf(f, "..... %016" PRIx64 " %s\n", ip, + tal.sym->name); + else + fprintf(f, "..... %016" PRIx64 "\n", ip); + } + +exit: + fclose(f); + + return p; +} + +typedef int (*tracepoint_handler)(struct timechart *tchart, + struct perf_evsel *evsel, + struct perf_sample *sample, + const char *backtrace); -static int process_sample_event(struct perf_tool *tool __maybe_unused, - union perf_event *event __maybe_unused, +static int process_sample_event(struct perf_tool *tool, + union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine __maybe_unused) + struct machine *machine) { + struct timechart *tchart = container_of(tool, struct timechart, tool); + if (evsel->attr.sample_type & PERF_SAMPLE_TIME) { - if (!first_time || first_time > sample->time) - first_time = sample->time; - if (last_time < sample->time) - last_time = sample->time; + if (!tchart->first_time || tchart->first_time > sample->time) + tchart->first_time = sample->time; + if (tchart->last_time < sample->time) + tchart->last_time = sample->time; } - if (sample->cpu > numcpus) - numcpus = sample->cpu; - if (evsel->handler != NULL) { tracepoint_handler f = evsel->handler; - return f(evsel, sample); + return f(tchart, evsel, sample, + cat_backtrace(event, sample, machine)); } return 0; } static int -process_sample_cpu_idle(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) +process_sample_cpu_idle(struct timechart *tchart __maybe_unused, + struct perf_evsel *evsel, + struct perf_sample *sample, + const char *backtrace __maybe_unused) { - struct power_processor_entry *ppe = sample->raw_data; + u32 state = perf_evsel__intval(evsel, sample, "state"); + u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); - if (ppe->state == (u32) PWR_EVENT_EXIT) - c_state_end(ppe->cpu_id, sample->time); + if (state == (u32)PWR_EVENT_EXIT) + c_state_end(tchart, cpu_id, sample->time); else - c_state_start(ppe->cpu_id, sample->time, ppe->state); + c_state_start(cpu_id, sample->time, state); return 0; } static int -process_sample_cpu_frequency(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) +process_sample_cpu_frequency(struct timechart *tchart, + struct perf_evsel *evsel, + struct perf_sample *sample, + const char *backtrace __maybe_unused) { - struct power_processor_entry *ppe = sample->raw_data; + u32 state = perf_evsel__intval(evsel, sample, "state"); + u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); - p_state_change(ppe->cpu_id, sample->time, ppe->state); + p_state_change(tchart, cpu_id, sample->time, state); return 0; } static int -process_sample_sched_wakeup(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) +process_sample_sched_wakeup(struct timechart *tchart, + struct perf_evsel *evsel, + struct perf_sample *sample, + const char *backtrace) { - struct trace_entry *te = sample->raw_data; + u8 flags = perf_evsel__intval(evsel, sample, "common_flags"); + int waker = perf_evsel__intval(evsel, sample, "common_pid"); + int wakee = perf_evsel__intval(evsel, sample, "pid"); - sched_wakeup(sample->cpu, sample->time, sample->pid, te); + sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace); return 0; } static int -process_sample_sched_switch(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) +process_sample_sched_switch(struct timechart *tchart, + struct perf_evsel *evsel, + struct perf_sample *sample, + const char *backtrace) { - struct trace_entry *te = sample->raw_data; + int prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"); + int next_pid = perf_evsel__intval(evsel, sample, "next_pid"); + u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state"); - sched_switch(sample->cpu, sample->time, te); + sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid, + prev_state, backtrace); return 0; } #ifdef SUPPORT_OLD_POWER_EVENTS static int -process_sample_power_start(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) +process_sample_power_start(struct timechart *tchart __maybe_unused, + struct perf_evsel *evsel, + struct perf_sample *sample, + const char *backtrace __maybe_unused) { - struct power_entry_old *peo = sample->raw_data; + u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); + u64 value = perf_evsel__intval(evsel, sample, "value"); - c_state_start(peo->cpu_id, sample->time, peo->value); + c_state_start(cpu_id, sample->time, value); return 0; } static int -process_sample_power_end(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) +process_sample_power_end(struct timechart *tchart, + struct perf_evsel *evsel __maybe_unused, + struct perf_sample *sample, + const char *backtrace __maybe_unused) { - c_state_end(sample->cpu, sample->time); + c_state_end(tchart, sample->cpu, sample->time); return 0; } static int -process_sample_power_frequency(struct perf_evsel *evsel __maybe_unused, - struct perf_sample *sample) +process_sample_power_frequency(struct timechart *tchart, + struct perf_evsel *evsel, + struct perf_sample *sample, + const char *backtrace __maybe_unused) { - struct power_entry_old *peo = sample->raw_data; + u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id"); + u64 value = perf_evsel__intval(evsel, sample, "value"); - p_state_change(peo->cpu_id, sample->time, peo->value); + p_state_change(tchart, cpu_id, sample->time, value); return 0; } #endif /* SUPPORT_OLD_POWER_EVENTS */ @@ -568,12 +640,12 @@ process_sample_power_frequency(struct perf_evsel *evsel __maybe_unused, * After the last sample we need to wrap up the current C/P state * and close out each CPU for these. */ -static void end_sample_processing(void) +static void end_sample_processing(struct timechart *tchart) { u64 cpu; struct power_event *pwr; - for (cpu = 0; cpu <= numcpus; cpu++) { + for (cpu = 0; cpu <= tchart->numcpus; cpu++) { /* C state */ #if 0 pwr = zalloc(sizeof(*pwr)); @@ -582,12 +654,12 @@ static void end_sample_processing(void) pwr->state = cpus_cstate_state[cpu]; pwr->start_time = cpus_cstate_start_times[cpu]; - pwr->end_time = last_time; + pwr->end_time = tchart->last_time; pwr->cpu = cpu; pwr->type = CSTATE; - pwr->next = power_events; + pwr->next = tchart->power_events; - power_events = pwr; + tchart->power_events = pwr; #endif /* P state */ @@ -597,32 +669,32 @@ static void end_sample_processing(void) pwr->state = cpus_pstate_state[cpu]; pwr->start_time = cpus_pstate_start_times[cpu]; - pwr->end_time = last_time; + pwr->end_time = tchart->last_time; pwr->cpu = cpu; pwr->type = PSTATE; - pwr->next = power_events; + pwr->next = tchart->power_events; if (!pwr->start_time) - pwr->start_time = first_time; + pwr->start_time = tchart->first_time; if (!pwr->state) - pwr->state = min_freq; - power_events = pwr; + pwr->state = tchart->min_freq; + tchart->power_events = pwr; } } /* * Sort the pid datastructure */ -static void sort_pids(void) +static void sort_pids(struct timechart *tchart) { struct per_pid *new_list, *p, *cursor, *prev; /* sort by ppid first, then by pid, lowest to highest */ new_list = NULL; - while (all_data) { - p = all_data; - all_data = p->next; + while (tchart->all_data) { + p = tchart->all_data; + tchart->all_data = p->next; p->next = NULL; if (new_list == NULL) { @@ -655,14 +727,14 @@ static void sort_pids(void) prev->next = p; } } - all_data = new_list; + tchart->all_data = new_list; } -static void draw_c_p_states(void) +static void draw_c_p_states(struct timechart *tchart) { struct power_event *pwr; - pwr = power_events; + pwr = tchart->power_events; /* * two pass drawing so that the P state bars are on top of the C state blocks @@ -673,30 +745,30 @@ static void draw_c_p_states(void) pwr = pwr->next; } - pwr = power_events; + pwr = tchart->power_events; while (pwr) { if (pwr->type == PSTATE) { if (!pwr->state) - pwr->state = min_freq; + pwr->state = tchart->min_freq; svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state); } pwr = pwr->next; } } -static void draw_wakeups(void) +static void draw_wakeups(struct timechart *tchart) { struct wake_event *we; struct per_pid *p; struct per_pidcomm *c; - we = wake_events; + we = tchart->wake_events; while (we) { int from = 0, to = 0; char *task_from = NULL, *task_to = NULL; /* locate the column of the waker and wakee */ - p = all_data; + p = tchart->all_data; while (p) { if (p->pid == we->waker || p->pid == we->wakee) { c = p->all; @@ -739,11 +811,12 @@ static void draw_wakeups(void) } if (we->waker == -1) - svg_interrupt(we->time, to); + svg_interrupt(we->time, to, we->backtrace); else if (from && to && abs(from - to) == 1) - svg_wakeline(we->time, from, to); + svg_wakeline(we->time, from, to, we->backtrace); else - svg_partial_wakeline(we->time, from, task_from, to, task_to); + svg_partial_wakeline(we->time, from, task_from, to, + task_to, we->backtrace); we = we->next; free(task_from); @@ -751,19 +824,25 @@ static void draw_wakeups(void) } } -static void draw_cpu_usage(void) +static void draw_cpu_usage(struct timechart *tchart) { struct per_pid *p; struct per_pidcomm *c; struct cpu_sample *sample; - p = all_data; + p = tchart->all_data; while (p) { c = p->all; while (c) { sample = c->samples; while (sample) { - if (sample->type == TYPE_RUNNING) - svg_process(sample->cpu, sample->start_time, sample->end_time, "sample", c->comm); + if (sample->type == TYPE_RUNNING) { + svg_process(sample->cpu, + sample->start_time, + sample->end_time, + p->pid, + c->comm, + sample->backtrace); + } sample = sample->next; } @@ -773,16 +852,16 @@ static void draw_cpu_usage(void) } } -static void draw_process_bars(void) +static void draw_process_bars(struct timechart *tchart) { struct per_pid *p; struct per_pidcomm *c; struct cpu_sample *sample; int Y = 0; - Y = 2 * numcpus + 2; + Y = 2 * tchart->numcpus + 2; - p = all_data; + p = tchart->all_data; while (p) { c = p->all; while (c) { @@ -796,11 +875,20 @@ static void draw_process_bars(void) sample = c->samples; while (sample) { if (sample->type == TYPE_RUNNING) - svg_sample(Y, sample->cpu, sample->start_time, sample->end_time); + svg_running(Y, sample->cpu, + sample->start_time, + sample->end_time, + sample->backtrace); if (sample->type == TYPE_BLOCKED) - svg_box(Y, sample->start_time, sample->end_time, "blocked"); + svg_blocked(Y, sample->cpu, + sample->start_time, + sample->end_time, + sample->backtrace); if (sample->type == TYPE_WAITING) - svg_waiting(Y, sample->start_time, sample->end_time); + svg_waiting(Y, sample->cpu, + sample->start_time, + sample->end_time, + sample->backtrace); sample = sample->next; } @@ -853,21 +941,21 @@ static int passes_filter(struct per_pid *p, struct per_pidcomm *c) return 0; } -static int determine_display_tasks_filtered(void) +static int determine_display_tasks_filtered(struct timechart *tchart) { struct per_pid *p; struct per_pidcomm *c; int count = 0; - p = all_data; + p = tchart->all_data; while (p) { p->display = 0; if (p->start_time == 1) - p->start_time = first_time; + p->start_time = tchart->first_time; /* no exit marker, task kept running to the end */ if (p->end_time == 0) - p->end_time = last_time; + p->end_time = tchart->last_time; c = p->all; @@ -875,7 +963,7 @@ static int determine_display_tasks_filtered(void) c->display = 0; if (c->start_time == 1) - c->start_time = first_time; + c->start_time = tchart->first_time; if (passes_filter(p, c)) { c->display = 1; @@ -884,7 +972,7 @@ static int determine_display_tasks_filtered(void) } if (c->end_time == 0) - c->end_time = last_time; + c->end_time = tchart->last_time; c = c->next; } @@ -893,25 +981,25 @@ static int determine_display_tasks_filtered(void) return count; } -static int determine_display_tasks(u64 threshold) +static int determine_display_tasks(struct timechart *tchart, u64 threshold) { struct per_pid *p; struct per_pidcomm *c; int count = 0; if (process_filter) - return determine_display_tasks_filtered(); + return determine_display_tasks_filtered(tchart); - p = all_data; + p = tchart->all_data; while (p) { p->display = 0; if (p->start_time == 1) - p->start_time = first_time; + p->start_time = tchart->first_time; /* no exit marker, task kept running to the end */ if (p->end_time == 0) - p->end_time = last_time; - if (p->total_time >= threshold && !power_only) + p->end_time = tchart->last_time; + if (p->total_time >= threshold) p->display = 1; c = p->all; @@ -920,15 +1008,15 @@ static int determine_display_tasks(u64 threshold) c->display = 0; if (c->start_time == 1) - c->start_time = first_time; + c->start_time = tchart->first_time; - if (c->total_time >= threshold && !power_only) { + if (c->total_time >= threshold) { c->display = 1; count++; } if (c->end_time == 0) - c->end_time = last_time; + c->end_time = tchart->last_time; c = c->next; } @@ -941,45 +1029,77 @@ static int determine_display_tasks(u64 threshold) #define TIME_THRESH 10000000 -static void write_svg_file(const char *filename) +static void write_svg_file(struct timechart *tchart, const char *filename) { u64 i; int count; + int thresh = TIME_THRESH; - numcpus++; + if (tchart->power_only) + tchart->proc_num = 0; + /* We'd like to show at least proc_num tasks; + * be less picky if we have fewer */ + do { + count = determine_display_tasks(tchart, thresh); + thresh /= 10; + } while (!process_filter && thresh && count < tchart->proc_num); - count = determine_display_tasks(TIME_THRESH); + if (!tchart->proc_num) + count = 0; - /* We'd like to show at least 15 tasks; be less picky if we have fewer */ - if (count < 15) - count = determine_display_tasks(TIME_THRESH / 10); - - open_svg(filename, numcpus, count, first_time, last_time); + open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time); svg_time_grid(); svg_legenda(); - for (i = 0; i < numcpus; i++) - svg_cpu_box(i, max_freq, turbo_frequency); + for (i = 0; i < tchart->numcpus; i++) + svg_cpu_box(i, tchart->max_freq, tchart->turbo_frequency); - draw_cpu_usage(); - draw_process_bars(); - draw_c_p_states(); - draw_wakeups(); + draw_cpu_usage(tchart); + if (tchart->proc_num) + draw_process_bars(tchart); + if (!tchart->tasks_only) + draw_c_p_states(tchart); + if (tchart->proc_num) + draw_wakeups(tchart); svg_close(); } -static int __cmd_timechart(const char *output_name) +static int process_header(struct perf_file_section *section __maybe_unused, + struct perf_header *ph, + int feat, + int fd __maybe_unused, + void *data) +{ + struct timechart *tchart = data; + + switch (feat) { + case HEADER_NRCPUS: + tchart->numcpus = ph->env.nr_cpus_avail; + break; + + case HEADER_CPU_TOPOLOGY: + if (!tchart->topology) + break; + + if (svg_build_topology_map(ph->env.sibling_cores, + ph->env.nr_sibling_cores, + ph->env.sibling_threads, + ph->env.nr_sibling_threads)) + fprintf(stderr, "problem building topology\n"); + break; + + default: + break; + } + + return 0; +} + +static int __cmd_timechart(struct timechart *tchart, const char *output_name) { - struct perf_tool perf_timechart = { - .comm = process_comm_event, - .fork = process_fork_event, - .exit = process_exit_event, - .sample = process_sample_event, - .ordered_samples = true, - }; const struct perf_evsel_str_handler power_tracepoints[] = { { "power:cpu_idle", process_sample_cpu_idle }, { "power:cpu_frequency", process_sample_cpu_frequency }, @@ -997,12 +1117,17 @@ static int __cmd_timechart(const char *output_name) }; struct perf_session *session = perf_session__new(&file, false, - &perf_timechart); + &tchart->tool); int ret = -EINVAL; if (session == NULL) return -ENOMEM; + (void)perf_header__process_sections(&session->header, + perf_data_file__fd(session->file), + tchart, + process_header); + if (!perf_session__has_traces(session, "timechart record")) goto out_delete; @@ -1012,69 +1137,111 @@ static int __cmd_timechart(const char *output_name) goto out_delete; } - ret = perf_session__process_events(session, &perf_timechart); + ret = perf_session__process_events(session, &tchart->tool); if (ret) goto out_delete; - end_sample_processing(); + end_sample_processing(tchart); - sort_pids(); + sort_pids(tchart); - write_svg_file(output_name); + write_svg_file(tchart, output_name); pr_info("Written %2.1f seconds of trace to %s.\n", - (last_time - first_time) / 1000000000.0, output_name); + (tchart->last_time - tchart->first_time) / 1000000000.0, output_name); out_delete: perf_session__delete(session); return ret; } -static int __cmd_record(int argc, const char **argv) +static int timechart__record(struct timechart *tchart, int argc, const char **argv) { -#ifdef SUPPORT_OLD_POWER_EVENTS - const char * const record_old_args[] = { + unsigned int rec_argc, i, j; + const char **rec_argv; + const char **p; + unsigned int record_elems; + + const char * const common_args[] = { "record", "-a", "-R", "-c", "1", + }; + unsigned int common_args_nr = ARRAY_SIZE(common_args); + + const char * const backtrace_args[] = { + "-g", + }; + unsigned int backtrace_args_no = ARRAY_SIZE(backtrace_args); + + const char * const power_args[] = { + "-e", "power:cpu_frequency", + "-e", "power:cpu_idle", + }; + unsigned int power_args_nr = ARRAY_SIZE(power_args); + + const char * const old_power_args[] = { +#ifdef SUPPORT_OLD_POWER_EVENTS "-e", "power:power_start", "-e", "power:power_end", "-e", "power:power_frequency", - "-e", "sched:sched_wakeup", - "-e", "sched:sched_switch", - }; #endif - const char * const record_new_args[] = { - "record", "-a", "-R", "-c", "1", - "-e", "power:cpu_frequency", - "-e", "power:cpu_idle", + }; + unsigned int old_power_args_nr = ARRAY_SIZE(old_power_args); + + const char * const tasks_args[] = { "-e", "sched:sched_wakeup", "-e", "sched:sched_switch", }; - unsigned int rec_argc, i, j; - const char **rec_argv; - const char * const *record_args = record_new_args; - unsigned int record_elems = ARRAY_SIZE(record_new_args); + unsigned int tasks_args_nr = ARRAY_SIZE(tasks_args); #ifdef SUPPORT_OLD_POWER_EVENTS if (!is_valid_tracepoint("power:cpu_idle") && is_valid_tracepoint("power:power_start")) { use_old_power_events = 1; - record_args = record_old_args; - record_elems = ARRAY_SIZE(record_old_args); + power_args_nr = 0; + } else { + old_power_args_nr = 0; } #endif - rec_argc = record_elems + argc - 1; + if (tchart->power_only) + tasks_args_nr = 0; + + if (tchart->tasks_only) { + power_args_nr = 0; + old_power_args_nr = 0; + } + + if (!tchart->with_backtrace) + backtrace_args_no = 0; + + record_elems = common_args_nr + tasks_args_nr + + power_args_nr + old_power_args_nr + backtrace_args_no; + + rec_argc = record_elems + argc; rec_argv = calloc(rec_argc + 1, sizeof(char *)); if (rec_argv == NULL) return -ENOMEM; - for (i = 0; i < record_elems; i++) - rec_argv[i] = strdup(record_args[i]); + p = rec_argv; + for (i = 0; i < common_args_nr; i++) + *p++ = strdup(common_args[i]); + + for (i = 0; i < backtrace_args_no; i++) + *p++ = strdup(backtrace_args[i]); + + for (i = 0; i < tasks_args_nr; i++) + *p++ = strdup(tasks_args[i]); + + for (i = 0; i < power_args_nr; i++) + *p++ = strdup(power_args[i]); - for (j = 1; j < (unsigned int)argc; j++, i++) - rec_argv[i] = argv[j]; + for (i = 0; i < old_power_args_nr; i++) + *p++ = strdup(old_power_args[i]); - return cmd_record(i, rec_argv, NULL); + for (j = 0; j < (unsigned int)argc; j++) + *p++ = argv[j]; + + return cmd_record(rec_argc, rec_argv, NULL); } static int @@ -1086,20 +1253,56 @@ parse_process(const struct option *opt __maybe_unused, const char *arg, return 0; } +static int +parse_highlight(const struct option *opt __maybe_unused, const char *arg, + int __maybe_unused unset) +{ + unsigned long duration = strtoul(arg, NULL, 0); + + if (svg_highlight || svg_highlight_name) + return -1; + + if (duration) + svg_highlight = duration; + else + svg_highlight_name = strdup(arg); + + return 0; +} + int cmd_timechart(int argc, const char **argv, const char *prefix __maybe_unused) { + struct timechart tchart = { + .tool = { + .comm = process_comm_event, + .fork = process_fork_event, + .exit = process_exit_event, + .sample = process_sample_event, + .ordered_samples = true, + }, + .proc_num = 15, + }; const char *output_name = "output.svg"; - const struct option options[] = { + const struct option timechart_options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_STRING('o', "output", &output_name, "file", "output file name"), OPT_INTEGER('w', "width", &svg_page_width, "page width"), - OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"), + OPT_CALLBACK(0, "highlight", NULL, "duration or task name", + "highlight tasks. Pass duration in ns or process name.", + parse_highlight), + OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"), + OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, + "output processes data only"), OPT_CALLBACK('p', "process", NULL, "process", "process selector. Pass a pid or process name.", parse_process), OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), + OPT_INTEGER('n', "proc-num", &tchart.proc_num, + "min. number of tasks to print"), + OPT_BOOLEAN('t', "topology", &tchart.topology, + "sort CPUs according to topology"), OPT_END() }; const char * const timechart_usage[] = { @@ -1107,17 +1310,41 @@ int cmd_timechart(int argc, const char **argv, NULL }; - argc = parse_options(argc, argv, options, timechart_usage, + const struct option record_options[] = { + OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"), + OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, + "output processes data only"), + OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"), + OPT_END() + }; + const char * const record_usage[] = { + "perf timechart record [<options>]", + NULL + }; + argc = parse_options(argc, argv, timechart_options, timechart_usage, PARSE_OPT_STOP_AT_NON_OPTION); + if (tchart.power_only && tchart.tasks_only) { + pr_err("-P and -T options cannot be used at the same time.\n"); + return -1; + } + symbol__init(); - if (argc && !strncmp(argv[0], "rec", 3)) - return __cmd_record(argc, argv); - else if (argc) - usage_with_options(timechart_usage, options); + if (argc && !strncmp(argv[0], "rec", 3)) { + argc = parse_options(argc, argv, record_options, record_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + + if (tchart.power_only && tchart.tasks_only) { + pr_err("-P and -T options cannot be used at the same time.\n"); + return -1; + } + + return timechart__record(&tchart, argc, argv); + } else if (argc) + usage_with_options(timechart_usage, timechart_options); setup_pager(); - return __cmd_timechart(output_name); + return __cmd_timechart(&tchart, output_name); } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 71e6402729a..377971dc89a 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -176,7 +176,7 @@ static void perf_top__record_precise_ip(struct perf_top *top, { struct annotation *notes; struct symbol *sym; - int err; + int err = 0; if (he == NULL || he->ms.sym == NULL || ((top->sym_filter_entry == NULL || @@ -189,21 +189,28 @@ static void perf_top__record_precise_ip(struct perf_top *top, if (pthread_mutex_trylock(¬es->lock)) return; - if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { - pthread_mutex_unlock(¬es->lock); - pr_err("Not enough memory for annotating '%s' symbol!\n", - sym->name); - sleep(1); - return; - } - ip = he->ms.map->map_ip(he->ms.map, ip); - err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); + + if (ui__has_annotation()) + err = hist_entry__inc_addr_samples(he, counter, ip); pthread_mutex_unlock(¬es->lock); + /* + * This function is now called with he->hists->lock held. + * Release it before going to sleep. + */ + pthread_mutex_unlock(&he->hists->lock); + if (err == -ERANGE && !he->ms.map->erange_warned) ui__warn_map_erange(he->ms.map, sym, ip); + else if (err == -ENOMEM) { + pr_err("Not enough memory for annotating '%s' symbol!\n", + sym->name); + sleep(1); + } + + pthread_mutex_lock(&he->hists->lock); } static void perf_top__show_details(struct perf_top *top) @@ -239,24 +246,6 @@ out_unlock: pthread_mutex_unlock(¬es->lock); } -static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, - struct addr_location *al, - struct perf_sample *sample) -{ - struct hist_entry *he; - - pthread_mutex_lock(&evsel->hists.lock); - he = __hists__add_entry(&evsel->hists, al, NULL, NULL, NULL, - sample->period, sample->weight, - sample->transaction); - pthread_mutex_unlock(&evsel->hists.lock); - if (he == NULL) - return NULL; - - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); - return he; -} - static void perf_top__print_sym_table(struct perf_top *top) { char bf[160]; @@ -485,7 +474,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) fprintf(stderr, "\nAvailable events:"); - list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) + evlist__for_each(top->evlist, top->sym_evsel) fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); prompt_integer(&counter, "Enter details event counter"); @@ -496,7 +485,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) sleep(1); break; } - list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) + evlist__for_each(top->evlist, top->sym_evsel) if (top->sym_evsel->idx == counter) break; } else @@ -578,7 +567,7 @@ static void *display_thread_tui(void *arg) * Zooming in/out UIDs. For now juse use whatever the user passed * via --uid. */ - list_for_each_entry(pos, &top->evlist->entries, node) + evlist__for_each(top->evlist, pos) pos->hists.uid_filter_str = top->record_opts.target.uid_str; perf_evlist__tui_browse_hists(top->evlist, help, &hbt, top->min_percent, @@ -634,26 +623,9 @@ repeat: return NULL; } -/* Tag samples to be skipped. */ -static const char *skip_symbols[] = { - "intel_idle", - "default_idle", - "native_safe_halt", - "cpu_idle", - "enter_idle", - "exit_idle", - "mwait_idle", - "mwait_idle_with_hints", - "poll_idle", - "ppc64_runlatch_off", - "pseries_dedicated_idle_sleep", - NULL -}; - static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym) { const char *name = sym->name; - int i; /* * ppc64 uses function descriptors and appends a '.' to the @@ -671,11 +643,27 @@ static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym) strstr(name, "_text_end")) return 1; - for (i = 0; skip_symbols[i]; i++) { - if (!strcmp(skip_symbols[i], name)) { - sym->ignore = true; - break; - } + if (symbol__is_idle(sym)) + sym->ignore = true; + + return 0; +} + +static int hist_iter__top_callback(struct hist_entry_iter *iter, + struct addr_location *al, bool single, + void *arg) +{ + struct perf_top *top = arg; + struct hist_entry *he = iter->he; + struct perf_evsel *evsel = iter->evsel; + + if (sort__has_sym && single) { + u64 ip = al->addr; + + if (al->map) + ip = al->map->unmap_ip(al->map, ip); + + perf_top__record_precise_ip(top, he, evsel->idx, ip); } return 0; @@ -688,8 +676,6 @@ static void perf_event__process_sample(struct perf_tool *tool, struct machine *machine) { struct perf_top *top = container_of(tool, struct perf_top, tool); - struct symbol *parent = NULL; - u64 ip = sample->ip; struct addr_location al; int err; @@ -716,8 +702,7 @@ static void perf_event__process_sample(struct perf_tool *tool, if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) top->exact_samples++; - if (perf_event__preprocess_sample(event, machine, &al, sample) < 0 || - al.filtered) + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) return; if (!top->kptr_restrict_warned && @@ -765,33 +750,23 @@ static void perf_event__process_sample(struct perf_tool *tool, } if (al.sym == NULL || !al.sym->ignore) { - struct hist_entry *he; - - if ((sort__has_parent || symbol_conf.use_callchain) && - sample->callchain) { - err = machine__resolve_callchain(machine, evsel, - al.thread, sample, - &parent, &al, - top->max_stack); - if (err) - return; - } + struct hist_entry_iter iter = { + .add_entry_cb = hist_iter__top_callback, + }; - he = perf_evsel__add_hist_entry(evsel, &al, sample); - if (he == NULL) { - pr_err("Problem incrementing symbol period, skipping event\n"); - return; - } + if (symbol_conf.cumulate_callchain) + iter.ops = &hist_iter_cumulative; + else + iter.ops = &hist_iter_normal; - if (symbol_conf.use_callchain) { - err = callchain_append(he->callchain, &callchain_cursor, - sample->period); - if (err) - return; - } + pthread_mutex_lock(&evsel->hists.lock); - if (sort__has_sym) - perf_top__record_precise_ip(top, he, evsel->idx, ip); + err = hist_entry_iter__add(&iter, &al, evsel, sample, + top->max_stack, top); + if (err < 0) + pr_err("Problem incrementing symbol period, skipping event\n"); + + pthread_mutex_unlock(&evsel->hists.lock); } return; @@ -878,11 +853,11 @@ static int perf_top__start_counters(struct perf_top *top) char msg[512]; struct perf_evsel *counter; struct perf_evlist *evlist = top->evlist; - struct perf_record_opts *opts = &top->record_opts; + struct record_opts *opts = &top->record_opts; perf_evlist__config(evlist, opts); - list_for_each_entry(counter, &evlist->entries, node) { + evlist__for_each(evlist, counter) { try_again: if (perf_evsel__open(counter, top->evlist->cpus, top->evlist->threads) < 0) { @@ -930,7 +905,7 @@ static int perf_top__setup_sample_type(struct perf_top *top __maybe_unused) static int __cmd_top(struct perf_top *top) { - struct perf_record_opts *opts = &top->record_opts; + struct record_opts *opts = &top->record_opts; pthread_t thread; int ret; @@ -1023,6 +998,20 @@ parse_callchain_opt(const struct option *opt, const char *arg, int unset) return record_parse_callchain_opt(opt, arg, unset); } +static int perf_top_config(const char *var, const char *value, void *cb) +{ + struct perf_top *top = cb; + + if (!strcmp(var, "top.call-graph")) + return record_parse_callchain(value, &top->record_opts); + if (!strcmp(var, "top.children")) { + symbol_conf.cumulate_callchain = perf_config_bool(var, value); + return 0; + } + + return perf_default_config(var, value, cb); +} + static int parse_percent_limit(const struct option *opt, const char *arg, int unset __maybe_unused) @@ -1052,7 +1041,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) .max_stack = PERF_MAX_STACK_DEPTH, .sym_pcnt_filter = 5, }; - struct perf_record_opts *opts = &top.record_opts; + struct record_opts *opts = &top.record_opts; struct target *target = &opts->target; const struct option options[] = { OPT_CALLBACK('e', "event", &top.evlist, "event", @@ -1084,7 +1073,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) "dump the symbol table used for profiling"), OPT_INTEGER('f', "count-filter", &top.count_filter, "only display functions with more events than this"), - OPT_BOOLEAN('g', "group", &opts->group, + OPT_BOOLEAN(0, "group", &opts->group, "put the counters into a counter group"), OPT_BOOLEAN('i', "no-inherit", &opts->no_inherit, "child tasks do not inherit counters"), @@ -1101,16 +1090,20 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), OPT_STRING('s', "sort", &sort_order, "key[,key2...]", - "sort by key(s): pid, comm, dso, symbol, parent, weight, local_weight," - " abort, in_tx, transaction"), + "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." + " Please refer the man page for the complete list."), + OPT_STRING(0, "fields", &field_order, "key[,keys...]", + "output field(s): overhead, period, sample plus all of sort keys"), OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, "Show a column with the number of samples"), - OPT_CALLBACK_NOOPT('G', NULL, &top.record_opts, + OPT_CALLBACK_NOOPT('g', NULL, &top.record_opts, NULL, "enables call-graph recording", &callchain_opt), OPT_CALLBACK(0, "call-graph", &top.record_opts, "mode[,dump_size]", record_callchain_help, &parse_callchain_opt), + OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, + "Accumulate callchains of children and show total overhead as well"), OPT_INTEGER(0, "max-stack", &top.max_stack, "Set the maximum stack depth when parsing the callchain. " "Default: " __stringify(PERF_MAX_STACK_DEPTH)), @@ -1136,6 +1129,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"), OPT_CALLBACK(0, "percent-limit", &top, "percent", "Don't show entries under that percent", parse_percent_limit), + OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", + "How to display percentage of filtered entries", parse_filter_percentage), OPT_END() }; const char * const top_usage[] = { @@ -1147,21 +1142,25 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (top.evlist == NULL) return -ENOMEM; + perf_config(perf_top_config, &top); + argc = parse_options(argc, argv, options, top_usage, 0); if (argc) usage_with_options(top_usage, options); - if (sort_order == default_sort_order) - sort_order = "dso,symbol"; + sort__mode = SORT_MODE__TOP; + /* display thread wants entries to be collapsed in a different tree */ + sort__need_collapse = 1; if (setup_sorting() < 0) { - parse_options_usage(top_usage, options, "s", 1); + if (sort_order) + parse_options_usage(top_usage, options, "s", 1); + if (field_order) + parse_options_usage(sort_order ? NULL : top_usage, + options, "fields", 0); goto out_delete_evlist; } - /* display thread wants entries to be collapsed in a different tree */ - sort__need_collapse = 1; - if (top.use_stdio) use_browser = 0; else if (top.use_tui) @@ -1195,7 +1194,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (!top.evlist->nr_entries && perf_evlist__add_default(top.evlist) < 0) { ui__error("Not enough memory for event selector list\n"); - goto out_delete_maps; + goto out_delete_evlist; } symbol_conf.nr_events = top.evlist->nr_entries; @@ -1203,13 +1202,18 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (top.delay_secs < 1) top.delay_secs = 1; - if (perf_record_opts__config(opts)) { + if (record_opts__config(opts)) { status = -EINVAL; - goto out_delete_maps; + goto out_delete_evlist; } top.sym_evsel = perf_evlist__first(top.evlist); + if (!symbol_conf.use_callchain) { + symbol_conf.cumulate_callchain = false; + perf_hpp__cancel_cumulate(); + } + symbol_conf.priv_size = sizeof(struct annotation); symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); @@ -1230,8 +1234,6 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) status = __cmd_top(&top); -out_delete_maps: - perf_evlist__delete_maps(top.evlist); out_delete_evlist: perf_evlist__delete(top.evlist); diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 8be17fc462b..f954c26de23 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -11,6 +11,8 @@ #include "util/intlist.h" #include "util/thread_map.h" #include "util/stat.h" +#include "trace-event.h" +#include "util/parse-events.h" #include <libaudit.h> #include <stdlib.h> @@ -35,6 +37,10 @@ # define MADV_UNMERGEABLE 13 #endif +#ifndef EFD_SEMAPHORE +# define EFD_SEMAPHORE 1 +#endif + struct tp_field { int offset; union { @@ -144,8 +150,7 @@ static int perf_evsel__init_tp_ptr_field(struct perf_evsel *evsel, static void perf_evsel__delete_priv(struct perf_evsel *evsel) { - free(evsel->priv); - evsel->priv = NULL; + zfree(&evsel->priv); perf_evsel__delete(evsel); } @@ -163,8 +168,7 @@ static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler) return -ENOMEM; out_delete: - free(evsel->priv); - evsel->priv = NULL; + zfree(&evsel->priv); return -ENOENT; } @@ -172,6 +176,10 @@ static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void { struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction); + /* older kernel (e.g., RHEL6) use syscalls:{enter,exit} */ + if (evsel == NULL) + evsel = perf_evsel__newtp("syscalls", direction); + if (evsel) { if (perf_evsel__init_syscall_tp(evsel, handler)) goto out_delete; @@ -275,6 +283,11 @@ static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size, #define SCA_STRARRAY syscall_arg__scnprintf_strarray +#if defined(__i386__) || defined(__x86_64__) +/* + * FIXME: Make this available to all arches as soon as the ioctl beautifier + * gets rewritten to support all arches. + */ static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size, struct syscall_arg *arg) { @@ -282,6 +295,7 @@ static size_t syscall_arg__scnprintf_strhexarray(char *bf, size_t size, } #define SCA_STRHEXARRAY syscall_arg__scnprintf_strhexarray +#endif /* defined(__i386__) || defined(__x86_64__) */ static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg); @@ -811,7 +825,6 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal P_SIGNUM(PIPE); P_SIGNUM(ALRM); P_SIGNUM(TERM); - P_SIGNUM(STKFLT); P_SIGNUM(CHLD); P_SIGNUM(CONT); P_SIGNUM(STOP); @@ -827,6 +840,15 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal P_SIGNUM(IO); P_SIGNUM(PWR); P_SIGNUM(SYS); +#ifdef SIGEMT + P_SIGNUM(EMT); +#endif +#ifdef SIGSTKFLT + P_SIGNUM(STKFLT); +#endif +#ifdef SIGSWI + P_SIGNUM(SWI); +#endif default: break; } @@ -835,6 +857,10 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal #define SCA_SIGNUM syscall_arg__scnprintf_signum +#if defined(__i386__) || defined(__x86_64__) +/* + * FIXME: Make this available to all arches. + */ #define TCGETS 0x5401 static const char *tioctls[] = { @@ -856,6 +882,7 @@ static const char *tioctls[] = { }; static DEFINE_STRARRAY_OFFSET(tioctls, 0x5401); +#endif /* defined(__i386__) || defined(__x86_64__) */ #define STRARRAY(arg, name, array) \ .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ @@ -937,9 +964,16 @@ static struct syscall_fmt { { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, { .name = "ioctl", .errmsg = true, .arg_scnprintf = { [0] = SCA_FD, /* fd */ +#if defined(__i386__) || defined(__x86_64__) +/* + * FIXME: Make this available to all arches. + */ [1] = SCA_STRHEXARRAY, /* cmd */ [2] = SCA_HEX, /* arg */ }, .arg_parm = { [1] = &strarray__tioctls, /* cmd */ }, }, +#else + [2] = SCA_HEX, /* arg */ }, }, +#endif { .name = "kill", .errmsg = true, .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, { .name = "linkat", .errmsg = true, @@ -1153,29 +1187,30 @@ struct trace { int max; struct syscall *table; } syscalls; - struct perf_record_opts opts; + struct record_opts opts; struct machine *host; u64 base_time; - bool full_time; FILE *output; unsigned long nr_events; struct strlist *ev_qualifier; - bool not_ev_qualifier; - bool live; const char *last_vfs_getname; struct intlist *tid_list; struct intlist *pid_list; + double duration_filter; + double runtime_ms; + struct { + u64 vfs_getname, + proc_getname; + } stats; + bool not_ev_qualifier; + bool live; + bool full_time; bool sched; bool multiple_threads; bool summary; bool summary_only; bool show_comm; bool show_tool_stats; - double duration_filter; - double runtime_ms; - struct { - u64 vfs_getname, proc_getname; - } stats; }; static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname) @@ -1272,10 +1307,8 @@ static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size, size_t printed = syscall_arg__scnprintf_fd(bf, size, arg); struct thread_trace *ttrace = arg->thread->priv; - if (ttrace && fd >= 0 && fd <= ttrace->paths.max) { - free(ttrace->paths.table[fd]); - ttrace->paths.table[fd] = NULL; - } + if (ttrace && fd >= 0 && fd <= ttrace->paths.max) + zfree(&ttrace->paths.table[fd]); return printed; } @@ -1430,11 +1463,11 @@ static int trace__read_syscall_info(struct trace *trace, int id) sc->fmt = syscall_fmt__find(sc->name); snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name); - sc->tp_format = event_format__new("syscalls", tp_name); + sc->tp_format = trace_event__tp_format("syscalls", tp_name); if (sc->tp_format == NULL && sc->fmt && sc->fmt->alias) { snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->fmt->alias); - sc->tp_format = event_format__new("syscalls", tp_name); + sc->tp_format = trace_event__tp_format("syscalls", tp_name); } if (sc->tp_format == NULL) @@ -1764,8 +1797,10 @@ static int trace__process_sample(struct perf_tool *tool, if (!trace->full_time && trace->base_time == 0) trace->base_time = sample->time; - if (handler) + if (handler) { + ++trace->nr_events; handler(trace, evsel, sample); + } return err; } @@ -1800,10 +1835,11 @@ static int trace__record(int argc, const char **argv) "-R", "-m", "1024", "-c", "1", - "-e", "raw_syscalls:sys_enter,raw_syscalls:sys_exit", + "-e", }; - rec_argc = ARRAY_SIZE(record_args) + argc; + /* +1 is for the event string below */ + rec_argc = ARRAY_SIZE(record_args) + 1 + argc; rec_argv = calloc(rec_argc + 1, sizeof(char *)); if (rec_argv == NULL) @@ -1812,6 +1848,17 @@ static int trace__record(int argc, const char **argv) for (i = 0; i < ARRAY_SIZE(record_args); i++) rec_argv[i] = record_args[i]; + /* event string may be different for older kernels - e.g., RHEL6 */ + if (is_valid_tracepoint("raw_syscalls:sys_enter")) + rec_argv[i] = "raw_syscalls:sys_enter,raw_syscalls:sys_exit"; + else if (is_valid_tracepoint("syscalls:sys_enter")) + rec_argv[i] = "syscalls:sys_enter,syscalls:sys_exit"; + else { + pr_err("Neither raw_syscalls nor syscalls events exist.\n"); + return -1; + } + i++; + for (j = 0; j < (unsigned int)argc; j++, i++) rec_argv[i] = argv[j]; @@ -1869,7 +1916,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) err = trace__symbols_init(trace, evlist); if (err < 0) { fprintf(trace->output, "Problems initializing symbol libraries!\n"); - goto out_delete_maps; + goto out_delete_evlist; } perf_evlist__config(evlist, &trace->opts); @@ -1879,10 +1926,10 @@ static int trace__run(struct trace *trace, int argc, const char **argv) if (forks) { err = perf_evlist__prepare_workload(evlist, &trace->opts.target, - argv, false, false); + argv, false, NULL); if (err < 0) { fprintf(trace->output, "Couldn't run the workload!\n"); - goto out_delete_maps; + goto out_delete_evlist; } } @@ -1890,10 +1937,10 @@ static int trace__run(struct trace *trace, int argc, const char **argv) if (err < 0) goto out_error_open; - err = perf_evlist__mmap(evlist, UINT_MAX, false); + err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); if (err < 0) { fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__enable(evlist); @@ -1977,11 +2024,6 @@ out_disable: } } - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); out_delete_evlist: perf_evlist__delete(evlist); out: @@ -2047,6 +2089,10 @@ static int trace__replay(struct trace *trace) evsel = perf_evlist__find_tracepoint_by_name(session->evlist, "raw_syscalls:sys_enter"); + /* older kernels have syscalls tp versus raw_syscalls */ + if (evsel == NULL) + evsel = perf_evlist__find_tracepoint_by_name(session->evlist, + "syscalls:sys_enter"); if (evsel == NULL) { pr_err("Data file does not have raw_syscalls:sys_enter event\n"); goto out; @@ -2060,6 +2106,9 @@ static int trace__replay(struct trace *trace) evsel = perf_evlist__find_tracepoint_by_name(session->evlist, "raw_syscalls:sys_exit"); + if (evsel == NULL) + evsel = perf_evlist__find_tracepoint_by_name(session->evlist, + "syscalls:sys_exit"); if (evsel == NULL) { pr_err("Data file does not have raw_syscalls:sys_exit event\n"); goto out; @@ -2158,7 +2207,6 @@ static int trace__fprintf_one_thread(struct thread *thread, void *priv) size_t printed = data->printed; struct trace *trace = data->trace; struct thread_trace *ttrace = thread->priv; - const char *color; double ratio; if (ttrace == NULL) @@ -2166,17 +2214,9 @@ static int trace__fprintf_one_thread(struct thread *thread, void *priv) ratio = (double)ttrace->nr_events / trace->nr_events * 100.0; - color = PERF_COLOR_NORMAL; - if (ratio > 50.0) - color = PERF_COLOR_RED; - else if (ratio > 25.0) - color = PERF_COLOR_GREEN; - else if (ratio > 5.0) - color = PERF_COLOR_YELLOW; - - printed += color_fprintf(fp, color, " %s (%d), ", thread__comm_str(thread), thread->tid); + printed += fprintf(fp, " %s (%d), ", thread__comm_str(thread), thread->tid); printed += fprintf(fp, "%lu events, ", ttrace->nr_events); - printed += color_fprintf(fp, color, "%.1f%%", ratio); + printed += fprintf(fp, "%.1f%%", ratio); printed += fprintf(fp, ", %.3f msec\n", ttrace->runtime_ms); printed += thread__dump_stats(ttrace, trace, fp); @@ -2248,7 +2288,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) }, .user_freq = UINT_MAX, .user_interval = ULLONG_MAX, - .no_delay = true, + .no_buffering = true, .mmap_pages = 1024, }, .output = stdout, diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index f7d11a811c7..f30ac5e5d27 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -1,28 +1,26 @@ -uname_M := $(shell uname -m 2>/dev/null || echo not) -ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ - -e s/arm.*/arm/ -e s/sa110/arm/ \ - -e s/s390x/s390/ -e s/parisc64/parisc/ \ - -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ - -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) -NO_PERF_REGS := 1 -CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) +ifeq ($(src-perf),) +src-perf := $(srctree)/tools/perf +endif -# Additional ARCH settings for x86 -ifeq ($(ARCH),i386) - override ARCH := x86 - NO_PERF_REGS := 0 - LIBUNWIND_LIBS = -lunwind -lunwind-x86 +ifeq ($(obj-perf),) +obj-perf := $(OUTPUT) endif -ifeq ($(ARCH),x86_64) - override ARCH := x86 - IS_X86_64 := 0 - ifeq (, $(findstring m32,$(CFLAGS))) - IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1) - endif +ifneq ($(obj-perf),) +obj-perf := $(abspath $(obj-perf))/ +endif + +LIB_INCLUDE := $(srctree)/tools/lib/ +CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) + +include $(src-perf)/config/Makefile.arch + +NO_PERF_REGS := 1 + +# Additional ARCH settings for x86 +ifeq ($(ARCH),x86) ifeq (${IS_X86_64}, 1) - RAW_ARCH := x86_64 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S LIBUNWIND_LIBS = -lunwind -lunwind-x86_64 @@ -31,28 +29,60 @@ ifeq ($(ARCH),x86_64) endif NO_PERF_REGS := 0 endif + ifeq ($(ARCH),arm) NO_PERF_REGS := 0 LIBUNWIND_LIBS = -lunwind -lunwind-arm endif -ifeq ($(NO_PERF_REGS),0) - CFLAGS += -DHAVE_PERF_REGS_SUPPORT +ifeq ($(ARCH),arm64) + NO_PERF_REGS := 0 + LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 endif -ifeq ($(src-perf),) -src-perf := $(srctree)/tools/perf +# So far there's only x86 and arm libdw unwind support merged in perf. +# Disable it on all other architectures in case libdw unwind +# support is detected in system. Add supported architectures +# to the check. +ifneq ($(ARCH),$(filter $(ARCH),x86 arm)) + NO_LIBDW_DWARF_UNWIND := 1 endif -ifeq ($(obj-perf),) -obj-perf := $(OUTPUT) +ifeq ($(LIBUNWIND_LIBS),) + NO_LIBUNWIND := 1 +else + # + # For linking with debug library, run like: + # + # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ + # + ifdef LIBUNWIND_DIR + LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include + LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib + endif + LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS) + + # Set per-feature check compilation flags + FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) + FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) + FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) + FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) endif -ifneq ($(obj-perf),) -obj-perf := $(abspath $(obj-perf))/ +ifeq ($(NO_PERF_REGS),0) + CFLAGS += -DHAVE_PERF_REGS_SUPPORT endif -LIB_INCLUDE := $(srctree)/tools/lib/ +ifndef NO_LIBELF + # for linking with debug library, run like: + # make DEBUG=1 LIBDW_DIR=/opt/libdw/ + ifdef LIBDW_DIR + LIBDW_CFLAGS := -I$(LIBDW_DIR)/include + LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib + endif + FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) + FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw +endif # include ARCH specific config -include $(src-perf)/arch/$(ARCH)/Makefile @@ -93,6 +123,10 @@ CFLAGS += -Wall CFLAGS += -Wextra CFLAGS += -std=gnu99 +# Enforce a non-executable stack, as we may regress (again) in the future by +# adding assembler files missing the .GNU-stack linker note. +LDFLAGS += -Wl,-z,noexecstack + EXTLIBS = -lelf -lpthread -lrt -lm -ldl ifneq ($(OUTPUT),) @@ -102,7 +136,7 @@ endif feature_check = $(eval $(feature_check_code)) define feature_check_code - feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS="$(LDFLAGS)" LIBUNWIND_LIBS="$(LIBUNWIND_LIBS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0) + feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0) endef feature_set = $(eval $(feature_set_code)) @@ -140,21 +174,49 @@ CORE_FEATURE_TESTS = \ libpython-version \ libslang \ libunwind \ - on-exit \ - stackprotector \ stackprotector-all \ - timerfd + timerfd \ + libdw-dwarf-unwind -# -# So here we detect whether test-all was rebuilt, to be able -# to skip the print-out of the long features list if the file -# existed before and after it was built: -# -ifeq ($(wildcard $(OUTPUT)config/feature-checks/test-all),) - test-all-failed := 1 -else - test-all-failed := 0 -endif +LIB_FEATURE_TESTS = \ + dwarf \ + glibc \ + gtk2 \ + libaudit \ + libbfd \ + libelf \ + libnuma \ + libperl \ + libpython \ + libslang \ + libunwind \ + libdw-dwarf-unwind + +VF_FEATURE_TESTS = \ + backtrace \ + fortify-source \ + gtk2-infobar \ + libelf-getphdrnum \ + libelf-mmap \ + libpython-version \ + stackprotector-all \ + timerfd \ + libunwind-debug-frame \ + bionic \ + liberty \ + liberty-z \ + cplus-demangle + +# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features. +# If in the future we need per-feature checks/flags for features not +# mentioned in this list we need to refactor this ;-). +set_test_all_flags = $(eval $(set_test_all_flags_code)) +define set_test_all_flags_code + FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1)) + FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1)) +endef + +$(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat))) # # Special fast-path for the 'all features are available' case: @@ -165,54 +227,20 @@ $(call feature_check,all,$(MSG)) # Just in case the build freshly failed, make sure we print the # feature matrix: # -ifeq ($(feature-all), 0) - test-all-failed := 1 -endif - -ifeq ($(test-all-failed),1) - $(info ) - $(info Auto-detecting system features:) -endif - ifeq ($(feature-all), 1) # # test-all.c passed - just set all the core feature flags to 1: # $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat))) else - $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(CORE_FEATURE_TESTS) >/dev/null 2>&1) + $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(addsuffix .bin,$(CORE_FEATURE_TESTS)) >/dev/null 2>&1) $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat))) endif -# -# Print the result of the feature test: -# -feature_print = $(eval $(feature_print_code)) $(info $(MSG)) - -define feature_print_code - ifeq ($(feature-$(1)), 1) - MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1)) - else - MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1)) - endif -endef - -# -# Only print out our features if we rebuilt the testcases or if a test failed: -# -ifeq ($(test-all-failed), 1) - $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_print,$(feat))) - $(info ) -endif - ifeq ($(feature-stackprotector-all), 1) CFLAGS += -fstack-protector-all endif -ifeq ($(feature-stackprotector), 1) - CFLAGS += -Wstack-protector -endif - ifeq ($(DEBUG),0) ifeq ($(feature-fortify-source), 1) CFLAGS += -D_FORTIFY_SOURCE=2 @@ -221,6 +249,7 @@ endif CFLAGS += -I$(src-perf)/util/include CFLAGS += -I$(src-perf)/arch/$(ARCH)/include +CFLAGS += -I$(srctree)/tools/include/ CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi CFLAGS += -I$(srctree)/arch/$(ARCH)/include CFLAGS += -I$(srctree)/include/uapi @@ -252,6 +281,7 @@ ifdef NO_LIBELF NO_DWARF := 1 NO_DEMANGLE := 1 NO_LIBUNWIND := 1 + NO_LIBDW_DWARF_UNWIND := 1 else ifeq ($(feature-libelf), 0) ifeq ($(feature-glibc), 1) @@ -266,17 +296,22 @@ else NO_LIBELF := 1 NO_DWARF := 1 NO_DEMANGLE := 1 + NO_LIBUNWIND := 1 + NO_LIBDW_DWARF_UNWIND := 1 else - msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); + ifneq ($(filter s% -static%,$(LDFLAGS),),) + msg := $(error No static glibc found, please install glibc-static); + else + msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); + endif endif else - # for linking with debug library, run like: - # make DEBUG=1 LIBDW_DIR=/opt/libdw/ - ifdef LIBDW_DIR - LIBDW_CFLAGS := -I$(LIBDW_DIR)/include - LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib + ifndef NO_LIBDW_DWARF_UNWIND + ifneq ($(feature-libdw-dwarf-unwind),1) + NO_LIBDW_DWARF_UNWIND := 1 + msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR); + endif endif - ifneq ($(feature-dwarf), 1) msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); NO_DWARF := 1 @@ -310,42 +345,52 @@ ifndef NO_LIBELF endif # NO_DWARF endif # NO_LIBELF -ifeq ($(LIBUNWIND_LIBS),) - NO_LIBUNWIND := 1 -endif - ifndef NO_LIBUNWIND - # - # For linking with debug library, run like: - # - # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ - # - ifdef LIBUNWIND_DIR - LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include - LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib - endif - ifneq ($(feature-libunwind), 1) - msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 1.1); + msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); NO_LIBUNWIND := 1 + endif +endif + +dwarf-post-unwind := 1 +dwarf-post-unwind-text := BUG + +# setup DWARF post unwinder +ifdef NO_LIBUNWIND + ifdef NO_LIBDW_DWARF_UNWIND + msg := $(warning Disabling post unwind, no support found.); + dwarf-post-unwind := 0 else - ifeq ($(ARCH),arm) - $(call feature_check,libunwind-debug-frame) - ifneq ($(feature-libunwind-debug-frame), 1) - msg := $(warning No debug_frame support found in libunwind); - CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME - endif - else - # non-ARM has no dwarf_find_debug_frame() function: - CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME - endif + dwarf-post-unwind-text := libdw endif +else + dwarf-post-unwind-text := libunwind + # Enable libunwind support by default. + ifndef NO_LIBDW_DWARF_UNWIND + NO_LIBDW_DWARF_UNWIND := 1 + endif +endif + +ifeq ($(dwarf-post-unwind),1) + CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT +else + NO_DWARF_UNWIND := 1 endif ifndef NO_LIBUNWIND - CFLAGS += -DHAVE_LIBUNWIND_SUPPORT + ifeq ($(ARCH),$(filter $(ARCH),arm arm64)) + $(call feature_check,libunwind-debug-frame) + ifneq ($(feature-libunwind-debug-frame), 1) + msg := $(warning No debug_frame support found in libunwind); + CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME + endif + else + # non-ARM has no dwarf_find_debug_frame() function: + CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME + endif + CFLAGS += -DHAVE_LIBUNWIND_SUPPORT EXTLIBS += $(LIBUNWIND_LIBS) - CFLAGS += $(LIBUNWIND_CFLAGS) + CFLAGS += $(LIBUNWIND_CFLAGS) LDFLAGS += $(LIBUNWIND_LDFLAGS) endif @@ -376,7 +421,7 @@ ifndef NO_SLANG endif ifndef NO_GTK2 - FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) + FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) ifneq ($(feature-gtk2), 1) msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); NO_GTK2 := 1 @@ -385,8 +430,8 @@ ifndef NO_GTK2 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT endif CFLAGS += -DHAVE_GTK2_SUPPORT - GTK_CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null) - GTK_LIBS := $(shell pkg-config --libs gtk+-2.0 2>/dev/null) + GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null) + GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null) EXTLIBS += -ldl endif endif @@ -406,6 +451,7 @@ else ifneq ($(feature-libperl), 1) CFLAGS += -DNO_LIBPERL NO_LIBPERL := 1 + msg := $(warning Missing perl devel files. Disabling perl scripting support, consider installing perl-ExtUtils-Embed); else LDFLAGS += $(PERL_EMBED_LDFLAGS) EXTLIBS += $(PERL_EMBED_LIBADD) @@ -483,6 +529,20 @@ endif ifeq ($(feature-libbfd), 1) EXTLIBS += -lbfd + + # call all detections now so we get correct + # status in VF output + $(call feature_check,liberty) + $(call feature_check,liberty-z) + $(call feature_check,cplus-demangle) + + ifeq ($(feature-liberty), 1) + EXTLIBS += -liberty + else + ifeq ($(feature-liberty-z), 1) + EXTLIBS += -liberty -lz + endif + endif endif ifdef NO_DEMANGLE @@ -493,15 +553,10 @@ else CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT else ifneq ($(feature-libbfd), 1) - $(call feature_check,liberty) - ifeq ($(feature-liberty), 1) - EXTLIBS += -lbfd -liberty - else - $(call feature_check,liberty-z) - ifeq ($(feature-liberty-z), 1) - EXTLIBS += -lbfd -liberty -lz - else - $(call feature_check,cplus-demangle) + ifneq ($(feature-liberty), 1) + ifneq ($(feature-liberty-z), 1) + # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT + # or any of 'bfd iberty z' trinity ifeq ($(feature-cplus-demangle), 1) EXTLIBS += -liberty CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT @@ -519,12 +574,6 @@ ifneq ($(filter -lbfd,$(EXTLIBS)),) CFLAGS += -DHAVE_LIBBFD_SUPPORT endif -ifndef NO_ON_EXIT - ifeq ($(feature-on-exit), 1) - CFLAGS += -DHAVE_ON_EXIT_SUPPORT - endif -endif - ifndef NO_BACKTRACE ifeq ($(feature-backtrace), 1) CFLAGS += -DHAVE_BACKTRACE_SUPPORT @@ -533,7 +582,7 @@ endif ifndef NO_LIBNUMA ifeq ($(feature-libnuma), 0) - msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev); + msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); NO_LIBNUMA := 1 else CFLAGS += -DHAVE_LIBNUMA_SUPPORT @@ -555,7 +604,7 @@ endif # Make the path relative to DESTDIR, not to prefix ifndef DESTDIR -prefix = $(HOME) +prefix ?= $(HOME) endif bindir_relative = bin bindir = $(prefix)/$(bindir_relative) @@ -598,3 +647,92 @@ else perfexec_instdir = $(prefix)/$(perfexecdir) endif perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) + +# If we install to $(HOME) we keep the traceevent default: +# $(HOME)/.traceevent/plugins +# Otherwise we install plugins into the global $(libdir). +ifdef DESTDIR +plugindir=$(libdir)/traceevent/plugins +plugindir_SQ= $(subst ','\'',$(plugindir)) +endif + +# +# Print the result of the feature test: +# +feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG)) + +define feature_print_status_code + ifeq ($(feature-$(1)), 1) + MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1)) + else + MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1)) + endif +endef + +feature_print_var = $(eval $(feature_print_var_code)) $(info $(MSG)) +define feature_print_var_code + MSG = $(shell printf '...%30s: %s' $(1) $($(1))) +endef + +feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG)) +define feature_print_text_code + MSG = $(shell printf '...%30s: %s' $(1) $(2)) +endef + +PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat)))) +PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES) + +ifeq ($(dwarf-post-unwind),1) + PERF_FEATURES += dwarf-post-unwind($(dwarf-post-unwind-text)) +endif + +# The $(display_lib) controls the default detection message +# output. It's set if: +# - detected features differes from stored features from +# last build (in PERF-FEATURES file) +# - one of the $(LIB_FEATURE_TESTS) is not detected +# - VF is enabled + +ifneq ("$(PERF_FEATURES)","$(PERF_FEATURES_FILE)") + $(shell echo "$(PERF_FEATURES)" > $(OUTPUT)PERF-FEATURES) + display_lib := 1 +endif + +feature_check = $(eval $(feature_check_code)) +define feature_check_code + ifneq ($(feature-$(1)), 1) + display_lib := 1 + endif +endef + +$(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_check,$(feat))) + +ifeq ($(VF),1) + display_lib := 1 + display_vf := 1 +endif + +ifeq ($(display_lib),1) + $(info ) + $(info Auto-detecting system features:) + $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),)) + + ifeq ($(dwarf-post-unwind),1) + $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) + endif +endif + +ifeq ($(display_vf),1) + $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),)) + $(info ) + $(call feature_print_var,prefix) + $(call feature_print_var,bindir) + $(call feature_print_var,libdir) + $(call feature_print_var,sysconfdir) + $(call feature_print_var,LIBUNWIND_DIR) + $(call feature_print_var,LIBDW_DIR) +endif + +ifeq ($(display_lib),1) + $(info ) +endif diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch new file mode 100644 index 00000000000..4b06719ee98 --- /dev/null +++ b/tools/perf/config/Makefile.arch @@ -0,0 +1,23 @@ + +uname_M := $(shell uname -m 2>/dev/null || echo not) + +ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ + -e s/arm.*/arm/ -e s/sa110/arm/ \ + -e s/s390x/s390/ -e s/parisc64/parisc/ \ + -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ + -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ + -e s/tile.*/tile/ ) + +# Additional ARCH settings for x86 +ifeq ($(ARCH),i386) + override ARCH := x86 +endif + +ifeq ($(ARCH),x86_64) + override ARCH := x86 + IS_X86_64 := 0 + ifeq (, $(findstring m32,$(CFLAGS))) + IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1) + RAW_ARCH := x86_64 + endif +endif diff --git a/tools/perf/config/feature-checks/.gitignore b/tools/perf/config/feature-checks/.gitignore new file mode 100644 index 00000000000..80f3da0c351 --- /dev/null +++ b/tools/perf/config/feature-checks/.gitignore @@ -0,0 +1,2 @@ +*.d +*.bin diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 87e790017c6..64c84e5f051 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -1,95 +1,92 @@ FILES= \ - test-all \ - test-backtrace \ - test-bionic \ - test-dwarf \ - test-fortify-source \ - test-glibc \ - test-gtk2 \ - test-gtk2-infobar \ - test-hello \ - test-libaudit \ - test-libbfd \ - test-liberty \ - test-liberty-z \ - test-cplus-demangle \ - test-libelf \ - test-libelf-getphdrnum \ - test-libelf-mmap \ - test-libnuma \ - test-libperl \ - test-libpython \ - test-libpython-version \ - test-libslang \ - test-libunwind \ - test-libunwind-debug-frame \ - test-on-exit \ - test-stackprotector-all \ - test-stackprotector \ - test-timerfd - -CC := $(CC) -MD + test-all.bin \ + test-backtrace.bin \ + test-bionic.bin \ + test-dwarf.bin \ + test-fortify-source.bin \ + test-glibc.bin \ + test-gtk2.bin \ + test-gtk2-infobar.bin \ + test-hello.bin \ + test-libaudit.bin \ + test-libbfd.bin \ + test-liberty.bin \ + test-liberty-z.bin \ + test-cplus-demangle.bin \ + test-libelf.bin \ + test-libelf-getphdrnum.bin \ + test-libelf-mmap.bin \ + test-libnuma.bin \ + test-libperl.bin \ + test-libpython.bin \ + test-libpython-version.bin \ + test-libslang.bin \ + test-libunwind.bin \ + test-libunwind-debug-frame.bin \ + test-stackprotector-all.bin \ + test-timerfd.bin \ + test-libdw-dwarf-unwind.bin + +CC := $(CROSS_COMPILE)gcc -MD +PKG_CONFIG := $(CROSS_COMPILE)pkg-config all: $(FILES) -BUILD = $(CC) $(CFLAGS) $(LDFLAGS) -o $(OUTPUT)$@ $@.c +BUILD = $(CC) $(CFLAGS) -o $(OUTPUT)$@ $(patsubst %.bin,%.c,$@) $(LDFLAGS) ############################### -test-all: - $(BUILD) -Werror -fstack-protector -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma $(LIBUNWIND_LIBS) -lelf -laudit -I/usr/include/slang -lslang $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl +test-all.bin: + $(BUILD) -Werror -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -test-hello: +test-hello.bin: $(BUILD) -test-stackprotector-all: +test-stackprotector-all.bin: $(BUILD) -Werror -fstack-protector-all -test-stackprotector: - $(BUILD) -Werror -fstack-protector -Wstack-protector - -test-fortify-source: +test-fortify-source.bin: $(BUILD) -O2 -Werror -D_FORTIFY_SOURCE=2 -test-bionic: +test-bionic.bin: $(BUILD) -test-libelf: +test-libelf.bin: $(BUILD) -lelf -test-glibc: +test-glibc.bin: $(BUILD) -test-dwarf: +test-dwarf.bin: $(BUILD) -ldw -test-libelf-mmap: +test-libelf-mmap.bin: $(BUILD) -lelf -test-libelf-getphdrnum: +test-libelf-getphdrnum.bin: $(BUILD) -lelf -test-libnuma: +test-libnuma.bin: $(BUILD) -lnuma -test-libunwind: - $(BUILD) $(LIBUNWIND_LIBS) -lelf +test-libunwind.bin: + $(BUILD) -lelf -test-libunwind-debug-frame: - $(BUILD) $(LIBUNWIND_LIBS) -lelf +test-libunwind-debug-frame.bin: + $(BUILD) -lelf -test-libaudit: +test-libaudit.bin: $(BUILD) -laudit -test-libslang: +test-libslang.bin: $(BUILD) -I/usr/include/slang -lslang -test-gtk2: - $(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) +test-gtk2.bin: + $(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) -test-gtk2-infobar: - $(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) +test-gtk2-infobar.bin: + $(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) grep-libs = $(filter -l%,$(1)) strip-libs = $(filter-out -l%,$(1)) @@ -100,7 +97,7 @@ PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null` FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) -test-libperl: +test-libperl.bin: $(BUILD) $(FLAGS_PERL_EMBED) override PYTHON := python @@ -117,31 +114,31 @@ PYTHON_EMBED_LIBADD = $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) PYTHON_EMBED_CCOPTS = $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null) FLAGS_PYTHON_EMBED = $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) -test-libpython: +test-libpython.bin: $(BUILD) $(FLAGS_PYTHON_EMBED) -test-libpython-version: +test-libpython-version.bin: $(BUILD) $(FLAGS_PYTHON_EMBED) -test-libbfd: - $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl +test-libbfd.bin: + $(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl -test-liberty: +test-liberty.bin: $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty -test-liberty-z: +test-liberty-z.bin: $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty -lz -test-cplus-demangle: +test-cplus-demangle.bin: $(BUILD) -liberty -test-on-exit: +test-backtrace.bin: $(BUILD) -test-backtrace: +test-timerfd.bin: $(BUILD) -test-timerfd: +test-libdw-dwarf-unwind.bin: $(BUILD) -include *.d diff --git a/tools/perf/config/feature-checks/test-all.c b/tools/perf/config/feature-checks/test-all.c index 59e7a705e14..fe5c1e5c952 100644 --- a/tools/perf/config/feature-checks/test-all.c +++ b/tools/perf/config/feature-checks/test-all.c @@ -69,10 +69,6 @@ # include "test-libbfd.c" #undef main -#define main main_test_on_exit -# include "test-on-exit.c" -#undef main - #define main main_test_backtrace # include "test-backtrace.c" #undef main @@ -85,6 +81,14 @@ # include "test-timerfd.c" #undef main +#define main main_test_stackprotector_all +# include "test-stackprotector-all.c" +#undef main + +#define main main_test_libdw_dwarf_unwind +# include "test-libdw-dwarf-unwind.c" +#undef main + int main(int argc, char *argv[]) { main_test_libpython(); @@ -102,10 +106,11 @@ int main(int argc, char *argv[]) main_test_gtk2(argc, argv); main_test_gtk2_infobar(argc, argv); main_test_libbfd(); - main_test_on_exit(); main_test_backtrace(); main_test_libnuma(); main_test_timerfd(); + main_test_stackprotector_all(); + main_test_libdw_dwarf_unwind(); return 0; } diff --git a/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c b/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c new file mode 100644 index 00000000000..f676a3ff442 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libdw-dwarf-unwind.c @@ -0,0 +1,13 @@ + +#include <elfutils/libdwfl.h> + +int main(void) +{ + /* + * This function is guarded via: __nonnull_attribute__ (1, 2). + * Passing '1' as arguments value. This code is never executed, + * only compiled. + */ + dwfl_thread_getframes((void *) 1, (void *) 1, NULL); + return 0; +} diff --git a/tools/perf/config/feature-checks/test-on-exit.c b/tools/perf/config/feature-checks/test-on-exit.c deleted file mode 100644 index 8e88b16e6de..00000000000 --- a/tools/perf/config/feature-checks/test-on-exit.c +++ /dev/null @@ -1,16 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> - -static void exit_fn(int status, void *__data) -{ - printf("exit status: %d, data: %d\n", status, *(int *)__data); -} - -static int data = 123; - -int main(void) -{ - on_exit(exit_fn, &data); - - return 321; -} diff --git a/tools/perf/config/feature-checks/test-stackprotector.c b/tools/perf/config/feature-checks/test-stackprotector.c deleted file mode 100644 index c9f398d8786..00000000000 --- a/tools/perf/config/feature-checks/test-stackprotector.c +++ /dev/null @@ -1,6 +0,0 @@ -#include <stdio.h> - -int main(void) -{ - return puts("hi"); -} diff --git a/tools/perf/config/feature-checks/test-volatile-register-var.c b/tools/perf/config/feature-checks/test-volatile-register-var.c deleted file mode 100644 index c9f398d8786..00000000000 --- a/tools/perf/config/feature-checks/test-volatile-register-var.c +++ /dev/null @@ -1,6 +0,0 @@ -#include <stdio.h> - -int main(void) -{ - return puts("hi"); -} diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak index f168debc5be..4d985e0f03f 100644 --- a/tools/perf/config/utilities.mak +++ b/tools/perf/config/utilities.mak @@ -178,10 +178,3 @@ endef _ge_attempt = $(if $(get-executable),$(get-executable),$(_gea_warn)$(call _gea_err,$(2))) _gea_warn = $(warning The path '$(1)' is not executable.) _gea_err = $(if $(1),$(error Please set '$(1)' appropriately)) - -ifneq ($(findstring $(MAKEFLAGS),s),s) - ifneq ($(V),1) - QUIET_CLEAN = @printf ' CLEAN %s\n' $1; - QUIET_INSTALL = @printf ' INSTALL %s\n' $1; - endif -endif diff --git a/tools/perf/design.txt b/tools/perf/design.txt index 67e5d0cace8..a28dca2582a 100644 --- a/tools/perf/design.txt +++ b/tools/perf/design.txt @@ -18,7 +18,7 @@ underlying hardware counters. Performance counters are accessed via special file descriptors. There's one file descriptor per virtual counter used. -The special file descriptor is opened via the perf_event_open() +The special file descriptor is opened via the sys_perf_event_open() system call: int sys_perf_event_open(struct perf_event_attr *hw_event_uptr, @@ -82,7 +82,7 @@ machine-specific. If 'raw_type' is 0, then the 'type' field says what kind of counter this is, with the following encoding: -enum perf_event_types { +enum perf_type_id { PERF_TYPE_HARDWARE = 0, PERF_TYPE_SOFTWARE = 1, PERF_TYPE_TRACEPOINT = 2, @@ -95,7 +95,7 @@ specified by 'event_id': * Generalized performance counter event types, used by the hw_event.event_id * parameter of the sys_perf_event_open() syscall: */ -enum hw_event_ids { +enum perf_hw_id { /* * Common hardware events, generalized by the kernel: */ @@ -129,7 +129,7 @@ software events, selected by 'event_id': * physical and sw events of the kernel (and allow the profiling of them as * well): */ -enum sw_event_ids { +enum perf_sw_ids { PERF_COUNT_SW_CPU_CLOCK = 0, PERF_COUNT_SW_TASK_CLOCK = 1, PERF_COUNT_SW_PAGE_FAULTS = 2, @@ -230,7 +230,7 @@ these events are recorded in the ring-buffer (see below). The 'comm' bit allows tracking of process comm data on process creation. This too is recorded in the ring-buffer (see below). -The 'pid' parameter to the perf_event_open() system call allows the +The 'pid' parameter to the sys_perf_event_open() system call allows the counter to be specific to a task: pid == 0: if the pid parameter is zero, the counter is attached to the @@ -260,7 +260,7 @@ The 'flags' parameter is currently unused and must be zero. The 'group_fd' parameter allows counter "groups" to be set up. A counter group has one counter which is the group "leader". The leader -is created first, with group_fd = -1 in the perf_event_open call +is created first, with group_fd = -1 in the sys_perf_event_open call that creates it. The rest of the group members are created subsequently, with group_fd giving the fd of the group leader. (A single counter on its own is created with group_fd = -1 and is @@ -454,7 +454,6 @@ So to start with, in order to add HAVE_PERF_EVENTS to your Kconfig, you will need at least this: - asm/perf_event.h - a basic stub will suffice at first - support for atomic64 types (and associated helper functions) - - set_perf_event_pending() implemented If your architecture does have hardware capabilities, you can override the weak stub hw_perf_event_init() to register hardware counters. diff --git a/tools/perf/bash_completion b/tools/perf/perf-completion.sh index 62e157db2e2..33569847fdc 100644 --- a/tools/perf/bash_completion +++ b/tools/perf/perf-completion.sh @@ -1,4 +1,4 @@ -# perf completion +# perf bash and zsh completion # Taken from git.git's completion script. __my_reassemble_comp_words_by_ref() @@ -89,37 +89,117 @@ __ltrim_colon_completions() fi } -type perf &>/dev/null && -_perf() +__perfcomp () { - local cur words cword prev cmd + COMPREPLY=( $( compgen -W "$1" -- "$2" ) ) +} - COMPREPLY=() - _get_comp_words_by_ref -n =: cur words cword prev +__perfcomp_colon () +{ + __perfcomp "$1" "$2" + __ltrim_colon_completions $cur +} + +__perf_main () +{ + local cmd cmd=${words[0]} + COMPREPLY=() # List perf subcommands or long options if [ $cword -eq 1 ]; then if [[ $cur == --* ]]; then - COMPREPLY=( $( compgen -W '--help --version \ + __perfcomp '--help --version \ --exec-path --html-path --paginate --no-pager \ - --perf-dir --work-tree --debugfs-dir' -- "$cur" ) ) + --perf-dir --work-tree --debugfs-dir' -- "$cur" else cmds=$($cmd --list-cmds) - COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) ) + __perfcomp "$cmds" "$cur" fi # List possible events for -e option elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then evts=$($cmd list --raw-dump) - COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) ) - __ltrim_colon_completions $cur + __perfcomp_colon "$evts" "$cur" + # List subcommands for perf commands + elif [[ $prev == @(kvm|kmem|mem|lock|sched) ]]; then + subcmds=$($cmd $prev --list-cmds) + __perfcomp_colon "$subcmds" "$cur" # List long option names elif [[ $cur == --* ]]; then subcmd=${words[1]} opts=$($cmd $subcmd --list-opts) - COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) ) + __perfcomp "$opts" "$cur" fi +} + +if [[ -n ${ZSH_VERSION-} ]]; then + autoload -U +X compinit && compinit + + __perfcomp () + { + emulate -L zsh + + local c IFS=$' \t\n' + local -a array + + for c in ${=1}; do + case $c in + --*=*|*.) ;; + *) c="$c " ;; + esac + array[${#array[@]}+1]="$c" + done + + compset -P '*[=:]' + compadd -Q -S '' -a -- array && _ret=0 + } + + __perfcomp_colon () + { + emulate -L zsh + + local cur_="${2-$cur}" + local c IFS=$' \t\n' + local -a array + + if [[ "$cur_" == *:* ]]; then + local colon_word=${cur_%"${cur_##*:}"} + fi + + for c in ${=1}; do + case $c in + --*=*|*.) ;; + *) c="$c " ;; + esac + array[$#array+1]=${c#"$colon_word"} + done + + compset -P '*[=:]' + compadd -Q -S '' -a -- array && _ret=0 + } + + _perf () + { + local _ret=1 cur cword prev + cur=${words[CURRENT]} + prev=${words[CURRENT-1]} + let cword=CURRENT-1 + emulate ksh -c __perf_main + let _ret && _default && _ret=0 + return _ret + } + + compdef _perf perf + return +fi + +type perf &>/dev/null && +_perf() +{ + local cur words cword prev + _get_comp_words_by_ref -n =: cur words cword prev + __perf_main } && complete -o bashdefault -o default -o nospace -F _perf perf 2>/dev/null \ diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h new file mode 100644 index 00000000000..5268a1481d2 --- /dev/null +++ b/tools/perf/perf-sys.h @@ -0,0 +1,190 @@ +#ifndef _PERF_SYS_H +#define _PERF_SYS_H + +#include <unistd.h> +#include <sys/types.h> +#include <sys/syscall.h> +#include <linux/types.h> +#include <linux/perf_event.h> +#include <asm/unistd.h> + +#if defined(__i386__) +#define mb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") +#define wmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") +#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") +#define cpu_relax() asm volatile("rep; nop" ::: "memory"); +#define CPUINFO_PROC "model name" +#ifndef __NR_perf_event_open +# define __NR_perf_event_open 336 +#endif +#ifndef __NR_futex +# define __NR_futex 240 +#endif +#ifndef __NR_gettid +# define __NR_gettid 224 +#endif +#endif + +#if defined(__x86_64__) +#define mb() asm volatile("mfence" ::: "memory") +#define wmb() asm volatile("sfence" ::: "memory") +#define rmb() asm volatile("lfence" ::: "memory") +#define cpu_relax() asm volatile("rep; nop" ::: "memory"); +#define CPUINFO_PROC "model name" +#ifndef __NR_perf_event_open +# define __NR_perf_event_open 298 +#endif +#ifndef __NR_futex +# define __NR_futex 202 +#endif +#ifndef __NR_gettid +# define __NR_gettid 186 +#endif +#endif + +#ifdef __powerpc__ +#include "../../arch/powerpc/include/uapi/asm/unistd.h" +#define mb() asm volatile ("sync" ::: "memory") +#define wmb() asm volatile ("sync" ::: "memory") +#define rmb() asm volatile ("sync" ::: "memory") +#define CPUINFO_PROC "cpu" +#endif + +#ifdef __s390__ +#define mb() asm volatile("bcr 15,0" ::: "memory") +#define wmb() asm volatile("bcr 15,0" ::: "memory") +#define rmb() asm volatile("bcr 15,0" ::: "memory") +#endif + +#ifdef __sh__ +#if defined(__SH4A__) || defined(__SH5__) +# define mb() asm volatile("synco" ::: "memory") +# define wmb() asm volatile("synco" ::: "memory") +# define rmb() asm volatile("synco" ::: "memory") +#else +# define mb() asm volatile("" ::: "memory") +# define wmb() asm volatile("" ::: "memory") +# define rmb() asm volatile("" ::: "memory") +#endif +#define CPUINFO_PROC "cpu type" +#endif + +#ifdef __hppa__ +#define mb() asm volatile("" ::: "memory") +#define wmb() asm volatile("" ::: "memory") +#define rmb() asm volatile("" ::: "memory") +#define CPUINFO_PROC "cpu" +#endif + +#ifdef __sparc__ +#ifdef __LP64__ +#define mb() asm volatile("ba,pt %%xcc, 1f\n" \ + "membar #StoreLoad\n" \ + "1:\n":::"memory") +#else +#define mb() asm volatile("":::"memory") +#endif +#define wmb() asm volatile("":::"memory") +#define rmb() asm volatile("":::"memory") +#define CPUINFO_PROC "cpu" +#endif + +#ifdef __alpha__ +#define mb() asm volatile("mb" ::: "memory") +#define wmb() asm volatile("wmb" ::: "memory") +#define rmb() asm volatile("mb" ::: "memory") +#define CPUINFO_PROC "cpu model" +#endif + +#ifdef __ia64__ +#define mb() asm volatile ("mf" ::: "memory") +#define wmb() asm volatile ("mf" ::: "memory") +#define rmb() asm volatile ("mf" ::: "memory") +#define cpu_relax() asm volatile ("hint @pause" ::: "memory") +#define CPUINFO_PROC "model name" +#endif + +#ifdef __arm__ +/* + * Use the __kuser_memory_barrier helper in the CPU helper page. See + * arch/arm/kernel/entry-armv.S in the kernel source for details. + */ +#define mb() ((void(*)(void))0xffff0fa0)() +#define wmb() ((void(*)(void))0xffff0fa0)() +#define rmb() ((void(*)(void))0xffff0fa0)() +#define CPUINFO_PROC "Processor" +#endif + +#ifdef __aarch64__ +#define mb() asm volatile("dmb ish" ::: "memory") +#define wmb() asm volatile("dmb ishst" ::: "memory") +#define rmb() asm volatile("dmb ishld" ::: "memory") +#define cpu_relax() asm volatile("yield" ::: "memory") +#endif + +#ifdef __mips__ +#define mb() asm volatile( \ + ".set mips2\n\t" \ + "sync\n\t" \ + ".set mips0" \ + : /* no output */ \ + : /* no input */ \ + : "memory") +#define wmb() mb() +#define rmb() mb() +#define CPUINFO_PROC "cpu model" +#endif + +#ifdef __arc__ +#define mb() asm volatile("" ::: "memory") +#define wmb() asm volatile("" ::: "memory") +#define rmb() asm volatile("" ::: "memory") +#define CPUINFO_PROC "Processor" +#endif + +#ifdef __metag__ +#define mb() asm volatile("" ::: "memory") +#define wmb() asm volatile("" ::: "memory") +#define rmb() asm volatile("" ::: "memory") +#define CPUINFO_PROC "CPU" +#endif + +#ifdef __xtensa__ +#define mb() asm volatile("memw" ::: "memory") +#define wmb() asm volatile("memw" ::: "memory") +#define rmb() asm volatile("" ::: "memory") +#define CPUINFO_PROC "core ID" +#endif + +#ifdef __tile__ +#define mb() asm volatile ("mf" ::: "memory") +#define wmb() asm volatile ("mf" ::: "memory") +#define rmb() asm volatile ("mf" ::: "memory") +#define cpu_relax() asm volatile ("mfspr zero, PASS" ::: "memory") +#define CPUINFO_PROC "model name" +#endif + +#define barrier() asm volatile ("" ::: "memory") + +#ifndef cpu_relax +#define cpu_relax() barrier() +#endif + +static inline int +sys_perf_event_open(struct perf_event_attr *attr, + pid_t pid, int cpu, int group_fd, + unsigned long flags) +{ + int fd; + + fd = syscall(__NR_perf_event_open, attr, pid, cpu, + group_fd, flags); + +#ifdef HAVE_ATTR_TEST + if (unlikely(test_attr__enabled)) + test_attr__open(attr, pid, cpu, fd, group_fd, flags); +#endif + return fd; +} + +#endif /* _PERF_SYS_H */ diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 8b38b4e80ec..95c58fc1528 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -13,7 +13,7 @@ #include "util/quote.h" #include "util/run-command.h" #include "util/parse-events.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include <pthread.h> const char perf_usage_string[] = @@ -458,6 +458,7 @@ int main(int argc, const char **argv) /* The page_size is placed in util object. */ page_size = sysconf(_SC_PAGE_SIZE); + cacheline_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE); cmd = perf_extract_argv0_path(argv[0]); if (!cmd) @@ -481,14 +482,18 @@ int main(int argc, const char **argv) fprintf(stderr, "cannot handle %s internally", cmd); goto out; } -#ifdef HAVE_LIBAUDIT_SUPPORT if (!prefixcmp(cmd, "trace")) { +#ifdef HAVE_LIBAUDIT_SUPPORT set_buildid_dir(); setup_path(); argv[0] = "trace"; return cmd_trace(argc, argv, NULL); - } +#else + fprintf(stderr, + "trace command not available: missing audit-libs devel package at build time.\n"); + goto out; #endif + } /* Look for flags.. */ argv++; argc--; diff --git a/tools/perf/perf.h b/tools/perf/perf.h index b079304bd53..510c65f7285 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -1,161 +1,18 @@ #ifndef _PERF_PERF_H #define _PERF_PERF_H -#include <asm/unistd.h> - -#if defined(__i386__) -#define mb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") -#define wmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") -#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") -#define cpu_relax() asm volatile("rep; nop" ::: "memory"); -#define CPUINFO_PROC "model name" -#ifndef __NR_perf_event_open -# define __NR_perf_event_open 336 -#endif -#endif - -#if defined(__x86_64__) -#define mb() asm volatile("mfence" ::: "memory") -#define wmb() asm volatile("sfence" ::: "memory") -#define rmb() asm volatile("lfence" ::: "memory") -#define cpu_relax() asm volatile("rep; nop" ::: "memory"); -#define CPUINFO_PROC "model name" -#ifndef __NR_perf_event_open -# define __NR_perf_event_open 298 -#endif -#endif - -#ifdef __powerpc__ -#include "../../arch/powerpc/include/uapi/asm/unistd.h" -#define mb() asm volatile ("sync" ::: "memory") -#define wmb() asm volatile ("sync" ::: "memory") -#define rmb() asm volatile ("sync" ::: "memory") -#define CPUINFO_PROC "cpu" -#endif - -#ifdef __s390__ -#define mb() asm volatile("bcr 15,0" ::: "memory") -#define wmb() asm volatile("bcr 15,0" ::: "memory") -#define rmb() asm volatile("bcr 15,0" ::: "memory") -#endif - -#ifdef __sh__ -#if defined(__SH4A__) || defined(__SH5__) -# define mb() asm volatile("synco" ::: "memory") -# define wmb() asm volatile("synco" ::: "memory") -# define rmb() asm volatile("synco" ::: "memory") -#else -# define mb() asm volatile("" ::: "memory") -# define wmb() asm volatile("" ::: "memory") -# define rmb() asm volatile("" ::: "memory") -#endif -#define CPUINFO_PROC "cpu type" -#endif - -#ifdef __hppa__ -#define mb() asm volatile("" ::: "memory") -#define wmb() asm volatile("" ::: "memory") -#define rmb() asm volatile("" ::: "memory") -#define CPUINFO_PROC "cpu" -#endif - -#ifdef __sparc__ -#ifdef __LP64__ -#define mb() asm volatile("ba,pt %%xcc, 1f\n" \ - "membar #StoreLoad\n" \ - "1:\n":::"memory") -#else -#define mb() asm volatile("":::"memory") -#endif -#define wmb() asm volatile("":::"memory") -#define rmb() asm volatile("":::"memory") -#define CPUINFO_PROC "cpu" -#endif - -#ifdef __alpha__ -#define mb() asm volatile("mb" ::: "memory") -#define wmb() asm volatile("wmb" ::: "memory") -#define rmb() asm volatile("mb" ::: "memory") -#define CPUINFO_PROC "cpu model" -#endif - -#ifdef __ia64__ -#define mb() asm volatile ("mf" ::: "memory") -#define wmb() asm volatile ("mf" ::: "memory") -#define rmb() asm volatile ("mf" ::: "memory") -#define cpu_relax() asm volatile ("hint @pause" ::: "memory") -#define CPUINFO_PROC "model name" -#endif - -#ifdef __arm__ -/* - * Use the __kuser_memory_barrier helper in the CPU helper page. See - * arch/arm/kernel/entry-armv.S in the kernel source for details. - */ -#define mb() ((void(*)(void))0xffff0fa0)() -#define wmb() ((void(*)(void))0xffff0fa0)() -#define rmb() ((void(*)(void))0xffff0fa0)() -#define CPUINFO_PROC "Processor" -#endif - -#ifdef __aarch64__ -#define mb() asm volatile("dmb ish" ::: "memory") -#define wmb() asm volatile("dmb ishld" ::: "memory") -#define rmb() asm volatile("dmb ishst" ::: "memory") -#define cpu_relax() asm volatile("yield" ::: "memory") -#endif - -#ifdef __mips__ -#define mb() asm volatile( \ - ".set mips2\n\t" \ - "sync\n\t" \ - ".set mips0" \ - : /* no output */ \ - : /* no input */ \ - : "memory") -#define wmb() mb() -#define rmb() mb() -#define CPUINFO_PROC "cpu model" -#endif - -#ifdef __arc__ -#define mb() asm volatile("" ::: "memory") -#define wmb() asm volatile("" ::: "memory") -#define rmb() asm volatile("" ::: "memory") -#define CPUINFO_PROC "Processor" -#endif - -#ifdef __metag__ -#define mb() asm volatile("" ::: "memory") -#define wmb() asm volatile("" ::: "memory") -#define rmb() asm volatile("" ::: "memory") -#define CPUINFO_PROC "CPU" -#endif - -#define barrier() asm volatile ("" ::: "memory") - -#ifndef cpu_relax -#define cpu_relax() barrier() -#endif - -#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) - - #include <time.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/syscall.h> - -#include <linux/perf_event.h> -#include "util/types.h" #include <stdbool.h> +#include <linux/types.h> +#include <linux/perf_event.h> -/* - * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all - * counters in the current task. - */ -#define PR_TASK_PERF_EVENTS_DISABLE 31 -#define PR_TASK_PERF_EVENTS_ENABLE 32 +extern bool test_attr__enabled; +void test_attr__init(void); +void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, + int fd, int group_fd, unsigned long flags); + +#define HAVE_ATTR_TEST +#include "perf-sys.h" #ifndef NSEC_PER_SEC # define NSEC_PER_SEC 1000000000ULL @@ -172,67 +29,8 @@ static inline unsigned long long rdclock(void) return ts.tv_sec * 1000000000ULL + ts.tv_nsec; } -/* - * Pick up some kernel type conventions: - */ -#define __user -#define asmlinkage - -#define unlikely(x) __builtin_expect(!!(x), 0) -#define min(x, y) ({ \ - typeof(x) _min1 = (x); \ - typeof(y) _min2 = (y); \ - (void) (&_min1 == &_min2); \ - _min1 < _min2 ? _min1 : _min2; }) - -extern bool test_attr__enabled; -void test_attr__init(void); -void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, - int fd, int group_fd, unsigned long flags); - -static inline int -sys_perf_event_open(struct perf_event_attr *attr, - pid_t pid, int cpu, int group_fd, - unsigned long flags) -{ - int fd; - - fd = syscall(__NR_perf_event_open, attr, pid, cpu, - group_fd, flags); - - if (unlikely(test_attr__enabled)) - test_attr__open(attr, pid, cpu, fd, group_fd, flags); - - return fd; -} - -#define MAX_COUNTERS 256 #define MAX_NR_CPUS 256 -struct ip_callchain { - u64 nr; - u64 ips[0]; -}; - -struct branch_flags { - u64 mispred:1; - u64 predicted:1; - u64 in_tx:1; - u64 abort:1; - u64 reserved:60; -}; - -struct branch_entry { - u64 from; - u64 to; - struct branch_flags flags; -}; - -struct branch_stack { - u64 nr; - struct branch_entry entries[0]; -}; - extern const char *input_name; extern bool perf_host, perf_guest; extern const char perf_version_string[]; @@ -241,19 +39,15 @@ void pthread__unblock_sigwinch(void); #include "util/target.h" -enum perf_call_graph_mode { - CALLCHAIN_NONE, - CALLCHAIN_FP, - CALLCHAIN_DWARF -}; - -struct perf_record_opts { +struct record_opts { struct target target; int call_graph; + bool call_graph_enabled; bool group; bool inherit_stat; - bool no_delay; + bool no_buffering; bool no_inherit; + bool no_inherit_set; bool no_samples; bool raw_samples; bool sample_address; @@ -268,6 +62,7 @@ struct perf_record_opts { u64 user_interval; u16 stack_dump_size; bool sample_transaction; + unsigned initial_delay; }; #endif diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c index 00218f503b2..2dfc9ad0e6f 100644 --- a/tools/perf/tests/attr.c +++ b/tools/perf/tests/attr.c @@ -1,4 +1,3 @@ - /* * The struct perf_event_attr test support. * @@ -19,14 +18,8 @@ * permissions. All the event text files are stored there. */ -/* - * Powerpc needs __SANE_USERSPACE_TYPES__ before <linux/types.h> to select - * 'int-ll64.h' and avoid compile warnings when printing __u64 with %llu. - */ -#define __SANE_USERSPACE_TYPES__ #include <stdlib.h> #include <stdio.h> -#include <inttypes.h> #include <linux/types.h> #include <linux/kernel.h> #include "../perf.h" diff --git a/tools/perf/tests/attr/test-record-no-inherit b/tools/perf/tests/attr/test-record-no-inherit index 9079a25cd64..44edcb2edcd 100644 --- a/tools/perf/tests/attr/test-record-no-inherit +++ b/tools/perf/tests/attr/test-record-no-inherit @@ -3,5 +3,5 @@ command = record args = -i kill >/dev/null 2>&1 [event:base-record] -sample_type=259 +sample_type=263 inherit=0 diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 1e67437fb4c..6f8b01bc603 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -3,6 +3,8 @@ * * Builtin regression testing command: ever growing number of sanity tests */ +#include <unistd.h> +#include <string.h> #include "builtin.h" #include "intlist.h" #include "tests.h" @@ -50,10 +52,18 @@ static struct test { .func = test__pmu, }, { - .desc = "Test dso data interface", + .desc = "Test dso data read", .func = test__dso_data, }, { + .desc = "Test dso data cache", + .func = test__dso_data_cache, + }, + { + .desc = "Test dso data reopen", + .func = test__dso_data_reopen, + }, + { .desc = "roundtrip evsel->name check", .func = test__perf_evsel__roundtrip_name_test, }, @@ -115,6 +125,34 @@ static struct test { .desc = "Test parsing with no sample_id_all bit set", .func = test__parse_no_sample_id_all, }, +#if defined(__x86_64__) || defined(__i386__) || defined(__arm__) +#ifdef HAVE_DWARF_UNWIND_SUPPORT + { + .desc = "Test dwarf unwind", + .func = test__dwarf_unwind, + }, +#endif +#endif + { + .desc = "Test filtering hist entries", + .func = test__hists_filter, + }, + { + .desc = "Test mmap thread lookup", + .func = test__mmap_thread_lookup, + }, + { + .desc = "Test thread mg sharing", + .func = test__thread_mg_share, + }, + { + .desc = "Test output sorting of hist entries", + .func = test__hists_output, + }, + { + .desc = "Test cumulation of child hist entries", + .func = test__hists_cumulate, + }, { .func = NULL, }, @@ -144,6 +182,34 @@ static bool perf_test__matches(int curr, int argc, const char *argv[]) return false; } +static int run_test(struct test *test) +{ + int status, err = -1, child = fork(); + + if (child < 0) { + pr_err("failed to fork test: %s\n", strerror(errno)); + return -1; + } + + if (!child) { + pr_debug("test child forked, pid %d\n", getpid()); + err = test->func(); + exit(err); + } + + wait(&status); + + if (WIFEXITED(status)) { + err = WEXITSTATUS(status); + pr_debug("test child finished with %d\n", err); + } else if (WIFSIGNALED(status)) { + err = -1; + pr_debug("test child interrupted\n"); + } + + return err; +} + static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) { int i = 0; @@ -172,7 +238,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) } pr_debug("\n--- start ---\n"); - err = tests[curr].func(); + err = run_test(&tests[curr]); pr_debug("---- end ----\n%s:", tests[curr].desc); switch (err) { diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 85d4919dd62..67f2d632355 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -1,8 +1,7 @@ -#include <sys/types.h> +#include <linux/types.h> #include <stdlib.h> #include <unistd.h> #include <stdio.h> -#include <inttypes.h> #include <ctype.h> #include <string.h> @@ -257,7 +256,7 @@ static int process_sample_event(struct machine *machine, return -1; } - thread = machine__findnew_thread(machine, sample.pid, sample.pid); + thread = machine__findnew_thread(machine, sample.pid, sample.tid); if (!thread) { pr_debug("machine__findnew_thread failed\n"); return -1; @@ -391,7 +390,7 @@ static int do_test_code_reading(bool try_kcore) struct machines machines; struct machine *machine; struct thread *thread; - struct perf_record_opts opts = { + struct record_opts opts = { .mmap_pages = UINT_MAX, .user_freq = UINT_MAX, .user_interval = ULLONG_MAX, @@ -504,6 +503,7 @@ static int do_test_code_reading(bool try_kcore) if (ret < 0) { if (!excl_kernel) { excl_kernel = true; + perf_evlist__set_maps(evlist, NULL, NULL); perf_evlist__delete(evlist); evlist = NULL; continue; @@ -540,14 +540,11 @@ static int do_test_code_reading(bool try_kcore) err = TEST_CODE_READING_OK; out_err: if (evlist) { - perf_evlist__munmap(evlist); - perf_evlist__close(evlist); perf_evlist__delete(evlist); - } - if (cpus) + } else { cpu_map__delete(cpus); - if (threads) thread_map__delete(threads); + } machines__destroy_kernel_maps(&machines); machine__delete_threads(machine); machines__exit(&machines); diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c index 9cc81a3eb9b..630808cd7cc 100644 --- a/tools/perf/tests/dso-data.c +++ b/tools/perf/tests/dso-data.c @@ -1,22 +1,27 @@ -#include "util.h" - #include <stdlib.h> -#include <sys/types.h> +#include <linux/types.h> #include <sys/stat.h> #include <fcntl.h> #include <string.h> - +#include <sys/time.h> +#include <sys/resource.h> +#include <api/fs/fs.h> +#include "util.h" #include "machine.h" #include "symbol.h" #include "tests.h" static char *test_file(int size) { - static char buf_templ[] = "/tmp/test-XXXXXX"; +#define TEMPL "/tmp/perf-test-XXXXXX" + static char buf_templ[sizeof(TEMPL)]; char *templ = buf_templ; int fd, i; unsigned char *buf; + strcpy(buf_templ, TEMPL); +#undef TEMPL + fd = mkstemp(templ); if (fd < 0) { perror("mkstemp failed"); @@ -150,3 +155,204 @@ int test__dso_data(void) unlink(file); return 0; } + +static long open_files_cnt(void) +{ + char path[PATH_MAX]; + struct dirent *dent; + DIR *dir; + long nr = 0; + + scnprintf(path, PATH_MAX, "%s/self/fd", procfs__mountpoint()); + pr_debug("fd path: %s\n", path); + + dir = opendir(path); + TEST_ASSERT_VAL("failed to open fd directory", dir); + + while ((dent = readdir(dir)) != NULL) { + if (!strcmp(dent->d_name, ".") || + !strcmp(dent->d_name, "..")) + continue; + + nr++; + } + + closedir(dir); + return nr - 1; +} + +static struct dso **dsos; + +static int dsos__create(int cnt, int size) +{ + int i; + + dsos = malloc(sizeof(dsos) * cnt); + TEST_ASSERT_VAL("failed to alloc dsos array", dsos); + + for (i = 0; i < cnt; i++) { + char *file; + + file = test_file(size); + TEST_ASSERT_VAL("failed to get dso file", file); + + dsos[i] = dso__new(file); + TEST_ASSERT_VAL("failed to get dso", dsos[i]); + } + + return 0; +} + +static void dsos__delete(int cnt) +{ + int i; + + for (i = 0; i < cnt; i++) { + struct dso *dso = dsos[i]; + + unlink(dso->name); + dso__delete(dso); + } + + free(dsos); +} + +static int set_fd_limit(int n) +{ + struct rlimit rlim; + + if (getrlimit(RLIMIT_NOFILE, &rlim)) + return -1; + + pr_debug("file limit %ld, new %d\n", (long) rlim.rlim_cur, n); + + rlim.rlim_cur = n; + return setrlimit(RLIMIT_NOFILE, &rlim); +} + +int test__dso_data_cache(void) +{ + struct machine machine; + long nr_end, nr = open_files_cnt(); + int dso_cnt, limit, i, fd; + + memset(&machine, 0, sizeof(machine)); + + /* set as system limit */ + limit = nr * 4; + TEST_ASSERT_VAL("failed to set file limit", !set_fd_limit(limit)); + + /* and this is now our dso open FDs limit + 1 extra */ + dso_cnt = limit / 2 + 1; + TEST_ASSERT_VAL("failed to create dsos\n", + !dsos__create(dso_cnt, TEST_FILE_SIZE)); + + for (i = 0; i < (dso_cnt - 1); i++) { + struct dso *dso = dsos[i]; + + /* + * Open dsos via dso__data_fd or dso__data_read_offset. + * Both opens the data file and keep it open. + */ + if (i % 2) { + fd = dso__data_fd(dso, &machine); + TEST_ASSERT_VAL("failed to get fd", fd > 0); + } else { + #define BUFSIZE 10 + u8 buf[BUFSIZE]; + ssize_t n; + + n = dso__data_read_offset(dso, &machine, 0, buf, BUFSIZE); + TEST_ASSERT_VAL("failed to read dso", n == BUFSIZE); + } + } + + /* open +1 dso over the allowed limit */ + fd = dso__data_fd(dsos[i], &machine); + TEST_ASSERT_VAL("failed to get fd", fd > 0); + + /* should force the first one to be closed */ + TEST_ASSERT_VAL("failed to close dsos[0]", dsos[0]->data.fd == -1); + + /* cleanup everything */ + dsos__delete(dso_cnt); + + /* Make sure we did not leak any file descriptor. */ + nr_end = open_files_cnt(); + pr_debug("nr start %ld, nr stop %ld\n", nr, nr_end); + TEST_ASSERT_VAL("failed leadking files", nr == nr_end); + return 0; +} + +int test__dso_data_reopen(void) +{ + struct machine machine; + long nr_end, nr = open_files_cnt(); + int fd, fd_extra; + +#define dso_0 (dsos[0]) +#define dso_1 (dsos[1]) +#define dso_2 (dsos[2]) + + memset(&machine, 0, sizeof(machine)); + + /* + * Test scenario: + * - create 3 dso objects + * - set process file descriptor limit to current + * files count + 3 + * - test that the first dso gets closed when we + * reach the files count limit + */ + + /* Make sure we are able to open 3 fds anyway */ + TEST_ASSERT_VAL("failed to set file limit", + !set_fd_limit((nr + 3))); + + TEST_ASSERT_VAL("failed to create dsos\n", !dsos__create(3, TEST_FILE_SIZE)); + + /* open dso_0 */ + fd = dso__data_fd(dso_0, &machine); + TEST_ASSERT_VAL("failed to get fd", fd > 0); + + /* open dso_1 */ + fd = dso__data_fd(dso_1, &machine); + TEST_ASSERT_VAL("failed to get fd", fd > 0); + + /* + * open extra file descriptor and we just + * reached the files count limit + */ + fd_extra = open("/dev/null", O_RDONLY); + TEST_ASSERT_VAL("failed to open extra fd", fd_extra > 0); + + /* open dso_2 */ + fd = dso__data_fd(dso_2, &machine); + TEST_ASSERT_VAL("failed to get fd", fd > 0); + + /* + * dso_0 should get closed, because we reached + * the file descriptor limit + */ + TEST_ASSERT_VAL("failed to close dso_0", dso_0->data.fd == -1); + + /* open dso_0 */ + fd = dso__data_fd(dso_0, &machine); + TEST_ASSERT_VAL("failed to get fd", fd > 0); + + /* + * dso_1 should get closed, because we reached + * the file descriptor limit + */ + TEST_ASSERT_VAL("failed to close dso_1", dso_1->data.fd == -1); + + /* cleanup everything */ + close(fd_extra); + dsos__delete(3); + + /* Make sure we did not leak any file descriptor. */ + nr_end = open_files_cnt(); + pr_debug("nr start %ld, nr stop %ld\n", nr, nr_end); + TEST_ASSERT_VAL("failed leadking files", nr == nr_end); + return 0; +} diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c new file mode 100644 index 00000000000..96adb730b74 --- /dev/null +++ b/tools/perf/tests/dwarf-unwind.c @@ -0,0 +1,144 @@ +#include <linux/compiler.h> +#include <linux/types.h> +#include <unistd.h> +#include "tests.h" +#include "debug.h" +#include "machine.h" +#include "event.h" +#include "unwind.h" +#include "perf_regs.h" +#include "map.h" +#include "thread.h" + +static int mmap_handler(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_mmap2_event(machine, event, NULL); +} + +static int init_live_machine(struct machine *machine) +{ + union perf_event event; + pid_t pid = getpid(); + + return perf_event__synthesize_mmap_events(NULL, &event, pid, pid, + mmap_handler, machine, true); +} + +#define MAX_STACK 6 + +static int unwind_entry(struct unwind_entry *entry, void *arg) +{ + unsigned long *cnt = (unsigned long *) arg; + char *symbol = entry->sym ? entry->sym->name : NULL; + static const char *funcs[MAX_STACK] = { + "test__arch_unwind_sample", + "unwind_thread", + "krava_3", + "krava_2", + "krava_1", + "test__dwarf_unwind" + }; + + if (*cnt >= MAX_STACK) { + pr_debug("failed: crossed the max stack value %d\n", MAX_STACK); + return -1; + } + + if (!symbol) { + pr_debug("failed: got unresolved address 0x%" PRIx64 "\n", + entry->ip); + return -1; + } + + pr_debug("got: %s 0x%" PRIx64 "\n", symbol, entry->ip); + return strcmp((const char *) symbol, funcs[(*cnt)++]); +} + +__attribute__ ((noinline)) +static int unwind_thread(struct thread *thread, struct machine *machine) +{ + struct perf_sample sample; + unsigned long cnt = 0; + int err = -1; + + memset(&sample, 0, sizeof(sample)); + + if (test__arch_unwind_sample(&sample, thread)) { + pr_debug("failed to get unwind sample\n"); + goto out; + } + + err = unwind__get_entries(unwind_entry, &cnt, machine, thread, + &sample, MAX_STACK); + if (err) + pr_debug("unwind failed\n"); + else if (cnt != MAX_STACK) { + pr_debug("got wrong number of stack entries %lu != %d\n", + cnt, MAX_STACK); + err = -1; + } + + out: + free(sample.user_stack.data); + free(sample.user_regs.regs); + return err; +} + +__attribute__ ((noinline)) +static int krava_3(struct thread *thread, struct machine *machine) +{ + return unwind_thread(thread, machine); +} + +__attribute__ ((noinline)) +static int krava_2(struct thread *thread, struct machine *machine) +{ + return krava_3(thread, machine); +} + +__attribute__ ((noinline)) +static int krava_1(struct thread *thread, struct machine *machine) +{ + return krava_2(thread, machine); +} + +int test__dwarf_unwind(void) +{ + struct machines machines; + struct machine *machine; + struct thread *thread; + int err = -1; + + machines__init(&machines); + + machine = machines__find(&machines, HOST_KERNEL_ID); + if (!machine) { + pr_err("Could not get machine\n"); + return -1; + } + + if (init_live_machine(machine)) { + pr_err("Could not init machine\n"); + goto out; + } + + if (verbose > 1) + machine__fprintf(machine, stderr); + + thread = machine__find_thread(machine, getpid(), getpid()); + if (!thread) { + pr_err("Could not get thread\n"); + goto out; + } + + err = krava_1(thread, machine); + + out: + machine__delete_threads(machine); + machine__exit(machine); + machines__exit(&machines); + return err; +} diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c index 0197bda9c46..465cdbc345c 100644 --- a/tools/perf/tests/evsel-roundtrip-name.c +++ b/tools/perf/tests/evsel-roundtrip-name.c @@ -79,7 +79,7 @@ static int __perf_evsel__name_array_test(const char *names[], int nr_names) } err = 0; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) { --err; pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]); diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c index 4774f7fbb75..35d7fdb2328 100644 --- a/tools/perf/tests/evsel-tp-sched.c +++ b/tools/perf/tests/evsel-tp-sched.c @@ -74,9 +74,6 @@ int test__perf_evsel__tp_sched_test(void) if (perf_evsel__test_field(evsel, "prio", 4, true)) ret = -1; - if (perf_evsel__test_field(evsel, "success", 4, true)) - ret = -1; - if (perf_evsel__test_field(evsel, "target_cpu", 4, true)) ret = -1; diff --git a/tools/perf/tests/hists_common.c b/tools/perf/tests/hists_common.c new file mode 100644 index 00000000000..a62c0913451 --- /dev/null +++ b/tools/perf/tests/hists_common.c @@ -0,0 +1,209 @@ +#include "perf.h" +#include "util/debug.h" +#include "util/symbol.h" +#include "util/sort.h" +#include "util/evsel.h" +#include "util/evlist.h" +#include "util/machine.h" +#include "util/thread.h" +#include "tests/hists_common.h" + +static struct { + u32 pid; + const char *comm; +} fake_threads[] = { + { FAKE_PID_PERF1, "perf" }, + { FAKE_PID_PERF2, "perf" }, + { FAKE_PID_BASH, "bash" }, +}; + +static struct { + u32 pid; + u64 start; + const char *filename; +} fake_mmap_info[] = { + { FAKE_PID_PERF1, FAKE_MAP_PERF, "perf" }, + { FAKE_PID_PERF1, FAKE_MAP_LIBC, "libc" }, + { FAKE_PID_PERF1, FAKE_MAP_KERNEL, "[kernel]" }, + { FAKE_PID_PERF2, FAKE_MAP_PERF, "perf" }, + { FAKE_PID_PERF2, FAKE_MAP_LIBC, "libc" }, + { FAKE_PID_PERF2, FAKE_MAP_KERNEL, "[kernel]" }, + { FAKE_PID_BASH, FAKE_MAP_BASH, "bash" }, + { FAKE_PID_BASH, FAKE_MAP_LIBC, "libc" }, + { FAKE_PID_BASH, FAKE_MAP_KERNEL, "[kernel]" }, +}; + +struct fake_sym { + u64 start; + u64 length; + const char *name; +}; + +static struct fake_sym perf_syms[] = { + { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" }, + { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "run_command" }, + { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "cmd_record" }, +}; + +static struct fake_sym bash_syms[] = { + { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" }, + { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "xmalloc" }, + { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "xfree" }, +}; + +static struct fake_sym libc_syms[] = { + { 700, 100, "malloc" }, + { 800, 100, "free" }, + { 900, 100, "realloc" }, + { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "malloc" }, + { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "free" }, + { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "realloc" }, +}; + +static struct fake_sym kernel_syms[] = { + { FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "schedule" }, + { FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "page_fault" }, + { FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "sys_perf_event_open" }, +}; + +static struct { + const char *dso_name; + struct fake_sym *syms; + size_t nr_syms; +} fake_symbols[] = { + { "perf", perf_syms, ARRAY_SIZE(perf_syms) }, + { "bash", bash_syms, ARRAY_SIZE(bash_syms) }, + { "libc", libc_syms, ARRAY_SIZE(libc_syms) }, + { "[kernel]", kernel_syms, ARRAY_SIZE(kernel_syms) }, +}; + +struct machine *setup_fake_machine(struct machines *machines) +{ + struct machine *machine = machines__find(machines, HOST_KERNEL_ID); + size_t i; + + if (machine == NULL) { + pr_debug("Not enough memory for machine setup\n"); + return NULL; + } + + for (i = 0; i < ARRAY_SIZE(fake_threads); i++) { + struct thread *thread; + + thread = machine__findnew_thread(machine, fake_threads[i].pid, + fake_threads[i].pid); + if (thread == NULL) + goto out; + + thread__set_comm(thread, fake_threads[i].comm, 0); + } + + for (i = 0; i < ARRAY_SIZE(fake_mmap_info); i++) { + union perf_event fake_mmap_event = { + .mmap = { + .header = { .misc = PERF_RECORD_MISC_USER, }, + .pid = fake_mmap_info[i].pid, + .tid = fake_mmap_info[i].pid, + .start = fake_mmap_info[i].start, + .len = FAKE_MAP_LENGTH, + .pgoff = 0ULL, + }, + }; + + strcpy(fake_mmap_event.mmap.filename, + fake_mmap_info[i].filename); + + machine__process_mmap_event(machine, &fake_mmap_event, NULL); + } + + for (i = 0; i < ARRAY_SIZE(fake_symbols); i++) { + size_t k; + struct dso *dso; + + dso = __dsos__findnew(&machine->user_dsos, + fake_symbols[i].dso_name); + if (dso == NULL) + goto out; + + /* emulate dso__load() */ + dso__set_loaded(dso, MAP__FUNCTION); + + for (k = 0; k < fake_symbols[i].nr_syms; k++) { + struct symbol *sym; + struct fake_sym *fsym = &fake_symbols[i].syms[k]; + + sym = symbol__new(fsym->start, fsym->length, + STB_GLOBAL, fsym->name); + if (sym == NULL) + goto out; + + symbols__insert(&dso->symbols[MAP__FUNCTION], sym); + } + } + + return machine; + +out: + pr_debug("Not enough memory for machine setup\n"); + machine__delete_threads(machine); + machine__delete(machine); + return NULL; +} + +void print_hists_in(struct hists *hists) +{ + int i = 0; + struct rb_root *root; + struct rb_node *node; + + if (sort__need_collapse) + root = &hists->entries_collapsed; + else + root = hists->entries_in; + + pr_info("----- %s --------\n", __func__); + node = rb_first(root); + while (node) { + struct hist_entry *he; + + he = rb_entry(node, struct hist_entry, rb_node_in); + + if (!he->filtered) { + pr_info("%2d: entry: %-8s [%-8s] %20s: period = %"PRIu64"\n", + i, thread__comm_str(he->thread), + he->ms.map->dso->short_name, + he->ms.sym->name, he->stat.period); + } + + i++; + node = rb_next(node); + } +} + +void print_hists_out(struct hists *hists) +{ + int i = 0; + struct rb_root *root; + struct rb_node *node; + + root = &hists->entries; + + pr_info("----- %s --------\n", __func__); + node = rb_first(root); + while (node) { + struct hist_entry *he; + + he = rb_entry(node, struct hist_entry, rb_node); + + if (!he->filtered) { + pr_info("%2d: entry: %8s:%5d [%-8s] %20s: period = %"PRIu64"/%"PRIu64"\n", + i, thread__comm_str(he->thread), he->thread->tid, + he->ms.map->dso->short_name, + he->ms.sym->name, he->stat.period, + he->stat_acc ? he->stat_acc->period : 0); + } + + i++; + node = rb_next(node); + } +} diff --git a/tools/perf/tests/hists_common.h b/tools/perf/tests/hists_common.h new file mode 100644 index 00000000000..888254e8665 --- /dev/null +++ b/tools/perf/tests/hists_common.h @@ -0,0 +1,75 @@ +#ifndef __PERF_TESTS__HISTS_COMMON_H__ +#define __PERF_TESTS__HISTS_COMMON_H__ + +struct machine; +struct machines; + +#define FAKE_PID_PERF1 100 +#define FAKE_PID_PERF2 200 +#define FAKE_PID_BASH 300 + +#define FAKE_MAP_PERF 0x400000 +#define FAKE_MAP_BASH 0x400000 +#define FAKE_MAP_LIBC 0x500000 +#define FAKE_MAP_KERNEL 0xf00000 +#define FAKE_MAP_LENGTH 0x100000 + +#define FAKE_SYM_OFFSET1 700 +#define FAKE_SYM_OFFSET2 800 +#define FAKE_SYM_OFFSET3 900 +#define FAKE_SYM_LENGTH 100 + +#define FAKE_IP_PERF_MAIN FAKE_MAP_PERF + FAKE_SYM_OFFSET1 +#define FAKE_IP_PERF_RUN_COMMAND FAKE_MAP_PERF + FAKE_SYM_OFFSET2 +#define FAKE_IP_PERF_CMD_RECORD FAKE_MAP_PERF + FAKE_SYM_OFFSET3 +#define FAKE_IP_BASH_MAIN FAKE_MAP_BASH + FAKE_SYM_OFFSET1 +#define FAKE_IP_BASH_XMALLOC FAKE_MAP_BASH + FAKE_SYM_OFFSET2 +#define FAKE_IP_BASH_XFREE FAKE_MAP_BASH + FAKE_SYM_OFFSET3 +#define FAKE_IP_LIBC_MALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET1 +#define FAKE_IP_LIBC_FREE FAKE_MAP_LIBC + FAKE_SYM_OFFSET2 +#define FAKE_IP_LIBC_REALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET3 +#define FAKE_IP_KERNEL_SCHEDULE FAKE_MAP_KERNEL + FAKE_SYM_OFFSET1 +#define FAKE_IP_KERNEL_PAGE_FAULT FAKE_MAP_KERNEL + FAKE_SYM_OFFSET2 +#define FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN FAKE_MAP_KERNEL + FAKE_SYM_OFFSET3 + +/* + * The setup_fake_machine() provides a test environment which consists + * of 3 processes that have 3 mappings and in turn, have 3 symbols + * respectively. See below table: + * + * Command: Pid Shared Object Symbol + * ............. ............. ................... + * perf: 100 perf main + * perf: 100 perf run_command + * perf: 100 perf cmd_record + * perf: 100 libc malloc + * perf: 100 libc free + * perf: 100 libc realloc + * perf: 100 [kernel] schedule + * perf: 100 [kernel] page_fault + * perf: 100 [kernel] sys_perf_event_open + * perf: 200 perf main + * perf: 200 perf run_command + * perf: 200 perf cmd_record + * perf: 200 libc malloc + * perf: 200 libc free + * perf: 200 libc realloc + * perf: 200 [kernel] schedule + * perf: 200 [kernel] page_fault + * perf: 200 [kernel] sys_perf_event_open + * bash: 300 bash main + * bash: 300 bash xmalloc + * bash: 300 bash xfree + * bash: 300 libc malloc + * bash: 300 libc free + * bash: 300 libc realloc + * bash: 300 [kernel] schedule + * bash: 300 [kernel] page_fault + * bash: 300 [kernel] sys_perf_event_open + */ +struct machine *setup_fake_machine(struct machines *machines); + +void print_hists_in(struct hists *hists); +void print_hists_out(struct hists *hists); + +#endif /* __PERF_TESTS__HISTS_COMMON_H__ */ diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c new file mode 100644 index 00000000000..0ac240db2e2 --- /dev/null +++ b/tools/perf/tests/hists_cumulate.c @@ -0,0 +1,726 @@ +#include "perf.h" +#include "util/debug.h" +#include "util/symbol.h" +#include "util/sort.h" +#include "util/evsel.h" +#include "util/evlist.h" +#include "util/machine.h" +#include "util/thread.h" +#include "util/parse-events.h" +#include "tests/tests.h" +#include "tests/hists_common.h" + +struct sample { + u32 pid; + u64 ip; + struct thread *thread; + struct map *map; + struct symbol *sym; +}; + +/* For the numbers, see hists_common.c */ +static struct sample fake_samples[] = { + /* perf [kernel] schedule() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, + /* perf [perf] main() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, }, + /* perf [perf] cmd_record() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, }, + /* perf [libc] malloc() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, + /* perf [libc] free() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, }, + /* perf [perf] main() */ + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, + /* perf [kernel] page_fault() */ + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, + /* bash [bash] main() */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, }, + /* bash [bash] xmalloc() */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, + /* bash [kernel] page_fault() */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, +}; + +/* + * Will be casted to struct ip_callchain which has all 64 bit entries + * of nr and ips[]. + */ +static u64 fake_callchains[][10] = { + /* schedule => run_command => main */ + { 3, FAKE_IP_KERNEL_SCHEDULE, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, + /* main */ + { 1, FAKE_IP_PERF_MAIN, }, + /* cmd_record => run_command => main */ + { 3, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, + /* malloc => cmd_record => run_command => main */ + { 4, FAKE_IP_LIBC_MALLOC, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, + FAKE_IP_PERF_MAIN, }, + /* free => cmd_record => run_command => main */ + { 4, FAKE_IP_LIBC_FREE, FAKE_IP_PERF_CMD_RECORD, FAKE_IP_PERF_RUN_COMMAND, + FAKE_IP_PERF_MAIN, }, + /* main */ + { 1, FAKE_IP_PERF_MAIN, }, + /* page_fault => sys_perf_event_open => run_command => main */ + { 4, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN, + FAKE_IP_PERF_RUN_COMMAND, FAKE_IP_PERF_MAIN, }, + /* main */ + { 1, FAKE_IP_BASH_MAIN, }, + /* xmalloc => malloc => xmalloc => malloc => xmalloc => main */ + { 6, FAKE_IP_BASH_XMALLOC, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, + FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_XMALLOC, FAKE_IP_BASH_MAIN, }, + /* page_fault => malloc => main */ + { 3, FAKE_IP_KERNEL_PAGE_FAULT, FAKE_IP_LIBC_MALLOC, FAKE_IP_BASH_MAIN, }, +}; + +static int add_hist_entries(struct hists *hists, struct machine *machine) +{ + struct addr_location al; + struct perf_evsel *evsel = hists_to_evsel(hists); + struct perf_sample sample = { .period = 1000, }; + size_t i; + + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { + const union perf_event event = { + .header = { + .misc = PERF_RECORD_MISC_USER, + }, + }; + struct hist_entry_iter iter = { + .hide_unresolved = false, + }; + + if (symbol_conf.cumulate_callchain) + iter.ops = &hist_iter_cumulative; + else + iter.ops = &hist_iter_normal; + + sample.pid = fake_samples[i].pid; + sample.tid = fake_samples[i].pid; + sample.ip = fake_samples[i].ip; + sample.callchain = (struct ip_callchain *)fake_callchains[i]; + + if (perf_event__preprocess_sample(&event, machine, &al, + &sample) < 0) + goto out; + + if (hist_entry_iter__add(&iter, &al, evsel, &sample, + PERF_MAX_STACK_DEPTH, NULL) < 0) + goto out; + + fake_samples[i].thread = al.thread; + fake_samples[i].map = al.map; + fake_samples[i].sym = al.sym; + } + + return TEST_OK; + +out: + pr_debug("Not enough memory for adding a hist entry\n"); + return TEST_FAIL; +} + +static void del_hist_entries(struct hists *hists) +{ + struct hist_entry *he; + struct rb_root *root_in; + struct rb_root *root_out; + struct rb_node *node; + + if (sort__need_collapse) + root_in = &hists->entries_collapsed; + else + root_in = hists->entries_in; + + root_out = &hists->entries; + + while (!RB_EMPTY_ROOT(root_out)) { + node = rb_first(root_out); + + he = rb_entry(node, struct hist_entry, rb_node); + rb_erase(node, root_out); + rb_erase(&he->rb_node_in, root_in); + hist_entry__free(he); + } +} + +typedef int (*test_fn_t)(struct perf_evsel *, struct machine *); + +#define COMM(he) (thread__comm_str(he->thread)) +#define DSO(he) (he->ms.map->dso->short_name) +#define SYM(he) (he->ms.sym->name) +#define CPU(he) (he->cpu) +#define PID(he) (he->thread->tid) +#define DEPTH(he) (he->callchain->max_depth) +#define CDSO(cl) (cl->ms.map->dso->short_name) +#define CSYM(cl) (cl->ms.sym->name) + +struct result { + u64 children; + u64 self; + const char *comm; + const char *dso; + const char *sym; +}; + +struct callchain_result { + u64 nr; + struct { + const char *dso; + const char *sym; + } node[10]; +}; + +static int do_test(struct hists *hists, struct result *expected, size_t nr_expected, + struct callchain_result *expected_callchain, size_t nr_callchain) +{ + char buf[32]; + size_t i, c; + struct hist_entry *he; + struct rb_root *root; + struct rb_node *node; + struct callchain_node *cnode; + struct callchain_list *clist; + + /* + * adding and deleting hist entries must be done outside of this + * function since TEST_ASSERT_VAL() returns in case of failure. + */ + hists__collapse_resort(hists, NULL); + hists__output_resort(hists); + + if (verbose > 2) { + pr_info("use callchain: %d, cumulate callchain: %d\n", + symbol_conf.use_callchain, + symbol_conf.cumulate_callchain); + print_hists_out(hists); + } + + root = &hists->entries; + for (node = rb_first(root), i = 0; + node && (he = rb_entry(node, struct hist_entry, rb_node)); + node = rb_next(node), i++) { + scnprintf(buf, sizeof(buf), "Invalid hist entry #%zd", i); + + TEST_ASSERT_VAL("Incorrect number of hist entry", + i < nr_expected); + TEST_ASSERT_VAL(buf, he->stat.period == expected[i].self && + !strcmp(COMM(he), expected[i].comm) && + !strcmp(DSO(he), expected[i].dso) && + !strcmp(SYM(he), expected[i].sym)); + + if (symbol_conf.cumulate_callchain) + TEST_ASSERT_VAL(buf, he->stat_acc->period == expected[i].children); + + if (!symbol_conf.use_callchain) + continue; + + /* check callchain entries */ + root = &he->callchain->node.rb_root; + cnode = rb_entry(rb_first(root), struct callchain_node, rb_node); + + c = 0; + list_for_each_entry(clist, &cnode->val, list) { + scnprintf(buf, sizeof(buf), "Invalid callchain entry #%zd/%zd", i, c); + + TEST_ASSERT_VAL("Incorrect number of callchain entry", + c < expected_callchain[i].nr); + TEST_ASSERT_VAL(buf, + !strcmp(CDSO(clist), expected_callchain[i].node[c].dso) && + !strcmp(CSYM(clist), expected_callchain[i].node[c].sym)); + c++; + } + /* TODO: handle multiple child nodes properly */ + TEST_ASSERT_VAL("Incorrect number of callchain entry", + c <= expected_callchain[i].nr); + } + TEST_ASSERT_VAL("Incorrect number of hist entry", + i == nr_expected); + TEST_ASSERT_VAL("Incorrect number of callchain entry", + !symbol_conf.use_callchain || nr_expected == nr_callchain); + return 0; +} + +/* NO callchain + NO children */ +static int test1(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + /* + * expected output: + * + * Overhead Command Shared Object Symbol + * ======== ======= ============= ============== + * 20.00% perf perf [.] main + * 10.00% bash [kernel] [k] page_fault + * 10.00% bash bash [.] main + * 10.00% bash bash [.] xmalloc + * 10.00% perf [kernel] [k] page_fault + * 10.00% perf [kernel] [k] schedule + * 10.00% perf libc [.] free + * 10.00% perf libc [.] malloc + * 10.00% perf perf [.] cmd_record + */ + struct result expected[] = { + { 0, 2000, "perf", "perf", "main" }, + { 0, 1000, "bash", "[kernel]", "page_fault" }, + { 0, 1000, "bash", "bash", "main" }, + { 0, 1000, "bash", "bash", "xmalloc" }, + { 0, 1000, "perf", "[kernel]", "page_fault" }, + { 0, 1000, "perf", "[kernel]", "schedule" }, + { 0, 1000, "perf", "libc", "free" }, + { 0, 1000, "perf", "libc", "malloc" }, + { 0, 1000, "perf", "perf", "cmd_record" }, + }; + + symbol_conf.use_callchain = false; + symbol_conf.cumulate_callchain = false; + + setup_sorting(); + callchain_register_param(&callchain_param); + + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +/* callcain + NO children */ +static int test2(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + /* + * expected output: + * + * Overhead Command Shared Object Symbol + * ======== ======= ============= ============== + * 20.00% perf perf [.] main + * | + * --- main + * + * 10.00% bash [kernel] [k] page_fault + * | + * --- page_fault + * malloc + * main + * + * 10.00% bash bash [.] main + * | + * --- main + * + * 10.00% bash bash [.] xmalloc + * | + * --- xmalloc + * malloc + * xmalloc <--- NOTE: there's a cycle + * malloc + * xmalloc + * main + * + * 10.00% perf [kernel] [k] page_fault + * | + * --- page_fault + * sys_perf_event_open + * run_command + * main + * + * 10.00% perf [kernel] [k] schedule + * | + * --- schedule + * run_command + * main + * + * 10.00% perf libc [.] free + * | + * --- free + * cmd_record + * run_command + * main + * + * 10.00% perf libc [.] malloc + * | + * --- malloc + * cmd_record + * run_command + * main + * + * 10.00% perf perf [.] cmd_record + * | + * --- cmd_record + * run_command + * main + * + */ + struct result expected[] = { + { 0, 2000, "perf", "perf", "main" }, + { 0, 1000, "bash", "[kernel]", "page_fault" }, + { 0, 1000, "bash", "bash", "main" }, + { 0, 1000, "bash", "bash", "xmalloc" }, + { 0, 1000, "perf", "[kernel]", "page_fault" }, + { 0, 1000, "perf", "[kernel]", "schedule" }, + { 0, 1000, "perf", "libc", "free" }, + { 0, 1000, "perf", "libc", "malloc" }, + { 0, 1000, "perf", "perf", "cmd_record" }, + }; + struct callchain_result expected_callchain[] = { + { + 1, { { "perf", "main" }, }, + }, + { + 3, { { "[kernel]", "page_fault" }, + { "libc", "malloc" }, + { "bash", "main" }, }, + }, + { + 1, { { "bash", "main" }, }, + }, + { + 6, { { "bash", "xmalloc" }, + { "libc", "malloc" }, + { "bash", "xmalloc" }, + { "libc", "malloc" }, + { "bash", "xmalloc" }, + { "bash", "main" }, }, + }, + { + 4, { { "[kernel]", "page_fault" }, + { "[kernel]", "sys_perf_event_open" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 3, { { "[kernel]", "schedule" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 4, { { "libc", "free" }, + { "perf", "cmd_record" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 4, { { "libc", "malloc" }, + { "perf", "cmd_record" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 3, { { "perf", "cmd_record" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + }; + + symbol_conf.use_callchain = true; + symbol_conf.cumulate_callchain = false; + + setup_sorting(); + callchain_register_param(&callchain_param); + + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + err = do_test(hists, expected, ARRAY_SIZE(expected), + expected_callchain, ARRAY_SIZE(expected_callchain)); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +/* NO callchain + children */ +static int test3(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + /* + * expected output: + * + * Children Self Command Shared Object Symbol + * ======== ======== ======= ============= ======================= + * 70.00% 20.00% perf perf [.] main + * 50.00% 0.00% perf perf [.] run_command + * 30.00% 10.00% bash bash [.] main + * 30.00% 10.00% perf perf [.] cmd_record + * 20.00% 0.00% bash libc [.] malloc + * 10.00% 10.00% bash [kernel] [k] page_fault + * 10.00% 10.00% perf [kernel] [k] schedule + * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open + * 10.00% 10.00% perf [kernel] [k] page_fault + * 10.00% 10.00% perf libc [.] free + * 10.00% 10.00% perf libc [.] malloc + * 10.00% 10.00% bash bash [.] xmalloc + */ + struct result expected[] = { + { 7000, 2000, "perf", "perf", "main" }, + { 5000, 0, "perf", "perf", "run_command" }, + { 3000, 1000, "bash", "bash", "main" }, + { 3000, 1000, "perf", "perf", "cmd_record" }, + { 2000, 0, "bash", "libc", "malloc" }, + { 1000, 1000, "bash", "[kernel]", "page_fault" }, + { 1000, 1000, "perf", "[kernel]", "schedule" }, + { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, + { 1000, 1000, "perf", "[kernel]", "page_fault" }, + { 1000, 1000, "perf", "libc", "free" }, + { 1000, 1000, "perf", "libc", "malloc" }, + { 1000, 1000, "bash", "bash", "xmalloc" }, + }; + + symbol_conf.use_callchain = false; + symbol_conf.cumulate_callchain = true; + + setup_sorting(); + callchain_register_param(&callchain_param); + + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + err = do_test(hists, expected, ARRAY_SIZE(expected), NULL, 0); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +/* callchain + children */ +static int test4(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + /* + * expected output: + * + * Children Self Command Shared Object Symbol + * ======== ======== ======= ============= ======================= + * 70.00% 20.00% perf perf [.] main + * | + * --- main + * + * 50.00% 0.00% perf perf [.] run_command + * | + * --- run_command + * main + * + * 30.00% 10.00% bash bash [.] main + * | + * --- main + * + * 30.00% 10.00% perf perf [.] cmd_record + * | + * --- cmd_record + * run_command + * main + * + * 20.00% 0.00% bash libc [.] malloc + * | + * --- malloc + * | + * |--50.00%-- xmalloc + * | main + * --50.00%-- main + * + * 10.00% 10.00% bash [kernel] [k] page_fault + * | + * --- page_fault + * malloc + * main + * + * 10.00% 10.00% perf [kernel] [k] schedule + * | + * --- schedule + * run_command + * main + * + * 10.00% 0.00% perf [kernel] [k] sys_perf_event_open + * | + * --- sys_perf_event_open + * run_command + * main + * + * 10.00% 10.00% perf [kernel] [k] page_fault + * | + * --- page_fault + * sys_perf_event_open + * run_command + * main + * + * 10.00% 10.00% perf libc [.] free + * | + * --- free + * cmd_record + * run_command + * main + * + * 10.00% 10.00% perf libc [.] malloc + * | + * --- malloc + * cmd_record + * run_command + * main + * + * 10.00% 10.00% bash bash [.] xmalloc + * | + * --- xmalloc + * malloc + * xmalloc <--- NOTE: there's a cycle + * malloc + * xmalloc + * main + * + */ + struct result expected[] = { + { 7000, 2000, "perf", "perf", "main" }, + { 5000, 0, "perf", "perf", "run_command" }, + { 3000, 1000, "bash", "bash", "main" }, + { 3000, 1000, "perf", "perf", "cmd_record" }, + { 2000, 0, "bash", "libc", "malloc" }, + { 1000, 1000, "bash", "[kernel]", "page_fault" }, + { 1000, 1000, "perf", "[kernel]", "schedule" }, + { 1000, 0, "perf", "[kernel]", "sys_perf_event_open" }, + { 1000, 1000, "perf", "[kernel]", "page_fault" }, + { 1000, 1000, "perf", "libc", "free" }, + { 1000, 1000, "perf", "libc", "malloc" }, + { 1000, 1000, "bash", "bash", "xmalloc" }, + }; + struct callchain_result expected_callchain[] = { + { + 1, { { "perf", "main" }, }, + }, + { + 2, { { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 1, { { "bash", "main" }, }, + }, + { + 3, { { "perf", "cmd_record" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 4, { { "libc", "malloc" }, + { "bash", "xmalloc" }, + { "bash", "main" }, + { "bash", "main" }, }, + }, + { + 3, { { "[kernel]", "page_fault" }, + { "libc", "malloc" }, + { "bash", "main" }, }, + }, + { + 3, { { "[kernel]", "schedule" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 3, { { "[kernel]", "sys_perf_event_open" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 4, { { "[kernel]", "page_fault" }, + { "[kernel]", "sys_perf_event_open" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 4, { { "libc", "free" }, + { "perf", "cmd_record" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 4, { { "libc", "malloc" }, + { "perf", "cmd_record" }, + { "perf", "run_command" }, + { "perf", "main" }, }, + }, + { + 6, { { "bash", "xmalloc" }, + { "libc", "malloc" }, + { "bash", "xmalloc" }, + { "libc", "malloc" }, + { "bash", "xmalloc" }, + { "bash", "main" }, }, + }, + }; + + symbol_conf.use_callchain = true; + symbol_conf.cumulate_callchain = true; + + setup_sorting(); + callchain_register_param(&callchain_param); + + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + err = do_test(hists, expected, ARRAY_SIZE(expected), + expected_callchain, ARRAY_SIZE(expected_callchain)); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +int test__hists_cumulate(void) +{ + int err = TEST_FAIL; + struct machines machines; + struct machine *machine; + struct perf_evsel *evsel; + struct perf_evlist *evlist = perf_evlist__new(); + size_t i; + test_fn_t testcases[] = { + test1, + test2, + test3, + test4, + }; + + TEST_ASSERT_VAL("No memory", evlist); + + err = parse_events(evlist, "cpu-clock"); + if (err) + goto out; + + machines__init(&machines); + + /* setup threads/dso/map/symbols also */ + machine = setup_fake_machine(&machines); + if (!machine) + goto out; + + if (verbose > 1) + machine__fprintf(machine, stderr); + + evsel = perf_evlist__first(evlist); + + for (i = 0; i < ARRAY_SIZE(testcases); i++) { + err = testcases[i](evsel, machine); + if (err < 0) + break; + } + +out: + /* tear down everything */ + perf_evlist__delete(evlist); + machines__exit(&machines); + + return err; +} diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c new file mode 100644 index 00000000000..821f581fd93 --- /dev/null +++ b/tools/perf/tests/hists_filter.c @@ -0,0 +1,289 @@ +#include "perf.h" +#include "util/debug.h" +#include "util/symbol.h" +#include "util/sort.h" +#include "util/evsel.h" +#include "util/evlist.h" +#include "util/machine.h" +#include "util/thread.h" +#include "util/parse-events.h" +#include "tests/tests.h" +#include "tests/hists_common.h" + +struct sample { + u32 pid; + u64 ip; + struct thread *thread; + struct map *map; + struct symbol *sym; +}; + +/* For the numbers, see hists_common.c */ +static struct sample fake_samples[] = { + /* perf [kernel] schedule() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, + /* perf [perf] main() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, }, + /* perf [libc] malloc() */ + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, + /* perf [perf] main() */ + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, /* will be merged */ + /* perf [perf] cmd_record() */ + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, }, + /* perf [kernel] page_fault() */ + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, + /* bash [bash] main() */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, }, + /* bash [bash] xmalloc() */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, + /* bash [libc] malloc() */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, }, + /* bash [kernel] page_fault() */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, +}; + +static int add_hist_entries(struct perf_evlist *evlist, + struct machine *machine __maybe_unused) +{ + struct perf_evsel *evsel; + struct addr_location al; + struct perf_sample sample = { .period = 100, }; + size_t i; + + /* + * each evsel will have 10 samples but the 4th sample + * (perf [perf] main) will be collapsed to an existing entry + * so total 9 entries will be in the tree. + */ + evlist__for_each(evlist, evsel) { + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { + const union perf_event event = { + .header = { + .misc = PERF_RECORD_MISC_USER, + }, + }; + struct hist_entry_iter iter = { + .ops = &hist_iter_normal, + .hide_unresolved = false, + }; + + /* make sure it has no filter at first */ + evsel->hists.thread_filter = NULL; + evsel->hists.dso_filter = NULL; + evsel->hists.symbol_filter_str = NULL; + + sample.pid = fake_samples[i].pid; + sample.tid = fake_samples[i].pid; + sample.ip = fake_samples[i].ip; + + if (perf_event__preprocess_sample(&event, machine, &al, + &sample) < 0) + goto out; + + if (hist_entry_iter__add(&iter, &al, evsel, &sample, + PERF_MAX_STACK_DEPTH, NULL) < 0) + goto out; + + fake_samples[i].thread = al.thread; + fake_samples[i].map = al.map; + fake_samples[i].sym = al.sym; + } + } + + return 0; + +out: + pr_debug("Not enough memory for adding a hist entry\n"); + return TEST_FAIL; +} + +int test__hists_filter(void) +{ + int err = TEST_FAIL; + struct machines machines; + struct machine *machine; + struct perf_evsel *evsel; + struct perf_evlist *evlist = perf_evlist__new(); + + TEST_ASSERT_VAL("No memory", evlist); + + err = parse_events(evlist, "cpu-clock"); + if (err) + goto out; + err = parse_events(evlist, "task-clock"); + if (err) + goto out; + + /* default sort order (comm,dso,sym) will be used */ + if (setup_sorting() < 0) + goto out; + + machines__init(&machines); + + /* setup threads/dso/map/symbols also */ + machine = setup_fake_machine(&machines); + if (!machine) + goto out; + + if (verbose > 1) + machine__fprintf(machine, stderr); + + /* process sample events */ + err = add_hist_entries(evlist, machine); + if (err < 0) + goto out; + + evlist__for_each(evlist, evsel) { + struct hists *hists = &evsel->hists; + + hists__collapse_resort(hists, NULL); + hists__output_resort(hists); + + if (verbose > 2) { + pr_info("Normal histogram\n"); + print_hists_out(hists); + } + + TEST_ASSERT_VAL("Invalid nr samples", + hists->stats.nr_events[PERF_RECORD_SAMPLE] == 10); + TEST_ASSERT_VAL("Invalid nr hist entries", + hists->nr_entries == 9); + TEST_ASSERT_VAL("Invalid total period", + hists->stats.total_period == 1000); + TEST_ASSERT_VAL("Unmatched nr samples", + hists->stats.nr_events[PERF_RECORD_SAMPLE] == + hists->stats.nr_non_filtered_samples); + TEST_ASSERT_VAL("Unmatched nr hist entries", + hists->nr_entries == hists->nr_non_filtered_entries); + TEST_ASSERT_VAL("Unmatched total period", + hists->stats.total_period == + hists->stats.total_non_filtered_period); + + /* now applying thread filter for 'bash' */ + evsel->hists.thread_filter = fake_samples[9].thread; + hists__filter_by_thread(hists); + + if (verbose > 2) { + pr_info("Histogram for thread filter\n"); + print_hists_out(hists); + } + + /* normal stats should be invariant */ + TEST_ASSERT_VAL("Invalid nr samples", + hists->stats.nr_events[PERF_RECORD_SAMPLE] == 10); + TEST_ASSERT_VAL("Invalid nr hist entries", + hists->nr_entries == 9); + TEST_ASSERT_VAL("Invalid total period", + hists->stats.total_period == 1000); + + /* but filter stats are changed */ + TEST_ASSERT_VAL("Unmatched nr samples for thread filter", + hists->stats.nr_non_filtered_samples == 4); + TEST_ASSERT_VAL("Unmatched nr hist entries for thread filter", + hists->nr_non_filtered_entries == 4); + TEST_ASSERT_VAL("Unmatched total period for thread filter", + hists->stats.total_non_filtered_period == 400); + + /* remove thread filter first */ + evsel->hists.thread_filter = NULL; + hists__filter_by_thread(hists); + + /* now applying dso filter for 'kernel' */ + evsel->hists.dso_filter = fake_samples[0].map->dso; + hists__filter_by_dso(hists); + + if (verbose > 2) { + pr_info("Histogram for dso filter\n"); + print_hists_out(hists); + } + + /* normal stats should be invariant */ + TEST_ASSERT_VAL("Invalid nr samples", + hists->stats.nr_events[PERF_RECORD_SAMPLE] == 10); + TEST_ASSERT_VAL("Invalid nr hist entries", + hists->nr_entries == 9); + TEST_ASSERT_VAL("Invalid total period", + hists->stats.total_period == 1000); + + /* but filter stats are changed */ + TEST_ASSERT_VAL("Unmatched nr samples for dso filter", + hists->stats.nr_non_filtered_samples == 3); + TEST_ASSERT_VAL("Unmatched nr hist entries for dso filter", + hists->nr_non_filtered_entries == 3); + TEST_ASSERT_VAL("Unmatched total period for dso filter", + hists->stats.total_non_filtered_period == 300); + + /* remove dso filter first */ + evsel->hists.dso_filter = NULL; + hists__filter_by_dso(hists); + + /* + * now applying symbol filter for 'main'. Also note that + * there's 3 samples that have 'main' symbol but the 4th + * entry of fake_samples was collapsed already so it won't + * be counted as a separate entry but the sample count and + * total period will be remained. + */ + evsel->hists.symbol_filter_str = "main"; + hists__filter_by_symbol(hists); + + if (verbose > 2) { + pr_info("Histogram for symbol filter\n"); + print_hists_out(hists); + } + + /* normal stats should be invariant */ + TEST_ASSERT_VAL("Invalid nr samples", + hists->stats.nr_events[PERF_RECORD_SAMPLE] == 10); + TEST_ASSERT_VAL("Invalid nr hist entries", + hists->nr_entries == 9); + TEST_ASSERT_VAL("Invalid total period", + hists->stats.total_period == 1000); + + /* but filter stats are changed */ + TEST_ASSERT_VAL("Unmatched nr samples for symbol filter", + hists->stats.nr_non_filtered_samples == 3); + TEST_ASSERT_VAL("Unmatched nr hist entries for symbol filter", + hists->nr_non_filtered_entries == 2); + TEST_ASSERT_VAL("Unmatched total period for symbol filter", + hists->stats.total_non_filtered_period == 300); + + /* now applying all filters at once. */ + evsel->hists.thread_filter = fake_samples[1].thread; + evsel->hists.dso_filter = fake_samples[1].map->dso; + hists__filter_by_thread(hists); + hists__filter_by_dso(hists); + + if (verbose > 2) { + pr_info("Histogram for all filters\n"); + print_hists_out(hists); + } + + /* normal stats should be invariant */ + TEST_ASSERT_VAL("Invalid nr samples", + hists->stats.nr_events[PERF_RECORD_SAMPLE] == 10); + TEST_ASSERT_VAL("Invalid nr hist entries", + hists->nr_entries == 9); + TEST_ASSERT_VAL("Invalid total period", + hists->stats.total_period == 1000); + + /* but filter stats are changed */ + TEST_ASSERT_VAL("Unmatched nr samples for all filter", + hists->stats.nr_non_filtered_samples == 2); + TEST_ASSERT_VAL("Unmatched nr hist entries for all filter", + hists->nr_non_filtered_entries == 1); + TEST_ASSERT_VAL("Unmatched total period for all filter", + hists->stats.total_non_filtered_period == 200); + } + + + err = TEST_OK; + +out: + /* tear down everything */ + perf_evlist__delete(evlist); + reset_output_field(); + machines__exit(&machines); + + return err; +} diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c index 173bf42cc03..d4b34b0f50a 100644 --- a/tools/perf/tests/hists_link.c +++ b/tools/perf/tests/hists_link.c @@ -8,144 +8,7 @@ #include "machine.h" #include "thread.h" #include "parse-events.h" - -static struct { - u32 pid; - const char *comm; -} fake_threads[] = { - { 100, "perf" }, - { 200, "perf" }, - { 300, "bash" }, -}; - -static struct { - u32 pid; - u64 start; - const char *filename; -} fake_mmap_info[] = { - { 100, 0x40000, "perf" }, - { 100, 0x50000, "libc" }, - { 100, 0xf0000, "[kernel]" }, - { 200, 0x40000, "perf" }, - { 200, 0x50000, "libc" }, - { 200, 0xf0000, "[kernel]" }, - { 300, 0x40000, "bash" }, - { 300, 0x50000, "libc" }, - { 300, 0xf0000, "[kernel]" }, -}; - -struct fake_sym { - u64 start; - u64 length; - const char *name; -}; - -static struct fake_sym perf_syms[] = { - { 700, 100, "main" }, - { 800, 100, "run_command" }, - { 900, 100, "cmd_record" }, -}; - -static struct fake_sym bash_syms[] = { - { 700, 100, "main" }, - { 800, 100, "xmalloc" }, - { 900, 100, "xfree" }, -}; - -static struct fake_sym libc_syms[] = { - { 700, 100, "malloc" }, - { 800, 100, "free" }, - { 900, 100, "realloc" }, -}; - -static struct fake_sym kernel_syms[] = { - { 700, 100, "schedule" }, - { 800, 100, "page_fault" }, - { 900, 100, "sys_perf_event_open" }, -}; - -static struct { - const char *dso_name; - struct fake_sym *syms; - size_t nr_syms; -} fake_symbols[] = { - { "perf", perf_syms, ARRAY_SIZE(perf_syms) }, - { "bash", bash_syms, ARRAY_SIZE(bash_syms) }, - { "libc", libc_syms, ARRAY_SIZE(libc_syms) }, - { "[kernel]", kernel_syms, ARRAY_SIZE(kernel_syms) }, -}; - -static struct machine *setup_fake_machine(struct machines *machines) -{ - struct machine *machine = machines__find(machines, HOST_KERNEL_ID); - size_t i; - - if (machine == NULL) { - pr_debug("Not enough memory for machine setup\n"); - return NULL; - } - - for (i = 0; i < ARRAY_SIZE(fake_threads); i++) { - struct thread *thread; - - thread = machine__findnew_thread(machine, fake_threads[i].pid, - fake_threads[i].pid); - if (thread == NULL) - goto out; - - thread__set_comm(thread, fake_threads[i].comm, 0); - } - - for (i = 0; i < ARRAY_SIZE(fake_mmap_info); i++) { - union perf_event fake_mmap_event = { - .mmap = { - .header = { .misc = PERF_RECORD_MISC_USER, }, - .pid = fake_mmap_info[i].pid, - .start = fake_mmap_info[i].start, - .len = 0x1000ULL, - .pgoff = 0ULL, - }, - }; - - strcpy(fake_mmap_event.mmap.filename, - fake_mmap_info[i].filename); - - machine__process_mmap_event(machine, &fake_mmap_event, NULL); - } - - for (i = 0; i < ARRAY_SIZE(fake_symbols); i++) { - size_t k; - struct dso *dso; - - dso = __dsos__findnew(&machine->user_dsos, - fake_symbols[i].dso_name); - if (dso == NULL) - goto out; - - /* emulate dso__load() */ - dso__set_loaded(dso, MAP__FUNCTION); - - for (k = 0; k < fake_symbols[i].nr_syms; k++) { - struct symbol *sym; - struct fake_sym *fsym = &fake_symbols[i].syms[k]; - - sym = symbol__new(fsym->start, fsym->length, - STB_GLOBAL, fsym->name); - if (sym == NULL) - goto out; - - symbols__insert(&dso->symbols[MAP__FUNCTION], sym); - } - } - - return machine; - -out: - pr_debug("Not enough memory for machine setup\n"); - machine__delete_threads(machine); - machine__delete(machine); - return NULL; -} +#include "hists_common.h" struct sample { u32 pid; @@ -155,43 +18,44 @@ struct sample { struct symbol *sym; }; +/* For the numbers, see hists_common.c */ static struct sample fake_common_samples[] = { /* perf [kernel] schedule() */ - { .pid = 100, .ip = 0xf0000 + 700, }, + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, /* perf [perf] main() */ - { .pid = 200, .ip = 0x40000 + 700, }, + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, /* perf [perf] cmd_record() */ - { .pid = 200, .ip = 0x40000 + 900, }, + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, }, /* bash [bash] xmalloc() */ - { .pid = 300, .ip = 0x40000 + 800, }, + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, /* bash [libc] malloc() */ - { .pid = 300, .ip = 0x50000 + 700, }, + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, }, }; static struct sample fake_samples[][5] = { { /* perf [perf] run_command() */ - { .pid = 100, .ip = 0x40000 + 800, }, + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_RUN_COMMAND, }, /* perf [libc] malloc() */ - { .pid = 100, .ip = 0x50000 + 700, }, + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, /* perf [kernel] page_fault() */ - { .pid = 100, .ip = 0xf0000 + 800, }, + { .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, /* perf [kernel] sys_perf_event_open() */ - { .pid = 200, .ip = 0xf0000 + 900, }, + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN, }, /* bash [libc] free() */ - { .pid = 300, .ip = 0x50000 + 800, }, + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_FREE, }, }, { /* perf [libc] free() */ - { .pid = 200, .ip = 0x50000 + 800, }, + { .pid = FAKE_PID_PERF2, .ip = FAKE_IP_LIBC_FREE, }, /* bash [libc] malloc() */ - { .pid = 300, .ip = 0x50000 + 700, }, /* will be merged */ + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, }, /* will be merged */ /* bash [bash] xfee() */ - { .pid = 300, .ip = 0x40000 + 900, }, + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XFREE, }, /* bash [libc] realloc() */ - { .pid = 300, .ip = 0x50000 + 900, }, + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_REALLOC, }, /* bash [kernel] page_fault() */ - { .pid = 300, .ip = 0xf0000 + 800, }, + { .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, }, }; @@ -200,7 +64,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) struct perf_evsel *evsel; struct addr_location al; struct hist_entry *he; - struct perf_sample sample = { .cpu = 0, }; + struct perf_sample sample = { .period = 1, }; size_t i = 0, k; /* @@ -208,7 +72,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) * However the second evsel also has a collapsed entry for * "bash [libc] malloc" so total 9 entries will be in the tree. */ - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { for (k = 0; k < ARRAY_SIZE(fake_common_samples); k++) { const union perf_event event = { .header = { @@ -217,13 +81,14 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) }; sample.pid = fake_common_samples[k].pid; + sample.tid = fake_common_samples[k].pid; sample.ip = fake_common_samples[k].ip; if (perf_event__preprocess_sample(&event, machine, &al, &sample) < 0) goto out; he = __hists__add_entry(&evsel->hists, &al, NULL, - NULL, NULL, 1, 1, 0); + NULL, NULL, 1, 1, 0, true); if (he == NULL) goto out; @@ -240,13 +105,14 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) }; sample.pid = fake_samples[i][k].pid; + sample.tid = fake_samples[i][k].pid; sample.ip = fake_samples[i][k].ip; if (perf_event__preprocess_sample(&event, machine, &al, &sample) < 0) goto out; he = __hists__add_entry(&evsel->hists, &al, NULL, - NULL, NULL, 1, 1, 0); + NULL, NULL, 1, 1, 0, true); if (he == NULL) goto out; @@ -402,33 +268,6 @@ static int validate_link(struct hists *leader, struct hists *other) return __validate_link(leader, 0) || __validate_link(other, 1); } -static void print_hists(struct hists *hists) -{ - int i = 0; - struct rb_root *root; - struct rb_node *node; - - if (sort__need_collapse) - root = &hists->entries_collapsed; - else - root = hists->entries_in; - - pr_info("----- %s --------\n", __func__); - node = rb_first(root); - while (node) { - struct hist_entry *he; - - he = rb_entry(node, struct hist_entry, rb_node_in); - - pr_info("%2d: entry: %-8s [%-8s] %20s: period = %"PRIu64"\n", - i, thread__comm_str(he->thread), he->ms.map->dso->short_name, - he->ms.sym->name, he->stat.period); - - i++; - node = rb_next(node); - } -} - int test__hists_link(void) { int err = -1; @@ -466,11 +305,11 @@ int test__hists_link(void) if (err < 0) goto out; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { hists__collapse_resort(&evsel->hists, NULL); if (verbose > 2) - print_hists(&evsel->hists); + print_hists_in(&evsel->hists); } first = perf_evlist__first(evlist); @@ -493,6 +332,7 @@ int test__hists_link(void) out: /* tear down everything */ perf_evlist__delete(evlist); + reset_output_field(); machines__exit(&machines); return err; diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c new file mode 100644 index 00000000000..e3bbd6c54c1 --- /dev/null +++ b/tools/perf/tests/hists_output.c @@ -0,0 +1,621 @@ +#include "perf.h" +#include "util/debug.h" +#include "util/symbol.h" +#include "util/sort.h" +#include "util/evsel.h" +#include "util/evlist.h" +#include "util/machine.h" +#include "util/thread.h" +#include "util/parse-events.h" +#include "tests/tests.h" +#include "tests/hists_common.h" + +struct sample { + u32 cpu; + u32 pid; + u64 ip; + struct thread *thread; + struct map *map; + struct symbol *sym; +}; + +/* For the numbers, see hists_common.c */ +static struct sample fake_samples[] = { + /* perf [kernel] schedule() */ + { .cpu = 0, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, }, + /* perf [perf] main() */ + { .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, }, + /* perf [perf] cmd_record() */ + { .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, }, + /* perf [libc] malloc() */ + { .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, }, + /* perf [libc] free() */ + { .cpu = 2, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, }, + /* perf [perf] main() */ + { .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, + /* perf [kernel] page_fault() */ + { .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, + /* bash [bash] main() */ + { .cpu = 3, .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, }, + /* bash [bash] xmalloc() */ + { .cpu = 0, .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, }, + /* bash [kernel] page_fault() */ + { .cpu = 1, .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, }, +}; + +static int add_hist_entries(struct hists *hists, struct machine *machine) +{ + struct addr_location al; + struct perf_evsel *evsel = hists_to_evsel(hists); + struct perf_sample sample = { .period = 100, }; + size_t i; + + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { + const union perf_event event = { + .header = { + .misc = PERF_RECORD_MISC_USER, + }, + }; + struct hist_entry_iter iter = { + .ops = &hist_iter_normal, + .hide_unresolved = false, + }; + + sample.cpu = fake_samples[i].cpu; + sample.pid = fake_samples[i].pid; + sample.tid = fake_samples[i].pid; + sample.ip = fake_samples[i].ip; + + if (perf_event__preprocess_sample(&event, machine, &al, + &sample) < 0) + goto out; + + if (hist_entry_iter__add(&iter, &al, evsel, &sample, + PERF_MAX_STACK_DEPTH, NULL) < 0) + goto out; + + fake_samples[i].thread = al.thread; + fake_samples[i].map = al.map; + fake_samples[i].sym = al.sym; + } + + return TEST_OK; + +out: + pr_debug("Not enough memory for adding a hist entry\n"); + return TEST_FAIL; +} + +static void del_hist_entries(struct hists *hists) +{ + struct hist_entry *he; + struct rb_root *root_in; + struct rb_root *root_out; + struct rb_node *node; + + if (sort__need_collapse) + root_in = &hists->entries_collapsed; + else + root_in = hists->entries_in; + + root_out = &hists->entries; + + while (!RB_EMPTY_ROOT(root_out)) { + node = rb_first(root_out); + + he = rb_entry(node, struct hist_entry, rb_node); + rb_erase(node, root_out); + rb_erase(&he->rb_node_in, root_in); + hist_entry__free(he); + } +} + +typedef int (*test_fn_t)(struct perf_evsel *, struct machine *); + +#define COMM(he) (thread__comm_str(he->thread)) +#define DSO(he) (he->ms.map->dso->short_name) +#define SYM(he) (he->ms.sym->name) +#define CPU(he) (he->cpu) +#define PID(he) (he->thread->tid) + +/* default sort keys (no field) */ +static int test1(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + struct hist_entry *he; + struct rb_root *root; + struct rb_node *node; + + field_order = NULL; + sort_order = NULL; /* equivalent to sort_order = "comm,dso,sym" */ + + setup_sorting(); + + /* + * expected output: + * + * Overhead Command Shared Object Symbol + * ======== ======= ============= ============== + * 20.00% perf perf [.] main + * 10.00% bash [kernel] [k] page_fault + * 10.00% bash bash [.] main + * 10.00% bash bash [.] xmalloc + * 10.00% perf [kernel] [k] page_fault + * 10.00% perf [kernel] [k] schedule + * 10.00% perf libc [.] free + * 10.00% perf libc [.] malloc + * 10.00% perf perf [.] cmd_record + */ + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + hists__collapse_resort(hists, NULL); + hists__output_resort(hists); + + if (verbose > 2) { + pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); + print_hists_out(hists); + } + + root = &evsel->hists.entries; + node = rb_first(root); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && + !strcmp(SYM(he), "main") && he->stat.period == 200); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && + !strcmp(SYM(he), "page_fault") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && + !strcmp(SYM(he), "main") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && + !strcmp(SYM(he), "xmalloc") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && + !strcmp(SYM(he), "page_fault") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && + !strcmp(SYM(he), "schedule") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && + !strcmp(SYM(he), "free") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && + !strcmp(SYM(he), "malloc") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && + !strcmp(SYM(he), "cmd_record") && he->stat.period == 100); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +/* mixed fields and sort keys */ +static int test2(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + struct hist_entry *he; + struct rb_root *root; + struct rb_node *node; + + field_order = "overhead,cpu"; + sort_order = "pid"; + + setup_sorting(); + + /* + * expected output: + * + * Overhead CPU Command: Pid + * ======== === ============= + * 30.00% 1 perf : 100 + * 10.00% 0 perf : 100 + * 10.00% 2 perf : 100 + * 20.00% 2 perf : 200 + * 10.00% 0 bash : 300 + * 10.00% 1 bash : 300 + * 10.00% 3 bash : 300 + */ + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + hists__collapse_resort(hists, NULL); + hists__output_resort(hists); + + if (verbose > 2) { + pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); + print_hists_out(hists); + } + + root = &evsel->hists.entries; + node = rb_first(root); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 1 && PID(he) == 100 && he->stat.period == 300); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 0 && PID(he) == 100 && he->stat.period == 100); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +/* fields only (no sort key) */ +static int test3(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + struct hist_entry *he; + struct rb_root *root; + struct rb_node *node; + + field_order = "comm,overhead,dso"; + sort_order = NULL; + + setup_sorting(); + + /* + * expected output: + * + * Command Overhead Shared Object + * ======= ======== ============= + * bash 20.00% bash + * bash 10.00% [kernel] + * perf 30.00% perf + * perf 20.00% [kernel] + * perf 20.00% libc + */ + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + hists__collapse_resort(hists, NULL); + hists__output_resort(hists); + + if (verbose > 2) { + pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); + print_hists_out(hists); + } + + root = &evsel->hists.entries; + node = rb_first(root); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && + he->stat.period == 200); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && + he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && + he->stat.period == 300); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && + he->stat.period == 200); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && + he->stat.period == 200); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +/* handle duplicate 'dso' field */ +static int test4(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + struct hist_entry *he; + struct rb_root *root; + struct rb_node *node; + + field_order = "dso,sym,comm,overhead,dso"; + sort_order = "sym"; + + setup_sorting(); + + /* + * expected output: + * + * Shared Object Symbol Command Overhead + * ============= ============== ======= ======== + * perf [.] cmd_record perf 10.00% + * libc [.] free perf 10.00% + * bash [.] main bash 10.00% + * perf [.] main perf 20.00% + * libc [.] malloc perf 10.00% + * [kernel] [k] page_fault bash 10.00% + * [kernel] [k] page_fault perf 10.00% + * [kernel] [k] schedule perf 10.00% + * bash [.] xmalloc bash 10.00% + */ + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + hists__collapse_resort(hists, NULL); + hists__output_resort(hists); + + if (verbose > 2) { + pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); + print_hists_out(hists); + } + + root = &evsel->hists.entries; + node = rb_first(root); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "cmd_record") && + !strcmp(COMM(he), "perf") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "free") && + !strcmp(COMM(he), "perf") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "main") && + !strcmp(COMM(he), "bash") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "perf") && !strcmp(SYM(he), "main") && + !strcmp(COMM(he), "perf") && he->stat.period == 200); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "libc") && !strcmp(SYM(he), "malloc") && + !strcmp(COMM(he), "perf") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && + !strcmp(COMM(he), "bash") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "page_fault") && + !strcmp(COMM(he), "perf") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "[kernel]") && !strcmp(SYM(he), "schedule") && + !strcmp(COMM(he), "perf") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + !strcmp(DSO(he), "bash") && !strcmp(SYM(he), "xmalloc") && + !strcmp(COMM(he), "bash") && he->stat.period == 100); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +/* full sort keys w/o overhead field */ +static int test5(struct perf_evsel *evsel, struct machine *machine) +{ + int err; + struct hists *hists = &evsel->hists; + struct hist_entry *he; + struct rb_root *root; + struct rb_node *node; + + field_order = "cpu,pid,comm,dso,sym"; + sort_order = "dso,pid"; + + setup_sorting(); + + /* + * expected output: + * + * CPU Command: Pid Command Shared Object Symbol + * === ============= ======= ============= ============== + * 0 perf: 100 perf [kernel] [k] schedule + * 2 perf: 200 perf [kernel] [k] page_fault + * 1 bash: 300 bash [kernel] [k] page_fault + * 0 bash: 300 bash bash [.] xmalloc + * 3 bash: 300 bash bash [.] main + * 1 perf: 100 perf libc [.] malloc + * 2 perf: 100 perf libc [.] free + * 1 perf: 100 perf perf [.] cmd_record + * 1 perf: 100 perf perf [.] main + * 2 perf: 200 perf perf [.] main + */ + err = add_hist_entries(hists, machine); + if (err < 0) + goto out; + + hists__collapse_resort(hists, NULL); + hists__output_resort(hists); + + if (verbose > 2) { + pr_info("[fields = %s, sort = %s]\n", field_order, sort_order); + print_hists_out(hists); + } + + root = &evsel->hists.entries; + node = rb_first(root); + he = rb_entry(node, struct hist_entry, rb_node); + + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 0 && PID(he) == 100 && + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && + !strcmp(SYM(he), "schedule") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 2 && PID(he) == 200 && + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "[kernel]") && + !strcmp(SYM(he), "page_fault") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 1 && PID(he) == 300 && + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "[kernel]") && + !strcmp(SYM(he), "page_fault") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 0 && PID(he) == 300 && + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && + !strcmp(SYM(he), "xmalloc") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 3 && PID(he) == 300 && + !strcmp(COMM(he), "bash") && !strcmp(DSO(he), "bash") && + !strcmp(SYM(he), "main") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 1 && PID(he) == 100 && + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && + !strcmp(SYM(he), "malloc") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 2 && PID(he) == 100 && + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "libc") && + !strcmp(SYM(he), "free") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 1 && PID(he) == 100 && + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && + !strcmp(SYM(he), "cmd_record") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 1 && PID(he) == 100 && + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && + !strcmp(SYM(he), "main") && he->stat.period == 100); + + node = rb_next(node); + he = rb_entry(node, struct hist_entry, rb_node); + TEST_ASSERT_VAL("Invalid hist entry", + CPU(he) == 2 && PID(he) == 200 && + !strcmp(COMM(he), "perf") && !strcmp(DSO(he), "perf") && + !strcmp(SYM(he), "main") && he->stat.period == 100); + +out: + del_hist_entries(hists); + reset_output_field(); + return err; +} + +int test__hists_output(void) +{ + int err = TEST_FAIL; + struct machines machines; + struct machine *machine; + struct perf_evsel *evsel; + struct perf_evlist *evlist = perf_evlist__new(); + size_t i; + test_fn_t testcases[] = { + test1, + test2, + test3, + test4, + test5, + }; + + TEST_ASSERT_VAL("No memory", evlist); + + err = parse_events(evlist, "cpu-clock"); + if (err) + goto out; + + machines__init(&machines); + + /* setup threads/dso/map/symbols also */ + machine = setup_fake_machine(&machines); + if (!machine) + goto out; + + if (verbose > 1) + machine__fprintf(machine, stderr); + + evsel = perf_evlist__first(evlist); + + for (i = 0; i < ARRAY_SIZE(testcases); i++) { + err = testcases[i](evsel, machine); + if (err < 0) + break; + } + +out: + /* tear down everything */ + perf_evlist__delete(evlist); + machines__exit(&machines); + + return err; +} diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c index 376c3560853..7a5ab7b0b8f 100644 --- a/tools/perf/tests/keep-tracking.c +++ b/tools/perf/tests/keep-tracking.c @@ -1,4 +1,4 @@ -#include <sys/types.h> +#include <linux/types.h> #include <unistd.h> #include <sys/prctl.h> @@ -51,7 +51,7 @@ static int find_comm(struct perf_evlist *evlist, const char *comm) */ int test__keep_tracking(void) { - struct perf_record_opts opts = { + struct record_opts opts = { .mmap_pages = UINT_MAX, .user_freq = UINT_MAX, .user_interval = ULLONG_MAX, @@ -142,14 +142,11 @@ int test__keep_tracking(void) out_err: if (evlist) { perf_evlist__disable(evlist); - perf_evlist__munmap(evlist); - perf_evlist__close(evlist); perf_evlist__delete(evlist); - } - if (cpus) + } else { cpu_map__delete(cpus); - if (threads) thread_map__delete(threads); + } return err; } diff --git a/tools/perf/tests/make b/tools/perf/tests/make index 2ca0abf1b2b..69a71ff84e0 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -1,6 +1,16 @@ PERF := . MK := Makefile +include config/Makefile.arch + +# FIXME looks like x86 is the only arch running tests ;-) +# we need some IS_(32/64) flag to make this generic +ifeq ($(IS_X86_64),1) +lib = lib64 +else +lib = lib +endif + has = $(shell which $1 2>/dev/null) # standard single make variable specified @@ -17,6 +27,7 @@ make_no_ui := NO_NEWT=1 NO_SLANG=1 NO_GTK2=1 make_no_demangle := NO_DEMANGLE=1 make_no_libelf := NO_LIBELF=1 make_no_libunwind := NO_LIBUNWIND=1 +make_no_libdw_dwarf_unwind := NO_LIBDW_DWARF_UNWIND=1 make_no_backtrace := NO_BACKTRACE=1 make_no_libnuma := NO_LIBNUMA=1 make_no_libaudit := NO_LIBAUDIT=1 @@ -25,8 +36,9 @@ make_tags := tags make_cscope := cscope make_help := help make_doc := doc -make_perf_o := perf.o -make_util_map_o := util/map.o +make_perf_o := perf.o +make_util_map_o := util/map.o +make_util_pmu_bison_o := util/pmu-bison.o make_install := install make_install_bin := install-bin make_install_doc := install-doc @@ -34,11 +46,13 @@ make_install_man := install-man make_install_html := install-html make_install_info := install-info make_install_pdf := install-pdf +make_static := LDFLAGS=-static # all the NO_* variable combined make_minimal := NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 make_minimal += NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 +make_minimal += NO_LIBDW_DWARF_UNWIND=1 # $(run) contains all available tests run := make_pure @@ -55,6 +69,7 @@ run += make_no_ui run += make_no_demangle run += make_no_libelf run += make_no_libunwind +run += make_no_libdw_dwarf_unwind run += make_no_backtrace run += make_no_libnuma run += make_no_libaudit @@ -63,6 +78,7 @@ run += make_help run += make_doc run += make_perf_o run += make_util_map_o +run += make_util_pmu_bison_o run += make_install run += make_install_bin # FIXME 'install-*' commented out till they're fixed @@ -72,6 +88,7 @@ run += make_install_bin # run += make_install_info # run += make_install_pdf run += make_minimal +run += make_static ifneq ($(call has,ctags),) run += make_tags @@ -103,13 +120,40 @@ test_make_doc_O := $(test_ok) test_make_python_perf_so := test -f $(PERF)/python/perf.so -test_make_perf_o := test -f $(PERF)/perf.o -test_make_util_map_o := test -f $(PERF)/util/map.o - -test_make_install := test -x $$TMP_DEST/bin/perf -test_make_install_O := $(test_make_install) -test_make_install_bin := $(test_make_install) -test_make_install_bin_O := $(test_make_install) +test_make_perf_o := test -f $(PERF)/perf.o +test_make_util_map_o := test -f $(PERF)/util/map.o +test_make_util_pmu_bison_o := test -f $(PERF)/util/pmu-bison.o + +define test_dest_files + for file in $(1); do \ + if [ ! -x $$TMP_DEST/$$file ]; then \ + echo " failed to find: $$file"; \ + fi \ + done +endef + +installed_files_bin := bin/perf +installed_files_bin += etc/bash_completion.d/perf +installed_files_bin += libexec/perf-core/perf-archive + +installed_files_plugins := $(lib)/traceevent/plugins/plugin_cfg80211.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_scsi.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_xen.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_function.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_sched_switch.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_mac80211.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_kvm.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_kmem.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_hrtimer.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_jbd2.so + +installed_files_all := $(installed_files_bin) +installed_files_all += $(installed_files_plugins) + +test_make_install := $(call test_dest_files,$(installed_files_all)) +test_make_install_O := $(call test_dest_files,$(installed_files_all)) +test_make_install_bin := $(call test_dest_files,$(installed_files_bin)) +test_make_install_bin_O := $(call test_dest_files,$(installed_files_bin)) # FIXME nothing gets installed test_make_install_man := test -f $$TMP_DEST/share/man/man1/perf.1 @@ -131,13 +175,10 @@ test_make_install_info_O := $(test_ok) test_make_install_pdf := $(test_ok) test_make_install_pdf_O := $(test_ok) -# Kbuild tests only -#test_make_python_perf_so_O := test -f $$TMP/tools/perf/python/perf.so -#test_make_perf_o_O := test -f $$TMP/tools/perf/perf.o -#test_make_util_map_o_O := test -f $$TMP/tools/perf/util/map.o - -test_make_perf_o_O := true -test_make_util_map_o_O := true +test_make_python_perf_so_O := test -f $$TMP_O/python/perf.so +test_make_perf_o_O := test -f $$TMP_O/perf.o +test_make_util_map_o_O := test -f $$TMP_O/util/map.o +test_make_util_pmu_bison_o_O := test -f $$TMP_O/util/pmu-bison.o test_default = test -x $(PERF)/perf test = $(if $(test_$1),$(test_$1),$(test_default)) @@ -162,10 +203,9 @@ $(run): cmd="cd $(PERF) && make -f $(MK) DESTDIR=$$TMP_DEST $($@)"; \ echo "- $@: $$cmd" && echo $$cmd > $@ && \ ( eval $$cmd ) >> $@ 2>&1; \ - echo " test: $(call test,$@)"; \ + echo " test: $(call test,$@)" >> $@ 2>&1; \ $(call test,$@) && \ - rm -f $@ \ - rm -rf $$TMP_DEST + rm -rf $@ $$TMP_DEST || (cat $@ ; false) $(run_O): $(call clean) @@ -174,16 +214,20 @@ $(run_O): cmd="cd $(PERF) && make -f $(MK) O=$$TMP_O DESTDIR=$$TMP_DEST $($(patsubst %_O,%,$@))"; \ echo "- $@: $$cmd" && echo $$cmd > $@ && \ ( eval $$cmd ) >> $@ 2>&1 && \ - echo " test: $(call test_O,$@)"; \ + echo " test: $(call test_O,$@)" >> $@ 2>&1; \ $(call test_O,$@) && \ - rm -f $@ && \ - rm -rf $$TMP_O \ - rm -rf $$TMP_DEST + rm -rf $@ $$TMP_O $$TMP_DEST || (cat $@ ; false) + +tarpkg: + @cmd="$(PERF)/tests/perf-targz-src-pkg $(PERF)"; \ + echo "- $@: $$cmd" && echo $$cmd > $@ && \ + ( eval $$cmd ) >> $@ 2>&1 + -all: $(run) $(run_O) +all: $(run) $(run_O) tarpkg @echo OK out: $(run_O) @echo OK -.PHONY: all $(run) $(run_O) clean +.PHONY: all $(run) $(run_O) tarpkg clean diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index d64ab79c6d3..142263492f6 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -68,7 +68,7 @@ int test__basic_mmap(void) evsels[i] = perf_evsel__newtp("syscalls", name); if (evsels[i] == NULL) { pr_debug("perf_evsel__new\n"); - goto out_free_evlist; + goto out_delete_evlist; } evsels[i]->attr.wakeup_events = 1; @@ -80,7 +80,7 @@ int test__basic_mmap(void) pr_debug("failed to open counter: %s, " "tweak /proc/sys/kernel/perf_event_paranoid?\n", strerror(errno)); - goto out_close_fd; + goto out_delete_evlist; } nr_events[i] = 0; @@ -90,7 +90,7 @@ int test__basic_mmap(void) if (perf_evlist__mmap(evlist, 128, true) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, strerror(errno)); - goto out_close_fd; + goto out_delete_evlist; } for (i = 0; i < nsyscalls; ++i) @@ -105,13 +105,13 @@ int test__basic_mmap(void) if (event->header.type != PERF_RECORD_SAMPLE) { pr_debug("unexpected %s event\n", perf_event__name(event->header.type)); - goto out_munmap; + goto out_delete_evlist; } err = perf_evlist__parse_sample(evlist, event, &sample); if (err) { pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; + goto out_delete_evlist; } err = -1; @@ -119,30 +119,27 @@ int test__basic_mmap(void) if (evsel == NULL) { pr_debug("event with id %" PRIu64 " doesn't map to an evsel\n", sample.id); - goto out_munmap; + goto out_delete_evlist; } nr_events[evsel->idx]++; perf_evlist__mmap_consume(evlist, 0); } err = 0; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { pr_debug("expected %d %s events, got %d\n", expected_nr_events[evsel->idx], perf_evsel__name(evsel), nr_events[evsel->idx]); err = -1; - goto out_munmap; + goto out_delete_evlist; } } -out_munmap: - perf_evlist__munmap(evlist); -out_close_fd: - for (i = 0; i < nsyscalls; ++i) - perf_evsel__close_fd(evsels[i], 1, threads->nr); -out_free_evlist: +out_delete_evlist: perf_evlist__delete(evlist); + cpus = NULL; + threads = NULL; out_free_cpus: cpu_map__delete(cpus); out_free_threads: diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c new file mode 100644 index 00000000000..4a456fef66c --- /dev/null +++ b/tools/perf/tests/mmap-thread-lookup.c @@ -0,0 +1,233 @@ +#include <unistd.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <sys/mman.h> +#include <pthread.h> +#include <stdlib.h> +#include <stdio.h> +#include "debug.h" +#include "tests.h" +#include "machine.h" +#include "thread_map.h" +#include "symbol.h" +#include "thread.h" + +#define THREADS 4 + +static int go_away; + +struct thread_data { + pthread_t pt; + pid_t tid; + void *map; + int ready[2]; +}; + +static struct thread_data threads[THREADS]; + +static int thread_init(struct thread_data *td) +{ + void *map; + + map = mmap(NULL, page_size, + PROT_READ|PROT_WRITE|PROT_EXEC, + MAP_SHARED|MAP_ANONYMOUS, -1, 0); + + if (map == MAP_FAILED) { + perror("mmap failed"); + return -1; + } + + td->map = map; + td->tid = syscall(SYS_gettid); + + pr_debug("tid = %d, map = %p\n", td->tid, map); + return 0; +} + +static void *thread_fn(void *arg) +{ + struct thread_data *td = arg; + ssize_t ret; + int go; + + if (thread_init(td)) + return NULL; + + /* Signal thread_create thread is initialized. */ + ret = write(td->ready[1], &go, sizeof(int)); + if (ret != sizeof(int)) { + pr_err("failed to notify\n"); + return NULL; + } + + while (!go_away) { + /* Waiting for main thread to kill us. */ + usleep(100); + } + + munmap(td->map, page_size); + return NULL; +} + +static int thread_create(int i) +{ + struct thread_data *td = &threads[i]; + int err, go; + + if (pipe(td->ready)) + return -1; + + err = pthread_create(&td->pt, NULL, thread_fn, td); + if (!err) { + /* Wait for thread initialization. */ + ssize_t ret = read(td->ready[0], &go, sizeof(int)); + err = ret != sizeof(int); + } + + close(td->ready[0]); + close(td->ready[1]); + return err; +} + +static int threads_create(void) +{ + struct thread_data *td0 = &threads[0]; + int i, err = 0; + + go_away = 0; + + /* 0 is main thread */ + if (thread_init(td0)) + return -1; + + for (i = 1; !err && i < THREADS; i++) + err = thread_create(i); + + return err; +} + +static int threads_destroy(void) +{ + struct thread_data *td0 = &threads[0]; + int i, err = 0; + + /* cleanup the main thread */ + munmap(td0->map, page_size); + + go_away = 1; + + for (i = 1; !err && i < THREADS; i++) + err = pthread_join(threads[i].pt, NULL); + + return err; +} + +typedef int (*synth_cb)(struct machine *machine); + +static int synth_all(struct machine *machine) +{ + return perf_event__synthesize_threads(NULL, + perf_event__process, + machine, 0); +} + +static int synth_process(struct machine *machine) +{ + struct thread_map *map; + int err; + + map = thread_map__new_by_pid(getpid()); + + err = perf_event__synthesize_thread_map(NULL, map, + perf_event__process, + machine, 0); + + thread_map__delete(map); + return err; +} + +static int mmap_events(synth_cb synth) +{ + struct machines machines; + struct machine *machine; + int err, i; + + /* + * The threads_create will not return before all threads + * are spawned and all created memory map. + * + * They will loop until threads_destroy is called, so we + * can safely run synthesizing function. + */ + TEST_ASSERT_VAL("failed to create threads", !threads_create()); + + machines__init(&machines); + machine = &machines.host; + + dump_trace = verbose > 1 ? 1 : 0; + + err = synth(machine); + + dump_trace = 0; + + TEST_ASSERT_VAL("failed to destroy threads", !threads_destroy()); + TEST_ASSERT_VAL("failed to synthesize maps", !err); + + /* + * All data is synthesized, try to find map for each + * thread object. + */ + for (i = 0; i < THREADS; i++) { + struct thread_data *td = &threads[i]; + struct addr_location al; + struct thread *thread; + + thread = machine__findnew_thread(machine, getpid(), td->tid); + + pr_debug("looking for map %p\n", td->map); + + thread__find_addr_map(thread, machine, + PERF_RECORD_MISC_USER, MAP__FUNCTION, + (unsigned long) (td->map + 1), &al); + + if (!al.map) { + pr_debug("failed, couldn't find map\n"); + err = -1; + break; + } + + pr_debug("map %p, addr %" PRIx64 "\n", al.map, al.map->start); + } + + machine__delete_threads(machine); + machines__exit(&machines); + return err; +} + +/* + * This test creates 'THREADS' number of threads (including + * main thread) and each thread creates memory map. + * + * When threads are created, we synthesize them with both + * (separate tests): + * perf_event__synthesize_thread_map (process based) + * perf_event__synthesize_threads (global) + * + * We test we can find all memory maps via: + * thread__find_addr_map + * + * by using all thread objects. + */ +int test__mmap_thread_lookup(void) +{ + /* perf_event__synthesize_threads synthesize */ + TEST_ASSERT_VAL("failed with sythesizing all", + !mmap_events(synth_all)); + + /* perf_event__synthesize_thread_map synthesize */ + TEST_ASSERT_VAL("failed with sythesizing process", + !mmap_events(synth_process)); + + return 0; +} diff --git a/tools/perf/tests/open-syscall-tp-fields.c b/tools/perf/tests/open-syscall-tp-fields.c index 41cc0badb74..c505ef2af24 100644 --- a/tools/perf/tests/open-syscall-tp-fields.c +++ b/tools/perf/tests/open-syscall-tp-fields.c @@ -6,15 +6,15 @@ int test__syscall_open_tp_fields(void) { - struct perf_record_opts opts = { + struct record_opts opts = { .target = { .uid = UINT_MAX, .uses_mmap = true, }, - .no_delay = true, - .freq = 1, - .mmap_pages = 256, - .raw_samples = true, + .no_buffering = true, + .freq = 1, + .mmap_pages = 256, + .raw_samples = true, }; const char *filename = "/etc/passwd"; int flags = O_RDONLY | O_DIRECTORY; @@ -48,13 +48,13 @@ int test__syscall_open_tp_fields(void) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } err = perf_evlist__mmap(evlist, UINT_MAX, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__enable(evlist); @@ -85,7 +85,7 @@ int test__syscall_open_tp_fields(void) err = perf_evsel__parse_sample(evsel, event, &sample); if (err) { pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; + goto out_delete_evlist; } tp_flags = perf_evsel__intval(evsel, &sample, "flags"); @@ -93,7 +93,7 @@ int test__syscall_open_tp_fields(void) if (flags != tp_flags) { pr_debug("%s: Expected flags=%#x, got %#x\n", __func__, flags, tp_flags); - goto out_munmap; + goto out_delete_evlist; } goto out_ok; @@ -105,17 +105,11 @@ int test__syscall_open_tp_fields(void) if (++nr_polls > 5) { pr_debug("%s: no events!\n", __func__); - goto out_munmap; + goto out_delete_evlist; } } out_ok: err = 0; -out_munmap: - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); out_delete_evlist: perf_evlist__delete(evlist); out: diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 3cbd1049608..deba66955f8 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -2,8 +2,8 @@ #include "parse-events.h" #include "evsel.h" #include "evlist.h" -#include "fs.h" -#include <lk/debugfs.h> +#include <api/fs/fs.h> +#include <api/fs/debugfs.h> #include "tests.h" #include <linux/hw_breakpoint.h> @@ -30,7 +30,7 @@ static int test__checkevent_tracepoint_multi(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1); TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->nr_groups); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type); TEST_ASSERT_VAL("wrong sample_type", @@ -201,7 +201,7 @@ test__checkevent_tracepoint_multi_modifier(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", @@ -1174,188 +1174,240 @@ static int test__all_tracepoints(struct perf_evlist *evlist) struct evlist_test { const char *name; __u32 type; + const int id; int (*check)(struct perf_evlist *evlist); }; static struct evlist_test test__events[] = { - [0] = { + { .name = "syscalls:sys_enter_open", .check = test__checkevent_tracepoint, + .id = 0, }, - [1] = { + { .name = "syscalls:*", .check = test__checkevent_tracepoint_multi, + .id = 1, }, - [2] = { + { .name = "r1a", .check = test__checkevent_raw, + .id = 2, }, - [3] = { + { .name = "1:1", .check = test__checkevent_numeric, + .id = 3, }, - [4] = { + { .name = "instructions", .check = test__checkevent_symbolic_name, + .id = 4, }, - [5] = { + { .name = "cycles/period=100000,config2/", .check = test__checkevent_symbolic_name_config, + .id = 5, }, - [6] = { + { .name = "faults", .check = test__checkevent_symbolic_alias, + .id = 6, }, - [7] = { + { .name = "L1-dcache-load-miss", .check = test__checkevent_genhw, + .id = 7, }, - [8] = { + { .name = "mem:0", .check = test__checkevent_breakpoint, + .id = 8, }, - [9] = { + { .name = "mem:0:x", .check = test__checkevent_breakpoint_x, + .id = 9, }, - [10] = { + { .name = "mem:0:r", .check = test__checkevent_breakpoint_r, + .id = 10, }, - [11] = { + { .name = "mem:0:w", .check = test__checkevent_breakpoint_w, + .id = 11, }, - [12] = { + { .name = "syscalls:sys_enter_open:k", .check = test__checkevent_tracepoint_modifier, + .id = 12, }, - [13] = { + { .name = "syscalls:*:u", .check = test__checkevent_tracepoint_multi_modifier, + .id = 13, }, - [14] = { + { .name = "r1a:kp", .check = test__checkevent_raw_modifier, + .id = 14, }, - [15] = { + { .name = "1:1:hp", .check = test__checkevent_numeric_modifier, + .id = 15, }, - [16] = { + { .name = "instructions:h", .check = test__checkevent_symbolic_name_modifier, + .id = 16, }, - [17] = { + { .name = "faults:u", .check = test__checkevent_symbolic_alias_modifier, + .id = 17, }, - [18] = { + { .name = "L1-dcache-load-miss:kp", .check = test__checkevent_genhw_modifier, + .id = 18, }, - [19] = { + { .name = "mem:0:u", .check = test__checkevent_breakpoint_modifier, + .id = 19, }, - [20] = { + { .name = "mem:0:x:k", .check = test__checkevent_breakpoint_x_modifier, + .id = 20, }, - [21] = { + { .name = "mem:0:r:hp", .check = test__checkevent_breakpoint_r_modifier, + .id = 21, }, - [22] = { + { .name = "mem:0:w:up", .check = test__checkevent_breakpoint_w_modifier, + .id = 22, }, - [23] = { + { .name = "r1,syscalls:sys_enter_open:k,1:1:hp", .check = test__checkevent_list, + .id = 23, }, - [24] = { + { .name = "instructions:G", .check = test__checkevent_exclude_host_modifier, + .id = 24, }, - [25] = { + { .name = "instructions:H", .check = test__checkevent_exclude_guest_modifier, + .id = 25, }, - [26] = { + { .name = "mem:0:rw", .check = test__checkevent_breakpoint_rw, + .id = 26, }, - [27] = { + { .name = "mem:0:rw:kp", .check = test__checkevent_breakpoint_rw_modifier, + .id = 27, }, - [28] = { + { .name = "{instructions:k,cycles:upp}", .check = test__group1, + .id = 28, }, - [29] = { + { .name = "{faults:k,cache-references}:u,cycles:k", .check = test__group2, + .id = 29, }, - [30] = { + { .name = "group1{syscalls:sys_enter_open:H,cycles:kppp},group2{cycles,1:3}:G,instructions:u", .check = test__group3, + .id = 30, }, - [31] = { + { .name = "{cycles:u,instructions:kp}:p", .check = test__group4, + .id = 31, }, - [32] = { + { .name = "{cycles,instructions}:G,{cycles:G,instructions:G},cycles", .check = test__group5, + .id = 32, }, - [33] = { + { .name = "*:*", .check = test__all_tracepoints, + .id = 33, }, - [34] = { + { .name = "{cycles,cache-misses:G}:H", .check = test__group_gh1, + .id = 34, }, - [35] = { + { .name = "{cycles,cache-misses:H}:G", .check = test__group_gh2, + .id = 35, }, - [36] = { + { .name = "{cycles:G,cache-misses:H}:u", .check = test__group_gh3, + .id = 36, }, - [37] = { + { .name = "{cycles:G,cache-misses:H}:uG", .check = test__group_gh4, + .id = 37, }, - [38] = { + { .name = "{cycles,cache-misses,branch-misses}:S", .check = test__leader_sample1, + .id = 38, }, - [39] = { + { .name = "{instructions,branch-misses}:Su", .check = test__leader_sample2, + .id = 39, }, - [40] = { + { .name = "instructions:uDp", .check = test__checkevent_pinned_modifier, + .id = 40, }, - [41] = { + { .name = "{cycles,cache-misses,branch-misses}:D", .check = test__pinned_group, + .id = 41, + }, +#if defined(__s390x__) + { + .name = "kvm-s390:kvm_s390_create_vm", + .check = test__checkevent_tracepoint, + .id = 100, }, +#endif }; static struct evlist_test test__events_pmu[] = { - [0] = { + { .name = "cpu/config=10,config1,config2=3,period=1000/u", .check = test__checkevent_pmu, + .id = 0, }, - [1] = { + { .name = "cpu/config=1,name=krava/u,cpu/config=2/u", .check = test__checkevent_pmu_name, + .id = 1, }, }; @@ -1385,10 +1437,10 @@ static int test_event(struct evlist_test *e) if (ret) { pr_debug("failed to parse event '%s', err %d\n", e->name, ret); - return ret; + } else { + ret = e->check(evlist); } - - ret = e->check(evlist); + perf_evlist__delete(evlist); return ret; @@ -1402,7 +1454,7 @@ static int test_events(struct evlist_test *events, unsigned cnt) for (i = 0; i < cnt; i++) { struct evlist_test *e = &events[i]; - pr_debug("running test %d '%s'\n", i, e->name); + pr_debug("running test %d '%s'\n", e->id, e->name); ret1 = test_event(e); if (ret1) ret2 = ret1; diff --git a/tools/perf/tests/parse-no-sample-id-all.c b/tools/perf/tests/parse-no-sample-id-all.c index e117b6c6a24..905019f9b74 100644 --- a/tools/perf/tests/parse-no-sample-id-all.c +++ b/tools/perf/tests/parse-no-sample-id-all.c @@ -1,4 +1,4 @@ -#include <sys/types.h> +#include <linux/types.h> #include <stddef.h> #include "tests.h" diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index 93a62b06c3a..aca1a83dd13 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -34,14 +34,14 @@ realloc: int test__PERF_RECORD(void) { - struct perf_record_opts opts = { + struct record_opts opts = { .target = { .uid = UINT_MAX, .uses_mmap = true, }, - .no_delay = true, - .freq = 10, - .mmap_pages = 256, + .no_buffering = true, + .freq = 10, + .mmap_pages = 256, }; cpu_set_t cpu_mask; size_t cpu_mask_size = sizeof(cpu_mask); @@ -83,11 +83,10 @@ int test__PERF_RECORD(void) * so that we have time to open the evlist (calling sys_perf_event_open * on all the fds) and then mmap them. */ - err = perf_evlist__prepare_workload(evlist, &opts.target, argv, - false, false); + err = perf_evlist__prepare_workload(evlist, &opts.target, argv, false, NULL); if (err < 0) { pr_debug("Couldn't run the workload!\n"); - goto out_delete_maps; + goto out_delete_evlist; } /* @@ -102,7 +101,7 @@ int test__PERF_RECORD(void) err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask); if (err < 0) { pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } cpu = err; @@ -112,7 +111,7 @@ int test__PERF_RECORD(void) */ if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { pr_debug("sched_setaffinity: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } /* @@ -122,7 +121,7 @@ int test__PERF_RECORD(void) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } /* @@ -133,7 +132,7 @@ int test__PERF_RECORD(void) err = perf_evlist__mmap(evlist, opts.mmap_pages, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } /* @@ -166,7 +165,7 @@ int test__PERF_RECORD(void) if (verbose) perf_event__fprintf(event, stderr); pr_debug("Couldn't parse sample\n"); - goto out_err; + goto out_delete_evlist; } if (verbose) { @@ -303,12 +302,6 @@ found_exit: pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]"); ++errs; } -out_err: - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); out_delete_evlist: perf_evlist__delete(evlist); out: diff --git a/tools/perf/tests/perf-targz-src-pkg b/tools/perf/tests/perf-targz-src-pkg new file mode 100755 index 00000000000..238aa3927c7 --- /dev/null +++ b/tools/perf/tests/perf-targz-src-pkg @@ -0,0 +1,21 @@ +#!/bin/sh +# Test one of the main kernel Makefile targets to generate a perf sources tarball +# suitable for build outside the full kernel sources. +# +# This is to test that the tools/perf/MANIFEST file lists all the files needed to +# be in such tarball, which sometimes gets broken when we move files around, +# like when we made some files that were in tools/perf/ available to other tools/ +# codebases by moving it to tools/include/, etc. + +PERF=$1 +cd ${PERF}/../.. +make perf-targz-src-pkg > /dev/null +TARBALL=$(ls -rt perf-*.tar.gz) +TMP_DEST=$(mktemp -d) +tar xf ${TARBALL} -C $TMP_DEST +rm -f ${TARBALL} +cd - > /dev/null +make -C $TMP_DEST/perf*/tools/perf > /dev/null 2>&1 +RC=$? +rm -rf ${TMP_DEST} +exit $RC diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c index 4ca1b938f6a..3b7cd4d32dc 100644 --- a/tools/perf/tests/perf-time-to-tsc.c +++ b/tools/perf/tests/perf-time-to-tsc.c @@ -1,7 +1,6 @@ #include <stdio.h> -#include <sys/types.h> #include <unistd.h> -#include <inttypes.h> +#include <linux/types.h> #include <sys/prctl.h> #include "parse-events.h" @@ -46,7 +45,7 @@ static u64 rdtsc(void) */ int test__perf_time_to_tsc(void) { - struct perf_record_opts opts = { + struct record_opts opts = { .mmap_pages = UINT_MAX, .user_freq = UINT_MAX, .user_interval = ULLONG_MAX, @@ -166,14 +165,8 @@ next_event: out_err: if (evlist) { perf_evlist__disable(evlist); - perf_evlist__munmap(evlist); - perf_evlist__close(evlist); perf_evlist__delete(evlist); } - if (cpus) - cpu_map__delete(cpus); - if (threads) - thread_map__delete(threads); return err; } diff --git a/tools/perf/tests/rdpmc.c b/tools/perf/tests/rdpmc.c index 46649c25fa5..e59143fd9e7 100644 --- a/tools/perf/tests/rdpmc.c +++ b/tools/perf/tests/rdpmc.c @@ -2,7 +2,7 @@ #include <stdlib.h> #include <signal.h> #include <sys/mman.h> -#include "types.h" +#include <linux/types.h> #include "perf.h" #include "debug.h" #include "tests.h" diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c index 1b677202638..7ae8d17db3d 100644 --- a/tools/perf/tests/sample-parsing.c +++ b/tools/perf/tests/sample-parsing.c @@ -1,5 +1,5 @@ #include <stdbool.h> -#include <inttypes.h> +#include <linux/types.h> #include "util.h" #include "event.h" @@ -22,8 +22,8 @@ } while (0) static bool samples_same(const struct perf_sample *s1, - const struct perf_sample *s2, u64 type, u64 regs_user, - u64 read_format) + const struct perf_sample *s2, + u64 type, u64 read_format) { size_t i; @@ -95,8 +95,9 @@ static bool samples_same(const struct perf_sample *s1, } if (type & PERF_SAMPLE_REGS_USER) { - size_t sz = hweight_long(regs_user) * sizeof(u64); + size_t sz = hweight_long(s1->user_regs.mask) * sizeof(u64); + COMP(user_regs.mask); COMP(user_regs.abi); if (s1->user_regs.abi && (!s1->user_regs.regs || !s2->user_regs.regs || @@ -174,6 +175,7 @@ static int do_test(u64 sample_type, u64 sample_regs_user, u64 read_format) .branch_stack = &branch_stack.branch_stack, .user_regs = { .abi = PERF_SAMPLE_REGS_ABI_64, + .mask = sample_regs_user, .regs = user_regs, }, .user_stack = { @@ -201,8 +203,7 @@ static int do_test(u64 sample_type, u64 sample_regs_user, u64 read_format) sample.read.one.id = 99; } - sz = perf_event__sample_event_size(&sample, sample_type, - sample_regs_user, read_format); + sz = perf_event__sample_event_size(&sample, sample_type, read_format); bufsz = sz + 4096; /* Add a bit for overrun checking */ event = malloc(bufsz); if (!event) { @@ -215,8 +216,7 @@ static int do_test(u64 sample_type, u64 sample_regs_user, u64 read_format) event->header.misc = 0; event->header.size = sz; - err = perf_event__synthesize_sample(event, sample_type, - sample_regs_user, read_format, + err = perf_event__synthesize_sample(event, sample_type, read_format, &sample, false); if (err) { pr_debug("%s failed for sample_type %#"PRIx64", error %d\n", @@ -244,8 +244,7 @@ static int do_test(u64 sample_type, u64 sample_regs_user, u64 read_format) goto out_free; } - if (!samples_same(&sample, &sample_out, sample_type, - sample_regs_user, read_format)) { + if (!samples_same(&sample, &sample_out, sample_type, read_format)) { pr_debug("parsing failed for sample_type %#"PRIx64"\n", sample_type); goto out_free; diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index 6664a7cd828..983d6b8562a 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -45,7 +45,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) evsel = perf_evsel__new(&attr); if (evsel == NULL) { pr_debug("perf_evsel__new\n"); - goto out_free_evlist; + goto out_delete_evlist; } perf_evlist__add(evlist, evsel); @@ -54,7 +54,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) if (!evlist->cpus || !evlist->threads) { err = -ENOMEM; pr_debug("Not enough memory to create thread/cpu maps\n"); - goto out_delete_maps; + goto out_delete_evlist; } if (perf_evlist__open(evlist)) { @@ -63,14 +63,14 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) err = -errno; pr_debug("Couldn't open evlist: %s\nHint: check %s, using %" PRIu64 " in this test.\n", strerror(errno), knob, (u64)attr.sample_freq); - goto out_delete_maps; + goto out_delete_evlist; } err = perf_evlist__mmap(evlist, 128, true); if (err < 0) { pr_debug("failed to mmap event: %d (%s)\n", errno, strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__enable(evlist); @@ -90,7 +90,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) err = perf_evlist__parse_sample(evlist, event, &sample); if (err < 0) { pr_debug("Error during parse sample\n"); - goto out_unmap_evlist; + goto out_delete_evlist; } total_periods += sample.period; @@ -105,13 +105,7 @@ next_event: err = -1; } -out_unmap_evlist: - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); -out_free_evlist: +out_delete_evlist: perf_evlist__delete(evlist); return err; } diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index d09ab579119..5ff3db318f1 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -9,12 +9,21 @@ static int exited; static int nr_exit; -static void sig_handler(int sig) +static void sig_handler(int sig __maybe_unused) { exited = 1; +} - if (sig == SIGUSR1) - nr_exit = -1; +/* + * perf_evlist__prepare_workload will send a SIGUSR1 if the fork fails, since + * we asked by setting its exec_error to this handler. + */ +static void workload_exec_failed_signal(int signo __maybe_unused, + siginfo_t *info __maybe_unused, + void *ucontext __maybe_unused) +{ + exited = 1; + nr_exit = -1; } /* @@ -35,7 +44,6 @@ int test__task_exit(void) const char *argv[] = { "true", NULL }; signal(SIGCHLD, sig_handler); - signal(SIGUSR1, sig_handler); evlist = perf_evlist__new_default(); if (evlist == NULL) { @@ -54,13 +62,14 @@ int test__task_exit(void) if (!evlist->cpus || !evlist->threads) { err = -ENOMEM; pr_debug("Not enough memory to create thread/cpu maps\n"); - goto out_delete_maps; + goto out_delete_evlist; } - err = perf_evlist__prepare_workload(evlist, &target, argv, false, true); + err = perf_evlist__prepare_workload(evlist, &target, argv, false, + workload_exec_failed_signal); if (err < 0) { pr_debug("Couldn't run the workload!\n"); - goto out_delete_maps; + goto out_delete_evlist; } evsel = perf_evlist__first(evlist); @@ -74,13 +83,13 @@ int test__task_exit(void) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("Couldn't open the evlist: %s\n", strerror(-err)); - goto out_delete_maps; + goto out_delete_evlist; } if (perf_evlist__mmap(evlist, 128, true) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__start_workload(evlist); @@ -103,11 +112,7 @@ retry: err = -1; } - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); +out_delete_evlist: perf_evlist__delete(evlist); return err; } diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index e0ac713857b..ed64790a395 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -28,6 +28,8 @@ int test__syscall_open_tp_fields(void); int test__pmu(void); int test__attr(void); int test__dso_data(void); +int test__dso_data_cache(void); +int test__dso_data_reopen(void); int test__parse_events(void); int test__hists_link(void); int test__python_use(void); @@ -40,5 +42,19 @@ int test__code_reading(void); int test__sample_parsing(void); int test__keep_tracking(void); int test__parse_no_sample_id_all(void); +int test__dwarf_unwind(void); +int test__hists_filter(void); +int test__mmap_thread_lookup(void); +int test__thread_mg_share(void); +int test__hists_output(void); +int test__hists_cumulate(void); +#if defined(__x86_64__) || defined(__i386__) || defined(__arm__) +#ifdef HAVE_DWARF_UNWIND_SUPPORT +struct thread; +struct perf_sample; +int test__arch_unwind_sample(struct perf_sample *sample, + struct thread *thread); +#endif +#endif #endif /* TESTS_H */ diff --git a/tools/perf/tests/thread-mg-share.c b/tools/perf/tests/thread-mg-share.c new file mode 100644 index 00000000000..2b2e0dbe114 --- /dev/null +++ b/tools/perf/tests/thread-mg-share.c @@ -0,0 +1,90 @@ +#include "tests.h" +#include "machine.h" +#include "thread.h" +#include "map.h" + +int test__thread_mg_share(void) +{ + struct machines machines; + struct machine *machine; + + /* thread group */ + struct thread *leader; + struct thread *t1, *t2, *t3; + struct map_groups *mg; + + /* other process */ + struct thread *other, *other_leader; + struct map_groups *other_mg; + + /* + * This test create 2 processes abstractions (struct thread) + * with several threads and checks they properly share and + * maintain map groups info (struct map_groups). + * + * thread group (pid: 0, tids: 0, 1, 2, 3) + * other group (pid: 4, tids: 4, 5) + */ + + machines__init(&machines); + machine = &machines.host; + + /* create process with 4 threads */ + leader = machine__findnew_thread(machine, 0, 0); + t1 = machine__findnew_thread(machine, 0, 1); + t2 = machine__findnew_thread(machine, 0, 2); + t3 = machine__findnew_thread(machine, 0, 3); + + /* and create 1 separated process, without thread leader */ + other = machine__findnew_thread(machine, 4, 5); + + TEST_ASSERT_VAL("failed to create threads", + leader && t1 && t2 && t3 && other); + + mg = leader->mg; + TEST_ASSERT_VAL("wrong refcnt", mg->refcnt == 4); + + /* test the map groups pointer is shared */ + TEST_ASSERT_VAL("map groups don't match", mg == t1->mg); + TEST_ASSERT_VAL("map groups don't match", mg == t2->mg); + TEST_ASSERT_VAL("map groups don't match", mg == t3->mg); + + /* + * Verify the other leader was created by previous call. + * It should have shared map groups with no change in + * refcnt. + */ + other_leader = machine__find_thread(machine, 4, 4); + TEST_ASSERT_VAL("failed to find other leader", other_leader); + + other_mg = other->mg; + TEST_ASSERT_VAL("wrong refcnt", other_mg->refcnt == 2); + + TEST_ASSERT_VAL("map groups don't match", other_mg == other_leader->mg); + + /* release thread group */ + thread__delete(leader); + TEST_ASSERT_VAL("wrong refcnt", mg->refcnt == 3); + + thread__delete(t1); + TEST_ASSERT_VAL("wrong refcnt", mg->refcnt == 2); + + thread__delete(t2); + TEST_ASSERT_VAL("wrong refcnt", mg->refcnt == 1); + + thread__delete(t3); + + /* release other group */ + thread__delete(other_leader); + TEST_ASSERT_VAL("wrong refcnt", other_mg->refcnt == 1); + + thread__delete(other); + + /* + * Cannot call machine__delete_threads(machine) now, + * because we've already released all the threads. + */ + + machines__exit(&machines); + return 0; +} diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c index 2bd13edcbc1..3d9088003a5 100644 --- a/tools/perf/tests/vmlinux-kallsyms.c +++ b/tools/perf/tests/vmlinux-kallsyms.c @@ -26,7 +26,6 @@ int test__vmlinux_matches_kallsyms(void) struct map *kallsyms_map, *vmlinux_map; struct machine kallsyms, vmlinux; enum map_type type = MAP__FUNCTION; - struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", }; u64 mem_start, mem_end; /* @@ -70,14 +69,6 @@ int test__vmlinux_matches_kallsyms(void) */ kallsyms_map = machine__kernel_map(&kallsyms, type); - sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL); - if (sym == NULL) { - pr_debug("dso__find_symbol_by_name "); - goto out; - } - - ref_reloc_sym.addr = UM(sym->start); - /* * Step 5: * @@ -89,7 +80,6 @@ int test__vmlinux_matches_kallsyms(void) } vmlinux_map = machine__kernel_map(&vmlinux, type); - map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym; /* * Step 6: diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index cbaa7af4551..3ccf6e14f89 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -194,7 +194,7 @@ int ui_browser__warning(struct ui_browser *browser, int timeout, ui_helpline__vpush(format, args); va_end(args); } else { - while ((key == ui__question_window("Warning!", text, + while ((key = ui__question_window("Warning!", text, "Press any key...", timeout)) == K_RESIZE) ui_browser__handle_resize(browser); @@ -256,8 +256,7 @@ int ui_browser__show(struct ui_browser *browser, const char *title, __ui_browser__show_title(browser, title); browser->title = title; - free(browser->helpline); - browser->helpline = NULL; + zfree(&browser->helpline); va_start(ap, helpline); err = vasprintf(&browser->helpline, helpline, ap); @@ -268,12 +267,11 @@ int ui_browser__show(struct ui_browser *browser, const char *title, return err ? 0 : -1; } -void ui_browser__hide(struct ui_browser *browser __maybe_unused) +void ui_browser__hide(struct ui_browser *browser) { pthread_mutex_lock(&ui__lock); ui_helpline__pop(); - free(browser->helpline); - browser->helpline = NULL; + zfree(&browser->helpline); pthread_mutex_unlock(&ui__lock); } diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index 7d45d2f5360..03d4d6295f1 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -1,9 +1,7 @@ #ifndef _PERF_UI_BROWSER_H_ #define _PERF_UI_BROWSER_H_ 1 -#include <stdbool.h> -#include <sys/types.h> -#include "../types.h" +#include <linux/types.h> #define HE_COLORSET_TOP 50 #define HE_COLORSET_MEDIUM 51 @@ -59,6 +57,8 @@ int ui_browser__help_window(struct ui_browser *browser, const char *text); bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text); int ui_browser__input_window(const char *title, const char *text, char *input, const char *exit_msg, int delay_sec); +struct perf_session_env; +int tui__header_window(struct perf_session_env *env); void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence); unsigned int ui_browser__argv_refresh(struct ui_browser *browser); diff --git a/tools/perf/ui/browsers/header.c b/tools/perf/ui/browsers/header.c new file mode 100644 index 00000000000..89c16b98861 --- /dev/null +++ b/tools/perf/ui/browsers/header.c @@ -0,0 +1,127 @@ +#include "util/cache.h" +#include "util/debug.h" +#include "ui/browser.h" +#include "ui/ui.h" +#include "ui/util.h" +#include "ui/libslang.h" +#include "util/header.h" +#include "util/session.h" + +static void ui_browser__argv_write(struct ui_browser *browser, + void *entry, int row) +{ + char **arg = entry; + char *str = *arg; + char empty[] = " "; + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long offset = (unsigned long)browser->priv; + + if (offset >= strlen(str)) + str = empty; + else + str = str + offset; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + slsmg_write_nstring(str, browser->width); +} + +static int list_menu__run(struct ui_browser *menu) +{ + int key; + unsigned long offset; + const char help[] = + "h/?/F1 Show this window\n" + "UP/DOWN/PGUP\n" + "PGDN/SPACE\n" + "LEFT/RIGHT Navigate\n" + "q/ESC/CTRL+C Exit browser"; + + if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0) + return -1; + + while (1) { + key = ui_browser__run(menu, 0); + + switch (key) { + case K_RIGHT: + offset = (unsigned long)menu->priv; + offset += 10; + menu->priv = (void *)offset; + continue; + case K_LEFT: + offset = (unsigned long)menu->priv; + if (offset >= 10) + offset -= 10; + menu->priv = (void *)offset; + continue; + case K_F1: + case 'h': + case '?': + ui_browser__help_window(menu, help); + continue; + case K_ESC: + case 'q': + case CTRL('c'): + key = -1; + break; + default: + continue; + } + + break; + } + + ui_browser__hide(menu); + return key; +} + +static int ui__list_menu(int argc, char * const argv[]) +{ + struct ui_browser menu = { + .entries = (void *)argv, + .refresh = ui_browser__argv_refresh, + .seek = ui_browser__argv_seek, + .write = ui_browser__argv_write, + .nr_entries = argc, + }; + + return list_menu__run(&menu); +} + +int tui__header_window(struct perf_session_env *env) +{ + int i, argc = 0; + char **argv; + struct perf_session *session; + char *ptr, *pos; + size_t size; + FILE *fp = open_memstream(&ptr, &size); + + session = container_of(env, struct perf_session, header.env); + perf_header__fprintf_info(session, fp, true); + fclose(fp); + + for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++) + argc++; + + argv = calloc(argc + 1, sizeof(*argv)); + if (argv == NULL) + goto out; + + argv[0] = pos = ptr; + for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) { + *pos++ = '\0'; + argv[i] = pos; + } + + BUG_ON(i != argc + 1); + + ui__list_menu(argc, argv); + +out: + free(argv); + free(ptr); + return 0; +} diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index a440e03cd8c..04a229aa5c0 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -17,6 +17,7 @@ #include "../util.h" #include "../ui.h" #include "map.h" +#include "annotate.h" struct hist_browser { struct ui_browser b; @@ -26,13 +27,35 @@ struct hist_browser { int print_seq; bool show_dso; float min_pcnt; - u64 nr_pcnt_entries; + u64 nr_non_filtered_entries; + u64 nr_callchain_rows; }; extern void hist_browser__init_hpp(void); static int hists__browser_title(struct hists *hists, char *bf, size_t size, const char *ev_name); +static void hist_browser__update_nr_entries(struct hist_browser *hb); + +static struct rb_node *hists__filter_entries(struct rb_node *nd, + float min_pcnt); + +static bool hist_browser__has_filter(struct hist_browser *hb) +{ + return hists__has_filter(hb->hists) || hb->min_pcnt; +} + +static u32 hist_browser__nr_entries(struct hist_browser *hb) +{ + u32 nr_entries; + + if (hist_browser__has_filter(hb)) + nr_entries = hb->nr_non_filtered_entries; + else + nr_entries = hb->hists->nr_entries; + + return nr_entries + hb->nr_callchain_rows; +} static void hist_browser__refresh_dimensions(struct hist_browser *browser) { @@ -43,7 +66,14 @@ static void hist_browser__refresh_dimensions(struct hist_browser *browser) static void hist_browser__reset(struct hist_browser *browser) { - browser->b.nr_entries = browser->hists->nr_entries; + /* + * The hists__remove_entry_filter() already folds non-filtered + * entries so we can assume it has 0 callchain rows. + */ + browser->nr_callchain_rows = 0; + + hist_browser__update_nr_entries(browser); + browser->b.nr_entries = hist_browser__nr_entries(browser); hist_browser__refresh_dimensions(browser); ui_browser__reset_index(&browser->b); } @@ -198,14 +228,16 @@ static bool hist_browser__toggle_fold(struct hist_browser *browser) struct hist_entry *he = browser->he_selection; hist_entry__init_have_children(he); - browser->hists->nr_entries -= he->nr_rows; + browser->b.nr_entries -= he->nr_rows; + browser->nr_callchain_rows -= he->nr_rows; if (he->ms.unfolded) he->nr_rows = callchain__count_rows(&he->sorted_chain); else he->nr_rows = 0; - browser->hists->nr_entries += he->nr_rows; - browser->b.nr_entries = browser->hists->nr_entries; + + browser->b.nr_entries += he->nr_rows; + browser->nr_callchain_rows += he->nr_rows; return true; } @@ -280,23 +312,27 @@ static void hist_entry__set_folding(struct hist_entry *he, bool unfold) he->nr_rows = 0; } -static void hists__set_folding(struct hists *hists, bool unfold) +static void +__hist_browser__set_folding(struct hist_browser *browser, bool unfold) { struct rb_node *nd; + struct hists *hists = browser->hists; - hists->nr_entries = 0; - - for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { + for (nd = rb_first(&hists->entries); + (nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL; + nd = rb_next(nd)) { struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); hist_entry__set_folding(he, unfold); - hists->nr_entries += 1 + he->nr_rows; + browser->nr_callchain_rows += he->nr_rows; } } static void hist_browser__set_folding(struct hist_browser *browser, bool unfold) { - hists__set_folding(browser->hists, unfold); - browser->b.nr_entries = browser->hists->nr_entries; + browser->nr_callchain_rows = 0; + __hist_browser__set_folding(browser, unfold); + + browser->b.nr_entries = hist_browser__nr_entries(browser); /* Go to the start, we may be way after valid entries after a collapse */ ui_browser__reset_index(&browser->b); } @@ -310,8 +346,6 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser) "Or reduce the sampling frequency."); } -static void hist_browser__update_pcnt_entries(struct hist_browser *hb); - static int hist_browser__run(struct hist_browser *browser, const char *ev_name, struct hist_browser_timer *hbt) { @@ -320,9 +354,7 @@ static int hist_browser__run(struct hist_browser *browser, const char *ev_name, int delay_secs = hbt ? hbt->refresh : 0; browser->b.entries = &browser->hists->entries; - browser->b.nr_entries = browser->hists->nr_entries; - if (browser->min_pcnt) - browser->b.nr_entries = browser->nr_pcnt_entries; + browser->b.nr_entries = hist_browser__nr_entries(browser); hist_browser__refresh_dimensions(browser); hists__browser_title(browser->hists, title, sizeof(title), ev_name); @@ -339,13 +371,10 @@ static int hist_browser__run(struct hist_browser *browser, const char *ev_name, u64 nr_entries; hbt->timer(hbt->arg); - if (browser->min_pcnt) { - hist_browser__update_pcnt_entries(browser); - nr_entries = browser->nr_pcnt_entries; - } else { - nr_entries = browser->hists->nr_entries; - } + if (hist_browser__has_filter(browser)) + hist_browser__update_nr_entries(browser); + nr_entries = hist_browser__nr_entries(browser); ui_browser__update_nr_entries(&browser->b, nr_entries); if (browser->hists->stats.nr_lost_warned != @@ -587,99 +616,27 @@ struct hpp_arg { bool current_entry; }; -static int __hpp__color_callchain(struct hpp_arg *arg) +static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...) { - if (!symbol_conf.use_callchain) - return 0; - - slsmg_printf("%c ", arg->folded_sign); - return 2; -} - -static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he, - u64 (*get_field)(struct hist_entry *), - int (*callchain_cb)(struct hpp_arg *)) -{ - int ret = 0; - double percent = 0.0; - struct hists *hists = he->hists; struct hpp_arg *arg = hpp->ptr; + int ret; + va_list args; + double percent; - if (hists->stats.total_period) - percent = 100.0 * get_field(he) / hists->stats.total_period; + va_start(args, fmt); + percent = va_arg(args, double); + va_end(args); ui_browser__set_percent_color(arg->b, percent, arg->current_entry); - if (callchain_cb) - ret += callchain_cb(arg); - - ret += scnprintf(hpp->buf, hpp->size, "%6.2f%%", percent); + ret = scnprintf(hpp->buf, hpp->size, fmt, percent); slsmg_printf("%s", hpp->buf); - if (symbol_conf.event_group) { - int prev_idx, idx_delta; - struct perf_evsel *evsel = hists_to_evsel(hists); - struct hist_entry *pair; - int nr_members = evsel->nr_members; - - if (nr_members <= 1) - goto out; - - prev_idx = perf_evsel__group_idx(evsel); - - list_for_each_entry(pair, &he->pairs.head, pairs.node) { - u64 period = get_field(pair); - u64 total = pair->hists->stats.total_period; - - if (!total) - continue; - - evsel = hists_to_evsel(pair->hists); - idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1; - - while (idx_delta--) { - /* - * zero-fill group members in the middle which - * have no sample - */ - ui_browser__set_percent_color(arg->b, 0.0, - arg->current_entry); - ret += scnprintf(hpp->buf, hpp->size, - " %6.2f%%", 0.0); - slsmg_printf("%s", hpp->buf); - } - - percent = 100.0 * period / total; - ui_browser__set_percent_color(arg->b, percent, - arg->current_entry); - ret += scnprintf(hpp->buf, hpp->size, - " %6.2f%%", percent); - slsmg_printf("%s", hpp->buf); - - prev_idx = perf_evsel__group_idx(evsel); - } - - idx_delta = nr_members - prev_idx - 1; - - while (idx_delta--) { - /* - * zero-fill group members at last which have no sample - */ - ui_browser__set_percent_color(arg->b, 0.0, - arg->current_entry); - ret += scnprintf(hpp->buf, hpp->size, - " %6.2f%%", 0.0); - slsmg_printf("%s", hpp->buf); - } - } -out: - if (!arg->current_entry || !arg->b->navkeypressed) - ui_browser__set_color(arg->b, HE_COLORSET_NORMAL); - + advance_hpp(hpp, ret); return ret; } -#define __HPP_COLOR_PERCENT_FN(_type, _field, _cb) \ +#define __HPP_COLOR_PERCENT_FN(_type, _field) \ static u64 __hpp_get_##_field(struct hist_entry *he) \ { \ return he->stat._field; \ @@ -690,21 +647,43 @@ hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,\ struct perf_hpp *hpp, \ struct hist_entry *he) \ { \ - return __hpp__color_fmt(hpp, he, __hpp_get_##_field, _cb); \ + return __hpp__fmt(hpp, he, __hpp_get_##_field, " %6.2f%%", \ + __hpp__slsmg_color_printf, true); \ +} + +#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +static u64 __hpp_get_acc_##_field(struct hist_entry *he) \ +{ \ + return he->stat_acc->_field; \ +} \ + \ +static int \ +hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,\ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + if (!symbol_conf.cumulate_callchain) { \ + int ret = scnprintf(hpp->buf, hpp->size, "%8s", "N/A"); \ + slsmg_printf("%s", hpp->buf); \ + \ + return ret; \ + } \ + return __hpp__fmt(hpp, he, __hpp_get_acc_##_field, " %6.2f%%", \ + __hpp__slsmg_color_printf, true); \ } -__HPP_COLOR_PERCENT_FN(overhead, period, __hpp__color_callchain) -__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys, NULL) -__HPP_COLOR_PERCENT_FN(overhead_us, period_us, NULL) -__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys, NULL) -__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us, NULL) +__HPP_COLOR_PERCENT_FN(overhead, period) +__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys) +__HPP_COLOR_PERCENT_FN(overhead_us, period_us) +__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys) +__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us) +__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period) #undef __HPP_COLOR_PERCENT_FN +#undef __HPP_COLOR_ACC_PERCENT_FN void hist_browser__init_hpp(void) { - perf_hpp__init(); - perf_hpp__format[PERF_HPP__OVERHEAD].color = hist_browser__hpp_color_overhead; perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color = @@ -715,6 +694,8 @@ void hist_browser__init_hpp(void) hist_browser__hpp_color_overhead_guest_sys; perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color = hist_browser__hpp_color_overhead_guest_us; + perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color = + hist_browser__hpp_color_overhead_acc; } static int hist_browser__show_entry(struct hist_browser *browser, @@ -742,7 +723,7 @@ static int hist_browser__show_entry(struct hist_browser *browser, if (row_offset == 0) { struct hpp_arg arg = { - .b = &browser->b, + .b = &browser->b, .folded_sign = folded_sign, .current_entry = current_entry, }; @@ -755,11 +736,27 @@ static int hist_browser__show_entry(struct hist_browser *browser, ui_browser__gotorc(&browser->b, row, 0); perf_hpp__for_each_format(fmt) { - if (!first) { + if (perf_hpp__should_skip(fmt)) + continue; + + if (current_entry && browser->b.navkeypressed) { + ui_browser__set_color(&browser->b, + HE_COLORSET_SELECTED); + } else { + ui_browser__set_color(&browser->b, + HE_COLORSET_NORMAL); + } + + if (first) { + if (symbol_conf.use_callchain) { + slsmg_printf("%c ", folded_sign); + width -= 2; + } + first = false; + } else { slsmg_printf(" "); width -= 2; } - first = false; if (fmt->color) { width -= fmt->color(fmt, &hpp, entry); @@ -773,8 +770,8 @@ static int hist_browser__show_entry(struct hist_browser *browser, if (!browser->b.navkeypressed) width += 1; - hist_entry__sort_snprintf(entry, s, sizeof(s), browser->hists); - slsmg_write_nstring(s, width); + slsmg_write_nstring("", width); + ++row; ++printed; } else @@ -811,12 +808,12 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser) for (nd = browser->top; nd; nd = rb_next(nd)) { struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); - float percent = h->stat.period * 100.0 / - hb->hists->stats.total_period; + float percent; if (h->filtered) continue; + percent = hist_entry__get_percent_limit(h); if (percent < hb->min_pcnt) continue; @@ -829,18 +826,13 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser) } static struct rb_node *hists__filter_entries(struct rb_node *nd, - struct hists *hists, float min_pcnt) { while (nd != NULL) { struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); - float percent = h->stat.period * 100.0 / - hists->stats.total_period; - - if (percent < min_pcnt) - return NULL; + float percent = hist_entry__get_percent_limit(h); - if (!h->filtered) + if (!h->filtered && percent >= min_pcnt) return nd; nd = rb_next(nd); @@ -850,13 +842,11 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd, } static struct rb_node *hists__filter_prev_entries(struct rb_node *nd, - struct hists *hists, float min_pcnt) { while (nd != NULL) { struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); - float percent = h->stat.period * 100.0 / - hists->stats.total_period; + float percent = hist_entry__get_percent_limit(h); if (!h->filtered && percent >= min_pcnt) return nd; @@ -885,14 +875,14 @@ static void ui_browser__hists_seek(struct ui_browser *browser, switch (whence) { case SEEK_SET: nd = hists__filter_entries(rb_first(browser->entries), - hb->hists, hb->min_pcnt); + hb->min_pcnt); break; case SEEK_CUR: nd = browser->top; goto do_offset; case SEEK_END: nd = hists__filter_prev_entries(rb_last(browser->entries), - hb->hists, hb->min_pcnt); + hb->min_pcnt); first = false; break; default: @@ -935,8 +925,7 @@ do_offset: break; } } - nd = hists__filter_entries(rb_next(nd), hb->hists, - hb->min_pcnt); + nd = hists__filter_entries(rb_next(nd), hb->min_pcnt); if (nd == NULL) break; --offset; @@ -969,7 +958,7 @@ do_offset: } } - nd = hists__filter_prev_entries(rb_prev(nd), hb->hists, + nd = hists__filter_prev_entries(rb_prev(nd), hb->min_pcnt); if (nd == NULL) break; @@ -1108,27 +1097,35 @@ static int hist_browser__fprintf_entry(struct hist_browser *browser, struct hist_entry *he, FILE *fp) { char s[8192]; - double percent; int printed = 0; char folded_sign = ' '; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + }; + struct perf_hpp_fmt *fmt; + bool first = true; + int ret; if (symbol_conf.use_callchain) folded_sign = hist_entry__folded(he); - hist_entry__sort_snprintf(he, s, sizeof(s), browser->hists); - percent = (he->stat.period * 100.0) / browser->hists->stats.total_period; - if (symbol_conf.use_callchain) printed += fprintf(fp, "%c ", folded_sign); - printed += fprintf(fp, " %5.2f%%", percent); - - if (symbol_conf.show_nr_samples) - printed += fprintf(fp, " %11u", he->stat.nr_events); + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; - if (symbol_conf.show_total_period) - printed += fprintf(fp, " %12" PRIu64, he->stat.period); + if (!first) { + ret = scnprintf(hpp.buf, hpp.size, " "); + advance_hpp(&hpp, ret); + } else + first = false; + ret = fmt->entry(fmt, &hpp, he); + advance_hpp(&hpp, ret); + } printed += fprintf(fp, "%s\n", rtrim(s)); if (folded_sign == '-') @@ -1140,7 +1137,6 @@ static int hist_browser__fprintf_entry(struct hist_browser *browser, static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp) { struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries), - browser->hists, browser->min_pcnt); int printed = 0; @@ -1148,8 +1144,7 @@ static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp) struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); printed += hist_browser__fprintf_entry(browser, h, fp); - nd = hists__filter_entries(rb_next(nd), browser->hists, - browser->min_pcnt); + nd = hists__filter_entries(rb_next(nd), browser->min_pcnt); } return printed; @@ -1231,6 +1226,11 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size, char buf[512]; size_t buflen = sizeof(buf); + if (symbol_conf.filter_relative) { + nr_samples = hists->stats.nr_non_filtered_samples; + nr_events = hists->stats.total_non_filtered_period; + } + if (perf_evsel__is_group_event(evsel)) { struct perf_evsel *pos; @@ -1238,8 +1238,13 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size, ev_name = buf; for_each_group_member(pos, evsel) { - nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; - nr_events += pos->hists.stats.total_period; + if (symbol_conf.filter_relative) { + nr_samples += pos->hists.stats.nr_non_filtered_samples; + nr_events += pos->hists.stats.total_non_filtered_period; + } else { + nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; + nr_events += pos->hists.stats.total_period; + } } } @@ -1267,10 +1272,8 @@ static inline void free_popup_options(char **options, int n) { int i; - for (i = 0; i < n; ++i) { - free(options[i]); - options[i] = NULL; - } + for (i = 0; i < n; ++i) + zfree(&options[i]); } /* Check whether the browser is for 'top' or 'report' */ @@ -1329,7 +1332,7 @@ static int switch_data_file(void) abs_path[nr_options] = strdup(path); if (!abs_path[nr_options]) { - free(options[nr_options]); + zfree(&options[nr_options]); ui__warning("Can't search all data files due to memory shortage.\n"); fclose(file); break; @@ -1368,18 +1371,22 @@ close_file_and_continue: return ret; } -static void hist_browser__update_pcnt_entries(struct hist_browser *hb) +static void hist_browser__update_nr_entries(struct hist_browser *hb) { u64 nr_entries = 0; struct rb_node *nd = rb_first(&hb->hists->entries); - while (nd) { + if (hb->min_pcnt == 0) { + hb->nr_non_filtered_entries = hb->hists->nr_non_filtered_entries; + return; + } + + while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) { nr_entries++; - nd = hists__filter_entries(rb_next(nd), hb->hists, - hb->min_pcnt); + nd = rb_next(nd); } - hb->nr_pcnt_entries = nr_entries; + hb->nr_non_filtered_entries = nr_entries; } static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, @@ -1400,12 +1407,43 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, char script_opt[64]; int delay_secs = hbt ? hbt->refresh : 0; +#define HIST_BROWSER_HELP_COMMON \ + "h/?/F1 Show this window\n" \ + "UP/DOWN/PGUP\n" \ + "PGDN/SPACE Navigate\n" \ + "q/ESC/CTRL+C Exit browser\n\n" \ + "For multiple event sessions:\n\n" \ + "TAB/UNTAB Switch events\n\n" \ + "For symbolic views (--sort has sym):\n\n" \ + "-> Zoom into DSO/Threads & Annotate current symbol\n" \ + "<- Zoom out\n" \ + "a Annotate current symbol\n" \ + "C Collapse all callchains\n" \ + "d Zoom into current DSO\n" \ + "E Expand all callchains\n" \ + "F Toggle percentage of filtered entries\n" \ + + /* help messages are sorted by lexical order of the hotkey */ + const char report_help[] = HIST_BROWSER_HELP_COMMON + "i Show header information\n" + "P Print histograms to perf.hist.N\n" + "r Run available scripts\n" + "s Switch to another data file in PWD\n" + "t Zoom into current Thread\n" + "V Verbose (DSO names in callchains, etc)\n" + "/ Filter symbol by name"; + const char top_help[] = HIST_BROWSER_HELP_COMMON + "P Print histograms to perf.hist.N\n" + "t Zoom into current Thread\n" + "V Verbose (DSO names in callchains, etc)\n" + "/ Filter symbol by name"; + if (browser == NULL) return -1; if (min_pcnt) { browser->min_pcnt = min_pcnt; - hist_browser__update_pcnt_entries(browser); + hist_browser__update_nr_entries(browser); } fstack = pstack__new(2); @@ -1484,29 +1522,19 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, if (is_report_browser(hbt)) goto do_data_switch; continue; + case 'i': + /* env->arch is NULL for live-mode (i.e. perf top) */ + if (env->arch) + tui__header_window(env); + continue; + case 'F': + symbol_conf.filter_relative ^= 1; + continue; case K_F1: case 'h': case '?': ui_browser__help_window(&browser->b, - "h/?/F1 Show this window\n" - "UP/DOWN/PGUP\n" - "PGDN/SPACE Navigate\n" - "q/ESC/CTRL+C Exit browser\n\n" - "For multiple event sessions:\n\n" - "TAB/UNTAB Switch events\n\n" - "For symbolic views (--sort has sym):\n\n" - "-> Zoom into DSO/Threads & Annotate current symbol\n" - "<- Zoom out\n" - "a Annotate current symbol\n" - "C Collapse all callchains\n" - "E Expand all callchains\n" - "d Zoom into current DSO\n" - "t Zoom into current Thread\n" - "r Run available scripts('perf report' only)\n" - "s Switch to another data file in PWD ('perf report' only)\n" - "P Print histograms to perf.hist.N\n" - "V Verbose (DSO names in callchains, etc)\n" - "/ Filter symbol by name"); + is_report_browser(hbt) ? report_help : top_help); continue; case K_ENTER: case K_RIGHT: @@ -1566,13 +1594,18 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, bi->to.sym->name) > 0) annotate_t = nr_options++; } else { - if (browser->selection != NULL && browser->selection->sym != NULL && - !browser->selection->map->dso->annotate_warned && - asprintf(&options[nr_options], "Annotate %s", - browser->selection->sym->name) > 0) - annotate = nr_options++; + !browser->selection->map->dso->annotate_warned) { + struct annotation *notes; + + notes = symbol__annotation(browser->selection->sym); + + if (notes->src && + asprintf(&options[nr_options], "Annotate %s", + browser->selection->sym->name) > 0) + annotate = nr_options++; + } } if (thread != NULL && @@ -1629,6 +1662,7 @@ retry_popup_menu: if (choice == annotate || choice == annotate_t || choice == annotate_f) { struct hist_entry *he; + struct annotation *notes; int err; do_annotate: if (!objdump_path && perf_session_env__lookup_objdump(env)) @@ -1652,6 +1686,10 @@ do_annotate: he->ms.map = he->branch_info->to.map; } + notes = symbol__annotation(he->ms.sym); + if (!notes->src) + continue; + /* * Don't let this be freed, say, by hists__decay_entry. */ @@ -1679,14 +1717,14 @@ zoom_dso: zoom_out_dso: ui_helpline__pop(); browser->hists->dso_filter = NULL; - sort_dso.elide = false; + perf_hpp__set_elide(HISTC_DSO, false); } else { if (dso == NULL) continue; ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"", dso->kernel ? "the Kernel" : dso->short_name); browser->hists->dso_filter = dso; - sort_dso.elide = true; + perf_hpp__set_elide(HISTC_DSO, true); pstack__push(fstack, &browser->hists->dso_filter); } hists__filter_by_dso(hists); @@ -1698,13 +1736,13 @@ zoom_thread: zoom_out_thread: ui_helpline__pop(); browser->hists->thread_filter = NULL; - sort_thread.elide = false; + perf_hpp__set_elide(HISTC_THREAD, false); } else { ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", thread->comm_set ? thread__comm_str(thread) : "", thread->tid); browser->hists->thread_filter = thread; - sort_thread.elide = true; + perf_hpp__set_elide(HISTC_THREAD, false); pstack__push(fstack, &browser->hists->thread_filter); } hists__filter_by_thread(hists); @@ -1923,7 +1961,7 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, ui_helpline__push("Press ESC to exit"); - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { const char *ev_name = perf_evsel__name(pos); size_t line_len = strlen(ev_name) + 7; @@ -1955,9 +1993,10 @@ single_entry: struct perf_evsel *pos; nr_entries = 0; - list_for_each_entry(pos, &evlist->entries, node) + evlist__for_each(evlist, pos) { if (perf_evsel__is_group_leader(pos)) nr_entries++; + } if (nr_entries == 1) goto single_entry; diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c index d63c68ea02a..402d2bd30b0 100644 --- a/tools/perf/ui/browsers/scripts.c +++ b/tools/perf/ui/browsers/scripts.c @@ -173,8 +173,7 @@ int script_browse(const char *script_opt) if (script.b.width > AVERAGE_LINE_LEN) script.b.width = AVERAGE_LINE_LEN; - if (line) - free(line); + free(line); pclose(fp); script.nr_lines = nr_entries; diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c index 2ca66cc1160..6ca60e482cd 100644 --- a/tools/perf/ui/gtk/hists.c +++ b/tools/perf/ui/gtk/hists.c @@ -8,16 +8,24 @@ #define MAX_COLUMNS 32 -static int __percent_color_snprintf(char *buf, size_t size, double percent) +static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...) { int ret = 0; + va_list args; + double percent; const char *markup; + char *buf = hpp->buf; + size_t size = hpp->size; + + va_start(args, fmt); + percent = va_arg(args, double); + va_end(args); markup = perf_gtk__get_percent_color(percent); if (markup) ret += scnprintf(buf, size, markup); - ret += scnprintf(buf + ret, size - ret, " %6.2f%%", percent); + ret += scnprintf(buf + ret, size - ret, fmt, percent); if (markup) ret += scnprintf(buf + ret, size - ret, "</span>"); @@ -25,66 +33,6 @@ static int __percent_color_snprintf(char *buf, size_t size, double percent) return ret; } - -static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he, - u64 (*get_field)(struct hist_entry *)) -{ - int ret; - double percent = 0.0; - struct hists *hists = he->hists; - struct perf_evsel *evsel = hists_to_evsel(hists); - - if (hists->stats.total_period) - percent = 100.0 * get_field(he) / hists->stats.total_period; - - ret = __percent_color_snprintf(hpp->buf, hpp->size, percent); - - if (perf_evsel__is_group_event(evsel)) { - int prev_idx, idx_delta; - struct hist_entry *pair; - int nr_members = evsel->nr_members; - - prev_idx = perf_evsel__group_idx(evsel); - - list_for_each_entry(pair, &he->pairs.head, pairs.node) { - u64 period = get_field(pair); - u64 total = pair->hists->stats.total_period; - - evsel = hists_to_evsel(pair->hists); - idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1; - - while (idx_delta--) { - /* - * zero-fill group members in the middle which - * have no sample - */ - ret += __percent_color_snprintf(hpp->buf + ret, - hpp->size - ret, - 0.0); - } - - percent = 100.0 * period / total; - ret += __percent_color_snprintf(hpp->buf + ret, - hpp->size - ret, - percent); - - prev_idx = perf_evsel__group_idx(evsel); - } - - idx_delta = nr_members - prev_idx - 1; - - while (idx_delta--) { - /* - * zero-fill group members at last which have no sample - */ - ret += __percent_color_snprintf(hpp->buf + ret, - hpp->size - ret, - 0.0); - } - } - return ret; -} - #define __HPP_COLOR_PERCENT_FN(_type, _field) \ static u64 he_get_##_field(struct hist_entry *he) \ { \ @@ -95,7 +43,22 @@ static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp, \ struct hist_entry *he) \ { \ - return __hpp__color_fmt(hpp, he, he_get_##_field); \ + return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \ + __percent_color_snprintf, true); \ +} + +#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +static u64 he_get_acc_##_field(struct hist_entry *he) \ +{ \ + return he->stat_acc->_field; \ +} \ + \ +static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + return __hpp__fmt_acc(hpp, he, he_get_acc_##_field, " %6.2f%%", \ + __percent_color_snprintf, true); \ } __HPP_COLOR_PERCENT_FN(overhead, period) @@ -103,14 +66,13 @@ __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys) __HPP_COLOR_PERCENT_FN(overhead_us, period_us) __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys) __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us) +__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period) #undef __HPP_COLOR_PERCENT_FN void perf_gtk__init_hpp(void) { - perf_hpp__init(); - perf_hpp__format[PERF_HPP__OVERHEAD].color = perf_gtk__hpp_color_overhead; perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color = @@ -121,6 +83,8 @@ void perf_gtk__init_hpp(void) perf_gtk__hpp_color_overhead_guest_sys; perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color = perf_gtk__hpp_color_overhead_guest_us; + perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color = + perf_gtk__hpp_color_overhead_acc; } static void callchain_list__sym_name(struct callchain_list *cl, @@ -204,7 +168,6 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, struct perf_hpp_fmt *fmt; GType col_types[MAX_COLUMNS]; GtkCellRenderer *renderer; - struct sort_entry *se; GtkTreeStore *store; struct rb_node *nd; GtkWidget *view; @@ -216,7 +179,6 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, struct perf_hpp hpp = { .buf = s, .size = sizeof(s), - .ptr = hists_to_evsel(hists), }; nr_cols = 0; @@ -224,16 +186,6 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, perf_hpp__for_each_format(fmt) col_types[nr_cols++] = G_TYPE_STRING; - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (se->elide) - continue; - - if (se == &sort_sym) - sym_col = nr_cols; - - col_types[nr_cols++] = G_TYPE_STRING; - } - store = gtk_tree_store_newv(nr_cols, col_types); view = gtk_tree_view_new(); @@ -243,21 +195,21 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, col_idx = 0; perf_hpp__for_each_format(fmt) { - fmt->header(fmt, &hpp); + if (perf_hpp__should_skip(fmt)) + continue; - gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), - -1, ltrim(s), - renderer, "markup", - col_idx++, NULL); - } + /* + * XXX no way to determine where symcol column is.. + * Just use last column for now. + */ + if (perf_hpp__is_sort_entry(fmt)) + sym_col = col_idx; - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (se->elide) - continue; + fmt->header(fmt, &hpp, hists_to_evsel(hists)); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), - -1, se->se_header, - renderer, "text", + -1, ltrim(s), + renderer, "markup", col_idx++, NULL); } @@ -280,12 +232,13 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); GtkTreeIter iter; - float percent = h->stat.period * 100.0 / - hists->stats.total_period; + u64 total = hists__total_period(h->hists); + float percent; if (h->filtered) continue; + percent = hist_entry__get_percent_limit(h); if (percent < min_pcnt) continue; @@ -294,6 +247,9 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, col_idx = 0; perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + if (fmt->color) fmt->color(fmt, &hpp, h); else @@ -302,23 +258,10 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, gtk_tree_store_set(store, &iter, col_idx++, s, -1); } - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (se->elide) - continue; - - se->se_snprintf(h, s, ARRAY_SIZE(s), - hists__col_len(hists, se->se_width_idx)); - - gtk_tree_store_set(store, &iter, col_idx++, s, -1); - } - if (symbol_conf.use_callchain && sort__has_sym) { - u64 total; - if (callchain_param.mode == CHAIN_GRAPH_REL) - total = h->stat.period; - else - total = hists->stats.total_period; + total = symbol_conf.cumulate_callchain ? + h->stat_acc->period : h->stat.period; perf_gtk__add_callchain(&h->sorted_chain, store, &iter, sym_col, total); @@ -375,7 +318,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, gtk_container_add(GTK_CONTAINER(window), vbox); - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { struct hists *hists = &pos->hists; const char *evname = perf_evsel__name(pos); GtkWidget *scrolled_window; diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c index 696c1fbe424..52e7fc48af9 100644 --- a/tools/perf/ui/gtk/util.c +++ b/tools/perf/ui/gtk/util.c @@ -23,8 +23,7 @@ int perf_gtk__deactivate_context(struct perf_gtk_context **ctx) if (!perf_gtk__is_active_context(*ctx)) return -1; - free(*ctx); - *ctx = NULL; + zfree(ctx); return 0; } diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index 78f4c92e9b7..498adb23c02 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -8,27 +8,33 @@ /* hist period print (hpp) functions */ -typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...); - -static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, - u64 (*get_field)(struct hist_entry *), - const char *fmt, hpp_snprint_fn print_fn, - bool fmt_percent) +#define hpp__call_print_fn(hpp, fn, fmt, ...) \ +({ \ + int __ret = fn(hpp, fmt, ##__VA_ARGS__); \ + advance_hpp(hpp, __ret); \ + __ret; \ +}) + +int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, + hpp_field_fn get_field, const char *fmt, + hpp_snprint_fn print_fn, bool fmt_percent) { int ret; struct hists *hists = he->hists; struct perf_evsel *evsel = hists_to_evsel(hists); + char *buf = hpp->buf; + size_t size = hpp->size; if (fmt_percent) { double percent = 0.0; + u64 total = hists__total_period(hists); - if (hists->stats.total_period) - percent = 100.0 * get_field(he) / - hists->stats.total_period; + if (total) + percent = 100.0 * get_field(he) / total; - ret = print_fn(hpp->buf, hpp->size, fmt, percent); + ret = hpp__call_print_fn(hpp, print_fn, fmt, percent); } else - ret = print_fn(hpp->buf, hpp->size, fmt, get_field(he)); + ret = hpp__call_print_fn(hpp, print_fn, fmt, get_field(he)); if (perf_evsel__is_group_event(evsel)) { int prev_idx, idx_delta; @@ -39,7 +45,7 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, list_for_each_entry(pair, &he->pairs.head, pairs.node) { u64 period = get_field(pair); - u64 total = pair->hists->stats.total_period; + u64 total = hists__total_period(pair->hists); if (!total) continue; @@ -52,16 +58,22 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, * zero-fill group members in the middle which * have no sample */ - ret += print_fn(hpp->buf + ret, hpp->size - ret, - fmt, 0); + if (fmt_percent) { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, 0.0); + } else { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, 0ULL); + } } - if (fmt_percent) - ret += print_fn(hpp->buf + ret, hpp->size - ret, - fmt, 100.0 * period / total); - else - ret += print_fn(hpp->buf + ret, hpp->size - ret, - fmt, period); + if (fmt_percent) { + ret += hpp__call_print_fn(hpp, print_fn, fmt, + 100.0 * period / total); + } else { + ret += hpp__call_print_fn(hpp, print_fn, fmt, + period); + } prev_idx = perf_evsel__group_idx(evsel); } @@ -72,41 +84,166 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, /* * zero-fill group members at last which have no sample */ - ret += print_fn(hpp->buf + ret, hpp->size - ret, - fmt, 0); + if (fmt_percent) { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, 0.0); + } else { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, 0ULL); + } } } + + /* + * Restore original buf and size as it's where caller expects + * the result will be saved. + */ + hpp->buf = buf; + hpp->size = size; + + return ret; +} + +int __hpp__fmt_acc(struct perf_hpp *hpp, struct hist_entry *he, + hpp_field_fn get_field, const char *fmt, + hpp_snprint_fn print_fn, bool fmt_percent) +{ + if (!symbol_conf.cumulate_callchain) { + return snprintf(hpp->buf, hpp->size, "%*s", + fmt_percent ? 8 : 12, "N/A"); + } + + return __hpp__fmt(hpp, he, get_field, fmt, print_fn, fmt_percent); +} + +static int field_cmp(u64 field_a, u64 field_b) +{ + if (field_a > field_b) + return 1; + if (field_a < field_b) + return -1; + return 0; +} + +static int __hpp__sort(struct hist_entry *a, struct hist_entry *b, + hpp_field_fn get_field) +{ + s64 ret; + int i, nr_members; + struct perf_evsel *evsel; + struct hist_entry *pair; + u64 *fields_a, *fields_b; + + ret = field_cmp(get_field(a), get_field(b)); + if (ret || !symbol_conf.event_group) + return ret; + + evsel = hists_to_evsel(a->hists); + if (!perf_evsel__is_group_event(evsel)) + return ret; + + nr_members = evsel->nr_members; + fields_a = calloc(sizeof(*fields_a), nr_members); + fields_b = calloc(sizeof(*fields_b), nr_members); + + if (!fields_a || !fields_b) + goto out; + + list_for_each_entry(pair, &a->pairs.head, pairs.node) { + evsel = hists_to_evsel(pair->hists); + fields_a[perf_evsel__group_idx(evsel)] = get_field(pair); + } + + list_for_each_entry(pair, &b->pairs.head, pairs.node) { + evsel = hists_to_evsel(pair->hists); + fields_b[perf_evsel__group_idx(evsel)] = get_field(pair); + } + + for (i = 1; i < nr_members; i++) { + ret = field_cmp(fields_a[i], fields_b[i]); + if (ret) + break; + } + +out: + free(fields_a); + free(fields_b); + + return ret; +} + +static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b, + hpp_field_fn get_field) +{ + s64 ret = 0; + + if (symbol_conf.cumulate_callchain) { + /* + * Put caller above callee when they have equal period. + */ + ret = field_cmp(get_field(a), get_field(b)); + if (ret) + return ret; + + ret = b->callchain->max_depth - a->callchain->max_depth; + } return ret; } #define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \ static int hpp__header_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ - struct perf_hpp *hpp) \ + struct perf_hpp *hpp, \ + struct perf_evsel *evsel) \ { \ int len = _min_width; \ \ - if (symbol_conf.event_group) { \ - struct perf_evsel *evsel = hpp->ptr; \ - \ + if (symbol_conf.event_group) \ len = max(len, evsel->nr_members * _unit_width); \ - } \ + \ return scnprintf(hpp->buf, hpp->size, "%*s", len, _str); \ } #define __HPP_WIDTH_FN(_type, _min_width, _unit_width) \ static int hpp__width_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ - struct perf_hpp *hpp __maybe_unused) \ + struct perf_hpp *hpp __maybe_unused, \ + struct perf_evsel *evsel) \ { \ int len = _min_width; \ \ - if (symbol_conf.event_group) { \ - struct perf_evsel *evsel = hpp->ptr; \ - \ + if (symbol_conf.event_group) \ len = max(len, evsel->nr_members * _unit_width); \ - } \ + \ return len; \ } +static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...) +{ + va_list args; + ssize_t ssize = hpp->size; + double percent; + int ret; + + va_start(args, fmt); + percent = va_arg(args, double); + ret = value_color_snprintf(hpp->buf, hpp->size, fmt, percent); + va_end(args); + + return (ret >= ssize) ? (ssize - 1) : ret; +} + +static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...) +{ + va_list args; + ssize_t ssize = hpp->size; + int ret; + + va_start(args, fmt); + ret = vsnprintf(hpp->buf, hpp->size, fmt, args); + va_end(args); + + return (ret >= ssize) ? (ssize - 1) : ret; +} + #define __HPP_COLOR_PERCENT_FN(_type, _field) \ static u64 he_get_##_field(struct hist_entry *he) \ { \ @@ -117,7 +254,7 @@ static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ struct perf_hpp *hpp, struct hist_entry *he) \ { \ return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \ - percent_color_snprintf, true); \ + hpp_color_scnprintf, true); \ } #define __HPP_ENTRY_PERCENT_FN(_type, _field) \ @@ -126,7 +263,41 @@ static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \ { \ const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \ return __hpp__fmt(hpp, he, he_get_##_field, fmt, \ - scnprintf, true); \ + hpp_entry_scnprintf, true); \ +} + +#define __HPP_SORT_FN(_type, _field) \ +static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ +{ \ + return __hpp__sort(a, b, he_get_##_field); \ +} + +#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +static u64 he_get_acc_##_field(struct hist_entry *he) \ +{ \ + return he->stat_acc->_field; \ +} \ + \ +static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct perf_hpp *hpp, struct hist_entry *he) \ +{ \ + return __hpp__fmt_acc(hpp, he, he_get_acc_##_field, " %6.2f%%", \ + hpp_color_scnprintf, true); \ +} + +#define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \ +static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \ + struct perf_hpp *hpp, struct hist_entry *he) \ +{ \ + const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \ + return __hpp__fmt_acc(hpp, he, he_get_acc_##_field, fmt, \ + hpp_entry_scnprintf, true); \ +} + +#define __HPP_SORT_ACC_FN(_type, _field) \ +static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ +{ \ + return __hpp__sort_acc(a, b, he_get_acc_##_field); \ } #define __HPP_ENTRY_RAW_FN(_type, _field) \ @@ -139,43 +310,85 @@ static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \ struct perf_hpp *hpp, struct hist_entry *he) \ { \ const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64; \ - return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, scnprintf, false); \ + return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, \ + hpp_entry_scnprintf, false); \ } +#define __HPP_SORT_RAW_FN(_type, _field) \ +static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ +{ \ + return __hpp__sort(a, b, he_get_raw_##_field); \ +} + + #define HPP_PERCENT_FNS(_type, _str, _field, _min_width, _unit_width) \ __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \ __HPP_WIDTH_FN(_type, _min_width, _unit_width) \ __HPP_COLOR_PERCENT_FN(_type, _field) \ -__HPP_ENTRY_PERCENT_FN(_type, _field) +__HPP_ENTRY_PERCENT_FN(_type, _field) \ +__HPP_SORT_FN(_type, _field) + +#define HPP_PERCENT_ACC_FNS(_type, _str, _field, _min_width, _unit_width)\ +__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \ +__HPP_WIDTH_FN(_type, _min_width, _unit_width) \ +__HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +__HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \ +__HPP_SORT_ACC_FN(_type, _field) #define HPP_RAW_FNS(_type, _str, _field, _min_width, _unit_width) \ __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \ __HPP_WIDTH_FN(_type, _min_width, _unit_width) \ -__HPP_ENTRY_RAW_FN(_type, _field) +__HPP_ENTRY_RAW_FN(_type, _field) \ +__HPP_SORT_RAW_FN(_type, _field) +__HPP_HEADER_FN(overhead_self, "Self", 8, 8) HPP_PERCENT_FNS(overhead, "Overhead", period, 8, 8) HPP_PERCENT_FNS(overhead_sys, "sys", period_sys, 8, 8) HPP_PERCENT_FNS(overhead_us, "usr", period_us, 8, 8) HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_guest_sys, 9, 8) HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8) +HPP_PERCENT_ACC_FNS(overhead_acc, "Children", period, 8, 8) HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12) HPP_RAW_FNS(period, "Period", period, 12, 12) +static int64_t hpp__nop_cmp(struct hist_entry *a __maybe_unused, + struct hist_entry *b __maybe_unused) +{ + return 0; +} + #define HPP__COLOR_PRINT_FNS(_name) \ { \ .header = hpp__header_ ## _name, \ .width = hpp__width_ ## _name, \ .color = hpp__color_ ## _name, \ - .entry = hpp__entry_ ## _name \ + .entry = hpp__entry_ ## _name, \ + .cmp = hpp__nop_cmp, \ + .collapse = hpp__nop_cmp, \ + .sort = hpp__sort_ ## _name, \ + } + +#define HPP__COLOR_ACC_PRINT_FNS(_name) \ + { \ + .header = hpp__header_ ## _name, \ + .width = hpp__width_ ## _name, \ + .color = hpp__color_ ## _name, \ + .entry = hpp__entry_ ## _name, \ + .cmp = hpp__nop_cmp, \ + .collapse = hpp__nop_cmp, \ + .sort = hpp__sort_ ## _name, \ } #define HPP__PRINT_FNS(_name) \ { \ .header = hpp__header_ ## _name, \ .width = hpp__width_ ## _name, \ - .entry = hpp__entry_ ## _name \ + .entry = hpp__entry_ ## _name, \ + .cmp = hpp__nop_cmp, \ + .collapse = hpp__nop_cmp, \ + .sort = hpp__sort_ ## _name, \ } struct perf_hpp_fmt perf_hpp__format[] = { @@ -184,28 +397,63 @@ struct perf_hpp_fmt perf_hpp__format[] = { HPP__COLOR_PRINT_FNS(overhead_us), HPP__COLOR_PRINT_FNS(overhead_guest_sys), HPP__COLOR_PRINT_FNS(overhead_guest_us), + HPP__COLOR_ACC_PRINT_FNS(overhead_acc), HPP__PRINT_FNS(samples), HPP__PRINT_FNS(period) }; LIST_HEAD(perf_hpp__list); +LIST_HEAD(perf_hpp__sort_list); #undef HPP__COLOR_PRINT_FNS +#undef HPP__COLOR_ACC_PRINT_FNS #undef HPP__PRINT_FNS #undef HPP_PERCENT_FNS +#undef HPP_PERCENT_ACC_FNS #undef HPP_RAW_FNS #undef __HPP_HEADER_FN #undef __HPP_WIDTH_FN #undef __HPP_COLOR_PERCENT_FN #undef __HPP_ENTRY_PERCENT_FN +#undef __HPP_COLOR_ACC_PERCENT_FN +#undef __HPP_ENTRY_ACC_PERCENT_FN #undef __HPP_ENTRY_RAW_FN +#undef __HPP_SORT_FN +#undef __HPP_SORT_ACC_FN +#undef __HPP_SORT_RAW_FN void perf_hpp__init(void) { + struct list_head *list; + int i; + + for (i = 0; i < PERF_HPP__MAX_INDEX; i++) { + struct perf_hpp_fmt *fmt = &perf_hpp__format[i]; + + INIT_LIST_HEAD(&fmt->list); + + /* sort_list may be linked by setup_sorting() */ + if (fmt->sort_list.next == NULL) + INIT_LIST_HEAD(&fmt->sort_list); + } + + /* + * If user specified field order, no need to setup default fields. + */ + if (field_order) + return; + + if (symbol_conf.cumulate_callchain) { + perf_hpp__column_enable(PERF_HPP__OVERHEAD_ACC); + + perf_hpp__format[PERF_HPP__OVERHEAD].header = + hpp__header_overhead_self; + } + perf_hpp__column_enable(PERF_HPP__OVERHEAD); if (symbol_conf.show_cpu_utilization) { @@ -223,6 +471,17 @@ void perf_hpp__init(void) if (symbol_conf.show_total_period) perf_hpp__column_enable(PERF_HPP__PERIOD); + + /* prepend overhead field for backward compatiblity. */ + list = &perf_hpp__format[PERF_HPP__OVERHEAD].sort_list; + if (list_empty(list)) + list_add(list, &perf_hpp__sort_list); + + if (symbol_conf.cumulate_callchain) { + list = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC].sort_list; + if (list_empty(list)) + list_add(list, &perf_hpp__sort_list); + } } void perf_hpp__column_register(struct perf_hpp_fmt *format) @@ -230,29 +489,110 @@ void perf_hpp__column_register(struct perf_hpp_fmt *format) list_add_tail(&format->list, &perf_hpp__list); } +void perf_hpp__column_unregister(struct perf_hpp_fmt *format) +{ + list_del(&format->list); +} + +void perf_hpp__register_sort_field(struct perf_hpp_fmt *format) +{ + list_add_tail(&format->sort_list, &perf_hpp__sort_list); +} + void perf_hpp__column_enable(unsigned col) { BUG_ON(col >= PERF_HPP__MAX_INDEX); perf_hpp__column_register(&perf_hpp__format[col]); } -int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size, - struct hists *hists) +void perf_hpp__column_disable(unsigned col) { - const char *sep = symbol_conf.field_sep; - struct sort_entry *se; - int ret = 0; + BUG_ON(col >= PERF_HPP__MAX_INDEX); + perf_hpp__column_unregister(&perf_hpp__format[col]); +} + +void perf_hpp__cancel_cumulate(void) +{ + if (field_order) + return; + + perf_hpp__column_disable(PERF_HPP__OVERHEAD_ACC); + perf_hpp__format[PERF_HPP__OVERHEAD].header = hpp__header_overhead; +} - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (se->elide) +void perf_hpp__setup_output_field(void) +{ + struct perf_hpp_fmt *fmt; + + /* append sort keys to output field */ + perf_hpp__for_each_sort_list(fmt) { + if (!list_empty(&fmt->list)) continue; - ret += scnprintf(s + ret, size - ret, "%s", sep ?: " "); - ret += se->se_snprintf(he, s + ret, size - ret, - hists__col_len(hists, se->se_width_idx)); + /* + * sort entry fields are dynamically created, + * so they can share a same sort key even though + * the list is empty. + */ + if (perf_hpp__is_sort_entry(fmt)) { + struct perf_hpp_fmt *pos; + + perf_hpp__for_each_format(pos) { + if (perf_hpp__same_sort_entry(pos, fmt)) + goto next; + } + } + + perf_hpp__column_register(fmt); +next: + continue; } +} - return ret; +void perf_hpp__append_sort_keys(void) +{ + struct perf_hpp_fmt *fmt; + + /* append output fields to sort keys */ + perf_hpp__for_each_format(fmt) { + if (!list_empty(&fmt->sort_list)) + continue; + + /* + * sort entry fields are dynamically created, + * so they can share a same sort key even though + * the list is empty. + */ + if (perf_hpp__is_sort_entry(fmt)) { + struct perf_hpp_fmt *pos; + + perf_hpp__for_each_sort_list(pos) { + if (perf_hpp__same_sort_entry(pos, fmt)) + goto next; + } + } + + perf_hpp__register_sort_field(fmt); +next: + continue; + } +} + +void perf_hpp__reset_output_field(void) +{ + struct perf_hpp_fmt *fmt, *tmp; + + /* reset output fields */ + perf_hpp__for_each_format_safe(fmt, tmp) { + list_del_init(&fmt->list); + list_del_init(&fmt->sort_list); + } + + /* reset sort keys */ + perf_hpp__for_each_sort_list_safe(fmt, tmp) { + list_del_init(&fmt->list); + list_del_init(&fmt->sort_list); + } } /* @@ -261,24 +601,23 @@ int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size, unsigned int hists__sort_list_width(struct hists *hists) { struct perf_hpp_fmt *fmt; - struct sort_entry *se; - int i = 0, ret = 0; - struct perf_hpp dummy_hpp = { - .ptr = hists_to_evsel(hists), - }; + int ret = 0; + bool first = true; + struct perf_hpp dummy_hpp; perf_hpp__for_each_format(fmt) { - if (i) + if (perf_hpp__should_skip(fmt)) + continue; + + if (first) + first = false; + else ret += 2; - ret += fmt->width(fmt, &dummy_hpp); + ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); } - list_for_each_entry(se, &hist_entry__sort_list, list) - if (!se->elide) - ret += 2 + hists__col_len(hists, se->se_width_idx); - - if (verbose) /* Addr + origin */ + if (verbose && sort__has_sym) /* Addr + origin */ ret += 3 + BITS_PER_LONG / 4; return ret; diff --git a/tools/perf/ui/progress.h b/tools/perf/ui/progress.h index 29ec8efffef..f34f89eb607 100644 --- a/tools/perf/ui/progress.h +++ b/tools/perf/ui/progress.h @@ -1,7 +1,7 @@ #ifndef _PERF_UI_PROGRESS_H_ #define _PERF_UI_PROGRESS_H_ 1 -#include <../types.h> +#include <linux/types.h> void ui_progress__finish(void); diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c index 5df5140a9f2..ba51fa8a117 100644 --- a/tools/perf/ui/setup.c +++ b/tools/perf/ui/setup.c @@ -86,8 +86,6 @@ void setup_browser(bool fallback_to_pager) use_browser = 0; if (fallback_to_pager) setup_pager(); - - perf_hpp__init(); break; } } diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c index c244cb524ef..90122abd372 100644 --- a/tools/perf/ui/stdio/hist.c +++ b/tools/perf/ui/stdio/hist.c @@ -183,7 +183,8 @@ static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root, * the symbol. No need to print it otherwise it appears as * displayed twice. */ - if (!i++ && sort__first_dimension == SORT_SYM) + if (!i++ && field_order == NULL && + sort_order && !prefixcmp(sort_order, "sym")) continue; if (!printed) { ret += callchain__fprintf_left_margin(fp, left_margin); @@ -270,7 +271,9 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he, { switch (callchain_param.mode) { case CHAIN_GRAPH_REL: - return callchain__fprintf_graph(fp, &he->sorted_chain, he->stat.period, + return callchain__fprintf_graph(fp, &he->sorted_chain, + symbol_conf.cumulate_callchain ? + he->stat_acc->period : he->stat.period, left_margin); break; case CHAIN_GRAPH_ABS: @@ -296,24 +299,24 @@ static size_t hist_entry__callchain_fprintf(struct hist_entry *he, int left_margin = 0; u64 total_period = hists->stats.total_period; - if (sort__first_dimension == SORT_COMM) { - struct sort_entry *se = list_first_entry(&hist_entry__sort_list, - typeof(*se), list); - left_margin = hists__col_len(hists, se->se_width_idx); - left_margin -= thread__comm_len(he->thread); - } + if (field_order == NULL && (sort_order == NULL || + !prefixcmp(sort_order, "comm"))) { + struct perf_hpp_fmt *fmt; - return hist_entry_callchain__fprintf(he, total_period, left_margin, fp); -} + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; -static inline void advance_hpp(struct perf_hpp *hpp, int inc) -{ - hpp->buf += inc; - hpp->size -= inc; + /* must be 'comm' sort entry */ + left_margin = fmt->width(fmt, NULL, hists_to_evsel(hists)); + left_margin -= thread__comm_len(he->thread); + break; + } + } + return hist_entry_callchain__fprintf(he, total_period, left_margin, fp); } -static int hist_entry__period_snprintf(struct perf_hpp *hpp, - struct hist_entry *he) +static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp) { const char *sep = symbol_conf.field_sep; struct perf_hpp_fmt *fmt; @@ -325,6 +328,9 @@ static int hist_entry__period_snprintf(struct perf_hpp *hpp, return 0; perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + /* * If there's no field_sep, we still need * to display initial ' '. @@ -359,8 +365,7 @@ static int hist_entry__fprintf(struct hist_entry *he, size_t size, if (size == 0 || size > bfsz) size = hpp.size = bfsz; - ret = hist_entry__period_snprintf(&hpp, he); - hist_entry__sort_snprintf(he, bf + ret, size - ret, hists); + hist_entry__snprintf(he, &hpp); ret = fprintf(fp, "%s\n", bf); @@ -374,18 +379,15 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, int max_cols, float min_pcnt, FILE *fp) { struct perf_hpp_fmt *fmt; - struct sort_entry *se; struct rb_node *nd; size_t ret = 0; unsigned int width; const char *sep = symbol_conf.field_sep; - const char *col_width = symbol_conf.col_width_list_str; int nr_rows = 0; char bf[96]; struct perf_hpp dummy_hpp = { .buf = bf, .size = sizeof(bf), - .ptr = hists_to_evsel(hists), }; bool first = true; size_t linesz; @@ -393,43 +395,28 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, init_rem_hits(); + + perf_hpp__for_each_format(fmt) + perf_hpp__reset_width(fmt, hists); + if (!show_header) goto print_entries; fprintf(fp, "# "); perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + if (!first) fprintf(fp, "%s", sep ?: " "); else first = false; - fmt->header(fmt, &dummy_hpp); + fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); fprintf(fp, "%s", bf); } - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (se->elide) - continue; - if (sep) { - fprintf(fp, "%c%s", *sep, se->se_header); - continue; - } - width = strlen(se->se_header); - if (symbol_conf.col_width_list_str) { - if (col_width) { - hists__set_col_len(hists, se->se_width_idx, - atoi(col_width)); - col_width = strchr(col_width, ','); - if (col_width) - ++col_width; - } - } - if (!hists__new_col_len(hists, se->se_width_idx, width)) - width = hists__col_len(hists, se->se_width_idx); - fprintf(fp, " %*s", width, se->se_header); - } - fprintf(fp, "\n"); if (max_rows && ++nr_rows >= max_rows) goto out; @@ -444,26 +431,15 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, perf_hpp__for_each_format(fmt) { unsigned int i; + if (perf_hpp__should_skip(fmt)) + continue; + if (!first) fprintf(fp, "%s", sep ?: " "); else first = false; - width = fmt->width(fmt, &dummy_hpp); - for (i = 0; i < width; i++) - fprintf(fp, "."); - } - - list_for_each_entry(se, &hist_entry__sort_list, list) { - unsigned int i; - - if (se->elide) - continue; - - fprintf(fp, " "); - width = hists__col_len(hists, se->se_width_idx); - if (width == 0) - width = strlen(se->se_header); + width = fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); for (i = 0; i < width; i++) fprintf(fp, "."); } @@ -487,12 +463,12 @@ print_entries: for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); - float percent = h->stat.period * 100.0 / - hists->stats.total_period; + float percent; if (h->filtered) continue; + percent = hist_entry__get_percent_limit(h); if (percent < min_pcnt) continue; @@ -502,7 +478,7 @@ print_entries: break; if (h->ms.map == NULL && verbose > 1) { - __map_groups__fprintf_maps(&h->thread->mg, + __map_groups__fprintf_maps(h->thread->mg, MAP__FUNCTION, verbose, fp); fprintf(fp, "%.10s end\n", graph_dotted_line); } @@ -510,7 +486,7 @@ print_entries: free(line); out: - free(rem_sq_bracket); + zfree(&rem_sq_bracket); return ret; } diff --git a/tools/perf/ui/tui/util.c b/tools/perf/ui/tui/util.c index 092902e30ce..bf890f72fe8 100644 --- a/tools/perf/ui/tui/util.c +++ b/tools/perf/ui/tui/util.c @@ -92,6 +92,8 @@ int ui_browser__input_window(const char *title, const char *text, char *input, t = sep + 1; } + pthread_mutex_lock(&ui__lock); + max_len += 2; nr_lines += 8; y = SLtt_Screen_Rows / 2 - nr_lines / 2; @@ -120,13 +122,19 @@ int ui_browser__input_window(const char *title, const char *text, char *input, SLsmg_write_nstring((char *)exit_msg, max_len); SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); + x += 2; len = 0; key = ui__getch(delay_secs); while (key != K_TIMER && key != K_ENTER && key != K_ESC) { + pthread_mutex_lock(&ui__lock); + if (key == K_BKSPC) { - if (len == 0) + if (len == 0) { + pthread_mutex_unlock(&ui__lock); goto next_key; + } SLsmg_gotorc(y, x + --len); SLsmg_write_char(' '); } else { @@ -136,6 +144,8 @@ int ui_browser__input_window(const char *title, const char *text, char *input, } SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); + /* XXX more graceful overflow handling needed */ if (len == sizeof(buf) - 1) { ui_helpline__push("maximum size of symbol name reached!"); @@ -174,6 +184,8 @@ int ui__question_window(const char *title, const char *text, t = sep + 1; } + pthread_mutex_lock(&ui__lock); + max_len += 2; nr_lines += 4; y = SLtt_Screen_Rows / 2 - nr_lines / 2, @@ -195,6 +207,9 @@ int ui__question_window(const char *title, const char *text, SLsmg_gotorc(y + nr_lines - 1, x); SLsmg_write_nstring((char *)exit_msg, max_len); SLsmg_refresh(); + + pthread_mutex_unlock(&ui__lock); + return ui__getch(delay_secs); } @@ -215,9 +230,7 @@ static int __ui__warning(const char *title, const char *format, va_list args) if (vasprintf(&s, format, args) > 0) { int key; - pthread_mutex_lock(&ui__lock); key = ui__question_window(title, s, "Press any key...", 0); - pthread_mutex_unlock(&ui__lock); free(s); return key; } diff --git a/tools/perf/util/alias.c b/tools/perf/util/alias.c index e6d134773d0..c0b43ee40d9 100644 --- a/tools/perf/util/alias.c +++ b/tools/perf/util/alias.c @@ -55,8 +55,7 @@ int split_cmdline(char *cmdline, const char ***argv) src++; c = cmdline[src]; if (!c) { - free(*argv); - *argv = NULL; + zfree(argv); return error("cmdline ends with \\"); } } @@ -68,8 +67,7 @@ int split_cmdline(char *cmdline, const char ***argv) cmdline[dst] = 0; if (quoted) { - free(*argv); - *argv = NULL; + zfree(argv); return error("unclosed quote"); } diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index cf6242c92ee..809b4c50bea 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -8,6 +8,8 @@ */ #include "util.h" +#include "ui/ui.h" +#include "sort.h" #include "build-id.h" #include "color.h" #include "cache.h" @@ -26,10 +28,10 @@ static int disasm_line__parse(char *line, char **namep, char **rawp); static void ins__delete(struct ins_operands *ops) { - free(ops->source.raw); - free(ops->source.name); - free(ops->target.raw); - free(ops->target.name); + zfree(&ops->source.raw); + zfree(&ops->source.name); + zfree(&ops->target.raw); + zfree(&ops->target.name); } static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, @@ -185,8 +187,7 @@ static int lock__parse(struct ins_operands *ops) return 0; out_free_ops: - free(ops->locked.ops); - ops->locked.ops = NULL; + zfree(&ops->locked.ops); return 0; } @@ -205,9 +206,9 @@ static int lock__scnprintf(struct ins *ins, char *bf, size_t size, static void lock__delete(struct ins_operands *ops) { - free(ops->locked.ops); - free(ops->target.raw); - free(ops->target.name); + zfree(&ops->locked.ops); + zfree(&ops->target.raw); + zfree(&ops->target.name); } static struct ins_ops lock_ops = { @@ -256,8 +257,7 @@ static int mov__parse(struct ins_operands *ops) return 0; out_free_source: - free(ops->source.raw); - ops->source.raw = NULL; + zfree(&ops->source.raw); return -1; } @@ -464,17 +464,12 @@ void symbol__annotate_zero_histograms(struct symbol *sym) pthread_mutex_unlock(¬es->lock); } -int symbol__inc_addr_samples(struct symbol *sym, struct map *map, - int evidx, u64 addr) +static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, + struct annotation *notes, int evidx, u64 addr) { unsigned offset; - struct annotation *notes; struct sym_hist *h; - notes = symbol__annotation(sym); - if (notes->src == NULL) - return -ENOMEM; - pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); if (addr < sym->start || addr > sym->end) @@ -491,6 +486,33 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map, return 0; } +static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, + int evidx, u64 addr) +{ + struct annotation *notes; + + if (sym == NULL) + return 0; + + notes = symbol__annotation(sym); + if (notes->src == NULL) { + if (symbol__alloc_hist(sym) < 0) + return -ENOMEM; + } + + return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); +} + +int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) +{ + return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); +} + +int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) +{ + return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); +} + static void disasm_line__init_ins(struct disasm_line *dl) { dl->ins = ins__find(dl->name); @@ -538,8 +560,7 @@ static int disasm_line__parse(char *line, char **namep, char **rawp) return 0; out_free_name: - free(*namep); - *namep = NULL; + zfree(namep); return -1; } @@ -564,7 +585,7 @@ static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privs return dl; out_free_line: - free(dl->line); + zfree(&dl->line); out_delete: free(dl); return NULL; @@ -572,8 +593,8 @@ out_delete: void disasm_line__free(struct disasm_line *dl) { - free(dl->line); - free(dl->name); + zfree(&dl->line); + zfree(&dl->name); if (dl->ins && dl->ins->ops->free) dl->ins->ops->free(&dl->ops); else @@ -900,7 +921,7 @@ fallback: * cache, or is just a kallsyms file, well, lets hope that this * DSO is the same as when 'perf record' ran. */ - filename = dso->long_name; + filename = (char *)dso->long_name; snprintf(symfs_filename, sizeof(symfs_filename), "%s%s", symbol_conf.symfs, filename); free_filename = false; @@ -1091,8 +1112,7 @@ static void symbol__free_source_line(struct symbol *sym, int len) src_line = (void *)src_line + sizeof_src_line; } - free(notes->src->lines); - notes->src->lines = NULL; + zfree(¬es->src->lines); } /* Get the filename:line for the colored entries */ @@ -1216,6 +1236,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, struct dso *dso = map->dso; char *filename; const char *d_filename; + const char *evsel_name = perf_evsel__name(evsel); struct annotation *notes = symbol__annotation(sym); struct disasm_line *pos, *queue = NULL; u64 start = map__rip_2objdump(map, sym->start); @@ -1223,7 +1244,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int more = 0; u64 len; int width = 8; - int namelen; + int namelen, evsel_name_len, graph_dotted_len; filename = strdup(dso->long_name); if (!filename) @@ -1236,14 +1257,17 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, len = symbol__size(sym); namelen = strlen(d_filename); + evsel_name_len = strlen(evsel_name); if (perf_evsel__is_group_event(evsel)) width *= evsel->nr_members; - printf(" %-*.*s| Source code & Disassembly of %s\n", - width, width, "Percent", d_filename); - printf("-%-*.*s-------------------------------------\n", - width+namelen, width+namelen, graph_dotted_line); + printf(" %-*.*s| Source code & Disassembly of %s for %s\n", + width, width, "Percent", d_filename, evsel_name); + + graph_dotted_len = width + namelen + evsel_name_len; + printf("-%-*.*s-----------------------------------------\n", + graph_dotted_len, graph_dotted_len, graph_dotted_line); if (verbose) symbol__annotate_hits(sym, evsel); @@ -1376,3 +1400,13 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, return 0; } + +int hist_entry__annotate(struct hist_entry *he, size_t privsize) +{ + return symbol__annotate(he->ms.sym, he->ms.map, privsize); +} + +bool ui__has_annotation(void) +{ + return use_browser == 1 && sort__has_sym; +} diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 834b7b57b78..112d6e26815 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -3,7 +3,7 @@ #include <stdbool.h> #include <stdint.h> -#include "types.h" +#include <linux/types.h> #include "symbol.h" #include "hist.h" #include "sort.h" @@ -132,12 +132,17 @@ static inline struct annotation *symbol__annotation(struct symbol *sym) return &a->annotation; } -int symbol__inc_addr_samples(struct symbol *sym, struct map *map, - int evidx, u64 addr); +int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx); + +int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr); + int symbol__alloc_hist(struct symbol *sym); void symbol__annotate_zero_histograms(struct symbol *sym); int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize); + +int hist_entry__annotate(struct hist_entry *he, size_t privsize); + int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym); int symbol__annotate_printf(struct symbol *sym, struct map *map, struct perf_evsel *evsel, bool full_paths, @@ -146,6 +151,8 @@ void symbol__annotate_zero_histogram(struct symbol *sym, int evidx); void symbol__annotate_decay_histogram(struct symbol *sym, int evidx); void disasm__purge(struct list_head *head); +bool ui__has_annotation(void); + int symbol__tty_annotate(struct symbol *sym, struct map *map, struct perf_evsel *evsel, bool print_lines, bool full_paths, int min_pcnt, int max_lines); diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index a92770c98cc..a904a4cfe7d 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -25,7 +25,7 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, struct addr_location al; u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; struct thread *thread = machine__findnew_thread(machine, sample->pid, - sample->pid); + sample->tid); if (thread == NULL) { pr_err("problem processing %d event, skipping it.\n", @@ -89,7 +89,7 @@ int build_id__sprintf(const u8 *build_id, int len, char *bf) return raw - build_id; } -char *dso__build_id_filename(struct dso *dso, char *bf, size_t size) +char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size) { char build_id_hex[BUILD_ID_SIZE * 2 + 1]; diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h index 929f28a7c14..ae392561470 100644 --- a/tools/perf/util/build-id.h +++ b/tools/perf/util/build-id.h @@ -4,13 +4,13 @@ #define BUILD_ID_SIZE 20 #include "tool.h" -#include "types.h" +#include <linux/types.h> extern struct perf_tool build_id__mark_dso_hit_ops; struct dso; int build_id__sprintf(const u8 *build_id, int len, char *bf); -char *dso__build_id_filename(struct dso *dso, char *bf, size_t size); +char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size); int build_id__mark_dso_hit(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index e3970e3eaac..48b6d3f5001 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -15,12 +15,94 @@ #include <errno.h> #include <math.h> +#include "asm/bug.h" + #include "hist.h" #include "util.h" +#include "sort.h" +#include "machine.h" #include "callchain.h" __thread struct callchain_cursor callchain_cursor; +int +parse_callchain_report_opt(const char *arg) +{ + char *tok, *tok2; + char *endptr; + + symbol_conf.use_callchain = true; + + if (!arg) + return 0; + + tok = strtok((char *)arg, ","); + if (!tok) + return -1; + + /* get the output mode */ + if (!strncmp(tok, "graph", strlen(arg))) { + callchain_param.mode = CHAIN_GRAPH_ABS; + + } else if (!strncmp(tok, "flat", strlen(arg))) { + callchain_param.mode = CHAIN_FLAT; + } else if (!strncmp(tok, "fractal", strlen(arg))) { + callchain_param.mode = CHAIN_GRAPH_REL; + } else if (!strncmp(tok, "none", strlen(arg))) { + callchain_param.mode = CHAIN_NONE; + symbol_conf.use_callchain = false; + return 0; + } else { + return -1; + } + + /* get the min percentage */ + tok = strtok(NULL, ","); + if (!tok) + goto setup; + + callchain_param.min_percent = strtod(tok, &endptr); + if (tok == endptr) + return -1; + + /* get the print limit */ + tok2 = strtok(NULL, ","); + if (!tok2) + goto setup; + + if (tok2[0] != 'c') { + callchain_param.print_limit = strtoul(tok2, &endptr, 0); + tok2 = strtok(NULL, ","); + if (!tok2) + goto setup; + } + + /* get the call chain order */ + if (!strncmp(tok2, "caller", strlen("caller"))) + callchain_param.order = ORDER_CALLER; + else if (!strncmp(tok2, "callee", strlen("callee"))) + callchain_param.order = ORDER_CALLEE; + else + return -1; + + /* Get the sort key */ + tok2 = strtok(NULL, ","); + if (!tok2) + goto setup; + if (!strncmp(tok2, "function", strlen("function"))) + callchain_param.key = CCKEY_FUNCTION; + else if (!strncmp(tok2, "address", strlen("address"))) + callchain_param.key = CCKEY_ADDRESS; + else + return -1; +setup: + if (callchain_register_param(&callchain_param) < 0) { + pr_err("Can't register callchain params\n"); + return -1; + } + return 0; +} + static void rb_insert_callchain(struct rb_root *root, struct callchain_node *chain, enum chain_mode mode) @@ -356,19 +438,14 @@ append_chain_children(struct callchain_node *root, /* lookup in childrens */ while (*p) { s64 ret; - struct callchain_list *cnode; parent = *p; rnode = rb_entry(parent, struct callchain_node, rb_node_in); - cnode = list_first_entry(&rnode->val, struct callchain_list, - list); - /* just check first entry */ - ret = match_chain(node, cnode); - if (ret == 0) { - append_chain(rnode, cursor, period); + /* If at least first entry matches, rely to children */ + ret = append_chain(rnode, cursor, period); + if (ret == 0) goto inc_children_hit; - } if (ret < 0) p = &parent->rb_left; @@ -389,11 +466,11 @@ append_chain(struct callchain_node *root, struct callchain_cursor *cursor, u64 period) { - struct callchain_cursor_node *curr_snap = cursor->curr; struct callchain_list *cnode; u64 start = cursor->pos; bool found = false; u64 matches; + int cmp = 0; /* * Lookup in the current node @@ -408,7 +485,8 @@ append_chain(struct callchain_node *root, if (!node) break; - if (match_chain(node, cnode) != 0) + cmp = match_chain(node, cnode); + if (cmp) break; found = true; @@ -418,9 +496,8 @@ append_chain(struct callchain_node *root, /* matches not, relay no the parent */ if (!found) { - cursor->curr = curr_snap; - cursor->pos = start; - return -1; + WARN_ONCE(!cmp, "Chain comparison error\n"); + return cmp; } matches = cursor->pos - start; @@ -531,3 +608,67 @@ int callchain_cursor_append(struct callchain_cursor *cursor, return 0; } + +int sample__resolve_callchain(struct perf_sample *sample, struct symbol **parent, + struct perf_evsel *evsel, struct addr_location *al, + int max_stack) +{ + if (sample->callchain == NULL) + return 0; + + if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain || + sort__has_parent) { + return machine__resolve_callchain(al->machine, evsel, al->thread, + sample, parent, al, max_stack); + } + return 0; +} + +int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample *sample) +{ + if (!symbol_conf.use_callchain) + return 0; + return callchain_append(he->callchain, &callchain_cursor, sample->period); +} + +int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node *node, + bool hide_unresolved) +{ + al->map = node->map; + al->sym = node->sym; + if (node->map) + al->addr = node->map->map_ip(node->map, node->ip); + else + al->addr = node->ip; + + if (al->sym == NULL) { + if (hide_unresolved) + return 0; + if (al->map == NULL) + goto out; + } + + if (al->map->groups == &al->machine->kmaps) { + if (machine__is_host(al->machine)) { + al->cpumode = PERF_RECORD_MISC_KERNEL; + al->level = 'k'; + } else { + al->cpumode = PERF_RECORD_MISC_GUEST_KERNEL; + al->level = 'g'; + } + } else { + if (machine__is_host(al->machine)) { + al->cpumode = PERF_RECORD_MISC_USER; + al->level = '.'; + } else if (perf_guest) { + al->cpumode = PERF_RECORD_MISC_GUEST_USER; + al->level = 'u'; + } else { + al->cpumode = PERF_RECORD_MISC_HYPERVISOR; + al->level = 'H'; + } + } + +out: + return 1; +} diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index 4f7f989876e..8f84423a75d 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -7,6 +7,13 @@ #include "event.h" #include "symbol.h" +enum perf_call_graph_mode { + CALLCHAIN_NONE, + CALLCHAIN_FP, + CALLCHAIN_DWARF, + CALLCHAIN_MAX +}; + enum chain_mode { CHAIN_NONE, CHAIN_FLAT, @@ -145,10 +152,28 @@ static inline void callchain_cursor_advance(struct callchain_cursor *cursor) } struct option; +struct hist_entry; -int record_parse_callchain(const char *arg, struct perf_record_opts *opts); +int record_parse_callchain(const char *arg, struct record_opts *opts); int record_parse_callchain_opt(const struct option *opt, const char *arg, int unset); int record_callchain_opt(const struct option *opt, const char *arg, int unset); +int sample__resolve_callchain(struct perf_sample *sample, struct symbol **parent, + struct perf_evsel *evsel, struct addr_location *al, + int max_stack); +int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample *sample); +int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node *node, + bool hide_unresolved); + extern const char record_callchain_help[]; +int parse_callchain_report_opt(const char *arg); + +static inline void callchain_cursor_snapshot(struct callchain_cursor *dest, + struct callchain_cursor *src) +{ + *dest = *src; + + dest->first = src->curr; + dest->nr -= src->pos; +} #endif /* __PERF_CALLCHAIN_H */ diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c index 96bbda1ddb8..88f7be39943 100644 --- a/tools/perf/util/cgroup.c +++ b/tools/perf/util/cgroup.c @@ -81,7 +81,7 @@ static int add_cgroup(struct perf_evlist *evlist, char *str) /* * check if cgrp is already defined, if so we reuse it */ - list_for_each_entry(counter, &evlist->entries, node) { + evlist__for_each(evlist, counter) { cgrp = counter->cgrp; if (!cgrp) continue; @@ -110,7 +110,7 @@ static int add_cgroup(struct perf_evlist *evlist, char *str) * if add cgroup N, then need to find event N */ n = 0; - list_for_each_entry(counter, &evlist->entries, node) { + evlist__for_each(evlist, counter) { if (n == nr_cgroups) goto found; n++; @@ -133,7 +133,7 @@ void close_cgroup(struct cgroup_sel *cgrp) /* XXX: not reentrant */ if (--cgrp->refcnt == 0) { close(cgrp->fd); - free(cgrp->name); + zfree(&cgrp->name); free(cgrp); } } diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c index 66e44a5019d..87b8672eb41 100644 --- a/tools/perf/util/color.c +++ b/tools/perf/util/color.c @@ -1,6 +1,7 @@ #include <linux/kernel.h> #include "cache.h" #include "color.h" +#include <math.h> int perf_use_color_default = -1; @@ -298,10 +299,10 @@ const char *get_percent_color(double percent) * entries in green - and keep the low overhead places * normal: */ - if (percent >= MIN_RED) + if (fabs(percent) >= MIN_RED) color = PERF_COLOR_RED; else { - if (percent > MIN_GREEN) + if (fabs(percent) > MIN_GREEN) color = PERF_COLOR_GREEN; } return color; @@ -318,15 +319,19 @@ int percent_color_fprintf(FILE *fp, const char *fmt, double percent) return r; } +int value_color_snprintf(char *bf, size_t size, const char *fmt, double value) +{ + const char *color = get_percent_color(value); + return color_snprintf(bf, size, color, fmt, value); +} + int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...) { va_list args; double percent; - const char *color; va_start(args, fmt); percent = va_arg(args, double); va_end(args); - color = get_percent_color(percent); - return color_snprintf(bf, size, color, fmt, percent); + return value_color_snprintf(bf, size, fmt, percent); } diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h index fced3840e99..7ff30a62a13 100644 --- a/tools/perf/util/color.h +++ b/tools/perf/util/color.h @@ -39,6 +39,7 @@ int color_fprintf(FILE *fp, const char *color, const char *fmt, ...); int color_snprintf(char *bf, size_t size, const char *color, const char *fmt, ...); int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...); int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf); +int value_color_snprintf(char *bf, size_t size, const char *fmt, double value); int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...); int percent_color_fprintf(FILE *fp, const char *fmt, double percent); const char *get_percent_color(double percent); diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c index ee0df0e24cd..f9e777629e2 100644 --- a/tools/perf/util/comm.c +++ b/tools/perf/util/comm.c @@ -21,7 +21,7 @@ static void comm_str__put(struct comm_str *cs) { if (!--cs->ref) { rb_erase(&cs->rb_node, &comm_str_root); - free(cs->str); + zfree(&cs->str); free(cs); } } @@ -94,19 +94,20 @@ struct comm *comm__new(const char *str, u64 timestamp) return comm; } -void comm__override(struct comm *comm, const char *str, u64 timestamp) +int comm__override(struct comm *comm, const char *str, u64 timestamp) { - struct comm_str *old = comm->comm_str; + struct comm_str *new, *old = comm->comm_str; - comm->comm_str = comm_str__findnew(str, &comm_str_root); - if (!comm->comm_str) { - comm->comm_str = old; - return; - } + new = comm_str__findnew(str, &comm_str_root); + if (!new) + return -ENOMEM; - comm->start = timestamp; - comm_str__get(comm->comm_str); + comm_str__get(new); comm_str__put(old); + comm->comm_str = new; + comm->start = timestamp; + + return 0; } void comm__free(struct comm *comm) diff --git a/tools/perf/util/comm.h b/tools/perf/util/comm.h index 7a86e565671..fac5bd51bef 100644 --- a/tools/perf/util/comm.h +++ b/tools/perf/util/comm.h @@ -16,6 +16,6 @@ struct comm { void comm__free(struct comm *comm); struct comm *comm__new(const char *str, u64 timestamp); const char *comm__str(const struct comm *comm); -void comm__override(struct comm *comm, const char *str, u64 timestamp); +int comm__override(struct comm *comm, const char *str, u64 timestamp); #endif /* __PERF_COMM_H */ diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index 3e0fdd369cc..24519e14ac5 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -11,6 +11,7 @@ #include "util.h" #include "cache.h" #include "exec_cmd.h" +#include "util/hist.h" /* perf_hist_config */ #define MAXNAME (256) @@ -355,6 +356,9 @@ int perf_default_config(const char *var, const char *value, if (!prefixcmp(var, "core.")) return perf_default_core_config(var, value); + if (!prefixcmp(var, "hist.")) + return perf_hist_config(var, value); + /* Add other config variables here. */ return 0; } diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index a9b48c42e81..c4e55b71010 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -1,5 +1,5 @@ #include "util.h" -#include "fs.h" +#include <api/fs/fs.h> #include "../perf.h" #include "cpumap.h" #include <assert.h> @@ -317,3 +317,163 @@ int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep) { return cpu_map__build_map(cpus, corep, cpu_map__get_core); } + +/* setup simple routines to easily access node numbers given a cpu number */ +static int get_max_num(char *path, int *max) +{ + size_t num; + char *buf; + int err = 0; + + if (filename__read_str(path, &buf, &num)) + return -1; + + buf[num] = '\0'; + + /* start on the right, to find highest node num */ + while (--num) { + if ((buf[num] == ',') || (buf[num] == '-')) { + num++; + break; + } + } + if (sscanf(&buf[num], "%d", max) < 1) { + err = -1; + goto out; + } + + /* convert from 0-based to 1-based */ + (*max)++; + +out: + free(buf); + return err; +} + +/* Determine highest possible cpu in the system for sparse allocation */ +static void set_max_cpu_num(void) +{ + const char *mnt; + char path[PATH_MAX]; + int ret = -1; + + /* set up default */ + max_cpu_num = 4096; + + mnt = sysfs__mountpoint(); + if (!mnt) + goto out; + + /* get the highest possible cpu number for a sparse allocation */ + ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/possible", mnt); + if (ret == PATH_MAX) { + pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX); + goto out; + } + + ret = get_max_num(path, &max_cpu_num); + +out: + if (ret) + pr_err("Failed to read max cpus, using default of %d\n", max_cpu_num); +} + +/* Determine highest possible node in the system for sparse allocation */ +static void set_max_node_num(void) +{ + const char *mnt; + char path[PATH_MAX]; + int ret = -1; + + /* set up default */ + max_node_num = 8; + + mnt = sysfs__mountpoint(); + if (!mnt) + goto out; + + /* get the highest possible cpu number for a sparse allocation */ + ret = snprintf(path, PATH_MAX, "%s/devices/system/node/possible", mnt); + if (ret == PATH_MAX) { + pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX); + goto out; + } + + ret = get_max_num(path, &max_node_num); + +out: + if (ret) + pr_err("Failed to read max nodes, using default of %d\n", max_node_num); +} + +static int init_cpunode_map(void) +{ + int i; + + set_max_cpu_num(); + set_max_node_num(); + + cpunode_map = calloc(max_cpu_num, sizeof(int)); + if (!cpunode_map) { + pr_err("%s: calloc failed\n", __func__); + return -1; + } + + for (i = 0; i < max_cpu_num; i++) + cpunode_map[i] = -1; + + return 0; +} + +int cpu__setup_cpunode_map(void) +{ + struct dirent *dent1, *dent2; + DIR *dir1, *dir2; + unsigned int cpu, mem; + char buf[PATH_MAX]; + char path[PATH_MAX]; + const char *mnt; + int n; + + /* initialize globals */ + if (init_cpunode_map()) + return -1; + + mnt = sysfs__mountpoint(); + if (!mnt) + return 0; + + n = snprintf(path, PATH_MAX, "%s/devices/system/node", mnt); + if (n == PATH_MAX) { + pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX); + return -1; + } + + dir1 = opendir(path); + if (!dir1) + return 0; + + /* walk tree and setup map */ + while ((dent1 = readdir(dir1)) != NULL) { + if (dent1->d_type != DT_DIR || sscanf(dent1->d_name, "node%u", &mem) < 1) + continue; + + n = snprintf(buf, PATH_MAX, "%s/%s", path, dent1->d_name); + if (n == PATH_MAX) { + pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX); + continue; + } + + dir2 = opendir(buf); + if (!dir2) + continue; + while ((dent2 = readdir(dir2)) != NULL) { + if (dent2->d_type != DT_LNK || sscanf(dent2->d_name, "cpu%u", &cpu) < 1) + continue; + cpunode_map[cpu] = mem; + } + closedir(dir2); + } + closedir(dir1); + return 0; +} diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index b123bb9d6f5..61a65484900 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -4,6 +4,9 @@ #include <stdio.h> #include <stdbool.h> +#include "perf.h" +#include "util/debug.h" + struct cpu_map { int nr; int map[]; @@ -46,4 +49,36 @@ static inline bool cpu_map__empty(const struct cpu_map *map) return map ? map->map[0] == -1 : true; } +int max_cpu_num; +int max_node_num; +int *cpunode_map; + +int cpu__setup_cpunode_map(void); + +static inline int cpu__max_node(void) +{ + if (unlikely(!max_node_num)) + pr_debug("cpu_map not initialized\n"); + + return max_node_num; +} + +static inline int cpu__max_cpu(void) +{ + if (unlikely(!max_cpu_num)) + pr_debug("cpu_map not initialized\n"); + + return max_cpu_num; +} + +static inline int cpu__get_node(int cpu) +{ + if (unlikely(cpunode_map == NULL)) { + pr_debug("cpu_map not initialized\n"); + return -1; + } + + return cpunode_map[cpu]; +} + #endif /* __PERF_CPUMAP_H */ diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index 7d09faf85cf..55de44ecebe 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -86,10 +86,17 @@ static int open_file_read(struct perf_data_file *file) static int open_file_write(struct perf_data_file *file) { + int fd; + if (check_backup(file)) return -1; - return open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR); + fd = open(file->path, O_CREAT|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR); + + if (fd < 0) + pr_err("failed to open %s : %s\n", file->path, strerror(errno)); + + return fd; } static int open_file(struct perf_data_file *file) @@ -118,3 +125,9 @@ void perf_data_file__close(struct perf_data_file *file) { close(file->fd); } + +ssize_t perf_data_file__write(struct perf_data_file *file, + void *buf, size_t size) +{ + return writen(file->fd, buf, size); +} diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h index 8c2df80152a..2b15d0c95c7 100644 --- a/tools/perf/util/data.h +++ b/tools/perf/util/data.h @@ -9,12 +9,12 @@ enum perf_data_mode { }; struct perf_data_file { - const char *path; - int fd; - bool is_pipe; - bool force; - unsigned long size; - enum perf_data_mode mode; + const char *path; + int fd; + bool is_pipe; + bool force; + unsigned long size; + enum perf_data_mode mode; }; static inline bool perf_data_file__is_read(struct perf_data_file *file) @@ -44,5 +44,7 @@ static inline unsigned long perf_data_file__size(struct perf_data_file *file) int perf_data_file__open(struct perf_data_file *file); void perf_data_file__close(struct perf_data_file *file); +ssize_t perf_data_file__write(struct perf_data_file *file, + void *buf, size_t size); #endif /* __PERF_DATA_H */ diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index 399e74c34c1..299b5558650 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -16,23 +16,46 @@ int verbose; bool dump_trace = false, quiet = false; -int eprintf(int level, const char *fmt, ...) +static int _eprintf(int level, const char *fmt, va_list args) { - va_list args; int ret = 0; if (verbose >= level) { - va_start(args, fmt); if (use_browser >= 1) ui_helpline__vshow(fmt, args); else ret = vfprintf(stderr, fmt, args); - va_end(args); } return ret; } +int eprintf(int level, const char *fmt, ...) +{ + va_list args; + int ret; + + va_start(args, fmt); + ret = _eprintf(level, fmt, args); + va_end(args); + + return ret; +} + +/* + * Overloading libtraceevent standard info print + * function, display with -v in perf. + */ +void pr_stat(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + _eprintf(1, fmt, args); + va_end(args); + eprintf(1, "\n"); +} + int dump_printf(const char *fmt, ...) { va_list args; diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index efbd98805ad..443694c36b0 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -17,4 +17,6 @@ void trace_event(union perf_event *event); int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2))); int ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2))); +void pr_stat(const char *fmt, ...); + #endif /* __PERF_DEBUG_H */ diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index af4c687cc49..819f10414f0 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -1,3 +1,6 @@ +#include <asm/bug.h> +#include <sys/time.h> +#include <sys/resource.h> #include "symbol.h" #include "dso.h" #include "machine.h" @@ -28,8 +31,9 @@ char dso__symtab_origin(const struct dso *dso) return origin[dso->symtab_type]; } -int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, - char *root_dir, char *file, size_t size) +int dso__read_binary_type_filename(const struct dso *dso, + enum dso_binary_type type, + char *root_dir, char *filename, size_t size) { char build_id_hex[BUILD_ID_SIZE * 2 + 1]; int ret = 0; @@ -38,36 +42,36 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, case DSO_BINARY_TYPE__DEBUGLINK: { char *debuglink; - strncpy(file, dso->long_name, size); - debuglink = file + dso->long_name_len; - while (debuglink != file && *debuglink != '/') + strncpy(filename, dso->long_name, size); + debuglink = filename + dso->long_name_len; + while (debuglink != filename && *debuglink != '/') debuglink--; if (*debuglink == '/') debuglink++; - filename__read_debuglink(dso->long_name, debuglink, - size - (debuglink - file)); + ret = filename__read_debuglink(dso->long_name, debuglink, + size - (debuglink - filename)); } break; case DSO_BINARY_TYPE__BUILD_ID_CACHE: /* skip the locally configured cache if a symfs is given */ if (symbol_conf.symfs[0] || - (dso__build_id_filename(dso, file, size) == NULL)) + (dso__build_id_filename(dso, filename, size) == NULL)) ret = -1; break; case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: - snprintf(file, size, "%s/usr/lib/debug%s.debug", + snprintf(filename, size, "%s/usr/lib/debug%s.debug", symbol_conf.symfs, dso->long_name); break; case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: - snprintf(file, size, "%s/usr/lib/debug%s", + snprintf(filename, size, "%s/usr/lib/debug%s", symbol_conf.symfs, dso->long_name); break; case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO: { - char *last_slash; + const char *last_slash; size_t len; size_t dir_size; @@ -75,14 +79,14 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, while (last_slash != dso->long_name && *last_slash != '/') last_slash--; - len = scnprintf(file, size, "%s", symbol_conf.symfs); + len = scnprintf(filename, size, "%s", symbol_conf.symfs); dir_size = last_slash - dso->long_name + 2; if (dir_size > (size - len)) { ret = -1; break; } - len += scnprintf(file + len, dir_size, "%s", dso->long_name); - len += scnprintf(file + len , size - len, ".debug%s", + len += scnprintf(filename + len, dir_size, "%s", dso->long_name); + len += scnprintf(filename + len , size - len, ".debug%s", last_slash); break; } @@ -96,7 +100,7 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, build_id__sprintf(dso->build_id, sizeof(dso->build_id), build_id_hex); - snprintf(file, size, + snprintf(filename, size, "%s/usr/lib/debug/.build-id/%.2s/%s.debug", symbol_conf.symfs, build_id_hex, build_id_hex + 2); break; @@ -104,23 +108,23 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, case DSO_BINARY_TYPE__VMLINUX: case DSO_BINARY_TYPE__GUEST_VMLINUX: case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: - snprintf(file, size, "%s%s", + snprintf(filename, size, "%s%s", symbol_conf.symfs, dso->long_name); break; case DSO_BINARY_TYPE__GUEST_KMODULE: - snprintf(file, size, "%s%s%s", symbol_conf.symfs, + snprintf(filename, size, "%s%s%s", symbol_conf.symfs, root_dir, dso->long_name); break; case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE: - snprintf(file, size, "%s%s", symbol_conf.symfs, + snprintf(filename, size, "%s%s", symbol_conf.symfs, dso->long_name); break; case DSO_BINARY_TYPE__KCORE: case DSO_BINARY_TYPE__GUEST_KCORE: - snprintf(file, size, "%s", dso->long_name); + snprintf(filename, size, "%s", dso->long_name); break; default: @@ -135,52 +139,216 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, return ret; } -static int open_dso(struct dso *dso, struct machine *machine) +/* + * Global list of open DSOs and the counter. + */ +static LIST_HEAD(dso__data_open); +static long dso__data_open_cnt; + +static void dso__list_add(struct dso *dso) +{ + list_add_tail(&dso->data.open_entry, &dso__data_open); + dso__data_open_cnt++; +} + +static void dso__list_del(struct dso *dso) +{ + list_del(&dso->data.open_entry); + WARN_ONCE(dso__data_open_cnt <= 0, + "DSO data fd counter out of bounds."); + dso__data_open_cnt--; +} + +static void close_first_dso(void); + +static int do_open(char *name) +{ + int fd; + + do { + fd = open(name, O_RDONLY); + if (fd >= 0) + return fd; + + pr_debug("dso open failed, mmap: %s\n", strerror(errno)); + if (!dso__data_open_cnt || errno != EMFILE) + break; + + close_first_dso(); + } while (1); + + return -1; +} + +static int __open_dso(struct dso *dso, struct machine *machine) { - char *root_dir = (char *) ""; - char *name; int fd; + char *root_dir = (char *)""; + char *name = malloc(PATH_MAX); - name = malloc(PATH_MAX); if (!name) return -ENOMEM; if (machine) root_dir = machine->root_dir; - if (dso__binary_type_file(dso, dso->data_type, - root_dir, name, PATH_MAX)) { + if (dso__read_binary_type_filename(dso, dso->binary_type, + root_dir, name, PATH_MAX)) { free(name); return -EINVAL; } - fd = open(name, O_RDONLY); + fd = do_open(name); free(name); return fd; } +static void check_data_close(void); + +/** + * dso_close - Open DSO data file + * @dso: dso object + * + * Open @dso's data file descriptor and updates + * list/count of open DSO objects. + */ +static int open_dso(struct dso *dso, struct machine *machine) +{ + int fd = __open_dso(dso, machine); + + if (fd > 0) { + dso__list_add(dso); + /* + * Check if we crossed the allowed number + * of opened DSOs and close one if needed. + */ + check_data_close(); + } + + return fd; +} + +static void close_data_fd(struct dso *dso) +{ + if (dso->data.fd >= 0) { + close(dso->data.fd); + dso->data.fd = -1; + dso->data.file_size = 0; + dso__list_del(dso); + } +} + +/** + * dso_close - Close DSO data file + * @dso: dso object + * + * Close @dso's data file descriptor and updates + * list/count of open DSO objects. + */ +static void close_dso(struct dso *dso) +{ + close_data_fd(dso); +} + +static void close_first_dso(void) +{ + struct dso *dso; + + dso = list_first_entry(&dso__data_open, struct dso, data.open_entry); + close_dso(dso); +} + +static rlim_t get_fd_limit(void) +{ + struct rlimit l; + rlim_t limit = 0; + + /* Allow half of the current open fd limit. */ + if (getrlimit(RLIMIT_NOFILE, &l) == 0) { + if (l.rlim_cur == RLIM_INFINITY) + limit = l.rlim_cur; + else + limit = l.rlim_cur / 2; + } else { + pr_err("failed to get fd limit\n"); + limit = 1; + } + + return limit; +} + +static bool may_cache_fd(void) +{ + static rlim_t limit; + + if (!limit) + limit = get_fd_limit(); + + if (limit == RLIM_INFINITY) + return true; + + return limit > (rlim_t) dso__data_open_cnt; +} + +/* + * Check and close LRU dso if we crossed allowed limit + * for opened dso file descriptors. The limit is half + * of the RLIMIT_NOFILE files opened. +*/ +static void check_data_close(void) +{ + bool cache_fd = may_cache_fd(); + + if (!cache_fd) + close_first_dso(); +} + +/** + * dso__data_close - Close DSO data file + * @dso: dso object + * + * External interface to close @dso's data file descriptor. + */ +void dso__data_close(struct dso *dso) +{ + close_dso(dso); +} + +/** + * dso__data_fd - Get dso's data file descriptor + * @dso: dso object + * @machine: machine object + * + * External interface to find dso's file, open it and + * returns file descriptor. + */ int dso__data_fd(struct dso *dso, struct machine *machine) { - static enum dso_binary_type binary_type_data[] = { + enum dso_binary_type binary_type_data[] = { DSO_BINARY_TYPE__BUILD_ID_CACHE, DSO_BINARY_TYPE__SYSTEM_PATH_DSO, DSO_BINARY_TYPE__NOT_FOUND, }; int i = 0; - if (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND) - return open_dso(dso, machine); + if (dso->data.fd >= 0) + return dso->data.fd; + + if (dso->binary_type != DSO_BINARY_TYPE__NOT_FOUND) { + dso->data.fd = open_dso(dso, machine); + return dso->data.fd; + } do { int fd; - dso->data_type = binary_type_data[i++]; + dso->binary_type = binary_type_data[i++]; fd = open_dso(dso, machine); if (fd >= 0) - return fd; + return dso->data.fd = fd; - } while (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND); + } while (dso->binary_type != DSO_BINARY_TYPE__NOT_FOUND); return -EINVAL; } @@ -200,11 +368,10 @@ dso_cache__free(struct rb_root *root) } } -static struct dso_cache* -dso_cache__find(struct rb_root *root, u64 offset) +static struct dso_cache *dso_cache__find(const struct rb_root *root, u64 offset) { - struct rb_node **p = &root->rb_node; - struct rb_node *parent = NULL; + struct rb_node * const *p = &root->rb_node; + const struct rb_node *parent = NULL; struct dso_cache *cache; while (*p != NULL) { @@ -261,16 +428,10 @@ dso_cache__memcpy(struct dso_cache *cache, u64 offset, } static ssize_t -dso_cache__read(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) +dso_cache__read(struct dso *dso, u64 offset, u8 *data, ssize_t size) { struct dso_cache *cache; ssize_t ret; - int fd; - - fd = dso__data_fd(dso, machine); - if (fd < 0) - return -1; do { u64 cache_offset; @@ -284,16 +445,16 @@ dso_cache__read(struct dso *dso, struct machine *machine, cache_offset = offset & DSO__DATA_CACHE_MASK; ret = -EINVAL; - if (-1 == lseek(fd, cache_offset, SEEK_SET)) + if (-1 == lseek(dso->data.fd, cache_offset, SEEK_SET)) break; - ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE); + ret = read(dso->data.fd, cache->data, DSO__DATA_CACHE_SIZE); if (ret <= 0) break; cache->offset = cache_offset; cache->size = ret; - dso_cache__insert(&dso->cache, cache); + dso_cache__insert(&dso->data.cache, cache); ret = dso_cache__memcpy(cache, offset, data, size); @@ -302,24 +463,27 @@ dso_cache__read(struct dso *dso, struct machine *machine, if (ret <= 0) free(cache); - close(fd); return ret; } -static ssize_t dso_cache_read(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) +static ssize_t dso_cache_read(struct dso *dso, u64 offset, + u8 *data, ssize_t size) { struct dso_cache *cache; - cache = dso_cache__find(&dso->cache, offset); + cache = dso_cache__find(&dso->data.cache, offset); if (cache) return dso_cache__memcpy(cache, offset, data, size); else - return dso_cache__read(dso, machine, offset, data, size); + return dso_cache__read(dso, offset, data, size); } -ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) +/* + * Reads and caches dso data DSO__DATA_CACHE_SIZE size chunks + * in the rb_tree. Any read to already cached data is served + * by cached data. + */ +static ssize_t cached_read(struct dso *dso, u64 offset, u8 *data, ssize_t size) { ssize_t r = 0; u8 *p = data; @@ -327,7 +491,7 @@ ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, do { ssize_t ret; - ret = dso_cache_read(dso, machine, offset, p, size); + ret = dso_cache_read(dso, offset, p, size); if (ret < 0) return ret; @@ -347,6 +511,67 @@ ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, return r; } +static int data_file_size(struct dso *dso) +{ + struct stat st; + + if (!dso->data.file_size) { + if (fstat(dso->data.fd, &st)) { + pr_err("dso mmap failed, fstat: %s\n", strerror(errno)); + return -1; + } + dso->data.file_size = st.st_size; + } + + return 0; +} + +static ssize_t data_read_offset(struct dso *dso, u64 offset, + u8 *data, ssize_t size) +{ + if (data_file_size(dso)) + return -1; + + /* Check the offset sanity. */ + if (offset > dso->data.file_size) + return -1; + + if (offset + size < offset) + return -1; + + return cached_read(dso, offset, data, size); +} + +/** + * dso__data_read_offset - Read data from dso file offset + * @dso: dso object + * @machine: machine object + * @offset: file offset + * @data: buffer to store data + * @size: size of the @data buffer + * + * External interface to read data from dso file offset. Open + * dso data file and use cached_read to get the data. + */ +ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size) +{ + if (dso__data_fd(dso, machine) < 0) + return -1; + + return data_read_offset(dso, offset, data, size); +} + +/** + * dso__data_read_addr - Read data from dso address + * @dso: dso object + * @machine: machine object + * @add: virtual memory address + * @data: buffer to store data + * @size: size of the @data buffer + * + * External interface to read data from dso address. + */ ssize_t dso__data_read_addr(struct dso *dso, struct map *map, struct machine *machine, u64 addr, u8 *data, ssize_t size) @@ -379,32 +604,63 @@ struct dso *dso__kernel_findnew(struct machine *machine, const char *name, * processing we had no idea this was the kernel dso. */ if (dso != NULL) { - dso__set_short_name(dso, short_name); + dso__set_short_name(dso, short_name, false); dso->kernel = dso_type; } return dso; } -void dso__set_long_name(struct dso *dso, char *name) +void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated) { if (name == NULL) return; - dso->long_name = name; - dso->long_name_len = strlen(name); + + if (dso->long_name_allocated) + free((char *)dso->long_name); + + dso->long_name = name; + dso->long_name_len = strlen(name); + dso->long_name_allocated = name_allocated; } -void dso__set_short_name(struct dso *dso, const char *name) +void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated) { if (name == NULL) return; - dso->short_name = name; - dso->short_name_len = strlen(name); + + if (dso->short_name_allocated) + free((char *)dso->short_name); + + dso->short_name = name; + dso->short_name_len = strlen(name); + dso->short_name_allocated = name_allocated; } static void dso__set_basename(struct dso *dso) { - dso__set_short_name(dso, basename(dso->long_name)); + /* + * basename() may modify path buffer, so we must pass + * a copy. + */ + char *base, *lname = strdup(dso->long_name); + + if (!lname) + return; + + /* + * basename() may return a pointer to internal + * storage which is reused in subsequent calls + * so copy the result. + */ + base = strdup(basename(lname)); + + free(lname); + + if (!base) + return; + + dso__set_short_name(dso, base, true); } int dso__name_len(const struct dso *dso) @@ -439,21 +695,24 @@ struct dso *dso__new(const char *name) if (dso != NULL) { int i; strcpy(dso->name, name); - dso__set_long_name(dso, dso->name); - dso__set_short_name(dso, dso->name); + dso__set_long_name(dso, dso->name, false); + dso__set_short_name(dso, dso->name, false); for (i = 0; i < MAP__NR_TYPES; ++i) dso->symbols[i] = dso->symbol_names[i] = RB_ROOT; - dso->cache = RB_ROOT; + dso->data.cache = RB_ROOT; + dso->data.fd = -1; dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND; - dso->data_type = DSO_BINARY_TYPE__NOT_FOUND; + dso->binary_type = DSO_BINARY_TYPE__NOT_FOUND; dso->loaded = 0; dso->rel = 0; dso->sorted_by_name = 0; dso->has_build_id = 0; dso->has_srcline = 1; + dso->a2l_fails = 1; dso->kernel = DSO_TYPE_USER; dso->needs_swap = DSO_SWAP__UNSET; INIT_LIST_HEAD(&dso->node); + INIT_LIST_HEAD(&dso->data.open_entry); } return dso; @@ -464,11 +723,21 @@ void dso__delete(struct dso *dso) int i; for (i = 0; i < MAP__NR_TYPES; ++i) symbols__delete(&dso->symbols[i]); - if (dso->sname_alloc) - free((char *)dso->short_name); - if (dso->lname_alloc) - free(dso->long_name); - dso_cache__free(&dso->cache); + + if (dso->short_name_allocated) { + zfree((char **)&dso->short_name); + dso->short_name_allocated = false; + } + + if (dso->long_name_allocated) { + zfree((char **)&dso->long_name); + dso->long_name_allocated = false; + } + + dso__data_close(dso); + dso_cache__free(&dso->data.cache); + dso__free_a2l(dso); + zfree(&dso->symsrc_filename); free(dso); } @@ -543,7 +812,7 @@ void dsos__add(struct list_head *head, struct dso *dso) list_add_tail(&dso->node, head); } -struct dso *dsos__find(struct list_head *head, const char *name, bool cmp_short) +struct dso *dsos__find(const struct list_head *head, const char *name, bool cmp_short) { struct dso *pos; diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 9ac666abbe7..ad553ba257b 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -4,7 +4,7 @@ #include <linux/types.h> #include <linux/rbtree.h> #include <stdbool.h> -#include "types.h" +#include <linux/types.h> #include "map.h" #include "build-id.h" @@ -76,29 +76,50 @@ struct dso { struct list_head node; struct rb_root symbols[MAP__NR_TYPES]; struct rb_root symbol_names[MAP__NR_TYPES]; - struct rb_root cache; + void *a2l; + char *symsrc_filename; + unsigned int a2l_fails; enum dso_kernel_type kernel; enum dso_swap_type needs_swap; enum dso_binary_type symtab_type; - enum dso_binary_type data_type; + enum dso_binary_type binary_type; u8 adjust_symbols:1; u8 has_build_id:1; u8 has_srcline:1; u8 hit:1; u8 annotate_warned:1; - u8 sname_alloc:1; - u8 lname_alloc:1; + u8 short_name_allocated:1; + u8 long_name_allocated:1; u8 sorted_by_name; u8 loaded; u8 rel; u8 build_id[BUILD_ID_SIZE]; const char *short_name; - char *long_name; + const char *long_name; u16 long_name_len; u16 short_name_len; + + /* dso data file */ + struct { + struct rb_root cache; + int fd; + size_t file_size; + struct list_head open_entry; + } data; + char name[0]; }; +/* dso__for_each_symbol - iterate over the symbols of given type + * + * @dso: the 'struct dso *' in which symbols itereated + * @pos: the 'struct symbol *' to use as a loop cursor + * @n: the 'struct rb_node *' to use as a temporary storage + * @type: the 'enum map_type' type of symbols + */ +#define dso__for_each_symbol(dso, pos, n, type) \ + symbols__for_each_entry(&(dso)->symbols[(type)], pos, n) + static inline void dso__set_loaded(struct dso *dso, enum map_type type) { dso->loaded |= (1 << type); @@ -107,8 +128,8 @@ static inline void dso__set_loaded(struct dso *dso, enum map_type type) struct dso *dso__new(const char *name); void dso__delete(struct dso *dso); -void dso__set_short_name(struct dso *dso, const char *name); -void dso__set_long_name(struct dso *dso, char *name); +void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated); +void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated); int dso__name_len(const struct dso *dso); @@ -125,10 +146,50 @@ void dso__read_running_kernel_build_id(struct dso *dso, int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); char dso__symtab_origin(const struct dso *dso); -int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, - char *root_dir, char *file, size_t size); - +int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type, + char *root_dir, char *filename, size_t size); + +/* + * The dso__data_* external interface provides following functions: + * dso__data_fd + * dso__data_close + * dso__data_read_offset + * dso__data_read_addr + * + * Please refer to the dso.c object code for each function and + * arguments documentation. Following text tries to explain the + * dso file descriptor caching. + * + * The dso__data* interface allows caching of opened file descriptors + * to speed up the dso data accesses. The idea is to leave the file + * descriptor opened ideally for the whole life of the dso object. + * + * The current usage of the dso__data_* interface is as follows: + * + * Get DSO's fd: + * int fd = dso__data_fd(dso, machine); + * USE 'fd' SOMEHOW + * + * Read DSO's data: + * n = dso__data_read_offset(dso_0, &machine, 0, buf, BUFSIZE); + * n = dso__data_read_addr(dso_0, &machine, 0, buf, BUFSIZE); + * + * Eventually close DSO's fd: + * dso__data_close(dso); + * + * It is not necessary to close the DSO object data file. Each time new + * DSO data file is opened, the limit (RLIMIT_NOFILE/2) is checked. Once + * it is crossed, the oldest opened DSO object is closed. + * + * The dso__delete function calls close_dso function to ensure the + * data file descriptor gets closed/unmapped before the dso object + * is freed. + * + * TODO +*/ int dso__data_fd(struct dso *dso, struct machine *machine); +void dso__data_close(struct dso *dso); + ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, u64 offset, u8 *data, ssize_t size); ssize_t dso__data_read_addr(struct dso *dso, struct map *map, @@ -140,7 +201,7 @@ struct dso *dso__kernel_findnew(struct machine *machine, const char *name, const char *short_name, int dso_type); void dsos__add(struct list_head *head, struct dso *dso); -struct dso *dsos__find(struct list_head *head, const char *name, +struct dso *dsos__find(const struct list_head *head, const char *name, bool cmp_short); struct dso *__dsos__findnew(struct list_head *head, const char *name); bool __dsos__read_build_ids(struct list_head *head, bool with_hits); @@ -156,14 +217,16 @@ size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); static inline bool dso__is_vmlinux(struct dso *dso) { - return dso->data_type == DSO_BINARY_TYPE__VMLINUX || - dso->data_type == DSO_BINARY_TYPE__GUEST_VMLINUX; + return dso->binary_type == DSO_BINARY_TYPE__VMLINUX || + dso->binary_type == DSO_BINARY_TYPE__GUEST_VMLINUX; } static inline bool dso__is_kcore(struct dso *dso) { - return dso->data_type == DSO_BINARY_TYPE__KCORE || - dso->data_type == DSO_BINARY_TYPE__GUEST_KCORE; + return dso->binary_type == DSO_BINARY_TYPE__KCORE || + dso->binary_type == DSO_BINARY_TYPE__GUEST_KCORE; } +void dso__free_a2l(struct dso *dso); + #endif /* __PERF_DSO */ diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index 7defd77105d..cc66c4049e0 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -747,14 +747,17 @@ struct __find_variable_param { static int __die_find_variable_cb(Dwarf_Die *die_mem, void *data) { struct __find_variable_param *fvp = data; + Dwarf_Attribute attr; int tag; tag = dwarf_tag(die_mem); if ((tag == DW_TAG_formal_parameter || tag == DW_TAG_variable) && - die_compare_name(die_mem, fvp->name)) + die_compare_name(die_mem, fvp->name) && + /* Does the DIE have location information or external instance? */ + (dwarf_attr(die_mem, DW_AT_external, &attr) || + dwarf_attr(die_mem, DW_AT_location, &attr))) return DIE_FIND_CB_END; - if (dwarf_haspc(die_mem, fvp->addr)) return DIE_FIND_CB_CONTINUE; else diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index bb788c109fe..d0281bdfa58 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1,12 +1,15 @@ #include <linux/types.h> +#include <sys/mman.h> #include "event.h" #include "debug.h" +#include "hist.h" #include "machine.h" #include "sort.h" #include "string.h" #include "strlist.h" #include "thread.h" #include "thread_map.h" +#include "symbol/kallsyms.h" static const char *perf_event__names[] = { [0] = "TOTAL", @@ -93,20 +96,20 @@ static pid_t perf_event__get_comm_tgid(pid_t pid, char *comm, size_t len) static pid_t perf_event__synthesize_comm(struct perf_tool *tool, union perf_event *event, pid_t pid, - int full, perf_event__handler_t process, struct machine *machine) { - char filename[PATH_MAX]; size_t size; - DIR *tasks; - struct dirent dirent, *next; pid_t tgid; memset(&event->comm, 0, sizeof(event->comm)); - tgid = perf_event__get_comm_tgid(pid, event->comm.comm, - sizeof(event->comm.comm)); + if (machine__is_host(machine)) + tgid = perf_event__get_comm_tgid(pid, event->comm.comm, + sizeof(event->comm.comm)); + else + tgid = machine->pid; + if (tgid < 0) goto out; @@ -119,65 +122,53 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool, event->comm.header.size = (sizeof(event->comm) - (sizeof(event->comm.comm) - size) + machine->id_hdr_size); - if (!full) { - event->comm.tid = pid; + event->comm.tid = pid; - if (process(tool, event, &synth_sample, machine) != 0) - return -1; - - goto out; - } - - snprintf(filename, sizeof(filename), "/proc/%d/task", pid); - - tasks = opendir(filename); - if (tasks == NULL) { - pr_debug("couldn't open %s\n", filename); - return 0; - } + if (process(tool, event, &synth_sample, machine) != 0) + return -1; - while (!readdir_r(tasks, &dirent, &next) && next) { - char *end; - pid = strtol(dirent.d_name, &end, 10); - if (*end) - continue; +out: + return tgid; +} - /* already have tgid; jut want to update the comm */ - (void) perf_event__get_comm_tgid(pid, event->comm.comm, - sizeof(event->comm.comm)); +static int perf_event__synthesize_fork(struct perf_tool *tool, + union perf_event *event, pid_t pid, + pid_t tgid, perf_event__handler_t process, + struct machine *machine) +{ + memset(&event->fork, 0, sizeof(event->fork) + machine->id_hdr_size); - size = strlen(event->comm.comm) + 1; - size = PERF_ALIGN(size, sizeof(u64)); - memset(event->comm.comm + size, 0, machine->id_hdr_size); - event->comm.header.size = (sizeof(event->comm) - - (sizeof(event->comm.comm) - size) + - machine->id_hdr_size); + /* this is really a clone event but we use fork to synthesize it */ + event->fork.ppid = tgid; + event->fork.ptid = tgid; + event->fork.pid = tgid; + event->fork.tid = pid; + event->fork.header.type = PERF_RECORD_FORK; - event->comm.tid = pid; + event->fork.header.size = (sizeof(event->fork) + machine->id_hdr_size); - if (process(tool, event, &synth_sample, machine) != 0) { - tgid = -1; - break; - } - } + if (process(tool, event, &synth_sample, machine) != 0) + return -1; - closedir(tasks); -out: - return tgid; + return 0; } -static int perf_event__synthesize_mmap_events(struct perf_tool *tool, - union perf_event *event, - pid_t pid, pid_t tgid, - perf_event__handler_t process, - struct machine *machine, - bool mmap_data) +int perf_event__synthesize_mmap_events(struct perf_tool *tool, + union perf_event *event, + pid_t pid, pid_t tgid, + perf_event__handler_t process, + struct machine *machine, + bool mmap_data) { char filename[PATH_MAX]; FILE *fp; int rc = 0; - snprintf(filename, sizeof(filename), "/proc/%d/maps", pid); + if (machine__is_default_guest(machine)) + return 0; + + snprintf(filename, sizeof(filename), "%s/proc/%d/maps", + machine->root_dir, pid); fp = fopen(filename, "r"); if (fp == NULL) { @@ -188,13 +179,14 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, return -1; } - event->header.type = PERF_RECORD_MMAP; + event->header.type = PERF_RECORD_MMAP2; while (1) { char bf[BUFSIZ]; char prot[5]; char execname[PATH_MAX]; char anonstr[] = "//anon"; + unsigned int ino; size_t size; ssize_t n; @@ -205,19 +197,42 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, strcpy(execname, ""); /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ - n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u %s\n", - &event->mmap.start, &event->mmap.len, prot, - &event->mmap.pgoff, - execname); + n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %s\n", + &event->mmap2.start, &event->mmap2.len, prot, + &event->mmap2.pgoff, &event->mmap2.maj, + &event->mmap2.min, + &ino, execname); + /* * Anon maps don't have the execname. */ - if (n < 4) + if (n < 7) continue; + + event->mmap2.ino = (u64)ino; + /* * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c */ - event->header.misc = PERF_RECORD_MISC_USER; + if (machine__is_host(machine)) + event->header.misc = PERF_RECORD_MISC_USER; + else + event->header.misc = PERF_RECORD_MISC_GUEST_USER; + + /* map protection and flags bits */ + event->mmap2.prot = 0; + event->mmap2.flags = 0; + if (prot[0] == 'r') + event->mmap2.prot |= PROT_READ; + if (prot[1] == 'w') + event->mmap2.prot |= PROT_WRITE; + if (prot[2] == 'x') + event->mmap2.prot |= PROT_EXEC; + + if (prot[3] == 's') + event->mmap2.flags |= MAP_SHARED; + else + event->mmap2.flags |= MAP_PRIVATE; if (prot[2] != 'x') { if (!mmap_data || prot[0] != 'r') @@ -230,15 +245,15 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, strcpy(execname, anonstr); size = strlen(execname) + 1; - memcpy(event->mmap.filename, execname, size); + memcpy(event->mmap2.filename, execname, size); size = PERF_ALIGN(size, sizeof(u64)); - event->mmap.len -= event->mmap.start; - event->mmap.header.size = (sizeof(event->mmap) - - (sizeof(event->mmap.filename) - size)); - memset(event->mmap.filename + size, 0, machine->id_hdr_size); - event->mmap.header.size += machine->id_hdr_size; - event->mmap.pid = tgid; - event->mmap.tid = pid; + event->mmap2.len -= event->mmap.start; + event->mmap2.header.size = (sizeof(event->mmap2) - + (sizeof(event->mmap2.filename) - size)); + memset(event->mmap2.filename + size, 0, machine->id_hdr_size); + event->mmap2.header.size += machine->id_hdr_size; + event->mmap2.pid = tgid; + event->mmap2.tid = pid; if (process(tool, event, &synth_sample, machine) != 0) { rc = -1; @@ -308,17 +323,71 @@ int perf_event__synthesize_modules(struct perf_tool *tool, static int __event__synthesize_thread(union perf_event *comm_event, union perf_event *mmap_event, + union perf_event *fork_event, pid_t pid, int full, perf_event__handler_t process, struct perf_tool *tool, struct machine *machine, bool mmap_data) { - pid_t tgid = perf_event__synthesize_comm(tool, comm_event, pid, full, + char filename[PATH_MAX]; + DIR *tasks; + struct dirent dirent, *next; + pid_t tgid; + + /* special case: only send one comm event using passed in pid */ + if (!full) { + tgid = perf_event__synthesize_comm(tool, comm_event, pid, + process, machine); + + if (tgid == -1) + return -1; + + return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, + process, machine, mmap_data); + } + + if (machine__is_default_guest(machine)) + return 0; + + snprintf(filename, sizeof(filename), "%s/proc/%d/task", + machine->root_dir, pid); + + tasks = opendir(filename); + if (tasks == NULL) { + pr_debug("couldn't open %s\n", filename); + return 0; + } + + while (!readdir_r(tasks, &dirent, &next) && next) { + char *end; + int rc = 0; + pid_t _pid; + + _pid = strtol(dirent.d_name, &end, 10); + if (*end) + continue; + + tgid = perf_event__synthesize_comm(tool, comm_event, _pid, + process, machine); + if (tgid == -1) + return -1; + + if (_pid == pid) { + /* process the parent's maps too */ + rc = perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, + process, machine, mmap_data); + } else { + /* only fork the tid's map, to save time */ + rc = perf_event__synthesize_fork(tool, fork_event, _pid, tgid, process, machine); - if (tgid == -1) - return -1; - return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, - process, machine, mmap_data); + } + + if (rc) + return rc; + } + + closedir(tasks); + return 0; } int perf_event__synthesize_thread_map(struct perf_tool *tool, @@ -327,7 +396,7 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool, struct machine *machine, bool mmap_data) { - union perf_event *comm_event, *mmap_event; + union perf_event *comm_event, *mmap_event, *fork_event; int err = -1, thread, j; comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size); @@ -338,9 +407,14 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool, if (mmap_event == NULL) goto out_free_comm; + fork_event = malloc(sizeof(fork_event->fork) + machine->id_hdr_size); + if (fork_event == NULL) + goto out_free_mmap; + err = 0; for (thread = 0; thread < threads->nr; ++thread) { if (__event__synthesize_thread(comm_event, mmap_event, + fork_event, threads->map[thread], 0, process, tool, machine, mmap_data)) { @@ -366,6 +440,7 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool, /* if not, generate events for it */ if (need_leader && __event__synthesize_thread(comm_event, mmap_event, + fork_event, comm_event->comm.pid, 0, process, tool, machine, mmap_data)) { @@ -374,6 +449,8 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool, } } } + free(fork_event); +out_free_mmap: free(mmap_event); out_free_comm: free(comm_event); @@ -386,10 +463,14 @@ int perf_event__synthesize_threads(struct perf_tool *tool, struct machine *machine, bool mmap_data) { DIR *proc; + char proc_path[PATH_MAX]; struct dirent dirent, *next; - union perf_event *comm_event, *mmap_event; + union perf_event *comm_event, *mmap_event, *fork_event; int err = -1; + if (machine__is_default_guest(machine)) + return 0; + comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size); if (comm_event == NULL) goto out; @@ -398,10 +479,16 @@ int perf_event__synthesize_threads(struct perf_tool *tool, if (mmap_event == NULL) goto out_free_comm; - proc = opendir("/proc"); - if (proc == NULL) + fork_event = malloc(sizeof(fork_event->fork) + machine->id_hdr_size); + if (fork_event == NULL) goto out_free_mmap; + snprintf(proc_path, sizeof(proc_path), "%s/proc", machine->root_dir); + proc = opendir(proc_path); + + if (proc == NULL) + goto out_free_fork; + while (!readdir_r(proc, &dirent, &next) && next) { char *end; pid_t pid = strtol(dirent.d_name, &end, 10); @@ -412,12 +499,14 @@ int perf_event__synthesize_threads(struct perf_tool *tool, * We may race with exiting thread, so don't stop just because * one thread couldn't be synthesized. */ - __event__synthesize_thread(comm_event, mmap_event, pid, 1, - process, tool, machine, mmap_data); + __event__synthesize_thread(comm_event, mmap_event, fork_event, pid, + 1, process, tool, machine, mmap_data); } err = 0; closedir(proc); +out_free_fork: + free(fork_event); out_free_mmap: free(mmap_event); out_free_comm: @@ -448,23 +537,32 @@ static int find_symbol_cb(void *arg, const char *name, char type, return 1; } +u64 kallsyms__get_function_start(const char *kallsyms_filename, + const char *symbol_name) +{ + struct process_symbol_args args = { .name = symbol_name, }; + + if (kallsyms__parse(kallsyms_filename, &args, find_symbol_cb) <= 0) + return 0; + + return args.start; +} + int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, - struct machine *machine, - const char *symbol_name) + struct machine *machine) { size_t size; - const char *filename, *mmap_name; - char path[PATH_MAX]; + const char *mmap_name; char name_buff[PATH_MAX]; struct map *map; + struct kmap *kmap; int err; /* * We should get this from /sys/kernel/sections/.text, but till that is * available use this, and after it is use this as a fallback for older * kernels. */ - struct process_symbol_args args = { .name = symbol_name, }; union perf_event *event = zalloc((sizeof(event->mmap) + machine->id_hdr_size)); if (event == NULL) { @@ -480,30 +578,19 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, * see kernel/perf_event.c __perf_event_mmap */ event->header.misc = PERF_RECORD_MISC_KERNEL; - filename = "/proc/kallsyms"; } else { event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; - if (machine__is_default_guest(machine)) - filename = (char *) symbol_conf.default_guest_kallsyms; - else { - sprintf(path, "%s/proc/kallsyms", machine->root_dir); - filename = path; - } - } - - if (kallsyms__parse(filename, &args, find_symbol_cb) <= 0) { - free(event); - return -ENOENT; } map = machine->vmlinux_maps[MAP__FUNCTION]; + kmap = map__kmap(map); size = snprintf(event->mmap.filename, sizeof(event->mmap.filename), - "%s%s", mmap_name, symbol_name) + 1; + "%s%s", mmap_name, kmap->ref_reloc_sym->name) + 1; size = PERF_ALIGN(size, sizeof(u64)); event->mmap.header.type = PERF_RECORD_MMAP; event->mmap.header.size = (sizeof(event->mmap) - (sizeof(event->mmap.filename) - size) + machine->id_hdr_size); - event->mmap.pgoff = args.start; + event->mmap.pgoff = kmap->ref_reloc_sym->addr; event->mmap.start = map->start; event->mmap.len = map->end - event->mmap.start; event->mmap.pid = machine->pid; @@ -547,12 +634,15 @@ size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp) { return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 - " %02x:%02x %"PRIu64" %"PRIu64"]: %c %s\n", + " %02x:%02x %"PRIu64" %"PRIu64"]: %c%c%c%c %s\n", event->mmap2.pid, event->mmap2.tid, event->mmap2.start, event->mmap2.len, event->mmap2.pgoff, event->mmap2.maj, event->mmap2.min, event->mmap2.ino, event->mmap2.ino_generation, - (event->header.misc & PERF_RECORD_MISC_MMAP_DATA) ? 'r' : 'x', + (event->mmap2.prot & PROT_READ) ? 'r' : '-', + (event->mmap2.prot & PROT_WRITE) ? 'w' : '-', + (event->mmap2.prot & PROT_EXEC) ? 'x' : '-', + (event->mmap2.flags & MAP_SHARED) ? 's' : 'p', event->mmap2.filename); } @@ -634,13 +724,14 @@ void thread__find_addr_map(struct thread *thread, enum map_type type, u64 addr, struct addr_location *al) { - struct map_groups *mg = &thread->mg; + struct map_groups *mg = thread->mg; bool load_map = false; + al->machine = machine; al->thread = thread; al->addr = addr; al->cpumode = cpumode; - al->filtered = false; + al->filtered = 0; if (machine == NULL) { al->map = NULL; @@ -657,25 +748,20 @@ void thread__find_addr_map(struct thread *thread, al->level = 'g'; mg = &machine->kmaps; load_map = true; + } else if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) { + al->level = 'u'; } else { - /* - * 'u' means guest os user space. - * TODO: We don't support guest user space. Might support late. - */ - if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) - al->level = 'u'; - else - al->level = 'H'; + al->level = 'H'; al->map = NULL; if ((cpumode == PERF_RECORD_MISC_GUEST_USER || cpumode == PERF_RECORD_MISC_GUEST_KERNEL) && !perf_guest) - al->filtered = true; + al->filtered |= (1 << HIST_FILTER__GUEST); if ((cpumode == PERF_RECORD_MISC_USER || cpumode == PERF_RECORD_MISC_KERNEL) && !perf_host) - al->filtered = true; + al->filtered |= (1 << HIST_FILTER__HOST); return; } @@ -727,15 +813,11 @@ int perf_event__preprocess_sample(const union perf_event *event, { u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; struct thread *thread = machine__findnew_thread(machine, sample->pid, - sample->pid); + sample->tid); if (thread == NULL) return -1; - if (symbol_conf.comm_list && - !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) - goto out_filtered; - dump_printf(" ... thread: %s:%d\n", thread__comm_str(thread), thread->tid); /* * Have we already created the kernel maps for this machine? @@ -753,6 +835,10 @@ int perf_event__preprocess_sample(const union perf_event *event, dump_printf(" ...... dso: %s\n", al->map ? al->map->dso->long_name : al->level == 'H' ? "[hypervisor]" : "<not found>"); + + if (thread__is_filtered(thread)) + al->filtered |= (1 << HIST_FILTER__THREAD); + al->sym = NULL; al->cpu = sample->cpu; @@ -764,8 +850,9 @@ int perf_event__preprocess_sample(const union perf_event *event, dso->short_name) || (dso->short_name != dso->long_name && strlist__has_entry(symbol_conf.dso_list, - dso->long_name))))) - goto out_filtered; + dso->long_name))))) { + al->filtered |= (1 << HIST_FILTER__DSO); + } al->sym = map__find_symbol(al->map, al->addr, machine->symbol_filter); @@ -773,12 +860,9 @@ int perf_event__preprocess_sample(const union perf_event *event, if (symbol_conf.sym_list && (!al->sym || !strlist__has_entry(symbol_conf.sym_list, - al->sym->name))) - goto out_filtered; - - return 0; + al->sym->name))) { + al->filtered |= (1 << HIST_FILTER__SYMBOL); + } -out_filtered: - al->filtered = true; return 0; } diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 30fec9901e4..e5dd40addb3 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -7,6 +7,7 @@ #include "../perf.h" #include "map.h" #include "build-id.h" +#include "perf_regs.h" struct mmap_event { struct perf_event_header header; @@ -27,6 +28,8 @@ struct mmap2_event { u32 min; u64 ino; u64 ino_generation; + u32 prot; + u32 flags; char filename[PATH_MAX]; }; @@ -85,7 +88,12 @@ struct sample_event { struct regs_dump { u64 abi; + u64 mask; u64 *regs; + + /* Cached values/mask filled by first register access. */ + u64 cache_regs[PERF_REGS_MAX]; + u64 cache_mask; }; struct stack_dump { @@ -111,6 +119,30 @@ struct sample_read { }; }; +struct ip_callchain { + u64 nr; + u64 ips[0]; +}; + +struct branch_flags { + u64 mispred:1; + u64 predicted:1; + u64 in_tx:1; + u64 abort:1; + u64 reserved:60; +}; + +struct branch_entry { + u64 from; + u64 to; + struct branch_flags flags; +}; + +struct branch_stack { + u64 nr; + struct branch_entry entries[0]; +}; + struct perf_sample { u64 ip; u32 pid, tid; @@ -214,8 +246,7 @@ int perf_event__synthesize_threads(struct perf_tool *tool, struct machine *machine, bool mmap_data); int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, - struct machine *machine, - const char *symbol_name); + struct machine *machine); int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, @@ -260,16 +291,26 @@ int perf_event__preprocess_sample(const union perf_event *event, const char *perf_event__name(unsigned int id); size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, - u64 sample_regs_user, u64 read_format); + u64 read_format); int perf_event__synthesize_sample(union perf_event *event, u64 type, - u64 sample_regs_user, u64 read_format, + u64 read_format, const struct perf_sample *sample, bool swapped); +int perf_event__synthesize_mmap_events(struct perf_tool *tool, + union perf_event *event, + pid_t pid, pid_t tgid, + perf_event__handler_t process, + struct machine *machine, + bool mmap_data); + size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp); size_t perf_event__fprintf_task(union perf_event *event, FILE *fp); size_t perf_event__fprintf(union perf_event *event, FILE *fp); +u64 kallsyms__get_function_start(const char *kallsyms_filename, + const char *symbol_name); + #endif /* __PERF_RECORD_H */ diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index bbc746aa571..59ef2802fcf 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -7,7 +7,7 @@ * Released under the GPL v2. (and only v2, not any later version) */ #include "util.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include <poll.h> #include "cpumap.h" #include "thread_map.h" @@ -81,7 +81,7 @@ static void perf_evlist__update_id_pos(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) perf_evsel__calc_id_pos(evsel); perf_evlist__set_id_pos(evlist); @@ -91,7 +91,7 @@ static void perf_evlist__purge(struct perf_evlist *evlist) { struct perf_evsel *pos, *n; - list_for_each_entry_safe(pos, n, &evlist->entries, node) { + evlist__for_each_safe(evlist, n, pos) { list_del_init(&pos->node); perf_evsel__delete(pos); } @@ -101,14 +101,18 @@ static void perf_evlist__purge(struct perf_evlist *evlist) void perf_evlist__exit(struct perf_evlist *evlist) { - free(evlist->mmap); - free(evlist->pollfd); - evlist->mmap = NULL; - evlist->pollfd = NULL; + zfree(&evlist->mmap); + zfree(&evlist->pollfd); } void perf_evlist__delete(struct perf_evlist *evlist) { + perf_evlist__munmap(evlist); + perf_evlist__close(evlist); + cpu_map__delete(evlist->cpus); + thread_map__delete(evlist->threads); + evlist->cpus = NULL; + evlist->threads = NULL; perf_evlist__purge(evlist); perf_evlist__exit(evlist); free(evlist); @@ -144,7 +148,7 @@ void __perf_evlist__set_leader(struct list_head *list) leader->nr_members = evsel->idx - leader->idx + 1; - list_for_each_entry(evsel, list, node) { + __evlist__for_each(list, evsel) { evsel->leader = leader; } } @@ -203,7 +207,7 @@ static int perf_evlist__add_attrs(struct perf_evlist *evlist, return 0; out_delete_partial_list: - list_for_each_entry_safe(evsel, n, &head, node) + __evlist__for_each_safe(&head, n, evsel) perf_evsel__delete(evsel); return -1; } @@ -224,7 +228,7 @@ perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->attr.type == PERF_TYPE_TRACEPOINT && (int)evsel->attr.config == id) return evsel; @@ -239,7 +243,7 @@ perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist, { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if ((evsel->attr.type == PERF_TYPE_TRACEPOINT) && (strcmp(evsel->name, name) == 0)) return evsel; @@ -269,7 +273,7 @@ void perf_evlist__disable(struct perf_evlist *evlist) int nr_threads = thread_map__nr(evlist->threads); for (cpu = 0; cpu < nr_cpus; cpu++) { - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (!perf_evsel__is_group_leader(pos) || !pos->fd) continue; for (thread = 0; thread < nr_threads; thread++) @@ -287,7 +291,7 @@ void perf_evlist__enable(struct perf_evlist *evlist) int nr_threads = thread_map__nr(evlist->threads); for (cpu = 0; cpu < nr_cpus; cpu++) { - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (!perf_evsel__is_group_leader(pos) || !pos->fd) continue; for (thread = 0; thread < nr_threads; thread++) @@ -584,11 +588,13 @@ void perf_evlist__munmap(struct perf_evlist *evlist) { int i; + if (evlist->mmap == NULL) + return; + for (i = 0; i < evlist->nr_mmaps; i++) __perf_evlist__munmap(evlist, i); - free(evlist->mmap); - evlist->mmap = NULL; + zfree(&evlist->mmap); } static int perf_evlist__alloc_mmap(struct perf_evlist *evlist) @@ -624,7 +630,7 @@ static int perf_evlist__mmap_per_evsel(struct perf_evlist *evlist, int idx, { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { int fd = FD(evsel, cpu, thread); if (*output == -1) { @@ -732,11 +738,13 @@ static long parse_pages_arg(const char *str, unsigned long min, return -EINVAL; } - if ((pages == 0) && (min == 0)) { + if (pages == 0 && min == 0) { /* leave number of pages at 0 */ - } else if (pages < (1UL << 31) && !is_power_of_2(pages)) { + } else if (!is_power_of_2(pages)) { /* round pages up to next power of 2 */ - pages = next_pow2(pages); + pages = next_pow2_l(pages); + if (!pages) + return -EINVAL; pr_info("rounding mmap pages size to %lu bytes (%lu pages)\n", pages * page_size, pages); } @@ -754,7 +762,7 @@ int perf_evlist__parse_mmap_pages(const struct option *opt, const char *str, unsigned long max = UINT_MAX; long pages; - if (max < SIZE_MAX / page_size) + if (max > SIZE_MAX / page_size) max = SIZE_MAX / page_size; pages = parse_pages_arg(str, 1, max); @@ -798,7 +806,7 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, pr_debug("mmap size %zuB\n", evlist->mmap_len); mask = evlist->mmap_len - page_size - 1; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if ((evsel->attr.read_format & PERF_FORMAT_ID) && evsel->sample_id == NULL && perf_evsel__alloc_id(evsel, cpu_map__nr(cpus), threads->nr) < 0) @@ -819,11 +827,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target) if (evlist->threads == NULL) return -1; - if (target->force_per_cpu) - evlist->cpus = cpu_map__new(target->cpu_list); - else if (target__has_task(target)) - evlist->cpus = cpu_map__dummy_new(); - else if (!target__has_cpu(target) && !target->uses_mmap) + if (target__uses_dummy_map(target)) evlist->cpus = cpu_map__dummy_new(); else evlist->cpus = cpu_map__new(target->cpu_list); @@ -838,14 +842,6 @@ out_delete_threads: return -1; } -void perf_evlist__delete_maps(struct perf_evlist *evlist) -{ - cpu_map__delete(evlist->cpus); - thread_map__delete(evlist->threads); - evlist->cpus = NULL; - evlist->threads = NULL; -} - int perf_evlist__apply_filters(struct perf_evlist *evlist) { struct perf_evsel *evsel; @@ -853,7 +849,7 @@ int perf_evlist__apply_filters(struct perf_evlist *evlist) const int ncpus = cpu_map__nr(evlist->cpus), nthreads = thread_map__nr(evlist->threads); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->filter == NULL) continue; @@ -872,7 +868,7 @@ int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter) const int ncpus = cpu_map__nr(evlist->cpus), nthreads = thread_map__nr(evlist->threads); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { err = perf_evsel__set_filter(evsel, ncpus, nthreads, filter); if (err) break; @@ -891,7 +887,7 @@ bool perf_evlist__valid_sample_type(struct perf_evlist *evlist) if (evlist->id_pos < 0 || evlist->is_pos < 0) return false; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (pos->id_pos != evlist->id_pos || pos->is_pos != evlist->is_pos) return false; @@ -907,7 +903,7 @@ u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist) if (evlist->combined_sample_type) return evlist->combined_sample_type; - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) evlist->combined_sample_type |= evsel->attr.sample_type; return evlist->combined_sample_type; @@ -925,7 +921,7 @@ bool perf_evlist__valid_read_format(struct perf_evlist *evlist) u64 read_format = first->attr.read_format; u64 sample_type = first->attr.sample_type; - list_for_each_entry_continue(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (read_format != pos->attr.read_format) return false; } @@ -982,7 +978,7 @@ bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist) { struct perf_evsel *first = perf_evlist__first(evlist), *pos = first; - list_for_each_entry_continue(pos, &evlist->entries, node) { + evlist__for_each_continue(evlist, pos) { if (first->attr.sample_id_all != pos->attr.sample_id_all) return false; } @@ -1007,9 +1003,12 @@ void perf_evlist__close(struct perf_evlist *evlist) struct perf_evsel *evsel; int ncpus = cpu_map__nr(evlist->cpus); int nthreads = thread_map__nr(evlist->threads); + int n; - list_for_each_entry_reverse(evsel, &evlist->entries, node) - perf_evsel__close(evsel, ncpus, nthreads); + evlist__for_each_reverse(evlist, evsel) { + n = evsel->cpus ? evsel->cpus->nr : ncpus; + perf_evsel__close(evsel, n, nthreads); + } } int perf_evlist__open(struct perf_evlist *evlist) @@ -1019,7 +1018,7 @@ int perf_evlist__open(struct perf_evlist *evlist) perf_evlist__update_id_pos(evlist); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { err = perf_evsel__open(evsel, evlist->cpus, evlist->threads); if (err < 0) goto out_err; @@ -1034,7 +1033,7 @@ out_err: int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *target, const char *argv[], bool pipe_output, - bool want_signal) + void (*exec_error)(int signo, siginfo_t *info, void *ucontext)) { int child_ready_pipe[2], go_pipe[2]; char bf; @@ -1078,12 +1077,25 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *tar execvp(argv[0], (char **)argv); - perror(argv[0]); - if (want_signal) - kill(getppid(), SIGUSR1); + if (exec_error) { + union sigval val; + + val.sival_int = errno; + if (sigqueue(getppid(), SIGUSR1, val)) + perror(argv[0]); + } else + perror(argv[0]); exit(-1); } + if (exec_error) { + struct sigaction act = { + .sa_flags = SA_SIGINFO, + .sa_sigaction = exec_error, + }; + sigaction(SIGUSR1, &act, NULL); + } + if (target__none(target)) evlist->threads->map[0] = evlist->workload.pid; @@ -1145,7 +1157,7 @@ size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp) struct perf_evsel *evsel; size_t printed = 0; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "", perf_evsel__name(evsel)); } @@ -1193,8 +1205,7 @@ int perf_evlist__strerror_open(struct perf_evlist *evlist __maybe_unused, "Error:\t%s.\n" "Hint:\tCheck /proc/sys/kernel/perf_event_paranoid setting.", emsg); - if (filename__read_int("/proc/sys/kernel/perf_event_paranoid", &value)) - break; + value = perf_event_paranoid(); printed += scnprintf(buf + printed, size - printed, "\nHint:\t"); @@ -1215,3 +1226,20 @@ int perf_evlist__strerror_open(struct perf_evlist *evlist __maybe_unused, return 0; } + +void perf_evlist__to_front(struct perf_evlist *evlist, + struct perf_evsel *move_evsel) +{ + struct perf_evsel *evsel, *n; + LIST_HEAD(move); + + if (move_evsel == perf_evlist__first(evlist)) + return; + + evlist__for_each_safe(evlist, n, evsel) { + if (evsel->leader == move_evsel->leader) + list_move_tail(&evsel->node, &move); + } + + list_splice(&move, &evlist->entries); +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 649d6ea98a8..f5173cd6369 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -12,7 +12,7 @@ struct pollfd; struct thread_map; struct cpu_map; -struct perf_record_opts; +struct record_opts; #define PERF_EVLIST__HLIST_BITS 8 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS) @@ -97,14 +97,14 @@ void perf_evlist__close(struct perf_evlist *evlist); void perf_evlist__set_id_pos(struct perf_evlist *evlist); bool perf_can_sample_identifier(void); -void perf_evlist__config(struct perf_evlist *evlist, - struct perf_record_opts *opts); -int perf_record_opts__config(struct perf_record_opts *opts); +void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts); +int record_opts__config(struct record_opts *opts); int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *target, const char *argv[], bool pipe_output, - bool want_signal); + void (*exec_error)(int signo, siginfo_t *info, + void *ucontext)); int perf_evlist__start_workload(struct perf_evlist *evlist); int perf_evlist__parse_mmap_pages(const struct option *opt, @@ -135,7 +135,6 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist, } int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target); -void perf_evlist__delete_maps(struct perf_evlist *evlist); int perf_evlist__apply_filters(struct perf_evlist *evlist); void __perf_evlist__set_leader(struct list_head *list); @@ -193,4 +192,74 @@ static inline void perf_mmap__write_tail(struct perf_mmap *md, pc->data_tail = tail; } +bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str); +void perf_evlist__to_front(struct perf_evlist *evlist, + struct perf_evsel *move_evsel); + +/** + * __evlist__for_each - iterate thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each(list, evsel) \ + list_for_each_entry(evsel, list, node) + +/** + * evlist__for_each - iterate thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each(evlist, evsel) \ + __evlist__for_each(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_continue - continue iteration thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_continue(list, evsel) \ + list_for_each_entry_continue(evsel, list, node) + +/** + * evlist__for_each_continue - continue iteration thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_continue(evlist, evsel) \ + __evlist__for_each_continue(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_reverse - iterate thru all the evsels in reverse order + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_reverse(list, evsel) \ + list_for_each_entry_reverse(evsel, list, node) + +/** + * evlist__for_each_reverse - iterate thru all the evsels in reverse order + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_reverse(evlist, evsel) \ + __evlist__for_each_reverse(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_safe - safely iterate thru all the evsels + * @list: list_head instance to iterate + * @tmp: struct evsel temp iterator + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_safe(list, tmp, evsel) \ + list_for_each_entry_safe(evsel, tmp, list, node) + +/** + * evlist__for_each_safe - safely iterate thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + * @tmp: struct evsel temp iterator + */ +#define evlist__for_each_safe(evlist, tmp, evsel) \ + __evlist__for_each_safe(&(evlist)->entries, tmp, evsel) + #endif /* __PERF_EVLIST_H */ diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 46dd4c2a41c..8606175fe1e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -9,7 +9,7 @@ #include <byteswap.h> #include <linux/bitops.h> -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include <traceevent/event-parse.h> #include <linux/hw_breakpoint.h> #include <linux/perf_event.h> @@ -23,6 +23,7 @@ #include "target.h" #include "perf_regs.h" #include "debug.h" +#include "trace-event.h" static struct { bool sample_id_all; @@ -162,6 +163,8 @@ void perf_evsel__init(struct perf_evsel *evsel, evsel->idx = idx; evsel->attr = *attr; evsel->leader = evsel; + evsel->unit = ""; + evsel->scale = 1.0; INIT_LIST_HEAD(&evsel->node); hists__init(&evsel->hists); evsel->sample_size = __perf_evsel__sample_size(attr->sample_type); @@ -178,47 +181,6 @@ struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx) return evsel; } -struct event_format *event_format__new(const char *sys, const char *name) -{ - int fd, n; - char *filename; - void *bf = NULL, *nbf; - size_t size = 0, alloc_size = 0; - struct event_format *format = NULL; - - if (asprintf(&filename, "%s/%s/%s/format", tracing_events_path, sys, name) < 0) - goto out; - - fd = open(filename, O_RDONLY); - if (fd < 0) - goto out_free_filename; - - do { - if (size == alloc_size) { - alloc_size += BUFSIZ; - nbf = realloc(bf, alloc_size); - if (nbf == NULL) - goto out_free_bf; - bf = nbf; - } - - n = read(fd, bf + size, alloc_size - size); - if (n < 0) - goto out_free_bf; - size += n; - } while (n > 0); - - pevent_parse_format(&format, bf, size, sys); - -out_free_bf: - free(bf); - close(fd); -out_free_filename: - free(filename); -out: - return format; -} - struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx) { struct perf_evsel *evsel = zalloc(sizeof(*evsel)); @@ -233,7 +195,7 @@ struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int if (asprintf(&evsel->name, "%s:%s", sys, name) < 0) goto out_free; - evsel->tp_format = event_format__new(sys, name); + evsel->tp_format = trace_event__tp_format(sys, name); if (evsel->tp_format == NULL) goto out_free; @@ -246,7 +208,7 @@ struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int return evsel; out_free: - free(evsel->name); + zfree(&evsel->name); free(evsel); return NULL; } @@ -538,6 +500,34 @@ int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size) return ret; } +static void +perf_evsel__config_callgraph(struct perf_evsel *evsel, + struct record_opts *opts) +{ + bool function = perf_evsel__is_function_event(evsel); + struct perf_event_attr *attr = &evsel->attr; + + perf_evsel__set_sample_bit(evsel, CALLCHAIN); + + if (opts->call_graph == CALLCHAIN_DWARF) { + if (!function) { + perf_evsel__set_sample_bit(evsel, REGS_USER); + perf_evsel__set_sample_bit(evsel, STACK_USER); + attr->sample_regs_user = PERF_REGS_MASK; + attr->sample_stack_user = opts->stack_dump_size; + attr->exclude_callchain_user = 1; + } else { + pr_info("Cannot use DWARF unwind for function trace event," + " falling back to framepointers.\n"); + } + } + + if (function) { + pr_info("Disabling user space callchains for function trace event.\n"); + attr->exclude_callchain_user = 1; + } +} + /* * The enable_on_exec/disabled value strategy: * @@ -566,12 +556,12 @@ int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size) * enable/disable events specifically, as there's no * initial traced exec call. */ -void perf_evsel__config(struct perf_evsel *evsel, - struct perf_record_opts *opts) +void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) { struct perf_evsel *leader = evsel->leader; struct perf_event_attr *attr = &evsel->attr; int track = !evsel->idx; /* only the first counter needs these */ + bool per_cpu = opts->target.default_per_cpu && !opts->target.per_thread; attr->sample_id_all = perf_missing_features.sample_id_all ? 0 : 1; attr->inherit = !opts->no_inherit; @@ -599,10 +589,10 @@ void perf_evsel__config(struct perf_evsel *evsel, } /* - * We default some events to a 1 default interval. But keep + * We default some events to have a default interval. But keep * it a weak assumption overridable by the user. */ - if (!attr->sample_period || (opts->user_freq != UINT_MAX && + if (!attr->sample_period || (opts->user_freq != UINT_MAX || opts->user_interval != ULLONG_MAX)) { if (opts->freq) { perf_evsel__set_sample_bit(evsel, PERIOD); @@ -633,19 +623,10 @@ void perf_evsel__config(struct perf_evsel *evsel, attr->mmap_data = track; } - if (opts->call_graph) { - perf_evsel__set_sample_bit(evsel, CALLCHAIN); + if (opts->call_graph_enabled) + perf_evsel__config_callgraph(evsel, opts); - if (opts->call_graph == CALLCHAIN_DWARF) { - perf_evsel__set_sample_bit(evsel, REGS_USER); - perf_evsel__set_sample_bit(evsel, STACK_USER); - attr->sample_regs_user = PERF_REGS_MASK; - attr->sample_stack_user = opts->stack_dump_size; - attr->exclude_callchain_user = 1; - } - } - - if (target__has_cpu(&opts->target) || opts->target.force_per_cpu) + if (target__has_cpu(&opts->target)) perf_evsel__set_sample_bit(evsel, CPU); if (opts->period) @@ -653,7 +634,7 @@ void perf_evsel__config(struct perf_evsel *evsel, if (!perf_missing_features.sample_id_all && (opts->sample_time || !opts->no_inherit || - target__has_cpu(&opts->target) || opts->target.force_per_cpu)) + target__has_cpu(&opts->target) || per_cpu)) perf_evsel__set_sample_bit(evsel, TIME); if (opts->raw_samples) { @@ -665,7 +646,7 @@ void perf_evsel__config(struct perf_evsel *evsel, if (opts->sample_address) perf_evsel__set_sample_bit(evsel, DATA_SRC); - if (opts->no_delay) { + if (opts->no_buffering) { attr->watermark = 0; attr->wakeup_events = 1; } @@ -678,6 +659,7 @@ void perf_evsel__config(struct perf_evsel *evsel, perf_evsel__set_sample_bit(evsel, WEIGHT); attr->mmap = track; + attr->mmap2 = track && !perf_missing_features.mmap2; attr->comm = track; if (opts->sample_transaction) @@ -696,7 +678,8 @@ void perf_evsel__config(struct perf_evsel *evsel, * Setting enable_on_exec for independent events and * group leaders for traced executed by perf. */ - if (target__none(&opts->target) && perf_evsel__is_group_leader(evsel)) + if (target__none(&opts->target) && perf_evsel__is_group_leader(evsel) && + !opts->initial_delay) attr->enable_on_exec = 1; } @@ -788,8 +771,7 @@ void perf_evsel__free_id(struct perf_evsel *evsel) { xyarray__delete(evsel->sample_id); evsel->sample_id = NULL; - free(evsel->id); - evsel->id = NULL; + zfree(&evsel->id); } void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads) @@ -805,7 +787,7 @@ void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads) void perf_evsel__free_counts(struct perf_evsel *evsel) { - free(evsel->counts); + zfree(&evsel->counts); } void perf_evsel__exit(struct perf_evsel *evsel) @@ -819,10 +801,10 @@ void perf_evsel__delete(struct perf_evsel *evsel) { perf_evsel__exit(evsel); close_cgroup(evsel->cgrp); - free(evsel->group_name); + zfree(&evsel->group_name); if (evsel->tp_format) pevent_free_format(evsel->tp_format); - free(evsel->name); + zfree(&evsel->name); free(evsel); } @@ -1042,7 +1024,7 @@ retry_sample_id: group_fd = get_group_fd(evsel, cpu, thread); retry_open: - pr_debug2("perf_event_open: pid %d cpu %d group_fd %d flags %#lx\n", + pr_debug2("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx\n", pid, cpus->map[cpu], group_fd, flags); FD(evsel, cpu, thread) = sys_perf_event_open(&evsel->attr, @@ -1051,7 +1033,7 @@ retry_open: group_fd, flags); if (FD(evsel, cpu, thread) < 0) { err = -errno; - pr_debug2("perf_event_open failed, error %d\n", + pr_debug2("sys_perf_event_open failed, error %d\n", err); goto try_fallback; } @@ -1119,7 +1101,6 @@ void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads) perf_evsel__close_fd(evsel, ncpus, nthreads); perf_evsel__free_fd(evsel); - evsel->fd = NULL; } static struct { @@ -1259,7 +1240,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, memset(data, 0, sizeof(*data)); data->cpu = data->pid = data->tid = -1; data->stream_id = data->id = data->time = -1ULL; - data->period = 1; + data->period = evsel->attr.sample_period; data->weight = 0; if (event->header.type != PERF_RECORD_SAMPLE) { @@ -1435,10 +1416,11 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, array++; if (data->user_regs.abi) { - u64 regs_user = evsel->attr.sample_regs_user; + u64 mask = evsel->attr.sample_regs_user; - sz = hweight_long(regs_user) * sizeof(u64); + sz = hweight_long(mask) * sizeof(u64); OVERFLOW_CHECK(array, sz, max_size); + data->user_regs.mask = mask; data->user_regs.regs = (u64 *)array; array = (void *)array + sz; } @@ -1490,7 +1472,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, } size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, - u64 sample_regs_user, u64 read_format) + u64 read_format) { size_t sz, result = sizeof(struct sample_event); @@ -1556,7 +1538,7 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, if (type & PERF_SAMPLE_REGS_USER) { if (sample->user_regs.abi) { result += sizeof(u64); - sz = hweight_long(sample_regs_user) * sizeof(u64); + sz = hweight_long(sample->user_regs.mask) * sizeof(u64); result += sz; } else { result += sizeof(u64); @@ -1585,7 +1567,7 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, } int perf_event__synthesize_sample(union perf_event *event, u64 type, - u64 sample_regs_user, u64 read_format, + u64 read_format, const struct perf_sample *sample, bool swapped) { @@ -1726,7 +1708,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, if (type & PERF_SAMPLE_REGS_USER) { if (sample->user_regs.abi) { *array++ = sample->user_regs.abi; - sz = hweight_long(sample_regs_user) * sizeof(u64); + sz = hweight_long(sample->user_regs.mask) * sizeof(u64); memcpy(array, sample->user_regs.regs, sz); array = (void *)array + sz; } else { @@ -1998,8 +1980,7 @@ bool perf_evsel__fallback(struct perf_evsel *evsel, int err, evsel->attr.type = PERF_TYPE_SOFTWARE; evsel->attr.config = PERF_COUNT_SW_CPU_CLOCK; - free(evsel->name); - evsel->name = NULL; + zfree(&evsel->name); return true; } diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 1ea7c92e6e3..a52e9a5bb2d 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -5,12 +5,12 @@ #include <stdbool.h> #include <stddef.h> #include <linux/perf_event.h> -#include "types.h" +#include <linux/types.h> #include "xyarray.h" #include "cgroup.h" #include "hist.h" #include "symbol.h" - + struct perf_counts_values { union { struct { @@ -68,6 +68,8 @@ struct perf_evsel { u32 ids; struct hists hists; char *name; + double scale; + const char *unit; struct event_format *tp_format; union { void *priv; @@ -89,12 +91,17 @@ struct perf_evsel { char *group_name; }; +union u64_swap { + u64 val64; + u32 val32[2]; +}; + #define hists_to_evsel(h) container_of(h, struct perf_evsel, hists) struct cpu_map; struct thread_map; struct perf_evlist; -struct perf_record_opts; +struct record_opts; struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx); @@ -118,7 +125,7 @@ void perf_evsel__exit(struct perf_evsel *evsel); void perf_evsel__delete(struct perf_evsel *evsel); void perf_evsel__config(struct perf_evsel *evsel, - struct perf_record_opts *opts); + struct record_opts *opts); int __perf_evsel__sample_size(u64 sample_type); void perf_evsel__calc_id_pos(struct perf_evsel *evsel); @@ -138,6 +145,7 @@ extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size); const char *perf_evsel__name(struct perf_evsel *evsel); + const char *perf_evsel__group_name(struct perf_evsel *evsel); int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size); @@ -312,6 +320,24 @@ static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; } +/** + * perf_evsel__is_function_event - Return whether given evsel is a function + * trace event + * + * @evsel - evsel selector to be tested + * + * Return %true if event is function trace event + */ +static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel) +{ +#define FUNCTION_EVENT "ftrace:function" + + return evsel->name && + !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT)); + +#undef FUNCTION_EVENT +} + struct perf_attr_details { bool freq; bool verbose; diff --git a/tools/perf/util/fs.h b/tools/perf/util/fs.h deleted file mode 100644 index 5e09ce1bab0..00000000000 --- a/tools/perf/util/fs.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __PERF_FS -#define __PERF_FS - -const char *sysfs__mountpoint(void); -const char *procfs__mountpoint(void); - -#endif /* __PERF_FS */ diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 1cd03570893..893f8e2df92 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -177,7 +177,7 @@ perf_header__set_cmdline(int argc, const char **argv) continue; \ else -static int write_buildid(char *name, size_t name_len, u8 *build_id, +static int write_buildid(const char *name, size_t name_len, u8 *build_id, pid_t pid, u16 misc, int fd) { int err; @@ -209,7 +209,7 @@ static int __dsos__write_buildid_table(struct list_head *head, dsos__for_each_with_build_id(pos, head) { int err; - char *name; + const char *name; size_t name_len; if (!pos->hit) @@ -387,7 +387,7 @@ static int dso__cache_build_id(struct dso *dso, struct machine *machine, { bool is_kallsyms = dso->kernel && dso->long_name[0] != '/'; bool is_vdso = is_vdso_map(dso->short_name); - char *name = dso->long_name; + const char *name = dso->long_name; char nm[PATH_MAX]; if (dso__is_kcore(dso)) { @@ -643,8 +643,7 @@ static int write_event_desc(int fd, struct perf_header *h __maybe_unused, if (ret < 0) return ret; - list_for_each_entry(evsel, &evlist->entries, node) { - + evlist__for_each(evlist, evsel) { ret = do_write(fd, &evsel->attr, sz); if (ret < 0) return ret; @@ -800,10 +799,10 @@ static void free_cpu_topo(struct cpu_topo *tp) return; for (i = 0 ; i < tp->core_sib; i++) - free(tp->core_siblings[i]); + zfree(&tp->core_siblings[i]); for (i = 0 ; i < tp->thread_sib; i++) - free(tp->thread_siblings[i]); + zfree(&tp->thread_siblings[i]); free(tp); } @@ -931,7 +930,7 @@ static int write_topo_node(int fd, int node) /* skip over invalid lines */ if (!strchr(buf, ':')) continue; - if (sscanf(buf, "%*s %*d %s %"PRIu64, field, &mem) != 2) + if (sscanf(buf, "%*s %*d %31s %"PRIu64, field, &mem) != 2) goto done; if (!strcmp(field, "MemTotal:")) mem_total = mem; @@ -1092,7 +1091,7 @@ static int write_group_desc(int fd, struct perf_header *h __maybe_unused, if (ret < 0) return ret; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1) { const char *name = evsel->group_name ?: "{anon_group}"; @@ -1232,10 +1231,8 @@ static void free_event_desc(struct perf_evsel *events) return; for (evsel = events; evsel->attr.size; evsel++) { - if (evsel->name) - free(evsel->name); - if (evsel->id) - free(evsel->id); + zfree(&evsel->name); + zfree(&evsel->id); } free(events); @@ -1326,8 +1323,7 @@ read_event_desc(struct perf_header *ph, int fd) } } out: - if (buf) - free(buf); + free(buf); return events; error: if (events) @@ -1490,7 +1486,7 @@ static void print_group_desc(struct perf_header *ph, int fd __maybe_unused, session = container_of(ph, struct perf_session, header); - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { if (perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1) { fprintf(fp, "# group: %s{%s", evsel->group_name ?: "", @@ -1709,7 +1705,7 @@ static int process_nrcpus(struct perf_file_section *section __maybe_unused, struct perf_header *ph, int fd, void *data __maybe_unused) { - size_t ret; + ssize_t ret; u32 nr; ret = readn(fd, &nr, sizeof(nr)); @@ -1753,7 +1749,7 @@ static int process_total_mem(struct perf_file_section *section __maybe_unused, void *data __maybe_unused) { uint64_t mem; - size_t ret; + ssize_t ret; ret = readn(fd, &mem, sizeof(mem)); if (ret != sizeof(mem)) @@ -1771,7 +1767,7 @@ perf_evlist__find_by_index(struct perf_evlist *evlist, int idx) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->idx == idx) return evsel; } @@ -1822,7 +1818,7 @@ static int process_cmdline(struct perf_file_section *section __maybe_unused, struct perf_header *ph, int fd, void *data __maybe_unused) { - size_t ret; + ssize_t ret; char *str; u32 nr, i; struct strbuf sb; @@ -1858,7 +1854,7 @@ static int process_cpu_topology(struct perf_file_section *section __maybe_unused struct perf_header *ph, int fd, void *data __maybe_unused) { - size_t ret; + ssize_t ret; u32 nr, i; char *str; struct strbuf sb; @@ -1914,7 +1910,7 @@ static int process_numa_topology(struct perf_file_section *section __maybe_unuse struct perf_header *ph, int fd, void *data __maybe_unused) { - size_t ret; + ssize_t ret; u32 nr, node, i; char *str; uint64_t mem_total, mem_free; @@ -1974,7 +1970,7 @@ static int process_pmu_mappings(struct perf_file_section *section __maybe_unused struct perf_header *ph, int fd, void *data __maybe_unused) { - size_t ret; + ssize_t ret; char *name; u32 pmu_num; u32 type; @@ -2074,7 +2070,7 @@ static int process_group_desc(struct perf_file_section *section __maybe_unused, session->evlist->nr_groups = nr_groups; i = nr = 0; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { if (evsel->idx == (int) desc[i].leader_idx) { evsel->leader = evsel; /* {anon_group} is a dummy name */ @@ -2108,7 +2104,7 @@ static int process_group_desc(struct perf_file_section *section __maybe_unused, ret = 0; out_free: for (i = 0; i < nr_groups; i++) - free(desc[i].name); + zfree(&desc[i].name); free(desc); return ret; @@ -2301,7 +2297,7 @@ int perf_session__write_header(struct perf_session *session, lseek(fd, sizeof(f_header), SEEK_SET); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { evsel->id_offset = lseek(fd, 0, SEEK_CUR); err = do_write(fd, evsel->id, evsel->ids * sizeof(u64)); if (err < 0) { @@ -2312,7 +2308,7 @@ int perf_session__write_header(struct perf_session *session, attr_offset = lseek(fd, 0, SEEK_CUR); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { f_attr = (struct perf_file_attr){ .attr = evsel->attr, .ids = { @@ -2327,7 +2323,8 @@ int perf_session__write_header(struct perf_session *session, } } - header->data_offset = lseek(fd, 0, SEEK_CUR); + if (!header->data_offset) + header->data_offset = lseek(fd, 0, SEEK_CUR); header->feat_offset = header->data_offset + header->data_size; if (at_exit) { @@ -2534,7 +2531,7 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz, int perf_file_header__read(struct perf_file_header *header, struct perf_header *ph, int fd) { - int ret; + ssize_t ret; lseek(fd, 0, SEEK_SET); @@ -2628,7 +2625,7 @@ static int perf_file_header__read_pipe(struct perf_pipe_file_header *header, struct perf_header *ph, int fd, bool repipe) { - int ret; + ssize_t ret; ret = readn(fd, header, sizeof(*header)); if (ret <= 0) @@ -2669,7 +2666,7 @@ static int read_attr(int fd, struct perf_header *ph, struct perf_event_attr *attr = &f_attr->attr; size_t sz, left; size_t our_sz = sizeof(f_attr->attr); - int ret; + ssize_t ret; memset(f_attr, 0, sizeof(*f_attr)); @@ -2744,7 +2741,7 @@ static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist, { struct perf_evsel *pos; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (pos->attr.type == PERF_TYPE_TRACEPOINT && perf_evsel__prepare_tracepoint_event(pos, pevent)) return -1; @@ -2834,11 +2831,11 @@ int perf_session__read_header(struct perf_session *session) symbol_conf.nr_events = nr_attrs; - perf_header__process_sections(header, fd, &session->pevent, + perf_header__process_sections(header, fd, &session->tevent, perf_file_section__process); if (perf_evlist__prepare_tracepoint_events(session->evlist, - session->pevent)) + session->tevent.pevent)) goto out_delete_evlist; return 0; @@ -2892,7 +2889,7 @@ int perf_event__synthesize_attrs(struct perf_tool *tool, struct perf_evsel *evsel; int err = 0; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { err = perf_event__synthesize_attr(tool, &evsel->attr, evsel->ids, evsel->id, process); if (err) { @@ -3003,7 +3000,7 @@ int perf_event__process_tracing_data(struct perf_tool *tool __maybe_unused, lseek(fd, offset + sizeof(struct tracing_data_event), SEEK_SET); - size_read = trace_report(fd, &session->pevent, + size_read = trace_report(fd, &session->tevent, session->repipe); padding = PERF_ALIGN(size_read, sizeof(u64)) - size_read; @@ -3025,7 +3022,7 @@ int perf_event__process_tracing_data(struct perf_tool *tool __maybe_unused, } perf_evlist__prepare_tracepoint_events(session->evlist, - session->pevent); + session->tevent.pevent); return size_read + padding; } diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 307c9aed972..d08cfe49940 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -4,10 +4,10 @@ #include <linux/perf_event.h> #include <sys/types.h> #include <stdbool.h> -#include "types.h" +#include <linux/bitmap.h> +#include <linux/types.h> #include "event.h" -#include <linux/bitmap.h> enum { HEADER_RESERVED = 0, /* always cleared */ @@ -77,16 +77,16 @@ struct perf_session_env { unsigned long long total_mem; int nr_cmdline; - char *cmdline; int nr_sibling_cores; - char *sibling_cores; int nr_sibling_threads; - char *sibling_threads; int nr_numa_nodes; - char *numa_nodes; int nr_pmu_mappings; - char *pmu_mappings; int nr_groups; + char *cmdline; + char *sibling_cores; + char *sibling_threads; + char *numa_nodes; + char *pmu_mappings; }; struct perf_header { diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c index 8b1f6e891b8..86c37c47226 100644 --- a/tools/perf/util/help.c +++ b/tools/perf/util/help.c @@ -22,8 +22,8 @@ static void clean_cmdnames(struct cmdnames *cmds) unsigned int i; for (i = 0; i < cmds->cnt; ++i) - free(cmds->names[i]); - free(cmds->names); + zfree(&cmds->names[i]); + zfree(&cmds->names); cmds->cnt = 0; cmds->alloc = 0; } @@ -263,9 +263,8 @@ static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old) for (i = 0; i < old->cnt; i++) cmds->names[cmds->cnt++] = old->names[i]; - free(old->names); + zfree(&old->names); old->cnt = 0; - old->names = NULL; } const char *help_unknown_cmd(const char *cmd) diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 822903eaa20..30df6187ee0 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1,10 +1,10 @@ -#include "annotate.h" #include "util.h" #include "build-id.h" #include "hist.h" #include "session.h" #include "sort.h" #include "evsel.h" +#include "annotate.h" #include <math.h> static bool hists__filter_entry_by_dso(struct hists *hists, @@ -14,13 +14,6 @@ static bool hists__filter_entry_by_thread(struct hists *hists, static bool hists__filter_entry_by_symbol(struct hists *hists, struct hist_entry *he); -enum hist_filter { - HIST_FILTER__DSO, - HIST_FILTER__THREAD, - HIST_FILTER__PARENT, - HIST_FILTER__SYMBOL, -}; - struct callchain_param callchain_param = { .mode = CHAIN_GRAPH_REL, .min_percent = 0.5, @@ -135,6 +128,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) + unresolved_col_width + 2; hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, symlen); + hists__new_col_len(hists, HISTC_MEM_DCACHELINE, + symlen + 1); } else { symlen = unresolved_col_width + 4 + 2; hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, @@ -182,21 +177,21 @@ void hists__output_recalc_col_len(struct hists *hists, int max_rows) } } -static void hist_entry__add_cpumode_period(struct hist_entry *he, - unsigned int cpumode, u64 period) +static void he_stat__add_cpumode_period(struct he_stat *he_stat, + unsigned int cpumode, u64 period) { switch (cpumode) { case PERF_RECORD_MISC_KERNEL: - he->stat.period_sys += period; + he_stat->period_sys += period; break; case PERF_RECORD_MISC_USER: - he->stat.period_us += period; + he_stat->period_us += period; break; case PERF_RECORD_MISC_GUEST_KERNEL: - he->stat.period_guest_sys += period; + he_stat->period_guest_sys += period; break; case PERF_RECORD_MISC_GUEST_USER: - he->stat.period_guest_us += period; + he_stat->period_guest_us += period; break; default: break; @@ -223,24 +218,30 @@ static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src) dest->weight += src->weight; } -static void hist_entry__decay(struct hist_entry *he) +static void he_stat__decay(struct he_stat *he_stat) { - he->stat.period = (he->stat.period * 7) / 8; - he->stat.nr_events = (he->stat.nr_events * 7) / 8; + he_stat->period = (he_stat->period * 7) / 8; + he_stat->nr_events = (he_stat->nr_events * 7) / 8; /* XXX need decay for weight too? */ } static bool hists__decay_entry(struct hists *hists, struct hist_entry *he) { u64 prev_period = he->stat.period; + u64 diff; if (prev_period == 0) return true; - hist_entry__decay(he); + he_stat__decay(&he->stat); + if (symbol_conf.cumulate_callchain) + he_stat__decay(he->stat_acc); + + diff = prev_period - he->stat.period; + hists->stats.total_period -= diff; if (!he->filtered) - hists->stats.total_period -= prev_period - he->stat.period; + hists->stats.total_non_filtered_period -= diff; return he->stat.period == 0; } @@ -267,8 +268,11 @@ void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel) if (sort__need_collapse) rb_erase(&n->rb_node_in, &hists->entries_collapsed); - hist_entry__free(n); --hists->nr_entries; + if (!n->filtered) + --hists->nr_non_filtered_entries; + + hist_entry__free(n); } } } @@ -277,25 +281,43 @@ void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel) * histogram, sorted on item, collects periods */ -static struct hist_entry *hist_entry__new(struct hist_entry *template) +static struct hist_entry *hist_entry__new(struct hist_entry *template, + bool sample_self) { - size_t callchain_size = symbol_conf.use_callchain ? sizeof(struct callchain_root) : 0; - struct hist_entry *he = zalloc(sizeof(*he) + callchain_size); + size_t callchain_size = 0; + struct hist_entry *he; + + if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) + callchain_size = sizeof(struct callchain_root); + + he = zalloc(sizeof(*he) + callchain_size); if (he != NULL) { *he = *template; + if (symbol_conf.cumulate_callchain) { + he->stat_acc = malloc(sizeof(he->stat)); + if (he->stat_acc == NULL) { + free(he); + return NULL; + } + memcpy(he->stat_acc, &he->stat, sizeof(he->stat)); + if (!sample_self) + memset(&he->stat, 0, sizeof(he->stat)); + } + if (he->ms.map) he->ms.map->referenced = true; if (he->branch_info) { /* * This branch info is (a part of) allocated from - * machine__resolve_bstack() and will be freed after + * sample__resolve_bstack() and will be freed after * adding new entries. So we need to save a copy. */ he->branch_info = malloc(sizeof(*he->branch_info)); if (he->branch_info == NULL) { + free(he->stat_acc); free(he); return NULL; } @@ -325,15 +347,6 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template) return he; } -void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h) -{ - if (!h->filtered) { - hists__calc_col_len(hists, h); - ++hists->nr_entries; - hists->stats.total_period += h->stat.period; - } -} - static u8 symbol__parent_filter(const struct symbol *parent) { if (symbol_conf.exclude_other && parent == NULL) @@ -342,15 +355,16 @@ static u8 symbol__parent_filter(const struct symbol *parent) } static struct hist_entry *add_hist_entry(struct hists *hists, - struct hist_entry *entry, - struct addr_location *al, - u64 period, - u64 weight) + struct hist_entry *entry, + struct addr_location *al, + bool sample_self) { struct rb_node **p; struct rb_node *parent = NULL; struct hist_entry *he; int64_t cmp; + u64 period = entry->stat.period; + u64 weight = entry->stat.weight; p = &hists->entries_in->rb_node; @@ -367,13 +381,16 @@ static struct hist_entry *add_hist_entry(struct hists *hists, cmp = hist_entry__cmp(he, entry); if (!cmp) { - he_stat__add_period(&he->stat, period, weight); + if (sample_self) + he_stat__add_period(&he->stat, period, weight); + if (symbol_conf.cumulate_callchain) + he_stat__add_period(he->stat_acc, period, weight); /* - * This mem info was allocated from machine__resolve_mem + * This mem info was allocated from sample__resolve_mem * and will not be used anymore. */ - free(entry->mem_info); + zfree(&entry->mem_info); /* If the map of an existing hist_entry has * become out-of-date due to an exec() or @@ -395,15 +412,17 @@ static struct hist_entry *add_hist_entry(struct hists *hists, p = &(*p)->rb_right; } - he = hist_entry__new(entry); + he = hist_entry__new(entry, sample_self); if (!he) return NULL; - hists->nr_entries++; rb_link_node(&he->rb_node_in, parent, p); rb_insert_color(&he->rb_node_in, hists->entries_in); out: - hist_entry__add_cpumode_period(he, al->cpumode, period); + if (sample_self) + he_stat__add_cpumode_period(&he->stat, al->cpumode, period); + if (symbol_conf.cumulate_callchain) + he_stat__add_cpumode_period(he->stat_acc, al->cpumode, period); return he; } @@ -412,7 +431,8 @@ struct hist_entry *__hists__add_entry(struct hists *hists, struct symbol *sym_parent, struct branch_info *bi, struct mem_info *mi, - u64 period, u64 weight, u64 transaction) + u64 period, u64 weight, u64 transaction, + bool sample_self) { struct hist_entry entry = { .thread = al->thread, @@ -421,33 +441,459 @@ struct hist_entry *__hists__add_entry(struct hists *hists, .map = al->map, .sym = al->sym, }, - .cpu = al->cpu, - .ip = al->addr, - .level = al->level, + .cpu = al->cpu, + .cpumode = al->cpumode, + .ip = al->addr, + .level = al->level, .stat = { .nr_events = 1, .period = period, .weight = weight, }, .parent = sym_parent, - .filtered = symbol__parent_filter(sym_parent), + .filtered = symbol__parent_filter(sym_parent) | al->filtered, .hists = hists, .branch_info = bi, .mem_info = mi, .transaction = transaction, }; - return add_hist_entry(hists, &entry, al, period, weight); + return add_hist_entry(hists, &entry, al, sample_self); +} + +static int +iter_next_nop_entry(struct hist_entry_iter *iter __maybe_unused, + struct addr_location *al __maybe_unused) +{ + return 0; +} + +static int +iter_add_next_nop_entry(struct hist_entry_iter *iter __maybe_unused, + struct addr_location *al __maybe_unused) +{ + return 0; +} + +static int +iter_prepare_mem_entry(struct hist_entry_iter *iter, struct addr_location *al) +{ + struct perf_sample *sample = iter->sample; + struct mem_info *mi; + + mi = sample__resolve_mem(sample, al); + if (mi == NULL) + return -ENOMEM; + + iter->priv = mi; + return 0; +} + +static int +iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al) +{ + u64 cost; + struct mem_info *mi = iter->priv; + struct hist_entry *he; + + if (mi == NULL) + return -EINVAL; + + cost = iter->sample->weight; + if (!cost) + cost = 1; + + /* + * must pass period=weight in order to get the correct + * sorting from hists__collapse_resort() which is solely + * based on periods. We want sorting be done on nr_events * weight + * and this is indirectly achieved by passing period=weight here + * and the he_stat__add_period() function. + */ + he = __hists__add_entry(&iter->evsel->hists, al, iter->parent, NULL, mi, + cost, cost, 0, true); + if (!he) + return -ENOMEM; + + iter->he = he; + return 0; +} + +static int +iter_finish_mem_entry(struct hist_entry_iter *iter, + struct addr_location *al __maybe_unused) +{ + struct perf_evsel *evsel = iter->evsel; + struct hist_entry *he = iter->he; + int err = -EINVAL; + + if (he == NULL) + goto out; + + hists__inc_nr_samples(&evsel->hists, he->filtered); + + err = hist_entry__append_callchain(he, iter->sample); + +out: + /* + * We don't need to free iter->priv (mem_info) here since + * the mem info was either already freed in add_hist_entry() or + * passed to a new hist entry by hist_entry__new(). + */ + iter->priv = NULL; + + iter->he = NULL; + return err; +} + +static int +iter_prepare_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) +{ + struct branch_info *bi; + struct perf_sample *sample = iter->sample; + + bi = sample__resolve_bstack(sample, al); + if (!bi) + return -ENOMEM; + + iter->curr = 0; + iter->total = sample->branch_stack->nr; + + iter->priv = bi; + return 0; +} + +static int +iter_add_single_branch_entry(struct hist_entry_iter *iter __maybe_unused, + struct addr_location *al __maybe_unused) +{ + /* to avoid calling callback function */ + iter->he = NULL; + + return 0; +} + +static int +iter_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) +{ + struct branch_info *bi = iter->priv; + int i = iter->curr; + + if (bi == NULL) + return 0; + + if (iter->curr >= iter->total) + return 0; + + al->map = bi[i].to.map; + al->sym = bi[i].to.sym; + al->addr = bi[i].to.addr; + return 1; +} + +static int +iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) +{ + struct branch_info *bi; + struct perf_evsel *evsel = iter->evsel; + struct hist_entry *he = NULL; + int i = iter->curr; + int err = 0; + + bi = iter->priv; + + if (iter->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) + goto out; + + /* + * The report shows the percentage of total branches captured + * and not events sampled. Thus we use a pseudo period of 1. + */ + he = __hists__add_entry(&evsel->hists, al, iter->parent, &bi[i], NULL, + 1, 1, 0, true); + if (he == NULL) + return -ENOMEM; + + hists__inc_nr_samples(&evsel->hists, he->filtered); + +out: + iter->he = he; + iter->curr++; + return err; +} + +static int +iter_finish_branch_entry(struct hist_entry_iter *iter, + struct addr_location *al __maybe_unused) +{ + zfree(&iter->priv); + iter->he = NULL; + + return iter->curr >= iter->total ? 0 : -1; +} + +static int +iter_prepare_normal_entry(struct hist_entry_iter *iter __maybe_unused, + struct addr_location *al __maybe_unused) +{ + return 0; +} + +static int +iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location *al) +{ + struct perf_evsel *evsel = iter->evsel; + struct perf_sample *sample = iter->sample; + struct hist_entry *he; + + he = __hists__add_entry(&evsel->hists, al, iter->parent, NULL, NULL, + sample->period, sample->weight, + sample->transaction, true); + if (he == NULL) + return -ENOMEM; + + iter->he = he; + return 0; +} + +static int +iter_finish_normal_entry(struct hist_entry_iter *iter, + struct addr_location *al __maybe_unused) +{ + struct hist_entry *he = iter->he; + struct perf_evsel *evsel = iter->evsel; + struct perf_sample *sample = iter->sample; + + if (he == NULL) + return 0; + + iter->he = NULL; + + hists__inc_nr_samples(&evsel->hists, he->filtered); + + return hist_entry__append_callchain(he, sample); +} + +static int +iter_prepare_cumulative_entry(struct hist_entry_iter *iter __maybe_unused, + struct addr_location *al __maybe_unused) +{ + struct hist_entry **he_cache; + + callchain_cursor_commit(&callchain_cursor); + + /* + * This is for detecting cycles or recursions so that they're + * cumulated only one time to prevent entries more than 100% + * overhead. + */ + he_cache = malloc(sizeof(*he_cache) * (PERF_MAX_STACK_DEPTH + 1)); + if (he_cache == NULL) + return -ENOMEM; + + iter->priv = he_cache; + iter->curr = 0; + + return 0; +} + +static int +iter_add_single_cumulative_entry(struct hist_entry_iter *iter, + struct addr_location *al) +{ + struct perf_evsel *evsel = iter->evsel; + struct perf_sample *sample = iter->sample; + struct hist_entry **he_cache = iter->priv; + struct hist_entry *he; + int err = 0; + + he = __hists__add_entry(&evsel->hists, al, iter->parent, NULL, NULL, + sample->period, sample->weight, + sample->transaction, true); + if (he == NULL) + return -ENOMEM; + + iter->he = he; + he_cache[iter->curr++] = he; + + callchain_append(he->callchain, &callchain_cursor, sample->period); + + /* + * We need to re-initialize the cursor since callchain_append() + * advanced the cursor to the end. + */ + callchain_cursor_commit(&callchain_cursor); + + hists__inc_nr_samples(&evsel->hists, he->filtered); + + return err; +} + +static int +iter_next_cumulative_entry(struct hist_entry_iter *iter, + struct addr_location *al) +{ + struct callchain_cursor_node *node; + + node = callchain_cursor_current(&callchain_cursor); + if (node == NULL) + return 0; + + return fill_callchain_info(al, node, iter->hide_unresolved); +} + +static int +iter_add_next_cumulative_entry(struct hist_entry_iter *iter, + struct addr_location *al) +{ + struct perf_evsel *evsel = iter->evsel; + struct perf_sample *sample = iter->sample; + struct hist_entry **he_cache = iter->priv; + struct hist_entry *he; + struct hist_entry he_tmp = { + .cpu = al->cpu, + .thread = al->thread, + .comm = thread__comm(al->thread), + .ip = al->addr, + .ms = { + .map = al->map, + .sym = al->sym, + }, + .parent = iter->parent, + }; + int i; + struct callchain_cursor cursor; + + callchain_cursor_snapshot(&cursor, &callchain_cursor); + + callchain_cursor_advance(&callchain_cursor); + + /* + * Check if there's duplicate entries in the callchain. + * It's possible that it has cycles or recursive calls. + */ + for (i = 0; i < iter->curr; i++) { + if (hist_entry__cmp(he_cache[i], &he_tmp) == 0) { + /* to avoid calling callback function */ + iter->he = NULL; + return 0; + } + } + + he = __hists__add_entry(&evsel->hists, al, iter->parent, NULL, NULL, + sample->period, sample->weight, + sample->transaction, false); + if (he == NULL) + return -ENOMEM; + + iter->he = he; + he_cache[iter->curr++] = he; + + callchain_append(he->callchain, &cursor, sample->period); + return 0; +} + +static int +iter_finish_cumulative_entry(struct hist_entry_iter *iter, + struct addr_location *al __maybe_unused) +{ + zfree(&iter->priv); + iter->he = NULL; + + return 0; +} + +const struct hist_iter_ops hist_iter_mem = { + .prepare_entry = iter_prepare_mem_entry, + .add_single_entry = iter_add_single_mem_entry, + .next_entry = iter_next_nop_entry, + .add_next_entry = iter_add_next_nop_entry, + .finish_entry = iter_finish_mem_entry, +}; + +const struct hist_iter_ops hist_iter_branch = { + .prepare_entry = iter_prepare_branch_entry, + .add_single_entry = iter_add_single_branch_entry, + .next_entry = iter_next_branch_entry, + .add_next_entry = iter_add_next_branch_entry, + .finish_entry = iter_finish_branch_entry, +}; + +const struct hist_iter_ops hist_iter_normal = { + .prepare_entry = iter_prepare_normal_entry, + .add_single_entry = iter_add_single_normal_entry, + .next_entry = iter_next_nop_entry, + .add_next_entry = iter_add_next_nop_entry, + .finish_entry = iter_finish_normal_entry, +}; + +const struct hist_iter_ops hist_iter_cumulative = { + .prepare_entry = iter_prepare_cumulative_entry, + .add_single_entry = iter_add_single_cumulative_entry, + .next_entry = iter_next_cumulative_entry, + .add_next_entry = iter_add_next_cumulative_entry, + .finish_entry = iter_finish_cumulative_entry, +}; + +int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al, + struct perf_evsel *evsel, struct perf_sample *sample, + int max_stack_depth, void *arg) +{ + int err, err2; + + err = sample__resolve_callchain(sample, &iter->parent, evsel, al, + max_stack_depth); + if (err) + return err; + + iter->evsel = evsel; + iter->sample = sample; + + err = iter->ops->prepare_entry(iter, al); + if (err) + goto out; + + err = iter->ops->add_single_entry(iter, al); + if (err) + goto out; + + if (iter->he && iter->add_entry_cb) { + err = iter->add_entry_cb(iter, al, true, arg); + if (err) + goto out; + } + + while (iter->ops->next_entry(iter, al)) { + err = iter->ops->add_next_entry(iter, al); + if (err) + break; + + if (iter->he && iter->add_entry_cb) { + err = iter->add_entry_cb(iter, al, false, arg); + if (err) + goto out; + } + } + +out: + err2 = iter->ops->finish_entry(iter, al); + if (!err) + err = err2; + + return err; } int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) { - struct sort_entry *se; + struct perf_hpp_fmt *fmt; int64_t cmp = 0; - list_for_each_entry(se, &hist_entry__sort_list, list) { - cmp = se->se_cmp(left, right); + perf_hpp__for_each_sort_list(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + cmp = fmt->cmp(left, right); if (cmp) break; } @@ -458,15 +904,14 @@ hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) { - struct sort_entry *se; + struct perf_hpp_fmt *fmt; int64_t cmp = 0; - list_for_each_entry(se, &hist_entry__sort_list, list) { - int64_t (*f)(struct hist_entry *, struct hist_entry *); - - f = se->se_collapse ?: se->se_cmp; + perf_hpp__for_each_sort_list(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; - cmp = f(left, right); + cmp = fmt->collapse(left, right); if (cmp) break; } @@ -476,8 +921,9 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) void hist_entry__free(struct hist_entry *he) { - free(he->branch_info); - free(he->mem_info); + zfree(&he->branch_info); + zfree(&he->mem_info); + zfree(&he->stat_acc); free_srcline(he->srcline); free(he); } @@ -503,6 +949,8 @@ static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused, if (!cmp) { he_stat__add_stat(&iter->stat, &he->stat); + if (symbol_conf.cumulate_callchain) + he_stat__add_stat(iter->stat_acc, he->stat_acc); if (symbol_conf.use_callchain) { callchain_cursor_reset(&callchain_cursor); @@ -579,64 +1027,50 @@ void hists__collapse_resort(struct hists *hists, struct ui_progress *prog) } } -/* - * reverse the map, sort on period. - */ - -static int period_cmp(u64 period_a, u64 period_b) -{ - if (period_a > period_b) - return 1; - if (period_a < period_b) - return -1; - return 0; -} - -static int hist_entry__sort_on_period(struct hist_entry *a, - struct hist_entry *b) +static int hist_entry__sort(struct hist_entry *a, struct hist_entry *b) { - int ret; - int i, nr_members; - struct perf_evsel *evsel; - struct hist_entry *pair; - u64 *periods_a, *periods_b; + struct perf_hpp_fmt *fmt; + int64_t cmp = 0; - ret = period_cmp(a->stat.period, b->stat.period); - if (ret || !symbol_conf.event_group) - return ret; + perf_hpp__for_each_sort_list(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; - evsel = hists_to_evsel(a->hists); - nr_members = evsel->nr_members; - if (nr_members <= 1) - return ret; + cmp = fmt->sort(a, b); + if (cmp) + break; + } - periods_a = zalloc(sizeof(periods_a) * nr_members); - periods_b = zalloc(sizeof(periods_b) * nr_members); + return cmp; +} - if (!periods_a || !periods_b) - goto out; +static void hists__reset_filter_stats(struct hists *hists) +{ + hists->nr_non_filtered_entries = 0; + hists->stats.total_non_filtered_period = 0; +} - list_for_each_entry(pair, &a->pairs.head, pairs.node) { - evsel = hists_to_evsel(pair->hists); - periods_a[perf_evsel__group_idx(evsel)] = pair->stat.period; - } +void hists__reset_stats(struct hists *hists) +{ + hists->nr_entries = 0; + hists->stats.total_period = 0; - list_for_each_entry(pair, &b->pairs.head, pairs.node) { - evsel = hists_to_evsel(pair->hists); - periods_b[perf_evsel__group_idx(evsel)] = pair->stat.period; - } + hists__reset_filter_stats(hists); +} - for (i = 1; i < nr_members; i++) { - ret = period_cmp(periods_a[i], periods_b[i]); - if (ret) - break; - } +static void hists__inc_filter_stats(struct hists *hists, struct hist_entry *h) +{ + hists->nr_non_filtered_entries++; + hists->stats.total_non_filtered_period += h->stat.period; +} -out: - free(periods_a); - free(periods_b); +void hists__inc_stats(struct hists *hists, struct hist_entry *h) +{ + if (!h->filtered) + hists__inc_filter_stats(hists, h); - return ret; + hists->nr_entries++; + hists->stats.total_period += h->stat.period; } static void __hists__insert_output_entry(struct rb_root *entries, @@ -655,7 +1089,7 @@ static void __hists__insert_output_entry(struct rb_root *entries, parent = *p; iter = rb_entry(parent, struct hist_entry, rb_node); - if (hist_entry__sort_on_period(he, iter) > 0) + if (hist_entry__sort(he, iter) > 0) p = &(*p)->rb_left; else p = &(*p)->rb_right; @@ -682,8 +1116,7 @@ void hists__output_resort(struct hists *hists) next = rb_first(root); hists->entries = RB_ROOT; - hists->nr_entries = 0; - hists->stats.total_period = 0; + hists__reset_stats(hists); hists__reset_col_len(hists); while (next) { @@ -691,7 +1124,10 @@ void hists__output_resort(struct hists *hists) next = rb_next(&n->rb_node_in); __hists__insert_output_entry(&hists->entries, n, min_callchain_hits); - hists__inc_nr_entries(hists, n); + hists__inc_stats(hists, n); + + if (!n->filtered) + hists__calc_col_len(hists, n); } } @@ -702,13 +1138,13 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h if (h->filtered) return; - ++hists->nr_entries; - if (h->ms.unfolded) - hists->nr_entries += h->nr_rows; + /* force fold unfiltered entry for simplicity */ + h->ms.unfolded = false; h->row_offset = 0; - hists->stats.total_period += h->stat.period; - hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->stat.nr_events; + hists->stats.nr_non_filtered_samples += h->stat.nr_events; + + hists__inc_filter_stats(hists, h); hists__calc_col_len(hists, h); } @@ -729,8 +1165,9 @@ void hists__filter_by_dso(struct hists *hists) { struct rb_node *nd; - hists->nr_entries = hists->stats.total_period = 0; - hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0; + hists->stats.nr_non_filtered_samples = 0; + + hists__reset_filter_stats(hists); hists__reset_col_len(hists); for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { @@ -762,8 +1199,9 @@ void hists__filter_by_thread(struct hists *hists) { struct rb_node *nd; - hists->nr_entries = hists->stats.total_period = 0; - hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0; + hists->stats.nr_non_filtered_samples = 0; + + hists__reset_filter_stats(hists); hists__reset_col_len(hists); for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { @@ -793,8 +1231,9 @@ void hists__filter_by_symbol(struct hists *hists) { struct rb_node *nd; - hists->nr_entries = hists->stats.total_period = 0; - hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0; + hists->stats.nr_non_filtered_samples = 0; + + hists__reset_filter_stats(hists); hists__reset_col_len(hists); for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { @@ -807,16 +1246,6 @@ void hists__filter_by_symbol(struct hists *hists) } } -int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) -{ - return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); -} - -int hist_entry__annotate(struct hist_entry *he, size_t privsize) -{ - return symbol__annotate(he->ms.sym, he->ms.map, privsize); -} - void events_stats__inc(struct events_stats *stats, u32 type) { ++stats->nr_events[0]; @@ -828,6 +1257,13 @@ void hists__inc_nr_events(struct hists *hists, u32 type) events_stats__inc(&hists->stats, type); } +void hists__inc_nr_samples(struct hists *hists, bool filtered) +{ + events_stats__inc(&hists->stats, PERF_RECORD_SAMPLE); + if (!filtered) + hists->stats.nr_non_filtered_samples++; +} + static struct hist_entry *hists__add_dummy_entry(struct hists *hists, struct hist_entry *pair) { @@ -859,13 +1295,13 @@ static struct hist_entry *hists__add_dummy_entry(struct hists *hists, p = &(*p)->rb_right; } - he = hist_entry__new(pair); + he = hist_entry__new(pair, true); if (he) { memset(&he->stat, 0, sizeof(he->stat)); he->hists = hists; rb_link_node(&he->rb_node_in, parent, p); rb_insert_color(&he->rb_node_in, root); - hists__inc_nr_entries(hists, he); + hists__inc_stats(hists, he); he->dummy = true; } out: @@ -949,3 +1385,30 @@ int hists__link(struct hists *leader, struct hists *other) return 0; } + +u64 hists__total_period(struct hists *hists) +{ + return symbol_conf.filter_relative ? hists->stats.total_non_filtered_period : + hists->stats.total_period; +} + +int parse_filter_percentage(const struct option *opt __maybe_unused, + const char *arg, int unset __maybe_unused) +{ + if (!strcmp(arg, "relative")) + symbol_conf.filter_relative = true; + else if (!strcmp(arg, "absolute")) + symbol_conf.filter_relative = false; + else + return -1; + + return 0; +} + +int perf_hist_config(const char *var, const char *value) +{ + if (!strcmp(var, "hist.percentage")) + return parse_filter_percentage(NULL, value, 0); + + return 0; +} diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index b621347a158..742f49a8572 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -14,6 +14,15 @@ struct hist_entry; struct addr_location; struct symbol; +enum hist_filter { + HIST_FILTER__DSO, + HIST_FILTER__THREAD, + HIST_FILTER__PARENT, + HIST_FILTER__SYMBOL, + HIST_FILTER__GUEST, + HIST_FILTER__HOST, +}; + /* * The kernel collects the number of events it couldn't send in a stretch and * when possible sends this number in a PERF_RECORD_LOST event. The number of @@ -28,9 +37,11 @@ struct symbol; */ struct events_stats { u64 total_period; + u64 total_non_filtered_period; u64 total_lost; u64 total_invalid_chains; u32 nr_events[PERF_RECORD_HEADER_MAX]; + u32 nr_non_filtered_samples; u32 nr_lost_warned; u32 nr_unknown_events; u32 nr_invalid_chains; @@ -61,6 +72,7 @@ enum hist_column { HISTC_MEM_TLB, HISTC_MEM_LVL, HISTC_MEM_SNOOP, + HISTC_MEM_DCACHELINE, HISTC_TRANSACTION, HISTC_NR_COLS, /* Last entry */ }; @@ -74,6 +86,7 @@ struct hists { struct rb_root entries; struct rb_root entries_collapsed; u64 nr_entries; + u64 nr_non_filtered_entries; const struct thread *thread_filter; const struct dso *dso_filter; const char *uid_filter_str; @@ -84,12 +97,50 @@ struct hists { u16 col_len[HISTC_NR_COLS]; }; +struct hist_entry_iter; + +struct hist_iter_ops { + int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *); + int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *); + int (*next_entry)(struct hist_entry_iter *, struct addr_location *); + int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *); + int (*finish_entry)(struct hist_entry_iter *, struct addr_location *); +}; + +struct hist_entry_iter { + int total; + int curr; + + bool hide_unresolved; + + struct perf_evsel *evsel; + struct perf_sample *sample; + struct hist_entry *he; + struct symbol *parent; + void *priv; + + const struct hist_iter_ops *ops; + /* user-defined callback function (optional) */ + int (*add_entry_cb)(struct hist_entry_iter *iter, + struct addr_location *al, bool single, void *arg); +}; + +extern const struct hist_iter_ops hist_iter_normal; +extern const struct hist_iter_ops hist_iter_branch; +extern const struct hist_iter_ops hist_iter_mem; +extern const struct hist_iter_ops hist_iter_cumulative; + struct hist_entry *__hists__add_entry(struct hists *hists, struct addr_location *al, struct symbol *parent, struct branch_info *bi, struct mem_info *mi, u64 period, - u64 weight, u64 transaction); + u64 weight, u64 transaction, + bool sample_self); +int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al, + struct perf_evsel *evsel, struct perf_sample *sample, + int max_stack_depth, void *arg); + int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); int hist_entry__transaction_len(void); @@ -103,21 +154,27 @@ void hists__collapse_resort(struct hists *hists, struct ui_progress *prog); void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); void hists__output_recalc_col_len(struct hists *hists, int max_rows); -void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h); +u64 hists__total_period(struct hists *hists); +void hists__reset_stats(struct hists *hists); +void hists__inc_stats(struct hists *hists, struct hist_entry *h); void hists__inc_nr_events(struct hists *hists, u32 type); +void hists__inc_nr_samples(struct hists *hists, bool filtered); void events_stats__inc(struct events_stats *stats, u32 type); size_t events_stats__fprintf(struct events_stats *stats, FILE *fp); size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, int max_cols, float min_pcnt, FILE *fp); -int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr); -int hist_entry__annotate(struct hist_entry *he, size_t privsize); - void hists__filter_by_dso(struct hists *hists); void hists__filter_by_thread(struct hists *hists); void hists__filter_by_symbol(struct hists *hists); +static inline bool hists__has_filter(struct hists *hists) +{ + return hists->thread_filter || hists->dso_filter || + hists->symbol_filter_str; +} + u16 hists__col_len(struct hists *hists, enum hist_column col); void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len); bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len); @@ -135,21 +192,38 @@ struct perf_hpp { }; struct perf_hpp_fmt { - int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp); - int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp); + int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct perf_evsel *evsel); + int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct perf_evsel *evsel); int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he); int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he); + int64_t (*cmp)(struct hist_entry *a, struct hist_entry *b); + int64_t (*collapse)(struct hist_entry *a, struct hist_entry *b); + int64_t (*sort)(struct hist_entry *a, struct hist_entry *b); struct list_head list; + struct list_head sort_list; + bool elide; }; extern struct list_head perf_hpp__list; +extern struct list_head perf_hpp__sort_list; #define perf_hpp__for_each_format(format) \ list_for_each_entry(format, &perf_hpp__list, list) +#define perf_hpp__for_each_format_safe(format, tmp) \ + list_for_each_entry_safe(format, tmp, &perf_hpp__list, list) + +#define perf_hpp__for_each_sort_list(format) \ + list_for_each_entry(format, &perf_hpp__sort_list, sort_list) + +#define perf_hpp__for_each_sort_list_safe(format, tmp) \ + list_for_each_entry_safe(format, tmp, &perf_hpp__sort_list, sort_list) + extern struct perf_hpp_fmt perf_hpp__format[]; enum { @@ -159,6 +233,7 @@ enum { PERF_HPP__OVERHEAD_US, PERF_HPP__OVERHEAD_GUEST_SYS, PERF_HPP__OVERHEAD_GUEST_US, + PERF_HPP__OVERHEAD_ACC, PERF_HPP__SAMPLES, PERF_HPP__PERIOD, @@ -167,7 +242,42 @@ enum { void perf_hpp__init(void); void perf_hpp__column_register(struct perf_hpp_fmt *format); +void perf_hpp__column_unregister(struct perf_hpp_fmt *format); void perf_hpp__column_enable(unsigned col); +void perf_hpp__column_disable(unsigned col); +void perf_hpp__cancel_cumulate(void); + +void perf_hpp__register_sort_field(struct perf_hpp_fmt *format); +void perf_hpp__setup_output_field(void); +void perf_hpp__reset_output_field(void); +void perf_hpp__append_sort_keys(void); + +bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format); +bool perf_hpp__same_sort_entry(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b); + +static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format) +{ + return format->elide; +} + +void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists); + +typedef u64 (*hpp_field_fn)(struct hist_entry *he); +typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front); +typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...); + +int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, + hpp_field_fn get_field, const char *fmt, + hpp_snprint_fn print_fn, bool fmt_percent); +int __hpp__fmt_acc(struct perf_hpp *hpp, struct hist_entry *he, + hpp_field_fn get_field, const char *fmt, + hpp_snprint_fn print_fn, bool fmt_percent); + +static inline void advance_hpp(struct perf_hpp *hpp, int inc) +{ + hpp->buf += inc; + hpp->size -= inc; +} static inline size_t perf_hpp__use_color(void) { @@ -228,4 +338,10 @@ static inline int script_browse(const char *script_opt __maybe_unused) #endif unsigned int hists__sort_list_width(struct hists *hists); + +struct option; +int parse_filter_percentage(const struct option *opt __maybe_unused, + const char *arg, int unset __maybe_unused); +int perf_hist_config(const char *var, const char *value); + #endif /* __PERF_HIST_H */ diff --git a/tools/perf/util/include/asm/hash.h b/tools/perf/util/include/asm/hash.h new file mode 100644 index 00000000000..d82b170bb21 --- /dev/null +++ b/tools/perf/util/include/asm/hash.h @@ -0,0 +1,6 @@ +#ifndef __ASM_GENERIC_HASH_H +#define __ASM_GENERIC_HASH_H + +/* Stub */ + +#endif /* __ASM_GENERIC_HASH_H */ diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h index bb162e40c76..01ffd12dc79 100644 --- a/tools/perf/util/include/linux/bitmap.h +++ b/tools/perf/util/include/linux/bitmap.h @@ -4,6 +4,9 @@ #include <string.h> #include <linux/bitops.h> +#define DECLARE_BITMAP(name,bits) \ + unsigned long name[BITS_TO_LONGS(bits)] + int __bitmap_weight(const unsigned long *bitmap, int bits); void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, const unsigned long *bitmap2, int bits); diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h index 45cf10a562b..dadfa7e5428 100644 --- a/tools/perf/util/include/linux/bitops.h +++ b/tools/perf/util/include/linux/bitops.h @@ -87,13 +87,15 @@ static __always_inline unsigned long __ffs(unsigned long word) return num; } +typedef const unsigned long __attribute__((__may_alias__)) long_alias_t; + /* * Find the first set bit in a memory region. */ static inline unsigned long find_first_bit(const unsigned long *addr, unsigned long size) { - const unsigned long *p = addr; + long_alias_t *p = (long_alias_t *) addr; unsigned long result = 0; unsigned long tmp; diff --git a/tools/perf/util/include/linux/export.h b/tools/perf/util/include/linux/export.h deleted file mode 100644 index b43e2dc21e0..00000000000 --- a/tools/perf/util/include/linux/export.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef PERF_LINUX_MODULE_H -#define PERF_LINUX_MODULE_H - -#define EXPORT_SYMBOL(name) - -#endif diff --git a/tools/perf/util/include/linux/hash.h b/tools/perf/util/include/linux/hash.h deleted file mode 100644 index 201f5739799..00000000000 --- a/tools/perf/util/include/linux/hash.h +++ /dev/null @@ -1,5 +0,0 @@ -#include "../../../../include/linux/hash.h" - -#ifndef PERF_HASH_H -#define PERF_HASH_H -#endif diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h index d8c927c868e..9844c31b7c2 100644 --- a/tools/perf/util/include/linux/kernel.h +++ b/tools/perf/util/include/linux/kernel.h @@ -94,12 +94,6 @@ static inline int scnprintf(char * buf, size_t size, const char * fmt, ...) return (i >= ssize) ? (ssize - 1) : i; } -static inline unsigned long -simple_strtoul(const char *nptr, char **endptr, int base) -{ - return strtoul(nptr, endptr, base); -} - int eprintf(int level, const char *fmt, ...) __attribute__((format(printf, 2, 3))); diff --git a/tools/perf/util/include/linux/list.h b/tools/perf/util/include/linux/list.h index 1d928a0ce99..76ddbc72634 100644 --- a/tools/perf/util/include/linux/list.h +++ b/tools/perf/util/include/linux/list.h @@ -1,5 +1,5 @@ #include <linux/kernel.h> -#include <linux/prefetch.h> +#include <linux/types.h> #include "../../../../include/linux/list.h" diff --git a/tools/perf/util/include/linux/prefetch.h b/tools/perf/util/include/linux/prefetch.h deleted file mode 100644 index 7841e485d8c..00000000000 --- a/tools/perf/util/include/linux/prefetch.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef PERF_LINUX_PREFETCH_H -#define PERF_LINUX_PREFETCH_H - -static inline void prefetch(void *a __attribute__((unused))) { } - -#endif diff --git a/tools/perf/util/include/linux/types.h b/tools/perf/util/include/linux/types.h deleted file mode 100644 index eb464786c08..00000000000 --- a/tools/perf/util/include/linux/types.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef _PERF_LINUX_TYPES_H_ -#define _PERF_LINUX_TYPES_H_ - -#include <asm/types.h> - -#ifndef __bitwise -#define __bitwise -#endif - -#ifndef __le32 -typedef __u32 __bitwise __le32; -#endif - -#define DECLARE_BITMAP(name,bits) \ - unsigned long name[BITS_TO_LONGS(bits)] - -struct list_head { - struct list_head *next, *prev; -}; - -struct hlist_head { - struct hlist_node *first; -}; - -struct hlist_node { - struct hlist_node *next, **pprev; -}; - -#endif diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 84cdb072ac8..c73e1fc12e5 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -9,6 +9,7 @@ #include "strlist.h" #include "thread.h" #include <stdbool.h> +#include <symbol/kallsyms.h> #include "unwind.h" int machine__init(struct machine *machine, const char *root_dir, pid_t pid) @@ -26,6 +27,7 @@ int machine__init(struct machine *machine, const char *root_dir, pid_t pid) machine->pid = pid; machine->symbol_filter = NULL; + machine->id_hdr_size = 0; machine->root_dir = strdup(root_dir); if (machine->root_dir == NULL) @@ -101,8 +103,7 @@ void machine__exit(struct machine *machine) map_groups__exit(&machine->kmaps); dsos__delete(&machine->user_dsos); dsos__delete(&machine->kernel_dsos); - free(machine->root_dir); - machine->root_dir = NULL; + zfree(&machine->root_dir); } void machine__delete(struct machine *machine) @@ -315,6 +316,17 @@ static struct thread *__machine__findnew_thread(struct machine *machine, rb_link_node(&th->rb_node, parent, p); rb_insert_color(&th->rb_node, &machine->threads); machine->last_match = th; + + /* + * We have to initialize map_groups separately + * after rb tree is updated. + * + * The reason is that we call machine__findnew_thread + * within thread__init_map_groups to find the thread + * leader and that would screwed the rb tree. + */ + if (thread__init_map_groups(th, machine)) + return NULL; } return th; @@ -326,9 +338,10 @@ struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, return __machine__findnew_thread(machine, pid, tid, true); } -struct thread *machine__find_thread(struct machine *machine, pid_t tid) +struct thread *machine__find_thread(struct machine *machine, pid_t pid, + pid_t tid) { - return __machine__findnew_thread(machine, 0, tid, false); + return __machine__findnew_thread(machine, pid, tid, false); } int machine__process_comm_event(struct machine *machine, union perf_event *event, @@ -483,49 +496,50 @@ struct process_args { u64 start; }; -static int symbol__in_kernel(void *arg, const char *name, - char type __maybe_unused, u64 start) +static void machine__get_kallsyms_filename(struct machine *machine, char *buf, + size_t bufsz) { - struct process_args *args = arg; - - if (strchr(name, '[')) - return 0; - - args->start = start; - return 1; + if (machine__is_default_guest(machine)) + scnprintf(buf, bufsz, "%s", symbol_conf.default_guest_kallsyms); + else + scnprintf(buf, bufsz, "%s/proc/kallsyms", machine->root_dir); } -/* Figure out the start address of kernel map from /proc/kallsyms */ -static u64 machine__get_kernel_start_addr(struct machine *machine) +const char *ref_reloc_sym_names[] = {"_text", "_stext", NULL}; + +/* Figure out the start address of kernel map from /proc/kallsyms. + * Returns the name of the start symbol in *symbol_name. Pass in NULL as + * symbol_name if it's not that important. + */ +static u64 machine__get_kernel_start_addr(struct machine *machine, + const char **symbol_name) { - const char *filename; - char path[PATH_MAX]; - struct process_args args; + char filename[PATH_MAX]; + int i; + const char *name; + u64 addr = 0; - if (machine__is_host(machine)) { - filename = "/proc/kallsyms"; - } else { - if (machine__is_default_guest(machine)) - filename = (char *)symbol_conf.default_guest_kallsyms; - else { - sprintf(path, "%s/proc/kallsyms", machine->root_dir); - filename = path; - } - } + machine__get_kallsyms_filename(machine, filename, PATH_MAX); if (symbol__restricted_filename(filename, "/proc/kallsyms")) return 0; - if (kallsyms__parse(filename, &args, symbol__in_kernel) <= 0) - return 0; + for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) { + addr = kallsyms__get_function_start(filename, name); + if (addr) + break; + } - return args.start; + if (symbol_name) + *symbol_name = name; + + return addr; } int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel) { enum map_type type; - u64 start = machine__get_kernel_start_addr(machine); + u64 start = machine__get_kernel_start_addr(machine, NULL); for (type = 0; type < MAP__NR_TYPES; ++type) { struct kmap *kmap; @@ -565,11 +579,10 @@ void machine__destroy_kernel_maps(struct machine *machine) * on one of them. */ if (type == MAP__FUNCTION) { - free((char *)kmap->ref_reloc_sym->name); - kmap->ref_reloc_sym->name = NULL; - free(kmap->ref_reloc_sym); - } - kmap->ref_reloc_sym = NULL; + zfree((char **)&kmap->ref_reloc_sym->name); + zfree(&kmap->ref_reloc_sym); + } else + kmap->ref_reloc_sym = NULL; } map__delete(machine->vmlinux_maps[type]); @@ -717,7 +730,7 @@ static char *get_kernel_version(const char *root_dir) } static int map_groups__set_modules_path_dir(struct map_groups *mg, - const char *dir_name) + const char *dir_name, int depth) { struct dirent *dent; DIR *dir = opendir(dir_name); @@ -742,7 +755,15 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg, !strcmp(dent->d_name, "..")) continue; - ret = map_groups__set_modules_path_dir(mg, path); + /* Do not follow top-level source and build symlinks */ + if (depth == 0) { + if (!strcmp(dent->d_name, "source") || + !strcmp(dent->d_name, "build")) + continue; + } + + ret = map_groups__set_modules_path_dir(mg, path, + depth + 1); if (ret < 0) goto out; } else { @@ -767,8 +788,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg, ret = -1; goto out; } - dso__set_long_name(map->dso, long_name); - map->dso->lname_alloc = 1; + dso__set_long_name(map->dso, long_name, true); dso__kernel_module_get_build_id(map->dso, ""); } } @@ -787,11 +807,11 @@ static int machine__set_modules_path(struct machine *machine) if (!version) return -1; - snprintf(modules_path, sizeof(modules_path), "%s/lib/modules/%s/kernel", + snprintf(modules_path, sizeof(modules_path), "%s/lib/modules/%s", machine->root_dir, version); free(version); - return map_groups__set_modules_path_dir(&machine->kmaps, modules_path); + return map_groups__set_modules_path_dir(&machine->kmaps, modules_path, 0); } static int machine__create_module(void *arg, const char *name, u64 start) @@ -837,6 +857,10 @@ static int machine__create_modules(struct machine *machine) int machine__create_kernel_maps(struct machine *machine) { struct dso *kernel = machine__get_kernel(machine); + const char *name; + u64 addr = machine__get_kernel_start_addr(machine, &name); + if (!addr) + return -1; if (kernel == NULL || __machine__create_kernel_maps(machine, kernel) < 0) @@ -855,6 +879,13 @@ int machine__create_kernel_maps(struct machine *machine) * Now that we have all the maps created, just set the ->end of them: */ map_groups__fixup_end(&machine->kmaps); + + if (maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, name, + addr)) { + machine__destroy_kernel_maps(machine); + return -1; + } + return 0; } @@ -939,8 +970,7 @@ static int machine__process_kernel_mmap_event(struct machine *machine, if (name == NULL) goto out_problem; - map->dso->short_name = name; - map->dso->sname_alloc = 1; + dso__set_short_name(map->dso, name, true); map->end = map->start + event->mmap.len; } else if (is_kernel_mmap) { const char *symbol_name = (event->mmap.filename + @@ -1006,7 +1036,7 @@ int machine__process_mmap2_event(struct machine *machine, } thread = machine__findnew_thread(machine, event->mmap2.pid, - event->mmap2.pid); + event->mmap2.tid); if (thread == NULL) goto out_problem; @@ -1020,6 +1050,8 @@ int machine__process_mmap2_event(struct machine *machine, event->mmap2.pid, event->mmap2.maj, event->mmap2.min, event->mmap2.ino, event->mmap2.ino_generation, + event->mmap2.prot, + event->mmap2.flags, event->mmap2.filename, type); if (map == NULL) @@ -1054,7 +1086,7 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event } thread = machine__findnew_thread(machine, event->mmap.pid, - event->mmap.pid); + event->mmap.tid); if (thread == NULL) goto out_problem; @@ -1065,7 +1097,7 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event map = map__new(&machine->user_dsos, event->mmap.start, event->mmap.len, event->mmap.pgoff, - event->mmap.pid, 0, 0, 0, 0, + event->mmap.pid, 0, 0, 0, 0, 0, 0, event->mmap.filename, type); @@ -1094,7 +1126,9 @@ static void machine__remove_thread(struct machine *machine, struct thread *th) int machine__process_fork_event(struct machine *machine, union perf_event *event, struct perf_sample *sample) { - struct thread *thread = machine__find_thread(machine, event->fork.tid); + struct thread *thread = machine__find_thread(machine, + event->fork.pid, + event->fork.tid); struct thread *parent = machine__findnew_thread(machine, event->fork.ppid, event->fork.ptid); @@ -1120,7 +1154,9 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event int machine__process_exit_event(struct machine *machine, union perf_event *event, struct perf_sample *sample __maybe_unused) { - struct thread *thread = machine__find_thread(machine, event->fork.tid); + struct thread *thread = machine__find_thread(machine, + event->fork.pid, + event->fork.tid); if (dump_trace) perf_event__fprintf_task(event, stdout); @@ -1164,39 +1200,22 @@ static bool symbol__match_regex(struct symbol *sym, regex_t *regex) return 0; } -static const u8 cpumodes[] = { - PERF_RECORD_MISC_USER, - PERF_RECORD_MISC_KERNEL, - PERF_RECORD_MISC_GUEST_USER, - PERF_RECORD_MISC_GUEST_KERNEL -}; -#define NCPUMODES (sizeof(cpumodes)/sizeof(u8)) - static void ip__resolve_ams(struct machine *machine, struct thread *thread, struct addr_map_symbol *ams, u64 ip) { struct addr_location al; - size_t i; - u8 m; memset(&al, 0, sizeof(al)); + /* + * We cannot use the header.misc hint to determine whether a + * branch stack address is user, kernel, guest, hypervisor. + * Branches may straddle the kernel/user/hypervisor boundaries. + * Thus, we have to try consecutively until we find a match + * or else, the symbol is unknown + */ + thread__find_cpumode_addr_location(thread, machine, MAP__FUNCTION, ip, &al); - for (i = 0; i < NCPUMODES; i++) { - m = cpumodes[i]; - /* - * We cannot use the header.misc hint to determine whether a - * branch stack address is user, kernel, guest, hypervisor. - * Branches may straddle the kernel/user/hypervisor boundaries. - * Thus, we have to try consecutively until we find a match - * or else, the symbol is unknown - */ - thread__find_addr_location(thread, machine, m, MAP__FUNCTION, - ip, &al); - if (al.sym) - goto found; - } -found: ams->addr = ip; ams->al_addr = al.addr; ams->sym = al.sym; @@ -1218,37 +1237,35 @@ static void ip__resolve_data(struct machine *machine, struct thread *thread, ams->map = al.map; } -struct mem_info *machine__resolve_mem(struct machine *machine, - struct thread *thr, - struct perf_sample *sample, - u8 cpumode) +struct mem_info *sample__resolve_mem(struct perf_sample *sample, + struct addr_location *al) { struct mem_info *mi = zalloc(sizeof(*mi)); if (!mi) return NULL; - ip__resolve_ams(machine, thr, &mi->iaddr, sample->ip); - ip__resolve_data(machine, thr, cpumode, &mi->daddr, sample->addr); + ip__resolve_ams(al->machine, al->thread, &mi->iaddr, sample->ip); + ip__resolve_data(al->machine, al->thread, al->cpumode, + &mi->daddr, sample->addr); mi->data_src.val = sample->data_src; return mi; } -struct branch_info *machine__resolve_bstack(struct machine *machine, - struct thread *thr, - struct branch_stack *bs) +struct branch_info *sample__resolve_bstack(struct perf_sample *sample, + struct addr_location *al) { - struct branch_info *bi; unsigned int i; + const struct branch_stack *bs = sample->branch_stack; + struct branch_info *bi = calloc(bs->nr, sizeof(struct branch_info)); - bi = calloc(bs->nr, sizeof(struct branch_info)); if (!bi) return NULL; for (i = 0; i < bs->nr; i++) { - ip__resolve_ams(machine, thr, &bi[i].to, bs->entries[i].to); - ip__resolve_ams(machine, thr, &bi[i].from, bs->entries[i].from); + ip__resolve_ams(al->machine, al->thread, &bi[i].to, bs->entries[i].to); + ip__resolve_ams(al->machine, al->thread, &bi[i].from, bs->entries[i].from); bi[i].flags = bs->entries[i].flags; } return bi; @@ -1306,7 +1323,7 @@ static int machine__resolve_callchain_sample(struct machine *machine, continue; } - al.filtered = false; + al.filtered = 0; thread__find_addr_location(thread, machine, cpumode, MAP__FUNCTION, ip, &al); if (al.sym != NULL) { @@ -1320,8 +1337,6 @@ static int machine__resolve_callchain_sample(struct machine *machine, *root_al = al; callchain_cursor_reset(&callchain_cursor); } - if (!symbol_conf.use_callchain) - break; } err = callchain_cursor_append(&callchain_cursor, @@ -1367,8 +1382,7 @@ int machine__resolve_callchain(struct machine *machine, return 0; return unwind__get_entries(unwind_entry, &callchain_cursor, machine, - thread, evsel->attr.sample_regs_user, - sample, max_stack); + thread, sample, max_stack); } diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index 47713301544..c8c74a11939 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -18,6 +18,8 @@ union perf_event; #define HOST_KERNEL_ID (-1) #define DEFAULT_GUEST_KERNEL_ID (0) +extern const char *ref_reloc_sym_names[]; + struct machine { struct rb_node rb_node; pid_t pid; @@ -39,7 +41,8 @@ struct map *machine__kernel_map(struct machine *machine, enum map_type type) return machine->vmlinux_maps[type]; } -struct thread *machine__find_thread(struct machine *machine, pid_t tid); +struct thread *machine__find_thread(struct machine *machine, pid_t pid, + pid_t tid); int machine__process_comm_event(struct machine *machine, union perf_event *event, struct perf_sample *sample); @@ -89,12 +92,10 @@ void machine__delete_dead_threads(struct machine *machine); void machine__delete_threads(struct machine *machine); void machine__delete(struct machine *machine); -struct branch_info *machine__resolve_bstack(struct machine *machine, - struct thread *thread, - struct branch_stack *bs); -struct mem_info *machine__resolve_mem(struct machine *machine, - struct thread *thread, - struct perf_sample *sample, u8 cpumode); +struct branch_info *sample__resolve_bstack(struct perf_sample *sample, + struct addr_location *al); +struct mem_info *sample__resolve_mem(struct perf_sample *sample, + struct addr_location *al); int machine__resolve_callchain(struct machine *machine, struct perf_evsel *evsel, struct thread *thread, diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index ef5bc913ca7..25c571f4cba 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -11,6 +11,7 @@ #include "strlist.h" #include "vdso.h" #include "build-id.h" +#include "util.h" #include <linux/string.h> const char *map_type__name[MAP__NR_TYPES] = { @@ -31,6 +32,93 @@ static inline int is_no_dso_memory(const char *filename) !strcmp(filename, "[heap]"); } +static inline int is_android_lib(const char *filename) +{ + return !strncmp(filename, "/data/app-lib", 13) || + !strncmp(filename, "/system/lib", 11); +} + +static inline bool replace_android_lib(const char *filename, char *newfilename) +{ + const char *libname; + char *app_abi; + size_t app_abi_length, new_length; + size_t lib_length = 0; + + libname = strrchr(filename, '/'); + if (libname) + lib_length = strlen(libname); + + app_abi = getenv("APP_ABI"); + if (!app_abi) + return false; + + app_abi_length = strlen(app_abi); + + if (!strncmp(filename, "/data/app-lib", 13)) { + char *apk_path; + + if (!app_abi_length) + return false; + + new_length = 7 + app_abi_length + lib_length; + + apk_path = getenv("APK_PATH"); + if (apk_path) { + new_length += strlen(apk_path) + 1; + if (new_length > PATH_MAX) + return false; + snprintf(newfilename, new_length, + "%s/libs/%s/%s", apk_path, app_abi, libname); + } else { + if (new_length > PATH_MAX) + return false; + snprintf(newfilename, new_length, + "libs/%s/%s", app_abi, libname); + } + return true; + } + + if (!strncmp(filename, "/system/lib/", 11)) { + char *ndk, *app; + const char *arch; + size_t ndk_length; + size_t app_length; + + ndk = getenv("NDK_ROOT"); + app = getenv("APP_PLATFORM"); + + if (!(ndk && app)) + return false; + + ndk_length = strlen(ndk); + app_length = strlen(app); + + if (!(ndk_length && app_length && app_abi_length)) + return false; + + arch = !strncmp(app_abi, "arm", 3) ? "arm" : + !strncmp(app_abi, "mips", 4) ? "mips" : + !strncmp(app_abi, "x86", 3) ? "x86" : NULL; + + if (!arch) + return false; + + new_length = 27 + ndk_length + + app_length + lib_length + + strlen(arch); + + if (new_length > PATH_MAX) + return false; + snprintf(newfilename, new_length, + "%s/platforms/%s/arch-%s/usr/lib/%s", + ndk, app, arch, libname); + + return true; + } + return false; +} + void map__init(struct map *map, enum map_type type, u64 start, u64 end, u64 pgoff, struct dso *dso) { @@ -38,6 +126,7 @@ void map__init(struct map *map, enum map_type type, map->start = start; map->end = end; map->pgoff = pgoff; + map->reloc = 0; map->dso = dso; map->map_ip = map__map_ip; map->unmap_ip = map__unmap_ip; @@ -49,7 +138,7 @@ void map__init(struct map *map, enum map_type type, struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino, - u64 ino_gen, char *filename, + u64 ino_gen, u32 prot, u32 flags, char *filename, enum map_type type) { struct map *map = malloc(sizeof(*map)); @@ -57,8 +146,9 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, if (map != NULL) { char newfilename[PATH_MAX]; struct dso *dso; - int anon, no_dso, vdso; + int anon, no_dso, vdso, android; + android = is_android_lib(filename); anon = is_anon_memory(filename); vdso = is_vdso_map(filename); no_dso = is_no_dso_memory(filename); @@ -67,12 +157,19 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, map->min = d_min; map->ino = ino; map->ino_generation = ino_gen; + map->prot = prot; + map->flags = flags; - if (anon) { + if ((anon || no_dso) && type == MAP__FUNCTION) { snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", pid); filename = newfilename; } + if (android) { + if (replace_android_lib(filename, newfilename)) + filename = newfilename; + } + if (vdso) { pgoff = 0; dso = vdso__dso_findnew(dsos__list); @@ -92,7 +189,7 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, * functions still return NULL, and we avoid the * unnecessary map__load warning. */ - if (no_dso) + if (type != MAP__FUNCTION) dso__set_loaded(dso, map->type); } } @@ -252,6 +349,22 @@ size_t map__fprintf_dsoname(struct map *map, FILE *fp) return fprintf(fp, "%s", dsoname); } +int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix, + FILE *fp) +{ + char *srcline; + int ret = 0; + + if (map && map->dso) { + srcline = get_srcline(map->dso, + map__rip_2objdump(map, addr)); + if (srcline != SRCLINE_UNKNOWN) + ret = fprintf(fp, "%s%s", prefix, srcline); + free_srcline(srcline); + } + return ret; +} + /** * map__rip_2objdump - convert symbol start address to objdump address. * @map: memory map @@ -271,7 +384,7 @@ u64 map__rip_2objdump(struct map *map, u64 rip) if (map->dso->rel) return rip - map->pgoff; - return map->unmap_ip(map, rip); + return map->unmap_ip(map, rip) - map->reloc; } /** @@ -294,7 +407,7 @@ u64 map__objdump_2mem(struct map *map, u64 ip) if (map->dso->rel) return map->unmap_ip(map, ip + map->pgoff); - return ip; + return ip + map->reloc; } void map_groups__init(struct map_groups *mg) @@ -305,6 +418,7 @@ void map_groups__init(struct map_groups *mg) INIT_LIST_HEAD(&mg->removed_maps[i]); } mg->machine = NULL; + mg->refcnt = 1; } static void maps__delete(struct rb_root *maps) @@ -340,6 +454,28 @@ void map_groups__exit(struct map_groups *mg) } } +struct map_groups *map_groups__new(void) +{ + struct map_groups *mg = malloc(sizeof(*mg)); + + if (mg != NULL) + map_groups__init(mg); + + return mg; +} + +void map_groups__delete(struct map_groups *mg) +{ + map_groups__exit(mg); + free(mg); +} + +void map_groups__put(struct map_groups *mg) +{ + if (--mg->refcnt == 0) + map_groups__delete(mg); +} + void map_groups__flush(struct map_groups *mg) { int type; @@ -369,7 +505,8 @@ struct symbol *map_groups__find_symbol(struct map_groups *mg, { struct map *map = map_groups__find(mg, type, addr); - if (map != NULL) { + /* Ensure map is loaded before using map->map_ip */ + if (map != NULL && map__load(map, filter) >= 0) { if (mapp != NULL) *mapp = map; return map__find_symbol(map, map->map_ip(map, addr), filter); diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index e4e259c3ba1..7758c72522e 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -6,7 +6,7 @@ #include <linux/rbtree.h> #include <stdio.h> #include <stdbool.h> -#include "types.h" +#include <linux/types.h> enum map_type { MAP__FUNCTION = 0, @@ -35,7 +35,10 @@ struct map { bool referenced; bool erange_warned; u32 priv; + u32 prot; + u32 flags; u64 pgoff; + u64 reloc; u32 maj, min; /* only valid for MMAP2 record */ u64 ino; /* only valid for MMAP2 record */ u64 ino_generation;/* only valid for MMAP2 record */ @@ -58,8 +61,20 @@ struct map_groups { struct rb_root maps[MAP__NR_TYPES]; struct list_head removed_maps[MAP__NR_TYPES]; struct machine *machine; + int refcnt; }; +struct map_groups *map_groups__new(void); +void map_groups__delete(struct map_groups *mg); + +static inline struct map_groups *map_groups__get(struct map_groups *mg) +{ + ++mg->refcnt; + return mg; +} + +void map_groups__put(struct map_groups *mg); + static inline struct kmap *map__kmap(struct map *map) { return (struct kmap *)(map + 1); @@ -89,13 +104,23 @@ u64 map__objdump_2mem(struct map *map, u64 ip); struct symbol; +/* map__for_each_symbol - iterate over the symbols in the given map + * + * @map: the 'struct map *' in which symbols itereated + * @pos: the 'struct symbol *' to use as a loop cursor + * @n: the 'struct rb_node *' to use as a temporary storage + * Note: caller must ensure map->dso is not NULL (map is loaded). + */ +#define map__for_each_symbol(map, pos, n) \ + dso__for_each_symbol(map->dso, pos, n, map->type) + typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); void map__init(struct map *map, enum map_type type, u64 start, u64 end, u64 pgoff, struct dso *dso); struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino, - u64 ino_gen, + u64 ino_gen, u32 prot, u32 flags, char *filename, enum map_type type); struct map *map__new2(u64 start, struct dso *dso, enum map_type type); void map__delete(struct map *map); @@ -103,6 +128,8 @@ struct map *map__clone(struct map *map); int map__overlap(struct map *l, struct map *r); size_t map__fprintf(struct map *map, FILE *fp); size_t map__fprintf_dsoname(struct map *map, FILE *fp); +int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix, + FILE *fp); int map__load(struct map *map, symbol_filter_t filter); struct symbol *map__find_symbol(struct map *map, diff --git a/tools/perf/util/pager.c b/tools/perf/util/pager.c index 3322b8446e8..31ee02d4e98 100644 --- a/tools/perf/util/pager.c +++ b/tools/perf/util/pager.c @@ -57,13 +57,13 @@ void setup_pager(void) } if (!pager) pager = getenv("PAGER"); - if (!pager) { - if (!access("/usr/bin/pager", X_OK)) - pager = "/usr/bin/pager"; - } + if (!(pager || access("/usr/bin/pager", X_OK))) + pager = "/usr/bin/pager"; + if (!(pager || access("/usr/bin/less", X_OK))) + pager = "/usr/bin/less"; if (!pager) - pager = "less"; - else if (!*pager || !strcmp(pager, "cat")) + pager = "cat"; + if (!*pager || !strcmp(pager, "cat")) return; spawned_pager = 1; /* means we are emitting to terminal */ diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 6de6f89c2a6..1e15df10a88 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -10,7 +10,7 @@ #include "symbol.h" #include "cache.h" #include "header.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include "parse-events-bison.h" #define YY_EXTRA_TYPE int #include "parse-events-flex.h" @@ -204,7 +204,7 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config) } path->name = malloc(MAX_EVENT_LENGTH); if (!path->name) { - free(path->system); + zfree(&path->system); free(path); return NULL; } @@ -236,8 +236,8 @@ struct tracepoint_path *tracepoint_name_to_path(const char *name) path->name = strdup(str+1); if (path->system == NULL || path->name == NULL) { - free(path->system); - free(path->name); + zfree(&path->system); + zfree(&path->name); free(path); path = NULL; } @@ -269,9 +269,10 @@ const char *event_type(int type) -static int __add_event(struct list_head *list, int *idx, - struct perf_event_attr *attr, - char *name, struct cpu_map *cpus) +static struct perf_evsel * +__add_event(struct list_head *list, int *idx, + struct perf_event_attr *attr, + char *name, struct cpu_map *cpus) { struct perf_evsel *evsel; @@ -279,19 +280,19 @@ static int __add_event(struct list_head *list, int *idx, evsel = perf_evsel__new_idx(attr, (*idx)++); if (!evsel) - return -ENOMEM; + return NULL; evsel->cpus = cpus; if (name) evsel->name = strdup(name); list_add_tail(&evsel->node, list); - return 0; + return evsel; } static int add_event(struct list_head *list, int *idx, struct perf_event_attr *attr, char *name) { - return __add_event(list, idx, attr, name, NULL); + return __add_event(list, idx, attr, name, NULL) ? 0 : -ENOMEM; } static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) @@ -633,6 +634,9 @@ int parse_events_add_pmu(struct list_head *list, int *idx, { struct perf_event_attr attr; struct perf_pmu *pmu; + struct perf_evsel *evsel; + const char *unit; + double scale; pmu = perf_pmu__find(name); if (!pmu) @@ -640,7 +644,7 @@ int parse_events_add_pmu(struct list_head *list, int *idx, memset(&attr, 0, sizeof(attr)); - if (perf_pmu__check_alias(pmu, head_config)) + if (perf_pmu__check_alias(pmu, head_config, &unit, &scale)) return -EINVAL; /* @@ -652,8 +656,14 @@ int parse_events_add_pmu(struct list_head *list, int *idx, if (perf_pmu__config(pmu, &attr, head_config)) return -EINVAL; - return __add_event(list, idx, &attr, pmu_event_name(head_config), - pmu->cpus); + evsel = __add_event(list, idx, &attr, pmu_event_name(head_config), + pmu->cpus); + if (evsel) { + evsel->unit = unit; + evsel->scale = scale; + } + + return evsel ? 0 : -ENOMEM; } int parse_events__modifier_group(struct list_head *list, @@ -810,8 +820,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add) if (!add && get_event_modifier(&mod, str, NULL)) return -EINVAL; - list_for_each_entry(evsel, list, node) { - + __evlist__for_each(list, evsel) { if (add && get_event_modifier(&mod, str, evsel)) return -EINVAL; @@ -835,7 +844,7 @@ int parse_events_name(struct list_head *list, char *name) { struct perf_evsel *evsel; - list_for_each_entry(evsel, list, node) { + __evlist__for_each(list, evsel) { if (!evsel->name) evsel->name = strdup(name); } @@ -907,7 +916,7 @@ int parse_events_terms(struct list_head *terms, const char *str) ret = parse_events__scanner(str, &data, PE_START_TERMS); if (!ret) { list_splice(data.terms, terms); - free(data.terms); + zfree(&data.terms); return 0; } @@ -1082,12 +1091,12 @@ int is_valid_tracepoint(const char *event_string) static bool is_event_supported(u8 type, unsigned config) { bool ret = true; + int open_return; struct perf_evsel *evsel; struct perf_event_attr attr = { .type = type, .config = config, .disabled = 1, - .exclude_kernel = 1, }; struct { struct thread_map map; @@ -1099,7 +1108,20 @@ static bool is_event_supported(u8 type, unsigned config) evsel = perf_evsel__new(&attr); if (evsel) { - ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; + open_return = perf_evsel__open(evsel, NULL, &tmap.map); + ret = open_return >= 0; + + if (open_return == -EACCES) { + /* + * This happens if the paranoid value + * /proc/sys/kernel/perf_event_paranoid is set to 2 + * Re-run with exclude_kernel set; we don't do that + * by default as some ARM machines do not support it. + * + */ + evsel->attr.exclude_kernel = 1; + ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; + } perf_evsel__delete(evsel); } diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index f1cb4c4b3c7..df094b4ed5e 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -6,9 +6,8 @@ #include <linux/list.h> #include <stdbool.h> -#include "types.h" +#include <linux/types.h> #include <linux/perf_event.h> -#include "types.h" struct list_head; struct perf_evsel; diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 4eb67ec333f..0bc87ba46bf 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -9,7 +9,7 @@ #include <linux/compiler.h> #include <linux/list.h> -#include "types.h" +#include <linux/types.h> #include "util.h" #include "parse-events.h" #include "parse-events-bison.h" @@ -299,6 +299,18 @@ PE_PREFIX_MEM PE_VALUE sep_dc } event_legacy_tracepoint: +PE_NAME '-' PE_NAME ':' PE_NAME +{ + struct parse_events_evlist *data = _data; + struct list_head *list; + char sys_name[128]; + snprintf(&sys_name, 128, "%s-%s", $1, $3); + + ALLOC_LIST(list); + ABORT_ON(parse_events_add_tracepoint(list, &data->idx, &sys_name, $5)); + $$ = list; +} +| PE_NAME ':' PE_NAME { struct parse_events_evlist *data = _data; diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c index 31f404a032a..bf48092983c 100644 --- a/tools/perf/util/parse-options.c +++ b/tools/perf/util/parse-options.c @@ -78,6 +78,8 @@ static int get_value(struct parse_opt_ctx_t *p, case OPTION_BOOLEAN: *(bool *)opt->value = unset ? false : true; + if (opt->set) + *(bool *)opt->set = true; return 0; case OPTION_INCR: @@ -224,6 +226,24 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg, return 0; } if (!rest) { + if (!prefixcmp(options->long_name, "no-")) { + /* + * The long name itself starts with "no-", so + * accept the option without "no-" so that users + * do not have to enter "no-no-" to get the + * negation. + */ + rest = skip_prefix(arg, options->long_name + 3); + if (rest) { + flags |= OPT_UNSET; + goto match; + } + /* Abbreviated case */ + if (!prefixcmp(options->long_name + 3, arg)) { + flags |= OPT_UNSET; + goto is_abbreviated; + } + } /* abbreviated? */ if (!strncmp(options->long_name, arg, arg_end - arg)) { is_abbreviated: @@ -259,6 +279,7 @@ is_abbreviated: if (!rest) continue; } +match: if (*rest) { if (*rest != '=') continue; @@ -386,7 +407,9 @@ int parse_options_step(struct parse_opt_ctx_t *ctx, if (internal_help && !strcmp(arg + 2, "help")) return usage_with_options_internal(usagestr, options, 0); if (!strcmp(arg + 2, "list-opts")) - return PARSE_OPT_LIST; + return PARSE_OPT_LIST_OPTS; + if (!strcmp(arg + 2, "list-cmds")) + return PARSE_OPT_LIST_SUBCMDS; switch (parse_long_opt(ctx, arg + 2, options)) { case -1: return parse_options_usage(usagestr, options, arg + 2, 0); @@ -412,25 +435,45 @@ int parse_options_end(struct parse_opt_ctx_t *ctx) return ctx->cpidx + ctx->argc; } -int parse_options(int argc, const char **argv, const struct option *options, - const char * const usagestr[], int flags) +int parse_options_subcommand(int argc, const char **argv, const struct option *options, + const char *const subcommands[], const char *usagestr[], int flags) { struct parse_opt_ctx_t ctx; perf_header__set_cmdline(argc, argv); + /* build usage string if it's not provided */ + if (subcommands && !usagestr[0]) { + struct strbuf buf = STRBUF_INIT; + + strbuf_addf(&buf, "perf %s [<options>] {", argv[0]); + for (int i = 0; subcommands[i]; i++) { + if (i) + strbuf_addstr(&buf, "|"); + strbuf_addstr(&buf, subcommands[i]); + } + strbuf_addstr(&buf, "}"); + + usagestr[0] = strdup(buf.buf); + strbuf_release(&buf); + } + parse_options_start(&ctx, argc, argv, flags); switch (parse_options_step(&ctx, options, usagestr)) { case PARSE_OPT_HELP: exit(129); case PARSE_OPT_DONE: break; - case PARSE_OPT_LIST: + case PARSE_OPT_LIST_OPTS: while (options->type != OPTION_END) { printf("--%s ", options->long_name); options++; } exit(130); + case PARSE_OPT_LIST_SUBCMDS: + for (int i = 0; subcommands[i]; i++) + printf("%s ", subcommands[i]); + exit(130); default: /* PARSE_OPT_UNKNOWN */ if (ctx.argv[0][1] == '-') { error("unknown option `%s'", ctx.argv[0] + 2); @@ -443,6 +486,13 @@ int parse_options(int argc, const char **argv, const struct option *options, return parse_options_end(&ctx); } +int parse_options(int argc, const char **argv, const struct option *options, + const char * const usagestr[], int flags) +{ + return parse_options_subcommand(argc, argv, options, NULL, + (const char **) usagestr, flags); +} + #define USAGE_OPTS_WIDTH 24 #define USAGE_GAP 2 diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h index b0241e28eaf..d8dac8ac5f3 100644 --- a/tools/perf/util/parse-options.h +++ b/tools/perf/util/parse-options.h @@ -82,6 +82,9 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset); * OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in * the value when met. * CALLBACKS can use it like they want. + * + * `set`:: + * whether an option was set by the user */ struct option { enum parse_opt_type type; @@ -94,6 +97,7 @@ struct option { int flags; parse_opt_cb *callback; intptr_t defval; + bool *set; }; #define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v ) @@ -103,6 +107,10 @@ struct option { #define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) } #define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) } #define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) } +#define OPT_BOOLEAN_SET(s, l, v, os, h) \ + { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), \ + .value = check_vtype(v, bool *), .help = (h), \ + .set = check_vtype(os, bool *)} #define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) } #define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) } #define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) } @@ -132,6 +140,11 @@ extern int parse_options(int argc, const char **argv, const struct option *options, const char * const usagestr[], int flags); +extern int parse_options_subcommand(int argc, const char **argv, + const struct option *options, + const char *const subcommands[], + const char *usagestr[], int flags); + extern NORETURN void usage_with_options(const char * const *usagestr, const struct option *options); @@ -140,7 +153,8 @@ extern NORETURN void usage_with_options(const char * const *usagestr, enum { PARSE_OPT_HELP = -1, PARSE_OPT_DONE, - PARSE_OPT_LIST, + PARSE_OPT_LIST_OPTS, + PARSE_OPT_LIST_SUBCMDS, PARSE_OPT_UNKNOWN, }; diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c new file mode 100644 index 00000000000..43168fb0d9a --- /dev/null +++ b/tools/perf/util/perf_regs.c @@ -0,0 +1,27 @@ +#include <errno.h> +#include "perf_regs.h" +#include "event.h" + +int perf_reg_value(u64 *valp, struct regs_dump *regs, int id) +{ + int i, idx = 0; + u64 mask = regs->mask; + + if (regs->cache_mask & (1 << id)) + goto out; + + if (!(mask & (1 << id))) + return -EINVAL; + + for (i = 0; i < id; i++) { + if (mask & (1 << i)) + idx++; + } + + regs->cache_mask |= (1 << id); + regs->cache_regs[id] = regs->regs[idx]; + +out: + *valp = regs->cache_regs[id]; + return 0; +} diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h index a3d42cd7491..980dbf76bc9 100644 --- a/tools/perf/util/perf_regs.h +++ b/tools/perf/util/perf_regs.h @@ -1,14 +1,29 @@ #ifndef __PERF_REGS_H #define __PERF_REGS_H +#include <linux/types.h> + +struct regs_dump; + #ifdef HAVE_PERF_REGS_SUPPORT #include <perf_regs.h> + +int perf_reg_value(u64 *valp, struct regs_dump *regs, int id); + #else #define PERF_REGS_MASK 0 +#define PERF_REGS_MAX 0 static inline const char *perf_reg_name(int id __maybe_unused) { return NULL; } + +static inline int perf_reg_value(u64 *valp __maybe_unused, + struct regs_dump *regs __maybe_unused, + int id __maybe_unused) +{ + return 0; +} #endif /* HAVE_PERF_REGS_SUPPORT */ #endif /* __PERF_REGS_H */ diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index c232d8dd410..7a811eb61f7 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -1,19 +1,23 @@ #include <linux/list.h> #include <sys/types.h> -#include <sys/stat.h> #include <unistd.h> #include <stdio.h> #include <dirent.h> -#include "fs.h" +#include <api/fs/fs.h> +#include <locale.h> #include "util.h" #include "pmu.h" #include "parse-events.h" #include "cpumap.h" +#define UNIT_MAX_LEN 31 /* max length for event unit name */ + struct perf_pmu_alias { char *name; struct list_head terms; struct list_head list; + char unit[UNIT_MAX_LEN+1]; + double scale; }; struct perf_pmu_format { @@ -94,7 +98,80 @@ static int pmu_format(const char *name, struct list_head *format) return 0; } -static int perf_pmu__new_alias(struct list_head *list, char *name, FILE *file) +static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *name) +{ + struct stat st; + ssize_t sret; + char scale[128]; + int fd, ret = -1; + char path[PATH_MAX]; + const char *lc; + + snprintf(path, PATH_MAX, "%s/%s.scale", dir, name); + + fd = open(path, O_RDONLY); + if (fd == -1) + return -1; + + if (fstat(fd, &st) < 0) + goto error; + + sret = read(fd, scale, sizeof(scale)-1); + if (sret < 0) + goto error; + + scale[sret] = '\0'; + /* + * save current locale + */ + lc = setlocale(LC_NUMERIC, NULL); + + /* + * force to C locale to ensure kernel + * scale string is converted correctly. + * kernel uses default C locale. + */ + setlocale(LC_NUMERIC, "C"); + + alias->scale = strtod(scale, NULL); + + /* restore locale */ + setlocale(LC_NUMERIC, lc); + + ret = 0; +error: + close(fd); + return ret; +} + +static int perf_pmu__parse_unit(struct perf_pmu_alias *alias, char *dir, char *name) +{ + char path[PATH_MAX]; + ssize_t sret; + int fd; + + snprintf(path, PATH_MAX, "%s/%s.unit", dir, name); + + fd = open(path, O_RDONLY); + if (fd == -1) + return -1; + + sret = read(fd, alias->unit, UNIT_MAX_LEN); + if (sret < 0) + goto error; + + close(fd); + + alias->unit[sret] = '\0'; + + return 0; +error: + close(fd); + alias->unit[0] = '\0'; + return -1; +} + +static int perf_pmu__new_alias(struct list_head *list, char *dir, char *name, FILE *file) { struct perf_pmu_alias *alias; char buf[256]; @@ -110,6 +187,9 @@ static int perf_pmu__new_alias(struct list_head *list, char *name, FILE *file) return -ENOMEM; INIT_LIST_HEAD(&alias->terms); + alias->scale = 1.0; + alias->unit[0] = '\0'; + ret = parse_events_terms(&alias->terms, buf); if (ret) { free(alias); @@ -117,7 +197,14 @@ static int perf_pmu__new_alias(struct list_head *list, char *name, FILE *file) } alias->name = strdup(name); + /* + * load unit name and scale if available + */ + perf_pmu__parse_unit(alias, dir, name); + perf_pmu__parse_scale(alias, dir, name); + list_add_tail(&alias->list, list); + return 0; } @@ -129,6 +216,7 @@ static int pmu_aliases_parse(char *dir, struct list_head *head) { struct dirent *evt_ent; DIR *event_dir; + size_t len; int ret = 0; event_dir = opendir(dir); @@ -143,13 +231,24 @@ static int pmu_aliases_parse(char *dir, struct list_head *head) if (!strcmp(name, ".") || !strcmp(name, "..")) continue; + /* + * skip .unit and .scale info files + * parsed in perf_pmu__new_alias() + */ + len = strlen(name); + if (len > 5 && !strcmp(name + len - 5, ".unit")) + continue; + if (len > 6 && !strcmp(name + len - 6, ".scale")) + continue; + snprintf(path, PATH_MAX, "%s/%s", dir, name); ret = -EINVAL; file = fopen(path, "r"); if (!file) break; - ret = perf_pmu__new_alias(head, name, file); + + ret = perf_pmu__new_alias(head, dir, name, file); fclose(file); } @@ -185,17 +284,17 @@ static int pmu_aliases(const char *name, struct list_head *head) static int pmu_alias_terms(struct perf_pmu_alias *alias, struct list_head *terms) { - struct parse_events_term *term, *clone; + struct parse_events_term *term, *cloned; LIST_HEAD(list); int ret; list_for_each_entry(term, &alias->terms, list) { - ret = parse_events_term__clone(&clone, term); + ret = parse_events_term__clone(&cloned, term); if (ret) { parse_events__free_terms(&list); return ret; } - list_add_tail(&clone->list, &list); + list_add_tail(&cloned->list, &list); } list_splice(&list, terms); return 0; @@ -406,7 +505,7 @@ static __u64 pmu_format_value(unsigned long *format, __u64 value) /* * Setup one of config[12] attr members based on the - * user input data - temr parameter. + * user input data - term parameter. */ static int pmu_config_term(struct list_head *formats, struct perf_event_attr *attr, @@ -508,16 +607,46 @@ static struct perf_pmu_alias *pmu_find_alias(struct perf_pmu *pmu, return NULL; } + +static int check_unit_scale(struct perf_pmu_alias *alias, + const char **unit, double *scale) +{ + /* + * Only one term in event definition can + * define unit and scale, fail if there's + * more than one. + */ + if ((*unit && alias->unit) || + (*scale && alias->scale)) + return -EINVAL; + + if (alias->unit) + *unit = alias->unit; + + if (alias->scale) + *scale = alias->scale; + + return 0; +} + /* * Find alias in the terms list and replace it with the terms * defined for the alias */ -int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms) +int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, + const char **unit, double *scale) { struct parse_events_term *term, *h; struct perf_pmu_alias *alias; int ret; + /* + * Mark unit and scale as not set + * (different from default values, see below) + */ + *unit = NULL; + *scale = 0.0; + list_for_each_entry_safe(term, h, head_terms, list) { alias = pmu_find_alias(pmu, term); if (!alias) @@ -525,9 +654,26 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms) ret = pmu_alias_terms(alias, &term->list); if (ret) return ret; + + ret = check_unit_scale(alias, unit, scale); + if (ret) + return ret; + list_del(&term->list); free(term); } + + /* + * if no unit or scale foundin aliases, then + * set defaults as for evsel + * unit cannot left to NULL + */ + if (*unit == NULL) + *unit = ""; + + if (*scale == 0.0) + *scale = 1.0; + return 0; } @@ -625,7 +771,7 @@ void print_pmu_events(const char *event_glob, bool name_only) continue; } printf(" %-50s [Kernel PMU event]\n", aliases[j]); - free(aliases[j]); + zfree(&aliases[j]); printed++; } if (printed) diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 1179b26f244..c14a543ce1f 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -1,7 +1,7 @@ #ifndef __PMU_H #define __PMU_H -#include <linux/bitops.h> +#include <linux/bitmap.h> #include <linux/perf_event.h> #include <stdbool.h> @@ -28,7 +28,8 @@ int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, int perf_pmu__config_terms(struct list_head *formats, struct perf_event_attr *attr, struct list_head *head_terms); -int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms); +int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, + const char **unit, double *scale); struct list_head *perf_pmu__alias(struct perf_pmu *pmu, struct list_head *head_terms); int perf_pmu_wrap(void); diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 9c6989ca2be..9a0a1839a37 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -40,7 +40,7 @@ #include "color.h" #include "symbol.h" #include "thread.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include "trace-event.h" /* For __maybe_unused */ #include "probe-event.h" #include "probe-finder.h" @@ -70,33 +70,32 @@ static int e_snprintf(char *str, size_t size, const char *format, ...) } static char *synthesize_perf_probe_point(struct perf_probe_point *pp); -static int convert_name_to_addr(struct perf_probe_event *pev, - const char *exec); -static struct machine machine; +static void clear_probe_trace_event(struct probe_trace_event *tev); +static struct machine *host_machine; /* Initialize symbol maps and path of vmlinux/modules */ -static int init_vmlinux(void) +static int init_symbol_maps(bool user_only) { int ret; symbol_conf.sort_by_name = true; - if (symbol_conf.vmlinux_name == NULL) - symbol_conf.try_vmlinux_path = true; - else - pr_debug("Use vmlinux: %s\n", symbol_conf.vmlinux_name); ret = symbol__init(); if (ret < 0) { pr_debug("Failed to init symbol map.\n"); goto out; } - ret = machine__init(&machine, "", HOST_KERNEL_ID); - if (ret < 0) - goto out; + if (host_machine || user_only) /* already initialized */ + return 0; - if (machine__create_kernel_maps(&machine) < 0) { - pr_debug("machine__create_kernel_maps() failed.\n"); - goto out; + if (symbol_conf.vmlinux_name) + pr_debug("Use vmlinux: %s\n", symbol_conf.vmlinux_name); + + host_machine = machine__new_host(); + if (!host_machine) { + pr_debug("machine__new_host() failed.\n"); + symbol__exit(); + ret = -1; } out: if (ret < 0) @@ -104,21 +103,66 @@ out: return ret; } +static void exit_symbol_maps(void) +{ + if (host_machine) { + machine__delete(host_machine); + host_machine = NULL; + } + symbol__exit(); +} + static struct symbol *__find_kernel_function_by_name(const char *name, struct map **mapp) { - return machine__find_kernel_function_by_name(&machine, name, mapp, + return machine__find_kernel_function_by_name(host_machine, name, mapp, NULL); } +static struct symbol *__find_kernel_function(u64 addr, struct map **mapp) +{ + return machine__find_kernel_function(host_machine, addr, mapp, NULL); +} + +static struct ref_reloc_sym *kernel_get_ref_reloc_sym(void) +{ + /* kmap->ref_reloc_sym should be set if host_machine is initialized */ + struct kmap *kmap; + + if (map__load(host_machine->vmlinux_maps[MAP__FUNCTION], NULL) < 0) + return NULL; + + kmap = map__kmap(host_machine->vmlinux_maps[MAP__FUNCTION]); + return kmap->ref_reloc_sym; +} + +static u64 kernel_get_symbol_address_by_name(const char *name, bool reloc) +{ + struct ref_reloc_sym *reloc_sym; + struct symbol *sym; + struct map *map; + + /* ref_reloc_sym is just a label. Need a special fix*/ + reloc_sym = kernel_get_ref_reloc_sym(); + if (reloc_sym && strcmp(name, reloc_sym->name) == 0) + return (reloc) ? reloc_sym->addr : reloc_sym->unrelocated_addr; + else { + sym = __find_kernel_function_by_name(name, &map); + if (sym) + return map->unmap_ip(map, sym->start) - + (reloc) ? 0 : map->reloc; + } + return 0; +} + static struct map *kernel_get_module_map(const char *module) { struct rb_node *nd; - struct map_groups *grp = &machine.kmaps; + struct map_groups *grp = &host_machine->kmaps; /* A file path -- this is an offline module */ if (module && strchr(module, '/')) - return machine__new_module(&machine, 0, module); + return machine__new_module(host_machine, 0, module); if (!module) module = "kernel"; @@ -140,7 +184,7 @@ static struct dso *kernel_get_module_dso(const char *module) const char *vmlinux_name; if (module) { - list_for_each_entry(dso, &machine.kernel_dsos, node) { + list_for_each_entry(dso, &host_machine->kernel_dsos, node) { if (strncmp(dso->short_name + 1, module, dso->short_name_len - 2) == 0) goto found; @@ -149,12 +193,12 @@ static struct dso *kernel_get_module_dso(const char *module) return NULL; } - map = machine.vmlinux_maps[MAP__FUNCTION]; + map = host_machine->vmlinux_maps[MAP__FUNCTION]; dso = map->dso; vmlinux_name = symbol_conf.vmlinux_name; if (vmlinux_name) { - if (dso__load_vmlinux(dso, map, vmlinux_name, NULL) <= 0) + if (dso__load_vmlinux(dso, map, vmlinux_name, false, NULL) <= 0) return NULL; } else { if (dso__load_vmlinux_path(dso, map, NULL) <= 0) { @@ -172,46 +216,54 @@ const char *kernel_get_module_path(const char *module) return (dso) ? dso->long_name : NULL; } -static int init_user_exec(void) +static int convert_exec_to_group(const char *exec, char **result) { - int ret = 0; + char *ptr1, *ptr2, *exec_copy; + char buf[64]; + int ret; - symbol_conf.try_vmlinux_path = false; - symbol_conf.sort_by_name = true; - ret = symbol__init(); + exec_copy = strdup(exec); + if (!exec_copy) + return -ENOMEM; + ptr1 = basename(exec_copy); + if (!ptr1) { + ret = -EINVAL; + goto out; + } + + ptr2 = strpbrk(ptr1, "-._"); + if (ptr2) + *ptr2 = '\0'; + ret = e_snprintf(buf, 64, "%s_%s", PERFPROBE_GROUP, ptr1); if (ret < 0) - pr_debug("Failed to init symbol map.\n"); + goto out; + *result = strdup(buf); + ret = *result ? 0 : -ENOMEM; + +out: + free(exec_copy); return ret; } -static int convert_to_perf_probe_point(struct probe_trace_point *tp, - struct perf_probe_point *pp) +static void clear_probe_trace_events(struct probe_trace_event *tevs, int ntevs) { - pp->function = strdup(tp->symbol); - - if (pp->function == NULL) - return -ENOMEM; - - pp->offset = tp->offset; - pp->retprobe = tp->retprobe; + int i; - return 0; + for (i = 0; i < ntevs; i++) + clear_probe_trace_event(tevs + i); } #ifdef HAVE_DWARF_SUPPORT + /* Open new debuginfo of given module */ static struct debuginfo *open_debuginfo(const char *module) { - const char *path; + const char *path = module; - /* A file path -- this is an offline module */ - if (module && strchr(module, '/')) - path = module; - else { + if (!module || !strchr(module, '/')) { path = kernel_get_module_path(module); - if (!path) { pr_err("Failed to find path of %s module.\n", module ?: "kernel"); @@ -221,44 +273,110 @@ static struct debuginfo *open_debuginfo(const char *module) return debuginfo__new(path); } +static int get_text_start_address(const char *exec, unsigned long *address) +{ + Elf *elf; + GElf_Ehdr ehdr; + GElf_Shdr shdr; + int fd, ret = -ENOENT; + + fd = open(exec, O_RDONLY); + if (fd < 0) + return -errno; + + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); + if (elf == NULL) + return -EINVAL; + + if (gelf_getehdr(elf, &ehdr) == NULL) + goto out; + + if (!elf_section_by_name(elf, &ehdr, &shdr, ".text", NULL)) + goto out; + + *address = shdr.sh_addr - shdr.sh_offset; + ret = 0; +out: + elf_end(elf); + return ret; +} + /* * Convert trace point to probe point with debuginfo - * Currently only handles kprobes. */ -static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp, - struct perf_probe_point *pp) +static int find_perf_probe_point_from_dwarf(struct probe_trace_point *tp, + struct perf_probe_point *pp, + bool is_kprobe) { - struct symbol *sym; - struct map *map; - u64 addr; + struct debuginfo *dinfo = NULL; + unsigned long stext = 0; + u64 addr = tp->address; int ret = -ENOENT; - struct debuginfo *dinfo; - sym = __find_kernel_function_by_name(tp->symbol, &map); - if (sym) { - addr = map->unmap_ip(map, sym->start + tp->offset); - pr_debug("try to find %s+%ld@%" PRIx64 "\n", tp->symbol, - tp->offset, addr); + /* convert the address to dwarf address */ + if (!is_kprobe) { + if (!addr) { + ret = -EINVAL; + goto error; + } + ret = get_text_start_address(tp->module, &stext); + if (ret < 0) + goto error; + addr += stext; + } else { + addr = kernel_get_symbol_address_by_name(tp->symbol, false); + if (addr == 0) + goto error; + addr += tp->offset; + } + + pr_debug("try to find information at %" PRIx64 " in %s\n", addr, + tp->module ? : "kernel"); - dinfo = debuginfo__new_online_kernel(addr); - if (dinfo) { - ret = debuginfo__find_probe_point(dinfo, + dinfo = open_debuginfo(tp->module); + if (dinfo) { + ret = debuginfo__find_probe_point(dinfo, (unsigned long)addr, pp); - debuginfo__delete(dinfo); - } else { - pr_debug("Failed to open debuginfo at 0x%" PRIx64 "\n", - addr); - ret = -ENOENT; - } + debuginfo__delete(dinfo); + } else { + pr_debug("Failed to open debuginfo at 0x%" PRIx64 "\n", addr); + ret = -ENOENT; } - if (ret <= 0) { - pr_debug("Failed to find corresponding probes from " - "debuginfo. Use kprobe event information.\n"); - return convert_to_perf_probe_point(tp, pp); + + if (ret > 0) { + pp->retprobe = tp->retprobe; + return 0; } - pp->retprobe = tp->retprobe; +error: + pr_debug("Failed to find corresponding probes from debuginfo.\n"); + return ret ? : -ENOENT; +} - return 0; +static int add_exec_to_probe_trace_events(struct probe_trace_event *tevs, + int ntevs, const char *exec) +{ + int i, ret = 0; + unsigned long stext = 0; + + if (!exec) + return 0; + + ret = get_text_start_address(exec, &stext); + if (ret < 0) + return ret; + + for (i = 0; i < ntevs && ret >= 0; i++) { + /* point.address is the addres of point.symbol + point.offset */ + tevs[i].point.address -= stext; + tevs[i].point.module = strdup(exec); + if (!tevs[i].point.module) { + ret = -ENOMEM; + break; + } + tevs[i].uprobes = true; + } + + return ret; } static int add_module_to_probe_trace_events(struct probe_trace_event *tevs, @@ -290,12 +408,46 @@ static int add_module_to_probe_trace_events(struct probe_trace_event *tevs, } } - if (tmp) - free(tmp); - + free(tmp); return ret; } +/* Post processing the probe events */ +static int post_process_probe_trace_events(struct probe_trace_event *tevs, + int ntevs, const char *module, + bool uprobe) +{ + struct ref_reloc_sym *reloc_sym; + char *tmp; + int i; + + if (uprobe) + return add_exec_to_probe_trace_events(tevs, ntevs, module); + + /* Note that currently ref_reloc_sym based probe is not for drivers */ + if (module) + return add_module_to_probe_trace_events(tevs, ntevs, module); + + reloc_sym = kernel_get_ref_reloc_sym(); + if (!reloc_sym) { + pr_warning("Relocated base symbol is not found!\n"); + return -EINVAL; + } + + for (i = 0; i < ntevs; i++) { + if (tevs[i].point.address) { + tmp = strdup(reloc_sym->name); + if (!tmp) + return -ENOMEM; + free(tevs[i].point.symbol); + tevs[i].point.symbol = tmp; + tevs[i].point.offset = tevs[i].point.address - + reloc_sym->unrelocated_addr; + } + } + return 0; +} + /* Try to find perf_probe_event with debuginfo */ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, struct probe_trace_event **tevs, @@ -305,15 +457,6 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, struct debuginfo *dinfo; int ntevs, ret = 0; - if (pev->uprobes) { - if (need_dwarf) { - pr_warning("Debuginfo-analysis is not yet supported" - " with -x/--exec option.\n"); - return -ENOSYS; - } - return convert_name_to_addr(pev, target); - } - dinfo = open_debuginfo(target); if (!dinfo) { @@ -325,16 +468,20 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, return 0; } + pr_debug("Try to find probe point from debuginfo.\n"); /* Searching trace events corresponding to a probe event */ ntevs = debuginfo__find_trace_events(dinfo, pev, tevs, max_tevs); debuginfo__delete(dinfo); if (ntevs > 0) { /* Succeeded to find trace events */ - pr_debug("find %d probe_trace_events.\n", ntevs); - if (target) - ret = add_module_to_probe_trace_events(*tevs, ntevs, - target); + pr_debug("Found %d probe_trace_events.\n", ntevs); + ret = post_process_probe_trace_events(*tevs, ntevs, + target, pev->uprobes); + if (ret < 0) { + clear_probe_trace_events(*tevs, ntevs); + zfree(tevs); + } return ret < 0 ? ret : ntevs; } @@ -401,15 +548,13 @@ static int get_real_path(const char *raw_path, const char *comp_dir, case EFAULT: raw_path = strchr(++raw_path, '/'); if (!raw_path) { - free(*new_path); - *new_path = NULL; + zfree(new_path); return -ENOENT; } continue; default: - free(*new_path); - *new_path = NULL; + zfree(new_path); return -errno; } } @@ -465,20 +610,16 @@ static int _show_one_line(FILE *fp, int l, bool skip, bool show_num) * Show line-range always requires debuginfo to find source file and * line number. */ -int show_line_range(struct line_range *lr, const char *module) +static int __show_line_range(struct line_range *lr, const char *module) { int l = 1; - struct line_node *ln; + struct int_node *ln; struct debuginfo *dinfo; FILE *fp; int ret; char *tmp; /* Search a line range */ - ret = init_vmlinux(); - if (ret < 0) - return ret; - dinfo = open_debuginfo(module); if (!dinfo) { pr_warning("Failed to open debuginfo file.\n"); @@ -487,11 +628,11 @@ int show_line_range(struct line_range *lr, const char *module) ret = debuginfo__find_line_range(dinfo, lr); debuginfo__delete(dinfo); - if (ret == 0) { + if (ret == 0 || ret == -ENOENT) { pr_warning("Specified source line is not found.\n"); return -ENOENT; } else if (ret < 0) { - pr_warning("Debuginfo analysis failed. (%d)\n", ret); + pr_warning("Debuginfo analysis failed.\n"); return ret; } @@ -500,7 +641,7 @@ int show_line_range(struct line_range *lr, const char *module) ret = get_real_path(tmp, lr->comp_dir, &lr->path); free(tmp); /* Free old path */ if (ret < 0) { - pr_warning("Failed to find source file. (%d)\n", ret); + pr_warning("Failed to find source file path.\n"); return ret; } @@ -525,8 +666,8 @@ int show_line_range(struct line_range *lr, const char *module) goto end; } - list_for_each_entry(ln, &lr->line_list, list) { - for (; ln->line > l; l++) { + intlist__for_each(ln, lr->line_list) { + for (; ln->i > l; l++) { ret = show_one_line(fp, l - lr->offset); if (ret < 0) goto end; @@ -548,6 +689,19 @@ end: return ret; } +int show_line_range(struct line_range *lr, const char *module) +{ + int ret; + + ret = init_symbol_maps(false); + if (ret < 0) + return ret; + ret = __show_line_range(lr, module); + exit_symbol_maps(); + + return ret; +} + static int show_available_vars_at(struct debuginfo *dinfo, struct perf_probe_event *pev, int max_vls, struct strfilter *_filter, @@ -567,9 +721,14 @@ static int show_available_vars_at(struct debuginfo *dinfo, ret = debuginfo__find_available_vars_at(dinfo, pev, &vls, max_vls, externs); if (ret <= 0) { - pr_err("Failed to find variables at %s (%d)\n", buf, ret); + if (ret == 0 || ret == -ENOENT) { + pr_err("Failed to find the address of %s\n", buf); + ret = -ENOENT; + } else + pr_warning("Debuginfo analysis failed.\n"); goto end; } + /* Some variables are found */ fprintf(stdout, "Available variables at %s\n", buf); for (i = 0; i < ret; i++) { @@ -580,7 +739,7 @@ static int show_available_vars_at(struct debuginfo *dinfo, */ fprintf(stdout, "\t@<%s+%lu>\n", vl->point.symbol, vl->point.offset); - free(vl->point.symbol); + zfree(&vl->point.symbol); nvars = 0; if (vl->vars) { strlist__for_each(node, vl->vars) { @@ -609,14 +768,15 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs, int i, ret = 0; struct debuginfo *dinfo; - ret = init_vmlinux(); + ret = init_symbol_maps(false); if (ret < 0) return ret; dinfo = open_debuginfo(module); if (!dinfo) { pr_warning("Failed to open debuginfo file.\n"); - return -ENOENT; + ret = -ENOENT; + goto out; } setup_pager(); @@ -626,37 +786,31 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs, externs); debuginfo__delete(dinfo); +out: + exit_symbol_maps(); return ret; } #else /* !HAVE_DWARF_SUPPORT */ -static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp, - struct perf_probe_point *pp) +static int +find_perf_probe_point_from_dwarf(struct probe_trace_point *tp __maybe_unused, + struct perf_probe_point *pp __maybe_unused, + bool is_kprobe __maybe_unused) { - struct symbol *sym; - - sym = __find_kernel_function_by_name(tp->symbol, NULL); - if (!sym) { - pr_err("Failed to find symbol %s in kernel.\n", tp->symbol); - return -ENOENT; - } - - return convert_to_perf_probe_point(tp, pp); + return -ENOSYS; } static int try_to_find_probe_trace_events(struct perf_probe_event *pev, struct probe_trace_event **tevs __maybe_unused, - int max_tevs __maybe_unused, const char *target) + int max_tevs __maybe_unused, + const char *target __maybe_unused) { if (perf_probe_event_need_dwarf(pev)) { pr_warning("Debuginfo-analysis is not supported.\n"); return -ENOSYS; } - if (pev->uprobes) - return convert_name_to_addr(pev, target); - return 0; } @@ -678,6 +832,26 @@ int show_available_vars(struct perf_probe_event *pevs __maybe_unused, } #endif +void line_range__clear(struct line_range *lr) +{ + free(lr->function); + free(lr->file); + free(lr->path); + free(lr->comp_dir); + intlist__delete(lr->line_list); + memset(lr, 0, sizeof(*lr)); +} + +int line_range__init(struct line_range *lr) +{ + memset(lr, 0, sizeof(*lr)); + lr->line_list = intlist__new(NULL); + if (!lr->line_list) + return -ENOMEM; + else + return 0; +} + static int parse_line_num(char **ptr, int *val, const char *what) { const char *start = *ptr; @@ -1149,16 +1323,21 @@ static int parse_probe_trace_command(const char *cmd, } else p = argv[1]; fmt1_str = strtok_r(p, "+", &fmt); - tp->symbol = strdup(fmt1_str); - if (tp->symbol == NULL) { - ret = -ENOMEM; - goto out; + if (fmt1_str[0] == '0') /* only the address started with 0x */ + tp->address = strtoul(fmt1_str, NULL, 0); + else { + /* Only the symbol-based probe has offset */ + tp->symbol = strdup(fmt1_str); + if (tp->symbol == NULL) { + ret = -ENOMEM; + goto out; + } + fmt2_str = strtok_r(NULL, "", &fmt); + if (fmt2_str == NULL) + tp->offset = 0; + else + tp->offset = strtoul(fmt2_str, NULL, 10); } - fmt2_str = strtok_r(NULL, "", &fmt); - if (fmt2_str == NULL) - tp->offset = 0; - else - tp->offset = strtoul(fmt2_str, NULL, 10); tev->nargs = argc - 2; tev->args = zalloc(sizeof(struct probe_trace_arg) * tev->nargs); @@ -1278,8 +1457,7 @@ static char *synthesize_perf_probe_point(struct perf_probe_point *pp) error: pr_debug("Failed to synthesize perf probe point: %s\n", strerror(-ret)); - if (buf) - free(buf); + free(buf); return NULL; } @@ -1401,20 +1579,27 @@ char *synthesize_probe_trace_command(struct probe_trace_event *tev) if (buf == NULL) return NULL; + len = e_snprintf(buf, MAX_CMDLEN, "%c:%s/%s ", tp->retprobe ? 'r' : 'p', + tev->group, tev->event); + if (len <= 0) + goto error; + + /* Uprobes must have tp->address and tp->module */ + if (tev->uprobes && (!tp->address || !tp->module)) + goto error; + + /* Use the tp->address for uprobes */ if (tev->uprobes) - len = e_snprintf(buf, MAX_CMDLEN, "%c:%s/%s %s:%s", - tp->retprobe ? 'r' : 'p', - tev->group, tev->event, - tp->module, tp->symbol); + ret = e_snprintf(buf + len, MAX_CMDLEN - len, "%s:0x%lx", + tp->module, tp->address); else - len = e_snprintf(buf, MAX_CMDLEN, "%c:%s/%s %s%s%s+%lu", - tp->retprobe ? 'r' : 'p', - tev->group, tev->event, + ret = e_snprintf(buf + len, MAX_CMDLEN - len, "%s%s%s+%lu", tp->module ?: "", tp->module ? ":" : "", tp->symbol, tp->offset); - if (len <= 0) + if (ret <= 0) goto error; + len += ret; for (i = 0; i < tev->nargs; i++) { ret = synthesize_probe_trace_arg(&tev->args[i], buf + len, @@ -1430,6 +1615,79 @@ error: return NULL; } +static int find_perf_probe_point_from_map(struct probe_trace_point *tp, + struct perf_probe_point *pp, + bool is_kprobe) +{ + struct symbol *sym = NULL; + struct map *map; + u64 addr; + int ret = -ENOENT; + + if (!is_kprobe) { + map = dso__new_map(tp->module); + if (!map) + goto out; + addr = tp->address; + sym = map__find_symbol(map, addr, NULL); + } else { + addr = kernel_get_symbol_address_by_name(tp->symbol, true); + if (addr) { + addr += tp->offset; + sym = __find_kernel_function(addr, &map); + } + } + if (!sym) + goto out; + + pp->retprobe = tp->retprobe; + pp->offset = addr - map->unmap_ip(map, sym->start); + pp->function = strdup(sym->name); + ret = pp->function ? 0 : -ENOMEM; + +out: + if (map && !is_kprobe) { + dso__delete(map->dso); + map__delete(map); + } + + return ret; +} + +static int convert_to_perf_probe_point(struct probe_trace_point *tp, + struct perf_probe_point *pp, + bool is_kprobe) +{ + char buf[128]; + int ret; + + ret = find_perf_probe_point_from_dwarf(tp, pp, is_kprobe); + if (!ret) + return 0; + ret = find_perf_probe_point_from_map(tp, pp, is_kprobe); + if (!ret) + return 0; + + pr_debug("Failed to find probe point from both of dwarf and map.\n"); + + if (tp->symbol) { + pp->function = strdup(tp->symbol); + pp->offset = tp->offset; + } else if (!tp->module && !is_kprobe) { + ret = e_snprintf(buf, 128, "0x%" PRIx64, (u64)tp->address); + if (ret < 0) + return ret; + pp->function = strdup(buf); + pp->offset = 0; + } + if (pp->function == NULL) + return -ENOMEM; + + pp->retprobe = tp->retprobe; + + return 0; +} + static int convert_to_perf_probe_event(struct probe_trace_event *tev, struct perf_probe_event *pev, bool is_kprobe) { @@ -1443,11 +1701,7 @@ static int convert_to_perf_probe_event(struct probe_trace_event *tev, return -ENOMEM; /* Convert trace_point to probe_point */ - if (is_kprobe) - ret = kprobe_convert_to_perf_probe(&tev->point, &pev->point); - else - ret = convert_to_perf_probe_point(&tev->point, &pev->point); - + ret = convert_to_perf_probe_point(&tev->point, &pev->point, is_kprobe); if (ret < 0) return ret; @@ -1480,34 +1734,25 @@ void clear_perf_probe_event(struct perf_probe_event *pev) struct perf_probe_arg_field *field, *next; int i; - if (pev->event) - free(pev->event); - if (pev->group) - free(pev->group); - if (pp->file) - free(pp->file); - if (pp->function) - free(pp->function); - if (pp->lazy_line) - free(pp->lazy_line); + free(pev->event); + free(pev->group); + free(pp->file); + free(pp->function); + free(pp->lazy_line); + for (i = 0; i < pev->nargs; i++) { - if (pev->args[i].name) - free(pev->args[i].name); - if (pev->args[i].var) - free(pev->args[i].var); - if (pev->args[i].type) - free(pev->args[i].type); + free(pev->args[i].name); + free(pev->args[i].var); + free(pev->args[i].type); field = pev->args[i].field; while (field) { next = field->next; - if (field->name) - free(field->name); + zfree(&field->name); free(field); field = next; } } - if (pev->args) - free(pev->args); + free(pev->args); memset(pev, 0, sizeof(*pev)); } @@ -1516,21 +1761,14 @@ static void clear_probe_trace_event(struct probe_trace_event *tev) struct probe_trace_arg_ref *ref, *next; int i; - if (tev->event) - free(tev->event); - if (tev->group) - free(tev->group); - if (tev->point.symbol) - free(tev->point.symbol); - if (tev->point.module) - free(tev->point.module); + free(tev->event); + free(tev->group); + free(tev->point.symbol); + free(tev->point.module); for (i = 0; i < tev->nargs; i++) { - if (tev->args[i].name) - free(tev->args[i].name); - if (tev->args[i].value) - free(tev->args[i].value); - if (tev->args[i].type) - free(tev->args[i].type); + free(tev->args[i].name); + free(tev->args[i].value); + free(tev->args[i].type); ref = tev->args[i].ref; while (ref) { next = ref->next; @@ -1538,8 +1776,7 @@ static void clear_probe_trace_event(struct probe_trace_event *tev) ref = next; } } - if (tev->args) - free(tev->args); + free(tev->args); memset(tev, 0, sizeof(*tev)); } @@ -1631,7 +1868,8 @@ static struct strlist *get_probe_trace_command_rawlist(int fd) } /* Show an event */ -static int show_perf_probe_event(struct perf_probe_event *pev) +static int show_perf_probe_event(struct perf_probe_event *pev, + const char *module) { int i, ret; char buf[128]; @@ -1647,6 +1885,8 @@ static int show_perf_probe_event(struct perf_probe_event *pev) return ret; printf(" %-20s (on %s", buf, place); + if (module) + printf(" in %s", module); if (pev->nargs > 0) { printf(" with"); @@ -1684,7 +1924,8 @@ static int __show_perf_probe_events(int fd, bool is_kprobe) ret = convert_to_perf_probe_event(&tev, &pev, is_kprobe); if (ret >= 0) - ret = show_perf_probe_event(&pev); + ret = show_perf_probe_event(&pev, + tev.point.module); } clear_perf_probe_event(&pev); clear_probe_trace_event(&tev); @@ -1707,7 +1948,7 @@ int show_perf_probe_events(void) if (fd < 0) return fd; - ret = init_vmlinux(); + ret = init_symbol_maps(false); if (ret < 0) return ret; @@ -1720,6 +1961,7 @@ int show_perf_probe_events(void) close(fd); } + exit_symbol_maps(); return ret; } @@ -1882,7 +2124,7 @@ static int __add_probe_trace_events(struct perf_probe_event *pev, group = pev->group; pev->event = tev->event; pev->group = tev->group; - show_perf_probe_event(pev); + show_perf_probe_event(pev, tev->point.module); /* Trick here - restore current event/group */ pev->event = (char *)event; pev->group = (char *)group; @@ -1908,98 +2150,175 @@ static int __add_probe_trace_events(struct perf_probe_event *pev, return ret; } -static int convert_to_probe_trace_events(struct perf_probe_event *pev, - struct probe_trace_event **tevs, - int max_tevs, const char *target) +static char *looking_function_name; +static int num_matched_functions; + +static int probe_function_filter(struct map *map __maybe_unused, + struct symbol *sym) { + if ((sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL) && + strcmp(looking_function_name, sym->name) == 0) { + num_matched_functions++; + return 0; + } + return 1; +} + +#define strdup_or_goto(str, label) \ + ({ char *__p = strdup(str); if (!__p) goto label; __p; }) + +/* + * Find probe function addresses from map. + * Return an error or the number of found probe_trace_event + */ +static int find_probe_trace_events_from_map(struct perf_probe_event *pev, + struct probe_trace_event **tevs, + int max_tevs, const char *target) +{ + struct map *map = NULL; + struct kmap *kmap = NULL; + struct ref_reloc_sym *reloc_sym = NULL; struct symbol *sym; - int ret = 0, i; + struct rb_node *nd; struct probe_trace_event *tev; + struct perf_probe_point *pp = &pev->point; + struct probe_trace_point *tp; + int ret, i; - /* Convert perf_probe_event with debuginfo */ - ret = try_to_find_probe_trace_events(pev, tevs, max_tevs, target); - if (ret != 0) - return ret; /* Found in debuginfo or got an error */ - - /* Allocate trace event buffer */ - tev = *tevs = zalloc(sizeof(struct probe_trace_event)); - if (tev == NULL) - return -ENOMEM; + /* Init maps of given executable or kernel */ + if (pev->uprobes) + map = dso__new_map(target); + else + map = kernel_get_module_map(target); + if (!map) { + ret = -EINVAL; + goto out; + } - /* Copy parameters */ - tev->point.symbol = strdup(pev->point.function); - if (tev->point.symbol == NULL) { - ret = -ENOMEM; - goto error; + /* + * Load matched symbols: Since the different local symbols may have + * same name but different addresses, this lists all the symbols. + */ + num_matched_functions = 0; + looking_function_name = pp->function; + ret = map__load(map, probe_function_filter); + if (ret || num_matched_functions == 0) { + pr_err("Failed to find symbol %s in %s\n", pp->function, + target ? : "kernel"); + ret = -ENOENT; + goto out; + } else if (num_matched_functions > max_tevs) { + pr_err("Too many functions matched in %s\n", + target ? : "kernel"); + ret = -E2BIG; + goto out; } - if (target) { - tev->point.module = strdup(target); - if (tev->point.module == NULL) { - ret = -ENOMEM; - goto error; + if (!pev->uprobes) { + kmap = map__kmap(map); + reloc_sym = kmap->ref_reloc_sym; + if (!reloc_sym) { + pr_warning("Relocated base symbol is not found!\n"); + ret = -EINVAL; + goto out; } } - tev->point.offset = pev->point.offset; - tev->point.retprobe = pev->point.retprobe; - tev->nargs = pev->nargs; - tev->uprobes = pev->uprobes; + /* Setup result trace-probe-events */ + *tevs = zalloc(sizeof(*tev) * num_matched_functions); + if (!*tevs) { + ret = -ENOMEM; + goto out; + } - if (tev->nargs) { - tev->args = zalloc(sizeof(struct probe_trace_arg) - * tev->nargs); - if (tev->args == NULL) { - ret = -ENOMEM; - goto error; + ret = 0; + map__for_each_symbol(map, sym, nd) { + tev = (*tevs) + ret; + tp = &tev->point; + if (ret == num_matched_functions) { + pr_warning("Too many symbols are listed. Skip it.\n"); + break; + } + ret++; + + if (pp->offset > sym->end - sym->start) { + pr_warning("Offset %ld is bigger than the size of %s\n", + pp->offset, sym->name); + ret = -ENOENT; + goto err_out; + } + /* Add one probe point */ + tp->address = map->unmap_ip(map, sym->start) + pp->offset; + if (reloc_sym) { + tp->symbol = strdup_or_goto(reloc_sym->name, nomem_out); + tp->offset = tp->address - reloc_sym->addr; + } else { + tp->symbol = strdup_or_goto(sym->name, nomem_out); + tp->offset = pp->offset; + } + tp->retprobe = pp->retprobe; + if (target) + tev->point.module = strdup_or_goto(target, nomem_out); + tev->uprobes = pev->uprobes; + tev->nargs = pev->nargs; + if (tev->nargs) { + tev->args = zalloc(sizeof(struct probe_trace_arg) * + tev->nargs); + if (tev->args == NULL) + goto nomem_out; } for (i = 0; i < tev->nargs; i++) { - if (pev->args[i].name) { - tev->args[i].name = strdup(pev->args[i].name); - if (tev->args[i].name == NULL) { - ret = -ENOMEM; - goto error; - } - } - tev->args[i].value = strdup(pev->args[i].var); - if (tev->args[i].value == NULL) { - ret = -ENOMEM; - goto error; - } - if (pev->args[i].type) { - tev->args[i].type = strdup(pev->args[i].type); - if (tev->args[i].type == NULL) { - ret = -ENOMEM; - goto error; - } - } + if (pev->args[i].name) + tev->args[i].name = + strdup_or_goto(pev->args[i].name, + nomem_out); + + tev->args[i].value = strdup_or_goto(pev->args[i].var, + nomem_out); + if (pev->args[i].type) + tev->args[i].type = + strdup_or_goto(pev->args[i].type, + nomem_out); } } - if (pev->uprobes) - return 1; +out: + if (map && pev->uprobes) { + /* Only when using uprobe(exec) map needs to be released */ + dso__delete(map->dso); + map__delete(map); + } + return ret; - /* Currently just checking function name from symbol map */ - sym = __find_kernel_function_by_name(tev->point.symbol, NULL); - if (!sym) { - pr_warning("Kernel symbol \'%s\' not found.\n", - tev->point.symbol); - ret = -ENOENT; - goto error; - } else if (tev->point.offset > sym->end - sym->start) { - pr_warning("Offset specified is greater than size of %s\n", - tev->point.symbol); - ret = -ENOENT; - goto error; +nomem_out: + ret = -ENOMEM; +err_out: + clear_probe_trace_events(*tevs, num_matched_functions); + zfree(tevs); + goto out; +} +static int convert_to_probe_trace_events(struct perf_probe_event *pev, + struct probe_trace_event **tevs, + int max_tevs, const char *target) +{ + int ret; + + if (pev->uprobes && !pev->group) { + /* Replace group name if not given */ + ret = convert_exec_to_group(target, &pev->group); + if (ret != 0) { + pr_warning("Failed to make a group name.\n"); + return ret; + } } - return 1; -error: - clear_probe_trace_event(tev); - free(tev); - *tevs = NULL; - return ret; + /* Convert perf_probe_event with debuginfo */ + ret = try_to_find_probe_trace_events(pev, tevs, max_tevs, target); + if (ret != 0) + return ret; /* Found in debuginfo or got an error */ + + return find_probe_trace_events_from_map(pev, tevs, max_tevs, target); } struct __event_package { @@ -2020,12 +2339,7 @@ int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, if (pkgs == NULL) return -ENOMEM; - if (!pevs->uprobes) - /* Init vmlinux path */ - ret = init_vmlinux(); - else - ret = init_user_exec(); - + ret = init_symbol_maps(pevs->uprobes); if (ret < 0) { free(pkgs); return ret; @@ -2056,9 +2370,10 @@ end: for (i = 0; i < npevs; i++) { for (j = 0; j < pkgs[i].ntevs; j++) clear_probe_trace_event(&pkgs[i].tevs[j]); - free(pkgs[i].tevs); + zfree(&pkgs[i].tevs); } free(pkgs); + exit_symbol_maps(); return ret; } @@ -2208,166 +2523,51 @@ static struct strfilter *available_func_filter; static int filter_available_functions(struct map *map __maybe_unused, struct symbol *sym) { - if (sym->binding == STB_GLOBAL && + if ((sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL) && strfilter__compare(available_func_filter, sym->name)) return 0; return 1; } -static int __show_available_funcs(struct map *map) -{ - if (map__load(map, filter_available_functions)) { - pr_err("Failed to load map.\n"); - return -EINVAL; - } - if (!dso__sorted_by_name(map->dso, map->type)) - dso__sort_by_name(map->dso, map->type); - - dso__fprintf_symbols_by_name(map->dso, map->type, stdout); - return 0; -} - -static int available_kernel_funcs(const char *module) +int show_available_funcs(const char *target, struct strfilter *_filter, + bool user) { struct map *map; int ret; - ret = init_vmlinux(); + ret = init_symbol_maps(user); if (ret < 0) return ret; - map = kernel_get_module_map(module); + /* Get a symbol map */ + if (user) + map = dso__new_map(target); + else + map = kernel_get_module_map(target); if (!map) { - pr_err("Failed to find %s map.\n", (module) ? : "kernel"); + pr_err("Failed to get a map for %s\n", (target) ? : "kernel"); return -EINVAL; } - return __show_available_funcs(map); -} -static int available_user_funcs(const char *target) -{ - struct map *map; - int ret; - - ret = init_user_exec(); - if (ret < 0) - return ret; - - map = dso__new_map(target); - ret = __show_available_funcs(map); - dso__delete(map->dso); - map__delete(map); - return ret; -} - -int show_available_funcs(const char *target, struct strfilter *_filter, - bool user) -{ - setup_pager(); + /* Load symbols with given filter */ available_func_filter = _filter; - - if (!user) - return available_kernel_funcs(target); - - return available_user_funcs(target); -} - -/* - * uprobe_events only accepts address: - * Convert function and any offset to address - */ -static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec) -{ - struct perf_probe_point *pp = &pev->point; - struct symbol *sym; - struct map *map = NULL; - char *function = NULL, *name = NULL; - int ret = -EINVAL; - unsigned long long vaddr = 0; - - if (!pp->function) { - pr_warning("No function specified for uprobes"); - goto out; - } - - function = strdup(pp->function); - if (!function) { - pr_warning("Failed to allocate memory by strdup.\n"); - ret = -ENOMEM; - goto out; - } - - name = realpath(exec, NULL); - if (!name) { - pr_warning("Cannot find realpath for %s.\n", exec); - goto out; - } - map = dso__new_map(name); - if (!map) { - pr_warning("Cannot find appropriate DSO for %s.\n", exec); - goto out; - } - available_func_filter = strfilter__new(function, NULL); if (map__load(map, filter_available_functions)) { - pr_err("Failed to load map.\n"); - goto out; - } - - sym = map__find_symbol_by_name(map, function, NULL); - if (!sym) { - pr_warning("Cannot find %s in DSO %s\n", function, exec); - goto out; - } - - if (map->start > sym->start) - vaddr = map->start; - vaddr += sym->start + pp->offset + map->pgoff; - pp->offset = 0; - - if (!pev->event) { - pev->event = function; - function = NULL; - } - if (!pev->group) { - char *ptr1, *ptr2, *exec_copy; - - pev->group = zalloc(sizeof(char *) * 64); - exec_copy = strdup(exec); - if (!exec_copy) { - ret = -ENOMEM; - pr_warning("Failed to copy exec string.\n"); - goto out; - } - - ptr1 = strdup(basename(exec_copy)); - if (ptr1) { - ptr2 = strpbrk(ptr1, "-._"); - if (ptr2) - *ptr2 = '\0'; - e_snprintf(pev->group, 64, "%s_%s", PERFPROBE_GROUP, - ptr1); - free(ptr1); - } - free(exec_copy); - } - free(pp->function); - pp->function = zalloc(sizeof(char *) * MAX_PROBE_ARGS); - if (!pp->function) { - ret = -ENOMEM; - pr_warning("Failed to allocate memory by zalloc.\n"); - goto out; + pr_err("Failed to load symbols in %s\n", (target) ? : "kernel"); + goto end; } - e_snprintf(pp->function, MAX_PROBE_ARGS, "0x%llx", vaddr); - ret = 0; + if (!dso__sorted_by_name(map->dso, map->type)) + dso__sort_by_name(map->dso, map->type); -out: - if (map) { + /* Show all (filtered) symbols */ + setup_pager(); + dso__fprintf_symbols_by_name(map->dso, map->type, stdout); +end: + if (user) { dso__delete(map->dso); map__delete(map); } - if (function) - free(function); - if (name) - free(name); + exit_symbol_maps(); + return ret; } + diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h index f9f3de8b422..776c9347a3b 100644 --- a/tools/perf/util/probe-event.h +++ b/tools/perf/util/probe-event.h @@ -2,6 +2,7 @@ #define _PROBE_EVENT_H #include <stdbool.h> +#include "intlist.h" #include "strlist.h" #include "strfilter.h" @@ -12,6 +13,7 @@ struct probe_trace_point { char *symbol; /* Base symbol */ char *module; /* Module name */ unsigned long offset; /* Offset from symbol */ + unsigned long address; /* Actual address of the trace point */ bool retprobe; /* Return probe flag */ }; @@ -75,13 +77,6 @@ struct perf_probe_event { struct perf_probe_arg *args; /* Arguments */ }; - -/* Line number container */ -struct line_node { - struct list_head list; - int line; -}; - /* Line range */ struct line_range { char *file; /* File name */ @@ -91,7 +86,7 @@ struct line_range { int offset; /* Start line offset */ char *path; /* Real path name */ char *comp_dir; /* Compile directory */ - struct list_head line_list; /* Visible lines */ + struct intlist *line_list; /* Visible lines */ }; /* List of variables */ @@ -119,6 +114,12 @@ extern void clear_perf_probe_event(struct perf_probe_event *pev); /* Command string to line-range */ extern int parse_line_range_desc(const char *cmd, struct line_range *lr); +/* Release line range members */ +extern void line_range__clear(struct line_range *lr); + +/* Initialize line range */ +extern int line_range__init(struct line_range *lr); + /* Internal use: Return kernel/module path */ extern const char *kernel_get_module_path(const char *module); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index ffb657ffd32..98e30476641 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -34,7 +34,9 @@ #include <linux/bitops.h> #include "event.h" +#include "dso.h" #include "debug.h" +#include "intlist.h" #include "util.h" #include "symbol.h" #include "probe-finder.h" @@ -42,65 +44,6 @@ /* Kprobe tracer basic type is up to u64 */ #define MAX_BASIC_TYPE_BITS 64 -/* Line number list operations */ - -/* Add a line to line number list */ -static int line_list__add_line(struct list_head *head, int line) -{ - struct line_node *ln; - struct list_head *p; - - /* Reverse search, because new line will be the last one */ - list_for_each_entry_reverse(ln, head, list) { - if (ln->line < line) { - p = &ln->list; - goto found; - } else if (ln->line == line) /* Already exist */ - return 1; - } - /* List is empty, or the smallest entry */ - p = head; -found: - pr_debug("line list: add a line %u\n", line); - ln = zalloc(sizeof(struct line_node)); - if (ln == NULL) - return -ENOMEM; - ln->line = line; - INIT_LIST_HEAD(&ln->list); - list_add(&ln->list, p); - return 0; -} - -/* Check if the line in line number list */ -static int line_list__has_line(struct list_head *head, int line) -{ - struct line_node *ln; - - /* Reverse search, because new line will be the last one */ - list_for_each_entry(ln, head, list) - if (ln->line == line) - return 1; - - return 0; -} - -/* Init line number list */ -static void line_list__init(struct list_head *head) -{ - INIT_LIST_HEAD(head); -} - -/* Free line number list */ -static void line_list__free(struct list_head *head) -{ - struct line_node *ln; - while (!list_empty(head)) { - ln = list_first_entry(head, struct line_node, list); - list_del(&ln->list); - free(ln); - } -} - /* Dwarf FL wrappers */ static char *debuginfo_path; /* Currently dummy */ @@ -147,106 +90,52 @@ error: return -ENOENT; } -#if _ELFUTILS_PREREQ(0, 148) -/* This method is buggy if elfutils is older than 0.148 */ -static int __linux_kernel_find_elf(Dwfl_Module *mod, - void **userdata, - const char *module_name, - Dwarf_Addr base, - char **file_name, Elf **elfp) -{ - int fd; - const char *path = kernel_get_module_path(module_name); - - pr_debug2("Use file %s for %s\n", path, module_name); - if (path) { - fd = open(path, O_RDONLY); - if (fd >= 0) { - *file_name = strdup(path); - return fd; - } - } - /* If failed, try to call standard method */ - return dwfl_linux_kernel_find_elf(mod, userdata, module_name, base, - file_name, elfp); -} - -static const Dwfl_Callbacks kernel_callbacks = { - .find_debuginfo = dwfl_standard_find_debuginfo, - .debuginfo_path = &debuginfo_path, - - .find_elf = __linux_kernel_find_elf, - .section_address = dwfl_linux_kernel_module_section_address, -}; - -/* Get a Dwarf from live kernel image */ -static int debuginfo__init_online_kernel_dwarf(struct debuginfo *dbg, - Dwarf_Addr addr) -{ - dbg->dwfl = dwfl_begin(&kernel_callbacks); - if (!dbg->dwfl) - return -EINVAL; - - /* Load the kernel dwarves: Don't care the result here */ - dwfl_linux_kernel_report_kernel(dbg->dwfl); - dwfl_linux_kernel_report_modules(dbg->dwfl); - - dbg->dbg = dwfl_addrdwarf(dbg->dwfl, addr, &dbg->bias); - /* Here, check whether we could get a real dwarf */ - if (!dbg->dbg) { - pr_debug("Failed to find kernel dwarf at %lx\n", - (unsigned long)addr); - dwfl_end(dbg->dwfl); - memset(dbg, 0, sizeof(*dbg)); - return -ENOENT; - } - - return 0; -} -#else -/* With older elfutils, this just support kernel module... */ -static int debuginfo__init_online_kernel_dwarf(struct debuginfo *dbg, - Dwarf_Addr addr __maybe_unused) -{ - const char *path = kernel_get_module_path("kernel"); - - if (!path) { - pr_err("Failed to find vmlinux path\n"); - return -ENOENT; - } - - pr_debug2("Use file %s for debuginfo\n", path); - return debuginfo__init_offline_dwarf(dbg, path); -} -#endif - -struct debuginfo *debuginfo__new(const char *path) +static struct debuginfo *__debuginfo__new(const char *path) { struct debuginfo *dbg = zalloc(sizeof(*dbg)); if (!dbg) return NULL; - if (debuginfo__init_offline_dwarf(dbg, path) < 0) { - free(dbg); - dbg = NULL; - } - + if (debuginfo__init_offline_dwarf(dbg, path) < 0) + zfree(&dbg); + if (dbg) + pr_debug("Open Debuginfo file: %s\n", path); return dbg; } -struct debuginfo *debuginfo__new_online_kernel(unsigned long addr) -{ - struct debuginfo *dbg = zalloc(sizeof(*dbg)); +enum dso_binary_type distro_dwarf_types[] = { + DSO_BINARY_TYPE__FEDORA_DEBUGINFO, + DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, + DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, + DSO_BINARY_TYPE__BUILDID_DEBUGINFO, + DSO_BINARY_TYPE__NOT_FOUND, +}; - if (!dbg) - return NULL; +struct debuginfo *debuginfo__new(const char *path) +{ + enum dso_binary_type *type; + char buf[PATH_MAX], nil = '\0'; + struct dso *dso; + struct debuginfo *dinfo = NULL; + + /* Try to open distro debuginfo files */ + dso = dso__new(path); + if (!dso) + goto out; - if (debuginfo__init_online_kernel_dwarf(dbg, (Dwarf_Addr)addr) < 0) { - free(dbg); - dbg = NULL; + for (type = distro_dwarf_types; + !dinfo && *type != DSO_BINARY_TYPE__NOT_FOUND; + type++) { + if (dso__read_binary_type_filename(dso, *type, &nil, + buf, PATH_MAX) < 0) + continue; + dinfo = __debuginfo__new(buf); } + dso__delete(dso); - return dbg; +out: + /* if failed to open all distro debuginfo, open given binary */ + return dinfo ? : __debuginfo__new(path); } void debuginfo__delete(struct debuginfo *dbg) @@ -622,12 +511,12 @@ static int convert_variable(Dwarf_Die *vr_die, struct probe_finder *pf) ret = convert_variable_location(vr_die, pf->addr, pf->fb_ops, &pf->sp_die, pf->tvar); - if (ret == -ENOENT) + if (ret == -ENOENT || ret == -EINVAL) pr_err("Failed to find the location of %s at this address.\n" " Perhaps, it has been optimized out.\n", pf->pvar->var); else if (ret == -ENOTSUP) pr_err("Sorry, we don't support this variable location yet.\n"); - else if (pf->pvar->field) { + else if (ret == 0 && pf->pvar->field) { ret = convert_variable_fields(vr_die, pf->pvar->var, pf->pvar->field, &pf->tvar->ref, &die_mem); @@ -684,14 +573,13 @@ static int find_variable(Dwarf_Die *sc_die, struct probe_finder *pf) if (!die_find_variable_at(sc_die, pf->pvar->var, pf->addr, &vr_die)) { /* Search again in global variables */ if (!die_find_variable_at(&pf->cu_die, pf->pvar->var, 0, &vr_die)) + pr_warning("Failed to find '%s' in this function.\n", + pf->pvar->var); ret = -ENOENT; } if (ret >= 0) ret = convert_variable(&vr_die, pf); - if (ret < 0) - pr_warning("Failed to find '%s' in this function.\n", - pf->pvar->var); return ret; } @@ -729,6 +617,7 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwfl_Module *mod, return -ENOENT; } tp->offset = (unsigned long)(paddr - sym.st_value); + tp->address = (unsigned long)paddr; tp->symbol = strdup(symbol); if (!tp->symbol) return -ENOMEM; @@ -883,7 +772,7 @@ static int find_probe_point_by_line(struct probe_finder *pf) } /* Find lines which match lazy pattern */ -static int find_lazy_match_lines(struct list_head *head, +static int find_lazy_match_lines(struct intlist *list, const char *fname, const char *pat) { FILE *fp; @@ -904,7 +793,7 @@ static int find_lazy_match_lines(struct list_head *head, line[len - 1] = '\0'; if (strlazymatch(line, pat)) { - line_list__add_line(head, linenum); + intlist__add(list, linenum); count++; } linenum++; @@ -927,7 +816,7 @@ static int probe_point_lazy_walker(const char *fname, int lineno, Dwarf_Die *sc_die, die_mem; int ret; - if (!line_list__has_line(&pf->lcache, lineno) || + if (!intlist__has_entry(pf->lcache, lineno) || strtailcmp(fname, pf->fname) != 0) return 0; @@ -955,9 +844,9 @@ static int find_probe_point_lazy(Dwarf_Die *sp_die, struct probe_finder *pf) { int ret = 0; - if (list_empty(&pf->lcache)) { + if (intlist__empty(pf->lcache)) { /* Matching lazy line pattern */ - ret = find_lazy_match_lines(&pf->lcache, pf->fname, + ret = find_lazy_match_lines(pf->lcache, pf->fname, pf->pev->point.lazy_line); if (ret <= 0) return ret; @@ -1095,11 +984,13 @@ static int debuginfo__find_probes(struct debuginfo *dbg, #if _ELFUTILS_PREREQ(0, 142) /* Get the call frame information from this dwarf */ - pf->cfi = dwarf_getcfi(dbg->dbg); + pf->cfi = dwarf_getcfi_elf(dwarf_getelf(dbg->dbg)); #endif off = 0; - line_list__init(&pf->lcache); + pf->lcache = intlist__new(NULL); + if (!pf->lcache) + return -ENOMEM; /* Fastpath: lookup by function name from .debug_pubnames section */ if (pp->function) { @@ -1152,7 +1043,8 @@ static int debuginfo__find_probes(struct debuginfo *dbg, } found: - line_list__free(&pf->lcache); + intlist__delete(pf->lcache); + pf->lcache = NULL; return ret; } @@ -1301,8 +1193,7 @@ int debuginfo__find_trace_events(struct debuginfo *dbg, ret = debuginfo__find_probes(dbg, &tf.pf); if (ret < 0) { - free(*tevs); - *tevs = NULL; + zfree(tevs); return ret; } @@ -1389,7 +1280,11 @@ out: return ret; } -/* Find available variables at given probe point */ +/* + * Find available variables at given probe point + * Return the number of found probe points. Return 0 if there is no + * matched probe point. Return <0 if an error occurs. + */ int debuginfo__find_available_vars_at(struct debuginfo *dbg, struct perf_probe_event *pev, struct variable_list **vls, @@ -1413,13 +1308,10 @@ int debuginfo__find_available_vars_at(struct debuginfo *dbg, if (ret < 0) { /* Free vlist for error */ while (af.nvls--) { - if (af.vls[af.nvls].point.symbol) - free(af.vls[af.nvls].point.symbol); - if (af.vls[af.nvls].vars) - strlist__delete(af.vls[af.nvls].vars); + zfree(&af.vls[af.nvls].point.symbol); + strlist__delete(af.vls[af.nvls].vars); } - free(af.vls); - *vls = NULL; + zfree(vls); return ret; } @@ -1523,10 +1415,7 @@ post: if (fname) { ppt->file = strdup(fname); if (ppt->file == NULL) { - if (ppt->function) { - free(ppt->function); - ppt->function = NULL; - } + zfree(&ppt->function); ret = -ENOMEM; goto end; } @@ -1547,7 +1436,7 @@ static int line_range_add_line(const char *src, unsigned int lineno, if (lr->path == NULL) return -ENOMEM; } - return line_list__add_line(&lr->line_list, lineno); + return intlist__add(lr->line_list, lineno); } static int line_range_walk_cb(const char *fname, int lineno, @@ -1555,13 +1444,15 @@ static int line_range_walk_cb(const char *fname, int lineno, void *data) { struct line_finder *lf = data; + int err; if ((strtailcmp(fname, lf->fname) != 0) || (lf->lno_s > lineno || lf->lno_e < lineno)) return 0; - if (line_range_add_line(fname, lineno, lf->lr) < 0) - return -EINVAL; + err = line_range_add_line(fname, lineno, lf->lr); + if (err < 0 && err != -EEXIST) + return err; return 0; } @@ -1575,27 +1466,27 @@ static int find_line_range_by_line(Dwarf_Die *sp_die, struct line_finder *lf) /* Update status */ if (ret >= 0) - if (!list_empty(&lf->lr->line_list)) + if (!intlist__empty(lf->lr->line_list)) ret = lf->found = 1; else ret = 0; /* Lines are not found */ else { - free(lf->lr->path); - lf->lr->path = NULL; + zfree(&lf->lr->path); } return ret; } static int line_range_inline_cb(Dwarf_Die *in_die, void *data) { - find_line_range_by_line(in_die, data); + int ret = find_line_range_by_line(in_die, data); /* * We have to check all instances of inlined function, because * some execution paths can be optimized out depends on the - * function argument of instances + * function argument of instances. However, if an error occurs, + * it should be handled by the caller. */ - return 0; + return ret < 0 ? ret : 0; } /* Search function definition from function name */ diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index ffc33cdd25c..92590b2c7e1 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -3,6 +3,7 @@ #include <stdbool.h> #include "util.h" +#include "intlist.h" #include "probe-event.h" #define MAX_PROBE_BUFFER 1024 @@ -29,8 +30,8 @@ struct debuginfo { Dwarf_Addr bias; }; +/* This also tries to open distro debuginfo */ extern struct debuginfo *debuginfo__new(const char *path); -extern struct debuginfo *debuginfo__new_online_kernel(unsigned long addr); extern void debuginfo__delete(struct debuginfo *dbg); /* Find probe_trace_events specified by perf_probe_event from debuginfo */ @@ -66,7 +67,7 @@ struct probe_finder { const char *fname; /* Real file name */ Dwarf_Die cu_die; /* Current CU */ Dwarf_Die sp_die; - struct list_head lcache; /* Line cache for lazy match */ + struct intlist *lcache; /* Line cache for lazy match */ /* For variable searching */ #if _ELFUTILS_PREREQ(0, 142) diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources index 239036fb2b2..16a475a7d49 100644 --- a/tools/perf/util/python-ext-sources +++ b/tools/perf/util/python-ext-sources @@ -17,5 +17,6 @@ util/xyarray.c util/cgroup.c util/rblist.c util/strlist.c -util/fs.c +../lib/api/fs/fs.c +util/trace-event.c ../../lib/rbtree.c diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 4bf8ace7f51..122669c18ff 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -908,9 +908,10 @@ static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) if (i >= pevlist->evlist.nr_entries) return NULL; - list_for_each_entry(pos, &pevlist->evlist.entries, node) + evlist__for_each(&pevlist->evlist, pos) { if (i-- == 0) break; + } return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel)); } diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index c8845b107f6..049e0a09ccd 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -2,7 +2,7 @@ #include "evsel.h" #include "cpumap.h" #include "parse-events.h" -#include "fs.h" +#include <api/fs/fs.h> #include "util.h" typedef void (*setup_probe_fn_t)(struct perf_evsel *evsel); @@ -74,8 +74,7 @@ bool perf_can_sample_identifier(void) return perf_probe_api(perf_probe_sample_identifier); } -void perf_evlist__config(struct perf_evlist *evlist, - struct perf_record_opts *opts) +void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts) { struct perf_evsel *evsel; bool use_sample_identifier = false; @@ -90,19 +89,19 @@ void perf_evlist__config(struct perf_evlist *evlist, if (evlist->cpus->map[0] < 0) opts->no_inherit = true; - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) perf_evsel__config(evsel, opts); if (evlist->nr_entries > 1) { struct perf_evsel *first = perf_evlist__first(evlist); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->attr.sample_type == first->attr.sample_type) continue; use_sample_identifier = perf_can_sample_identifier(); break; } - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) perf_evsel__set_sample_id(evsel, use_sample_identifier); } @@ -123,7 +122,7 @@ static int get_max_rate(unsigned int *rate) return filename__read_int(path, (int *) rate); } -static int perf_record_opts__config_freq(struct perf_record_opts *opts) +static int record_opts__config_freq(struct record_opts *opts) { bool user_freq = opts->user_freq != UINT_MAX; unsigned int max_rate; @@ -173,7 +172,44 @@ static int perf_record_opts__config_freq(struct perf_record_opts *opts) return 0; } -int perf_record_opts__config(struct perf_record_opts *opts) +int record_opts__config(struct record_opts *opts) { - return perf_record_opts__config_freq(opts); + return record_opts__config_freq(opts); +} + +bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str) +{ + struct perf_evlist *temp_evlist; + struct perf_evsel *evsel; + int err, fd, cpu; + bool ret = false; + + temp_evlist = perf_evlist__new(); + if (!temp_evlist) + return false; + + err = parse_events(temp_evlist, str); + if (err) + goto out_delete; + + evsel = perf_evlist__last(temp_evlist); + + if (!evlist || cpu_map__empty(evlist->cpus)) { + struct cpu_map *cpus = cpu_map__new(NULL); + + cpu = cpus ? cpus->map[0] : 0; + cpu_map__delete(cpus); + } else { + cpu = evlist->cpus->map[0]; + } + + fd = sys_perf_event_open(&evsel->attr, -1, cpu, -1, 0); + if (fd >= 0) { + close(fd); + ret = true; + } + +out_delete: + perf_evlist__delete(temp_evlist); + return ret; } diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c index d5e5969f6fe..af7da565a75 100644 --- a/tools/perf/util/scripting-engines/trace-event-perl.c +++ b/tools/perf/util/scripting-engines/trace-event-perl.c @@ -194,8 +194,7 @@ static void define_event_symbols(struct event_format *event, zero_flag_atom = 0; break; case PRINT_FIELD: - if (cur_field_name) - free(cur_field_name); + free(cur_field_name); cur_field_name = strdup(args->field.name); break; case PRINT_FLAGS: @@ -216,6 +215,7 @@ static void define_event_symbols(struct event_format *event, case PRINT_BSTRING: case PRINT_DYNAMIC_ARRAY: case PRINT_STRING: + case PRINT_BITMASK: break; case PRINT_TYPE: define_event_symbols(event, ev_name, args->typecast.item); @@ -257,12 +257,9 @@ static inline struct event_format *find_cache_event(struct perf_evsel *evsel) return event; } -static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused, - struct perf_sample *sample, +static void perl_process_tracepoint(struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine __maybe_unused, - struct thread *thread, - struct addr_location *al) + struct thread *thread) { struct format_field *field; static char handler[256]; @@ -349,10 +346,7 @@ static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused, static void perl_process_event_generic(union perf_event *event, struct perf_sample *sample, - struct perf_evsel *evsel, - struct machine *machine __maybe_unused, - struct thread *thread __maybe_unused, - struct addr_location *al __maybe_unused) + struct perf_evsel *evsel) { dSP; @@ -377,12 +371,11 @@ static void perl_process_event_generic(union perf_event *event, static void perl_process_event(union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine, struct thread *thread, - struct addr_location *al) + struct addr_location *al __maybe_unused) { - perl_process_tracepoint(event, sample, evsel, machine, thread, al); - perl_process_event_generic(event, sample, evsel, machine, thread, al); + perl_process_tracepoint(sample, evsel, thread); + perl_process_event_generic(event, sample, evsel); } static void run_start_sub(void) diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 53c20e7fd90..1c419321f70 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -161,8 +161,7 @@ static void define_event_symbols(struct event_format *event, zero_flag_atom = 0; break; case PRINT_FIELD: - if (cur_field_name) - free(cur_field_name); + free(cur_field_name); cur_field_name = strdup(args->field.name); break; case PRINT_FLAGS: @@ -198,6 +197,7 @@ static void define_event_symbols(struct event_format *event, case PRINT_BSTRING: case PRINT_DYNAMIC_ARRAY: case PRINT_FUNC: + case PRINT_BITMASK: /* we should warn... */ return; } @@ -231,13 +231,10 @@ static inline struct event_format *find_cache_event(struct perf_evsel *evsel) return event; } -static void python_process_tracepoint(union perf_event *perf_event - __maybe_unused, - struct perf_sample *sample, - struct perf_evsel *evsel, - struct machine *machine __maybe_unused, - struct thread *thread, - struct addr_location *al) +static void python_process_tracepoint(struct perf_sample *sample, + struct perf_evsel *evsel, + struct thread *thread, + struct addr_location *al) { PyObject *handler, *retval, *context, *t, *obj, *dict = NULL; static char handler_name[256]; @@ -351,11 +348,8 @@ static void python_process_tracepoint(union perf_event *perf_event Py_DECREF(t); } -static void python_process_general_event(union perf_event *perf_event - __maybe_unused, - struct perf_sample *sample, +static void python_process_general_event(struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine __maybe_unused, struct thread *thread, struct addr_location *al) { @@ -411,22 +405,19 @@ exit: Py_DECREF(t); } -static void python_process_event(union perf_event *perf_event, +static void python_process_event(union perf_event *event __maybe_unused, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine, struct thread *thread, struct addr_location *al) { switch (evsel->attr.type) { case PERF_TYPE_TRACEPOINT: - python_process_tracepoint(perf_event, sample, evsel, - machine, thread, al); + python_process_tracepoint(sample, evsel, thread, al); break; /* Reserve for future process_hw/sw/raw APIs */ default: - python_process_general_event(perf_event, sample, evsel, - machine, thread, al); + python_process_general_event(sample, evsel, thread, al); } } @@ -632,6 +623,7 @@ static int python_generate_script(struct pevent *pevent, const char *outfile) fprintf(ofp, "%s=", f->name); if (f->flags & FIELD_IS_STRING || f->flags & FIELD_IS_FLAG || + f->flags & FIELD_IS_ARRAY || f->flags & FIELD_IS_SYMBOLIC) fprintf(ofp, "%%s"); else if (f->flags & FIELD_IS_SIGNED) diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index f36d24a0244..64a186edc7b 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -132,18 +132,18 @@ static void perf_session__delete_threads(struct perf_session *session) static void perf_session_env__delete(struct perf_session_env *env) { - free(env->hostname); - free(env->os_release); - free(env->version); - free(env->arch); - free(env->cpu_desc); - free(env->cpuid); + zfree(&env->hostname); + zfree(&env->os_release); + zfree(&env->version); + zfree(&env->arch); + zfree(&env->cpu_desc); + zfree(&env->cpuid); - free(env->cmdline); - free(env->sibling_cores); - free(env->sibling_threads); - free(env->numa_nodes); - free(env->pmu_mappings); + zfree(&env->cmdline); + zfree(&env->sibling_cores); + zfree(&env->sibling_threads); + zfree(&env->numa_nodes); + zfree(&env->pmu_mappings); } void perf_session__delete(struct perf_session *session) @@ -247,27 +247,6 @@ void perf_tool__fill_defaults(struct perf_tool *tool) } } -void mem_bswap_32(void *src, int byte_size) -{ - u32 *m = src; - while (byte_size > 0) { - *m = bswap_32(*m); - byte_size -= sizeof(u32); - ++m; - } -} - -void mem_bswap_64(void *src, int byte_size) -{ - u64 *m = src; - - while (byte_size > 0) { - *m = bswap_64(*m); - byte_size -= sizeof(u64); - ++m; - } -} - static void swap_sample_id_all(union perf_event *event, void *data) { void *end = (void *) event + event->header.size; @@ -723,11 +702,12 @@ static void regs_dump__printf(u64 mask, u64 *regs) } } -static void regs_user__printf(struct perf_sample *sample, u64 mask) +static void regs_user__printf(struct perf_sample *sample) { struct regs_dump *user_regs = &sample->user_regs; if (user_regs->regs) { + u64 mask = user_regs->mask; printf("... user regs: mask 0x%" PRIx64 "\n", mask); regs_dump__printf(mask, user_regs->regs); } @@ -814,7 +794,7 @@ static void dump_sample(struct perf_evsel *evsel, union perf_event *event, if (!dump_trace) return; - printf("(IP, %d): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", + printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", event->header.misc, sample->pid, sample->tid, sample->ip, sample->period, sample->addr); @@ -827,7 +807,7 @@ static void dump_sample(struct perf_evsel *evsel, union perf_event *event, branch_stack__printf(sample); if (sample_type & PERF_SAMPLE_REGS_USER) - regs_user__printf(sample, evsel->attr.sample_regs_user); + regs_user__printf(sample); if (sample_type & PERF_SAMPLE_STACK_USER) stack_user__printf(&sample->user_stack); @@ -851,6 +831,7 @@ static struct machine * struct perf_sample *sample) { const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; + struct machine *machine; if (perf_guest && ((cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || @@ -863,7 +844,11 @@ static struct machine * else pid = sample->pid; - return perf_session__findnew_machine(session, pid); + machine = perf_session__find_machine(session, pid); + if (!machine) + machine = perf_session__findnew_machine(session, + DEFAULT_GUEST_KERNEL_ID); + return machine; } return &session->machines.host; @@ -1024,6 +1009,12 @@ static int perf_session__process_user_event(struct perf_session *session, union if (err == 0) perf_session__set_id_hdr_size(session); return err; + case PERF_RECORD_HEADER_EVENT_TYPE: + /* + * Depreceated, but we need to handle it for sake + * of old data files create in pipe mode. + */ + return 0; case PERF_RECORD_HEADER_TRACING_DATA: /* setup for reading amidst mmap */ lseek(fd, file_offset, SEEK_SET); @@ -1158,7 +1149,7 @@ static int __perf_session__process_pipe_events(struct perf_session *session, void *buf = NULL; int skip = 0; u64 head; - int err; + ssize_t err; void *p; perf_tool__fill_defaults(tool); @@ -1400,7 +1391,7 @@ bool perf_session__has_traces(struct perf_session *session, const char *msg) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { if (evsel->attr.type == PERF_TYPE_TRACEPOINT) return true; } @@ -1458,7 +1449,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) ret += events_stats__fprintf(&session->stats, fp); - list_for_each_entry(pos, &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos)); ret += events_stats__fprintf(&pos->hists.stats, fp); } @@ -1480,35 +1471,30 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, { struct perf_evsel *pos; - list_for_each_entry(pos, &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { if (pos->attr.type == type) return pos; } return NULL; } -void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, - struct perf_sample *sample, struct machine *machine, +void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample, + struct addr_location *al, unsigned int print_opts, unsigned int stack_depth) { - struct addr_location al; struct callchain_cursor_node *node; int print_ip = print_opts & PRINT_IP_OPT_IP; int print_sym = print_opts & PRINT_IP_OPT_SYM; int print_dso = print_opts & PRINT_IP_OPT_DSO; int print_symoffset = print_opts & PRINT_IP_OPT_SYMOFFSET; int print_oneline = print_opts & PRINT_IP_OPT_ONELINE; + int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE; char s = print_oneline ? ' ' : '\t'; - if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { - error("problem processing %d event, skipping it.\n", - event->header.type); - return; - } - if (symbol_conf.use_callchain && sample->callchain) { + struct addr_location node_al; - if (machine__resolve_callchain(machine, evsel, al.thread, + if (machine__resolve_callchain(al->machine, evsel, al->thread, sample, NULL, NULL, PERF_MAX_STACK_DEPTH) != 0) { if (verbose) @@ -1517,20 +1503,31 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, } callchain_cursor_commit(&callchain_cursor); + if (print_symoffset) + node_al = *al; + while (stack_depth) { + u64 addr = 0; + node = callchain_cursor_current(&callchain_cursor); if (!node) break; + if (node->sym && node->sym->ignore) + goto next; + if (print_ip) printf("%c%16" PRIx64, s, node->ip); + if (node->map) + addr = node->map->map_ip(node->map, node->ip); + if (print_sym) { printf(" "); if (print_symoffset) { - al.addr = node->ip; - al.map = node->map; - symbol__fprintf_symname_offs(node->sym, &al, stdout); + node_al.addr = addr; + node_al.map = node->map; + symbol__fprintf_symname_offs(node->sym, &node_al, stdout); } else symbol__fprintf_symname(node->sym, stdout); } @@ -1541,39 +1538,49 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, printf(")"); } + if (print_srcline) + map__fprintf_srcline(node->map, addr, "\n ", + stdout); + if (!print_oneline) printf("\n"); - callchain_cursor_advance(&callchain_cursor); - stack_depth--; +next: + callchain_cursor_advance(&callchain_cursor); } } else { + if (al->sym && al->sym->ignore) + return; + if (print_ip) printf("%16" PRIx64, sample->ip); if (print_sym) { printf(" "); if (print_symoffset) - symbol__fprintf_symname_offs(al.sym, &al, + symbol__fprintf_symname_offs(al->sym, al, stdout); else - symbol__fprintf_symname(al.sym, stdout); + symbol__fprintf_symname(al->sym, stdout); } if (print_dso) { printf(" ("); - map__fprintf_dsoname(al.map, stdout); + map__fprintf_dsoname(al->map, stdout); printf(")"); } + + if (print_srcline) + map__fprintf_srcline(al->map, al->addr, "\n ", stdout); } } int perf_session__cpu_bitmap(struct perf_session *session, const char *cpu_list, unsigned long *cpu_bitmap) { - int i; + int i, err = -1; struct cpu_map *map; for (i = 0; i < PERF_TYPE_MAX; ++i) { @@ -1602,25 +1609,30 @@ int perf_session__cpu_bitmap(struct perf_session *session, if (cpu >= MAX_NR_CPUS) { pr_err("Requested CPU %d too large. " "Consider raising MAX_NR_CPUS\n", cpu); - return -1; + goto out_delete_map; } set_bit(cpu, cpu_bitmap); } - return 0; + err = 0; + +out_delete_map: + cpu_map__delete(map); + return err; } void perf_session__fprintf_info(struct perf_session *session, FILE *fp, bool full) { - int fd = perf_data_file__fd(session->file); struct stat st; - int ret; + int fd, ret; if (session == NULL || fp == NULL) return; + fd = perf_data_file__fd(session->file); + ret = fstat(fd, &st); if (ret == -1) return; diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 50f640958f0..3140f8ae614 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -1,6 +1,7 @@ #ifndef __PERF_SESSION_H #define __PERF_SESSION_H +#include "trace-event.h" #include "hist.h" #include "event.h" #include "header.h" @@ -32,7 +33,7 @@ struct perf_session { struct perf_header header; struct machines machines; struct perf_evlist *evlist; - struct pevent *pevent; + struct trace_event tevent; struct events_stats stats; bool repipe; struct ordered_samples ordered_samples; @@ -44,6 +45,7 @@ struct perf_session { #define PRINT_IP_OPT_DSO (1<<2) #define PRINT_IP_OPT_SYMOFFSET (1<<3) #define PRINT_IP_OPT_ONELINE (1<<4) +#define PRINT_IP_OPT_SRCLINE (1<<5) struct perf_tool; @@ -72,8 +74,6 @@ int perf_session__resolve_callchain(struct perf_session *session, bool perf_session__has_traces(struct perf_session *session, const char *msg); -void mem_bswap_64(void *src, int byte_size); -void mem_bswap_32(void *src, int byte_size); void perf_event__attr_swap(struct perf_event_attr *attr); int perf_session__create_kernel_maps(struct perf_session *session); @@ -105,8 +105,8 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, unsigned int type); -void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, - struct perf_sample *sample, struct machine *machine, +void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample, + struct addr_location *al, unsigned int print_opts, unsigned int stack_depth); int perf_session__cpu_bitmap(struct perf_session *session, diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index 58ea5ca6c25..d0aee4b9dfd 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -25,7 +25,7 @@ cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' build_lib = getenv('PYTHON_EXTBUILD_LIB') build_tmp = getenv('PYTHON_EXTBUILD_TMP') libtraceevent = getenv('LIBTRACEEVENT') -liblk = getenv('LIBLK') +libapikfs = getenv('LIBAPIKFS') ext_sources = [f.strip() for f in file('util/python-ext-sources') if len(f.strip()) > 0 and f[0] != '#'] @@ -34,7 +34,7 @@ perf = Extension('perf', sources = ext_sources, include_dirs = ['util/include'], extra_compile_args = cflags, - extra_objects = [libtraceevent, liblk], + extra_objects = [libtraceevent, libapikfs], ) setup(name='perf', diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 8b0bb1f4494..1ec57dd8228 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -1,23 +1,28 @@ +#include <sys/mman.h> #include "sort.h" #include "hist.h" #include "comm.h" #include "symbol.h" +#include "evsel.h" regex_t parent_regex; const char default_parent_pattern[] = "^sys_|^do_page_fault"; const char *parent_pattern = default_parent_pattern; const char default_sort_order[] = "comm,dso,symbol"; -const char *sort_order = default_sort_order; +const char default_branch_sort_order[] = "comm,dso_from,symbol_from,dso_to,symbol_to"; +const char default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked"; +const char default_top_sort_order[] = "dso,symbol"; +const char default_diff_sort_order[] = "dso,symbol"; +const char *sort_order; +const char *field_order; regex_t ignore_callees_regex; int have_ignore_callees = 0; int sort__need_collapse = 0; int sort__has_parent = 0; int sort__has_sym = 0; +int sort__has_dso = 0; enum sort_mode sort__mode = SORT_MODE__NORMAL; -enum sort_type sort__first_dimension; - -LIST_HEAD(hist_entry__sort_list); static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...) { @@ -92,6 +97,12 @@ sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) return comm__str(right->comm) - comm__str(left->comm); } +static int64_t +sort__comm_sort(struct hist_entry *left, struct hist_entry *right) +{ + return strcmp(comm__str(right->comm), comm__str(left->comm)); +} + static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf, size_t size, unsigned int width) { @@ -102,6 +113,7 @@ struct sort_entry sort_comm = { .se_header = "Command", .se_cmp = sort__comm_cmp, .se_collapse = sort__comm_collapse, + .se_sort = sort__comm_sort, .se_snprintf = hist_entry__comm_snprintf, .se_width_idx = HISTC_COMM, }; @@ -115,7 +127,7 @@ static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r) const char *dso_name_l, *dso_name_r; if (!dso_l || !dso_r) - return cmp_null(dso_l, dso_r); + return cmp_null(dso_r, dso_l); if (verbose) { dso_name_l = dso_l->long_name; @@ -131,7 +143,7 @@ static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r) static int64_t sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) { - return _sort__dso_cmp(left->ms.map, right->ms.map); + return _sort__dso_cmp(right->ms.map, left->ms.map); } static int _hist_entry__dso_snprintf(struct map *map, char *bf, @@ -161,6 +173,11 @@ struct sort_entry sort_dso = { /* --sort symbol */ +static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip) +{ + return (int64_t)(right_ip - left_ip); +} + static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r) { u64 ip_l, ip_r; @@ -183,19 +200,30 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) int64_t ret; if (!left->ms.sym && !right->ms.sym) - return right->level - left->level; + return _sort__addr_cmp(left->ip, right->ip); /* * comparing symbol address alone is not enough since it's a * relative address within a dso. */ - ret = sort__dso_cmp(left, right); - if (ret != 0) - return ret; + if (!sort__has_dso) { + ret = sort__dso_cmp(left, right); + if (ret != 0) + return ret; + } return _sort__sym_cmp(left->ms.sym, right->ms.sym); } +static int64_t +sort__sym_sort(struct hist_entry *left, struct hist_entry *right) +{ + if (!left->ms.sym || !right->ms.sym) + return cmp_null(left->ms.sym, right->ms.sym); + + return strcmp(right->ms.sym->name, left->ms.sym->name); +} + static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym, u64 ip, char level, char *bf, size_t size, unsigned int width) @@ -242,6 +270,7 @@ static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, struct sort_entry sort_sym = { .se_header = "Symbol", .se_cmp = sort__sym_cmp, + .se_sort = sort__sym_sort, .se_snprintf = hist_entry__sym_snprintf, .se_width_idx = HISTC_SYMBOL, }; @@ -269,7 +298,7 @@ sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right) map__rip_2objdump(map, right->ip)); } } - return strcmp(left->srcline, right->srcline); + return strcmp(right->srcline, left->srcline); } static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf, @@ -297,7 +326,7 @@ sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) if (!sym_l || !sym_r) return cmp_null(sym_l, sym_r); - return strcmp(sym_l->name, sym_r->name); + return strcmp(sym_r->name, sym_l->name); } static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf, @@ -372,7 +401,7 @@ sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right) struct addr_map_symbol *from_r = &right->branch_info->from; if (!from_l->sym && !from_r->sym) - return right->level - left->level; + return _sort__addr_cmp(from_l->addr, from_r->addr); return _sort__sym_cmp(from_l->sym, from_r->sym); } @@ -384,7 +413,7 @@ sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right) struct addr_map_symbol *to_r = &right->branch_info->to; if (!to_l->sym && !to_r->sym) - return right->level - left->level; + return _sort__addr_cmp(to_l->addr, to_r->addr); return _sort__sym_cmp(to_l->sym, to_r->sym); } @@ -756,6 +785,104 @@ static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf, return repsep_snprintf(bf, size, "%-*s", width, out); } +static inline u64 cl_address(u64 address) +{ + /* return the cacheline of the address */ + return (address & ~(cacheline_size - 1)); +} + +static int64_t +sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right) +{ + u64 l, r; + struct map *l_map, *r_map; + + if (!left->mem_info) return -1; + if (!right->mem_info) return 1; + + /* group event types together */ + if (left->cpumode > right->cpumode) return -1; + if (left->cpumode < right->cpumode) return 1; + + l_map = left->mem_info->daddr.map; + r_map = right->mem_info->daddr.map; + + /* if both are NULL, jump to sort on al_addr instead */ + if (!l_map && !r_map) + goto addr; + + if (!l_map) return -1; + if (!r_map) return 1; + + if (l_map->maj > r_map->maj) return -1; + if (l_map->maj < r_map->maj) return 1; + + if (l_map->min > r_map->min) return -1; + if (l_map->min < r_map->min) return 1; + + if (l_map->ino > r_map->ino) return -1; + if (l_map->ino < r_map->ino) return 1; + + if (l_map->ino_generation > r_map->ino_generation) return -1; + if (l_map->ino_generation < r_map->ino_generation) return 1; + + /* + * Addresses with no major/minor numbers are assumed to be + * anonymous in userspace. Sort those on pid then address. + * + * The kernel and non-zero major/minor mapped areas are + * assumed to be unity mapped. Sort those on address. + */ + + if ((left->cpumode != PERF_RECORD_MISC_KERNEL) && + (!(l_map->flags & MAP_SHARED)) && + !l_map->maj && !l_map->min && !l_map->ino && + !l_map->ino_generation) { + /* userspace anonymous */ + + if (left->thread->pid_ > right->thread->pid_) return -1; + if (left->thread->pid_ < right->thread->pid_) return 1; + } + +addr: + /* al_addr does all the right addr - start + offset calculations */ + l = cl_address(left->mem_info->daddr.al_addr); + r = cl_address(right->mem_info->daddr.al_addr); + + if (l > r) return -1; + if (l < r) return 1; + + return 0; +} + +static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf, + size_t size, unsigned int width) +{ + + uint64_t addr = 0; + struct map *map = NULL; + struct symbol *sym = NULL; + char level = he->level; + + if (he->mem_info) { + addr = cl_address(he->mem_info->daddr.al_addr); + map = he->mem_info->daddr.map; + sym = he->mem_info->daddr.sym; + + /* print [s] for shared data mmaps */ + if ((he->cpumode != PERF_RECORD_MISC_KERNEL) && + map && (map->type == MAP__VARIABLE) && + (map->flags & MAP_SHARED) && + (map->maj || map->min || map->ino || + map->ino_generation)) + level = 's'; + else if (!map) + level = 'X'; + } + return _hist_entry__sym_snprintf(map, sym, addr, level, bf, size, + width); +} + struct sort_entry sort_mispredict = { .se_header = "Branch Mispredicted", .se_cmp = sort__mispredict_cmp, @@ -848,6 +975,13 @@ struct sort_entry sort_mem_snoop = { .se_width_idx = HISTC_MEM_SNOOP, }; +struct sort_entry sort_mem_dcacheline = { + .se_header = "Data Cacheline", + .se_cmp = sort__dcacheline_cmp, + .se_snprintf = hist_entry__dcacheline_snprintf, + .se_width_idx = HISTC_MEM_DCACHELINE, +}; + static int64_t sort__abort_cmp(struct hist_entry *left, struct hist_entry *right) { @@ -1015,23 +1149,199 @@ static struct sort_dimension memory_sort_dimensions[] = { DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb), DIM(SORT_MEM_LVL, "mem", sort_mem_lvl), DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop), + DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline), +}; + +#undef DIM + +struct hpp_dimension { + const char *name; + struct perf_hpp_fmt *fmt; + int taken; +}; + +#define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], } + +static struct hpp_dimension hpp_sort_dimensions[] = { + DIM(PERF_HPP__OVERHEAD, "overhead"), + DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"), + DIM(PERF_HPP__OVERHEAD_US, "overhead_us"), + DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"), + DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"), + DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"), + DIM(PERF_HPP__SAMPLES, "sample"), + DIM(PERF_HPP__PERIOD, "period"), }; #undef DIM -static void __sort_dimension__add(struct sort_dimension *sd, enum sort_type idx) +struct hpp_sort_entry { + struct perf_hpp_fmt hpp; + struct sort_entry *se; +}; + +bool perf_hpp__same_sort_entry(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) { - if (sd->taken) + struct hpp_sort_entry *hse_a; + struct hpp_sort_entry *hse_b; + + if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b)) + return false; + + hse_a = container_of(a, struct hpp_sort_entry, hpp); + hse_b = container_of(b, struct hpp_sort_entry, hpp); + + return hse_a->se == hse_b->se; +} + +void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists) +{ + struct hpp_sort_entry *hse; + + if (!perf_hpp__is_sort_entry(fmt)) return; + hse = container_of(fmt, struct hpp_sort_entry, hpp); + hists__new_col_len(hists, hse->se->se_width_idx, + strlen(hse->se->se_header)); +} + +static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct perf_evsel *evsel) +{ + struct hpp_sort_entry *hse; + size_t len; + + hse = container_of(fmt, struct hpp_sort_entry, hpp); + len = hists__col_len(&evsel->hists, hse->se->se_width_idx); + + return scnprintf(hpp->buf, hpp->size, "%*s", len, hse->se->se_header); +} + +static int __sort__hpp_width(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp __maybe_unused, + struct perf_evsel *evsel) +{ + struct hpp_sort_entry *hse; + + hse = container_of(fmt, struct hpp_sort_entry, hpp); + + return hists__col_len(&evsel->hists, hse->se->se_width_idx); +} + +static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct hist_entry *he) +{ + struct hpp_sort_entry *hse; + size_t len; + + hse = container_of(fmt, struct hpp_sort_entry, hpp); + len = hists__col_len(he->hists, hse->se->se_width_idx); + + return hse->se->se_snprintf(he, hpp->buf, hpp->size, len); +} + +static struct hpp_sort_entry * +__sort_dimension__alloc_hpp(struct sort_dimension *sd) +{ + struct hpp_sort_entry *hse; + + hse = malloc(sizeof(*hse)); + if (hse == NULL) { + pr_err("Memory allocation failed\n"); + return NULL; + } + + hse->se = sd->entry; + hse->hpp.header = __sort__hpp_header; + hse->hpp.width = __sort__hpp_width; + hse->hpp.entry = __sort__hpp_entry; + hse->hpp.color = NULL; + + hse->hpp.cmp = sd->entry->se_cmp; + hse->hpp.collapse = sd->entry->se_collapse ? : sd->entry->se_cmp; + hse->hpp.sort = sd->entry->se_sort ? : hse->hpp.collapse; + + INIT_LIST_HEAD(&hse->hpp.list); + INIT_LIST_HEAD(&hse->hpp.sort_list); + hse->hpp.elide = false; + + return hse; +} + +bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format) +{ + return format->header == __sort__hpp_header; +} + +static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd) +{ + struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd); + + if (hse == NULL) + return -1; + + perf_hpp__register_sort_field(&hse->hpp); + return 0; +} + +static int __sort_dimension__add_hpp_output(struct sort_dimension *sd) +{ + struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd); + + if (hse == NULL) + return -1; + + perf_hpp__column_register(&hse->hpp); + return 0; +} + +static int __sort_dimension__add(struct sort_dimension *sd) +{ + if (sd->taken) + return 0; + + if (__sort_dimension__add_hpp_sort(sd) < 0) + return -1; + if (sd->entry->se_collapse) sort__need_collapse = 1; - if (list_empty(&hist_entry__sort_list)) - sort__first_dimension = idx; + sd->taken = 1; + + return 0; +} + +static int __hpp_dimension__add(struct hpp_dimension *hd) +{ + if (!hd->taken) { + hd->taken = 1; + + perf_hpp__register_sort_field(hd->fmt); + } + return 0; +} + +static int __sort_dimension__add_output(struct sort_dimension *sd) +{ + if (sd->taken) + return 0; + + if (__sort_dimension__add_hpp_output(sd) < 0) + return -1; - list_add_tail(&sd->entry->list, &hist_entry__sort_list); sd->taken = 1; + return 0; +} + +static int __hpp_dimension__add_output(struct hpp_dimension *hd) +{ + if (!hd->taken) { + hd->taken = 1; + + perf_hpp__column_register(hd->fmt); + } + return 0; } int sort_dimension__add(const char *tok) @@ -1056,10 +1366,20 @@ int sort_dimension__add(const char *tok) sort__has_parent = 1; } else if (sd->entry == &sort_sym) { sort__has_sym = 1; + } else if (sd->entry == &sort_dso) { + sort__has_dso = 1; } - __sort_dimension__add(sd, i); - return 0; + return __sort_dimension__add(sd); + } + + for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) { + struct hpp_dimension *hd = &hpp_sort_dimensions[i]; + + if (strncasecmp(tok, hd->name, strlen(tok))) + continue; + + return __hpp_dimension__add(hd); } for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) { @@ -1074,7 +1394,7 @@ int sort_dimension__add(const char *tok) if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to) sort__has_sym = 1; - __sort_dimension__add(sd, i + __SORT_BRANCH_STACK); + __sort_dimension__add(sd); return 0; } @@ -1090,18 +1410,47 @@ int sort_dimension__add(const char *tok) if (sd->entry == &sort_mem_daddr_sym) sort__has_sym = 1; - __sort_dimension__add(sd, i + __SORT_MEMORY_MODE); + __sort_dimension__add(sd); return 0; } return -ESRCH; } -int setup_sorting(void) +static const char *get_default_sort_order(void) { - char *tmp, *tok, *str = strdup(sort_order); + const char *default_sort_orders[] = { + default_sort_order, + default_branch_sort_order, + default_mem_sort_order, + default_top_sort_order, + default_diff_sort_order, + }; + + BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders)); + + return default_sort_orders[sort__mode]; +} + +static int __setup_sorting(void) +{ + char *tmp, *tok, *str; + const char *sort_keys = sort_order; int ret = 0; + if (sort_keys == NULL) { + if (field_order) { + /* + * If user specified field order but no sort order, + * we'll honor it and not add default sort orders. + */ + return 0; + } + + sort_keys = get_default_sort_order(); + } + + str = strdup(sort_keys); if (str == NULL) { error("Not enough memory to setup sort keys"); return -ENOMEM; @@ -1123,66 +1472,235 @@ int setup_sorting(void) return ret; } -static void sort_entry__setup_elide(struct sort_entry *se, - struct strlist *list, - const char *list_name, FILE *fp) +void perf_hpp__set_elide(int idx, bool elide) +{ + struct perf_hpp_fmt *fmt; + struct hpp_sort_entry *hse; + + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; + + hse = container_of(fmt, struct hpp_sort_entry, hpp); + if (hse->se->se_width_idx == idx) { + fmt->elide = elide; + break; + } + } +} + +static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp) { if (list && strlist__nr_entries(list) == 1) { if (fp != NULL) fprintf(fp, "# %s: %s\n", list_name, strlist__entry(list, 0)->s); - se->elide = true; + return true; + } + return false; +} + +static bool get_elide(int idx, FILE *output) +{ + switch (idx) { + case HISTC_SYMBOL: + return __get_elide(symbol_conf.sym_list, "symbol", output); + case HISTC_DSO: + return __get_elide(symbol_conf.dso_list, "dso", output); + case HISTC_COMM: + return __get_elide(symbol_conf.comm_list, "comm", output); + default: + break; + } + + if (sort__mode != SORT_MODE__BRANCH) + return false; + + switch (idx) { + case HISTC_SYMBOL_FROM: + return __get_elide(symbol_conf.sym_from_list, "sym_from", output); + case HISTC_SYMBOL_TO: + return __get_elide(symbol_conf.sym_to_list, "sym_to", output); + case HISTC_DSO_FROM: + return __get_elide(symbol_conf.dso_from_list, "dso_from", output); + case HISTC_DSO_TO: + return __get_elide(symbol_conf.dso_to_list, "dso_to", output); + default: + break; } + + return false; } void sort__setup_elide(FILE *output) { - struct sort_entry *se; + struct perf_hpp_fmt *fmt; + struct hpp_sort_entry *hse; + + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "dso", output); - sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, - "comm", output); - sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, - "symbol", output); - - if (sort__mode == SORT_MODE__BRANCH) { - sort_entry__setup_elide(&sort_dso_from, - symbol_conf.dso_from_list, - "dso_from", output); - sort_entry__setup_elide(&sort_dso_to, - symbol_conf.dso_to_list, - "dso_to", output); - sort_entry__setup_elide(&sort_sym_from, - symbol_conf.sym_from_list, - "sym_from", output); - sort_entry__setup_elide(&sort_sym_to, - symbol_conf.sym_to_list, - "sym_to", output); - } else if (sort__mode == SORT_MODE__MEMORY) { - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "symbol_daddr", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "dso_daddr", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "mem", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "local_weight", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "tlb", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "snoop", output); + hse = container_of(fmt, struct hpp_sort_entry, hpp); + fmt->elide = get_elide(hse->se->se_width_idx, output); } /* * It makes no sense to elide all of sort entries. * Just revert them to show up again. */ - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (!se->elide) + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; + + if (!fmt->elide) return; } - list_for_each_entry(se, &hist_entry__sort_list, list) - se->elide = false; + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; + + fmt->elide = false; + } +} + +static int output_field_add(char *tok) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) { + struct sort_dimension *sd = &common_sort_dimensions[i]; + + if (strncasecmp(tok, sd->name, strlen(tok))) + continue; + + return __sort_dimension__add_output(sd); + } + + for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) { + struct hpp_dimension *hd = &hpp_sort_dimensions[i]; + + if (strncasecmp(tok, hd->name, strlen(tok))) + continue; + + return __hpp_dimension__add_output(hd); + } + + for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) { + struct sort_dimension *sd = &bstack_sort_dimensions[i]; + + if (strncasecmp(tok, sd->name, strlen(tok))) + continue; + + return __sort_dimension__add_output(sd); + } + + for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) { + struct sort_dimension *sd = &memory_sort_dimensions[i]; + + if (strncasecmp(tok, sd->name, strlen(tok))) + continue; + + return __sort_dimension__add_output(sd); + } + + return -ESRCH; +} + +static void reset_dimensions(void) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) + common_sort_dimensions[i].taken = 0; + + for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) + hpp_sort_dimensions[i].taken = 0; + + for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) + bstack_sort_dimensions[i].taken = 0; + + for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) + memory_sort_dimensions[i].taken = 0; +} + +static int __setup_output_field(void) +{ + char *tmp, *tok, *str; + int ret = 0; + + if (field_order == NULL) + return 0; + + reset_dimensions(); + + str = strdup(field_order); + if (str == NULL) { + error("Not enough memory to setup output fields"); + return -ENOMEM; + } + + for (tok = strtok_r(str, ", ", &tmp); + tok; tok = strtok_r(NULL, ", ", &tmp)) { + ret = output_field_add(tok); + if (ret == -EINVAL) { + error("Invalid --fields key: `%s'", tok); + break; + } else if (ret == -ESRCH) { + error("Unknown --fields key: `%s'", tok); + break; + } + } + + free(str); + return ret; +} + +int setup_sorting(void) +{ + int err; + + err = __setup_sorting(); + if (err < 0) + return err; + + if (parent_pattern != default_parent_pattern) { + err = sort_dimension__add("parent"); + if (err < 0) + return err; + } + + reset_dimensions(); + + /* + * perf diff doesn't use default hpp output fields. + */ + if (sort__mode != SORT_MODE__DIFF) + perf_hpp__init(); + + err = __setup_output_field(); + if (err < 0) + return err; + + /* copy sort keys to output fields */ + perf_hpp__setup_output_field(); + /* and then copy output fields to sort keys */ + perf_hpp__append_sort_keys(); + + return 0; +} + +void reset_output_field(void) +{ + sort__need_collapse = 0; + sort__has_parent = 0; + sort__has_sym = 0; + sort__has_dso = 0; + + field_order = NULL; + sort_order = NULL; + + reset_dimensions(); + perf_hpp__reset_output_field(); } diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 43e5ff42a60..041f0c9cea2 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -20,11 +20,12 @@ #include "parse-options.h" #include "parse-events.h" - +#include "hist.h" #include "thread.h" extern regex_t parent_regex; extern const char *sort_order; +extern const char *field_order; extern const char default_parent_pattern[]; extern const char *parent_pattern; extern const char default_sort_order[]; @@ -81,12 +82,14 @@ struct hist_entry { struct list_head head; } pairs; struct he_stat stat; + struct he_stat *stat_acc; struct map_symbol ms; struct thread *thread; struct comm *comm; u64 ip; u64 transaction; s32 cpu; + u8 cpumode; struct hist_entry_diff diff; @@ -129,10 +132,27 @@ static inline void hist_entry__add_pair(struct hist_entry *pair, list_add_tail(&pair->pairs.node, &he->pairs.head); } +static inline float hist_entry__get_percent_limit(struct hist_entry *he) +{ + u64 period = he->stat.period; + u64 total_period = hists__total_period(he->hists); + + if (unlikely(total_period == 0)) + return 0; + + if (symbol_conf.cumulate_callchain) + period = he->stat_acc->period; + + return period * 100.0 / total_period; +} + + enum sort_mode { SORT_MODE__NORMAL, SORT_MODE__BRANCH, SORT_MODE__MEMORY, + SORT_MODE__TOP, + SORT_MODE__DIFF, }; enum sort_type { @@ -166,6 +186,7 @@ enum sort_type { SORT_MEM_TLB, SORT_MEM_LVL, SORT_MEM_SNOOP, + SORT_MEM_DCACHELINE, }; /* @@ -179,18 +200,21 @@ struct sort_entry { int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *); int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *); + int64_t (*se_sort)(struct hist_entry *, struct hist_entry *); int (*se_snprintf)(struct hist_entry *he, char *bf, size_t size, unsigned int width); u8 se_width_idx; - bool elide; }; extern struct sort_entry sort_thread; extern struct list_head hist_entry__sort_list; int setup_sorting(void); +int setup_output_field(void); +void reset_output_field(void); extern int sort_dimension__add(const char *); void sort__setup_elide(FILE *fp); +void perf_hpp__set_elide(int idx, bool elide); int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset); diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c index d11aefbc4b8..f3e4bc5fe5d 100644 --- a/tools/perf/util/srcline.c +++ b/tools/perf/util/srcline.c @@ -129,7 +129,7 @@ static struct a2l_data *addr2line_init(const char *path) out: if (a2l) { - free((void *)a2l->input); + zfree((char **)&a2l->input); free(a2l); } bfd_close(abfd); @@ -140,24 +140,30 @@ static void addr2line_cleanup(struct a2l_data *a2l) { if (a2l->abfd) bfd_close(a2l->abfd); - free((void *)a2l->input); - free(a2l->syms); + zfree((char **)&a2l->input); + zfree(&a2l->syms); free(a2l); } static int addr2line(const char *dso_name, unsigned long addr, - char **file, unsigned int *line) + char **file, unsigned int *line, struct dso *dso) { int ret = 0; - struct a2l_data *a2l; + struct a2l_data *a2l = dso->a2l; + + if (!a2l) { + dso->a2l = addr2line_init(dso_name); + a2l = dso->a2l; + } - a2l = addr2line_init(dso_name); if (a2l == NULL) { pr_warning("addr2line_init failed for %s\n", dso_name); return 0; } a2l->addr = addr; + a2l->found = false; + bfd_map_over_sections(a2l->abfd, find_address_in_section, a2l); if (a2l->found && a2l->filename) { @@ -168,14 +174,26 @@ static int addr2line(const char *dso_name, unsigned long addr, ret = 1; } - addr2line_cleanup(a2l); return ret; } +void dso__free_a2l(struct dso *dso) +{ + struct a2l_data *a2l = dso->a2l; + + if (!a2l) + return; + + addr2line_cleanup(a2l); + + dso->a2l = NULL; +} + #else /* HAVE_LIBBFD_SUPPORT */ static int addr2line(const char *dso_name, unsigned long addr, - char **file, unsigned int *line_nr) + char **file, unsigned int *line_nr, + struct dso *dso __maybe_unused) { FILE *fp; char cmd[PATH_MAX]; @@ -219,42 +237,58 @@ out: pclose(fp); return ret; } + +void dso__free_a2l(struct dso *dso __maybe_unused) +{ +} + #endif /* HAVE_LIBBFD_SUPPORT */ +/* + * Number of addr2line failures (without success) before disabling it for that + * dso. + */ +#define A2L_FAIL_LIMIT 123 + char *get_srcline(struct dso *dso, unsigned long addr) { char *file = NULL; unsigned line = 0; char *srcline; - char *dso_name = dso->long_name; - size_t size; + const char *dso_name; if (!dso->has_srcline) return SRCLINE_UNKNOWN; + if (dso->symsrc_filename) + dso_name = dso->symsrc_filename; + else + dso_name = dso->long_name; + if (dso_name[0] == '[') goto out; if (!strncmp(dso_name, "/tmp/perf-", 10)) goto out; - if (!addr2line(dso_name, addr, &file, &line)) + if (!addr2line(dso_name, addr, &file, &line, dso)) goto out; - /* just calculate actual length */ - size = snprintf(NULL, 0, "%s:%u", file, line) + 1; + if (asprintf(&srcline, "%s:%u", file, line) < 0) { + free(file); + goto out; + } - srcline = malloc(size); - if (srcline) - snprintf(srcline, size, "%s:%u", file, line); - else - srcline = SRCLINE_UNKNOWN; + dso->a2l_fails = 0; free(file); return srcline; out: - dso->has_srcline = 0; + if (dso->a2l_fails && ++dso->a2l_fails > A2L_FAIL_LIMIT) { + dso->has_srcline = 0; + dso__free_a2l(dso); + } return SRCLINE_UNKNOWN; } diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index ae8ccd7227c..5667fc3e39c 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -1,7 +1,7 @@ #ifndef __PERF_STATS_H #define __PERF_STATS_H -#include "types.h" +#include <linux/types.h> struct stats { diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c index cfa906882e2..4abe23550c7 100644 --- a/tools/perf/util/strbuf.c +++ b/tools/perf/util/strbuf.c @@ -28,7 +28,7 @@ void strbuf_init(struct strbuf *sb, ssize_t hint) void strbuf_release(struct strbuf *sb) { if (sb->alloc) { - free(sb->buf); + zfree(&sb->buf); strbuf_init(sb, 0); } } diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c index 3edd0538161..79a757a2a15 100644 --- a/tools/perf/util/strfilter.c +++ b/tools/perf/util/strfilter.c @@ -14,7 +14,7 @@ static void strfilter_node__delete(struct strfilter_node *node) { if (node) { if (node->p && !is_operator(*node->p)) - free((char *)node->p); + zfree((char **)&node->p); strfilter_node__delete(node->l); strfilter_node__delete(node->r); free(node); diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index f0b0c008c50..2553e5b55b8 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -128,7 +128,7 @@ void argv_free(char **argv) { char **p; for (p = argv; *p; p++) - free(*p); + zfree(p); free(argv); } diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c index eabdce0a2da..71f9d102b96 100644 --- a/tools/perf/util/strlist.c +++ b/tools/perf/util/strlist.c @@ -5,6 +5,7 @@ */ #include "strlist.h" +#include "util.h" #include <errno.h> #include <stdio.h> #include <stdlib.h> @@ -38,7 +39,7 @@ out_delete: static void str_node__delete(struct str_node *snode, bool dupstr) { if (dupstr) - free((void *)snode->s); + zfree((char **)&snode->s); free(snode); } diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c index 96c866045d6..6a0a13d07a2 100644 --- a/tools/perf/util/svghelper.c +++ b/tools/perf/util/svghelper.c @@ -17,8 +17,12 @@ #include <stdlib.h> #include <unistd.h> #include <string.h> +#include <linux/bitmap.h> +#include "perf.h" #include "svghelper.h" +#include "util.h" +#include "cpumap.h" static u64 first_time, last_time; static u64 turbo_frequency, max_freq; @@ -28,6 +32,8 @@ static u64 turbo_frequency, max_freq; #define SLOT_HEIGHT 25.0 int svg_page_width = 1000; +u64 svg_highlight; +const char *svg_highlight_name; #define MIN_TEXT_SIZE 0.01 @@ -39,9 +45,14 @@ static double cpu2slot(int cpu) return 2 * cpu + 1; } +static int *topology_map; + static double cpu2y(int cpu) { - return cpu2slot(cpu) * SLOT_MULT; + if (topology_map) + return cpu2slot(topology_map[cpu]) * SLOT_MULT; + else + return cpu2slot(cpu) * SLOT_MULT; } static double time2pixels(u64 __time) @@ -95,6 +106,7 @@ void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT; fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n"); + fprintf(svgfile, "<!DOCTYPE svg SYSTEM \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"); fprintf(svgfile, "<svg width=\"%i\" height=\"%" PRIu64 "\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", svg_page_width, total_height); fprintf(svgfile, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n"); @@ -103,6 +115,7 @@ void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) fprintf(svgfile, " rect.process { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); + fprintf(svgfile, " rect.sample_hi{ fill:rgb(255,128, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); @@ -128,14 +141,42 @@ void svg_box(int Yslot, u64 start, u64 end, const char *type) time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type); } -void svg_sample(int Yslot, int cpu, u64 start, u64 end) +static char *time_to_string(u64 duration); +void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) +{ + if (!svgfile) + return; + + fprintf(svgfile, "<g>\n"); + fprintf(svgfile, "<title>#%d blocked %s</title>\n", cpu, + time_to_string(end - start)); + if (backtrace) + fprintf(svgfile, "<desc>Blocked on:\n%s</desc>\n", backtrace); + svg_box(Yslot, start, end, "blocked"); + fprintf(svgfile, "</g>\n"); +} + +void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) { double text_size; + const char *type; + if (!svgfile) return; - fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"sample\"/>\n", - time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT); + if (svg_highlight && end - start > svg_highlight) + type = "sample_hi"; + else + type = "sample"; + fprintf(svgfile, "<g>\n"); + + fprintf(svgfile, "<title>#%d running %s</title>\n", + cpu, time_to_string(end - start)); + if (backtrace) + fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); + fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n", + time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, + type); text_size = (time2pixels(end)-time2pixels(start)); if (cpu > 9) @@ -148,6 +189,7 @@ void svg_sample(int Yslot, int cpu, u64 start, u64 end) fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n", time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1); + fprintf(svgfile, "</g>\n"); } static char *time_to_string(u64 duration) @@ -168,7 +210,7 @@ static char *time_to_string(u64 duration) return text; } -void svg_waiting(int Yslot, u64 start, u64 end) +void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace) { char *text; const char *style; @@ -192,6 +234,9 @@ void svg_waiting(int Yslot, u64 start, u64 end) font_size = round_text_size(font_size); fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT); + fprintf(svgfile, "<title>#%d waiting %s</title>\n", cpu, time_to_string(end - start)); + if (backtrace) + fprintf(svgfile, "<desc>Waiting on:\n%s</desc>\n", backtrace); fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style); if (font_size > MIN_TEXT_SIZE) @@ -242,28 +287,42 @@ void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) max_freq = __max_freq; turbo_frequency = __turbo_freq; + fprintf(svgfile, "<g>\n"); + fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n", time2pixels(first_time), time2pixels(last_time)-time2pixels(first_time), cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT); - sprintf(cpu_string, "CPU %i", (int)cpu+1); + sprintf(cpu_string, "CPU %i", (int)cpu); fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n", 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string); fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n", 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model()); + + fprintf(svgfile, "</g>\n"); } -void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name) +void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace) { double width; + const char *type; if (!svgfile) return; + if (svg_highlight && end - start >= svg_highlight) + type = "sample_hi"; + else if (svg_highlight_name && strstr(name, svg_highlight_name)) + type = "sample_hi"; + else + type = "sample"; fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu)); + fprintf(svgfile, "<title>%d %s running %s</title>\n", pid, name, time_to_string(end - start)); + if (backtrace) + fprintf(svgfile, "<desc>Switched because:\n%s</desc>\n", backtrace); fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n", time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); width = time2pixels(end)-time2pixels(start); @@ -288,6 +347,8 @@ void svg_cstate(int cpu, u64 start, u64 end, int type) return; + fprintf(svgfile, "<g>\n"); + if (type > 6) type = 6; sprintf(style, "c%i", type); @@ -306,6 +367,8 @@ void svg_cstate(int cpu, u64 start, u64 end, int type) if (width > MIN_TEXT_SIZE) fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n", time2pixels(start), cpu2y(cpu)+width, width, type); + + fprintf(svgfile, "</g>\n"); } static char *HzToHuman(unsigned long hz) @@ -339,6 +402,8 @@ void svg_pstate(int cpu, u64 start, u64 end, u64 freq) if (!svgfile) return; + fprintf(svgfile, "<g>\n"); + if (max_freq) height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT); height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height; @@ -347,10 +412,11 @@ void svg_pstate(int cpu, u64 start, u64 end, u64 freq) fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n", time2pixels(start), height+0.9, HzToHuman(freq)); + fprintf(svgfile, "</g>\n"); } -void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2) +void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace) { double height; @@ -358,6 +424,15 @@ void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc return; + fprintf(svgfile, "<g>\n"); + + fprintf(svgfile, "<title>%s wakes up %s</title>\n", + desc1 ? desc1 : "?", + desc2 ? desc2 : "?"); + + if (backtrace) + fprintf(svgfile, "<desc>%s</desc>\n", backtrace); + if (row1 < row2) { if (row1) { fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", @@ -395,9 +470,11 @@ void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc if (row1) fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", time2pixels(start), height); + + fprintf(svgfile, "</g>\n"); } -void svg_wakeline(u64 start, int row1, int row2) +void svg_wakeline(u64 start, int row1, int row2, const char *backtrace) { double height; @@ -405,6 +482,11 @@ void svg_wakeline(u64 start, int row1, int row2) return; + fprintf(svgfile, "<g>\n"); + + if (backtrace) + fprintf(svgfile, "<desc>%s</desc>\n", backtrace); + if (row1 < row2) fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n", time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT); @@ -417,17 +499,28 @@ void svg_wakeline(u64 start, int row1, int row2) height += SLOT_HEIGHT; fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(32,255,32)\"/>\n", time2pixels(start), height); + + fprintf(svgfile, "</g>\n"); } -void svg_interrupt(u64 start, int row) +void svg_interrupt(u64 start, int row, const char *backtrace) { if (!svgfile) return; + fprintf(svgfile, "<g>\n"); + + fprintf(svgfile, "<title>Wakeup from interrupt</title>\n"); + + if (backtrace) + fprintf(svgfile, "<desc>%s</desc>\n", backtrace); + fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", time2pixels(start), row * SLOT_MULT); fprintf(svgfile, "<circle cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\" style=\"fill:rgb(255,128,128)\"/>\n", time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT); + + fprintf(svgfile, "</g>\n"); } void svg_text(int Yslot, u64 start, const char *text) @@ -455,6 +548,7 @@ void svg_legenda(void) if (!svgfile) return; + fprintf(svgfile, "<g>\n"); svg_legenda_box(0, "Running", "sample"); svg_legenda_box(100, "Idle","c1"); svg_legenda_box(200, "Deeper Idle", "c3"); @@ -462,6 +556,7 @@ void svg_legenda(void) svg_legenda_box(550, "Sleeping", "process2"); svg_legenda_box(650, "Waiting for cpu", "waiting"); svg_legenda_box(800, "Blocked on IO", "blocked"); + fprintf(svgfile, "</g>\n"); } void svg_time_grid(void) @@ -499,3 +594,123 @@ void svg_close(void) svgfile = NULL; } } + +#define cpumask_bits(maskp) ((maskp)->bits) +typedef struct { DECLARE_BITMAP(bits, MAX_NR_CPUS); } cpumask_t; + +struct topology { + cpumask_t *sib_core; + int sib_core_nr; + cpumask_t *sib_thr; + int sib_thr_nr; +}; + +static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos) +{ + int i; + int thr; + + for (i = 0; i < t->sib_thr_nr; i++) { + if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i]))) + continue; + + for_each_set_bit(thr, + cpumask_bits(&t->sib_thr[i]), + MAX_NR_CPUS) + if (map[thr] == -1) + map[thr] = (*pos)++; + } +} + +static void scan_core_topology(int *map, struct topology *t) +{ + int pos = 0; + int i; + int cpu; + + for (i = 0; i < t->sib_core_nr; i++) + for_each_set_bit(cpu, + cpumask_bits(&t->sib_core[i]), + MAX_NR_CPUS) + scan_thread_topology(map, t, cpu, &pos); +} + +static int str_to_bitmap(char *s, cpumask_t *b) +{ + int i; + int ret = 0; + struct cpu_map *m; + int c; + + m = cpu_map__new(s); + if (!m) + return -1; + + for (i = 0; i < m->nr; i++) { + c = m->map[i]; + if (c >= MAX_NR_CPUS) { + ret = -1; + break; + } + + set_bit(c, cpumask_bits(b)); + } + + cpu_map__delete(m); + + return ret; +} + +int svg_build_topology_map(char *sib_core, int sib_core_nr, + char *sib_thr, int sib_thr_nr) +{ + int i; + struct topology t; + + t.sib_core_nr = sib_core_nr; + t.sib_thr_nr = sib_thr_nr; + t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t)); + t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t)); + + if (!t.sib_core || !t.sib_thr) { + fprintf(stderr, "topology: no memory\n"); + goto exit; + } + + for (i = 0; i < sib_core_nr; i++) { + if (str_to_bitmap(sib_core, &t.sib_core[i])) { + fprintf(stderr, "topology: can't parse siblings map\n"); + goto exit; + } + + sib_core += strlen(sib_core) + 1; + } + + for (i = 0; i < sib_thr_nr; i++) { + if (str_to_bitmap(sib_thr, &t.sib_thr[i])) { + fprintf(stderr, "topology: can't parse siblings map\n"); + goto exit; + } + + sib_thr += strlen(sib_thr) + 1; + } + + topology_map = malloc(sizeof(int) * MAX_NR_CPUS); + if (!topology_map) { + fprintf(stderr, "topology: no memory\n"); + goto exit; + } + + for (i = 0; i < MAX_NR_CPUS; i++) + topology_map[i] = -1; + + scan_core_topology(topology_map, &t); + + return 0; + +exit: + zfree(&t.sib_core); + zfree(&t.sib_thr); + + return -1; +} diff --git a/tools/perf/util/svghelper.h b/tools/perf/util/svghelper.h index e0781989cc3..e3aff5332e3 100644 --- a/tools/perf/util/svghelper.h +++ b/tools/perf/util/svghelper.h @@ -1,28 +1,33 @@ #ifndef __PERF_SVGHELPER_H #define __PERF_SVGHELPER_H -#include "types.h" +#include <linux/types.h> extern void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end); extern void svg_box(int Yslot, u64 start, u64 end, const char *type); -extern void svg_sample(int Yslot, int cpu, u64 start, u64 end); -extern void svg_waiting(int Yslot, u64 start, u64 end); +extern void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace); +extern void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace); +extern void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace); extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency); -extern void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name); +extern void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace); extern void svg_cstate(int cpu, u64 start, u64 end, int type); extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq); extern void svg_time_grid(void); extern void svg_legenda(void); -extern void svg_wakeline(u64 start, int row1, int row2); -extern void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2); -extern void svg_interrupt(u64 start, int row); +extern void svg_wakeline(u64 start, int row1, int row2, const char *backtrace); +extern void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace); +extern void svg_interrupt(u64 start, int row, const char *backtrace); extern void svg_text(int Yslot, u64 start, const char *text); extern void svg_close(void); +extern int svg_build_topology_map(char *sib_core, int sib_core_nr, + char *sib_thr, int sib_thr_nr); extern int svg_page_width; +extern u64 svg_highlight; +extern const char *svg_highlight_name; #endif /* __PERF_SVGHELPER_H */ diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index eed0b96302a..6864661a79d 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -6,6 +6,8 @@ #include <inttypes.h> #include "symbol.h" +#include "vdso.h" +#include <symbol/kallsyms.h> #include "debug.h" #ifndef HAVE_ELF_GETPHDRNUM_SUPPORT @@ -135,9 +137,8 @@ static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr) return -1; } -static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, - GElf_Shdr *shp, const char *name, - size_t *idx) +Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, + GElf_Shdr *shp, const char *name, size_t *idx) { Elf_Scn *sec = NULL; size_t cnt = 1; @@ -151,15 +152,15 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, gelf_getshdr(sec, shp); str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name); - if (!strcmp(name, str)) { + if (str && !strcmp(name, str)) { if (idx) *idx = cnt; - break; + return sec; } ++cnt; } - return sec; + return NULL; } #define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \ @@ -506,6 +507,8 @@ int filename__read_debuglink(const char *filename, char *debuglink, /* the start of this section is a zero-terminated string */ strncpy(debuglink, data->d_buf, size); + err = 0; + out_elf_end: elf_end(elf); out_close: @@ -553,7 +556,7 @@ bool symsrc__has_symtab(struct symsrc *ss) void symsrc__destroy(struct symsrc *ss) { - free(ss->name); + zfree(&ss->name); elf_end(ss->elf); close(ss->fd); } @@ -616,6 +619,7 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, GElf_Shdr shdr; ss->adjust_symbols = (ehdr.e_type == ET_EXEC || ehdr.e_type == ET_REL || + is_vdso_map(dso->short_name) || elf_section_by_name(elf, &ehdr, &shdr, ".gnu.prelink_undo", NULL) != NULL); @@ -751,6 +755,8 @@ int dso__load_sym(struct dso *dso, struct map *map, if (strcmp(elf_name, kmap->ref_reloc_sym->name)) continue; kmap->ref_reloc_sym->unrelocated_addr = sym.st_value; + map->reloc = kmap->ref_reloc_sym->addr - + kmap->ref_reloc_sym->unrelocated_addr; break; } } @@ -922,6 +928,7 @@ int dso__load_sym(struct dso *dso, struct map *map, (u64)shdr.sh_offset); sym.st_value -= shdr.sh_addr - shdr.sh_offset; } +new_symbol: /* * We need to figure out if the object was created from C++ sources * DWARF DW_compile_unit has this, but we don't always have access @@ -933,7 +940,6 @@ int dso__load_sym(struct dso *dso, struct map *map, if (demangled != NULL) elf_name = demangled; } -new_symbol: f = symbol__new(sym.st_value, sym.st_size, GELF_ST_BIND(sym.st_info), elf_name); free(demangled); diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c index 2d2dd0532b5..bd15f490d04 100644 --- a/tools/perf/util/symbol-minimal.c +++ b/tools/perf/util/symbol-minimal.c @@ -1,4 +1,5 @@ #include "symbol.h" +#include "util.h" #include <stdio.h> #include <fcntl.h> @@ -253,6 +254,7 @@ int symsrc__init(struct symsrc *ss, struct dso *dso __maybe_unused, if (!ss->name) goto out_close; + ss->fd = fd; ss->type = type; return 0; @@ -274,7 +276,7 @@ bool symsrc__has_symtab(struct symsrc *ss __maybe_unused) void symsrc__destroy(struct symsrc *ss) { - free(ss->name); + zfree(&ss->name); close(ss->fd); } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index c0c36965fff..7b9096f29cd 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -18,12 +18,9 @@ #include <elf.h> #include <limits.h> +#include <symbol/kallsyms.h> #include <sys/utsname.h> -#ifndef KSYM_NAME_LEN -#define KSYM_NAME_LEN 256 -#endif - static int dso__load_kernel_sym(struct dso *dso, struct map *map, symbol_filter_t filter); static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, @@ -32,11 +29,12 @@ int vmlinux_path__nr_entries; char **vmlinux_path; struct symbol_conf symbol_conf = { - .use_modules = true, - .try_vmlinux_path = true, - .annotate_src = true, - .demangle = true, - .symfs = "", + .use_modules = true, + .try_vmlinux_path = true, + .annotate_src = true, + .demangle = true, + .cumulate_callchain = true, + .symfs = "", }; static enum dso_binary_type binary_type_symtab[] = { @@ -413,7 +411,7 @@ struct symbol *dso__find_symbol(struct dso *dso, return symbols__find(&dso->symbols[type], addr); } -struct symbol *dso__first_symbol(struct dso *dso, enum map_type type) +static struct symbol *dso__first_symbol(struct dso *dso, enum map_type type) { return symbols__first(&dso->symbols[type]); } @@ -446,62 +444,6 @@ size_t dso__fprintf_symbols_by_name(struct dso *dso, return ret; } -int kallsyms__parse(const char *filename, void *arg, - int (*process_symbol)(void *arg, const char *name, - char type, u64 start)) -{ - char *line = NULL; - size_t n; - int err = -1; - FILE *file = fopen(filename, "r"); - - if (file == NULL) - goto out_failure; - - err = 0; - - while (!feof(file)) { - u64 start; - int line_len, len; - char symbol_type; - char *symbol_name; - - line_len = getline(&line, &n, file); - if (line_len < 0 || !line) - break; - - line[--line_len] = '\0'; /* \n */ - - len = hex2u64(line, &start); - - len++; - if (len + 2 >= line_len) - continue; - - symbol_type = line[len]; - len += 2; - symbol_name = line + len; - len = line_len - len; - - if (len >= KSYM_NAME_LEN) { - err = -1; - break; - } - - err = process_symbol(arg, symbol_name, - symbol_type, start); - if (err) - break; - } - - free(line); - fclose(file); - return err; - -out_failure: - return -1; -} - int modules__parse(const char *filename, void *arg, int (*process_module)(void *arg, const char *name, u64 start)) @@ -565,12 +507,34 @@ struct process_kallsyms_args { struct dso *dso; }; -static u8 kallsyms2elf_type(char type) +bool symbol__is_idle(struct symbol *sym) { - if (type == 'W') - return STB_WEAK; + const char * const idle_symbols[] = { + "cpu_idle", + "intel_idle", + "default_idle", + "native_safe_halt", + "enter_idle", + "exit_idle", + "mwait_idle", + "mwait_idle_with_hints", + "poll_idle", + "ppc64_runlatch_off", + "pseries_dedicated_idle_sleep", + NULL + }; + + int i; + + if (!sym) + return false; + + for (i = 0; idle_symbols[i]; i++) { + if (!strcmp(idle_symbols[i], sym->name)) + return true; + } - return isupper(type) ? STB_GLOBAL : STB_LOCAL; + return false; } static int map__process_kallsym_symbol(void *arg, const char *name, @@ -664,7 +628,7 @@ static int dso__split_kallsyms_for_kcore(struct dso *dso, struct map *map, * kernel range is broken in several maps, named [kernel].N, as we don't have * the original ELF section names vmlinux have. */ -static int dso__split_kallsyms(struct dso *dso, struct map *map, +static int dso__split_kallsyms(struct dso *dso, struct map *map, u64 delta, symbol_filter_t filter) { struct map_groups *kmaps = map__kmap(map)->kmaps; @@ -729,6 +693,12 @@ static int dso__split_kallsyms(struct dso *dso, struct map *map, char dso_name[PATH_MAX]; struct dso *ndso; + if (delta) { + /* Kernel was relocated at boot time */ + pos->start -= delta; + pos->end -= delta; + } + if (count == 0) { curr_map = map; goto filter_symbol; @@ -758,6 +728,10 @@ static int dso__split_kallsyms(struct dso *dso, struct map *map, curr_map->map_ip = curr_map->unmap_ip = identity__map_ip; map_groups__insert(kmaps, curr_map); ++kernel_range; + } else if (delta) { + /* Kernel was relocated at boot time */ + pos->start -= delta; + pos->end -= delta; } filter_symbol: if (filter && filter(curr_map, pos)) { @@ -833,7 +807,7 @@ static void delete_modules(struct rb_root *modules) mi = rb_entry(next, struct module_info, rb_node); next = rb_next(&mi->rb_node); rb_erase(&mi->rb_node, modules); - free(mi->name); + zfree(&mi->name); free(mi); } } @@ -1013,6 +987,23 @@ static int validate_kcore_modules(const char *kallsyms_filename, return 0; } +static int validate_kcore_addresses(const char *kallsyms_filename, + struct map *map) +{ + struct kmap *kmap = map__kmap(map); + + if (kmap->ref_reloc_sym && kmap->ref_reloc_sym->name) { + u64 start; + + start = kallsyms__get_function_start(kallsyms_filename, + kmap->ref_reloc_sym->name); + if (start != kmap->ref_reloc_sym->addr) + return -EINVAL; + } + + return validate_kcore_modules(kallsyms_filename, map); +} + struct kcore_mapfn_data { struct dso *dso; enum map_type type; @@ -1056,8 +1047,8 @@ static int dso__load_kcore(struct dso *dso, struct map *map, kallsyms_filename)) return -EINVAL; - /* All modules must be present at their original addresses */ - if (validate_kcore_modules(kallsyms_filename, map)) + /* Modules and kernel must be present at their original addresses */ + if (validate_kcore_addresses(kallsyms_filename, map)) return -EINVAL; md.dso = dso; @@ -1126,10 +1117,10 @@ static int dso__load_kcore(struct dso *dso, struct map *map, * dso__data_read_addr(). */ if (dso->kernel == DSO_TYPE_GUEST_KERNEL) - dso->data_type = DSO_BINARY_TYPE__GUEST_KCORE; + dso->binary_type = DSO_BINARY_TYPE__GUEST_KCORE; else - dso->data_type = DSO_BINARY_TYPE__KCORE; - dso__set_long_name(dso, strdup(kcore_filename)); + dso->binary_type = DSO_BINARY_TYPE__KCORE; + dso__set_long_name(dso, strdup(kcore_filename), true); close(fd); @@ -1150,15 +1141,41 @@ out_err: return -EINVAL; } +/* + * If the kernel is relocated at boot time, kallsyms won't match. Compute the + * delta based on the relocation reference symbol. + */ +static int kallsyms__delta(struct map *map, const char *filename, u64 *delta) +{ + struct kmap *kmap = map__kmap(map); + u64 addr; + + if (!kmap->ref_reloc_sym || !kmap->ref_reloc_sym->name) + return 0; + + addr = kallsyms__get_function_start(filename, + kmap->ref_reloc_sym->name); + if (!addr) + return -1; + + *delta = addr - kmap->ref_reloc_sym->addr; + return 0; +} + int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, symbol_filter_t filter) { + u64 delta = 0; + if (symbol__restricted_filename(filename, "/proc/kallsyms")) return -1; if (dso__load_all_kallsyms(dso, filename, map) < 0) return -1; + if (kallsyms__delta(map, filename, &delta)) + return -1; + symbols__fixup_duplicate(&dso->symbols[map->type]); symbols__fixup_end(&dso->symbols[map->type]); @@ -1170,7 +1187,7 @@ int dso__load_kallsyms(struct dso *dso, const char *filename, if (!dso__load_kcore(dso, map, filename)) return dso__split_kallsyms_for_kcore(dso, map, filter); else - return dso__split_kallsyms(dso, map, filter); + return dso__split_kallsyms(dso, map, delta, filter); } static int dso__load_perf_map(struct dso *dso, struct map *map, @@ -1235,6 +1252,46 @@ out_failure: return -1; } +static bool dso__is_compatible_symtab_type(struct dso *dso, bool kmod, + enum dso_binary_type type) +{ + switch (type) { + case DSO_BINARY_TYPE__JAVA_JIT: + case DSO_BINARY_TYPE__DEBUGLINK: + case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: + case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: + case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: + case DSO_BINARY_TYPE__BUILDID_DEBUGINFO: + case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO: + return !kmod && dso->kernel == DSO_TYPE_USER; + + case DSO_BINARY_TYPE__KALLSYMS: + case DSO_BINARY_TYPE__VMLINUX: + case DSO_BINARY_TYPE__KCORE: + return dso->kernel == DSO_TYPE_KERNEL; + + case DSO_BINARY_TYPE__GUEST_KALLSYMS: + case DSO_BINARY_TYPE__GUEST_VMLINUX: + case DSO_BINARY_TYPE__GUEST_KCORE: + return dso->kernel == DSO_TYPE_GUEST_KERNEL; + + case DSO_BINARY_TYPE__GUEST_KMODULE: + case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE: + /* + * kernel modules know their symtab type - it's set when + * creating a module dso in machine__new_module(). + */ + return kmod && dso->symtab_type == type; + + case DSO_BINARY_TYPE__BUILD_ID_CACHE: + return true; + + case DSO_BINARY_TYPE__NOT_FOUND: + default: + return false; + } +} + int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) { char *name; @@ -1245,6 +1302,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) int ss_pos = 0; struct symsrc ss_[2]; struct symsrc *syms_ss = NULL, *runtime_ss = NULL; + bool kmod; dso__set_loaded(dso, map->type); @@ -1285,7 +1343,11 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) if (!name) return -1; - /* Iterate over candidate debug images. + kmod = dso->symtab_type == DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE || + dso->symtab_type == DSO_BINARY_TYPE__GUEST_KMODULE; + + /* + * Iterate over candidate debug images. * Keep track of "interesting" ones (those which have a symtab, dynsym, * and/or opd section) for processing. */ @@ -1295,8 +1357,11 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) enum dso_binary_type symtab_type = binary_type_symtab[i]; - if (dso__binary_type_file(dso, symtab_type, - root_dir, name, PATH_MAX)) + if (!dso__is_compatible_symtab_type(dso, kmod, symtab_type)) + continue; + + if (dso__read_binary_type_filename(dso, symtab_type, + root_dir, name, PATH_MAX)) continue; /* Name is now the name of the next image to try */ @@ -1306,6 +1371,8 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) if (!syms_ss && symsrc__has_symtab(ss)) { syms_ss = ss; next_slot = true; + if (!dso->symsrc_filename) + dso->symsrc_filename = strdup(name); } if (!runtime_ss && symsrc__possibly_runtime(ss)) { @@ -1318,6 +1385,8 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) if (syms_ss && runtime_ss) break; + } else { + symsrc__destroy(ss); } } @@ -1333,15 +1402,10 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) if (!runtime_ss && syms_ss) runtime_ss = syms_ss; - if (syms_ss) { - int km; - - km = dso->symtab_type == DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE || - dso->symtab_type == DSO_BINARY_TYPE__GUEST_KMODULE; - ret = dso__load_sym(dso, map, syms_ss, runtime_ss, filter, km); - } else { + if (syms_ss) + ret = dso__load_sym(dso, map, syms_ss, runtime_ss, filter, kmod); + else ret = -1; - } if (ret > 0) { int nr_plt; @@ -1376,7 +1440,8 @@ struct map *map_groups__find_by_name(struct map_groups *mg, } int dso__load_vmlinux(struct dso *dso, struct map *map, - const char *vmlinux, symbol_filter_t filter) + const char *vmlinux, bool vmlinux_allocated, + symbol_filter_t filter) { int err = -1; struct symsrc ss; @@ -1402,10 +1467,10 @@ int dso__load_vmlinux(struct dso *dso, struct map *map, if (err > 0) { if (dso->kernel == DSO_TYPE_GUEST_KERNEL) - dso->data_type = DSO_BINARY_TYPE__GUEST_VMLINUX; + dso->binary_type = DSO_BINARY_TYPE__GUEST_VMLINUX; else - dso->data_type = DSO_BINARY_TYPE__VMLINUX; - dso__set_long_name(dso, (char *)vmlinux); + dso->binary_type = DSO_BINARY_TYPE__VMLINUX; + dso__set_long_name(dso, vmlinux, vmlinux_allocated); dso__set_loaded(dso, map->type); pr_debug("Using %s for symbols\n", symfs_vmlinux); } @@ -1424,21 +1489,16 @@ int dso__load_vmlinux_path(struct dso *dso, struct map *map, filename = dso__build_id_filename(dso, NULL, 0); if (filename != NULL) { - err = dso__load_vmlinux(dso, map, filename, filter); - if (err > 0) { - dso->lname_alloc = 1; + err = dso__load_vmlinux(dso, map, filename, true, filter); + if (err > 0) goto out; - } free(filename); } for (i = 0; i < vmlinux_path__nr_entries; ++i) { - err = dso__load_vmlinux(dso, map, vmlinux_path[i], filter); - if (err > 0) { - dso__set_long_name(dso, strdup(vmlinux_path[i])); - dso->lname_alloc = 1; + err = dso__load_vmlinux(dso, map, vmlinux_path[i], false, filter); + if (err > 0) break; - } } out: return err; @@ -1463,7 +1523,7 @@ static int find_matching_kcore(struct map *map, char *dir, size_t dir_sz) continue; scnprintf(kallsyms_filename, sizeof(kallsyms_filename), "%s/%s/kallsyms", dir, dent->d_name); - if (!validate_kcore_modules(kallsyms_filename, map)) { + if (!validate_kcore_addresses(kallsyms_filename, map)) { strlcpy(dir, kallsyms_filename, dir_sz); ret = 0; break; @@ -1496,14 +1556,15 @@ static char *dso__find_kallsyms(struct dso *dso, struct map *map) build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); + scnprintf(path, sizeof(path), "%s/[kernel.kcore]/%s", buildid_dir, + sbuild_id); + /* Use /proc/kallsyms if possible */ if (is_host) { DIR *d; int fd; /* If no cached kcore go with /proc/kallsyms */ - scnprintf(path, sizeof(path), "%s/[kernel.kcore]/%s", - buildid_dir, sbuild_id); d = opendir(path); if (!d) goto proc_kallsyms; @@ -1517,7 +1578,7 @@ static char *dso__find_kallsyms(struct dso *dso, struct map *map) if (fd != -1) { close(fd); /* If module maps match go with /proc/kallsyms */ - if (!validate_kcore_modules("/proc/kallsyms", map)) + if (!validate_kcore_addresses("/proc/kallsyms", map)) goto proc_kallsyms; } @@ -1528,6 +1589,10 @@ static char *dso__find_kallsyms(struct dso *dso, struct map *map) goto proc_kallsyms; } + /* Find kallsyms in build-id cache with kcore */ + if (!find_matching_kcore(map, path, sizeof(path))) + return strdup(path); + scnprintf(path, sizeof(path), "%s/[kernel.kallsyms]/%s", buildid_dir, sbuild_id); @@ -1570,15 +1635,8 @@ static int dso__load_kernel_sym(struct dso *dso, struct map *map, } if (!symbol_conf.ignore_vmlinux && symbol_conf.vmlinux_name != NULL) { - err = dso__load_vmlinux(dso, map, - symbol_conf.vmlinux_name, filter); - if (err > 0) { - dso__set_long_name(dso, - strdup(symbol_conf.vmlinux_name)); - dso->lname_alloc = 1; - return err; - } - return err; + return dso__load_vmlinux(dso, map, symbol_conf.vmlinux_name, + false, filter); } if (!symbol_conf.ignore_vmlinux && vmlinux_path != NULL) { @@ -1604,7 +1662,7 @@ do_kallsyms: free(kallsyms_allocated_filename); if (err > 0 && !dso__is_kcore(dso)) { - dso__set_long_name(dso, strdup("[kernel.kallsyms]")); + dso__set_long_name(dso, "[kernel.kallsyms]", false); map__fixup_start(map); map__fixup_end(map); } @@ -1634,7 +1692,8 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, */ if (symbol_conf.default_guest_vmlinux_name != NULL) { err = dso__load_vmlinux(dso, map, - symbol_conf.default_guest_vmlinux_name, filter); + symbol_conf.default_guest_vmlinux_name, + false, filter); return err; } @@ -1651,7 +1710,7 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, pr_debug("Using %s for symbols\n", kallsyms_filename); if (err > 0 && !dso__is_kcore(dso)) { machine__mmap_name(machine, path, sizeof(path)); - dso__set_long_name(dso, strdup(path)); + dso__set_long_name(dso, strdup(path), true); map__fixup_start(map); map__fixup_end(map); } @@ -1661,13 +1720,10 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, static void vmlinux_path__exit(void) { - while (--vmlinux_path__nr_entries >= 0) { - free(vmlinux_path[vmlinux_path__nr_entries]); - vmlinux_path[vmlinux_path__nr_entries] = NULL; - } + while (--vmlinux_path__nr_entries >= 0) + zfree(&vmlinux_path[vmlinux_path__nr_entries]); - free(vmlinux_path); - vmlinux_path = NULL; + zfree(&vmlinux_path); } static int vmlinux_path__init(void) @@ -1719,7 +1775,7 @@ out_fail: return -1; } -static int setup_list(struct strlist **list, const char *list_str, +int setup_list(struct strlist **list, const char *list_str, const char *list_name) { if (list_str == NULL) diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 07de8fea2f4..615c752dd76 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -12,6 +12,7 @@ #include <byteswap.h> #include <libgen.h> #include "build-id.h" +#include "event.h" #ifdef HAVE_LIBELF_SUPPORT #include <libelf.h> @@ -52,6 +53,11 @@ static inline char *bfd_demangle(void __maybe_unused *v, # define PERF_ELF_C_READ_MMAP ELF_C_READ #endif +#ifdef HAVE_LIBELF_SUPPORT +extern Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, + GElf_Shdr *shp, const char *name, size_t *idx); +#endif + #ifndef DMGL_PARAMS #define DMGL_PARAMS (1 << 0) /* Include function args */ #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ @@ -74,6 +80,17 @@ struct symbol { void symbol__delete(struct symbol *sym); void symbols__delete(struct rb_root *symbols); +/* symbols__for_each_entry - iterate over symbols (rb_root) + * + * @symbols: the rb_root of symbols + * @pos: the 'struct symbol *' to use as a loop cursor + * @nd: the 'struct rb_node *' to use as a temporary storage + */ +#define symbols__for_each_entry(symbols, pos, nd) \ + for (nd = rb_first(symbols); \ + nd && (pos = rb_entry(nd, struct symbol, rb_node)); \ + nd = rb_next(nd)) + static inline size_t symbol__size(const struct symbol *sym) { return sym->end - sym->start + 1; @@ -92,6 +109,7 @@ struct symbol_conf { show_nr_samples, show_total_period, use_callchain, + cumulate_callchain, exclude_other, show_cpu_utilization, initialized, @@ -99,7 +117,8 @@ struct symbol_conf { annotate_asm_raw, annotate_src, event_group, - demangle; + demangle, + filter_relative; const char *vmlinux_name, *kallsyms_name, *source_prefix, @@ -164,12 +183,13 @@ struct mem_info { }; struct addr_location { + struct machine *machine; struct thread *thread; struct map *map; struct symbol *sym; u64 addr; char level; - bool filtered; + u8 filtered; u8 cpumode; s32 cpu; }; @@ -206,7 +226,8 @@ bool symsrc__possibly_runtime(struct symsrc *ss); int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_vmlinux(struct dso *dso, struct map *map, - const char *vmlinux, symbol_filter_t filter); + const char *vmlinux, bool vmlinux_allocated, + symbol_filter_t filter); int dso__load_vmlinux_path(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, @@ -216,13 +237,9 @@ struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, u64 addr); struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, const char *name); -struct symbol *dso__first_symbol(struct dso *dso, enum map_type type); int filename__read_build_id(const char *filename, void *bf, size_t size); int sysfs__read_build_id(const char *filename, void *bf, size_t size); -int kallsyms__parse(const char *filename, void *arg, - int (*process_symbol)(void *arg, const char *name, - char type, u64 start)); int modules__parse(const char *filename, void *arg, int (*process_module)(void *arg, const char *name, u64 start)); @@ -240,6 +257,7 @@ size_t symbol__fprintf(struct symbol *sym, FILE *fp); bool symbol_type__is_a(char symbol_type, enum map_type map_type); bool symbol__restricted_filename(const char *filename, const char *restricted_filename); +bool symbol__is_idle(struct symbol *sym); int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, struct symsrc *runtime_ss, symbol_filter_t filter, @@ -273,4 +291,7 @@ void kcore_extract__delete(struct kcore_extract *kce); int kcore_copy(const char *from_dir, const char *to_dir); int compare_proc_modules(const char *from, const char *to); +int setup_list(struct strlist **list, const char *list_str, + const char *list_name); + #endif /* __PERF_SYMBOL */ diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c index 3c778a07b7c..e74c5963dc7 100644 --- a/tools/perf/util/target.c +++ b/tools/perf/util/target.c @@ -55,6 +55,13 @@ enum target_errno target__validate(struct target *target) ret = TARGET_ERRNO__UID_OVERRIDE_SYSTEM; } + /* THREAD and SYSTEM/CPU are mutually exclusive */ + if (target->per_thread && (target->system_wide || target->cpu_list)) { + target->per_thread = false; + if (ret == TARGET_ERRNO__SUCCESS) + ret = TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD; + } + return ret; } @@ -100,6 +107,7 @@ static const char *target__error_str[] = { "UID switch overriding CPU", "PID/TID switch overriding SYSTEM", "UID switch overriding SYSTEM", + "SYSTEM/CPU switch overriding PER-THREAD", "Invalid User: %s", "Problems obtaining information for user %s", }; @@ -131,7 +139,8 @@ int target__strerror(struct target *target, int errnum, msg = target__error_str[idx]; switch (errnum) { - case TARGET_ERRNO__PID_OVERRIDE_CPU ... TARGET_ERRNO__UID_OVERRIDE_SYSTEM: + case TARGET_ERRNO__PID_OVERRIDE_CPU ... + TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD: snprintf(buf, buflen, "%s", msg); break; diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h index 2d0c5069089..7381b1ca404 100644 --- a/tools/perf/util/target.h +++ b/tools/perf/util/target.h @@ -12,7 +12,8 @@ struct target { uid_t uid; bool system_wide; bool uses_mmap; - bool force_per_cpu; + bool default_per_cpu; + bool per_thread; }; enum target_errno { @@ -33,6 +34,7 @@ enum target_errno { TARGET_ERRNO__UID_OVERRIDE_CPU, TARGET_ERRNO__PID_OVERRIDE_SYSTEM, TARGET_ERRNO__UID_OVERRIDE_SYSTEM, + TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD, /* for target__parse_uid() */ TARGET_ERRNO__INVALID_UID, @@ -61,4 +63,17 @@ static inline bool target__none(struct target *target) return !target__has_task(target) && !target__has_cpu(target); } +static inline bool target__uses_dummy_map(struct target *target) +{ + bool use_dummy = false; + + if (target->default_per_cpu) + use_dummy = target->per_thread ? true : false; + else if (target__has_task(target) || + (!target__has_cpu(target) && !target->uses_mmap)) + use_dummy = true; + + return use_dummy; +} + #endif /* _PERF_TARGET_H */ diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 49eaf1d7d89..2fde0d5e40b 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -8,6 +8,22 @@ #include "debug.h" #include "comm.h" +int thread__init_map_groups(struct thread *thread, struct machine *machine) +{ + struct thread *leader; + pid_t pid = thread->pid_; + + if (pid == thread->tid) { + thread->mg = map_groups__new(); + } else { + leader = machine__findnew_thread(machine, pid, pid); + if (leader) + thread->mg = map_groups__get(leader->mg); + } + + return thread->mg ? 0 : -1; +} + struct thread *thread__new(pid_t pid, pid_t tid) { char *comm_str; @@ -15,7 +31,6 @@ struct thread *thread__new(pid_t pid, pid_t tid) struct thread *thread = zalloc(sizeof(*thread)); if (thread != NULL) { - map_groups__init(&thread->mg); thread->pid_ = pid; thread->tid = tid; thread->ppid = -1; @@ -45,7 +60,8 @@ void thread__delete(struct thread *thread) { struct comm *comm, *tmp; - map_groups__exit(&thread->mg); + map_groups__put(thread->mg); + thread->mg = NULL; list_for_each_entry_safe(comm, tmp, &thread->comm_list, list) { list_del(&comm->list); comm__free(comm); @@ -66,10 +82,13 @@ struct comm *thread__comm(const struct thread *thread) int thread__set_comm(struct thread *thread, const char *str, u64 timestamp) { struct comm *new, *curr = thread__comm(thread); + int err; /* Override latest entry if it had no specific time coverage */ if (!curr->start) { - comm__override(curr, str, timestamp); + err = comm__override(curr, str, timestamp); + if (err) + return err; } else { new = comm__new(str, timestamp); if (!new) @@ -108,34 +127,67 @@ int thread__comm_len(struct thread *thread) size_t thread__fprintf(struct thread *thread, FILE *fp) { return fprintf(fp, "Thread %d %s\n", thread->tid, thread__comm_str(thread)) + - map_groups__fprintf(&thread->mg, verbose, fp); + map_groups__fprintf(thread->mg, verbose, fp); } void thread__insert_map(struct thread *thread, struct map *map) { - map_groups__fixup_overlappings(&thread->mg, map, verbose, stderr); - map_groups__insert(&thread->mg, map); + map_groups__fixup_overlappings(thread->mg, map, verbose, stderr); + map_groups__insert(thread->mg, map); +} + +static int thread__clone_map_groups(struct thread *thread, + struct thread *parent) +{ + int i; + + /* This is new thread, we share map groups for process. */ + if (thread->pid_ == parent->pid_) + return 0; + + /* But this one is new process, copy maps. */ + for (i = 0; i < MAP__NR_TYPES; ++i) + if (map_groups__clone(thread->mg, parent->mg, i) < 0) + return -ENOMEM; + + return 0; } int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp) { - int i, err; + int err; if (parent->comm_set) { const char *comm = thread__comm_str(parent); if (!comm) return -ENOMEM; err = thread__set_comm(thread, comm, timestamp); - if (!err) + if (err) return err; thread->comm_set = true; } - for (i = 0; i < MAP__NR_TYPES; ++i) - if (map_groups__clone(&thread->mg, &parent->mg, i) < 0) - return -ENOMEM; - thread->ppid = parent->tid; + return thread__clone_map_groups(thread, parent); +} - return 0; +void thread__find_cpumode_addr_location(struct thread *thread, + struct machine *machine, + enum map_type type, u64 addr, + struct addr_location *al) +{ + size_t i; + const u8 const cpumodes[] = { + PERF_RECORD_MISC_USER, + PERF_RECORD_MISC_KERNEL, + PERF_RECORD_MISC_GUEST_USER, + PERF_RECORD_MISC_GUEST_KERNEL + }; + + for (i = 0; i < ARRAY_SIZE(cpumodes); i++) { + thread__find_addr_location(thread, machine, cpumodes[i], type, + addr, al); + if (al->map) + break; + } } diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 897c1b2a750..3c0c2724f82 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -6,13 +6,14 @@ #include <unistd.h> #include <sys/types.h> #include "symbol.h" +#include <strlist.h> struct thread { union { struct rb_node rb_node; struct list_head node; }; - struct map_groups mg; + struct map_groups *mg; pid_t pid_; /* Not all tools update this */ pid_t tid; pid_t ppid; @@ -29,6 +30,7 @@ struct machine; struct comm; struct thread *thread__new(pid_t pid, pid_t tid); +int thread__init_map_groups(struct thread *thread, struct machine *machine); void thread__delete(struct thread *thread); static inline void thread__exited(struct thread *thread) { @@ -43,12 +45,6 @@ void thread__insert_map(struct thread *thread, struct map *map); int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp); size_t thread__fprintf(struct thread *thread, FILE *fp); -static inline struct map *thread__find_map(struct thread *thread, - enum map_type type, u64 addr) -{ - return thread ? map_groups__find(&thread->mg, type, addr) : NULL; -} - void thread__find_addr_map(struct thread *thread, struct machine *machine, u8 cpumode, enum map_type type, u64 addr, struct addr_location *al); @@ -57,6 +53,11 @@ void thread__find_addr_location(struct thread *thread, struct machine *machine, u8 cpumode, enum map_type type, u64 addr, struct addr_location *al); +void thread__find_cpumode_addr_location(struct thread *thread, + struct machine *machine, + enum map_type type, u64 addr, + struct addr_location *al); + static inline void *thread__priv(struct thread *thread) { return thread->priv; @@ -66,4 +67,15 @@ static inline void thread__set_priv(struct thread *thread, void *p) { thread->priv = p; } + +static inline bool thread__is_filtered(struct thread *thread) +{ + if (symbol_conf.comm_list && + !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { + return true; + } + + return false; +} + #endif /* __PERF_THREAD_H */ diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index 9b5f856cc28..5d321591210 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -9,6 +9,7 @@ #include "strlist.h" #include <string.h> #include "thread_map.h" +#include "util.h" /* Skip "." and ".." directories */ static int filter(const struct dirent *dir) @@ -40,7 +41,7 @@ struct thread_map *thread_map__new_by_pid(pid_t pid) } for (i=0; i<items; i++) - free(namelist[i]); + zfree(&namelist[i]); free(namelist); return threads; @@ -117,7 +118,7 @@ struct thread_map *thread_map__new_by_uid(uid_t uid) threads->map[threads->nr + i] = atoi(namelist[i]->d_name); for (i = 0; i < items; i++) - free(namelist[i]); + zfree(&namelist[i]); free(namelist); threads->nr += items; @@ -134,12 +135,11 @@ out_free_threads: out_free_namelist: for (i = 0; i < items; i++) - free(namelist[i]); + zfree(&namelist[i]); free(namelist); out_free_closedir: - free(threads); - threads = NULL; + zfree(&threads); goto out_closedir; } @@ -194,7 +194,7 @@ static struct thread_map *thread_map__new_by_pid_str(const char *pid_str) for (i = 0; i < items; i++) { threads->map[j++] = atoi(namelist[i]->d_name); - free(namelist[i]); + zfree(&namelist[i]); } threads->nr = total_tasks; free(namelist); @@ -206,12 +206,11 @@ out: out_free_namelist: for (i = 0; i < items; i++) - free(namelist[i]); + zfree(&namelist[i]); free(namelist); out_free_threads: - free(threads); - threads = NULL; + zfree(&threads); goto out; } @@ -262,8 +261,7 @@ out: return threads; out_free_threads: - free(threads); - threads = NULL; + zfree(&threads); goto out; } diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c index ce793c7dd23..8e517def925 100644 --- a/tools/perf/util/top.c +++ b/tools/perf/util/top.c @@ -26,7 +26,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size) float samples_per_sec; float ksamples_per_sec; float esamples_percent; - struct perf_record_opts *opts = &top->record_opts; + struct record_opts *opts = &top->record_opts; struct target *target = &opts->target; size_t ret = 0; diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h index 88cfeaff600..f92c37abb0a 100644 --- a/tools/perf/util/top.h +++ b/tools/perf/util/top.h @@ -2,7 +2,7 @@ #define __PERF_TOP_H 1 #include "tool.h" -#include "types.h" +#include <linux/types.h> #include <stddef.h> #include <stdbool.h> #include <termios.h> @@ -14,7 +14,7 @@ struct perf_session; struct perf_top { struct perf_tool tool; struct perf_evlist *evlist; - struct perf_record_opts record_opts; + struct record_opts record_opts; /* * Symbols will be added here in perf_event__process_sample and will * get out after decayed. diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c index f3c9e551bd3..7e6fcfe8b43 100644 --- a/tools/perf/util/trace-event-info.c +++ b/tools/perf/util/trace-event-info.c @@ -38,7 +38,7 @@ #include "../perf.h" #include "trace-event.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include "evsel.h" #define VERSION "0.5" @@ -397,8 +397,8 @@ put_tracepoints_path(struct tracepoint_path *tps) struct tracepoint_path *t = tps; tps = tps->next; - free(t->name); - free(t->system); + zfree(&t->name); + zfree(&t->system); free(t); } } @@ -562,10 +562,8 @@ out: output_fd = fd; } - if (err) { - free(tdata); - tdata = NULL; - } + if (err) + zfree(&tdata); put_tracepoints_path(tps); return tdata; diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 6681f71f2f9..c36636fd825 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -28,19 +28,6 @@ #include "util.h" #include "trace-event.h" -struct pevent *read_trace_init(int file_bigendian, int host_bigendian) -{ - struct pevent *pevent = pevent_alloc(); - - if (pevent != NULL) { - pevent_set_flag(pevent, PEVENT_NSEC_OUTPUT); - pevent_set_file_bigendian(pevent, file_bigendian); - pevent_set_host_bigendian(pevent, host_bigendian); - } - - return pevent; -} - static int get_common_field(struct scripting_context *context, int *offset, int *size, const char *type) { @@ -139,6 +126,7 @@ void event_format__print(struct event_format *event, trace_seq_init(&s); pevent_event_info(&s, event, &record); trace_seq_do_printf(&s); + trace_seq_destroy(&s); } void parse_proc_kallsyms(struct pevent *pevent, diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index f2112270c66..e113e180c48 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -343,7 +343,7 @@ static int read_event_files(struct pevent *pevent) return 0; } -ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe) +ssize_t trace_report(int fd, struct trace_event *tevent, bool __repipe) { char buf[BUFSIZ]; char test[] = { 23, 8, 68 }; @@ -356,11 +356,9 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe) int host_bigendian; int file_long_size; int file_page_size; - struct pevent *pevent; + struct pevent *pevent = NULL; int err; - *ppevent = NULL; - repipe = __repipe; input_fd = fd; @@ -390,12 +388,17 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe) file_bigendian = buf[0]; host_bigendian = bigendian(); - pevent = read_trace_init(file_bigendian, host_bigendian); - if (pevent == NULL) { - pr_debug("read_trace_init failed"); + if (trace_event__init(tevent)) { + pr_debug("trace_event__init failed"); goto out; } + pevent = tevent->pevent; + + pevent_set_flag(pevent, PEVENT_NSEC_OUTPUT); + pevent_set_file_bigendian(pevent, file_bigendian); + pevent_set_host_bigendian(pevent, host_bigendian); + if (do_read(buf, 1) < 0) goto out; file_long_size = buf[0]; @@ -432,11 +435,10 @@ ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe) pevent_print_printk(pevent); } - *ppevent = pevent; pevent = NULL; out: if (pevent) - pevent_free(pevent); + trace_event__cleanup(tevent); return size; } diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index 95199e4eea9..57aaccc1692 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -38,9 +38,8 @@ static int stop_script_unsupported(void) static void process_event_unsupported(union perf_event *event __maybe_unused, struct perf_sample *sample __maybe_unused, struct perf_evsel *evsel __maybe_unused, - struct machine *machine __maybe_unused, struct thread *thread __maybe_unused, - struct addr_location *al __maybe_unused) + struct addr_location *al __maybe_unused) { } diff --git a/tools/perf/util/trace-event.c b/tools/perf/util/trace-event.c new file mode 100644 index 00000000000..6322d37164c --- /dev/null +++ b/tools/perf/util/trace-event.c @@ -0,0 +1,82 @@ + +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <linux/kernel.h> +#include <traceevent/event-parse.h> +#include "trace-event.h" +#include "util.h" + +/* + * global trace_event object used by trace_event__tp_format + * + * TODO There's no cleanup call for this. Add some sort of + * __exit function support and call trace_event__cleanup + * there. + */ +static struct trace_event tevent; + +int trace_event__init(struct trace_event *t) +{ + struct pevent *pevent = pevent_alloc(); + + if (pevent) { + t->plugin_list = traceevent_load_plugins(pevent); + t->pevent = pevent; + } + + return pevent ? 0 : -1; +} + +void trace_event__cleanup(struct trace_event *t) +{ + traceevent_unload_plugins(t->plugin_list, t->pevent); + pevent_free(t->pevent); +} + +static struct event_format* +tp_format(const char *sys, const char *name) +{ + struct pevent *pevent = tevent.pevent; + struct event_format *event = NULL; + char path[PATH_MAX]; + size_t size; + char *data; + + scnprintf(path, PATH_MAX, "%s/%s/%s/format", + tracing_events_path, sys, name); + + if (filename__read_str(path, &data, &size)) + return NULL; + + pevent_parse_format(pevent, &event, data, size, sys); + + free(data); + return event; +} + +struct event_format* +trace_event__tp_format(const char *sys, const char *name) +{ + static bool initialized; + + if (!initialized) { + int be = traceevent_host_bigendian(); + struct pevent *pevent; + + if (trace_event__init(&tevent)) + return NULL; + + pevent = tevent.pevent; + pevent_set_flag(pevent, PEVENT_NSEC_OUTPUT); + pevent_set_file_bigendian(pevent, be); + pevent_set_host_bigendian(pevent, be); + initialized = true; + } + + return tp_format(sys, name); +} diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 04df6311410..7b6d6868832 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -3,17 +3,26 @@ #include <traceevent/event-parse.h> #include "parse-events.h" -#include "session.h" struct machine; struct perf_sample; union perf_event; struct perf_tool; struct thread; +struct plugin_list; + +struct trace_event { + struct pevent *pevent; + struct plugin_list *plugin_list; +}; + +int trace_event__init(struct trace_event *t); +void trace_event__cleanup(struct trace_event *t); +struct event_format* +trace_event__tp_format(const char *sys, const char *name); int bigendian(void); -struct pevent *read_trace_init(int file_bigendian, int host_bigendian); void event_format__print(struct event_format *event, int cpu, void *data, int size); @@ -27,7 +36,7 @@ raw_field_value(struct event_format *event, const char *name, void *data); void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size); void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size); -ssize_t trace_report(int fd, struct pevent **pevent, bool repipe); +ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe); struct event_format *trace_find_next_event(struct pevent *pevent, struct event_format *event); @@ -59,7 +68,6 @@ struct scripting_ops { void (*process_event) (union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine, struct thread *thread, struct addr_location *al); int (*generate_script) (struct pevent *pevent, const char *outfile); diff --git a/tools/perf/util/types.h b/tools/perf/util/types.h deleted file mode 100644 index c51fa6b70a2..00000000000 --- a/tools/perf/util/types.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef __PERF_TYPES_H -#define __PERF_TYPES_H - -#include <stdint.h> - -/* - * We define u64 as uint64_t for every architecture - * so that we can print it with "%"PRIx64 without getting warnings. - */ -typedef uint64_t u64; -typedef int64_t s64; -typedef unsigned int u32; -typedef signed int s32; -typedef unsigned short u16; -typedef signed short s16; -typedef unsigned char u8; -typedef signed char s8; - -union u64_swap { - u64 val64; - u32 val32[2]; -}; - -#endif /* __PERF_TYPES_H */ diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c new file mode 100644 index 00000000000..5ec80a575b5 --- /dev/null +++ b/tools/perf/util/unwind-libdw.c @@ -0,0 +1,210 @@ +#include <linux/compiler.h> +#include <elfutils/libdw.h> +#include <elfutils/libdwfl.h> +#include <inttypes.h> +#include <errno.h> +#include "unwind.h" +#include "unwind-libdw.h" +#include "machine.h" +#include "thread.h" +#include <linux/types.h> +#include "event.h" +#include "perf_regs.h" + +static char *debuginfo_path; + +static const Dwfl_Callbacks offline_callbacks = { + .find_debuginfo = dwfl_standard_find_debuginfo, + .debuginfo_path = &debuginfo_path, + .section_address = dwfl_offline_section_address, +}; + +static int __report_module(struct addr_location *al, u64 ip, + struct unwind_info *ui) +{ + Dwfl_Module *mod; + struct dso *dso = NULL; + + thread__find_addr_location(ui->thread, ui->machine, + PERF_RECORD_MISC_USER, + MAP__FUNCTION, ip, al); + + if (al->map) + dso = al->map->dso; + + if (!dso) + return 0; + + mod = dwfl_addrmodule(ui->dwfl, ip); + if (!mod) + mod = dwfl_report_elf(ui->dwfl, dso->short_name, + dso->long_name, -1, al->map->start, + false); + + return mod && dwfl_addrmodule(ui->dwfl, ip) == mod ? 0 : -1; +} + +static int report_module(u64 ip, struct unwind_info *ui) +{ + struct addr_location al; + + return __report_module(&al, ip, ui); +} + +static int entry(u64 ip, struct unwind_info *ui) + +{ + struct unwind_entry e; + struct addr_location al; + + if (__report_module(&al, ip, ui)) + return -1; + + e.ip = ip; + e.map = al.map; + e.sym = al.sym; + + pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n", + al.sym ? al.sym->name : "''", + ip, + al.map ? al.map->map_ip(al.map, ip) : (u64) 0); + + return ui->cb(&e, ui->arg); +} + +static pid_t next_thread(Dwfl *dwfl, void *arg, void **thread_argp) +{ + /* We want only single thread to be processed. */ + if (*thread_argp != NULL) + return 0; + + *thread_argp = arg; + return dwfl_pid(dwfl); +} + +static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr, + Dwarf_Word *data) +{ + struct addr_location al; + ssize_t size; + + thread__find_addr_map(ui->thread, ui->machine, PERF_RECORD_MISC_USER, + MAP__FUNCTION, addr, &al); + if (!al.map) { + pr_debug("unwind: no map for %lx\n", (unsigned long)addr); + return -1; + } + + if (!al.map->dso) + return -1; + + size = dso__data_read_addr(al.map->dso, al.map, ui->machine, + addr, (u8 *) data, sizeof(*data)); + + return !(size == sizeof(*data)); +} + +static bool memory_read(Dwfl *dwfl __maybe_unused, Dwarf_Addr addr, Dwarf_Word *result, + void *arg) +{ + struct unwind_info *ui = arg; + struct stack_dump *stack = &ui->sample->user_stack; + u64 start, end; + int offset; + int ret; + + ret = perf_reg_value(&start, &ui->sample->user_regs, PERF_REG_SP); + if (ret) + return false; + + end = start + stack->size; + + /* Check overflow. */ + if (addr + sizeof(Dwarf_Word) < addr) + return false; + + if (addr < start || addr + sizeof(Dwarf_Word) > end) { + ret = access_dso_mem(ui, addr, result); + if (ret) { + pr_debug("unwind: access_mem 0x%" PRIx64 " not inside range" + " 0x%" PRIx64 "-0x%" PRIx64 "\n", + addr, start, end); + return false; + } + return true; + } + + offset = addr - start; + *result = *(Dwarf_Word *)&stack->data[offset]; + pr_debug("unwind: access_mem addr 0x%" PRIx64 ", val %lx, offset %d\n", + addr, (unsigned long)*result, offset); + return true; +} + +static const Dwfl_Thread_Callbacks callbacks = { + .next_thread = next_thread, + .memory_read = memory_read, + .set_initial_registers = libdw__arch_set_initial_registers, +}; + +static int +frame_callback(Dwfl_Frame *state, void *arg) +{ + struct unwind_info *ui = arg; + Dwarf_Addr pc; + + if (!dwfl_frame_pc(state, &pc, NULL)) { + pr_err("%s", dwfl_errmsg(-1)); + return DWARF_CB_ABORT; + } + + return entry(pc, ui) || !(--ui->max_stack) ? + DWARF_CB_ABORT : DWARF_CB_OK; +} + +int unwind__get_entries(unwind_entry_cb_t cb, void *arg, + struct machine *machine, struct thread *thread, + struct perf_sample *data, + int max_stack) +{ + struct unwind_info ui = { + .sample = data, + .thread = thread, + .machine = machine, + .cb = cb, + .arg = arg, + .max_stack = max_stack, + }; + Dwarf_Word ip; + int err = -EINVAL; + + if (!data->user_regs.regs) + return -EINVAL; + + ui.dwfl = dwfl_begin(&offline_callbacks); + if (!ui.dwfl) + goto out; + + err = perf_reg_value(&ip, &data->user_regs, PERF_REG_IP); + if (err) + goto out; + + err = report_module(ip, &ui); + if (err) + goto out; + + if (!dwfl_attach_state(ui.dwfl, EM_NONE, thread->tid, &callbacks, &ui)) + goto out; + + err = dwfl_getthread_frames(ui.dwfl, thread->tid, frame_callback, &ui); + + if (err && !ui.max_stack) + err = 0; + + out: + if (err) + pr_debug("unwind: failed with '%s'\n", dwfl_errmsg(-1)); + + dwfl_end(ui.dwfl); + return 0; +} diff --git a/tools/perf/util/unwind-libdw.h b/tools/perf/util/unwind-libdw.h new file mode 100644 index 00000000000..417a1426f3a --- /dev/null +++ b/tools/perf/util/unwind-libdw.h @@ -0,0 +1,21 @@ +#ifndef __PERF_UNWIND_LIBDW_H +#define __PERF_UNWIND_LIBDW_H + +#include <elfutils/libdwfl.h> +#include "event.h" +#include "thread.h" +#include "unwind.h" + +bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg); + +struct unwind_info { + Dwfl *dwfl; + struct perf_sample *sample; + struct machine *machine; + struct thread *thread; + unwind_entry_cb_t cb; + void *arg; + int max_stack; +}; + +#endif /* __PERF_UNWIND_LIBDW_H */ diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind-libunwind.c index 0efd5393de8..25578b98f5c 100644 --- a/tools/perf/util/unwind.c +++ b/tools/perf/util/unwind-libunwind.c @@ -28,6 +28,7 @@ #include "session.h" #include "perf_regs.h" #include "unwind.h" +#include "symbol.h" #include "util.h" extern int @@ -85,7 +86,6 @@ struct unwind_info { struct perf_sample *sample; struct machine *machine; struct thread *thread; - u64 sample_uregs; }; #define dw_read(ptr, type, end) ({ \ @@ -158,23 +158,6 @@ static int __dw_read_encoded_value(u8 **p, u8 *end, u64 *val, __v; \ }) -static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, - GElf_Shdr *shp, const char *name) -{ - Elf_Scn *sec = NULL; - - while ((sec = elf_nextscn(elf, sec)) != NULL) { - char *str; - - gelf_getshdr(sec, shp); - str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name); - if (!strcmp(name, str)) - break; - } - - return sec; -} - static u64 elf_section_offset(int fd, const char *name) { Elf *elf; @@ -190,7 +173,7 @@ static u64 elf_section_offset(int fd, const char *name) if (gelf_getehdr(elf, &ehdr) == NULL) break; - if (!elf_section_by_name(elf, &ehdr, &shdr, name)) + if (!elf_section_by_name(elf, &ehdr, &shdr, name, NULL)) break; offset = shdr.sh_offset; @@ -267,7 +250,6 @@ static int read_unwind_spec_eh_frame(struct dso *dso, struct machine *machine, /* Check the .eh_frame section for unwinding info */ offset = elf_section_offset(fd, ".eh_frame_hdr"); - close(fd); if (offset) ret = unwind_spec_ehframe(dso, machine, offset, @@ -288,7 +270,6 @@ static int read_unwind_spec_debug_frame(struct dso *dso, /* Check the .debug_frame section for unwinding info */ *offset = elf_section_offset(fd, ".debug_frame"); - close(fd); if (*offset) return 0; @@ -340,10 +321,10 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, /* Check the .debug_frame section for unwinding info */ if (!read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) { memset(&di, 0, sizeof(di)); - dwarf_find_debug_frame(0, &di, ip, 0, map->dso->name, - map->start, map->end); - return dwarf_search_unwind_table(as, ip, &di, pi, - need_unwind_info, arg); + if (dwarf_find_debug_frame(0, &di, ip, 0, map->dso->name, + map->start, map->end)) + return dwarf_search_unwind_table(as, ip, &di, pi, + need_unwind_info, arg); } #endif @@ -407,30 +388,13 @@ static int access_dso_mem(struct unwind_info *ui, unw_word_t addr, return !(size == sizeof(*data)); } -static int reg_value(unw_word_t *valp, struct regs_dump *regs, int id, - u64 sample_regs) -{ - int i, idx = 0; - - if (!(sample_regs & (1 << id))) - return -EINVAL; - - for (i = 0; i < id; i++) { - if (sample_regs & (1 << i)) - idx++; - } - - *valp = regs->regs[idx]; - return 0; -} - static int access_mem(unw_addr_space_t __maybe_unused as, unw_word_t addr, unw_word_t *valp, int __write, void *arg) { struct unwind_info *ui = arg; struct stack_dump *stack = &ui->sample->user_stack; - unw_word_t start, end; + u64 start, end; int offset; int ret; @@ -440,8 +404,7 @@ static int access_mem(unw_addr_space_t __maybe_unused as, return 0; } - ret = reg_value(&start, &ui->sample->user_regs, PERF_REG_SP, - ui->sample_uregs); + ret = perf_reg_value(&start, &ui->sample->user_regs, PERF_REG_SP); if (ret) return ret; @@ -454,8 +417,9 @@ static int access_mem(unw_addr_space_t __maybe_unused as, if (addr < start || addr + sizeof(unw_word_t) >= end) { ret = access_dso_mem(ui, addr, valp); if (ret) { - pr_debug("unwind: access_mem %p not inside range %p-%p\n", - (void *)addr, (void *)start, (void *)end); + pr_debug("unwind: access_mem %p not inside range" + " 0x%" PRIx64 "-0x%" PRIx64 "\n", + (void *) addr, start, end); *valp = 0; return ret; } @@ -464,8 +428,8 @@ static int access_mem(unw_addr_space_t __maybe_unused as, offset = addr - start; *valp = *(unw_word_t *)&stack->data[offset]; - pr_debug("unwind: access_mem addr %p, val %lx, offset %d\n", - (void *)addr, (unsigned long)*valp, offset); + pr_debug("unwind: access_mem addr %p val %lx, offset %d\n", + (void *) addr, (unsigned long)*valp, offset); return 0; } @@ -475,6 +439,7 @@ static int access_reg(unw_addr_space_t __maybe_unused as, { struct unwind_info *ui = arg; int id, ret; + u64 val; /* Don't support write, I suspect we don't need it. */ if (__write) { @@ -487,16 +452,17 @@ static int access_reg(unw_addr_space_t __maybe_unused as, return 0; } - id = unwind__arch_reg_id(regnum); + id = libunwind__arch_reg_id(regnum); if (id < 0) return -EINVAL; - ret = reg_value(valp, &ui->sample->user_regs, id, ui->sample_uregs); + ret = perf_reg_value(&val, &ui->sample->user_regs, id); if (ret) { pr_err("unwind: can't read reg %d\n", regnum); return ret; } + *valp = (unw_word_t) val; pr_debug("unwind: reg %d, val %lx\n", regnum, (unsigned long)*valp); return 0; } @@ -579,7 +545,7 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb, unw_word_t ip; unw_get_reg(&c, UNW_REG_IP, &ip); - ret = entry(ip, ui->thread, ui->machine, cb, arg); + ret = ip ? entry(ip, ui->thread, ui->machine, cb, arg) : 0; } unw_destroy_addr_space(addr_space); @@ -588,13 +554,11 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb, int unwind__get_entries(unwind_entry_cb_t cb, void *arg, struct machine *machine, struct thread *thread, - u64 sample_uregs, struct perf_sample *data, - int max_stack) + struct perf_sample *data, int max_stack) { - unw_word_t ip; + u64 ip; struct unwind_info ui = { .sample = data, - .sample_uregs = sample_uregs, .thread = thread, .machine = machine, }; @@ -603,7 +567,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg, if (!data->user_regs.regs) return -EINVAL; - ret = reg_value(&ip, &data->user_regs, PERF_REG_IP, sample_uregs); + ret = perf_reg_value(&ip, &data->user_regs, PERF_REG_IP); if (ret) return ret; @@ -611,5 +575,5 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg, if (ret) return -ENOMEM; - return get_entries(&ui, cb, arg, max_stack); + return --max_stack > 0 ? get_entries(&ui, cb, arg, max_stack) : 0; } diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h index d5966f49e22..f03061260b4 100644 --- a/tools/perf/util/unwind.h +++ b/tools/perf/util/unwind.h @@ -1,7 +1,7 @@ #ifndef __UNWIND_H #define __UNWIND_H -#include "types.h" +#include <linux/types.h> #include "event.h" #include "symbol.h" @@ -13,24 +13,25 @@ struct unwind_entry { typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg); -#ifdef HAVE_LIBUNWIND_SUPPORT +#ifdef HAVE_DWARF_UNWIND_SUPPORT int unwind__get_entries(unwind_entry_cb_t cb, void *arg, struct machine *machine, struct thread *thread, - u64 sample_uregs, struct perf_sample *data, int max_stack); -int unwind__arch_reg_id(int regnum); +/* libunwind specific */ +#ifdef HAVE_LIBUNWIND_SUPPORT +int libunwind__arch_reg_id(int regnum); +#endif #else static inline int unwind__get_entries(unwind_entry_cb_t cb __maybe_unused, void *arg __maybe_unused, struct machine *machine __maybe_unused, struct thread *thread __maybe_unused, - u64 sample_uregs __maybe_unused, struct perf_sample *data __maybe_unused, int max_stack __maybe_unused) { return 0; } -#endif /* HAVE_LIBUNWIND_SUPPORT */ +#endif /* HAVE_DWARF_UNWIND_SUPPORT */ #endif /* __UNWIND_H */ diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 28a0a89c1f7..95aefa78bb0 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -1,16 +1,23 @@ #include "../perf.h" #include "util.h" +#include <api/fs/fs.h> #include <sys/mman.h> #ifdef HAVE_BACKTRACE_SUPPORT #include <execinfo.h> #endif #include <stdio.h> #include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <limits.h> +#include <byteswap.h> +#include <linux/kernel.h> /* * XXX We need to find a better place for these things... */ unsigned int page_size; +int cacheline_size; bool test_attr__enabled; @@ -151,21 +158,42 @@ unsigned long convert_unit(unsigned long value, char *unit) return value; } -int readn(int fd, void *buf, size_t n) +static ssize_t ion(bool is_read, int fd, void *buf, size_t n) { void *buf_start = buf; + size_t left = n; - while (n) { - int ret = read(fd, buf, n); + while (left) { + ssize_t ret = is_read ? read(fd, buf, left) : + write(fd, buf, left); + if (ret < 0 && errno == EINTR) + continue; if (ret <= 0) return ret; - n -= ret; - buf += ret; + left -= ret; + buf += ret; } - return buf - buf_start; + BUG_ON((size_t)(buf - buf_start) != n); + return n; +} + +/* + * Read exactly 'n' bytes or return an error. + */ +ssize_t readn(int fd, void *buf, size_t n) +{ + return ion(true, fd, buf, n); +} + +/* + * Write exactly 'n' bytes or return an error. + */ +ssize_t writen(int fd, void *buf, size_t n) +{ + return ion(false, fd, buf, n); } size_t hex_width(u64 v) @@ -413,3 +441,102 @@ int filename__read_int(const char *filename, int *value) close(fd); return err; } + +int filename__read_str(const char *filename, char **buf, size_t *sizep) +{ + size_t size = 0, alloc_size = 0; + void *bf = NULL, *nbf; + int fd, n, err = 0; + + fd = open(filename, O_RDONLY); + if (fd < 0) + return -errno; + + do { + if (size == alloc_size) { + alloc_size += BUFSIZ; + nbf = realloc(bf, alloc_size); + if (!nbf) { + err = -ENOMEM; + break; + } + + bf = nbf; + } + + n = read(fd, bf + size, alloc_size - size); + if (n < 0) { + if (size) { + pr_warning("read failed %d: %s\n", + errno, strerror(errno)); + err = 0; + } else + err = -errno; + + break; + } + + size += n; + } while (n > 0); + + if (!err) { + *sizep = size; + *buf = bf; + } else + free(bf); + + close(fd); + return err; +} + +const char *get_filename_for_perf_kvm(void) +{ + const char *filename; + + if (perf_host && !perf_guest) + filename = strdup("perf.data.host"); + else if (!perf_host && perf_guest) + filename = strdup("perf.data.guest"); + else + filename = strdup("perf.data.kvm"); + + return filename; +} + +int perf_event_paranoid(void) +{ + char path[PATH_MAX]; + const char *procfs = procfs__mountpoint(); + int value; + + if (!procfs) + return INT_MAX; + + scnprintf(path, PATH_MAX, "%s/sys/kernel/perf_event_paranoid", procfs); + + if (filename__read_int(path, &value)) + return INT_MAX; + + return value; +} + +void mem_bswap_32(void *src, int byte_size) +{ + u32 *m = src; + while (byte_size > 0) { + *m = bswap_32(*m); + byte_size -= sizeof(u32); + ++m; + } +} + +void mem_bswap_64(void *src, int byte_size) +{ + u64 *m = src; + + while (byte_size > 0) { + *m = bswap_64(*m); + byte_size -= sizeof(u64); + ++m; + } +} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index c8f362daba8..66864364ccb 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -69,10 +69,11 @@ #include <sys/ioctl.h> #include <inttypes.h> #include <linux/magic.h> -#include "types.h" +#include <linux/types.h> #include <sys/ttydefaults.h> -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #include <termios.h> +#include <linux/bitops.h> extern const char *graph_line; extern const char *graph_dotted_line; @@ -185,6 +186,8 @@ static inline void *zalloc(size_t size) return calloc(1, size); } +#define zfree(ptr) ({ free(*ptr); *ptr = NULL; }) + static inline int has_extension(const char *filename, const char *ext) { size_t len = strlen(filename); @@ -253,7 +256,8 @@ bool strlazymatch(const char *str, const char *pat); int strtailcmp(const char *s1, const char *s2); char *strxfrchar(char *s, char from, char to); unsigned long convert_unit(unsigned long value, char *unit); -int readn(int fd, void *buf, size_t size); +ssize_t readn(int fd, void *buf, size_t n); +ssize_t writen(int fd, void *buf, size_t n); struct perf_event_attr; @@ -280,6 +284,17 @@ static inline unsigned next_pow2(unsigned x) return 1ULL << (32 - __builtin_clz(x - 1)); } +static inline unsigned long next_pow2_l(unsigned long x) +{ +#if BITS_PER_LONG == 64 + if (x <= (1UL << 31)) + return next_pow2(x); + return (unsigned long)next_pow2(x >> 32) << 32; +#else + return next_pow2(x); +#endif +} + size_t hex_width(u64 v); int hex2u64(const char *ptr, u64 *val); @@ -289,6 +304,7 @@ char *rtrim(char *s); void dump_stack(void); extern unsigned int page_size; +extern int cacheline_size; void get_term_dimensions(struct winsize *ws); @@ -307,4 +323,11 @@ char *get_srcline(struct dso *dso, unsigned long addr); void free_srcline(char *srcline); int filename__read_int(const char *filename, int *value); +int filename__read_str(const char *filename, char **buf, size_t *sizep); +int perf_event_paranoid(void); + +void mem_bswap_64(void *src, int byte_size); +void mem_bswap_32(void *src, int byte_size); + +const char *get_filename_for_perf_kvm(void); #endif /* GIT_COMPAT_UTIL_H */ diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c index 697c8b4e59c..0fb3c1fcd3e 100644 --- a/tools/perf/util/values.c +++ b/tools/perf/util/values.c @@ -31,14 +31,14 @@ void perf_read_values_destroy(struct perf_read_values *values) return; for (i = 0; i < values->threads; i++) - free(values->value[i]); - free(values->value); - free(values->pid); - free(values->tid); - free(values->counterrawid); + zfree(&values->value[i]); + zfree(&values->value); + zfree(&values->pid); + zfree(&values->tid); + zfree(&values->counterrawid); for (i = 0; i < values->counters; i++) - free(values->countername[i]); - free(values->countername); + zfree(&values->countername[i]); + zfree(&values->countername); } static void perf_read_values__enlarge_threads(struct perf_read_values *values) diff --git a/tools/perf/util/values.h b/tools/perf/util/values.h index 2fa967e1a88..b21a80c6cf8 100644 --- a/tools/perf/util/values.h +++ b/tools/perf/util/values.h @@ -1,7 +1,7 @@ #ifndef __PERF_VALUES_H #define __PERF_VALUES_H -#include "types.h" +#include <linux/types.h> struct perf_read_values { int threads; diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c index 39159822d58..0ddb3b8a89e 100644 --- a/tools/perf/util/vdso.c +++ b/tools/perf/util/vdso.c @@ -103,7 +103,7 @@ struct dso *vdso__dso_findnew(struct list_head *head) dso = dso__new(VDSO__MAP_NAME); if (dso != NULL) { dsos__add(head, dso); - dso__set_long_name(dso, file); + dso__set_long_name(dso, file, false); } } diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile index bafeb8d662a..e5a3c4be2a1 100644 --- a/tools/power/acpi/Makefile +++ b/tools/power/acpi/Makefile @@ -1,18 +1,156 @@ -PROG= acpidump -SRCS= acpidump.c +# tools/power/acpi/Makefile - ACPI tool Makefile +# +# Copyright (c) 2013, Intel Corporation +# Author: Lv Zheng <lv.zheng@intel.com> +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2 +# of the License. + +OUTPUT=./ +ifeq ("$(origin O)", "command line") + OUTPUT := $(O)/ +endif + +ifneq ($(OUTPUT),) +# check that the output directory actually exists +OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd) +$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist)) +endif + +SUBDIRS = tools/ec + +# --- CONFIGURATION BEGIN --- + +# Set the following to `true' to make a unstripped, unoptimized +# binary. Leave this set to `false' for production use. +DEBUG ?= true + +# make the build silent. Set this to something else to make it noisy again. +V ?= false + +# Prefix to the directories we're installing to +DESTDIR ?= + +# --- CONFIGURATION END --- + +# Directory definitions. These are default and most probably +# do not need to be changed. Please note that DESTDIR is +# added in front of any of them + +bindir ?= /usr/bin +sbindir ?= /usr/sbin +mandir ?= /usr/man + +# Toolchain: what tools do we use, and what options do they need: + +INSTALL = /usr/bin/install -c +INSTALL_PROGRAM = ${INSTALL} +INSTALL_DATA = ${INSTALL} -m 644 +INSTALL_SCRIPT = ${INSTALL_PROGRAM} + +# If you are running a cross compiler, you may want to set this +# to something more interesting, like "arm-linux-". If you want +# to compile vs uClibc, that can be done here as well. +CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- +CC = $(CROSS)gcc +LD = $(CROSS)gcc +STRIP = $(CROSS)strip +HOSTCC = gcc + +# check if compiler option is supported +cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;} + +# use '-Os' optimization if available, else use -O2 +OPTIMIZATION := $(call cc-supports,-Os,-O2) + +WARNINGS := -Wall +WARNINGS += $(call cc-supports,-Wstrict-prototypes) +WARNINGS += $(call cc-supports,-Wdeclaration-after-statement) + KERNEL_INCLUDE := ../../../include -CFLAGS += -Wall -Wstrict-prototypes -Wdeclaration-after-statement -Os -s -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE) +ACPICA_INCLUDE := ../../../drivers/acpi/acpica +CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE) +CFLAGS += $(WARNINGS) + +ifeq ($(strip $(V)),false) + QUIET=@ + ECHO=@echo +else + QUIET= + ECHO=@\# +endif +export QUIET ECHO + +# if DEBUG is enabled, then we do not strip or optimize +ifeq ($(strip $(DEBUG)),true) + CFLAGS += -O1 -g -DDEBUG + STRIPCMD = /bin/true -Since_we_are_debugging +else + CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer + STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment +endif + +# --- ACPIDUMP BEGIN --- + +vpath %.c \ + ../../../drivers/acpi/acpica\ + tools/acpidump\ + common\ + os_specific/service_layers + +CFLAGS += -DACPI_DUMP_APP -Itools/acpidump + +DUMP_OBJS = \ + apdump.o\ + apfiles.o\ + apmain.o\ + osunixdir.o\ + osunixmap.o\ + tbprint.o\ + tbxfroot.o\ + utbuffer.o\ + utexcep.o\ + utmath.o\ + utstring.o\ + utxferror.o\ + oslinuxtbl.o\ + cmfsize.o\ + getopt.o + +DUMP_OBJS := $(addprefix $(OUTPUT)tools/acpidump/,$(DUMP_OBJS)) + +$(OUTPUT)acpidump: $(DUMP_OBJS) + $(ECHO) " LD " $@ + $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(DUMP_OBJS) -L$(OUTPUT) -o $@ + $(QUIET) $(STRIPCMD) $@ + +$(OUTPUT)tools/acpidump/%.o: %.c + $(ECHO) " CC " $@ + $(QUIET) $(CC) -c $(CFLAGS) -o $@ $< + +# --- ACPIDUMP END --- + +all: $(OUTPUT)acpidump + echo $(OUTPUT) + +clean: + -find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \ + | xargs rm -f + -rm -f $(OUTPUT)acpidump -all: acpidump -$(PROG) : $(SRCS) - $(CC) $(CFLAGS) $(SRCS) -o $(PROG) +install-tools: + $(INSTALL) -d $(DESTDIR)${sbindir} + $(INSTALL_PROGRAM) $(OUTPUT)acpidump $(DESTDIR)${sbindir} -CLEANFILES= $(PROG) +install-man: + $(INSTALL_DATA) -D man/acpidump.8 $(DESTDIR)${mandir}/man8/acpidump.8 -clean : - rm -f $(CLEANFILES) $(patsubst %.c,%.o, $(SRCS)) *~ +install: all install-tools install-man -install : - install acpidump /usr/sbin/acpidump - install acpidump.8 /usr/share/man/man8 +uninstall: + - rm -f $(DESTDIR)${sbindir}/acpidump + - rm -f $(DESTDIR)${mandir}/man8/acpidump.8 +.PHONY: all utils install-tools install-man install uninstall clean diff --git a/tools/power/acpi/acpidump.8 b/tools/power/acpi/acpidump.8 deleted file mode 100644 index adfa99166e5..00000000000 --- a/tools/power/acpi/acpidump.8 +++ /dev/null @@ -1,59 +0,0 @@ -.TH ACPIDUMP 8 -.SH NAME -acpidump \- Dump system's ACPI tables to an ASCII file. -.SH SYNOPSIS -.ft B -.B acpidump > acpidump.out -.SH DESCRIPTION -\fBacpidump \fP dumps the systems ACPI tables to an ASCII file -appropriate for attaching to a bug report. - -Subsequently, they can be processed by utilities in the ACPICA package. -.SS Options -no options worth worrying about. -.PP -.SH EXAMPLE - -.nf -# acpidump > acpidump.out - -$ acpixtract -a acpidump.out - Acpi table [DSDT] - 15974 bytes written to DSDT.dat - Acpi table [FACS] - 64 bytes written to FACS.dat - Acpi table [FACP] - 116 bytes written to FACP.dat - Acpi table [APIC] - 120 bytes written to APIC.dat - Acpi table [MCFG] - 60 bytes written to MCFG.dat - Acpi table [SSDT] - 444 bytes written to SSDT1.dat - Acpi table [SSDT] - 439 bytes written to SSDT2.dat - Acpi table [SSDT] - 439 bytes written to SSDT3.dat - Acpi table [SSDT] - 439 bytes written to SSDT4.dat - Acpi table [SSDT] - 439 bytes written to SSDT5.dat - Acpi table [RSDT] - 76 bytes written to RSDT.dat - Acpi table [RSDP] - 20 bytes written to RSDP.dat - -$ iasl -d *.dat -... -.fi -creates *.dsl, a human readable form which can be edited -and compiled using iasl. - - -.SH NOTES - -.B "acpidump " -must be run as root. - -.SH REFERENCES -ACPICA: https://acpica.org/ - -.SH FILES -.ta -.nf -/dev/mem -/sys/firmware/acpi/tables/dynamic/* -.fi - -.PP -.SH AUTHOR -.nf -Written by Len Brown <len.brown@intel.com> diff --git a/tools/power/acpi/acpidump.c b/tools/power/acpi/acpidump.c deleted file mode 100644 index a84553a0e0d..00000000000 --- a/tools/power/acpi/acpidump.c +++ /dev/null @@ -1,559 +0,0 @@ -/* - * (c) Alexey Starikovskiy, Intel, 2005-2006. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#ifdef DEFINE_ALTERNATE_TYPES -/* hack to enable building old application with new headers -lenb */ -#define acpi_fadt_descriptor acpi_table_fadt -#define acpi_rsdp_descriptor acpi_table_rsdp -#define DSDT_SIG ACPI_SIG_DSDT -#define FACS_SIG ACPI_SIG_FACS -#define FADT_SIG ACPI_SIG_FADT -#define xfirmware_ctrl Xfacs -#define firmware_ctrl facs - -typedef int s32; -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned int u32; -typedef unsigned long long u64; -typedef long long s64; -#endif - -#include <sys/mman.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <getopt.h> - -#include <dirent.h> - -#include <acpi/acconfig.h> -#include <acpi/platform/acenv.h> -#include <acpi/actypes.h> -#include <acpi/actbl.h> - -static inline u8 checksum(u8 * buffer, u32 length) -{ - u8 sum = 0, *i = buffer; - buffer += length; - for (; i < buffer; sum += *(i++)); - return sum; -} - -static unsigned long psz, addr, length; -static int print, connect, skip; -static u8 select_sig[4]; - -static unsigned long read_efi_systab( void ) -{ - char buffer[80]; - unsigned long addr; - FILE *f = fopen("/sys/firmware/efi/systab", "r"); - if (f) { - while (fgets(buffer, 80, f)) { - if (sscanf(buffer, "ACPI20=0x%lx", &addr) == 1) - return addr; - } - fclose(f); - } - return 0; -} - -static u8 *acpi_map_memory(unsigned long where, unsigned length) -{ - unsigned long offset; - u8 *there; - int fd = open("/dev/mem", O_RDONLY); - if (fd < 0) { - fprintf(stderr, "acpi_os_map_memory: cannot open /dev/mem\n"); - exit(1); - } - offset = where % psz; - there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE, - fd, where - offset); - close(fd); - if (there == MAP_FAILED) return 0; - return (there + offset); -} - -static void acpi_unmap_memory(u8 * there, unsigned length) -{ - unsigned long offset = (unsigned long)there % psz; - munmap(there - offset, length + offset); -} - -static struct acpi_table_header *acpi_map_table(unsigned long where, char *sig) -{ - unsigned size; - struct acpi_table_header *tbl = (struct acpi_table_header *) - acpi_map_memory(where, sizeof(struct acpi_table_header)); - if (!tbl || (sig && memcmp(sig, tbl->signature, 4))) return 0; - size = tbl->length; - acpi_unmap_memory((u8 *) tbl, sizeof(struct acpi_table_header)); - return (struct acpi_table_header *)acpi_map_memory(where, size); -} - -static void acpi_unmap_table(struct acpi_table_header *tbl) -{ - acpi_unmap_memory((u8 *)tbl, tbl->length); -} - -static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length) -{ - struct acpi_rsdp_descriptor *rsdp; - u8 *i, *end = begin + length; - /* Search from given start address for the requested length */ - for (i = begin; i < end; i += ACPI_RSDP_SCAN_STEP) { - /* The signature and checksum must both be correct */ - if (memcmp((char *)i, "RSD PTR ", 8)) continue; - rsdp = (struct acpi_rsdp_descriptor *)i; - /* Signature matches, check the appropriate checksum */ - if (!checksum((u8 *) rsdp, (rsdp->revision < 2) ? - ACPI_RSDP_CHECKSUM_LENGTH : - ACPI_RSDP_XCHECKSUM_LENGTH)) - /* Checksum valid, we have found a valid RSDP */ - return rsdp; - } - /* Searched entire block, no RSDP was found */ - return 0; -} - -/* - * Output data - */ -static void acpi_show_data(int fd, u8 * data, int size) -{ - char buffer[256]; - int len; - int i, remain = size; - while (remain > 0) { - len = snprintf(buffer, 256, " %04x:", size - remain); - for (i = 0; i < 16 && i < remain; i++) { - len += - snprintf(&buffer[len], 256 - len, " %02x", data[i]); - } - for (; i < 16; i++) { - len += snprintf(&buffer[len], 256 - len, " "); - } - len += snprintf(&buffer[len], 256 - len, " "); - for (i = 0; i < 16 && i < remain; i++) { - buffer[len++] = (isprint(data[i])) ? data[i] : '.'; - } - buffer[len++] = '\n'; - write(fd, buffer, len); - data += 16; - remain -= 16; - } -} - -/* - * Output ACPI table - */ -static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned long addr) -{ - char buff[80]; - int len = snprintf(buff, 80, "%.4s @ %p\n", table->signature, (void *)addr); - write(fd, buff, len); - acpi_show_data(fd, (u8 *) table, table->length); - buff[0] = '\n'; - write(fd, buff, 1); -} - -static void write_table(int fd, struct acpi_table_header *tbl, unsigned long addr) -{ - static int select_done = 0; - if (!select_sig[0]) { - if (print) { - acpi_show_table(fd, tbl, addr); - } else { - write(fd, tbl, tbl->length); - } - } else if (!select_done && !memcmp(select_sig, tbl->signature, 4)) { - if (skip > 0) { - --skip; - return; - } - if (print) { - acpi_show_table(fd, tbl, addr); - } else { - write(fd, tbl, tbl->length); - } - select_done = 1; - } -} - -static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long xaddr) { - struct acpi_fadt_descriptor x; - unsigned long addr; - size_t len = sizeof(struct acpi_fadt_descriptor); - if (len > tbl->length) len = tbl->length; - memcpy(&x, tbl, len); - x.header.length = len; - if (checksum((u8 *)tbl, len)) { - fprintf(stderr, "Wrong checksum for FADT!\n"); - } - if (x.header.length >= 148 && x.Xdsdt) { - addr = (unsigned long)x.Xdsdt; - if (connect) { - x.Xdsdt = lseek(fd, 0, SEEK_CUR); - } - } else if (x.header.length >= 44 && x.dsdt) { - addr = (unsigned long)x.dsdt; - if (connect) { - x.dsdt = lseek(fd, 0, SEEK_CUR); - } - } else { - fprintf(stderr, "No DSDT in FADT!\n"); - goto no_dsdt; - } - tbl = acpi_map_table(addr, DSDT_SIG); - if (!tbl) goto no_dsdt; - if (checksum((u8 *)tbl, tbl->length)) - fprintf(stderr, "Wrong checksum for DSDT!\n"); - write_table(fd, tbl, addr); - acpi_unmap_table(tbl); -no_dsdt: - if (x.header.length >= 140 && x.xfirmware_ctrl) { - addr = (unsigned long)x.xfirmware_ctrl; - if (connect) { - x.xfirmware_ctrl = lseek(fd, 0, SEEK_CUR); - } - } else if (x.header.length >= 40 && x.firmware_ctrl) { - addr = (unsigned long)x.firmware_ctrl; - if (connect) { - x.firmware_ctrl = lseek(fd, 0, SEEK_CUR); - } - } else { - fprintf(stderr, "No FACS in FADT!\n"); - goto no_facs; - } - tbl = acpi_map_table(addr, FACS_SIG); - if (!tbl) goto no_facs; - /* do not checksum FACS */ - write_table(fd, tbl, addr); - acpi_unmap_table(tbl); -no_facs: - write_table(fd, (struct acpi_table_header *)&x, xaddr); -} - -static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp) -{ - struct acpi_table_header *sdt, *tbl = 0; - int xsdt = 1, i, num; - char *offset; - unsigned long addr; - if (rsdp->revision > 1 && rsdp->xsdt_physical_address) { - tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT"); - } - if (!tbl && rsdp->rsdt_physical_address) { - xsdt = 0; - tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT"); - } - if (!tbl) return 0; - sdt = malloc(tbl->length); - memcpy(sdt, tbl, tbl->length); - acpi_unmap_table(tbl); - if (checksum((u8 *)sdt, sdt->length)) - fprintf(stderr, "Wrong checksum for %s!\n", (xsdt)?"XSDT":"RSDT"); - num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32)); - offset = (char *)sdt + sizeof(struct acpi_table_header); - for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) { - addr = (xsdt) ? (unsigned long)(*(u64 *)offset): - (unsigned long)(*(u32 *)offset); - if (!addr) continue; - tbl = acpi_map_table(addr, 0); - if (!tbl) continue; - if (!memcmp(tbl->signature, FADT_SIG, 4)) { - acpi_dump_FADT(fd, tbl, addr); - } else { - if (checksum((u8 *)tbl, tbl->length)) - fprintf(stderr, "Wrong checksum for generic table!\n"); - write_table(fd, tbl, addr); - } - acpi_unmap_table(tbl); - if (connect) { - if (xsdt) - (*(u64*)offset) = lseek(fd, 0, SEEK_CUR); - else - (*(u32*)offset) = lseek(fd, 0, SEEK_CUR); - } - } - if (xsdt) { - addr = (unsigned long)rsdp->xsdt_physical_address; - if (connect) { - rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR); - } - } else { - addr = (unsigned long)rsdp->rsdt_physical_address; - if (connect) { - rsdp->rsdt_physical_address = lseek(fd, 0, SEEK_CUR); - } - } - write_table(fd, sdt, addr); - free (sdt); - return 1; -} - -#define DYNAMIC_SSDT "/sys/firmware/acpi/tables/dynamic" - -static void acpi_dump_dynamic_SSDT(int fd) -{ - struct stat file_stat; - char filename[256], *ptr; - DIR *tabledir; - struct dirent *entry; - FILE *fp; - int count, readcount, length; - struct acpi_table_header table_header, *ptable; - - if (stat(DYNAMIC_SSDT, &file_stat) == -1) { - /* The directory doesn't exist */ - return; - } - tabledir = opendir(DYNAMIC_SSDT); - if(!tabledir){ - /*can't open the directory */ - return; - } - - while ((entry = readdir(tabledir)) != 0){ - /* skip the file of . /.. */ - if (entry->d_name[0] == '.') - continue; - - sprintf(filename, "%s/%s", DYNAMIC_SSDT, entry->d_name); - fp = fopen(filename, "r"); - if (fp == NULL) { - fprintf(stderr, "Can't open the file of %s\n", - filename); - continue; - } - /* Read the Table header to parse the table length */ - count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp); - if (count < sizeof(table_header)) { - /* the length is lessn than ACPI table header. skip it */ - fclose(fp); - continue; - } - length = table_header.length; - ptr = malloc(table_header.length); - fseek(fp, 0, SEEK_SET); - readcount = 0; - while(!feof(fp) && readcount < length) { - count = fread(ptr + readcount, 1, 256, fp); - readcount += count; - } - fclose(fp); - ptable = (struct acpi_table_header *) ptr; - if (checksum((u8 *) ptable, ptable->length)) - fprintf(stderr, "Wrong checksum " - "for dynamic SSDT table!\n"); - write_table(fd, ptable, 0); - free(ptr); - } - closedir(tabledir); - return; -} - -static void usage(const char *progname) -{ - puts("Usage:"); - printf("%s [--addr 0x1234][--table DSDT][--output filename]" - "[--binary][--length 0x456][--help]\n", progname); - puts("\t--addr 0x1234 or -a 0x1234 -- look for tables at this physical address"); - puts("\t--table DSDT or -t DSDT -- only dump table with DSDT signature"); - puts("\t--output filename or -o filename -- redirect output from stdin to filename"); - puts("\t--binary or -b -- dump data in binary form rather than in hex-dump format"); - puts("\t--length 0x456 or -l 0x456 -- works only with --addr, dump physical memory" - "\n\t\tregion without trying to understand it's contents"); - puts("\t--skip 2 or -s 2 -- skip 2 tables of the given name and output only 3rd one"); - puts("\t--help or -h -- this help message"); - exit(0); -} - -static struct option long_options[] = { - {"addr", 1, 0, 0}, - {"table", 1, 0, 0}, - {"output", 1, 0, 0}, - {"binary", 0, 0, 0}, - {"length", 1, 0, 0}, - {"skip", 1, 0, 0}, - {"help", 0, 0, 0}, - {0, 0, 0, 0} -}; -int main(int argc, char **argv) -{ - int option_index, c, fd; - u8 *raw; - struct acpi_rsdp_descriptor rsdpx, *x = 0; - char *filename = 0; - char buff[80]; - memset(select_sig, 0, 4); - print = 1; - connect = 0; - addr = length = 0; - skip = 0; - while (1) { - option_index = 0; - c = getopt_long(argc, argv, "a:t:o:bl:s:h", - long_options, &option_index); - if (c == -1) - break; - - switch (c) { - case 0: - switch (option_index) { - case 0: - addr = strtoul(optarg, (char **)NULL, 16); - break; - case 1: - memcpy(select_sig, optarg, 4); - break; - case 2: - filename = optarg; - break; - case 3: - print = 0; - break; - case 4: - length = strtoul(optarg, (char **)NULL, 16); - break; - case 5: - skip = strtoul(optarg, (char **)NULL, 10); - break; - case 6: - usage(argv[0]); - exit(0); - } - break; - case 'a': - addr = strtoul(optarg, (char **)NULL, 16); - break; - case 't': - memcpy(select_sig, optarg, 4); - break; - case 'o': - filename = optarg; - break; - case 'b': - print = 0; - break; - case 'l': - length = strtoul(optarg, (char **)NULL, 16); - break; - case 's': - skip = strtoul(optarg, (char **)NULL, 10); - break; - case 'h': - usage(argv[0]); - exit(0); - default: - printf("Unknown option!\n"); - usage(argv[0]); - exit(0); - } - } - - fd = STDOUT_FILENO; - if (filename) { - fd = creat(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); - if (fd < 0) - return fd; - } - - if (!select_sig[0] && !print) { - connect = 1; - } - - psz = sysconf(_SC_PAGESIZE); - if (length && addr) { - /* We know length and address, it means we just want a memory dump */ - if (!(raw = acpi_map_memory(addr, length))) - goto not_found; - write(fd, raw, length); - acpi_unmap_memory(raw, length); - close(fd); - return 0; - } - - length = sizeof(struct acpi_rsdp_descriptor); - if (!addr) { - addr = read_efi_systab(); - if (!addr) { - addr = ACPI_HI_RSDP_WINDOW_BASE; - length = ACPI_HI_RSDP_WINDOW_SIZE; - } - } - - if (!(raw = acpi_map_memory(addr, length)) || - !(x = acpi_scan_for_rsdp(raw, length))) - goto not_found; - - /* Find RSDP and print all found tables */ - memcpy(&rsdpx, x, sizeof(struct acpi_rsdp_descriptor)); - acpi_unmap_memory(raw, length); - if (connect) { - lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET); - } - if (!acpi_dump_SDT(fd, &rsdpx)) - goto not_found; - if (connect) { - lseek(fd, 0, SEEK_SET); - write(fd, x, (rsdpx.revision < 2) ? - ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH); - } else if (!select_sig[0] || !memcmp("RSD PTR ", select_sig, 4)) { - addr += (long)x - (long)raw; - length = snprintf(buff, 80, "RSD PTR @ %p\n", (void *)addr); - write(fd, buff, length); - acpi_show_data(fd, (u8 *) & rsdpx, (rsdpx.revision < 2) ? - ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH); - buff[0] = '\n'; - write(fd, buff, 1); - } - acpi_dump_dynamic_SSDT(fd); - close(fd); - return 0; -not_found: - close(fd); - fprintf(stderr, "ACPI tables were not found. If you know location " - "of RSD PTR table (from dmesg, etc), " - "supply it with either --addr or -a option\n"); - return 1; -} diff --git a/tools/power/acpi/common/cmfsize.c b/tools/power/acpi/common/cmfsize.c new file mode 100644 index 00000000000..5140e5edae1 --- /dev/null +++ b/tools/power/acpi/common/cmfsize.c @@ -0,0 +1,101 @@ +/****************************************************************************** + * + * Module Name: cfsize - Common get file size function + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acapps.h" +#include <stdio.h> + +#define _COMPONENT ACPI_TOOLS +ACPI_MODULE_NAME("cmfsize") + +/******************************************************************************* + * + * FUNCTION: cm_get_file_size + * + * PARAMETERS: file - Open file descriptor + * + * RETURN: File Size. On error, -1 (ACPI_UINT32_MAX) + * + * DESCRIPTION: Get the size of a file. Uses seek-to-EOF. File must be open. + * Does not disturb the current file pointer. Uses perror for + * error messages. + * + ******************************************************************************/ +u32 cm_get_file_size(FILE * file) +{ + long file_size; + long current_offset; + + /* Save the current file pointer, seek to EOF to obtain file size */ + + current_offset = ftell(file); + if (current_offset < 0) { + goto offset_error; + } + + if (fseek(file, 0, SEEK_END)) { + goto seek_error; + } + + file_size = ftell(file); + if (file_size < 0) { + goto offset_error; + } + + /* Restore original file pointer */ + + if (fseek(file, current_offset, SEEK_SET)) { + goto seek_error; + } + + return ((u32)file_size); + +offset_error: + perror("Could not get file offset"); + return (ACPI_UINT32_MAX); + +seek_error: + perror("Could not seek file"); + return (ACPI_UINT32_MAX); +} diff --git a/tools/power/acpi/common/getopt.c b/tools/power/acpi/common/getopt.c new file mode 100644 index 00000000000..a302f52e4fd --- /dev/null +++ b/tools/power/acpi/common/getopt.c @@ -0,0 +1,239 @@ +/****************************************************************************** + * + * Module Name: getopt + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +/* + * ACPICA getopt() implementation + * + * Option strings: + * "f" - Option has no arguments + * "f:" - Option requires an argument + * "f^" - Option has optional single-char sub-options + * "f|" - Option has required single-char sub-options + */ + +#include <stdio.h> +#include <string.h> +#include <acpi/acpi.h> +#include "accommon.h" +#include "acapps.h" + +#define ACPI_OPTION_ERROR(msg, badchar) \ + if (acpi_gbl_opterr) {fprintf (stderr, "%s%c\n", msg, badchar);} + +int acpi_gbl_opterr = 1; +int acpi_gbl_optind = 1; +int acpi_gbl_sub_opt_char = 0; +char *acpi_gbl_optarg; + +static int current_char_ptr = 1; + +/******************************************************************************* + * + * FUNCTION: acpi_getopt_argument + * + * PARAMETERS: argc, argv - from main + * + * RETURN: 0 if an argument was found, -1 otherwise. Sets acpi_gbl_Optarg + * to point to the next argument. + * + * DESCRIPTION: Get the next argument. Used to obtain arguments for the + * two-character options after the original call to acpi_getopt. + * Note: Either the argument starts at the next character after + * the option, or it is pointed to by the next argv entry. + * (After call to acpi_getopt, we need to backup to the previous + * argv entry). + * + ******************************************************************************/ + +int acpi_getopt_argument(int argc, char **argv) +{ + acpi_gbl_optind--; + current_char_ptr++; + + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind++][(int)(current_char_ptr + 1)]; + } else if (++acpi_gbl_optind >= argc) { + ACPI_OPTION_ERROR("Option requires an argument: -", 'v'); + + current_char_ptr = 1; + return (-1); + } else { + acpi_gbl_optarg = argv[acpi_gbl_optind++]; + } + + current_char_ptr = 1; + return (0); +} + +/******************************************************************************* + * + * FUNCTION: acpi_getopt + * + * PARAMETERS: argc, argv - from main + * opts - options info list + * + * RETURN: Option character or EOF + * + * DESCRIPTION: Get the next option + * + ******************************************************************************/ + +int acpi_getopt(int argc, char **argv, char *opts) +{ + int current_char; + char *opts_ptr; + + if (current_char_ptr == 1) { + if (acpi_gbl_optind >= argc || + argv[acpi_gbl_optind][0] != '-' || + argv[acpi_gbl_optind][1] == '\0') { + return (EOF); + } else if (strcmp(argv[acpi_gbl_optind], "--") == 0) { + acpi_gbl_optind++; + return (EOF); + } + } + + /* Get the option */ + + current_char = argv[acpi_gbl_optind][current_char_ptr]; + + /* Make sure that the option is legal */ + + if (current_char == ':' || + (opts_ptr = strchr(opts, current_char)) == NULL) { + ACPI_OPTION_ERROR("Illegal option: -", current_char); + + if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') { + acpi_gbl_optind++; + current_char_ptr = 1; + } + + return ('?'); + } + + /* Option requires an argument? */ + + if (*++opts_ptr == ':') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind++][(int) + (current_char_ptr + 1)]; + } else if (++acpi_gbl_optind >= argc) { + ACPI_OPTION_ERROR("Option requires an argument: -", + current_char); + + current_char_ptr = 1; + return ('?'); + } else { + acpi_gbl_optarg = argv[acpi_gbl_optind++]; + } + + current_char_ptr = 1; + } + + /* Option has an optional argument? */ + + else if (*opts_ptr == '+') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind++][(int) + (current_char_ptr + 1)]; + } else if (++acpi_gbl_optind >= argc) { + acpi_gbl_optarg = NULL; + } else { + acpi_gbl_optarg = argv[acpi_gbl_optind++]; + } + + current_char_ptr = 1; + } + + /* Option has optional single-char arguments? */ + + else if (*opts_ptr == '^') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)]; + } else { + acpi_gbl_optarg = "^"; + } + + acpi_gbl_sub_opt_char = acpi_gbl_optarg[0]; + acpi_gbl_optind++; + current_char_ptr = 1; + } + + /* Option has a required single-char argument? */ + + else if (*opts_ptr == '|') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)]; + } else { + ACPI_OPTION_ERROR + ("Option requires a single-character suboption: -", + current_char); + + current_char_ptr = 1; + return ('?'); + } + + acpi_gbl_sub_opt_char = acpi_gbl_optarg[0]; + acpi_gbl_optind++; + current_char_ptr = 1; + } + + /* Option with no arguments */ + + else { + if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') { + current_char_ptr = 1; + acpi_gbl_optind++; + } + + acpi_gbl_optarg = NULL; + } + + return (current_char); +} diff --git a/tools/power/acpi/man/acpidump.8 b/tools/power/acpi/man/acpidump.8 new file mode 100644 index 00000000000..38f095d86b5 --- /dev/null +++ b/tools/power/acpi/man/acpidump.8 @@ -0,0 +1,120 @@ +.TH ACPIDUMP 8 +.SH NAME +acpidump \- dump a system's ACPI tables to an ASCII file + +.SH SYNOPSIS +.B acpidump +.RI [ options ] +.br + +.SH DESCRIPTION +.B acpidump +dumps the systems ACPI tables to an ASCII file appropriate for +attaching to a bug report. + +Subsequently, they can be processed by utilities in the ACPICA package. + +.SH OPTIONS +acpidump options are as follow: +.TP +.B Options +.TP +.B \-b +Dump tables to binary files +.TP +.B \-c +Dump customized tables +.TP +.B \-h \-? +This help message +.TP +.B \-o <File> +Redirect output to file +.TP +.B \-r <Address> +Dump tables from specified RSDP +.TP +.B \-s +Print table summaries only +.TP +.B \-v +Display version information +.TP +.B \-z +Verbose mode +.TP +.B Table Options +.TP +.B \-a <Address> +Get table via a physical address +.TP +.B \-f <BinaryFile> +Get table via a binary file +.TP +.B \-n <Signature> +Get table via a name/signature +.TP +Invocation without parameters dumps all available tables +.TP +Multiple mixed instances of -a, -f, and -n are supported + +.SH EXAMPLES + +.nf +# acpidump > acpidump.out + +$ acpixtract -a acpidump.out + Acpi table [DSDT] - 15974 bytes written to DSDT.dat + Acpi table [FACS] - 64 bytes written to FACS.dat + Acpi table [FACP] - 116 bytes written to FACP.dat + Acpi table [APIC] - 120 bytes written to APIC.dat + Acpi table [MCFG] - 60 bytes written to MCFG.dat + Acpi table [SSDT] - 444 bytes written to SSDT1.dat + Acpi table [SSDT] - 439 bytes written to SSDT2.dat + Acpi table [SSDT] - 439 bytes written to SSDT3.dat + Acpi table [SSDT] - 439 bytes written to SSDT4.dat + Acpi table [SSDT] - 439 bytes written to SSDT5.dat + Acpi table [RSDT] - 76 bytes written to RSDT.dat + Acpi table [RSDP] - 20 bytes written to RSDP.dat + +$ iasl -d *.dat +... +.fi +creates *.dsl, a human readable form which can be edited +and compiled using iasl. + + +.SH NOTES + +.B "acpidump " +must be run as root. + +.SH REFERENCES +ACPICA: https://acpica.org/ + +.SH FILES +.ta +.nf +/dev/mem +/sys/firmware/acpi/tables/* +/sys/firmware/acpi/tables/dynamic/* +/sys/firmware/efi/systab +.fi + +.SH AUTHOR +.TP +Original by: + Len Brown <len.brown@intel.com> +.TP +Written by: + Chao Guan <chao.guan@intel.com> +.TP +Updated by: + Bob Moore <robert.moore@intel.com> + Lv Zheng <lv.zheng@intel.com> + +.SH SEE ALSO +\&\fIacpixtract\fR\|(8), \fIiasl\fR\|(8). + +.SH COPYRIGHT +COPYRIGHT (c) 2013, Intel Corporation. diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c new file mode 100644 index 00000000000..28c52008e85 --- /dev/null +++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c @@ -0,0 +1,1329 @@ +/****************************************************************************** + * + * Module Name: oslinuxtbl - Linux OSL for obtaining ACPI tables + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" + +#define _COMPONENT ACPI_OS_SERVICES +ACPI_MODULE_NAME("oslinuxtbl") + +#ifndef PATH_MAX +#define PATH_MAX 256 +#endif +/* List of information about obtained ACPI tables */ +typedef struct osl_table_info { + struct osl_table_info *next; + u32 instance; + char signature[ACPI_NAME_SIZE]; + +} osl_table_info; + +/* Local prototypes */ + +static acpi_status osl_table_initialize(void); + +static acpi_status +osl_table_name_from_file(char *filename, char *signature, u32 *instance); + +static acpi_status osl_add_table_to_list(char *signature, u32 instance); + +static acpi_status +osl_read_table_from_file(char *filename, + acpi_size file_offset, + char *signature, struct acpi_table_header **table); + +static acpi_status +osl_map_table(acpi_size address, + char *signature, struct acpi_table_header **table); + +static void osl_unmap_table(struct acpi_table_header *table); + +static acpi_physical_address osl_find_rsdp_via_efi(void); + +static acpi_status osl_load_rsdp(void); + +static acpi_status osl_list_customized_tables(char *directory); + +static acpi_status +osl_get_customized_table(char *pathname, + char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address); + +static acpi_status osl_list_bios_tables(void); + +static acpi_status +osl_get_bios_table(char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address); + +static acpi_status osl_get_last_status(acpi_status default_status); + +/* File locations */ + +#define DYNAMIC_TABLE_DIR "/sys/firmware/acpi/tables/dynamic" +#define STATIC_TABLE_DIR "/sys/firmware/acpi/tables" +#define EFI_SYSTAB "/sys/firmware/efi/systab" + +/* Should we get dynamically loaded SSDTs from DYNAMIC_TABLE_DIR? */ + +u8 gbl_dump_dynamic_tables = TRUE; + +/* Initialization flags */ + +u8 gbl_table_list_initialized = FALSE; + +/* Local copies of main ACPI tables */ + +struct acpi_table_rsdp gbl_rsdp; +struct acpi_table_fadt *gbl_fadt = NULL; +struct acpi_table_rsdt *gbl_rsdt = NULL; +struct acpi_table_xsdt *gbl_xsdt = NULL; + +/* Table addresses */ + +acpi_physical_address gbl_fadt_address = 0; +acpi_physical_address gbl_rsdp_address = 0; + +/* Revision of RSD PTR */ + +u8 gbl_revision = 0; + +struct osl_table_info *gbl_table_list_head = NULL; +u32 gbl_table_count = 0; + +/****************************************************************************** + * + * FUNCTION: osl_get_last_status + * + * PARAMETERS: default_status - Default error status to return + * + * RETURN: Status; Converted from errno. + * + * DESCRIPTION: Get last errno and conver it to acpi_status. + * + *****************************************************************************/ + +static acpi_status osl_get_last_status(acpi_status default_status) +{ + + switch (errno) { + case EACCES: + case EPERM: + + return (AE_ACCESS); + + case ENOENT: + + return (AE_NOT_FOUND); + + case ENOMEM: + + return (AE_NO_MEMORY); + + default: + + return (default_status); + } +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_get_table_by_address + * + * PARAMETERS: address - Physical address of the ACPI table + * table - Where a pointer to the table is returned + * + * RETURN: Status; Table buffer is returned if AE_OK. + * AE_NOT_FOUND: A valid table was not found at the address + * + * DESCRIPTION: Get an ACPI table via a physical memory address. + * + *****************************************************************************/ + +acpi_status +acpi_os_get_table_by_address(acpi_physical_address address, + struct acpi_table_header ** table) +{ + u32 table_length; + struct acpi_table_header *mapped_table; + struct acpi_table_header *local_table = NULL; + acpi_status status = AE_OK; + + /* Get main ACPI tables from memory on first invocation of this function */ + + status = osl_table_initialize(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Map the table and validate it */ + + status = osl_map_table(address, NULL, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Copy table to local buffer and return it */ + + table_length = ap_get_table_length(mapped_table); + if (table_length == 0) { + status = AE_BAD_HEADER; + goto exit; + } + + local_table = calloc(1, table_length); + if (!local_table) { + status = AE_NO_MEMORY; + goto exit; + } + + ACPI_MEMCPY(local_table, mapped_table, table_length); + +exit: + osl_unmap_table(mapped_table); + *table = local_table; + return (status); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_get_table_by_name + * + * PARAMETERS: signature - ACPI Signature for desired table. Must be + * a null terminated 4-character string. + * instance - Multiple table support for SSDT/UEFI (0...n) + * Must be 0 for other tables. + * table - Where a pointer to the table is returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer and physical address returned if AE_OK. + * AE_LIMIT: Instance is beyond valid limit + * AE_NOT_FOUND: A table with the signature was not found + * + * NOTE: Assumes the input signature is uppercase. + * + *****************************************************************************/ + +acpi_status +acpi_os_get_table_by_name(char *signature, + u32 instance, + struct acpi_table_header ** table, + acpi_physical_address * address) +{ + acpi_status status; + + /* Get main ACPI tables from memory on first invocation of this function */ + + status = osl_table_initialize(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Not a main ACPI table, attempt to extract it from the RSDT/XSDT */ + + if (!gbl_dump_customized_tables) { + + /* Attempt to get the table from the memory */ + + status = + osl_get_bios_table(signature, instance, table, address); + } else { + /* Attempt to get the table from the static directory */ + + status = osl_get_customized_table(STATIC_TABLE_DIR, signature, + instance, table, address); + } + + if (ACPI_FAILURE(status) && status == AE_LIMIT) { + if (gbl_dump_dynamic_tables) { + + /* Attempt to get a dynamic table */ + + status = + osl_get_customized_table(DYNAMIC_TABLE_DIR, + signature, instance, table, + address); + } + } + + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_add_table_to_list + * + * PARAMETERS: signature - Table signature + * instance - Table instance + * + * RETURN: Status; Successfully added if AE_OK. + * AE_NO_MEMORY: Memory allocation error + * + * DESCRIPTION: Insert a table structure into OSL table list. + * + *****************************************************************************/ + +static acpi_status osl_add_table_to_list(char *signature, u32 instance) +{ + struct osl_table_info *new_info; + struct osl_table_info *next; + u32 next_instance = 0; + u8 found = FALSE; + + new_info = calloc(1, sizeof(struct osl_table_info)); + if (!new_info) { + return (AE_NO_MEMORY); + } + + ACPI_MOVE_NAME(new_info->signature, signature); + + if (!gbl_table_list_head) { + gbl_table_list_head = new_info; + } else { + next = gbl_table_list_head; + while (1) { + if (ACPI_COMPARE_NAME(next->signature, signature)) { + if (next->instance == instance) { + found = TRUE; + } + if (next->instance >= next_instance) { + next_instance = next->instance + 1; + } + } + + if (!next->next) { + break; + } + next = next->next; + } + next->next = new_info; + } + + if (found) { + if (instance) { + fprintf(stderr, + "%4.4s: Warning unmatched table instance %d, expected %d\n", + signature, instance, next_instance); + } + instance = next_instance; + } + + new_info->instance = instance; + gbl_table_count++; + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_get_table_by_index + * + * PARAMETERS: index - Which table to get + * table - Where a pointer to the table is returned + * instance - Where a pointer to the table instance no. is + * returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer and physical address returned if AE_OK. + * AE_LIMIT: Index is beyond valid limit + * + * DESCRIPTION: Get an ACPI table via an index value (0 through n). Returns + * AE_LIMIT when an invalid index is reached. Index is not + * necessarily an index into the RSDT/XSDT. + * + *****************************************************************************/ + +acpi_status +acpi_os_get_table_by_index(u32 index, + struct acpi_table_header ** table, + u32 *instance, acpi_physical_address * address) +{ + struct osl_table_info *info; + acpi_status status; + u32 i; + + /* Get main ACPI tables from memory on first invocation of this function */ + + status = osl_table_initialize(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Validate Index */ + + if (index >= gbl_table_count) { + return (AE_LIMIT); + } + + /* Point to the table list entry specified by the Index argument */ + + info = gbl_table_list_head; + for (i = 0; i < index; i++) { + info = info->next; + } + + /* Now we can just get the table via the signature */ + + status = acpi_os_get_table_by_name(info->signature, info->instance, + table, address); + + if (ACPI_SUCCESS(status)) { + *instance = info->instance; + } + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_find_rsdp_via_efi + * + * PARAMETERS: None + * + * RETURN: RSDP address if found + * + * DESCRIPTION: Find RSDP address via EFI. + * + *****************************************************************************/ + +static acpi_physical_address osl_find_rsdp_via_efi(void) +{ + FILE *file; + char buffer[80]; + unsigned long address = 0; + + file = fopen(EFI_SYSTAB, "r"); + if (file) { + while (fgets(buffer, 80, file)) { + if (sscanf(buffer, "ACPI20=0x%lx", &address) == 1) { + break; + } + } + fclose(file); + } + + return ((acpi_physical_address) (address)); +} + +/****************************************************************************** + * + * FUNCTION: osl_load_rsdp + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Scan and load RSDP. + * + *****************************************************************************/ + +static acpi_status osl_load_rsdp(void) +{ + struct acpi_table_header *mapped_table; + u8 *rsdp_address; + acpi_physical_address rsdp_base; + acpi_size rsdp_size; + + /* Get RSDP from memory */ + + rsdp_size = sizeof(struct acpi_table_rsdp); + if (gbl_rsdp_base) { + rsdp_base = gbl_rsdp_base; + } else { + rsdp_base = osl_find_rsdp_via_efi(); + } + + if (!rsdp_base) { + rsdp_base = ACPI_HI_RSDP_WINDOW_BASE; + rsdp_size = ACPI_HI_RSDP_WINDOW_SIZE; + } + + rsdp_address = acpi_os_map_memory(rsdp_base, rsdp_size); + if (!rsdp_address) { + return (osl_get_last_status(AE_BAD_ADDRESS)); + } + + /* Search low memory for the RSDP */ + + mapped_table = ACPI_CAST_PTR(struct acpi_table_header, + acpi_tb_scan_memory_for_rsdp(rsdp_address, + rsdp_size)); + if (!mapped_table) { + acpi_os_unmap_memory(rsdp_address, rsdp_size); + return (AE_NOT_FOUND); + } + + gbl_rsdp_address = + rsdp_base + (ACPI_CAST8(mapped_table) - rsdp_address); + + ACPI_MEMCPY(&gbl_rsdp, mapped_table, sizeof(struct acpi_table_rsdp)); + acpi_os_unmap_memory(rsdp_address, rsdp_size); + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_can_use_xsdt + * + * PARAMETERS: None + * + * RETURN: TRUE if XSDT is allowed to be used. + * + * DESCRIPTION: This function collects logic that can be used to determine if + * XSDT should be used instead of RSDT. + * + *****************************************************************************/ + +static u8 osl_can_use_xsdt(void) +{ + if (gbl_revision && !acpi_gbl_do_not_use_xsdt) { + return (TRUE); + } else { + return (FALSE); + } +} + +/****************************************************************************** + * + * FUNCTION: osl_table_initialize + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Initialize ACPI table data. Get and store main ACPI tables to + * local variables. Main ACPI tables include RSDT, FADT, RSDT, + * and/or XSDT. + * + *****************************************************************************/ + +static acpi_status osl_table_initialize(void) +{ + acpi_status status; + acpi_physical_address address; + + if (gbl_table_list_initialized) { + return (AE_OK); + } + + /* Get RSDP from memory */ + + status = osl_load_rsdp(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Get XSDT from memory */ + + if (gbl_rsdp.revision && !gbl_do_not_dump_xsdt) { + if (gbl_xsdt) { + free(gbl_xsdt); + gbl_xsdt = NULL; + } + + gbl_revision = 2; + status = osl_get_bios_table(ACPI_SIG_XSDT, 0, + ACPI_CAST_PTR(struct + acpi_table_header *, + &gbl_xsdt), &address); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + /* Get RSDT from memory */ + + if (gbl_rsdp.rsdt_physical_address) { + if (gbl_rsdt) { + free(gbl_rsdt); + gbl_rsdt = NULL; + } + + status = osl_get_bios_table(ACPI_SIG_RSDT, 0, + ACPI_CAST_PTR(struct + acpi_table_header *, + &gbl_rsdt), &address); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + /* Get FADT from memory */ + + if (gbl_fadt) { + free(gbl_fadt); + gbl_fadt = NULL; + } + + status = osl_get_bios_table(ACPI_SIG_FADT, 0, + ACPI_CAST_PTR(struct acpi_table_header *, + &gbl_fadt), + &gbl_fadt_address); + if (ACPI_FAILURE(status)) { + return (status); + } + + if (!gbl_dump_customized_tables) { + + /* Add mandatory tables to global table list first */ + + status = osl_add_table_to_list(ACPI_RSDP_NAME, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + status = osl_add_table_to_list(ACPI_SIG_RSDT, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + if (gbl_revision == 2) { + status = osl_add_table_to_list(ACPI_SIG_XSDT, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + status = osl_add_table_to_list(ACPI_SIG_DSDT, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + status = osl_add_table_to_list(ACPI_SIG_FACS, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Add all tables found in the memory */ + + status = osl_list_bios_tables(); + if (ACPI_FAILURE(status)) { + return (status); + } + } else { + /* Add all tables found in the static directory */ + + status = osl_list_customized_tables(STATIC_TABLE_DIR); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + if (gbl_dump_dynamic_tables) { + + /* Add all dynamically loaded tables in the dynamic directory */ + + status = osl_list_customized_tables(DYNAMIC_TABLE_DIR); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + gbl_table_list_initialized = TRUE; + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_list_bios_tables + * + * PARAMETERS: None + * + * RETURN: Status; Table list is initialized if AE_OK. + * + * DESCRIPTION: Add ACPI tables to the table list from memory. + * + * NOTE: This works on Linux as table customization does not modify the + * addresses stored in RSDP/RSDT/XSDT/FADT. + * + *****************************************************************************/ + +static acpi_status osl_list_bios_tables(void) +{ + struct acpi_table_header *mapped_table = NULL; + u8 *table_data; + u8 number_of_tables; + u8 item_size; + acpi_physical_address table_address = 0; + acpi_status status = AE_OK; + u32 i; + + if (osl_can_use_xsdt()) { + item_size = sizeof(u64); + table_data = + ACPI_CAST8(gbl_xsdt) + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_xsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } else { /* Use RSDT if XSDT is not available */ + + item_size = sizeof(u32); + table_data = + ACPI_CAST8(gbl_rsdt) + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_rsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } + + /* Search RSDT/XSDT for the requested table */ + + for (i = 0; i < number_of_tables; ++i, table_data += item_size) { + if (osl_can_use_xsdt()) { + table_address = + (acpi_physical_address) (*ACPI_CAST64(table_data)); + } else { + table_address = + (acpi_physical_address) (*ACPI_CAST32(table_data)); + } + + /* Skip NULL entries in RSDT/XSDT */ + + if (!table_address) { + continue; + } + + status = osl_map_table(table_address, NULL, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + + osl_add_table_to_list(mapped_table->signature, 0); + osl_unmap_table(mapped_table); + } + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_get_bios_table + * + * PARAMETERS: signature - ACPI Signature for common table. Must be + * a null terminated 4-character string. + * instance - Multiple table support for SSDT/UEFI (0...n) + * Must be 0 for other tables. + * table - Where a pointer to the table is returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer and physical address returned if AE_OK. + * AE_LIMIT: Instance is beyond valid limit + * AE_NOT_FOUND: A table with the signature was not found + * + * DESCRIPTION: Get a BIOS provided ACPI table + * + * NOTE: Assumes the input signature is uppercase. + * + *****************************************************************************/ + +static acpi_status +osl_get_bios_table(char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address) +{ + struct acpi_table_header *local_table = NULL; + struct acpi_table_header *mapped_table = NULL; + u8 *table_data; + u8 number_of_tables; + u8 item_size; + u32 current_instance = 0; + acpi_physical_address table_address = 0; + u32 table_length = 0; + acpi_status status = AE_OK; + u32 i; + + /* Handle special tables whose addresses are not in RSDT/XSDT */ + + if (ACPI_COMPARE_NAME(signature, ACPI_RSDP_NAME) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) { + if (instance > 0) { + return (AE_LIMIT); + } + + /* + * Get the appropriate address, either 32-bit or 64-bit. Be very + * careful about the FADT length and validate table addresses. + * Note: The 64-bit addresses have priority. + */ + if (ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT)) { + if ((gbl_fadt->header.length >= MIN_FADT_FOR_XDSDT) && + gbl_fadt->Xdsdt) { + table_address = + (acpi_physical_address) gbl_fadt->Xdsdt; + } else + if ((gbl_fadt->header.length >= MIN_FADT_FOR_DSDT) + && gbl_fadt->dsdt) { + table_address = + (acpi_physical_address) gbl_fadt->dsdt; + } + } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) { + if ((gbl_fadt->header.length >= MIN_FADT_FOR_XFACS) && + gbl_fadt->Xfacs) { + table_address = + (acpi_physical_address) gbl_fadt->Xfacs; + } else + if ((gbl_fadt->header.length >= MIN_FADT_FOR_FACS) + && gbl_fadt->facs) { + table_address = + (acpi_physical_address) gbl_fadt->facs; + } + } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) { + if (!gbl_revision) { + return (AE_BAD_SIGNATURE); + } + table_address = + (acpi_physical_address) gbl_rsdp. + xsdt_physical_address; + } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) { + table_address = + (acpi_physical_address) gbl_rsdp. + rsdt_physical_address; + } else { + table_address = + (acpi_physical_address) gbl_rsdp_address; + signature = ACPI_SIG_RSDP; + } + + /* Now we can get the requested special table */ + + status = osl_map_table(table_address, signature, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + + table_length = ap_get_table_length(mapped_table); + } else { /* Case for a normal ACPI table */ + + if (osl_can_use_xsdt()) { + item_size = sizeof(u64); + table_data = + ACPI_CAST8(gbl_xsdt) + + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_xsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } else { /* Use RSDT if XSDT is not available */ + + item_size = sizeof(u32); + table_data = + ACPI_CAST8(gbl_rsdt) + + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_rsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } + + /* Search RSDT/XSDT for the requested table */ + + for (i = 0; i < number_of_tables; ++i, table_data += item_size) { + if (osl_can_use_xsdt()) { + table_address = + (acpi_physical_address) (*ACPI_CAST64 + (table_data)); + } else { + table_address = + (acpi_physical_address) (*ACPI_CAST32 + (table_data)); + } + + /* Skip NULL entries in RSDT/XSDT */ + + if (!table_address) { + continue; + } + + status = + osl_map_table(table_address, NULL, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + table_length = mapped_table->length; + + /* Does this table match the requested signature? */ + + if (!ACPI_COMPARE_NAME + (mapped_table->signature, signature)) { + osl_unmap_table(mapped_table); + mapped_table = NULL; + continue; + } + + /* Match table instance (for SSDT/UEFI tables) */ + + if (current_instance != instance) { + osl_unmap_table(mapped_table); + mapped_table = NULL; + current_instance++; + continue; + } + + break; + } + } + + if (!mapped_table) { + return (AE_LIMIT); + } + + if (table_length == 0) { + status = AE_BAD_HEADER; + goto exit; + } + + /* Copy table to local buffer and return it */ + + local_table = calloc(1, table_length); + if (!local_table) { + status = AE_NO_MEMORY; + goto exit; + } + + ACPI_MEMCPY(local_table, mapped_table, table_length); + *address = table_address; + *table = local_table; + +exit: + osl_unmap_table(mapped_table); + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_list_customized_tables + * + * PARAMETERS: directory - Directory that contains the tables + * + * RETURN: Status; Table list is initialized if AE_OK. + * + * DESCRIPTION: Add ACPI tables to the table list from a directory. + * + *****************************************************************************/ + +static acpi_status osl_list_customized_tables(char *directory) +{ + void *table_dir; + u32 instance; + char temp_name[ACPI_NAME_SIZE]; + char *filename; + acpi_status status = AE_OK; + + /* Open the requested directory */ + + table_dir = acpi_os_open_directory(directory, "*", REQUEST_FILE_ONLY); + if (!table_dir) { + return (osl_get_last_status(AE_NOT_FOUND)); + } + + /* Examine all entries in this directory */ + + while ((filename = acpi_os_get_next_filename(table_dir))) { + + /* Extract table name and instance number */ + + status = + osl_table_name_from_file(filename, temp_name, &instance); + + /* Ignore meaningless files */ + + if (ACPI_FAILURE(status)) { + continue; + } + + /* Add new info node to global table list */ + + status = osl_add_table_to_list(temp_name, instance); + if (ACPI_FAILURE(status)) { + break; + } + } + + acpi_os_close_directory(table_dir); + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_map_table + * + * PARAMETERS: address - Address of the table in memory + * signature - Optional ACPI Signature for desired table. + * Null terminated 4-character string. + * table - Where a pointer to the mapped table is + * returned + * + * RETURN: Status; Mapped table is returned if AE_OK. + * AE_NOT_FOUND: A valid table was not found at the address + * + * DESCRIPTION: Map entire ACPI table into caller's address space. + * + *****************************************************************************/ + +static acpi_status +osl_map_table(acpi_size address, + char *signature, struct acpi_table_header **table) +{ + struct acpi_table_header *mapped_table; + u32 length; + + if (!address) { + return (AE_BAD_ADDRESS); + } + + /* + * Map the header so we can get the table length. + * Use sizeof (struct acpi_table_header) as: + * 1. it is bigger than 24 to include RSDP->Length + * 2. it is smaller than sizeof (struct acpi_table_rsdp) + */ + mapped_table = + acpi_os_map_memory(address, sizeof(struct acpi_table_header)); + if (!mapped_table) { + fprintf(stderr, "Could not map table header at 0x%8.8X%8.8X\n", + ACPI_FORMAT_UINT64(address)); + return (osl_get_last_status(AE_BAD_ADDRESS)); + } + + /* If specified, signature must match */ + + if (signature) { + if (ACPI_VALIDATE_RSDP_SIG(signature)) { + if (!ACPI_VALIDATE_RSDP_SIG(mapped_table->signature)) { + acpi_os_unmap_memory(mapped_table, + sizeof(struct + acpi_table_header)); + return (AE_BAD_SIGNATURE); + } + } else + if (!ACPI_COMPARE_NAME(signature, mapped_table->signature)) + { + acpi_os_unmap_memory(mapped_table, + sizeof(struct acpi_table_header)); + return (AE_BAD_SIGNATURE); + } + } + + /* Map the entire table */ + + length = ap_get_table_length(mapped_table); + acpi_os_unmap_memory(mapped_table, sizeof(struct acpi_table_header)); + if (length == 0) { + return (AE_BAD_HEADER); + } + + mapped_table = acpi_os_map_memory(address, length); + if (!mapped_table) { + fprintf(stderr, + "Could not map table at 0x%8.8X%8.8X length %8.8X\n", + ACPI_FORMAT_UINT64(address), length); + return (osl_get_last_status(AE_INVALID_TABLE_LENGTH)); + } + + (void)ap_is_valid_checksum(mapped_table); + + *table = mapped_table; + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_unmap_table + * + * PARAMETERS: table - A pointer to the mapped table + * + * RETURN: None + * + * DESCRIPTION: Unmap entire ACPI table. + * + *****************************************************************************/ + +static void osl_unmap_table(struct acpi_table_header *table) +{ + if (table) { + acpi_os_unmap_memory(table, ap_get_table_length(table)); + } +} + +/****************************************************************************** + * + * FUNCTION: osl_table_name_from_file + * + * PARAMETERS: filename - File that contains the desired table + * signature - Pointer to 4-character buffer to store + * extracted table signature. + * instance - Pointer to integer to store extracted + * table instance number. + * + * RETURN: Status; Table name is extracted if AE_OK. + * + * DESCRIPTION: Extract table signature and instance number from a table file + * name. + * + *****************************************************************************/ + +static acpi_status +osl_table_name_from_file(char *filename, char *signature, u32 *instance) +{ + + /* Ignore meaningless files */ + + if (strlen(filename) < ACPI_NAME_SIZE) { + return (AE_BAD_SIGNATURE); + } + + /* Extract instance number */ + + if (isdigit((int)filename[ACPI_NAME_SIZE])) { + sscanf(&filename[ACPI_NAME_SIZE], "%d", instance); + } else if (strlen(filename) != ACPI_NAME_SIZE) { + return (AE_BAD_SIGNATURE); + } else { + *instance = 0; + } + + /* Extract signature */ + + ACPI_MOVE_NAME(signature, filename); + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_read_table_from_file + * + * PARAMETERS: filename - File that contains the desired table + * file_offset - Offset of the table in file + * signature - Optional ACPI Signature for desired table. + * A null terminated 4-character string. + * table - Where a pointer to the table is returned + * + * RETURN: Status; Table buffer is returned if AE_OK. + * + * DESCRIPTION: Read a ACPI table from a file. + * + *****************************************************************************/ + +static acpi_status +osl_read_table_from_file(char *filename, + acpi_size file_offset, + char *signature, struct acpi_table_header **table) +{ + FILE *table_file; + struct acpi_table_header header; + struct acpi_table_header *local_table = NULL; + u32 table_length; + s32 count; + acpi_status status = AE_OK; + + /* Open the file */ + + table_file = fopen(filename, "rb"); + if (table_file == NULL) { + fprintf(stderr, "Could not open table file: %s\n", filename); + return (osl_get_last_status(AE_NOT_FOUND)); + } + + fseek(table_file, file_offset, SEEK_SET); + + /* Read the Table header to get the table length */ + + count = fread(&header, 1, sizeof(struct acpi_table_header), table_file); + if (count != sizeof(struct acpi_table_header)) { + fprintf(stderr, "Could not read table header: %s\n", filename); + status = AE_BAD_HEADER; + goto exit; + } + + /* If signature is specified, it must match the table */ + + if (signature) { + if (ACPI_VALIDATE_RSDP_SIG(signature)) { + if (!ACPI_VALIDATE_RSDP_SIG(header.signature)) { + fprintf(stderr, + "Incorrect RSDP signature: found %8.8s\n", + header.signature); + status = AE_BAD_SIGNATURE; + goto exit; + } + } else if (!ACPI_COMPARE_NAME(signature, header.signature)) { + fprintf(stderr, + "Incorrect signature: Expecting %4.4s, found %4.4s\n", + signature, header.signature); + status = AE_BAD_SIGNATURE; + goto exit; + } + } + + table_length = ap_get_table_length(&header); + if (table_length == 0) { + status = AE_BAD_HEADER; + goto exit; + } + + /* Read the entire table into a local buffer */ + + local_table = calloc(1, table_length); + if (!local_table) { + fprintf(stderr, + "%4.4s: Could not allocate buffer for table of length %X\n", + header.signature, table_length); + status = AE_NO_MEMORY; + goto exit; + } + + fseek(table_file, file_offset, SEEK_SET); + + count = fread(local_table, 1, table_length, table_file); + if (count != table_length) { + fprintf(stderr, "%4.4s: Could not read table content\n", + header.signature); + status = AE_INVALID_TABLE_LENGTH; + goto exit; + } + + /* Validate checksum */ + + (void)ap_is_valid_checksum(local_table); + +exit: + fclose(table_file); + *table = local_table; + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_get_customized_table + * + * PARAMETERS: pathname - Directory to find Linux customized table + * signature - ACPI Signature for desired table. Must be + * a null terminated 4-character string. + * instance - Multiple table support for SSDT/UEFI (0...n) + * Must be 0 for other tables. + * table - Where a pointer to the table is returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer is returned if AE_OK. + * AE_LIMIT: Instance is beyond valid limit + * AE_NOT_FOUND: A table with the signature was not found + * + * DESCRIPTION: Get an OS customized table. + * + *****************************************************************************/ + +static acpi_status +osl_get_customized_table(char *pathname, + char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address) +{ + void *table_dir; + u32 current_instance = 0; + char temp_name[ACPI_NAME_SIZE]; + char table_filename[PATH_MAX]; + char *filename; + acpi_status status; + + /* Open the directory for customized tables */ + + table_dir = acpi_os_open_directory(pathname, "*", REQUEST_FILE_ONLY); + if (!table_dir) { + return (osl_get_last_status(AE_NOT_FOUND)); + } + + /* Attempt to find the table in the directory */ + + while ((filename = acpi_os_get_next_filename(table_dir))) { + + /* Ignore meaningless files */ + + if (!ACPI_COMPARE_NAME(filename, signature)) { + continue; + } + + /* Extract table name and instance number */ + + status = + osl_table_name_from_file(filename, temp_name, + ¤t_instance); + + /* Ignore meaningless files */ + + if (ACPI_FAILURE(status) || current_instance != instance) { + continue; + } + + /* Create the table pathname */ + + if (instance != 0) { + sprintf(table_filename, "%s/%4.4s%d", pathname, + temp_name, instance); + } else { + sprintf(table_filename, "%s/%4.4s", pathname, + temp_name); + } + break; + } + + acpi_os_close_directory(table_dir); + + if (!filename) { + return (AE_LIMIT); + } + + /* There is no physical address saved for customized tables, use zero */ + + *address = 0; + status = osl_read_table_from_file(table_filename, 0, NULL, table); + + return (status); +} diff --git a/tools/power/acpi/os_specific/service_layers/osunixdir.c b/tools/power/acpi/os_specific/service_layers/osunixdir.c new file mode 100644 index 00000000000..733f9e490fc --- /dev/null +++ b/tools/power/acpi/os_specific/service_layers/osunixdir.c @@ -0,0 +1,204 @@ +/****************************************************************************** + * + * Module Name: osunixdir - Unix directory access interfaces + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> +#include <fnmatch.h> +#include <ctype.h> +#include <sys/stat.h> + +/* + * Allocated structure returned from os_open_directory + */ +typedef struct external_find_info { + char *dir_pathname; + DIR *dir_ptr; + char temp_buffer[256]; + char *wildcard_spec; + char requested_file_type; + +} external_find_info; + +/******************************************************************************* + * + * FUNCTION: acpi_os_open_directory + * + * PARAMETERS: dir_pathname - Full pathname to the directory + * wildcard_spec - string of the form "*.c", etc. + * + * RETURN: A directory "handle" to be used in subsequent search operations. + * NULL returned on failure. + * + * DESCRIPTION: Open a directory in preparation for a wildcard search + * + ******************************************************************************/ + +void *acpi_os_open_directory(char *dir_pathname, + char *wildcard_spec, char requested_file_type) +{ + struct external_find_info *external_info; + DIR *dir; + + /* Allocate the info struct that will be returned to the caller */ + + external_info = calloc(1, sizeof(struct external_find_info)); + if (!external_info) { + return (NULL); + } + + /* Get the directory stream */ + + dir = opendir(dir_pathname); + if (!dir) { + fprintf(stderr, "Cannot open directory - %s\n", dir_pathname); + free(external_info); + return (NULL); + } + + /* Save the info in the return structure */ + + external_info->wildcard_spec = wildcard_spec; + external_info->requested_file_type = requested_file_type; + external_info->dir_pathname = dir_pathname; + external_info->dir_ptr = dir; + return (external_info); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_get_next_filename + * + * PARAMETERS: dir_handle - Created via acpi_os_open_directory + * + * RETURN: Next filename matched. NULL if no more matches. + * + * DESCRIPTION: Get the next file in the directory that matches the wildcard + * specification. + * + ******************************************************************************/ + +char *acpi_os_get_next_filename(void *dir_handle) +{ + struct external_find_info *external_info = dir_handle; + struct dirent *dir_entry; + char *temp_str; + int str_len; + struct stat temp_stat; + int err; + + while ((dir_entry = readdir(external_info->dir_ptr))) { + if (!fnmatch + (external_info->wildcard_spec, dir_entry->d_name, 0)) { + if (dir_entry->d_name[0] == '.') { + continue; + } + + str_len = strlen(dir_entry->d_name) + + strlen(external_info->dir_pathname) + 2; + + temp_str = calloc(str_len, 1); + if (!temp_str) { + fprintf(stderr, + "Could not allocate buffer for temporary string\n"); + return (NULL); + } + + strcpy(temp_str, external_info->dir_pathname); + strcat(temp_str, "/"); + strcat(temp_str, dir_entry->d_name); + + err = stat(temp_str, &temp_stat); + if (err == -1) { + fprintf(stderr, + "Cannot stat file (should not happen) - %s\n", + temp_str); + free(temp_str); + return (NULL); + } + + free(temp_str); + + if ((S_ISDIR(temp_stat.st_mode) + && (external_info->requested_file_type == + REQUEST_DIR_ONLY)) + || ((!S_ISDIR(temp_stat.st_mode) + && external_info->requested_file_type == + REQUEST_FILE_ONLY))) { + + /* copy to a temp buffer because dir_entry struct is on the stack */ + + strcpy(external_info->temp_buffer, + dir_entry->d_name); + return (external_info->temp_buffer); + } + } + } + + return (NULL); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_close_directory + * + * PARAMETERS: dir_handle - Created via acpi_os_open_directory + * + * RETURN: None. + * + * DESCRIPTION: Close the open directory and cleanup. + * + ******************************************************************************/ + +void acpi_os_close_directory(void *dir_handle) +{ + struct external_find_info *external_info = dir_handle; + + /* Close the directory and free allocations */ + + closedir(external_info->dir_ptr); + free(dir_handle); +} diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c new file mode 100644 index 00000000000..99b47b6194a --- /dev/null +++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c @@ -0,0 +1,151 @@ +/****************************************************************************** + * + * Module Name: osunixmap - Unix OSL for file mappings + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" +#include <unistd.h> +#include <sys/mman.h> +#ifdef _free_BSD +#include <sys/param.h> +#endif + +#define _COMPONENT ACPI_OS_SERVICES +ACPI_MODULE_NAME("osunixmap") + +#ifndef O_BINARY +#define O_BINARY 0 +#endif +#ifdef _free_BSD +#define MMAP_FLAGS MAP_SHARED +#else +#define MMAP_FLAGS MAP_PRIVATE +#endif +#define SYSTEM_MEMORY "/dev/mem" +/******************************************************************************* + * + * FUNCTION: acpi_os_get_page_size + * + * PARAMETERS: None + * + * RETURN: Page size of the platform. + * + * DESCRIPTION: Obtain page size of the platform. + * + ******************************************************************************/ +static acpi_size acpi_os_get_page_size(void) +{ + +#ifdef PAGE_SIZE + return PAGE_SIZE; +#else + return sysconf(_SC_PAGESIZE); +#endif +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_map_memory + * + * PARAMETERS: where - Physical address of memory to be mapped + * length - How much memory to map + * + * RETURN: Pointer to mapped memory. Null on error. + * + * DESCRIPTION: Map physical memory into local address space. + * + *****************************************************************************/ + +void *acpi_os_map_memory(acpi_physical_address where, acpi_size length) +{ + u8 *mapped_memory; + acpi_physical_address offset; + acpi_size page_size; + int fd; + + fd = open(SYSTEM_MEMORY, O_RDONLY | O_BINARY); + if (fd < 0) { + fprintf(stderr, "Cannot open %s\n", SYSTEM_MEMORY); + return (NULL); + } + + /* Align the offset to use mmap */ + + page_size = acpi_os_get_page_size(); + offset = where % page_size; + + /* Map the table header to get the length of the full table */ + + mapped_memory = mmap(NULL, (length + offset), PROT_READ, MMAP_FLAGS, + fd, (where - offset)); + if (mapped_memory == MAP_FAILED) { + fprintf(stderr, "Cannot map %s\n", SYSTEM_MEMORY); + close(fd); + return (NULL); + } + + close(fd); + return (ACPI_CAST8(mapped_memory + offset)); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_unmap_memory + * + * PARAMETERS: where - Logical address of memory to be unmapped + * length - How much memory to unmap + * + * RETURN: None. + * + * DESCRIPTION: Delete a previously created mapping. Where and Length must + * correspond to a previous mapping exactly. + * + *****************************************************************************/ + +void acpi_os_unmap_memory(void *where, acpi_size length) +{ + acpi_physical_address offset; + acpi_size page_size; + + page_size = acpi_os_get_page_size(); + offset = (acpi_physical_address) where % page_size; + munmap((u8 *)where - offset, (length + offset)); +} diff --git a/tools/power/acpi/tools/acpidump/acpidump.h b/tools/power/acpi/tools/acpidump/acpidump.h new file mode 100644 index 00000000000..46f519597fe --- /dev/null +++ b/tools/power/acpi/tools/acpidump/acpidump.h @@ -0,0 +1,130 @@ +/****************************************************************************** + * + * Module Name: acpidump.h - Include file for acpi_dump utility + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +/* + * Global variables. Defined in main.c only, externed in all other files + */ +#ifdef _DECLARE_GLOBALS +#define EXTERN +#define INIT_GLOBAL(a,b) a=b +#define DEFINE_ACPI_GLOBALS 1 +#else +#define EXTERN extern +#define INIT_GLOBAL(a,b) a +#endif + +#include <acpi/acpi.h> +#include "accommon.h" +#include "actables.h" + +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/stat.h> + +/* Globals */ + +EXTERN u8 INIT_GLOBAL(gbl_summary_mode, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_verbose_mode, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_binary_mode, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_dump_customized_tables, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_do_not_dump_xsdt, FALSE); +EXTERN FILE INIT_GLOBAL(*gbl_output_file, NULL); +EXTERN char INIT_GLOBAL(*gbl_output_filename, NULL); +EXTERN u64 INIT_GLOBAL(gbl_rsdp_base, 0); + +/* Globals required for use with ACPICA modules */ + +#ifdef _DECLARE_GLOBALS +u8 acpi_gbl_integer_byte_width = 8; +#endif + +/* Action table used to defer requested options */ + +struct ap_dump_action { + char *argument; + u32 to_be_done; +}; + +#define AP_MAX_ACTIONS 32 + +#define AP_DUMP_ALL_TABLES 0 +#define AP_DUMP_TABLE_BY_ADDRESS 1 +#define AP_DUMP_TABLE_BY_NAME 2 +#define AP_DUMP_TABLE_BY_FILE 3 + +#define AP_MAX_ACPI_FILES 256 /* Prevent infinite loops */ + +/* Minimum FADT sizes for various table addresses */ + +#define MIN_FADT_FOR_DSDT (ACPI_FADT_OFFSET (dsdt) + sizeof (u32)) +#define MIN_FADT_FOR_FACS (ACPI_FADT_OFFSET (facs) + sizeof (u32)) +#define MIN_FADT_FOR_XDSDT (ACPI_FADT_OFFSET (Xdsdt) + sizeof (u64)) +#define MIN_FADT_FOR_XFACS (ACPI_FADT_OFFSET (Xfacs) + sizeof (u64)) + +/* + * apdump - Table get/dump routines + */ +int ap_dump_table_from_file(char *pathname); + +int ap_dump_table_by_name(char *signature); + +int ap_dump_table_by_address(char *ascii_address); + +int ap_dump_all_tables(void); + +u8 ap_is_valid_header(struct acpi_table_header *table); + +u8 ap_is_valid_checksum(struct acpi_table_header *table); + +u32 ap_get_table_length(struct acpi_table_header *table); + +/* + * apfiles - File I/O utilities + */ +int ap_open_output_file(char *pathname); + +int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance); + +struct acpi_table_header *ap_get_table_from_file(char *pathname, + u32 *file_size); diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c new file mode 100644 index 00000000000..3cac1237836 --- /dev/null +++ b/tools/power/acpi/tools/acpidump/apdump.c @@ -0,0 +1,451 @@ +/****************************************************************************** + * + * Module Name: apdump - Dump routines for ACPI tables (acpidump) + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" + +/* Local prototypes */ + +static int +ap_dump_table_buffer(struct acpi_table_header *table, + u32 instance, acpi_physical_address address); + +/****************************************************************************** + * + * FUNCTION: ap_is_valid_header + * + * PARAMETERS: table - Pointer to table to be validated + * + * RETURN: TRUE if the header appears to be valid. FALSE otherwise + * + * DESCRIPTION: Check for a valid ACPI table header + * + ******************************************************************************/ + +u8 ap_is_valid_header(struct acpi_table_header *table) +{ + + if (!ACPI_VALIDATE_RSDP_SIG(table->signature)) { + + /* Make sure signature is all ASCII and a valid ACPI name */ + + if (!acpi_ut_valid_acpi_name(table->signature)) { + fprintf(stderr, + "Table signature (0x%8.8X) is invalid\n", + *(u32 *)table->signature); + return (FALSE); + } + + /* Check for minimum table length */ + + if (table->length < sizeof(struct acpi_table_header)) { + fprintf(stderr, "Table length (0x%8.8X) is invalid\n", + table->length); + return (FALSE); + } + } + + return (TRUE); +} + +/****************************************************************************** + * + * FUNCTION: ap_is_valid_checksum + * + * PARAMETERS: table - Pointer to table to be validated + * + * RETURN: TRUE if the checksum appears to be valid. FALSE otherwise. + * + * DESCRIPTION: Check for a valid ACPI table checksum. + * + ******************************************************************************/ + +u8 ap_is_valid_checksum(struct acpi_table_header *table) +{ + acpi_status status; + struct acpi_table_rsdp *rsdp; + + if (ACPI_VALIDATE_RSDP_SIG(table->signature)) { + /* + * Checksum for RSDP. + * Note: Other checksums are computed during the table dump. + */ + rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table); + status = acpi_tb_validate_rsdp(rsdp); + } else { + status = acpi_tb_verify_checksum(table, table->length); + } + + if (ACPI_FAILURE(status)) { + fprintf(stderr, "%4.4s: Warning: wrong checksum in table\n", + table->signature); + } + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: ap_get_table_length + * + * PARAMETERS: table - Pointer to the table + * + * RETURN: Table length + * + * DESCRIPTION: Obtain table length according to table signature. + * + ******************************************************************************/ + +u32 ap_get_table_length(struct acpi_table_header *table) +{ + struct acpi_table_rsdp *rsdp; + + /* Check if table is valid */ + + if (!ap_is_valid_header(table)) { + return (0); + } + + if (ACPI_VALIDATE_RSDP_SIG(table->signature)) { + rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table); + return (rsdp->length); + } + + /* Normal ACPI table */ + + return (table->length); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_buffer + * + * PARAMETERS: table - ACPI table to be dumped + * instance - ACPI table instance no. to be dumped + * address - Physical address of the table + * + * RETURN: None + * + * DESCRIPTION: Dump an ACPI table in standard ASCII hex format, with a + * header that is compatible with the acpi_xtract utility. + * + ******************************************************************************/ + +static int +ap_dump_table_buffer(struct acpi_table_header *table, + u32 instance, acpi_physical_address address) +{ + u32 table_length; + + table_length = ap_get_table_length(table); + + /* Print only the header if requested */ + + if (gbl_summary_mode) { + acpi_tb_print_table_header(address, table); + return (0); + } + + /* Dump to binary file if requested */ + + if (gbl_binary_mode) { + return (ap_write_to_binary_file(table, instance)); + } + + /* + * Dump the table with header for use with acpixtract utility. + * Note: simplest to just always emit a 64-bit address. acpi_xtract + * utility can handle this. + */ + printf("%4.4s @ 0x%8.8X%8.8X\n", table->signature, + ACPI_FORMAT_UINT64(address)); + + acpi_ut_dump_buffer(ACPI_CAST_PTR(u8, table), table_length, + DB_BYTE_DISPLAY, 0); + printf("\n"); + return (0); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_all_tables + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Get all tables from the RSDT/XSDT (or at least all of the + * tables that we can possibly get). + * + ******************************************************************************/ + +int ap_dump_all_tables(void) +{ + struct acpi_table_header *table; + u32 instance = 0; + acpi_physical_address address; + acpi_status status; + int table_status; + u32 i; + + /* Get and dump all available ACPI tables */ + + for (i = 0; i < AP_MAX_ACPI_FILES; i++) { + status = + acpi_os_get_table_by_index(i, &table, &instance, &address); + if (ACPI_FAILURE(status)) { + + /* AE_LIMIT means that no more tables are available */ + + if (status == AE_LIMIT) { + return (0); + } else if (i == 0) { + fprintf(stderr, + "Could not get ACPI tables, %s\n", + acpi_format_exception(status)); + return (-1); + } else { + fprintf(stderr, + "Could not get ACPI table at index %u, %s\n", + i, acpi_format_exception(status)); + continue; + } + } + + table_status = ap_dump_table_buffer(table, instance, address); + free(table); + + if (table_status) { + break; + } + } + + /* Something seriously bad happened if the loop terminates here */ + + return (-1); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_by_address + * + * PARAMETERS: ascii_address - Address for requested ACPI table + * + * RETURN: Status + * + * DESCRIPTION: Get an ACPI table via a physical address and dump it. + * + ******************************************************************************/ + +int ap_dump_table_by_address(char *ascii_address) +{ + acpi_physical_address address; + struct acpi_table_header *table; + acpi_status status; + int table_status; + u64 long_address; + + /* Convert argument to an integer physical address */ + + status = acpi_ut_strtoul64(ascii_address, 0, &long_address); + if (ACPI_FAILURE(status)) { + fprintf(stderr, "%s: Could not convert to a physical address\n", + ascii_address); + return (-1); + } + + address = (acpi_physical_address) long_address; + status = acpi_os_get_table_by_address(address, &table); + if (ACPI_FAILURE(status)) { + fprintf(stderr, "Could not get table at 0x%8.8X%8.8X, %s\n", + ACPI_FORMAT_UINT64(address), + acpi_format_exception(status)); + return (-1); + } + + table_status = ap_dump_table_buffer(table, 0, address); + free(table); + return (table_status); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_by_name + * + * PARAMETERS: signature - Requested ACPI table signature + * + * RETURN: Status + * + * DESCRIPTION: Get an ACPI table via a signature and dump it. Handles + * multiple tables with the same signature (SSDTs). + * + ******************************************************************************/ + +int ap_dump_table_by_name(char *signature) +{ + char local_signature[ACPI_NAME_SIZE + 1]; + u32 instance; + struct acpi_table_header *table; + acpi_physical_address address; + acpi_status status; + int table_status; + + if (strlen(signature) != ACPI_NAME_SIZE) { + fprintf(stderr, + "Invalid table signature [%s]: must be exactly 4 characters\n", + signature); + return (-1); + } + + /* Table signatures are expected to be uppercase */ + + strcpy(local_signature, signature); + acpi_ut_strupr(local_signature); + + /* To be friendly, handle tables whose signatures do not match the name */ + + if (ACPI_COMPARE_NAME(local_signature, "FADT")) { + strcpy(local_signature, ACPI_SIG_FADT); + } else if (ACPI_COMPARE_NAME(local_signature, "MADT")) { + strcpy(local_signature, ACPI_SIG_MADT); + } + + /* Dump all instances of this signature (to handle multiple SSDTs) */ + + for (instance = 0; instance < AP_MAX_ACPI_FILES; instance++) { + status = acpi_os_get_table_by_name(local_signature, instance, + &table, &address); + if (ACPI_FAILURE(status)) { + + /* AE_LIMIT means that no more tables are available */ + + if (status == AE_LIMIT) { + return (0); + } + + fprintf(stderr, + "Could not get ACPI table with signature [%s], %s\n", + local_signature, acpi_format_exception(status)); + return (-1); + } + + table_status = ap_dump_table_buffer(table, instance, address); + free(table); + + if (table_status) { + break; + } + } + + /* Something seriously bad happened if the loop terminates here */ + + return (-1); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_from_file + * + * PARAMETERS: pathname - File containing the binary ACPI table + * + * RETURN: Status + * + * DESCRIPTION: Dump an ACPI table from a binary file + * + ******************************************************************************/ + +int ap_dump_table_from_file(char *pathname) +{ + struct acpi_table_header *table; + u32 file_size = 0; + int table_status = -1; + + /* Get the entire ACPI table from the file */ + + table = ap_get_table_from_file(pathname, &file_size); + if (!table) { + return (-1); + } + + /* File must be at least as long as the table length */ + + if (table->length > file_size) { + fprintf(stderr, + "Table length (0x%X) is too large for input file (0x%X) %s\n", + table->length, file_size, pathname); + goto exit; + } + + if (gbl_verbose_mode) { + fprintf(stderr, + "Input file: %s contains table [%4.4s], 0x%X (%u) bytes\n", + pathname, table->signature, file_size, file_size); + } + + table_status = ap_dump_table_buffer(table, 0, 0); + +exit: + free(table); + return (table_status); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os* print functions + * + * DESCRIPTION: Used for linkage with ACPICA modules + * + ******************************************************************************/ + +void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vfprintf(stdout, fmt, args); + va_end(args); +} + +void acpi_os_vprintf(const char *fmt, va_list args) +{ + vfprintf(stdout, fmt, args); +} diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c new file mode 100644 index 00000000000..4488accc010 --- /dev/null +++ b/tools/power/acpi/tools/acpidump/apfiles.c @@ -0,0 +1,228 @@ +/****************************************************************************** + * + * Module Name: apfiles - File-related functions for acpidump utility + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" +#include "acapps.h" + +/****************************************************************************** + * + * FUNCTION: ap_open_output_file + * + * PARAMETERS: pathname - Output filename + * + * RETURN: Open file handle + * + * DESCRIPTION: Open a text output file for acpidump. Checks if file already + * exists. + * + ******************************************************************************/ + +int ap_open_output_file(char *pathname) +{ + struct stat stat_info; + FILE *file; + + /* If file exists, prompt for overwrite */ + + if (!stat(pathname, &stat_info)) { + fprintf(stderr, + "Target path already exists, overwrite? [y|n] "); + + if (getchar() != 'y') { + return (-1); + } + } + + /* Point stdout to the file */ + + file = freopen(pathname, "w", stdout); + if (!file) { + perror("Could not open output file"); + return (-1); + } + + /* Save the file and path */ + + gbl_output_file = file; + gbl_output_filename = pathname; + return (0); +} + +/****************************************************************************** + * + * FUNCTION: ap_write_to_binary_file + * + * PARAMETERS: table - ACPI table to be written + * instance - ACPI table instance no. to be written + * + * RETURN: Status + * + * DESCRIPTION: Write an ACPI table to a binary file. Builds the output + * filename from the table signature. + * + ******************************************************************************/ + +int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance) +{ + char filename[ACPI_NAME_SIZE + 16]; + char instance_str[16]; + FILE *file; + size_t actual; + u32 table_length; + + /* Obtain table length */ + + table_length = ap_get_table_length(table); + + /* Construct lower-case filename from the table local signature */ + + if (ACPI_VALIDATE_RSDP_SIG(table->signature)) { + ACPI_MOVE_NAME(filename, ACPI_RSDP_NAME); + } else { + ACPI_MOVE_NAME(filename, table->signature); + } + filename[0] = (char)ACPI_TOLOWER(filename[0]); + filename[1] = (char)ACPI_TOLOWER(filename[1]); + filename[2] = (char)ACPI_TOLOWER(filename[2]); + filename[3] = (char)ACPI_TOLOWER(filename[3]); + filename[ACPI_NAME_SIZE] = 0; + + /* Handle multiple SSDts - create different filenames for each */ + + if (instance > 0) { + sprintf(instance_str, "%u", instance); + strcat(filename, instance_str); + } + + strcat(filename, ACPI_TABLE_FILE_SUFFIX); + + if (gbl_verbose_mode) { + fprintf(stderr, + "Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n", + table->signature, filename, table->length, + table->length); + } + + /* Open the file and dump the entire table in binary mode */ + + file = fopen(filename, "wb"); + if (!file) { + perror("Could not open output file"); + return (-1); + } + + actual = fwrite(table, 1, table_length, file); + if (actual != table_length) { + perror("Error writing binary output file"); + fclose(file); + return (-1); + } + + fclose(file); + return (0); +} + +/****************************************************************************** + * + * FUNCTION: ap_get_table_from_file + * + * PARAMETERS: pathname - File containing the binary ACPI table + * out_file_size - Where the file size is returned + * + * RETURN: Buffer containing the ACPI table. NULL on error. + * + * DESCRIPTION: Open a file and read it entirely into a new buffer + * + ******************************************************************************/ + +struct acpi_table_header *ap_get_table_from_file(char *pathname, + u32 *out_file_size) +{ + struct acpi_table_header *buffer = NULL; + FILE *file; + u32 file_size; + size_t actual; + + /* Must use binary mode */ + + file = fopen(pathname, "rb"); + if (!file) { + perror("Could not open input file"); + return (NULL); + } + + /* Need file size to allocate a buffer */ + + file_size = cm_get_file_size(file); + if (file_size == ACPI_UINT32_MAX) { + fprintf(stderr, + "Could not get input file size: %s\n", pathname); + goto cleanup; + } + + /* Allocate a buffer for the entire file */ + + buffer = calloc(1, file_size); + if (!buffer) { + fprintf(stderr, + "Could not allocate file buffer of size: %u\n", + file_size); + goto cleanup; + } + + /* Read the entire file */ + + actual = fread(buffer, 1, file_size, file); + if (actual != file_size) { + fprintf(stderr, "Could not read input file: %s\n", pathname); + free(buffer); + buffer = NULL; + goto cleanup; + } + + *out_file_size = file_size; + +cleanup: + fclose(file); + return (buffer); +} diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c new file mode 100644 index 00000000000..51e8d638db1 --- /dev/null +++ b/tools/power/acpi/tools/acpidump/apmain.c @@ -0,0 +1,351 @@ +/****************************************************************************** + * + * Module Name: apmain - Main module for the acpidump utility + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#define _DECLARE_GLOBALS +#include "acpidump.h" +#include "acapps.h" + +/* + * acpidump - A portable utility for obtaining system ACPI tables and dumping + * them in an ASCII hex format suitable for binary extraction via acpixtract. + * + * Obtaining the system ACPI tables is an OS-specific operation. + * + * This utility can be ported to any host operating system by providing a + * module containing system-specific versions of these interfaces: + * + * acpi_os_get_table_by_address + * acpi_os_get_table_by_index + * acpi_os_get_table_by_name + * + * See the ACPICA Reference Guide for the exact definitions of these + * interfaces. Also, see these ACPICA source code modules for example + * implementations: + * + * source/os_specific/service_layers/oswintbl.c + * source/os_specific/service_layers/oslinuxtbl.c + */ + +/* Local prototypes */ + +static void ap_display_usage(void); + +static int ap_do_options(int argc, char **argv); + +static void ap_insert_action(char *argument, u32 to_be_done); + +/* Table for deferred actions from command line options */ + +struct ap_dump_action action_table[AP_MAX_ACTIONS]; +u32 current_action = 0; + +#define AP_UTILITY_NAME "ACPI Binary Table Dump Utility" +#define AP_SUPPORTED_OPTIONS "?a:bcf:hn:o:r:svxz" + +/****************************************************************************** + * + * FUNCTION: ap_display_usage + * + * DESCRIPTION: Usage message for the acpi_dump utility + * + ******************************************************************************/ + +static void ap_display_usage(void) +{ + + ACPI_USAGE_HEADER("acpidump [options]"); + + ACPI_OPTION("-b", "Dump tables to binary files"); + ACPI_OPTION("-c", "Dump customized tables"); + ACPI_OPTION("-h -?", "This help message"); + ACPI_OPTION("-o <File>", "Redirect output to file"); + ACPI_OPTION("-r <Address>", "Dump tables from specified RSDP"); + ACPI_OPTION("-s", "Print table summaries only"); + ACPI_OPTION("-v", "Display version information"); + ACPI_OPTION("-z", "Verbose mode"); + + printf("\nTable Options:\n"); + + ACPI_OPTION("-a <Address>", "Get table via a physical address"); + ACPI_OPTION("-f <BinaryFile>", "Get table via a binary file"); + ACPI_OPTION("-n <Signature>", "Get table via a name/signature"); + ACPI_OPTION("-x", "Do not use but dump XSDT"); + ACPI_OPTION("-x -x", "Do not use or dump XSDT"); + + printf("\n" + "Invocation without parameters dumps all available tables\n" + "Multiple mixed instances of -a, -f, and -n are supported\n\n"); +} + +/****************************************************************************** + * + * FUNCTION: ap_insert_action + * + * PARAMETERS: argument - Pointer to the argument for this action + * to_be_done - What to do to process this action + * + * RETURN: None. Exits program if action table becomes full. + * + * DESCRIPTION: Add an action item to the action table + * + ******************************************************************************/ + +static void ap_insert_action(char *argument, u32 to_be_done) +{ + + /* Insert action and check for table overflow */ + + action_table[current_action].argument = argument; + action_table[current_action].to_be_done = to_be_done; + + current_action++; + if (current_action > AP_MAX_ACTIONS) { + fprintf(stderr, "Too many table options (max %u)\n", + AP_MAX_ACTIONS); + exit(-1); + } +} + +/****************************************************************************** + * + * FUNCTION: ap_do_options + * + * PARAMETERS: argc/argv - Standard argc/argv + * + * RETURN: Status + * + * DESCRIPTION: Command line option processing. The main actions for getting + * and dumping tables are deferred via the action table. + * + *****************************************************************************/ + +static int ap_do_options(int argc, char **argv) +{ + int j; + acpi_status status; + + /* Command line options */ + + while ((j = acpi_getopt(argc, argv, AP_SUPPORTED_OPTIONS)) != EOF) + switch (j) { + /* + * Global options + */ + case 'b': /* Dump all input tables to binary files */ + + gbl_binary_mode = TRUE; + continue; + + case 'c': /* Dump customized tables */ + + gbl_dump_customized_tables = TRUE; + continue; + + case 'h': + case '?': + + ap_display_usage(); + exit(0); + + case 'o': /* Redirect output to a single file */ + + if (ap_open_output_file(acpi_gbl_optarg)) { + exit(-1); + } + continue; + + case 'r': /* Dump tables from specified RSDP */ + + status = + acpi_ut_strtoul64(acpi_gbl_optarg, 0, + &gbl_rsdp_base); + if (ACPI_FAILURE(status)) { + fprintf(stderr, + "%s: Could not convert to a physical address\n", + acpi_gbl_optarg); + exit(-1); + } + continue; + + case 's': /* Print table summaries only */ + + gbl_summary_mode = TRUE; + continue; + + case 'x': /* Do not use XSDT */ + + if (!acpi_gbl_do_not_use_xsdt) { + acpi_gbl_do_not_use_xsdt = TRUE; + } else { + gbl_do_not_dump_xsdt = TRUE; + } + continue; + + case 'v': /* Revision/version */ + + printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME)); + exit(0); + + case 'z': /* Verbose mode */ + + gbl_verbose_mode = TRUE; + fprintf(stderr, ACPI_COMMON_SIGNON(AP_UTILITY_NAME)); + continue; + + /* + * Table options + */ + case 'a': /* Get table by physical address */ + + ap_insert_action(acpi_gbl_optarg, + AP_DUMP_TABLE_BY_ADDRESS); + break; + + case 'f': /* Get table from a file */ + + ap_insert_action(acpi_gbl_optarg, + AP_DUMP_TABLE_BY_FILE); + break; + + case 'n': /* Get table by input name (signature) */ + + ap_insert_action(acpi_gbl_optarg, + AP_DUMP_TABLE_BY_NAME); + break; + + default: + + ap_display_usage(); + exit(-1); + } + + /* If there are no actions, this means "get/dump all tables" */ + + if (current_action == 0) { + ap_insert_action(NULL, AP_DUMP_ALL_TABLES); + } + + return (0); +} + +/****************************************************************************** + * + * FUNCTION: main + * + * PARAMETERS: argc/argv - Standard argc/argv + * + * RETURN: Status + * + * DESCRIPTION: C main function for acpidump utility + * + ******************************************************************************/ + +int ACPI_SYSTEM_XFACE main(int argc, char *argv[]) +{ + int status = 0; + struct ap_dump_action *action; + u32 file_size; + u32 i; + + ACPI_DEBUG_INITIALIZE(); /* For debug version only */ + + /* Process command line options */ + + if (ap_do_options(argc, argv)) { + return (-1); + } + + /* Get/dump ACPI table(s) as requested */ + + for (i = 0; i < current_action; i++) { + action = &action_table[i]; + switch (action->to_be_done) { + case AP_DUMP_ALL_TABLES: + + status = ap_dump_all_tables(); + break; + + case AP_DUMP_TABLE_BY_ADDRESS: + + status = ap_dump_table_by_address(action->argument); + break; + + case AP_DUMP_TABLE_BY_NAME: + + status = ap_dump_table_by_name(action->argument); + break; + + case AP_DUMP_TABLE_BY_FILE: + + status = ap_dump_table_from_file(action->argument); + break; + + default: + + fprintf(stderr, + "Internal error, invalid action: 0x%X\n", + action->to_be_done); + return (-1); + } + + if (status) { + return (status); + } + } + + if (gbl_output_file) { + if (gbl_verbose_mode) { + + /* Summary for the output file */ + + file_size = cm_get_file_size(gbl_output_file); + fprintf(stderr, + "Output file %s contains 0x%X (%u) bytes\n\n", + gbl_output_filename, file_size, file_size); + } + + fclose(gbl_output_file); + } + + return (status); +} diff --git a/tools/power/acpi/tools/ec/Makefile b/tools/power/acpi/tools/ec/Makefile new file mode 100644 index 00000000000..b7b0b929bd3 --- /dev/null +++ b/tools/power/acpi/tools/ec/Makefile @@ -0,0 +1,22 @@ +ec_access: ec_access.o + $(ECHO) " LD " $@ + $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $< -o $@ + $(QUIET) $(STRIPCMD) $@ + +%.o: %.c + $(ECHO) " CC " $@ + $(QUIET) $(CC) -c $(CFLAGS) -o $@ $< + +all: ec_access + +install: + $(INSTALL) -d $(DESTDIR)${sbindir} + $(INSTALL_PROGRAM) ec_access $(DESTDIR)${sbindir} + +uninstall: + - rm -f $(DESTDIR)${sbindir}/ec_access + +clean: + -rm -f $(OUTPUT)ec_access + +.PHONY: all install uninstall diff --git a/tools/power/acpi/tools/ec/ec_access.c b/tools/power/acpi/tools/ec/ec_access.c new file mode 100644 index 00000000000..6b8aaed44f2 --- /dev/null +++ b/tools/power/acpi/tools/ec/ec_access.c @@ -0,0 +1,238 @@ +/* + * ec_access.c + * + * Copyright (C) 2010 SUSE Linux Products GmbH + * Author: + * Thomas Renninger <trenn@suse.de> + * + * This work is licensed under the terms of the GNU GPL, version 2. + */ + +#include <fcntl.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <libgen.h> +#include <unistd.h> +#include <getopt.h> +#include <stdint.h> +#include <sys/types.h> +#include <sys/stat.h> + + +#define EC_SPACE_SIZE 256 +#define SYSFS_PATH "/sys/kernel/debug/ec/ec0/io" + +/* TBD/Enhancements: + - Provide param for accessing different ECs (not supported by kernel yet) +*/ + +static int read_mode = -1; +static int sleep_time; +static int write_byte_offset = -1; +static int read_byte_offset = -1; +static uint8_t write_value = -1; + +void usage(char progname[], int exit_status) +{ + printf("Usage:\n"); + printf("1) %s -r [-s sleep]\n", basename(progname)); + printf("2) %s -b byte_offset\n", basename(progname)); + printf("3) %s -w byte_offset -v value\n\n", basename(progname)); + + puts("\t-r [-s sleep] : Dump EC registers"); + puts("\t If sleep is given, sleep x seconds,"); + puts("\t re-read EC registers and show changes"); + puts("\t-b offset : Read value at byte_offset (in hex)"); + puts("\t-w offset -v value : Write value at byte_offset"); + puts("\t-h : Print this help\n\n"); + puts("Offsets and values are in hexadecimal number sytem."); + puts("The offset and value must be between 0 and 0xff."); + exit(exit_status); +} + +void parse_opts(int argc, char *argv[]) +{ + int c; + + while ((c = getopt(argc, argv, "rs:b:w:v:h")) != -1) { + + switch (c) { + case 'r': + if (read_mode != -1) + usage(argv[0], EXIT_FAILURE); + read_mode = 1; + break; + case 's': + if (read_mode != -1 && read_mode != 1) + usage(argv[0], EXIT_FAILURE); + + sleep_time = atoi(optarg); + if (sleep_time <= 0) { + sleep_time = 0; + usage(argv[0], EXIT_FAILURE); + printf("Bad sleep time: %s\n", optarg); + } + break; + case 'b': + if (read_mode != -1) + usage(argv[0], EXIT_FAILURE); + read_mode = 1; + read_byte_offset = strtoul(optarg, NULL, 16); + break; + case 'w': + if (read_mode != -1) + usage(argv[0], EXIT_FAILURE); + read_mode = 0; + write_byte_offset = strtoul(optarg, NULL, 16); + break; + case 'v': + write_value = strtoul(optarg, NULL, 16); + break; + case 'h': + usage(argv[0], EXIT_SUCCESS); + default: + fprintf(stderr, "Unknown option!\n"); + usage(argv[0], EXIT_FAILURE); + } + } + if (read_mode == 0) { + if (write_byte_offset < 0 || + write_byte_offset >= EC_SPACE_SIZE) { + fprintf(stderr, "Wrong byte offset 0x%.2x, valid: " + "[0-0x%.2x]\n", + write_byte_offset, EC_SPACE_SIZE - 1); + usage(argv[0], EXIT_FAILURE); + } + if (write_value < 0 || + write_value >= 255) { + fprintf(stderr, "Wrong byte offset 0x%.2x, valid:" + "[0-0xff]\n", write_byte_offset); + usage(argv[0], EXIT_FAILURE); + } + } + if (read_mode == 1 && read_byte_offset != -1) { + if (read_byte_offset < -1 || + read_byte_offset >= EC_SPACE_SIZE) { + fprintf(stderr, "Wrong byte offset 0x%.2x, valid: " + "[0-0x%.2x]\n", + read_byte_offset, EC_SPACE_SIZE - 1); + usage(argv[0], EXIT_FAILURE); + } + } + /* Add additional parameter checks here */ +} + +void dump_ec(int fd) +{ + char buf[EC_SPACE_SIZE]; + char buf2[EC_SPACE_SIZE]; + int byte_off, bytes_read; + + bytes_read = read(fd, buf, EC_SPACE_SIZE); + + if (bytes_read == -1) + err(EXIT_FAILURE, "Could not read from %s\n", SYSFS_PATH); + + if (bytes_read != EC_SPACE_SIZE) + fprintf(stderr, "Could only read %d bytes\n", bytes_read); + + printf(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"); + for (byte_off = 0; byte_off < bytes_read; byte_off++) { + if ((byte_off % 16) == 0) + printf("\n%.2X: ", byte_off); + printf(" %.2x ", (uint8_t)buf[byte_off]); + } + printf("\n"); + + if (!sleep_time) + return; + + printf("\n"); + lseek(fd, 0, SEEK_SET); + sleep(sleep_time); + + bytes_read = read(fd, buf2, EC_SPACE_SIZE); + + if (bytes_read == -1) + err(EXIT_FAILURE, "Could not read from %s\n", SYSFS_PATH); + + if (bytes_read != EC_SPACE_SIZE) + fprintf(stderr, "Could only read %d bytes\n", bytes_read); + + printf(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"); + for (byte_off = 0; byte_off < bytes_read; byte_off++) { + if ((byte_off % 16) == 0) + printf("\n%.2X: ", byte_off); + + if (buf[byte_off] == buf2[byte_off]) + printf(" %.2x ", (uint8_t)buf2[byte_off]); + else + printf("*%.2x ", (uint8_t)buf2[byte_off]); + } + printf("\n"); +} + +void read_ec_val(int fd, int byte_offset) +{ + uint8_t buf; + int error; + + error = lseek(fd, byte_offset, SEEK_SET); + if (error != byte_offset) + err(EXIT_FAILURE, "Cannot set offset to 0x%.2x", byte_offset); + + error = read(fd, &buf, 1); + if (error != 1) + err(EXIT_FAILURE, "Could not read byte 0x%.2x from %s\n", + byte_offset, SYSFS_PATH); + printf("0x%.2x\n", buf); + return; +} + +void write_ec_val(int fd, int byte_offset, uint8_t value) +{ + int error; + + error = lseek(fd, byte_offset, SEEK_SET); + if (error != byte_offset) + err(EXIT_FAILURE, "Cannot set offset to 0x%.2x", byte_offset); + + error = write(fd, &value, 1); + if (error != 1) + err(EXIT_FAILURE, "Cannot write value 0x%.2x to offset 0x%.2x", + value, byte_offset); +} + +int main(int argc, char *argv[]) +{ + int file_mode = O_RDONLY; + int fd; + + parse_opts(argc, argv); + + if (read_mode == 0) + file_mode = O_WRONLY; + else if (read_mode == 1) + file_mode = O_RDONLY; + else + usage(argv[0], EXIT_FAILURE); + + fd = open(SYSFS_PATH, file_mode); + if (fd == -1) + err(EXIT_FAILURE, "%s", SYSFS_PATH); + + if (read_mode) + if (read_byte_offset == -1) + dump_ec(fd); + else if (read_byte_offset < 0 || + read_byte_offset >= EC_SPACE_SIZE) + usage(argv[0], EXIT_FAILURE); + else + read_ec_val(fd, read_byte_offset); + else + write_ec_val(fd, write_byte_offset, write_value); + close(fd); + + exit(EXIT_SUCCESS); +} diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile index cbfec92af32..2e2ba2efa0d 100644 --- a/tools/power/cpupower/Makefile +++ b/tools/power/cpupower/Makefile @@ -62,7 +62,7 @@ LIB_MAJ= 0.0.0 LIB_MIN= 0 PACKAGE = cpupower -PACKAGE_BUGREPORT = cpufreq@vger.kernel.org +PACKAGE_BUGREPORT = linux-pm@vger.kernel.org LANGUAGES = de fr it cs pt @@ -274,6 +274,8 @@ install-man: $(INSTALL_DATA) -D man/cpupower.1 $(DESTDIR)${mandir}/man1/cpupower.1 $(INSTALL_DATA) -D man/cpupower-frequency-set.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1 $(INSTALL_DATA) -D man/cpupower-frequency-info.1 $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1 + $(INSTALL_DATA) -D man/cpupower-idle-set.1 $(DESTDIR)${mandir}/man1/cpupower-idle-set.1 + $(INSTALL_DATA) -D man/cpupower-idle-info.1 $(DESTDIR)${mandir}/man1/cpupower-idle-info.1 $(INSTALL_DATA) -D man/cpupower-set.1 $(DESTDIR)${mandir}/man1/cpupower-set.1 $(INSTALL_DATA) -D man/cpupower-info.1 $(DESTDIR)${mandir}/man1/cpupower-info.1 $(INSTALL_DATA) -D man/cpupower-monitor.1 $(DESTDIR)${mandir}/man1/cpupower-monitor.1 @@ -295,8 +297,12 @@ uninstall: - rm -f $(DESTDIR)${libdir}/libcpupower.* - rm -f $(DESTDIR)${includedir}/cpufreq.h - rm -f $(DESTDIR)${bindir}/utils/cpupower - - rm -f $(DESTDIR)${mandir}/man1/cpufreq-set.1 - - rm -f $(DESTDIR)${mandir}/man1/cpufreq-info.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-info.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-set.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-info.1 + - rm -f $(DESTDIR)${mandir}/man1/cpupower-monitor.1 - for HLANG in $(LANGUAGES); do \ rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupower.mo; \ done; diff --git a/tools/power/cpupower/README b/tools/power/cpupower/README index fd9d4c0d668..1c68f47663b 100644 --- a/tools/power/cpupower/README +++ b/tools/power/cpupower/README @@ -1,6 +1,4 @@ -The cpufrequtils package (homepage: -http://www.kernel.org/pub/linux/utils/kernel/cpufreq/cpufrequtils.html ) -consists of the following elements: +The cpupower package consists of the following elements: requirements ------------ @@ -11,10 +9,10 @@ providing cpuid.h is needed. For both it's not explicitly checked for (yet). -libcpufreq +libcpupower ---------- -"libcpufreq" is a library which offers a unified access method for userspace +"libcpupower" is a library which offers a unified access method for userspace tools and programs to the cpufreq core and drivers in the Linux kernel. This allows for code reduction in userspace tools, a clean implementation of the interaction to the cpufreq core, and support for both the sysfs and proc @@ -28,22 +26,22 @@ make su make install -should suffice on most systems. It builds default libcpufreq, -cpufreq-set and cpufreq-info files and installs them in /usr/lib and -/usr/bin, respectively. If you want to set up the paths differently and/or -want to configure the package to your specific needs, you need to open -"Makefile" with an editor of your choice and edit the block marked -CONFIGURATION. +should suffice on most systems. It builds libcpupower to put in +/usr/lib; cpupower, cpufreq-bench_plot.sh to put in /usr/bin; and +cpufreq-bench to put in /usr/sbin. If you want to set up the paths +differently and/or want to configure the package to your specific +needs, you need to open "Makefile" with an editor of your choice and +edit the block marked CONFIGURATION. THANKS ------ Many thanks to Mattia Dongili who wrote the autotoolization and -libtoolization, the manpages and the italian language file for cpufrequtils; +libtoolization, the manpages and the italian language file for cpupower; to Dave Jones for his feedback and his dump_psb tool; to Bruno Ducrot for his powernow-k8-decode and intel_gsic tools as well as the french language file; and to various others commenting on the previous (pre-)releases of -cpufrequtils. +cpupower. Dominik Brodowski diff --git a/tools/power/cpupower/ToDo b/tools/power/cpupower/ToDo index 874b78b586e..6e8b89f282e 100644 --- a/tools/power/cpupower/ToDo +++ b/tools/power/cpupower/ToDo @@ -3,7 +3,6 @@ ToDos sorted by priority: - Use bitmask functions to parse CPU topology more robust (current implementation has issues on AMD) - Try to read out boost states and frequencies on Intel -- Adjust README - Somewhere saw the ability to read power consumption of RAM from HW on Intel SandyBridge -> another monitor? - Add another c1e debug idle monitor diff --git a/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c b/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c index 66cace601e5..5224ee5b392 100644 --- a/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c +++ b/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c @@ -18,19 +18,16 @@ * 5.) if the third value, "diff_pmtmr", changes between 2. and 4., the * TSC-based delay routine on the Linux kernel does not correctly * handle the cpufreq transition. Please report this to - * cpufreq@vger.kernel.org + * linux-pm@vger.kernel.org */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/delay.h> - +#include <linux/acpi.h> #include <asm/io.h> -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> - static int pm_tmr_ioport = 0; /*helper function to safely read acpi pm timesource*/ diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1 index 4a1918ea8f9..9c85a382e35 100644 --- a/tools/power/cpupower/man/cpupower-frequency-info.1 +++ b/tools/power/cpupower/man/cpupower-frequency-info.1 @@ -50,6 +50,9 @@ Prints out information like provided by the /proc/cpufreq interface in 2.4. and \fB\-m\fR \fB\-\-human\fR human\-readable output for the \-f, \-w, \-s and \-y parameters. .TP +\fB\-n\fR \fB\-\-no-rounding\fR +Output frequencies and latencies without rounding off values. +.TP .SH "REMARKS" .LP By default only values of core zero are displayed. How to display settings of diff --git a/tools/power/cpupower/man/cpupower-idle-set.1 b/tools/power/cpupower/man/cpupower-idle-set.1 index 6b1607272a5..3e6799d7a79 100644 --- a/tools/power/cpupower/man/cpupower-idle-set.1 +++ b/tools/power/cpupower/man/cpupower-idle-set.1 @@ -13,11 +13,17 @@ sleep states. This can be handy for power vs performance tuning. .SH "OPTIONS" .LP .TP -\fB\-d\fR \fB\-\-disable\fR +\fB\-d\fR \fB\-\-disable\fR <STATE_NO> Disable a specific processor sleep state. .TP -\fB\-e\fR \fB\-\-enable\fR +\fB\-e\fR \fB\-\-enable\fR <STATE_NO> Enable a specific processor sleep state. +.TP +\fB\-D\fR \fB\-\-disable-by-latency\fR <LATENCY> +Disable all idle states with a equal or higher latency than <LATENCY> +.TP +\fB\-E\fR \fB\-\-enable-all\fR +Enable all idle states if not enabled already. .SH "REMARKS" .LP diff --git a/tools/power/cpupower/man/cpupower-info.1 b/tools/power/cpupower/man/cpupower-info.1 index 58e21196f17..340bcd0be7d 100644 --- a/tools/power/cpupower/man/cpupower-info.1 +++ b/tools/power/cpupower/man/cpupower-info.1 @@ -3,7 +3,7 @@ cpupower\-info \- Shows processor power related kernel or hardware configurations .SH SYNOPSIS .ft B -.B cpupower info [ \-b ] [ \-s ] [ \-m ] +.B cpupower info [ \-b ] .SH DESCRIPTION \fBcpupower info \fP shows kernel configurations or processor hardware diff --git a/tools/power/cpupower/man/cpupower-set.1 b/tools/power/cpupower/man/cpupower-set.1 index 9dbd536518a..2bcc696f449 100644 --- a/tools/power/cpupower/man/cpupower-set.1 +++ b/tools/power/cpupower/man/cpupower-set.1 @@ -3,7 +3,7 @@ cpupower\-set \- Set processor power related kernel or hardware configurations .SH SYNOPSIS .ft B -.B cpupower set [ \-b VAL ] [ \-s VAL ] [ \-m VAL ] +.B cpupower set [ \-b VAL ] .SH DESCRIPTION @@ -55,35 +55,6 @@ Use \fBcpupower -c all info -b\fP to verify. This options needs the msr kernel driver (CONFIG_X86_MSR) loaded. .RE -.PP -\-\-sched\-mc, \-m [ VAL ] -.RE -\-\-sched\-smt, \-s [ VAL ] -.RS 4 -\-\-sched\-mc utilizes cores in one processor package/socket first before -processes are scheduled to other processor packages/sockets. - -\-\-sched\-smt utilizes thread siblings of one processor core first before -processes are scheduled to other cores. - -The impact on power consumption and performance (positiv or negativ) heavily -depends on processor support for deep sleep states, frequency scaling and -frequency boost modes and their dependencies between other thread siblings -and processor cores. - -Taken over from kernel documentation: - -Adjust the kernel's multi-core scheduler support. - -Possible values are: -.RS 2 -0 - No power saving load balance (default value) - -1 - Fill one thread/core/package first for long running threads - -2 - Also bias task wakeups to semi-idle cpu package for power -savings -.RE .SH "SEE ALSO" cpupower-info(1), cpupower-monitor(1), powertop(1) diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c index 28953c9a7bd..b4b90a97662 100644 --- a/tools/power/cpupower/utils/cpufreq-info.c +++ b/tools/power/cpupower/utils/cpufreq-info.c @@ -82,29 +82,42 @@ static void proc_cpufreq_output(void) } } +static int no_rounding; static void print_speed(unsigned long speed) { unsigned long tmp; - if (speed > 1000000) { - tmp = speed % 10000; - if (tmp >= 5000) - speed += 10000; - printf("%u.%02u GHz", ((unsigned int) speed/1000000), - ((unsigned int) (speed%1000000)/10000)); - } else if (speed > 100000) { - tmp = speed % 1000; - if (tmp >= 500) - speed += 1000; - printf("%u MHz", ((unsigned int) speed / 1000)); - } else if (speed > 1000) { - tmp = speed % 100; - if (tmp >= 50) - speed += 100; - printf("%u.%01u MHz", ((unsigned int) speed/1000), - ((unsigned int) (speed%1000)/100)); - } else - printf("%lu kHz", speed); + if (no_rounding) { + if (speed > 1000000) + printf("%u.%06u GHz", ((unsigned int) speed/1000000), + ((unsigned int) speed%1000000)); + else if (speed > 100000) + printf("%u MHz", (unsigned int) speed); + else if (speed > 1000) + printf("%u.%03u MHz", ((unsigned int) speed/1000), + (unsigned int) (speed%1000)); + else + printf("%lu kHz", speed); + } else { + if (speed > 1000000) { + tmp = speed%10000; + if (tmp >= 5000) + speed += 10000; + printf("%u.%02u GHz", ((unsigned int) speed/1000000), + ((unsigned int) (speed%1000000)/10000)); + } else if (speed > 100000) { + tmp = speed%1000; + if (tmp >= 500) + speed += 1000; + printf("%u MHz", ((unsigned int) speed/1000)); + } else if (speed > 1000) { + tmp = speed%100; + if (tmp >= 50) + speed += 100; + printf("%u.%01u MHz", ((unsigned int) speed/1000), + ((unsigned int) (speed%1000)/100)); + } + } return; } @@ -113,26 +126,38 @@ static void print_duration(unsigned long duration) { unsigned long tmp; - if (duration > 1000000) { - tmp = duration % 10000; - if (tmp >= 5000) - duration += 10000; - printf("%u.%02u ms", ((unsigned int) duration/1000000), - ((unsigned int) (duration%1000000)/10000)); - } else if (duration > 100000) { - tmp = duration % 1000; - if (tmp >= 500) - duration += 1000; - printf("%u us", ((unsigned int) duration / 1000)); - } else if (duration > 1000) { - tmp = duration % 100; - if (tmp >= 50) - duration += 100; - printf("%u.%01u us", ((unsigned int) duration/1000), - ((unsigned int) (duration%1000)/100)); - } else - printf("%lu ns", duration); - + if (no_rounding) { + if (duration > 1000000) + printf("%u.%06u ms", ((unsigned int) duration/1000000), + ((unsigned int) duration%1000000)); + else if (duration > 100000) + printf("%u us", ((unsigned int) duration/1000)); + else if (duration > 1000) + printf("%u.%03u us", ((unsigned int) duration/1000), + ((unsigned int) duration%1000)); + else + printf("%lu ns", duration); + } else { + if (duration > 1000000) { + tmp = duration%10000; + if (tmp >= 5000) + duration += 10000; + printf("%u.%02u ms", ((unsigned int) duration/1000000), + ((unsigned int) (duration%1000000)/10000)); + } else if (duration > 100000) { + tmp = duration%1000; + if (tmp >= 500) + duration += 1000; + printf("%u us", ((unsigned int) duration / 1000)); + } else if (duration > 1000) { + tmp = duration%100; + if (tmp >= 50) + duration += 100; + printf("%u.%01u us", ((unsigned int) duration/1000), + ((unsigned int) (duration%1000)/100)); + } else + printf("%lu ns", duration); + } return; } @@ -525,6 +550,7 @@ static struct option info_opts[] = { { .name = "latency", .has_arg = no_argument, .flag = NULL, .val = 'y'}, { .name = "proc", .has_arg = no_argument, .flag = NULL, .val = 'o'}, { .name = "human", .has_arg = no_argument, .flag = NULL, .val = 'm'}, + { .name = "no-rounding", .has_arg = no_argument, .flag = NULL, .val = 'n'}, { }, }; @@ -538,7 +564,8 @@ int cmd_freq_info(int argc, char **argv) int output_param = 0; do { - ret = getopt_long(argc, argv, "oefwldpgrasmyb", info_opts, NULL); + ret = getopt_long(argc, argv, "oefwldpgrasmybn", info_opts, + NULL); switch (ret) { case '?': output_param = '?'; @@ -575,6 +602,9 @@ int cmd_freq_info(int argc, char **argv) } human = 1; break; + case 'n': + no_rounding = 1; + break; default: fprintf(stderr, "invalid or unknown argument\n"); return EXIT_FAILURE; diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c index dd1539eb8c6..a416de80c55 100644 --- a/tools/power/cpupower/utils/cpufreq-set.c +++ b/tools/power/cpupower/utils/cpufreq-set.c @@ -257,7 +257,7 @@ int cmd_freq_set(int argc, char **argv) print_unknown_arg(); return -EINVAL; } - if ((sscanf(optarg, "%s", gov)) != 1) { + if ((sscanf(optarg, "%19s", gov)) != 1) { print_unknown_arg(); return -EINVAL; } diff --git a/tools/power/cpupower/utils/cpuidle-set.c b/tools/power/cpupower/utils/cpuidle-set.c index c78141c5dfa..d45d8d775c0 100644 --- a/tools/power/cpupower/utils/cpuidle-set.c +++ b/tools/power/cpupower/utils/cpuidle-set.c @@ -13,8 +13,14 @@ #include "helpers/sysfs.h" static struct option info_opts[] = { - { .name = "disable", .has_arg = required_argument, .flag = NULL, .val = 'd'}, - { .name = "enable", .has_arg = required_argument, .flag = NULL, .val = 'e'}, + { .name = "disable", + .has_arg = required_argument, .flag = NULL, .val = 'd'}, + { .name = "enable", + .has_arg = required_argument, .flag = NULL, .val = 'e'}, + { .name = "disable-by-latency", + .has_arg = required_argument, .flag = NULL, .val = 'D'}, + { .name = "enable-all", + .has_arg = no_argument, .flag = NULL, .val = 'E'}, { }, }; @@ -23,11 +29,13 @@ int cmd_idle_set(int argc, char **argv) { extern char *optarg; extern int optind, opterr, optopt; - int ret = 0, cont = 1, param = 0, idlestate = 0; - unsigned int cpu = 0; + int ret = 0, cont = 1, param = 0, disabled; + unsigned long long latency = 0, state_latency; + unsigned int cpu = 0, idlestate = 0, idlestates = 0; + char *endptr; do { - ret = getopt_long(argc, argv, "d:e:", info_opts, NULL); + ret = getopt_long(argc, argv, "d:e:ED:", info_opts, NULL); if (ret == -1) break; switch (ret) { @@ -53,6 +61,27 @@ int cmd_idle_set(int argc, char **argv) param = ret; idlestate = atoi(optarg); break; + case 'D': + if (param) { + param = -1; + cont = 0; + break; + } + param = ret; + latency = strtoull(optarg, &endptr, 10); + if (*endptr != '\0') { + printf(_("Bad latency value: %s\n"), optarg); + exit(EXIT_FAILURE); + } + break; + case 'E': + if (param) { + param = -1; + cont = 0; + break; + } + param = ret; + break; case -1: cont = 0; break; @@ -79,8 +108,14 @@ int cmd_idle_set(int argc, char **argv) if (!bitmask_isbitset(cpus_chosen, cpu)) continue; - switch (param) { + if (sysfs_is_cpu_online(cpu) != 1) + continue; + + idlestates = sysfs_get_idlestate_count(cpu); + if (idlestates <= 0) + continue; + switch (param) { case 'd': ret = sysfs_idlestate_disable(cpu, idlestate, 1); if (ret == 0) @@ -107,6 +142,34 @@ int cmd_idle_set(int argc, char **argv) printf(_("Idlestate %u not enabled on CPU %u\n"), idlestate, cpu); break; + case 'D': + for (idlestate = 0; idlestate < idlestates; idlestate++) { + disabled = sysfs_is_idlestate_disabled + (cpu, idlestate); + state_latency = sysfs_get_idlestate_latency + (cpu, idlestate); + printf("CPU: %u - idlestate %u - state_latency: %llu - latency: %llu\n", + cpu, idlestate, state_latency, latency); + if (disabled == 1 || latency > state_latency) + continue; + ret = sysfs_idlestate_disable + (cpu, idlestate, 1); + if (ret == 0) + printf(_("Idlestate %u disabled on CPU %u\n"), idlestate, cpu); + } + break; + case 'E': + for (idlestate = 0; idlestate < idlestates; idlestate++) { + disabled = sysfs_is_idlestate_disabled + (cpu, idlestate); + if (disabled == 1) { + ret = sysfs_idlestate_disable + (cpu, idlestate, 0); + if (ret == 0) + printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu); + } + } + break; default: /* Not reachable with proper args checking */ printf(_("Invalid or unknown argument\n")); diff --git a/tools/power/cpupower/utils/cpupower-info.c b/tools/power/cpupower/utils/cpupower-info.c index 3f68632c28c..136d979e958 100644 --- a/tools/power/cpupower/utils/cpupower-info.c +++ b/tools/power/cpupower/utils/cpupower-info.c @@ -18,8 +18,6 @@ static struct option set_opts[] = { { .name = "perf-bias", .has_arg = optional_argument, .flag = NULL, .val = 'b'}, - { .name = "sched-mc", .has_arg = optional_argument, .flag = NULL, .val = 'm'}, - { .name = "sched-smt", .has_arg = optional_argument, .flag = NULL, .val = 's'}, { }, }; @@ -37,8 +35,6 @@ int cmd_info(int argc, char **argv) union { struct { - int sched_mc:1; - int sched_smt:1; int perf_bias:1; }; int params; @@ -49,23 +45,13 @@ int cmd_info(int argc, char **argv) textdomain(PACKAGE); /* parameter parsing */ - while ((ret = getopt_long(argc, argv, "msb", set_opts, NULL)) != -1) { + while ((ret = getopt_long(argc, argv, "b", set_opts, NULL)) != -1) { switch (ret) { case 'b': if (params.perf_bias) print_wrong_arg_exit(); params.perf_bias = 1; break; - case 'm': - if (params.sched_mc) - print_wrong_arg_exit(); - params.sched_mc = 1; - break; - case 's': - if (params.sched_smt) - print_wrong_arg_exit(); - params.sched_smt = 1; - break; default: print_wrong_arg_exit(); } @@ -78,25 +64,6 @@ int cmd_info(int argc, char **argv) if (bitmask_isallclear(cpus_chosen)) bitmask_setbit(cpus_chosen, 0); - if (params.sched_mc) { - ret = sysfs_get_sched("mc"); - printf(_("System's multi core scheduler setting: ")); - if (ret < 0) - /* if sysfs file is missing it's: errno == ENOENT */ - printf(_("not supported\n")); - else - printf("%d\n", ret); - } - if (params.sched_smt) { - ret = sysfs_get_sched("smt"); - printf(_("System's thread sibling scheduler setting: ")); - if (ret < 0) - /* if sysfs file is missing it's: errno == ENOENT */ - printf(_("not supported\n")); - else - printf("%d\n", ret); - } - /* Add more per cpu options here */ if (!params.perf_bias) return ret; @@ -125,11 +92,12 @@ int cmd_info(int argc, char **argv) if (params.perf_bias) { ret = msr_intel_get_perf_bias(cpu); if (ret < 0) { - printf(_("Could not read perf-bias value\n")); - break; + fprintf(stderr, + _("Could not read perf-bias value[%d]\n"), ret); + exit(EXIT_FAILURE); } else printf(_("perf-bias: %d\n"), ret); } } - return ret; + return 0; } diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c index dc4de376211..573c75f8e3f 100644 --- a/tools/power/cpupower/utils/cpupower-set.c +++ b/tools/power/cpupower/utils/cpupower-set.c @@ -18,9 +18,7 @@ #include "helpers/bitmask.h" static struct option set_opts[] = { - { .name = "perf-bias", .has_arg = optional_argument, .flag = NULL, .val = 'b'}, - { .name = "sched-mc", .has_arg = optional_argument, .flag = NULL, .val = 'm'}, - { .name = "sched-smt", .has_arg = optional_argument, .flag = NULL, .val = 's'}, + { .name = "perf-bias", .has_arg = required_argument, .flag = NULL, .val = 'b'}, { }, }; @@ -38,13 +36,11 @@ int cmd_set(int argc, char **argv) union { struct { - int sched_mc:1; - int sched_smt:1; int perf_bias:1; }; int params; } params; - int sched_mc = 0, sched_smt = 0, perf_bias = 0; + int perf_bias = 0; int ret = 0; setlocale(LC_ALL, ""); @@ -52,7 +48,7 @@ int cmd_set(int argc, char **argv) params.params = 0; /* parameter parsing */ - while ((ret = getopt_long(argc, argv, "m:s:b:", + while ((ret = getopt_long(argc, argv, "b:", set_opts, NULL)) != -1) { switch (ret) { case 'b': @@ -66,28 +62,6 @@ int cmd_set(int argc, char **argv) } params.perf_bias = 1; break; - case 'm': - if (params.sched_mc) - print_wrong_arg_exit(); - sched_mc = atoi(optarg); - if (sched_mc < 0 || sched_mc > 2) { - printf(_("--sched-mc param out " - "of range [0-%d]\n"), 2); - print_wrong_arg_exit(); - } - params.sched_mc = 1; - break; - case 's': - if (params.sched_smt) - print_wrong_arg_exit(); - sched_smt = atoi(optarg); - if (sched_smt < 0 || sched_smt > 2) { - printf(_("--sched-smt param out " - "of range [0-%d]\n"), 2); - print_wrong_arg_exit(); - } - params.sched_smt = 1; - break; default: print_wrong_arg_exit(); } @@ -96,19 +70,6 @@ int cmd_set(int argc, char **argv) if (!params.params) print_wrong_arg_exit(); - if (params.sched_mc) { - ret = sysfs_set_sched("mc", sched_mc); - if (ret) - fprintf(stderr, _("Error setting sched-mc %s\n"), - (ret == -ENODEV) ? "not supported" : ""); - } - if (params.sched_smt) { - ret = sysfs_set_sched("smt", sched_smt); - if (ret) - fprintf(stderr, _("Error setting sched-smt %s\n"), - (ret == -ENODEV) ? "not supported" : ""); - } - /* Default is: set all CPUs */ if (bitmask_isallclear(cpus_chosen)) bitmask_setall(cpus_chosen); diff --git a/tools/power/cpupower/utils/cpupower.c b/tools/power/cpupower/utils/cpupower.c index 7efc570ffba..7cdcf88659c 100644 --- a/tools/power/cpupower/utils/cpupower.c +++ b/tools/power/cpupower/utils/cpupower.c @@ -12,6 +12,9 @@ #include <string.h> #include <unistd.h> #include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/utsname.h> #include "builtin.h" #include "helpers/helpers.h" @@ -169,6 +172,8 @@ int main(int argc, const char *argv[]) { const char *cmd; unsigned int i, ret; + struct stat statbuf; + struct utsname uts; cpus_chosen = bitmask_alloc(sysconf(_SC_NPROCESSORS_CONF)); @@ -195,6 +200,15 @@ int main(int argc, const char *argv[]) get_cpu_info(0, &cpupower_cpu_info); run_as_root = !getuid(); + if (run_as_root) { + ret = uname(&uts); + if (!ret && !strcmp(uts.machine, "x86_64") && + stat("/dev/cpu/0/msr", &statbuf) != 0) { + if (system("modprobe msr") == -1) + fprintf(stderr, _("MSR access not available.\n")); + } + } + for (i = 0; i < ARRAY_SIZE(commands); i++) { struct cmd_struct *p = commands + i; diff --git a/tools/power/x86/turbostat/.gitignore b/tools/power/x86/turbostat/.gitignore new file mode 100644 index 00000000000..7521370d356 --- /dev/null +++ b/tools/power/x86/turbostat/.gitignore @@ -0,0 +1 @@ +turbostat diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile index f09641da40d..d1b3a361e52 100644 --- a/tools/power/x86/turbostat/Makefile +++ b/tools/power/x86/turbostat/Makefile @@ -5,7 +5,7 @@ DESTDIR := turbostat : turbostat.c CFLAGS += -Wall -CFLAGS += -I../../../../arch/x86/include/uapi/ +CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/uapi/asm/msr-index.h"' %: %.c @mkdir -p $(BUILD_OUTPUT) diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index b4ddb748356..56bfb523c5b 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -47,21 +47,22 @@ displays the statistics gathered since it was forked. .PP .SH FIELD DESCRIPTIONS .nf -\fBpk\fP processor package number. -\fBcor\fP processor core number. +\fBPackage\fP processor package number. +\fBCore\fP processor core number. \fBCPU\fP Linux CPU (logical processor) number. Note that multiple CPUs per core indicate support for Intel(R) Hyper-Threading Technology. -\fB%c0\fP percent of the interval that the CPU retired instructions. -\fBGHz\fP average clock rate while the CPU was in c0 state. -\fBTSC\fP average GHz that the TSC ran during the entire interval. -\fB%c1, %c3, %c6, %c7\fP show the percentage residency in hardware core idle states. -\fBCTMP\fP Degrees Celsius reported by the per-core Digital Thermal Sensor. -\fBPTMP\fP Degrees Celsius reported by the per-package Package Thermal Monitor. -\fB%pc2, %pc3, %pc6, %pc7\fP percentage residency in hardware package idle states. -\fBPkg_W\fP Watts consumed by the whole package. -\fBCor_W\fP Watts consumed by the core part of the package. -\fBGFX_W\fP Watts consumed by the Graphics part of the package -- available only on client processors. -\fBRAM_W\fP Watts consumed by the DRAM DIMMS -- available only on server processors. +\fBAVG_MHz\fP number of cycles executed divided by time elapsed. +\fB%Buzy\fP percent of the interval that the CPU retired instructions, aka. % of time in "C0" state. +\fBBzy_MHz\fP average clock rate while the CPU was busy (in "c0" state). +\fBTSC_MHz\fP average MHz that the TSC ran during the entire interval. +\fBCPU%c1, CPU%c3, CPU%c6, CPU%c7\fP show the percentage residency in hardware core idle states. +\fBCoreTmp\fP Degrees Celsius reported by the per-core Digital Thermal Sensor. +\fBPkgTtmp\fP Degrees Celsius reported by the per-package Package Thermal Monitor. +\fBPkg%pc2, Pkg%pc3, Pkg%pc6, Pkg%pc7\fP percentage residency in hardware package idle states. +\fBPkgWatt\fP Watts consumed by the whole package. +\fBCorWatt\fP Watts consumed by the core part of the package. +\fBGFXWatt\fP Watts consumed by the Graphics part of the package -- available only on client processors. +\fBRAMWatt\fP Watts consumed by the DRAM DIMMS -- available only on server processors. \fBPKG_%\fP percent of the interval that RAPL throttling was active on the Package. \fBRAM_%\fP percent of the interval that RAPL throttling was active on DRAM. .fi @@ -78,29 +79,17 @@ For Watts columns, the summary is a system total. Subsequent rows show per-CPU statistics. .nf -[root@sandy]# ./turbostat -cor CPU %c0 GHz TSC %c1 %c3 %c6 %c7 CTMP PTMP %pc2 %pc3 %pc6 %pc7 Pkg_W Cor_W GFX_W - 0.06 0.80 2.29 0.11 0.00 0.00 99.83 47 40 0.26 0.01 0.44 98.78 3.49 0.12 0.14 - 0 0 0.07 0.80 2.29 0.07 0.00 0.00 99.86 40 40 0.26 0.01 0.44 98.78 3.49 0.12 0.14 - 0 4 0.03 0.80 2.29 0.12 - 1 1 0.04 0.80 2.29 0.25 0.01 0.00 99.71 40 - 1 5 0.16 0.80 2.29 0.13 - 2 2 0.05 0.80 2.29 0.06 0.01 0.00 99.88 40 - 2 6 0.03 0.80 2.29 0.08 - 3 3 0.05 0.80 2.29 0.08 0.00 0.00 99.87 47 - 3 7 0.04 0.84 2.29 0.09 -.fi -.SH SUMMARY EXAMPLE -The "-s" option prints the column headers just once, -and then the one line system summary for each sample interval. - -.nf -[root@wsm]# turbostat -S - %c0 GHz TSC %c1 %c3 %c6 CTMP %pc3 %pc6 - 1.40 2.81 3.38 10.78 43.47 44.35 42 13.67 2.09 - 1.34 2.90 3.38 11.48 58.96 28.23 41 19.89 0.15 - 1.55 2.72 3.38 26.73 37.66 34.07 42 2.53 2.80 - 1.37 2.83 3.38 16.95 60.05 21.63 42 5.76 0.20 +[root@ivy]# ./turbostat + Core CPU Avg_MHz %Busy Bzy_MHz TSC_MHz SMI CPU%c1 CPU%c3 CPU%c6 CPU%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt + - - 6 0.36 1596 3492 0 0.59 0.01 99.04 0.00 23 24 23.82 0.01 72.47 0.00 6.40 1.01 0.00 + 0 0 9 0.58 1596 3492 0 0.28 0.01 99.13 0.00 23 24 23.82 0.01 72.47 0.00 6.40 1.01 0.00 + 0 4 1 0.07 1596 3492 0 0.79 + 1 1 10 0.65 1596 3492 0 0.59 0.00 98.76 0.00 23 + 1 5 5 0.28 1596 3492 0 0.95 + 2 2 10 0.66 1596 3492 0 0.41 0.01 98.92 0.00 23 + 2 6 2 0.10 1597 3492 0 0.97 + 3 3 3 0.20 1596 3492 0 0.44 0.00 99.37 0.00 23 + 3 7 5 0.31 1596 3492 0 0.33 .fi .SH VERBOSE EXAMPLE The "-v" option adds verbosity to the output: @@ -154,55 +143,35 @@ eg. Here a cycle soaker is run on 1 CPU (see %c0) for a few seconds until ^C while the other CPUs are mostly idle: .nf -[root@x980 lenb]# ./turbostat cat /dev/zero > /dev/null +root@ivy: turbostat cat /dev/zero > /dev/null ^C -cor CPU %c0 GHz TSC %c1 %c3 %c6 %pc3 %pc6 - 8.86 3.61 3.38 15.06 31.19 44.89 0.00 0.00 - 0 0 1.46 3.22 3.38 16.84 29.48 52.22 0.00 0.00 - 0 6 0.21 3.06 3.38 18.09 - 1 2 0.53 3.33 3.38 2.80 46.40 50.27 - 1 8 0.89 3.47 3.38 2.44 - 2 4 1.36 3.43 3.38 9.04 23.71 65.89 - 2 10 0.18 2.86 3.38 10.22 - 8 1 0.04 2.87 3.38 99.96 0.01 0.00 - 8 7 99.72 3.63 3.38 0.27 - 9 3 0.31 3.21 3.38 7.64 56.55 35.50 - 9 9 0.08 2.95 3.38 7.88 - 10 5 1.42 3.43 3.38 2.14 30.99 65.44 - 10 11 0.16 2.88 3.38 3.40 + Core CPU Avg_MHz %Busy Bzy_MHz TSC_MHz SMI CPU%c1 CPU%c3 CPU%c6 CPU%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt + - - 496 12.75 3886 3492 0 13.16 0.04 74.04 0.00 36 36 0.00 0.00 0.00 0.00 23.15 17.65 0.00 + 0 0 22 0.57 3830 3492 0 0.83 0.02 98.59 0.00 27 36 0.00 0.00 0.00 0.00 23.15 17.65 0.00 + 0 4 9 0.24 3829 3492 0 1.15 + 1 1 4 0.09 3783 3492 0 99.91 0.00 0.00 0.00 36 + 1 5 3880 99.82 3888 3492 0 0.18 + 2 2 17 0.44 3813 3492 0 0.77 0.04 98.75 0.00 28 + 2 6 12 0.32 3823 3492 0 0.89 + 3 3 16 0.43 3844 3492 0 0.63 0.11 98.84 0.00 30 + 3 7 4 0.11 3827 3492 0 0.94 +30.372243 sec + .fi -Above the cycle soaker drives cpu7 up its 3.6 GHz turbo limit +Above the cycle soaker drives cpu5 up its 3.8 GHz turbo limit while the other processors are generally in various states of idle. -Note that cpu1 and cpu7 are HT siblings within core8. -As cpu7 is very busy, it prevents its sibling, cpu1, +Note that cpu1 and cpu5 are HT siblings within core1. +As cpu5 is very busy, it prevents its sibling, cpu1, from entering a c-state deeper than c1. -Note that turbostat reports average GHz of 3.63, while -the arithmetic average of the GHz column above is lower. -This is a weighted average, where the weight is %c0. ie. it is the total number of -un-halted cycles elapsed per time divided by the number of CPUs. -.SH SMI COUNTING EXAMPLE -On Intel Nehalem and newer processors, MSR 0x34 is a System Management Mode Interrupt (SMI) counter. -This counter is shown by default under the "SMI" column. -.nf -[root@x980 ~]# turbostat -cor CPU %c0 GHz TSC SMI %c1 %c3 %c6 CTMP %pc3 %pc6 - 0.11 1.91 3.38 0 1.84 0.26 97.79 29 0.82 83.87 - 0 0 0.40 1.63 3.38 0 10.27 0.12 89.20 20 0.82 83.88 - 0 6 0.06 1.63 3.38 0 10.61 - 1 2 0.37 2.63 3.38 0 0.02 0.10 99.51 22 - 1 8 0.01 1.62 3.38 0 0.39 - 2 4 0.07 1.62 3.38 0 0.04 0.07 99.82 23 - 2 10 0.02 1.62 3.38 0 0.09 - 8 1 0.23 1.64 3.38 0 0.10 1.07 98.60 24 - 8 7 0.02 1.64 3.38 0 0.31 - 9 3 0.03 1.62 3.38 0 0.03 0.05 99.89 29 - 9 9 0.02 1.62 3.38 0 0.05 - 10 5 0.07 1.62 3.38 0 0.08 0.12 99.73 27 - 10 11 0.03 1.62 3.38 0 0.13 -^C -.fi +Note that the Avg_MHz column reflects the total number of cycles executed +divided by the measurement interval. If the %Busy column is 100%, +then the processor was running at that speed the entire interval. +The Avg_MHz multiplied by the %Busy results in the Bzy_MHz -- +which is the average frequency while the processor was executing -- +not including any non-busy idle time. + .SH NOTES .B "turbostat " diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 9d77f13c2d2..d0396af99fa 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -20,8 +20,10 @@ */ #define _GNU_SOURCE -#include <asm/msr.h> +#include MSRHEADER +#include <stdarg.h> #include <stdio.h> +#include <err.h> #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> @@ -35,13 +37,16 @@ #include <string.h> #include <ctype.h> #include <sched.h> +#include <cpuid.h> char *proc_stat = "/proc/stat"; unsigned int interval_sec = 5; /* set with -i interval_sec */ unsigned int verbose; /* set with -v */ unsigned int rapl_verbose; /* set with -R */ +unsigned int rapl_joules; /* set with -J */ unsigned int thermal_verbose; /* set with -T */ -unsigned int summary_only; /* set with -s */ +unsigned int summary_only; /* set with -S */ +unsigned int dump_only; /* set with -s */ unsigned int skip_c0; unsigned int skip_c1; unsigned int do_nhm_cstates; @@ -51,7 +56,7 @@ unsigned int do_slm_cstates; unsigned int use_c1_residency_msr; unsigned int has_aperf; unsigned int has_epb; -unsigned int units = 1000000000; /* Ghz etc */ +unsigned int units = 1000000; /* MHz etc */ unsigned int genuine_intel; unsigned int has_invariant_tsc; unsigned int do_nehalem_platform_info; @@ -77,14 +82,32 @@ unsigned int tcc_activation_temp_override; double rapl_power_units, rapl_energy_units, rapl_time_units; double rapl_joule_counter_range; -#define RAPL_PKG (1 << 0) -#define RAPL_CORES (1 << 1) -#define RAPL_GFX (1 << 2) -#define RAPL_DRAM (1 << 3) -#define RAPL_PKG_PERF_STATUS (1 << 4) -#define RAPL_DRAM_PERF_STATUS (1 << 5) -#define RAPL_PKG_POWER_INFO (1 << 6) -#define RAPL_CORE_POLICY (1 << 7) +#define RAPL_PKG (1 << 0) + /* 0x610 MSR_PKG_POWER_LIMIT */ + /* 0x611 MSR_PKG_ENERGY_STATUS */ +#define RAPL_PKG_PERF_STATUS (1 << 1) + /* 0x613 MSR_PKG_PERF_STATUS */ +#define RAPL_PKG_POWER_INFO (1 << 2) + /* 0x614 MSR_PKG_POWER_INFO */ + +#define RAPL_DRAM (1 << 3) + /* 0x618 MSR_DRAM_POWER_LIMIT */ + /* 0x619 MSR_DRAM_ENERGY_STATUS */ + /* 0x61c MSR_DRAM_POWER_INFO */ +#define RAPL_DRAM_PERF_STATUS (1 << 4) + /* 0x61b MSR_DRAM_PERF_STATUS */ + +#define RAPL_CORES (1 << 5) + /* 0x638 MSR_PP0_POWER_LIMIT */ + /* 0x639 MSR_PP0_ENERGY_STATUS */ +#define RAPL_CORE_POLICY (1 << 6) + /* 0x63a MSR_PP0_POLICY */ + + +#define RAPL_GFX (1 << 7) + /* 0x640 MSR_PP1_POWER_LIMIT */ + /* 0x641 MSR_PP1_ENERGY_STATUS */ + /* 0x642 MSR_PP1_POLICY */ #define TJMAX_DEFAULT 100 #define MAX(a, b) ((a) > (b) ? (a) : (b)) @@ -234,156 +257,170 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr) close(fd); if (retval != sizeof *msr) { - fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset); + fprintf(stderr, "%s offset 0x%llx read failed\n", pathname, (unsigned long long)offset); return -1; } return 0; } +/* + * Example Format w/ field column widths: + * + * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt + * 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 1234567 + */ + void print_header(void) { if (show_pkg) - outp += sprintf(outp, "pk"); - if (show_pkg) - outp += sprintf(outp, " "); + outp += sprintf(outp, "Package "); if (show_core) - outp += sprintf(outp, "cor"); + outp += sprintf(outp, " Core "); if (show_cpu) - outp += sprintf(outp, " CPU"); - if (show_pkg || show_core || show_cpu) - outp += sprintf(outp, " "); + outp += sprintf(outp, " CPU "); + if (has_aperf) + outp += sprintf(outp, "Avg_MHz "); if (do_nhm_cstates) - outp += sprintf(outp, " %%c0"); + outp += sprintf(outp, " %%Busy "); if (has_aperf) - outp += sprintf(outp, " GHz"); - outp += sprintf(outp, " TSC"); + outp += sprintf(outp, "Bzy_MHz "); + outp += sprintf(outp, "TSC_MHz "); if (do_smi) - outp += sprintf(outp, " SMI"); + outp += sprintf(outp, " SMI "); if (extra_delta_offset32) - outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); + outp += sprintf(outp, " count 0x%03X ", extra_delta_offset32); if (extra_delta_offset64) - outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); + outp += sprintf(outp, " COUNT 0x%03X ", extra_delta_offset64); if (extra_msr_offset32) - outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); + outp += sprintf(outp, " MSR 0x%03X ", extra_msr_offset32); if (extra_msr_offset64) - outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); + outp += sprintf(outp, " MSR 0x%03X ", extra_msr_offset64); if (do_nhm_cstates) - outp += sprintf(outp, " %%c1"); + outp += sprintf(outp, " CPU%%c1 "); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, " %%c3"); + outp += sprintf(outp, " CPU%%c3 "); if (do_nhm_cstates) - outp += sprintf(outp, " %%c6"); + outp += sprintf(outp, " CPU%%c6 "); if (do_snb_cstates) - outp += sprintf(outp, " %%c7"); + outp += sprintf(outp, " CPU%%c7 "); if (do_dts) - outp += sprintf(outp, " CTMP"); + outp += sprintf(outp, "CoreTmp "); if (do_ptm) - outp += sprintf(outp, " PTMP"); + outp += sprintf(outp, " PkgTmp "); if (do_snb_cstates) - outp += sprintf(outp, " %%pc2"); + outp += sprintf(outp, "Pkg%%pc2 "); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, " %%pc3"); + outp += sprintf(outp, "Pkg%%pc3 "); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, " %%pc6"); + outp += sprintf(outp, "Pkg%%pc6 "); if (do_snb_cstates) - outp += sprintf(outp, " %%pc7"); + outp += sprintf(outp, "Pkg%%pc7 "); if (do_c8_c9_c10) { - outp += sprintf(outp, " %%pc8"); - outp += sprintf(outp, " %%pc9"); - outp += sprintf(outp, " %%pc10"); - } - - if (do_rapl & RAPL_PKG) - outp += sprintf(outp, " Pkg_W"); - if (do_rapl & RAPL_CORES) - outp += sprintf(outp, " Cor_W"); - if (do_rapl & RAPL_GFX) - outp += sprintf(outp, " GFX_W"); - if (do_rapl & RAPL_DRAM) - outp += sprintf(outp, " RAM_W"); - if (do_rapl & RAPL_PKG_PERF_STATUS) - outp += sprintf(outp, " PKG_%%"); - if (do_rapl & RAPL_DRAM_PERF_STATUS) - outp += sprintf(outp, " RAM_%%"); + outp += sprintf(outp, "Pkg%%pc8 "); + outp += sprintf(outp, "Pkg%%pc9 "); + outp += sprintf(outp, "Pk%%pc10 "); + } + + if (do_rapl && !rapl_joules) { + if (do_rapl & RAPL_PKG) + outp += sprintf(outp, "PkgWatt "); + if (do_rapl & RAPL_CORES) + outp += sprintf(outp, "CorWatt "); + if (do_rapl & RAPL_GFX) + outp += sprintf(outp, "GFXWatt "); + if (do_rapl & RAPL_DRAM) + outp += sprintf(outp, "RAMWatt "); + if (do_rapl & RAPL_PKG_PERF_STATUS) + outp += sprintf(outp, " PKG_%% "); + if (do_rapl & RAPL_DRAM_PERF_STATUS) + outp += sprintf(outp, " RAM_%% "); + } else { + if (do_rapl & RAPL_PKG) + outp += sprintf(outp, " Pkg_J "); + if (do_rapl & RAPL_CORES) + outp += sprintf(outp, " Cor_J "); + if (do_rapl & RAPL_GFX) + outp += sprintf(outp, " GFX_J "); + if (do_rapl & RAPL_DRAM) + outp += sprintf(outp, " RAM_W "); + if (do_rapl & RAPL_PKG_PERF_STATUS) + outp += sprintf(outp, " PKG_%% "); + if (do_rapl & RAPL_DRAM_PERF_STATUS) + outp += sprintf(outp, " RAM_%% "); + outp += sprintf(outp, " time "); + } outp += sprintf(outp, "\n"); } int dump_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) { - fprintf(stderr, "t %p, c %p, p %p\n", t, c, p); + outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); if (t) { - fprintf(stderr, "CPU: %d flags 0x%x\n", t->cpu_id, t->flags); - fprintf(stderr, "TSC: %016llX\n", t->tsc); - fprintf(stderr, "aperf: %016llX\n", t->aperf); - fprintf(stderr, "mperf: %016llX\n", t->mperf); - fprintf(stderr, "c1: %016llX\n", t->c1); - fprintf(stderr, "msr0x%x: %08llX\n", + outp += sprintf(outp, "CPU: %d flags 0x%x\n", + t->cpu_id, t->flags); + outp += sprintf(outp, "TSC: %016llX\n", t->tsc); + outp += sprintf(outp, "aperf: %016llX\n", t->aperf); + outp += sprintf(outp, "mperf: %016llX\n", t->mperf); + outp += sprintf(outp, "c1: %016llX\n", t->c1); + outp += sprintf(outp, "msr0x%x: %08llX\n", extra_delta_offset32, t->extra_delta32); - fprintf(stderr, "msr0x%x: %016llX\n", + outp += sprintf(outp, "msr0x%x: %016llX\n", extra_delta_offset64, t->extra_delta64); - fprintf(stderr, "msr0x%x: %08llX\n", + outp += sprintf(outp, "msr0x%x: %08llX\n", extra_msr_offset32, t->extra_msr32); - fprintf(stderr, "msr0x%x: %016llX\n", + outp += sprintf(outp, "msr0x%x: %016llX\n", extra_msr_offset64, t->extra_msr64); if (do_smi) - fprintf(stderr, "SMI: %08X\n", t->smi_count); + outp += sprintf(outp, "SMI: %08X\n", t->smi_count); } if (c) { - fprintf(stderr, "core: %d\n", c->core_id); - fprintf(stderr, "c3: %016llX\n", c->c3); - fprintf(stderr, "c6: %016llX\n", c->c6); - fprintf(stderr, "c7: %016llX\n", c->c7); - fprintf(stderr, "DTS: %dC\n", c->core_temp_c); + outp += sprintf(outp, "core: %d\n", c->core_id); + outp += sprintf(outp, "c3: %016llX\n", c->c3); + outp += sprintf(outp, "c6: %016llX\n", c->c6); + outp += sprintf(outp, "c7: %016llX\n", c->c7); + outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); } if (p) { - fprintf(stderr, "package: %d\n", p->package_id); - fprintf(stderr, "pc2: %016llX\n", p->pc2); - fprintf(stderr, "pc3: %016llX\n", p->pc3); - fprintf(stderr, "pc6: %016llX\n", p->pc6); - fprintf(stderr, "pc7: %016llX\n", p->pc7); - fprintf(stderr, "pc8: %016llX\n", p->pc8); - fprintf(stderr, "pc9: %016llX\n", p->pc9); - fprintf(stderr, "pc10: %016llX\n", p->pc10); - fprintf(stderr, "Joules PKG: %0X\n", p->energy_pkg); - fprintf(stderr, "Joules COR: %0X\n", p->energy_cores); - fprintf(stderr, "Joules GFX: %0X\n", p->energy_gfx); - fprintf(stderr, "Joules RAM: %0X\n", p->energy_dram); - fprintf(stderr, "Throttle PKG: %0X\n", p->rapl_pkg_perf_status); - fprintf(stderr, "Throttle RAM: %0X\n", p->rapl_dram_perf_status); - fprintf(stderr, "PTM: %dC\n", p->pkg_temp_c); + outp += sprintf(outp, "package: %d\n", p->package_id); + outp += sprintf(outp, "pc2: %016llX\n", p->pc2); + outp += sprintf(outp, "pc3: %016llX\n", p->pc3); + outp += sprintf(outp, "pc6: %016llX\n", p->pc6); + outp += sprintf(outp, "pc7: %016llX\n", p->pc7); + outp += sprintf(outp, "pc8: %016llX\n", p->pc8); + outp += sprintf(outp, "pc9: %016llX\n", p->pc9); + outp += sprintf(outp, "pc10: %016llX\n", p->pc10); + outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); + outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); + outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); + outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); + outp += sprintf(outp, "Throttle PKG: %0X\n", + p->rapl_pkg_perf_status); + outp += sprintf(outp, "Throttle RAM: %0X\n", + p->rapl_dram_perf_status); + outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); } + + outp += sprintf(outp, "\n"); + return 0; } /* * column formatting convention & formats - * package: "pk" 2 columns %2d - * core: "cor" 3 columns %3d - * CPU: "CPU" 3 columns %3d - * Pkg_W: %6.2 - * Cor_W: %6.2 - * GFX_W: %5.2 - * RAM_W: %5.2 - * GHz: "GHz" 3 columns %3.2 - * TSC: "TSC" 3 columns %3.2 - * SMI: "SMI" 4 columns %4d - * percentage " %pc3" %6.2 - * Perf Status percentage: %5.2 - * "CTMP" 4 columns %4d */ int format_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) { double interval_float; - char *fmt5, *fmt6; + char *fmt8; /* if showing only 1st thread in core and this isn't one, bail out */ if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) @@ -398,65 +435,52 @@ int format_counters(struct thread_data *t, struct core_data *c, /* topo columns, print blanks on 1st (average) line */ if (t == &average.threads) { if (show_pkg) - outp += sprintf(outp, " "); - if (show_pkg && show_core) - outp += sprintf(outp, " "); + outp += sprintf(outp, " -"); if (show_core) - outp += sprintf(outp, " "); + outp += sprintf(outp, " -"); if (show_cpu) - outp += sprintf(outp, " " " "); + outp += sprintf(outp, " -"); } else { if (show_pkg) { if (p) - outp += sprintf(outp, "%2d", p->package_id); + outp += sprintf(outp, "%8d", p->package_id); else - outp += sprintf(outp, " "); + outp += sprintf(outp, " -"); } - if (show_pkg && show_core) - outp += sprintf(outp, " "); if (show_core) { if (c) - outp += sprintf(outp, "%3d", c->core_id); + outp += sprintf(outp, "%8d", c->core_id); else - outp += sprintf(outp, " "); + outp += sprintf(outp, " -"); } if (show_cpu) - outp += sprintf(outp, " %3d", t->cpu_id); + outp += sprintf(outp, "%8d", t->cpu_id); } + + /* AvgMHz */ + if (has_aperf) + outp += sprintf(outp, "%8.0f", + 1.0 / units * t->aperf / interval_float); + /* %c0 */ if (do_nhm_cstates) { - if (show_pkg || show_core || show_cpu) - outp += sprintf(outp, " "); if (!skip_c0) - outp += sprintf(outp, "%6.2f", 100.0 * t->mperf/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc); else - outp += sprintf(outp, " ****"); + outp += sprintf(outp, "********"); } - /* GHz */ - if (has_aperf) { - if (!aperf_mperf_unstable) { - outp += sprintf(outp, " %3.2f", - 1.0 * t->tsc / units * t->aperf / - t->mperf / interval_float); - } else { - if (t->aperf > t->tsc || t->mperf > t->tsc) { - outp += sprintf(outp, " ***"); - } else { - outp += sprintf(outp, "%3.1f*", - 1.0 * t->tsc / - units * t->aperf / - t->mperf / interval_float); - } - } - } + /* BzyMHz */ + if (has_aperf) + outp += sprintf(outp, "%8.0f", + 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); /* TSC */ - outp += sprintf(outp, "%5.2f", 1.0 * t->tsc/units/interval_float); + outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); /* SMI */ if (do_smi) - outp += sprintf(outp, "%4d", t->smi_count); + outp += sprintf(outp, "%8d", t->smi_count); /* delta */ if (extra_delta_offset32) @@ -475,9 +499,9 @@ int format_counters(struct thread_data *t, struct core_data *c, if (do_nhm_cstates) { if (!skip_c1) - outp += sprintf(outp, " %6.2f", 100.0 * t->c1/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); else - outp += sprintf(outp, " ****"); + outp += sprintf(outp, "********"); } /* print per-core data only for 1st thread in core */ @@ -485,61 +509,78 @@ int format_counters(struct thread_data *t, struct core_data *c, goto done; if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, " %6.2f", 100.0 * c->c3/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); if (do_nhm_cstates) - outp += sprintf(outp, " %6.2f", 100.0 * c->c6/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); if (do_snb_cstates) - outp += sprintf(outp, " %6.2f", 100.0 * c->c7/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); if (do_dts) - outp += sprintf(outp, " %4d", c->core_temp_c); + outp += sprintf(outp, "%8d", c->core_temp_c); /* print per-package data only for 1st core in package */ if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) goto done; if (do_ptm) - outp += sprintf(outp, " %4d", p->pkg_temp_c); + outp += sprintf(outp, "%8d", p->pkg_temp_c); if (do_snb_cstates) - outp += sprintf(outp, " %6.2f", 100.0 * p->pc2/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, " %6.2f", 100.0 * p->pc3/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); if (do_nhm_cstates && !do_slm_cstates) - outp += sprintf(outp, " %6.2f", 100.0 * p->pc6/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); if (do_snb_cstates) - outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); if (do_c8_c9_c10) { - outp += sprintf(outp, " %6.2f", 100.0 * p->pc8/t->tsc); - outp += sprintf(outp, " %6.2f", 100.0 * p->pc9/t->tsc); - outp += sprintf(outp, " %6.2f", 100.0 * p->pc10/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); + outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); } /* * If measurement interval exceeds minimum RAPL Joule Counter range, * indicate that results are suspect by printing "**" in fraction place. */ - if (interval_float < rapl_joule_counter_range) { - fmt5 = " %5.2f"; - fmt6 = " %6.2f"; + if (interval_float < rapl_joule_counter_range) + fmt8 = "%8.2f"; + else + fmt8 = " %6.0f**"; + + if (do_rapl && !rapl_joules) { + if (do_rapl & RAPL_PKG) + outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); + if (do_rapl & RAPL_CORES) + outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); + if (do_rapl & RAPL_GFX) + outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); + if (do_rapl & RAPL_DRAM) + outp += sprintf(outp, fmt8, p->energy_dram * rapl_energy_units / interval_float); + if (do_rapl & RAPL_PKG_PERF_STATUS) + outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); + if (do_rapl & RAPL_DRAM_PERF_STATUS) + outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); } else { - fmt5 = " %3.0f**"; - fmt6 = " %4.0f**"; - } - - if (do_rapl & RAPL_PKG) - outp += sprintf(outp, fmt6, p->energy_pkg * rapl_energy_units / interval_float); - if (do_rapl & RAPL_CORES) - outp += sprintf(outp, fmt6, p->energy_cores * rapl_energy_units / interval_float); - if (do_rapl & RAPL_GFX) - outp += sprintf(outp, fmt5, p->energy_gfx * rapl_energy_units / interval_float); - if (do_rapl & RAPL_DRAM) - outp += sprintf(outp, fmt5, p->energy_dram * rapl_energy_units / interval_float); - if (do_rapl & RAPL_PKG_PERF_STATUS ) - outp += sprintf(outp, fmt5, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); - if (do_rapl & RAPL_DRAM_PERF_STATUS ) - outp += sprintf(outp, fmt5, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); + if (do_rapl & RAPL_PKG) + outp += sprintf(outp, fmt8, + p->energy_pkg * rapl_energy_units); + if (do_rapl & RAPL_CORES) + outp += sprintf(outp, fmt8, + p->energy_cores * rapl_energy_units); + if (do_rapl & RAPL_GFX) + outp += sprintf(outp, fmt8, + p->energy_gfx * rapl_energy_units); + if (do_rapl & RAPL_DRAM) + outp += sprintf(outp, fmt8, + p->energy_dram * rapl_energy_units); + if (do_rapl & RAPL_PKG_PERF_STATUS) + outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); + if (do_rapl & RAPL_DRAM_PERF_STATUS) + outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); + outp += sprintf(outp, fmt8, interval_float); + } done: outp += sprintf(outp, "\n"); @@ -622,12 +663,10 @@ delta_thread(struct thread_data *new, struct thread_data *old, old->tsc = new->tsc - old->tsc; /* check for TSC < 1 Mcycles over interval */ - if (old->tsc < (1000 * 1000)) { - fprintf(stderr, "Insanely slow TSC rate, TSC stops in idle?\n"); - fprintf(stderr, "You can disable all c-states by booting with \"idle=poll\"\n"); - fprintf(stderr, "or just the deep ones with \"processor.max_cstate=1\"\n"); - exit(-3); - } + if (old->tsc < (1000 * 1000)) + errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" + "You can disable all c-states by booting with \"idle=poll\"\n" + "or just the deep ones with \"processor.max_cstate=1\""); old->c1 = new->c1 - old->c1; @@ -1173,24 +1212,43 @@ void free_all_buffers(void) } /* + * Open a file, and exit on failure + */ +FILE *fopen_or_die(const char *path, const char *mode) +{ + FILE *filep = fopen(path, "r"); + if (!filep) + err(1, "%s: open failed", path); + return filep; +} + +/* + * Parse a file containing a single int. + */ +int parse_int_file(const char *fmt, ...) +{ + va_list args; + char path[PATH_MAX]; + FILE *filep; + int value; + + va_start(args, fmt); + vsnprintf(path, sizeof(path), fmt, args); + va_end(args); + filep = fopen_or_die(path, "r"); + if (fscanf(filep, "%d", &value) != 1) + err(1, "%s: failed to parse number from file", path); + fclose(filep); + return value; +} + +/* * cpu_is_first_sibling_in_core(cpu) * return 1 if given CPU is 1st HT sibling in the core */ int cpu_is_first_sibling_in_core(int cpu) { - char path[64]; - FILE *filep; - int first_cpu; - - sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); - filep = fopen(path, "r"); - if (filep == NULL) { - perror(path); - exit(1); - } - fscanf(filep, "%d", &first_cpu); - fclose(filep); - return (cpu == first_cpu); + return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); } /* @@ -1199,53 +1257,17 @@ int cpu_is_first_sibling_in_core(int cpu) */ int cpu_is_first_core_in_package(int cpu) { - char path[64]; - FILE *filep; - int first_cpu; - - sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); - filep = fopen(path, "r"); - if (filep == NULL) { - perror(path); - exit(1); - } - fscanf(filep, "%d", &first_cpu); - fclose(filep); - return (cpu == first_cpu); + return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); } int get_physical_package_id(int cpu) { - char path[80]; - FILE *filep; - int pkg; - - sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); - filep = fopen(path, "r"); - if (filep == NULL) { - perror(path); - exit(1); - } - fscanf(filep, "%d", &pkg); - fclose(filep); - return pkg; + return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); } int get_core_id(int cpu) { - char path[80]; - FILE *filep; - int core; - - sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); - filep = fopen(path, "r"); - if (filep == NULL) { - perror(path); - exit(1); - } - fscanf(filep, "%d", &core); - fclose(filep); - return core; + return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); } int get_num_ht_siblings(int cpu) @@ -1257,11 +1279,7 @@ int get_num_ht_siblings(int cpu) char character; sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); - filep = fopen(path, "r"); - if (filep == NULL) { - perror(path); - exit(1); - } + filep = fopen_or_die(path, "r"); /* * file format: * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4) @@ -1331,17 +1349,11 @@ int for_all_proc_cpus(int (func)(int)) int cpu_num; int retval; - fp = fopen(proc_stat, "r"); - if (fp == NULL) { - perror(proc_stat); - exit(1); - } + fp = fopen_or_die(proc_stat, "r"); retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); - if (retval != 0) { - perror("/proc/stat format"); - exit(1); - } + if (retval != 0) + err(1, "%s: failed to parse format", proc_stat); while (1) { retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); @@ -1445,19 +1457,15 @@ void check_dev_msr() { struct stat sb; - if (stat("/dev/cpu/0/msr", &sb)) { - fprintf(stderr, "no /dev/cpu/0/msr\n"); - fprintf(stderr, "Try \"# modprobe msr\"\n"); - exit(-5); - } + if (stat("/dev/cpu/0/msr", &sb)) + err(-5, "no /dev/cpu/0/msr\n" + "Try \"# modprobe msr\""); } void check_super_user() { - if (getuid() != 0) { - fprintf(stderr, "must be root\n"); - exit(-6); - } + if (getuid() != 0) + errx(-6, "must be root"); } int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model) @@ -1479,11 +1487,14 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model) case 0x3A: /* IVB */ case 0x3E: /* IVB Xeon */ case 0x3C: /* HSW */ - case 0x3F: /* HSW */ + case 0x3F: /* HSX */ case 0x45: /* HSW */ case 0x46: /* HSW */ case 0x37: /* BYT */ case 0x4D: /* AVN */ + case 0x3D: /* BDW */ + case 0x4F: /* BDX */ + case 0x56: /* BDX-DE */ return 1; case 0x2E: /* Nehalem-EX Xeon - Beckton */ case 0x2F: /* Westmere-EX Xeon - Eagleton */ @@ -1595,11 +1606,16 @@ void rapl_probe(unsigned int family, unsigned int model) case 0x2A: case 0x3A: case 0x3C: /* HSW */ - case 0x3F: /* HSW */ case 0x45: /* HSW */ case 0x46: /* HSW */ + case 0x3D: /* BDW */ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; break; + case 0x3F: /* HSX */ + case 0x4F: /* BDX */ + case 0x56: /* BDX-DE */ + do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; + break; case 0x2D: case 0x3E: do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; @@ -1841,6 +1857,9 @@ int is_snb(unsigned int family, unsigned int model) case 0x3F: /* HSW */ case 0x45: /* HSW */ case 0x46: /* HSW */ + case 0x3D: /* BDW */ + case 0x4F: /* BDX */ + case 0x56: /* BDX-DE */ return 1; } return 0; @@ -1852,7 +1871,8 @@ int has_c8_c9_c10(unsigned int family, unsigned int model) return 0; switch (model) { - case 0x45: + case 0x45: /* HSW */ + case 0x3D: /* BDW */ return 1; } return 0; @@ -1951,13 +1971,13 @@ int set_temperature_target(struct thread_data *t, struct core_data *c, struct pk if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr)) goto guess; - target_c_local = (msr >> 16) & 0x7F; + target_c_local = (msr >> 16) & 0xFF; if (verbose) fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", cpu, msr, target_c_local); - if (target_c_local < 85 || target_c_local > 127) + if (!target_c_local) goto guess; tcc_activation_temp = target_c_local; @@ -1978,7 +1998,7 @@ void check_cpuid() eax = ebx = ecx = edx = 0; - asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0)); + __get_cpuid(0, &max_level, &ebx, &ecx, &edx); if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) genuine_intel = 1; @@ -1987,7 +2007,7 @@ void check_cpuid() fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ", (char *)&ebx, (char *)&edx, (char *)&ecx); - asm("cpuid" : "=a" (fms), "=c" (ecx), "=d" (edx) : "a" (1) : "ebx"); + __get_cpuid(1, &fms, &ebx, &ecx, &edx); family = (fms >> 8) & 0xf; model = (fms >> 4) & 0xf; stepping = fms & 0xf; @@ -1998,10 +2018,8 @@ void check_cpuid() fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", max_level, family, model, stepping, family, model, stepping); - if (!(edx & (1 << 5))) { - fprintf(stderr, "CPUID: no MSR\n"); - exit(1); - } + if (!(edx & (1 << 5))) + errx(1, "CPUID: no MSR"); /* * check max extended function levels of CPUID. @@ -2009,31 +2027,27 @@ void check_cpuid() * This check is valid for both Intel and AMD. */ ebx = ecx = edx = 0; - asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000000)); + __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx); - if (max_level < 0x80000007) { - fprintf(stderr, "CPUID: no invariant TSC (max_level 0x%x)\n", max_level); - exit(1); - } + if (max_level < 0x80000007) + errx(1, "CPUID: no invariant TSC (max_level 0x%x)", max_level); /* * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 * this check is valid for both Intel and AMD */ - asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007)); + __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); has_invariant_tsc = edx & (1 << 8); - if (!has_invariant_tsc) { - fprintf(stderr, "No invariant TSC\n"); - exit(1); - } + if (!has_invariant_tsc) + errx(1, "No invariant TSC"); /* * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 * this check is valid for both Intel and AMD */ - asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6)); + __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); has_aperf = ecx & (1 << 0); do_dts = eax & (1 << 0); do_ptm = eax & (1 << 6); @@ -2047,7 +2061,7 @@ void check_cpuid() has_epb ? ", EPB": ""); if (!has_aperf) - exit(-1); + errx(-1, "No APERF"); do_nehalem_platform_info = genuine_intel && has_invariant_tsc; do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */ @@ -2067,9 +2081,8 @@ void check_cpuid() void usage() { - fprintf(stderr, "%s: [-v][-R][-T][-p|-P|-S][-c MSR# | -s]][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n", - progname); - exit(1); + errx(1, "%s: [-v][-R][-T][-p|-P|-S][-c MSR#][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n", + progname); } @@ -2112,19 +2125,15 @@ void topology_probe() fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); - if (cpus == NULL) { - perror("calloc cpus"); - exit(1); - } + if (cpus == NULL) + err(1, "calloc cpus"); /* * Allocate and initialize cpu_present_set */ cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); - if (cpu_present_set == NULL) { - perror("CPU_ALLOC"); - exit(3); - } + if (cpu_present_set == NULL) + err(3, "CPU_ALLOC"); cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); CPU_ZERO_S(cpu_present_setsize, cpu_present_set); for_all_proc_cpus(mark_cpu_present); @@ -2133,10 +2142,8 @@ void topology_probe() * Allocate and initialize cpu_affinity_set */ cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); - if (cpu_affinity_set == NULL) { - perror("CPU_ALLOC"); - exit(3); - } + if (cpu_affinity_set == NULL) + err(3, "CPU_ALLOC"); cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); @@ -2220,8 +2227,7 @@ allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data return; error: - perror("calloc counters"); - exit(1); + err(1, "calloc counters"); } /* * init_counter() @@ -2276,12 +2282,10 @@ int initialize_counters(int cpu_id) void allocate_output_buffer() { - output_buffer = calloc(1, (1 + topo.num_cpus) * 256); + output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); outp = output_buffer; - if (outp == NULL) { - perror("calloc"); - exit(-1); - } + if (outp == NULL) + err(-1, "calloc output buffer"); } void setup_all_buffers(void) @@ -2292,6 +2296,7 @@ void setup_all_buffers(void) allocate_output_buffer(); for_all_proc_cpus(initialize_counters); } + void turbostat_init() { check_cpuid(); @@ -2335,17 +2340,13 @@ int fork_it(char **argv) } else { /* parent */ - if (child_pid == -1) { - perror("fork"); - exit(1); - } + if (child_pid == -1) + err(1, "fork"); signal(SIGINT, SIG_IGN); signal(SIGQUIT, SIG_IGN); - if (waitpid(child_pid, &status, 0) == -1) { - perror("wait"); - exit(status); - } + if (waitpid(child_pid, &status, 0) == -1) + err(status, "waitpid"); } /* * n.b. fork_it() does not check for errors from for_all_cpus() @@ -2364,13 +2365,30 @@ int fork_it(char **argv) return status; } +int get_and_dump_counters(void) +{ + int status; + + status = for_all_cpus(get_counters, ODD_COUNTERS); + if (status) + return status; + + status = for_all_cpus(dump_counters, ODD_COUNTERS); + if (status) + return status; + + flush_stdout(); + + return status; +} + void cmdline(int argc, char **argv) { int opt; progname = argv[0]; - while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:RT:")) != -1) { + while ((opt = getopt(argc, argv, "+pPsSvi:c:C:m:M:RJT:")) != -1) { switch (opt) { case 'p': show_core_only++; @@ -2378,6 +2396,9 @@ void cmdline(int argc, char **argv) case 'P': show_pkg_only++; break; + case 's': + dump_only++; + break; case 'S': summary_only++; break; @@ -2405,6 +2426,10 @@ void cmdline(int argc, char **argv) case 'T': tcc_activation_temp_override = atoi(optarg); break; + case 'J': + rapl_joules++; + break; + default: usage(); } @@ -2416,11 +2441,15 @@ int main(int argc, char **argv) cmdline(argc, argv); if (verbose) - fprintf(stderr, "turbostat v3.5 April 26, 2013" + fprintf(stderr, "turbostat v3.7 Feb 6, 2014" " - Len Brown <lenb@kernel.org>\n"); turbostat_init(); + /* dump counters and exit */ + if (dump_only) + return get_and_dump_counters(); + /* * if any params left, it must be a command to fork */ diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include index ee76544deec..8abbef164b4 100644 --- a/tools/scripts/Makefile.include +++ b/tools/scripts/Makefile.include @@ -61,6 +61,7 @@ QUIET_SUBDIR1 = ifneq ($(findstring $(MAKEFLAGS),s),s) ifneq ($(V),1) QUIET_CC = @echo ' CC '$@; + QUIET_CC_FPIC = @echo ' CC FPIC '$@; QUIET_AR = @echo ' AR '$@; QUIET_LINK = @echo ' LINK '$@; QUIET_MKDIR = @echo ' MKDIR '$@; @@ -76,5 +77,8 @@ ifneq ($(findstring $(MAKEFLAGS),s),s) +@echo ' DESCEND '$(1); \ mkdir -p $(OUTPUT)$(1) && \ $(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2) + + QUIET_CLEAN = @printf ' CLEAN %s\n' $1; + QUIET_INSTALL = @printf ' INSTALL %s\n' $1; endif endif diff --git a/tools/testing/ktest/examples/kvm.conf b/tools/testing/ktest/examples/kvm.conf index 831c7c5395f..fbc134f9ac6 100644 --- a/tools/testing/ktest/examples/kvm.conf +++ b/tools/testing/ktest/examples/kvm.conf @@ -10,6 +10,10 @@ MACHINE = Guest # Use virsh to read the serial console of the guest CONSOLE = virsh console ${MACHINE} +# Use SIGKILL to terminate virsh console. We can't kill virsh console +# by the default signal, SIGINT. +CLOSE_CONSOLE_SIGNAL = KILL + #*************************************# # This part is the same as test.conf # #*************************************# diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index 999eab1bc64..40631569a0f 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -18,6 +18,7 @@ $| = 1; my %opt; my %repeat_tests; my %repeats; +my %evals; #default opts my %default = ( @@ -25,6 +26,7 @@ my %default = ( "TEST_TYPE" => "build", "BUILD_TYPE" => "randconfig", "MAKE_CMD" => "make", + "CLOSE_CONSOLE_SIGNAL" => "INT", "TIMEOUT" => 120, "TMP_DIR" => "/tmp/ktest/\${MACHINE}", "SLEEP_TIME" => 60, # sleep time between tests @@ -39,6 +41,7 @@ my %default = ( "CLEAR_LOG" => 0, "BISECT_MANUAL" => 0, "BISECT_SKIP" => 1, + "BISECT_TRIES" => 1, "MIN_CONFIG_TYPE" => "boot", "SUCCESS_LINE" => "login:", "DETECT_TRIPLE_FAULT" => 1, @@ -137,6 +140,7 @@ my $bisect_bad_commit = ""; my $reverse_bisect; my $bisect_manual; my $bisect_skip; +my $bisect_tries; my $config_bisect_good; my $bisect_ret_good; my $bisect_ret_bad; @@ -163,6 +167,7 @@ my $timeout; my $booted_timeout; my $detect_triplefault; my $console; +my $close_console_signal; my $reboot_success_line; my $success_line; my $stop_after_success; @@ -273,6 +278,7 @@ my %option_map = ( "IGNORE_ERRORS" => \$ignore_errors, "BISECT_MANUAL" => \$bisect_manual, "BISECT_SKIP" => \$bisect_skip, + "BISECT_TRIES" => \$bisect_tries, "CONFIG_BISECT_GOOD" => \$config_bisect_good, "BISECT_RET_GOOD" => \$bisect_ret_good, "BISECT_RET_BAD" => \$bisect_ret_bad, @@ -285,6 +291,7 @@ my %option_map = ( "TIMEOUT" => \$timeout, "BOOTED_TIMEOUT" => \$booted_timeout, "CONSOLE" => \$console, + "CLOSE_CONSOLE_SIGNAL" => \$close_console_signal, "DETECT_TRIPLE_FAULT" => \$detect_triplefault, "SUCCESS_LINE" => \$success_line, "REBOOT_SUCCESS_LINE" => \$reboot_success_line, @@ -445,6 +452,27 @@ $config_help{"REBOOT_SCRIPT"} = << "EOF" EOF ; +sub _logit { + if (defined($opt{"LOG_FILE"})) { + open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}"; + print OUT @_; + close(OUT); + } +} + +sub logit { + if (defined($opt{"LOG_FILE"})) { + _logit @_; + } else { + print @_; + } +} + +sub doprint { + print @_; + _logit @_; +} + sub read_prompt { my ($cancel, $prompt) = @_; @@ -662,6 +690,22 @@ sub set_value { } } +sub set_eval { + my ($lvalue, $rvalue, $name) = @_; + + my $prvalue = process_variables($rvalue); + my $arr; + + if (defined($evals{$lvalue})) { + $arr = $evals{$lvalue}; + } else { + $arr = []; + $evals{$lvalue} = $arr; + } + + push @{$arr}, $rvalue; +} + sub set_variable { my ($lvalue, $rvalue) = @_; @@ -947,6 +991,20 @@ sub __read_config { $test_case = 1; } + } elsif (/^\s*([A-Z_\[\]\d]+)\s*=~\s*(.*?)\s*$/) { + + next if ($skip); + + my $lvalue = $1; + my $rvalue = $2; + + if ($default || $lvalue =~ /\[\d+\]$/) { + set_eval($lvalue, $rvalue, $name); + } else { + my $val = "$lvalue\[$test_num\]"; + set_eval($val, $rvalue, $name); + } + } elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) { next if ($skip); @@ -1126,6 +1184,10 @@ sub __eval_option { } elsif (defined($opt{$var})) { $o = $opt{$var}; $retval = "$retval$o"; + } elsif ($var eq "KERNEL_VERSION" && defined($make)) { + # special option KERNEL_VERSION uses kernel version + get_version(); + $retval = "$retval$version"; } else { $retval = "$retval\$\{$var\}"; } @@ -1140,6 +1202,33 @@ sub __eval_option { return $retval; } +sub process_evals { + my ($name, $option, $i) = @_; + + my $option_name = "$name\[$i\]"; + my $ev; + + my $old_option = $option; + + if (defined($evals{$option_name})) { + $ev = $evals{$option_name}; + } elsif (defined($evals{$name})) { + $ev = $evals{$name}; + } else { + return $option; + } + + for my $e (@{$ev}) { + eval "\$option =~ $e"; + } + + if ($option ne $old_option) { + doprint("$name changed from '$old_option' to '$option'\n"); + } + + return $option; +} + sub eval_option { my ($name, $option, $i) = @_; @@ -1160,28 +1249,9 @@ sub eval_option { $option = __eval_option($name, $option, $i); } - return $option; -} + $option = process_evals($name, $option, $i); -sub _logit { - if (defined($opt{"LOG_FILE"})) { - open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}"; - print OUT @_; - close(OUT); - } -} - -sub logit { - if (defined($opt{"LOG_FILE"})) { - _logit @_; - } else { - print @_; - } -} - -sub doprint { - print @_; - _logit @_; + return $option; } sub run_command; @@ -1296,7 +1366,7 @@ sub close_console { my ($fp, $pid) = @_; doprint "kill child process $pid\n"; - kill 2, $pid; + kill $close_console_signal, $pid; print "closing!\n"; close($fp); @@ -2517,12 +2587,29 @@ sub run_bisect { $buildtype = "useconfig:$minconfig"; } - my $ret = run_bisect_test $type, $buildtype; + # If the user sets bisect_tries to less than 1, then no tries + # is a success. + my $ret = 1; - if ($bisect_manual) { + # Still let the user manually decide that though. + if ($bisect_tries < 1 && $bisect_manual) { $ret = answer_bisect; } + for (my $i = 0; $i < $bisect_tries; $i++) { + if ($bisect_tries > 1) { + my $t = $i + 1; + doprint("Running bisect trial $t of $bisect_tries:\n"); + } + $ret = run_bisect_test $type, $buildtype; + + if ($bisect_manual) { + $ret = answer_bisect; + } + + last if (!$ret); + } + # Are we looking for where it worked, not failed? if ($reverse_bisect && $ret >= 0) { $ret = !$ret; @@ -3916,6 +4003,18 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) { my $makecmd = set_test_option("MAKE_CMD", $i); + $outputdir = set_test_option("OUTPUT_DIR", $i); + $builddir = set_test_option("BUILD_DIR", $i); + + chdir $builddir || die "can't change directory to $builddir"; + + if (!-d $outputdir) { + mkpath($outputdir) or + die "can't create $outputdir"; + } + + $make = "$makecmd O=$outputdir"; + # Load all the options into their mapped variable names foreach my $opt (keys %option_map) { ${$option_map{$opt}} = set_test_option($opt, $i); @@ -3940,13 +4039,9 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) { $start_minconfig = $minconfig; } - chdir $builddir || die "can't change directory to $builddir"; - - foreach my $dir ($tmpdir, $outputdir) { - if (!-d $dir) { - mkpath($dir) or - die "can't create $dir"; - } + if (!-d $tmpdir) { + mkpath($tmpdir) or + die "can't create $tmpdir"; } $ENV{"SSH_USER"} = $ssh_user; @@ -3955,7 +4050,6 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) { $buildlog = "$tmpdir/buildlog-$machine"; $testlog = "$tmpdir/testlog-$machine"; $dmesg = "$tmpdir/dmesg-$machine"; - $make = "$makecmd O=$outputdir"; $output_config = "$outputdir/.config"; if (!$buildonly) { diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf index 0a290fb4cd5..172eec4517f 100644 --- a/tools/testing/ktest/sample.conf +++ b/tools/testing/ktest/sample.conf @@ -328,6 +328,13 @@ # For a virtual machine with guest name "Guest". #CONSOLE = virsh console Guest +# Signal to send to kill console. +# ktest.pl will create a child process to monitor the console. +# When the console is finished, ktest will kill the child process +# with this signal. +# (default INT) +#CLOSE_CONSOLE_SIGNAL = HUP + # Required version ending to differentiate the test # from other linux builds on the system. #LOCALVERSION = -test @@ -1021,6 +1028,20 @@ # BISECT_BAD with BISECT_CHECK = good or # BISECT_CHECK = bad, respectively. # +# BISECT_TRIES = 5 (optional, default 1) +# +# For those cases that it takes several tries to hit a bug, +# the BISECT_TRIES is useful. It is the number of times the +# test is ran before it says the kernel is good. The first failure +# will stop trying and mark the current SHA1 as bad. +# +# Note, as with all race bugs, there's no guarantee that if +# it succeeds, it is really a good bisect. But it helps in case +# the bug is some what reliable. +# +# You can set BISECT_TRIES to zero, and all tests will be considered +# good, unless you also set BISECT_MANUAL. +# # BISECT_RET_GOOD = 0 (optional, default undefined) # # In case the specificed test returns something other than just diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 9f3eae29090..e66e710cc59 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -9,6 +9,8 @@ TARGETS += ptrace TARGETS += timers TARGETS += vm TARGETS += powerpc +TARGETS += user +TARGETS += sysctl all: for TARGET in $(TARGETS); do \ diff --git a/tools/testing/selftests/cpu-hotplug/Makefile b/tools/testing/selftests/cpu-hotplug/Makefile index ae5faf9aade..790c23a9db4 100644 --- a/tools/testing/selftests/cpu-hotplug/Makefile +++ b/tools/testing/selftests/cpu-hotplug/Makefile @@ -1,6 +1,6 @@ all: run_tests: - @/bin/sh ./on-off-test.sh || echo "cpu-hotplug selftests: [FAIL]" + @/bin/bash ./on-off-test.sh || echo "cpu-hotplug selftests: [FAIL]" clean: diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c index d66418237d2..552f0810bff 100644 --- a/tools/testing/selftests/ipc/msgque.c +++ b/tools/testing/selftests/ipc/msgque.c @@ -193,6 +193,11 @@ int main(int argc, char **argv) int msg, pid, err; struct msgque_data msgque; + if (getuid() != 0) { + printf("Please run the test as root - Exiting.\n"); + exit(1); + } + msgque.key = ftok(argv[0], 822155650); if (msgque.key == -1) { printf("Can't make key\n"); @@ -201,6 +206,7 @@ int main(int argc, char **argv) msgque.msq_id = msgget(msgque.key, IPC_CREAT | IPC_EXCL | 0666); if (msgque.msq_id == -1) { + err = -errno; printf("Can't create queue\n"); goto err_out; } diff --git a/tools/testing/selftests/memory-hotplug/Makefile b/tools/testing/selftests/memory-hotplug/Makefile index 350bfeda3aa..058c76f5d10 100644 --- a/tools/testing/selftests/memory-hotplug/Makefile +++ b/tools/testing/selftests/memory-hotplug/Makefile @@ -1,6 +1,6 @@ all: run_tests: - @/bin/sh ./on-off-test.sh || echo "memory-hotplug selftests: [FAIL]" + @/bin/bash ./on-off-test.sh || echo "memory-hotplug selftests: [FAIL]" clean: diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 750512ba2c8..c7493b8f9b0 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -14,6 +14,12 @@ all: $(NET_PROGS) run_tests: all @/bin/sh ./run_netsocktests || echo "sockettests: [FAIL]" @/bin/sh ./run_afpackettests || echo "afpackettests: [FAIL]" - + @if /sbin/modprobe test_bpf ; then \ + /sbin/rmmod test_bpf; \ + echo "test_bpf: ok"; \ + else \ + echo "test_bpf: [FAIL]"; \ + exit 1; \ + fi clean: $(RM) $(NET_PROGS) diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile index bd24ae5aaea..54833a791a4 100644 --- a/tools/testing/selftests/powerpc/Makefile +++ b/tools/testing/selftests/powerpc/Makefile @@ -13,7 +13,7 @@ CFLAGS := -Wall -O2 -flto -Wall -Werror -DGIT_VERSION='"$(GIT_VERSION)"' -I$(CUR export CC CFLAGS -TARGETS = pmu +TARGETS = pmu copyloops mm tm endif diff --git a/tools/testing/selftests/powerpc/copyloops/Makefile b/tools/testing/selftests/powerpc/copyloops/Makefile new file mode 100644 index 00000000000..6f2d3be227f --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/Makefile @@ -0,0 +1,29 @@ +# The loops are all 64-bit code +CFLAGS += -m64 +CFLAGS += -I$(CURDIR) +CFLAGS += -D SELFTEST + +# Use our CFLAGS for the implicit .S rule +ASFLAGS = $(CFLAGS) + +PROGS := copyuser_64 copyuser_power7 memcpy_64 memcpy_power7 +EXTRA_SOURCES := validate.c ../harness.c + +all: $(PROGS) + +copyuser_64: CPPFLAGS += -D COPY_LOOP=test___copy_tofrom_user_base +copyuser_power7: CPPFLAGS += -D COPY_LOOP=test___copy_tofrom_user_power7 +memcpy_64: CPPFLAGS += -D COPY_LOOP=test_memcpy +memcpy_power7: CPPFLAGS += -D COPY_LOOP=test_memcpy_power7 + +$(PROGS): $(EXTRA_SOURCES) + +run_tests: all + @-for PROG in $(PROGS); do \ + ./$$PROG; \ + done; + +clean: + rm -f $(PROGS) *.o + +.PHONY: all run_tests clean diff --git a/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h new file mode 100644 index 00000000000..d1dc3742551 --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/asm/ppc_asm.h @@ -0,0 +1,89 @@ +#include <ppc-asm.h> + +#define CONFIG_ALTIVEC + +#define r1 1 + +#define vr0 0 +#define vr1 1 +#define vr2 2 +#define vr3 3 +#define vr4 4 +#define vr5 5 +#define vr6 6 +#define vr7 7 +#define vr8 8 +#define vr9 9 +#define vr10 10 +#define vr11 11 +#define vr12 12 +#define vr13 13 +#define vr14 14 +#define vr15 15 +#define vr16 16 +#define vr17 17 +#define vr18 18 +#define vr19 19 +#define vr20 20 +#define vr21 21 +#define vr22 22 +#define vr23 23 +#define vr24 24 +#define vr25 25 +#define vr26 26 +#define vr27 27 +#define vr28 28 +#define vr29 29 +#define vr30 30 +#define vr31 31 + +#define R14 r14 +#define R15 r15 +#define R16 r16 +#define R17 r17 +#define R18 r18 +#define R19 r19 +#define R20 r20 +#define R21 r21 +#define R22 r22 +#define R29 r29 +#define R30 r30 +#define R31 r31 + +#define STACKFRAMESIZE 256 +#define STK_REG(i) (112 + ((i)-14)*8) + +#define _GLOBAL(A) FUNC_START(test_ ## A) +#define _GLOBAL_TOC(A) _GLOBAL(A) + +#define PPC_MTOCRF(A, B) mtocrf A, B + +FUNC_START(enter_vmx_usercopy) + li r3,1 + blr + +FUNC_START(exit_vmx_usercopy) + li r3,0 + blr + +FUNC_START(enter_vmx_copy) + li r3,1 + blr + +FUNC_START(exit_vmx_copy) + blr + +FUNC_START(memcpy_power7) + blr + +FUNC_START(__copy_tofrom_user_power7) + blr + +FUNC_START(__copy_tofrom_user_base) + blr + +#define BEGIN_FTR_SECTION +#define FTR_SECTION_ELSE +#define ALT_FTR_SECTION_END_IFCLR(x) +#define ALT_FTR_SECTION_END(x, y) +#define END_FTR_SECTION_IFCLR(x) diff --git a/tools/testing/selftests/powerpc/copyloops/asm/processor.h b/tools/testing/selftests/powerpc/copyloops/asm/processor.h new file mode 100644 index 00000000000..e69de29bb2d --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/asm/processor.h diff --git a/tools/testing/selftests/powerpc/copyloops/copyuser_64.S b/tools/testing/selftests/powerpc/copyloops/copyuser_64.S new file mode 120000 index 00000000000..f1c418a2521 --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/copyuser_64.S @@ -0,0 +1 @@ +../../../../../arch/powerpc/lib/copyuser_64.S
\ No newline at end of file diff --git a/tools/testing/selftests/powerpc/copyloops/copyuser_power7.S b/tools/testing/selftests/powerpc/copyloops/copyuser_power7.S new file mode 120000 index 00000000000..47868959829 --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/copyuser_power7.S @@ -0,0 +1 @@ +../../../../../arch/powerpc/lib/copyuser_power7.S
\ No newline at end of file diff --git a/tools/testing/selftests/powerpc/copyloops/memcpy_64.S b/tools/testing/selftests/powerpc/copyloops/memcpy_64.S new file mode 120000 index 00000000000..cce33fb6f9d --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/memcpy_64.S @@ -0,0 +1 @@ +../../../../../arch/powerpc/lib/memcpy_64.S
\ No newline at end of file diff --git a/tools/testing/selftests/powerpc/copyloops/memcpy_power7.S b/tools/testing/selftests/powerpc/copyloops/memcpy_power7.S new file mode 120000 index 00000000000..0d6fbfaf3d5 --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/memcpy_power7.S @@ -0,0 +1 @@ +../../../../../arch/powerpc/lib/memcpy_power7.S
\ No newline at end of file diff --git a/tools/testing/selftests/powerpc/copyloops/validate.c b/tools/testing/selftests/powerpc/copyloops/validate.c new file mode 100644 index 00000000000..1750ff57ee5 --- /dev/null +++ b/tools/testing/selftests/powerpc/copyloops/validate.c @@ -0,0 +1,99 @@ +#include <malloc.h> +#include <string.h> +#include <stdlib.h> +#include <stdbool.h> + +#include "../utils.h" + +#define MAX_LEN 8192 +#define MAX_OFFSET 16 +#define MIN_REDZONE 128 +#define BUFLEN (MAX_LEN+MAX_OFFSET+2*MIN_REDZONE) +#define POISON 0xa5 + +unsigned long COPY_LOOP(void *to, const void *from, unsigned long size); + +static void do_one(char *src, char *dst, unsigned long src_off, + unsigned long dst_off, unsigned long len, void *redzone, + void *fill) +{ + char *srcp, *dstp; + unsigned long ret; + unsigned long i; + + srcp = src + MIN_REDZONE + src_off; + dstp = dst + MIN_REDZONE + dst_off; + + memset(src, POISON, BUFLEN); + memset(dst, POISON, BUFLEN); + memcpy(srcp, fill, len); + + ret = COPY_LOOP(dstp, srcp, len); + if (ret && ret != (unsigned long)dstp) { + printf("(%p,%p,%ld) returned %ld\n", dstp, srcp, len, ret); + abort(); + } + + if (memcmp(dstp, srcp, len)) { + printf("(%p,%p,%ld) miscompare\n", dstp, srcp, len); + printf("src: "); + for (i = 0; i < len; i++) + printf("%02x ", srcp[i]); + printf("\ndst: "); + for (i = 0; i < len; i++) + printf("%02x ", dstp[i]); + printf("\n"); + abort(); + } + + if (memcmp(dst, redzone, dstp - dst)) { + printf("(%p,%p,%ld) redzone before corrupted\n", + dstp, srcp, len); + abort(); + } + + if (memcmp(dstp+len, redzone, dst+BUFLEN-(dstp+len))) { + printf("(%p,%p,%ld) redzone after corrupted\n", + dstp, srcp, len); + abort(); + } +} + +int test_copy_loop(void) +{ + char *src, *dst, *redzone, *fill; + unsigned long len, src_off, dst_off; + unsigned long i; + + src = memalign(BUFLEN, BUFLEN); + dst = memalign(BUFLEN, BUFLEN); + redzone = malloc(BUFLEN); + fill = malloc(BUFLEN); + + if (!src || !dst || !redzone || !fill) { + fprintf(stderr, "malloc failed\n"); + exit(1); + } + + memset(redzone, POISON, BUFLEN); + + /* Fill with sequential bytes */ + for (i = 0; i < BUFLEN; i++) + fill[i] = i & 0xff; + + for (len = 1; len < MAX_LEN; len++) { + for (src_off = 0; src_off < MAX_OFFSET; src_off++) { + for (dst_off = 0; dst_off < MAX_OFFSET; dst_off++) { + do_one(src, dst, src_off, dst_off, len, + redzone, fill); + } + } + } + + return 0; +} + +int main(void) +{ + return test_harness(test_copy_loop, str(COPY_LOOP)); +} diff --git a/tools/testing/selftests/powerpc/harness.c b/tools/testing/selftests/powerpc/harness.c index e80c42a584f..8ebc58a0931 100644 --- a/tools/testing/selftests/powerpc/harness.c +++ b/tools/testing/selftests/powerpc/harness.c @@ -30,12 +30,15 @@ int run_test(int (test_function)(void), char *name) pid = fork(); if (pid == 0) { + setpgid(0, 0); exit(test_function()); } else if (pid == -1) { perror("fork"); return 1; } + setpgid(pid, pid); + /* Wake us up in timeout seconds */ alarm(TIMEOUT); terminated = false; @@ -50,17 +53,20 @@ wait: if (terminated) { printf("!! force killing %s\n", name); - kill(pid, SIGKILL); + kill(-pid, SIGKILL); return 1; } else { printf("!! killing %s\n", name); - kill(pid, SIGTERM); + kill(-pid, SIGTERM); terminated = true; alarm(KILL_TIMEOUT); goto wait; } } + /* Kill anything else in the process group that is still running */ + kill(-pid, SIGTERM); + if (WIFEXITED(status)) status = WEXITSTATUS(status); else { @@ -99,7 +105,10 @@ int test_harness(int (test_function)(void), char *name) rc = run_test(test_function, name); - test_finish(name, rc); + if (rc == MAGIC_SKIP_RETURN_VALUE) + test_skip(name); + else + test_finish(name, rc); return rc; } diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile new file mode 100644 index 00000000000..357ccbd6bad --- /dev/null +++ b/tools/testing/selftests/powerpc/mm/Makefile @@ -0,0 +1,18 @@ +noarg: + $(MAKE) -C ../ + +PROGS := hugetlb_vs_thp_test + +all: $(PROGS) + +$(PROGS): ../harness.c + +run_tests: all + @-for PROG in $(PROGS); do \ + ./$$PROG; \ + done; + +clean: + rm -f $(PROGS) + +.PHONY: all run_tests clean diff --git a/tools/testing/selftests/powerpc/mm/hugetlb_vs_thp_test.c b/tools/testing/selftests/powerpc/mm/hugetlb_vs_thp_test.c new file mode 100644 index 00000000000..3d8e5b033e1 --- /dev/null +++ b/tools/testing/selftests/powerpc/mm/hugetlb_vs_thp_test.c @@ -0,0 +1,72 @@ +#include <stdio.h> +#include <sys/mman.h> +#include <unistd.h> + +#include "utils.h" + +/* This must match the huge page & THP size */ +#define SIZE (16 * 1024 * 1024) + +static int test_body(void) +{ + void *addr; + char *p; + + addr = (void *)0xa0000000; + + p = mmap(addr, SIZE, PROT_READ | PROT_WRITE, + MAP_HUGETLB | MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + if (p != MAP_FAILED) { + /* + * Typically the mmap will fail because no huge pages are + * allocated on the system. But if there are huge pages + * allocated the mmap will succeed. That's fine too, we just + * munmap here before continuing. + */ + munmap(addr, SIZE); + } + + p = mmap(addr, SIZE, PROT_READ | PROT_WRITE, + MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + if (p == MAP_FAILED) { + printf("Mapping failed @ %p\n", addr); + perror("mmap"); + return 1; + } + + /* + * Either a user or kernel access is sufficient to trigger the bug. + * A kernel access is easier to spot & debug, as it will trigger the + * softlockup or RCU stall detectors, and when the system is kicked + * into xmon we get a backtrace in the kernel. + * + * A good option is: + * getcwd(p, SIZE); + * + * For the purposes of this testcase it's preferable to spin in + * userspace, so the harness can kill us if we get stuck. That way we + * see a test failure rather than a dead system. + */ + *p = 0xf; + + munmap(addr, SIZE); + + return 0; +} + +static int test_main(void) +{ + int i; + + /* 10,000 because it's a "bunch", and completes reasonably quickly */ + for (i = 0; i < 10000; i++) + if (test_body()) + return 1; + + return 0; +} + +int main(void) +{ + return test_harness(test_main, "hugetlb_vs_thp"); +} diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile index 7216f009165..b9ff0db42c7 100644 --- a/tools/testing/selftests/powerpc/pmu/Makefile +++ b/tools/testing/selftests/powerpc/pmu/Makefile @@ -4,7 +4,7 @@ noarg: PROGS := count_instructions EXTRA_SOURCES := ../harness.c event.c -all: $(PROGS) +all: $(PROGS) sub_all $(PROGS): $(EXTRA_SOURCES) @@ -12,12 +12,30 @@ $(PROGS): $(EXTRA_SOURCES) count_instructions: loop.S count_instructions.c $(EXTRA_SOURCES) $(CC) $(CFLAGS) -m64 -o $@ $^ -run_tests: all +run_tests: all sub_run_tests @-for PROG in $(PROGS); do \ ./$$PROG; \ done; -clean: +clean: sub_clean rm -f $(PROGS) loop.o -.PHONY: all run_tests clean + +SUB_TARGETS = ebb + +sub_all: + @for TARGET in $(SUB_TARGETS); do \ + $(MAKE) -C $$TARGET all; \ + done; + +sub_run_tests: all + @for TARGET in $(SUB_TARGETS); do \ + $(MAKE) -C $$TARGET run_tests; \ + done; + +sub_clean: + @for TARGET in $(SUB_TARGETS); do \ + $(MAKE) -C $$TARGET clean; \ + done; + +.PHONY: all run_tests clean sub_all sub_run_tests sub_clean diff --git a/tools/testing/selftests/powerpc/pmu/ebb/Makefile b/tools/testing/selftests/powerpc/pmu/ebb/Makefile new file mode 100644 index 00000000000..edbba2affc2 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/Makefile @@ -0,0 +1,32 @@ +noarg: + $(MAKE) -C ../../ + +# The EBB handler is 64-bit code and everything links against it +CFLAGS += -m64 + +PROGS := reg_access_test event_attributes_test cycles_test \ + cycles_with_freeze_test pmc56_overflow_test \ + ebb_vs_cpu_event_test cpu_event_vs_ebb_test \ + cpu_event_pinned_vs_ebb_test task_event_vs_ebb_test \ + task_event_pinned_vs_ebb_test multi_ebb_procs_test \ + multi_counter_test pmae_handling_test \ + close_clears_pmcc_test instruction_count_test \ + fork_cleanup_test ebb_on_child_test \ + ebb_on_willing_child_test back_to_back_ebbs_test \ + lost_exception_test no_handler_test + +all: $(PROGS) + +$(PROGS): ../../harness.c ../event.c ../lib.c ebb.c ebb_handler.S trace.c + +instruction_count_test: ../loop.S + +lost_exception_test: ../lib.c + +run_tests: all + @-for PROG in $(PROGS); do \ + ./$$PROG; \ + done; + +clean: + rm -f $(PROGS) diff --git a/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c b/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c new file mode 100644 index 00000000000..66ea765c0e7 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c @@ -0,0 +1,106 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> + +#include "ebb.h" + + +#define NUMBER_OF_EBBS 50 + +/* + * Test that if we overflow the counter while in the EBB handler, we take + * another EBB on exiting from the handler. + * + * We do this by counting with a stupidly low sample period, causing us to + * overflow the PMU while we're still in the EBB handler, leading to another + * EBB. + * + * We get out of what would otherwise be an infinite loop by leaving the + * counter frozen once we've taken enough EBBs. + */ + +static void ebb_callee(void) +{ + uint64_t siar, val; + + val = mfspr(SPRN_BESCR); + if (!(val & BESCR_PMEO)) { + ebb_state.stats.spurious++; + goto out; + } + + ebb_state.stats.ebb_count++; + trace_log_counter(ebb_state.trace, ebb_state.stats.ebb_count); + + /* Resets the PMC */ + count_pmc(1, sample_period); + +out: + if (ebb_state.stats.ebb_count == NUMBER_OF_EBBS) + /* Reset but leave counters frozen */ + reset_ebb_with_clear_mask(MMCR0_PMAO); + else + /* Unfreezes */ + reset_ebb(); + + /* Do some stuff to chew some cycles and pop the counter */ + siar = mfspr(SPRN_SIAR); + trace_log_reg(ebb_state.trace, SPRN_SIAR, siar); + + val = mfspr(SPRN_PMC1); + trace_log_reg(ebb_state.trace, SPRN_PMC1, val); + + val = mfspr(SPRN_MMCR0); + trace_log_reg(ebb_state.trace, SPRN_MMCR0, val); +} + +int back_to_back_ebbs(void) +{ + struct event event; + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + setup_ebb_handler(ebb_callee); + + FAIL_IF(ebb_event_enable(&event)); + + sample_period = 5; + + ebb_freeze_pmcs(); + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + ebb_global_enable(); + ebb_unfreeze_pmcs(); + + while (ebb_state.stats.ebb_count < NUMBER_OF_EBBS) + FAIL_IF(core_busy_loop()); + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + + dump_ebb_state(); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count != NUMBER_OF_EBBS); + + return 0; +} + +int main(void) +{ + return test_harness(back_to_back_ebbs, "back_to_back_ebbs"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c b/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c new file mode 100644 index 00000000000..0f0423dba18 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/close_clears_pmcc_test.c @@ -0,0 +1,59 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <setjmp.h> +#include <signal.h> + +#include "ebb.h" + + +/* + * Test that closing the EBB event clears MMCR0_PMCC, preventing further access + * by userspace to the PMU hardware. + */ + +int close_clears_pmcc(void) +{ + struct event event; + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + FAIL_IF(event_open(&event)); + + ebb_enable_pmc_counting(1); + setup_ebb_handler(standard_ebb_callee); + ebb_global_enable(); + FAIL_IF(ebb_event_enable(&event)); + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + while (ebb_state.stats.ebb_count < 1) + FAIL_IF(core_busy_loop()); + + ebb_global_disable(); + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + + /* The real test is here, do we take a SIGILL when writing PMU regs now + * that we have closed the event. We expect that we will. */ + + FAIL_IF(catch_sigill(write_pmc1)); + + /* We should still be able to read EBB regs though */ + mfspr(SPRN_EBBHR); + mfspr(SPRN_EBBRR); + mfspr(SPRN_BESCR); + + return 0; +} + +int main(void) +{ + return test_harness(close_clears_pmcc, "close_clears_pmcc"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c new file mode 100644 index 00000000000..d3ed64d5d6c --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_pinned_vs_ebb_test.c @@ -0,0 +1,93 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "ebb.h" + + +/* + * Tests a pinned cpu event vs an EBB - in that order. The pinned cpu event + * should remain and the EBB event should fail to enable. + */ + +static int setup_cpu_event(struct event *event, int cpu) +{ + event_init_named(event, 0x400FA, "PM_RUN_INST_CMPL"); + + event->attr.pinned = 1; + + event->attr.exclude_kernel = 1; + event->attr.exclude_hv = 1; + event->attr.exclude_idle = 1; + + SKIP_IF(require_paranoia_below(1)); + FAIL_IF(event_open_with_cpu(event, cpu)); + FAIL_IF(event_enable(event)); + + return 0; +} + +int cpu_event_pinned_vs_ebb(void) +{ + union pipe read_pipe, write_pipe; + struct event event; + int cpu, rc; + pid_t pid; + + cpu = pick_online_cpu(); + FAIL_IF(cpu < 0); + FAIL_IF(bind_to_cpu(cpu)); + + FAIL_IF(pipe(read_pipe.fds) == -1); + FAIL_IF(pipe(write_pipe.fds) == -1); + + pid = fork(); + if (pid == 0) { + /* NB order of pipes looks reversed */ + exit(ebb_child(write_pipe, read_pipe)); + } + + /* We setup the cpu event first */ + rc = setup_cpu_event(&event, cpu); + if (rc) { + kill_child_and_wait(pid); + return rc; + } + + /* Signal the child to install its EBB event and wait */ + if (sync_with_child(read_pipe, write_pipe)) + /* If it fails, wait for it to exit */ + goto wait; + + /* Signal the child to run */ + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + +wait: + /* We expect it to fail to read the event */ + FAIL_IF(wait_for_child(pid) != 2); + + FAIL_IF(event_disable(&event)); + FAIL_IF(event_read(&event)); + + event_report(&event); + + /* The cpu event should have run */ + FAIL_IF(event.result.value == 0); + FAIL_IF(event.result.enabled != event.result.running); + + return 0; +} + +int main(void) +{ + return test_harness(cpu_event_pinned_vs_ebb, "cpu_event_pinned_vs_ebb"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c new file mode 100644 index 00000000000..8b972c2aa39 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/cpu_event_vs_ebb_test.c @@ -0,0 +1,89 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "ebb.h" + + +/* + * Tests a cpu event vs an EBB - in that order. The EBB should force the cpu + * event off the PMU. + */ + +static int setup_cpu_event(struct event *event, int cpu) +{ + event_init_named(event, 0x400FA, "PM_RUN_INST_CMPL"); + + event->attr.exclude_kernel = 1; + event->attr.exclude_hv = 1; + event->attr.exclude_idle = 1; + + SKIP_IF(require_paranoia_below(1)); + FAIL_IF(event_open_with_cpu(event, cpu)); + FAIL_IF(event_enable(event)); + + return 0; +} + +int cpu_event_vs_ebb(void) +{ + union pipe read_pipe, write_pipe; + struct event event; + int cpu, rc; + pid_t pid; + + cpu = pick_online_cpu(); + FAIL_IF(cpu < 0); + FAIL_IF(bind_to_cpu(cpu)); + + FAIL_IF(pipe(read_pipe.fds) == -1); + FAIL_IF(pipe(write_pipe.fds) == -1); + + pid = fork(); + if (pid == 0) { + /* NB order of pipes looks reversed */ + exit(ebb_child(write_pipe, read_pipe)); + } + + /* We setup the cpu event first */ + rc = setup_cpu_event(&event, cpu); + if (rc) { + kill_child_and_wait(pid); + return rc; + } + + /* Signal the child to install its EBB event and wait */ + if (sync_with_child(read_pipe, write_pipe)) + /* If it fails, wait for it to exit */ + goto wait; + + /* Signal the child to run */ + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + +wait: + /* We expect the child to succeed */ + FAIL_IF(wait_for_child(pid)); + + FAIL_IF(event_disable(&event)); + FAIL_IF(event_read(&event)); + + event_report(&event); + + /* The cpu event may have run */ + + return 0; +} + +int main(void) +{ + return test_harness(cpu_event_vs_ebb, "cpu_event_vs_ebb"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c new file mode 100644 index 00000000000..8590fc1bfc0 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c @@ -0,0 +1,58 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> + +#include "ebb.h" + + +/* + * Basic test that counts user cycles and takes EBBs. + */ +int cycles(void) +{ + struct event event; + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + ebb_enable_pmc_counting(1); + setup_ebb_handler(standard_ebb_callee); + ebb_global_enable(); + FAIL_IF(ebb_event_enable(&event)); + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + while (ebb_state.stats.ebb_count < 10) { + FAIL_IF(core_busy_loop()); + FAIL_IF(ebb_check_mmcr0()); + } + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + + dump_ebb_state(); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + FAIL_IF(!ebb_check_count(1, sample_period, 100)); + + return 0; +} + +int main(void) +{ + return test_harness(cycles, "cycles"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c new file mode 100644 index 00000000000..754b3f2008d --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c @@ -0,0 +1,117 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> + +#include "ebb.h" + + +/* + * Test of counting cycles while using MMCR0_FC (freeze counters) to only count + * parts of the code. This is complicated by the fact that FC is set by the + * hardware when the event overflows. We may take the EBB after we have set FC, + * so we have to be careful about whether we clear FC at the end of the EBB + * handler or not. + */ + +static bool counters_frozen = false; +static int ebbs_while_frozen = 0; + +static void ebb_callee(void) +{ + uint64_t mask, val; + + mask = MMCR0_PMAO | MMCR0_FC; + + val = mfspr(SPRN_BESCR); + if (!(val & BESCR_PMEO)) { + ebb_state.stats.spurious++; + goto out; + } + + ebb_state.stats.ebb_count++; + trace_log_counter(ebb_state.trace, ebb_state.stats.ebb_count); + + val = mfspr(SPRN_MMCR0); + trace_log_reg(ebb_state.trace, SPRN_MMCR0, val); + + if (counters_frozen) { + trace_log_string(ebb_state.trace, "frozen"); + ebbs_while_frozen++; + mask &= ~MMCR0_FC; + } + + count_pmc(1, sample_period); +out: + reset_ebb_with_clear_mask(mask); +} + +int cycles_with_freeze(void) +{ + struct event event; + uint64_t val; + bool fc_cleared; + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + setup_ebb_handler(ebb_callee); + ebb_global_enable(); + FAIL_IF(ebb_event_enable(&event)); + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + fc_cleared = false; + + /* Make sure we loop until we take at least one EBB */ + while ((ebb_state.stats.ebb_count < 20 && !fc_cleared) || + ebb_state.stats.ebb_count < 1) + { + counters_frozen = false; + mb(); + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_FC); + + FAIL_IF(core_busy_loop()); + + counters_frozen = true; + mb(); + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) | MMCR0_FC); + + val = mfspr(SPRN_MMCR0); + if (! (val & MMCR0_FC)) { + printf("Outside of loop, FC NOT set MMCR0 0x%lx\n", val); + fc_cleared = true; + } + } + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + + dump_ebb_state(); + + printf("EBBs while frozen %d\n", ebbs_while_frozen); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + FAIL_IF(fc_cleared); + + return 0; +} + +int main(void) +{ + return test_harness(cycles_with_freeze, "cycles_with_freeze"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c new file mode 100644 index 00000000000..1b46be94b64 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c @@ -0,0 +1,727 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#define _GNU_SOURCE /* For CPU_ZERO etc. */ + +#include <sched.h> +#include <sys/wait.h> +#include <setjmp.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> + +#include "trace.h" +#include "reg.h" +#include "ebb.h" + + +void (*ebb_user_func)(void); + +void ebb_hook(void) +{ + if (ebb_user_func) + ebb_user_func(); +} + +struct ebb_state ebb_state; + +u64 sample_period = 0x40000000ull; + +void reset_ebb_with_clear_mask(unsigned long mmcr0_clear_mask) +{ + u64 val; + + /* 2) clear MMCR0[PMAO] - docs say BESCR[PMEO] should do this */ + /* 3) set MMCR0[PMAE] - docs say BESCR[PME] should do this */ + val = mfspr(SPRN_MMCR0); + mtspr(SPRN_MMCR0, (val & ~mmcr0_clear_mask) | MMCR0_PMAE); + + /* 4) clear BESCR[PMEO] */ + mtspr(SPRN_BESCRR, BESCR_PMEO); + + /* 5) set BESCR[PME] */ + mtspr(SPRN_BESCRS, BESCR_PME); + + /* 6) rfebb 1 - done in our caller */ +} + +void reset_ebb(void) +{ + reset_ebb_with_clear_mask(MMCR0_PMAO | MMCR0_FC); +} + +/* Called outside of the EBB handler to check MMCR0 is sane */ +int ebb_check_mmcr0(void) +{ + u64 val; + + val = mfspr(SPRN_MMCR0); + if ((val & (MMCR0_FC | MMCR0_PMAO)) == MMCR0_FC) { + /* It's OK if we see FC & PMAO, but not FC by itself */ + printf("Outside of loop, only FC set 0x%llx\n", val); + return 1; + } + + return 0; +} + +bool ebb_check_count(int pmc, u64 sample_period, int fudge) +{ + u64 count, upper, lower; + + count = ebb_state.stats.pmc_count[PMC_INDEX(pmc)]; + + lower = ebb_state.stats.ebb_count * (sample_period - fudge); + + if (count < lower) { + printf("PMC%d count (0x%llx) below lower limit 0x%llx (-0x%llx)\n", + pmc, count, lower, lower - count); + return false; + } + + upper = ebb_state.stats.ebb_count * (sample_period + fudge); + + if (count > upper) { + printf("PMC%d count (0x%llx) above upper limit 0x%llx (+0x%llx)\n", + pmc, count, upper, count - upper); + return false; + } + + printf("PMC%d count (0x%llx) is between 0x%llx and 0x%llx delta +0x%llx/-0x%llx\n", + pmc, count, lower, upper, count - lower, upper - count); + + return true; +} + +void standard_ebb_callee(void) +{ + int found, i; + u64 val; + + val = mfspr(SPRN_BESCR); + if (!(val & BESCR_PMEO)) { + ebb_state.stats.spurious++; + goto out; + } + + ebb_state.stats.ebb_count++; + trace_log_counter(ebb_state.trace, ebb_state.stats.ebb_count); + + val = mfspr(SPRN_MMCR0); + trace_log_reg(ebb_state.trace, SPRN_MMCR0, val); + + found = 0; + for (i = 1; i <= 6; i++) { + if (ebb_state.pmc_enable[PMC_INDEX(i)]) + found += count_pmc(i, sample_period); + } + + if (!found) + ebb_state.stats.no_overflow++; + +out: + reset_ebb(); +} + +extern void ebb_handler(void); + +void setup_ebb_handler(void (*callee)(void)) +{ + u64 entry; + +#if defined(_CALL_ELF) && _CALL_ELF == 2 + entry = (u64)ebb_handler; +#else + struct opd + { + u64 entry; + u64 toc; + } *opd; + + opd = (struct opd *)ebb_handler; + entry = opd->entry; +#endif + printf("EBB Handler is at %#llx\n", entry); + + ebb_user_func = callee; + + /* Ensure ebb_user_func is set before we set the handler */ + mb(); + mtspr(SPRN_EBBHR, entry); + + /* Make sure the handler is set before we return */ + mb(); +} + +void clear_ebb_stats(void) +{ + memset(&ebb_state.stats, 0, sizeof(ebb_state.stats)); +} + +void dump_summary_ebb_state(void) +{ + printf("ebb_state:\n" \ + " ebb_count = %d\n" \ + " spurious = %d\n" \ + " negative = %d\n" \ + " no_overflow = %d\n" \ + " pmc[1] count = 0x%llx\n" \ + " pmc[2] count = 0x%llx\n" \ + " pmc[3] count = 0x%llx\n" \ + " pmc[4] count = 0x%llx\n" \ + " pmc[5] count = 0x%llx\n" \ + " pmc[6] count = 0x%llx\n", + ebb_state.stats.ebb_count, ebb_state.stats.spurious, + ebb_state.stats.negative, ebb_state.stats.no_overflow, + ebb_state.stats.pmc_count[0], ebb_state.stats.pmc_count[1], + ebb_state.stats.pmc_count[2], ebb_state.stats.pmc_count[3], + ebb_state.stats.pmc_count[4], ebb_state.stats.pmc_count[5]); +} + +static char *decode_mmcr0(u32 value) +{ + static char buf[16]; + + buf[0] = '\0'; + + if (value & (1 << 31)) + strcat(buf, "FC "); + if (value & (1 << 26)) + strcat(buf, "PMAE "); + if (value & (1 << 7)) + strcat(buf, "PMAO "); + + return buf; +} + +static char *decode_bescr(u64 value) +{ + static char buf[16]; + + buf[0] = '\0'; + + if (value & (1ull << 63)) + strcat(buf, "GE "); + if (value & (1ull << 32)) + strcat(buf, "PMAE "); + if (value & 1) + strcat(buf, "PMAO "); + + return buf; +} + +void dump_ebb_hw_state(void) +{ + u64 bescr; + u32 mmcr0; + + mmcr0 = mfspr(SPRN_MMCR0); + bescr = mfspr(SPRN_BESCR); + + printf("HW state:\n" \ + "MMCR0 0x%016x %s\n" \ + "EBBHR 0x%016lx\n" \ + "BESCR 0x%016llx %s\n" \ + "PMC1 0x%016lx\n" \ + "PMC2 0x%016lx\n" \ + "PMC3 0x%016lx\n" \ + "PMC4 0x%016lx\n" \ + "PMC5 0x%016lx\n" \ + "PMC6 0x%016lx\n" \ + "SIAR 0x%016lx\n", + mmcr0, decode_mmcr0(mmcr0), mfspr(SPRN_EBBHR), bescr, + decode_bescr(bescr), mfspr(SPRN_PMC1), mfspr(SPRN_PMC2), + mfspr(SPRN_PMC3), mfspr(SPRN_PMC4), mfspr(SPRN_PMC5), + mfspr(SPRN_PMC6), mfspr(SPRN_SIAR)); +} + +void dump_ebb_state(void) +{ + dump_summary_ebb_state(); + + dump_ebb_hw_state(); + + trace_buffer_print(ebb_state.trace); +} + +int count_pmc(int pmc, uint32_t sample_period) +{ + uint32_t start_value; + u64 val; + + /* 0) Read PMC */ + start_value = pmc_sample_period(sample_period); + + val = read_pmc(pmc); + if (val < start_value) + ebb_state.stats.negative++; + else + ebb_state.stats.pmc_count[PMC_INDEX(pmc)] += val - start_value; + + trace_log_reg(ebb_state.trace, SPRN_PMC1 + pmc - 1, val); + + /* 1) Reset PMC */ + write_pmc(pmc, start_value); + + /* Report if we overflowed */ + return val >= COUNTER_OVERFLOW; +} + +int ebb_event_enable(struct event *e) +{ + int rc; + + /* Ensure any SPR writes are ordered vs us */ + mb(); + + rc = ioctl(e->fd, PERF_EVENT_IOC_ENABLE); + if (rc) + return rc; + + rc = event_read(e); + + /* Ditto */ + mb(); + + return rc; +} + +void ebb_freeze_pmcs(void) +{ + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) | MMCR0_FC); + mb(); +} + +void ebb_unfreeze_pmcs(void) +{ + /* Unfreeze counters */ + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_FC); + mb(); +} + +void ebb_global_enable(void) +{ + /* Enable EBBs globally and PMU EBBs */ + mtspr(SPRN_BESCR, 0x8000000100000000ull); + mb(); +} + +void ebb_global_disable(void) +{ + /* Disable EBBs & freeze counters, events are still scheduled */ + mtspr(SPRN_BESCRR, BESCR_PME); + mb(); +} + +void event_ebb_init(struct event *e) +{ + e->attr.config |= (1ull << 63); +} + +void event_bhrb_init(struct event *e, unsigned ifm) +{ + e->attr.config |= (1ull << 62) | ((u64)ifm << 60); +} + +void event_leader_ebb_init(struct event *e) +{ + event_ebb_init(e); + + e->attr.exclusive = 1; + e->attr.pinned = 1; +} + +int core_busy_loop(void) +{ + int rc; + + asm volatile ( + "li 3, 0x3030\n" + "std 3, -96(1)\n" + "li 4, 0x4040\n" + "std 4, -104(1)\n" + "li 5, 0x5050\n" + "std 5, -112(1)\n" + "li 6, 0x6060\n" + "std 6, -120(1)\n" + "li 7, 0x7070\n" + "std 7, -128(1)\n" + "li 8, 0x0808\n" + "std 8, -136(1)\n" + "li 9, 0x0909\n" + "std 9, -144(1)\n" + "li 10, 0x1010\n" + "std 10, -152(1)\n" + "li 11, 0x1111\n" + "std 11, -160(1)\n" + "li 14, 0x1414\n" + "std 14, -168(1)\n" + "li 15, 0x1515\n" + "std 15, -176(1)\n" + "li 16, 0x1616\n" + "std 16, -184(1)\n" + "li 17, 0x1717\n" + "std 17, -192(1)\n" + "li 18, 0x1818\n" + "std 18, -200(1)\n" + "li 19, 0x1919\n" + "std 19, -208(1)\n" + "li 20, 0x2020\n" + "std 20, -216(1)\n" + "li 21, 0x2121\n" + "std 21, -224(1)\n" + "li 22, 0x2222\n" + "std 22, -232(1)\n" + "li 23, 0x2323\n" + "std 23, -240(1)\n" + "li 24, 0x2424\n" + "std 24, -248(1)\n" + "li 25, 0x2525\n" + "std 25, -256(1)\n" + "li 26, 0x2626\n" + "std 26, -264(1)\n" + "li 27, 0x2727\n" + "std 27, -272(1)\n" + "li 28, 0x2828\n" + "std 28, -280(1)\n" + "li 29, 0x2929\n" + "std 29, -288(1)\n" + "li 30, 0x3030\n" + "li 31, 0x3131\n" + + "li 3, 0\n" + "0: " + "addi 3, 3, 1\n" + "cmpwi 3, 100\n" + "blt 0b\n" + + /* Return 1 (fail) unless we get through all the checks */ + "li 0, 1\n" + + /* Check none of our registers have been corrupted */ + "cmpwi 4, 0x4040\n" + "bne 1f\n" + "cmpwi 5, 0x5050\n" + "bne 1f\n" + "cmpwi 6, 0x6060\n" + "bne 1f\n" + "cmpwi 7, 0x7070\n" + "bne 1f\n" + "cmpwi 8, 0x0808\n" + "bne 1f\n" + "cmpwi 9, 0x0909\n" + "bne 1f\n" + "cmpwi 10, 0x1010\n" + "bne 1f\n" + "cmpwi 11, 0x1111\n" + "bne 1f\n" + "cmpwi 14, 0x1414\n" + "bne 1f\n" + "cmpwi 15, 0x1515\n" + "bne 1f\n" + "cmpwi 16, 0x1616\n" + "bne 1f\n" + "cmpwi 17, 0x1717\n" + "bne 1f\n" + "cmpwi 18, 0x1818\n" + "bne 1f\n" + "cmpwi 19, 0x1919\n" + "bne 1f\n" + "cmpwi 20, 0x2020\n" + "bne 1f\n" + "cmpwi 21, 0x2121\n" + "bne 1f\n" + "cmpwi 22, 0x2222\n" + "bne 1f\n" + "cmpwi 23, 0x2323\n" + "bne 1f\n" + "cmpwi 24, 0x2424\n" + "bne 1f\n" + "cmpwi 25, 0x2525\n" + "bne 1f\n" + "cmpwi 26, 0x2626\n" + "bne 1f\n" + "cmpwi 27, 0x2727\n" + "bne 1f\n" + "cmpwi 28, 0x2828\n" + "bne 1f\n" + "cmpwi 29, 0x2929\n" + "bne 1f\n" + "cmpwi 30, 0x3030\n" + "bne 1f\n" + "cmpwi 31, 0x3131\n" + "bne 1f\n" + + /* Load junk into all our registers before we reload them from the stack. */ + "li 3, 0xde\n" + "li 4, 0xad\n" + "li 5, 0xbe\n" + "li 6, 0xef\n" + "li 7, 0xde\n" + "li 8, 0xad\n" + "li 9, 0xbe\n" + "li 10, 0xef\n" + "li 11, 0xde\n" + "li 14, 0xad\n" + "li 15, 0xbe\n" + "li 16, 0xef\n" + "li 17, 0xde\n" + "li 18, 0xad\n" + "li 19, 0xbe\n" + "li 20, 0xef\n" + "li 21, 0xde\n" + "li 22, 0xad\n" + "li 23, 0xbe\n" + "li 24, 0xef\n" + "li 25, 0xde\n" + "li 26, 0xad\n" + "li 27, 0xbe\n" + "li 28, 0xef\n" + "li 29, 0xdd\n" + + "ld 3, -96(1)\n" + "cmpwi 3, 0x3030\n" + "bne 1f\n" + "ld 4, -104(1)\n" + "cmpwi 4, 0x4040\n" + "bne 1f\n" + "ld 5, -112(1)\n" + "cmpwi 5, 0x5050\n" + "bne 1f\n" + "ld 6, -120(1)\n" + "cmpwi 6, 0x6060\n" + "bne 1f\n" + "ld 7, -128(1)\n" + "cmpwi 7, 0x7070\n" + "bne 1f\n" + "ld 8, -136(1)\n" + "cmpwi 8, 0x0808\n" + "bne 1f\n" + "ld 9, -144(1)\n" + "cmpwi 9, 0x0909\n" + "bne 1f\n" + "ld 10, -152(1)\n" + "cmpwi 10, 0x1010\n" + "bne 1f\n" + "ld 11, -160(1)\n" + "cmpwi 11, 0x1111\n" + "bne 1f\n" + "ld 14, -168(1)\n" + "cmpwi 14, 0x1414\n" + "bne 1f\n" + "ld 15, -176(1)\n" + "cmpwi 15, 0x1515\n" + "bne 1f\n" + "ld 16, -184(1)\n" + "cmpwi 16, 0x1616\n" + "bne 1f\n" + "ld 17, -192(1)\n" + "cmpwi 17, 0x1717\n" + "bne 1f\n" + "ld 18, -200(1)\n" + "cmpwi 18, 0x1818\n" + "bne 1f\n" + "ld 19, -208(1)\n" + "cmpwi 19, 0x1919\n" + "bne 1f\n" + "ld 20, -216(1)\n" + "cmpwi 20, 0x2020\n" + "bne 1f\n" + "ld 21, -224(1)\n" + "cmpwi 21, 0x2121\n" + "bne 1f\n" + "ld 22, -232(1)\n" + "cmpwi 22, 0x2222\n" + "bne 1f\n" + "ld 23, -240(1)\n" + "cmpwi 23, 0x2323\n" + "bne 1f\n" + "ld 24, -248(1)\n" + "cmpwi 24, 0x2424\n" + "bne 1f\n" + "ld 25, -256(1)\n" + "cmpwi 25, 0x2525\n" + "bne 1f\n" + "ld 26, -264(1)\n" + "cmpwi 26, 0x2626\n" + "bne 1f\n" + "ld 27, -272(1)\n" + "cmpwi 27, 0x2727\n" + "bne 1f\n" + "ld 28, -280(1)\n" + "cmpwi 28, 0x2828\n" + "bne 1f\n" + "ld 29, -288(1)\n" + "cmpwi 29, 0x2929\n" + "bne 1f\n" + + /* Load 0 (success) to return */ + "li 0, 0\n" + + "1: mr %0, 0\n" + + : "=r" (rc) + : /* no inputs */ + : "3", "4", "5", "6", "7", "8", "9", "10", "11", "14", + "15", "16", "17", "18", "19", "20", "21", "22", "23", + "24", "25", "26", "27", "28", "29", "30", "31", + "memory" + ); + + return rc; +} + +int core_busy_loop_with_freeze(void) +{ + int rc; + + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_FC); + rc = core_busy_loop(); + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) | MMCR0_FC); + + return rc; +} + +int ebb_child(union pipe read_pipe, union pipe write_pipe) +{ + struct event event; + uint64_t val; + + FAIL_IF(wait_for_parent(read_pipe)); + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + ebb_enable_pmc_counting(1); + setup_ebb_handler(standard_ebb_callee); + ebb_global_enable(); + + FAIL_IF(event_enable(&event)); + + if (event_read(&event)) { + /* + * Some tests expect to fail here, so don't report an error on + * this line, and return a distinguisable error code. Tell the + * parent an error happened. + */ + notify_parent_of_error(write_pipe); + return 2; + } + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + FAIL_IF(notify_parent(write_pipe)); + FAIL_IF(wait_for_parent(read_pipe)); + FAIL_IF(notify_parent(write_pipe)); + + while (ebb_state.stats.ebb_count < 20) { + FAIL_IF(core_busy_loop()); + + /* To try and hit SIGILL case */ + val = mfspr(SPRN_MMCRA); + val |= mfspr(SPRN_MMCR2); + val |= mfspr(SPRN_MMCR0); + } + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + + dump_ebb_state(); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + + return 0; +} + +static jmp_buf setjmp_env; + +static void sigill_handler(int signal) +{ + printf("Took sigill\n"); + longjmp(setjmp_env, 1); +} + +static struct sigaction sigill_action = { + .sa_handler = sigill_handler, +}; + +int catch_sigill(void (*func)(void)) +{ + if (sigaction(SIGILL, &sigill_action, NULL)) { + perror("sigaction"); + return 1; + } + + if (setjmp(setjmp_env) == 0) { + func(); + return 1; + } + + return 0; +} + +void write_pmc1(void) +{ + mtspr(SPRN_PMC1, 0); +} + +void write_pmc(int pmc, u64 value) +{ + switch (pmc) { + case 1: mtspr(SPRN_PMC1, value); break; + case 2: mtspr(SPRN_PMC2, value); break; + case 3: mtspr(SPRN_PMC3, value); break; + case 4: mtspr(SPRN_PMC4, value); break; + case 5: mtspr(SPRN_PMC5, value); break; + case 6: mtspr(SPRN_PMC6, value); break; + } +} + +u64 read_pmc(int pmc) +{ + switch (pmc) { + case 1: return mfspr(SPRN_PMC1); + case 2: return mfspr(SPRN_PMC2); + case 3: return mfspr(SPRN_PMC3); + case 4: return mfspr(SPRN_PMC4); + case 5: return mfspr(SPRN_PMC5); + case 6: return mfspr(SPRN_PMC6); + } + + return 0; +} + +static void term_handler(int signal) +{ + dump_summary_ebb_state(); + dump_ebb_hw_state(); + abort(); +} + +struct sigaction term_action = { + .sa_handler = term_handler, +}; + +static void __attribute__((constructor)) ebb_init(void) +{ + clear_ebb_stats(); + + if (sigaction(SIGTERM, &term_action, NULL)) + perror("sigaction"); + + ebb_state.trace = trace_buffer_allocate(1 * 1024 * 1024); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.h b/tools/testing/selftests/powerpc/pmu/ebb/ebb.h new file mode 100644 index 00000000000..e62bde05bf7 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.h @@ -0,0 +1,78 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#ifndef _SELFTESTS_POWERPC_PMU_EBB_EBB_H +#define _SELFTESTS_POWERPC_PMU_EBB_EBB_H + +#include "../event.h" +#include "../lib.h" +#include "trace.h" +#include "reg.h" + +#define PMC_INDEX(pmc) ((pmc)-1) + +#define NUM_PMC_VALUES 128 + +struct ebb_state +{ + struct { + u64 pmc_count[6]; + volatile int ebb_count; + int spurious; + int negative; + int no_overflow; + } stats; + + bool pmc_enable[6]; + struct trace_buffer *trace; +}; + +extern struct ebb_state ebb_state; + +#define COUNTER_OVERFLOW 0x80000000ull + +static inline uint32_t pmc_sample_period(uint32_t value) +{ + return COUNTER_OVERFLOW - value; +} + +static inline void ebb_enable_pmc_counting(int pmc) +{ + ebb_state.pmc_enable[PMC_INDEX(pmc)] = true; +} + +bool ebb_check_count(int pmc, u64 sample_period, int fudge); +void event_leader_ebb_init(struct event *e); +void event_ebb_init(struct event *e); +void event_bhrb_init(struct event *e, unsigned ifm); +void setup_ebb_handler(void (*callee)(void)); +void standard_ebb_callee(void); +int ebb_event_enable(struct event *e); +void ebb_global_enable(void); +void ebb_global_disable(void); +void ebb_freeze_pmcs(void); +void ebb_unfreeze_pmcs(void); +void event_ebb_init(struct event *e); +void event_leader_ebb_init(struct event *e); +int count_pmc(int pmc, uint32_t sample_period); +void dump_ebb_state(void); +void dump_summary_ebb_state(void); +void dump_ebb_hw_state(void); +void clear_ebb_stats(void); +void write_pmc(int pmc, u64 value); +u64 read_pmc(int pmc); +void reset_ebb_with_clear_mask(unsigned long mmcr0_clear_mask); +void reset_ebb(void); +int ebb_check_mmcr0(void); + +extern u64 sample_period; + +int core_busy_loop(void); +int core_busy_loop_with_freeze(void); +int ebb_child(union pipe read_pipe, union pipe write_pipe); +int catch_sigill(void (*func)(void)); +void write_pmc1(void); + +#endif /* _SELFTESTS_POWERPC_PMU_EBB_EBB_H */ diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_handler.S b/tools/testing/selftests/powerpc/pmu/ebb/ebb_handler.S new file mode 100644 index 00000000000..14274ea206e --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_handler.S @@ -0,0 +1,365 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <ppc-asm.h> +#include "reg.h" + + +/* ppc-asm.h defines most of the reg aliases, but not r1/r2. */ +#define r1 1 +#define r2 2 + +#define RFEBB .long 0x4c000924 + +/* Stack layout: + * + * ^ + * User stack | + * Back chain ------+ <- r1 <-------+ + * ... | + * Red zone / ABI Gap | + * ... | + * vr63 <+ | + * vr0 | | + * VSCR | | + * FSCR | | + * r31 | Save area | + * r0 | | + * XER | | + * CTR | | + * LR | | + * CCR <+ | + * ... <+ | + * LR | Caller frame | + * CCR | | + * Back chain <+ <- updated r1 --------+ + * + */ + +#if defined(_CALL_ELF) && _CALL_ELF == 2 +#define ABIGAP 512 +#else +#define ABIGAP 288 +#endif + +#define NR_GPR 32 +#define NR_SPR 6 +#define NR_VSR 64 + +#define SAVE_AREA ((NR_GPR + NR_SPR) * 8 + (NR_VSR * 16)) +#define CALLER_FRAME 112 + +#define STACK_FRAME (ABIGAP + SAVE_AREA + CALLER_FRAME) + +#define CCR_SAVE (CALLER_FRAME) +#define LR_SAVE (CCR_SAVE + 8) +#define CTR_SAVE (LR_SAVE + 8) +#define XER_SAVE (CTR_SAVE + 8) +#define GPR_SAVE(n) (XER_SAVE + 8 + (8 * n)) +#define FSCR_SAVE (GPR_SAVE(31) + 8) +#define VSCR_SAVE (FSCR_SAVE + 8) +#define VSR_SAVE(n) (VSCR_SAVE + 8 + (16 * n)) + +#define SAVE_GPR(n) std n,GPR_SAVE(n)(r1) +#define REST_GPR(n) ld n,GPR_SAVE(n)(r1) +#define TRASH_GPR(n) lis n,0xaaaa + +#define SAVE_VSR(n, b) li b, VSR_SAVE(n); stxvd2x n,b,r1 +#define LOAD_VSR(n, b) li b, VSR_SAVE(n); lxvd2x n,b,r1 + +#define LOAD_REG_IMMEDIATE(reg,expr) \ + lis reg,(expr)@highest; \ + ori reg,reg,(expr)@higher; \ + rldicr reg,reg,32,31; \ + oris reg,reg,(expr)@h; \ + ori reg,reg,(expr)@l; + + +#if defined(_CALL_ELF) && _CALL_ELF == 2 +#define ENTRY_POINT(name) \ + .type FUNC_NAME(name),@function; \ + .globl FUNC_NAME(name); \ + FUNC_NAME(name): + +#define RESTORE_TOC(name) \ + /* Restore our TOC pointer using our entry point */ \ + LOAD_REG_IMMEDIATE(r12, name) \ +0: addis r2,r12,(.TOC.-0b)@ha; \ + addi r2,r2,(.TOC.-0b)@l; + +#else +#define ENTRY_POINT(name) FUNC_START(name) +#define RESTORE_TOC(name) \ + /* Restore our TOC pointer via our opd entry */ \ + LOAD_REG_IMMEDIATE(r2, name) \ + ld r2,8(r2); +#endif + + .text + +ENTRY_POINT(ebb_handler) + stdu r1,-STACK_FRAME(r1) + SAVE_GPR(0) + mflr r0 + std r0,LR_SAVE(r1) + mfcr r0 + std r0,CCR_SAVE(r1) + mfctr r0 + std r0,CTR_SAVE(r1) + mfxer r0 + std r0,XER_SAVE(r1) + SAVE_GPR(2) + SAVE_GPR(3) + SAVE_GPR(4) + SAVE_GPR(5) + SAVE_GPR(6) + SAVE_GPR(7) + SAVE_GPR(8) + SAVE_GPR(9) + SAVE_GPR(10) + SAVE_GPR(11) + SAVE_GPR(12) + SAVE_GPR(13) + SAVE_GPR(14) + SAVE_GPR(15) + SAVE_GPR(16) + SAVE_GPR(17) + SAVE_GPR(18) + SAVE_GPR(19) + SAVE_GPR(20) + SAVE_GPR(21) + SAVE_GPR(22) + SAVE_GPR(23) + SAVE_GPR(24) + SAVE_GPR(25) + SAVE_GPR(26) + SAVE_GPR(27) + SAVE_GPR(28) + SAVE_GPR(29) + SAVE_GPR(30) + SAVE_GPR(31) + SAVE_VSR(0, r3) + mffs f0 + stfd f0, FSCR_SAVE(r1) + mfvscr f0 + stfd f0, VSCR_SAVE(r1) + SAVE_VSR(1, r3) + SAVE_VSR(2, r3) + SAVE_VSR(3, r3) + SAVE_VSR(4, r3) + SAVE_VSR(5, r3) + SAVE_VSR(6, r3) + SAVE_VSR(7, r3) + SAVE_VSR(8, r3) + SAVE_VSR(9, r3) + SAVE_VSR(10, r3) + SAVE_VSR(11, r3) + SAVE_VSR(12, r3) + SAVE_VSR(13, r3) + SAVE_VSR(14, r3) + SAVE_VSR(15, r3) + SAVE_VSR(16, r3) + SAVE_VSR(17, r3) + SAVE_VSR(18, r3) + SAVE_VSR(19, r3) + SAVE_VSR(20, r3) + SAVE_VSR(21, r3) + SAVE_VSR(22, r3) + SAVE_VSR(23, r3) + SAVE_VSR(24, r3) + SAVE_VSR(25, r3) + SAVE_VSR(26, r3) + SAVE_VSR(27, r3) + SAVE_VSR(28, r3) + SAVE_VSR(29, r3) + SAVE_VSR(30, r3) + SAVE_VSR(31, r3) + SAVE_VSR(32, r3) + SAVE_VSR(33, r3) + SAVE_VSR(34, r3) + SAVE_VSR(35, r3) + SAVE_VSR(36, r3) + SAVE_VSR(37, r3) + SAVE_VSR(38, r3) + SAVE_VSR(39, r3) + SAVE_VSR(40, r3) + SAVE_VSR(41, r3) + SAVE_VSR(42, r3) + SAVE_VSR(43, r3) + SAVE_VSR(44, r3) + SAVE_VSR(45, r3) + SAVE_VSR(46, r3) + SAVE_VSR(47, r3) + SAVE_VSR(48, r3) + SAVE_VSR(49, r3) + SAVE_VSR(50, r3) + SAVE_VSR(51, r3) + SAVE_VSR(52, r3) + SAVE_VSR(53, r3) + SAVE_VSR(54, r3) + SAVE_VSR(55, r3) + SAVE_VSR(56, r3) + SAVE_VSR(57, r3) + SAVE_VSR(58, r3) + SAVE_VSR(59, r3) + SAVE_VSR(60, r3) + SAVE_VSR(61, r3) + SAVE_VSR(62, r3) + SAVE_VSR(63, r3) + + TRASH_GPR(2) + TRASH_GPR(3) + TRASH_GPR(4) + TRASH_GPR(5) + TRASH_GPR(6) + TRASH_GPR(7) + TRASH_GPR(8) + TRASH_GPR(9) + TRASH_GPR(10) + TRASH_GPR(11) + TRASH_GPR(12) + TRASH_GPR(14) + TRASH_GPR(15) + TRASH_GPR(16) + TRASH_GPR(17) + TRASH_GPR(18) + TRASH_GPR(19) + TRASH_GPR(20) + TRASH_GPR(21) + TRASH_GPR(22) + TRASH_GPR(23) + TRASH_GPR(24) + TRASH_GPR(25) + TRASH_GPR(26) + TRASH_GPR(27) + TRASH_GPR(28) + TRASH_GPR(29) + TRASH_GPR(30) + TRASH_GPR(31) + + RESTORE_TOC(ebb_handler) + + /* + * r13 is our TLS pointer. We leave whatever value was in there when the + * EBB fired. That seems to be OK because once set the TLS pointer is not + * changed - but presumably that could change in future. + */ + + bl ebb_hook + nop + + /* r2 may be changed here but we don't care */ + + lfd f0, FSCR_SAVE(r1) + mtfsf 0xff,f0 + lfd f0, VSCR_SAVE(r1) + mtvscr f0 + LOAD_VSR(0, r3) + LOAD_VSR(1, r3) + LOAD_VSR(2, r3) + LOAD_VSR(3, r3) + LOAD_VSR(4, r3) + LOAD_VSR(5, r3) + LOAD_VSR(6, r3) + LOAD_VSR(7, r3) + LOAD_VSR(8, r3) + LOAD_VSR(9, r3) + LOAD_VSR(10, r3) + LOAD_VSR(11, r3) + LOAD_VSR(12, r3) + LOAD_VSR(13, r3) + LOAD_VSR(14, r3) + LOAD_VSR(15, r3) + LOAD_VSR(16, r3) + LOAD_VSR(17, r3) + LOAD_VSR(18, r3) + LOAD_VSR(19, r3) + LOAD_VSR(20, r3) + LOAD_VSR(21, r3) + LOAD_VSR(22, r3) + LOAD_VSR(23, r3) + LOAD_VSR(24, r3) + LOAD_VSR(25, r3) + LOAD_VSR(26, r3) + LOAD_VSR(27, r3) + LOAD_VSR(28, r3) + LOAD_VSR(29, r3) + LOAD_VSR(30, r3) + LOAD_VSR(31, r3) + LOAD_VSR(32, r3) + LOAD_VSR(33, r3) + LOAD_VSR(34, r3) + LOAD_VSR(35, r3) + LOAD_VSR(36, r3) + LOAD_VSR(37, r3) + LOAD_VSR(38, r3) + LOAD_VSR(39, r3) + LOAD_VSR(40, r3) + LOAD_VSR(41, r3) + LOAD_VSR(42, r3) + LOAD_VSR(43, r3) + LOAD_VSR(44, r3) + LOAD_VSR(45, r3) + LOAD_VSR(46, r3) + LOAD_VSR(47, r3) + LOAD_VSR(48, r3) + LOAD_VSR(49, r3) + LOAD_VSR(50, r3) + LOAD_VSR(51, r3) + LOAD_VSR(52, r3) + LOAD_VSR(53, r3) + LOAD_VSR(54, r3) + LOAD_VSR(55, r3) + LOAD_VSR(56, r3) + LOAD_VSR(57, r3) + LOAD_VSR(58, r3) + LOAD_VSR(59, r3) + LOAD_VSR(60, r3) + LOAD_VSR(61, r3) + LOAD_VSR(62, r3) + LOAD_VSR(63, r3) + + ld r0,XER_SAVE(r1) + mtxer r0 + ld r0,CTR_SAVE(r1) + mtctr r0 + ld r0,LR_SAVE(r1) + mtlr r0 + ld r0,CCR_SAVE(r1) + mtcr r0 + REST_GPR(0) + REST_GPR(2) + REST_GPR(3) + REST_GPR(4) + REST_GPR(5) + REST_GPR(6) + REST_GPR(7) + REST_GPR(8) + REST_GPR(9) + REST_GPR(10) + REST_GPR(11) + REST_GPR(12) + REST_GPR(13) + REST_GPR(14) + REST_GPR(15) + REST_GPR(16) + REST_GPR(17) + REST_GPR(18) + REST_GPR(19) + REST_GPR(20) + REST_GPR(21) + REST_GPR(22) + REST_GPR(23) + REST_GPR(24) + REST_GPR(25) + REST_GPR(26) + REST_GPR(27) + REST_GPR(28) + REST_GPR(29) + REST_GPR(30) + REST_GPR(31) + addi r1,r1,STACK_FRAME + RFEBB +FUNC_END(ebb_handler) diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c new file mode 100644 index 00000000000..c45f948148e --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_child_test.c @@ -0,0 +1,86 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "ebb.h" + + +/* + * Tests we can setup an EBB on our child. Nothing interesting happens, because + * even though the event is enabled and running the child hasn't enabled the + * actual delivery of the EBBs. + */ + +static int victim_child(union pipe read_pipe, union pipe write_pipe) +{ + int i; + + FAIL_IF(wait_for_parent(read_pipe)); + FAIL_IF(notify_parent(write_pipe)); + + /* Parent creates EBB event */ + + FAIL_IF(wait_for_parent(read_pipe)); + FAIL_IF(notify_parent(write_pipe)); + + /* Check the EBB is enabled by writing PMC1 */ + write_pmc1(); + + /* EBB event is enabled here */ + for (i = 0; i < 1000000; i++) ; + + return 0; +} + +int ebb_on_child(void) +{ + union pipe read_pipe, write_pipe; + struct event event; + pid_t pid; + + FAIL_IF(pipe(read_pipe.fds) == -1); + FAIL_IF(pipe(write_pipe.fds) == -1); + + pid = fork(); + if (pid == 0) { + /* NB order of pipes looks reversed */ + exit(victim_child(write_pipe, read_pipe)); + } + + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + + /* Child is running now */ + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open_with_pid(&event, pid)); + FAIL_IF(ebb_event_enable(&event)); + + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + + /* Child should just exit happily */ + FAIL_IF(wait_for_child(pid)); + + event_close(&event); + + return 0; +} + +int main(void) +{ + return test_harness(ebb_on_child, "ebb_on_child"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c new file mode 100644 index 00000000000..11acf1d55f8 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c @@ -0,0 +1,92 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "ebb.h" + + +/* + * Tests we can setup an EBB on our child. The child expects this and enables + * EBBs, which are then delivered to the child, even though the event is + * created by the parent. + */ + +static int victim_child(union pipe read_pipe, union pipe write_pipe) +{ + FAIL_IF(wait_for_parent(read_pipe)); + + /* Setup our EBB handler, before the EBB event is created */ + ebb_enable_pmc_counting(1); + setup_ebb_handler(standard_ebb_callee); + ebb_global_enable(); + + FAIL_IF(notify_parent(write_pipe)); + + while (ebb_state.stats.ebb_count < 20) { + FAIL_IF(core_busy_loop()); + } + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + + dump_ebb_state(); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + + return 0; +} + +/* Tests we can setup an EBB on our child - if it's expecting it */ +int ebb_on_willing_child(void) +{ + union pipe read_pipe, write_pipe; + struct event event; + pid_t pid; + + FAIL_IF(pipe(read_pipe.fds) == -1); + FAIL_IF(pipe(write_pipe.fds) == -1); + + pid = fork(); + if (pid == 0) { + /* NB order of pipes looks reversed */ + exit(victim_child(write_pipe, read_pipe)); + } + + /* Signal the child to setup its EBB handler */ + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + + /* Child is running now */ + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open_with_pid(&event, pid)); + FAIL_IF(ebb_event_enable(&event)); + + /* Child show now take EBBs and then exit */ + FAIL_IF(wait_for_child(pid)); + + event_close(&event); + + return 0; +} + +int main(void) +{ + return test_harness(ebb_on_willing_child, "ebb_on_willing_child"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c new file mode 100644 index 00000000000..be4dd5a4e98 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_vs_cpu_event_test.c @@ -0,0 +1,86 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "ebb.h" + + +/* + * Tests an EBB vs a cpu event - in that order. The EBB should force the cpu + * event off the PMU. + */ + +static int setup_cpu_event(struct event *event, int cpu) +{ + event_init_named(event, 0x400FA, "PM_RUN_INST_CMPL"); + + event->attr.exclude_kernel = 1; + event->attr.exclude_hv = 1; + event->attr.exclude_idle = 1; + + SKIP_IF(require_paranoia_below(1)); + FAIL_IF(event_open_with_cpu(event, cpu)); + FAIL_IF(event_enable(event)); + + return 0; +} + +int ebb_vs_cpu_event(void) +{ + union pipe read_pipe, write_pipe; + struct event event; + int cpu, rc; + pid_t pid; + + cpu = pick_online_cpu(); + FAIL_IF(cpu < 0); + FAIL_IF(bind_to_cpu(cpu)); + + FAIL_IF(pipe(read_pipe.fds) == -1); + FAIL_IF(pipe(write_pipe.fds) == -1); + + pid = fork(); + if (pid == 0) { + /* NB order of pipes looks reversed */ + exit(ebb_child(write_pipe, read_pipe)); + } + + /* Signal the child to install its EBB event and wait */ + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + + /* Now try to install our CPU event */ + rc = setup_cpu_event(&event, cpu); + if (rc) { + kill_child_and_wait(pid); + return rc; + } + + /* Signal the child to run */ + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + + /* .. and wait for it to complete */ + FAIL_IF(wait_for_child(pid)); + FAIL_IF(event_disable(&event)); + FAIL_IF(event_read(&event)); + + event_report(&event); + + /* The cpu event may have run, but we don't expect 100% */ + FAIL_IF(event.result.enabled >= event.result.running); + + return 0; +} + +int main(void) +{ + return test_harness(ebb_vs_cpu_event, "ebb_vs_cpu_event"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c b/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c new file mode 100644 index 00000000000..7e78153f08e --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/event_attributes_test.c @@ -0,0 +1,131 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> + +#include "ebb.h" + + +/* + * Test various attributes of the EBB event are enforced. + */ +int event_attributes(void) +{ + struct event event, leader; + + event_init(&event, 0x1001e); + event_leader_ebb_init(&event); + /* Expected to succeed */ + FAIL_IF(event_open(&event)); + event_close(&event); + + + event_init(&event, 0x001e); /* CYCLES - no PMC specified */ + event_leader_ebb_init(&event); + /* Expected to fail, no PMC specified */ + FAIL_IF(event_open(&event) == 0); + + + event_init(&event, 0x2001e); + event_leader_ebb_init(&event); + event.attr.exclusive = 0; + /* Expected to fail, not exclusive */ + FAIL_IF(event_open(&event) == 0); + + + event_init(&event, 0x3001e); + event_leader_ebb_init(&event); + event.attr.freq = 1; + /* Expected to fail, sets freq */ + FAIL_IF(event_open(&event) == 0); + + + event_init(&event, 0x4001e); + event_leader_ebb_init(&event); + event.attr.sample_period = 1; + /* Expected to fail, sets sample_period */ + FAIL_IF(event_open(&event) == 0); + + + event_init(&event, 0x1001e); + event_leader_ebb_init(&event); + event.attr.enable_on_exec = 1; + /* Expected to fail, sets enable_on_exec */ + FAIL_IF(event_open(&event) == 0); + + + event_init(&event, 0x1001e); + event_leader_ebb_init(&event); + event.attr.inherit = 1; + /* Expected to fail, sets inherit */ + FAIL_IF(event_open(&event) == 0); + + + event_init(&leader, 0x1001e); + event_leader_ebb_init(&leader); + FAIL_IF(event_open(&leader)); + + event_init(&event, 0x20002); + event_ebb_init(&event); + + /* Expected to succeed */ + FAIL_IF(event_open_with_group(&event, leader.fd)); + event_close(&leader); + event_close(&event); + + + event_init(&leader, 0x1001e); + event_leader_ebb_init(&leader); + FAIL_IF(event_open(&leader)); + + event_init(&event, 0x20002); + + /* Expected to fail, event doesn't request EBB, leader does */ + FAIL_IF(event_open_with_group(&event, leader.fd) == 0); + event_close(&leader); + + + event_init(&leader, 0x1001e); + event_leader_ebb_init(&leader); + /* Clear the EBB flag */ + leader.attr.config &= ~(1ull << 63); + + FAIL_IF(event_open(&leader)); + + event_init(&event, 0x20002); + event_ebb_init(&event); + + /* Expected to fail, leader doesn't request EBB */ + FAIL_IF(event_open_with_group(&event, leader.fd) == 0); + event_close(&leader); + + + event_init(&leader, 0x1001e); + event_leader_ebb_init(&leader); + leader.attr.exclusive = 0; + /* Expected to fail, leader isn't exclusive */ + FAIL_IF(event_open(&leader) == 0); + + + event_init(&leader, 0x1001e); + event_leader_ebb_init(&leader); + leader.attr.pinned = 0; + /* Expected to fail, leader isn't pinned */ + FAIL_IF(event_open(&leader) == 0); + + event_init(&event, 0x1001e); + event_leader_ebb_init(&event); + /* Expected to fail, not a task event */ + SKIP_IF(require_paranoia_below(1)); + FAIL_IF(event_open_with_cpu(&event, 0) == 0); + + return 0; +} + +int main(void) +{ + return test_harness(event_attributes, "event_attributes"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/fixed_instruction_loop.S b/tools/testing/selftests/powerpc/pmu/ebb/fixed_instruction_loop.S new file mode 100644 index 00000000000..b866a0581d3 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/fixed_instruction_loop.S @@ -0,0 +1,43 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <ppc-asm.h> + + .text + +FUNC_START(thirty_two_instruction_loop) + cmpwi r3,0 + beqlr + addi r4,r3,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 # 28 addi's + subi r3,r3,1 + b FUNC_NAME(thirty_two_instruction_loop) +FUNC_END(thirty_two_instruction_loop) diff --git a/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c b/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c new file mode 100644 index 00000000000..9e7af6e7662 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/fork_cleanup_test.c @@ -0,0 +1,79 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> +#include <setjmp.h> +#include <signal.h> + +#include "ebb.h" + + +/* + * Test that a fork clears the PMU state of the child. eg. BESCR/EBBHR/EBBRR + * are cleared, and MMCR0_PMCC is reset, preventing the child from accessing + * the PMU. + */ + +static struct event event; + +static int child(void) +{ + /* Even though we have EBE=0 we can still see the EBB regs */ + FAIL_IF(mfspr(SPRN_BESCR) != 0); + FAIL_IF(mfspr(SPRN_EBBHR) != 0); + FAIL_IF(mfspr(SPRN_EBBRR) != 0); + + FAIL_IF(catch_sigill(write_pmc1)); + + /* We can still read from the event, though it is on our parent */ + FAIL_IF(event_read(&event)); + + return 0; +} + +/* Tests that fork clears EBB state */ +int fork_cleanup(void) +{ + pid_t pid; + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + FAIL_IF(event_open(&event)); + + ebb_enable_pmc_counting(1); + setup_ebb_handler(standard_ebb_callee); + ebb_global_enable(); + + FAIL_IF(ebb_event_enable(&event)); + + mtspr(SPRN_MMCR0, MMCR0_FC); + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + /* Don't need to actually take any EBBs */ + + pid = fork(); + if (pid == 0) + exit(child()); + + /* Child does the actual testing */ + FAIL_IF(wait_for_child(pid)); + + /* After fork */ + event_close(&event); + + return 0; +} + +int main(void) +{ + return test_harness(fork_cleanup, "fork_cleanup"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c b/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c new file mode 100644 index 00000000000..f8190fa2959 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/instruction_count_test.c @@ -0,0 +1,164 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#define _GNU_SOURCE + +#include <stdio.h> +#include <stdbool.h> +#include <string.h> +#include <sys/prctl.h> + +#include "ebb.h" + + +/* + * Run a calibrated instruction loop and count instructions executed using + * EBBs. Make sure the counts look right. + */ + +extern void thirty_two_instruction_loop(uint64_t loops); + +static bool counters_frozen = true; + +static int do_count_loop(struct event *event, uint64_t instructions, + uint64_t overhead, bool report) +{ + int64_t difference, expected; + double percentage; + + clear_ebb_stats(); + + counters_frozen = false; + mb(); + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_FC); + + thirty_two_instruction_loop(instructions >> 5); + + counters_frozen = true; + mb(); + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) | MMCR0_FC); + + count_pmc(4, sample_period); + + event->result.value = ebb_state.stats.pmc_count[4-1]; + expected = instructions + overhead; + difference = event->result.value - expected; + percentage = (double)difference / event->result.value * 100; + + if (report) { + printf("Looped for %lu instructions, overhead %lu\n", instructions, overhead); + printf("Expected %lu\n", expected); + printf("Actual %llu\n", event->result.value); + printf("Error %ld, %f%%\n", difference, percentage); + printf("Took %d EBBs\n", ebb_state.stats.ebb_count); + } + + if (difference < 0) + difference = -difference; + + /* Tolerate a difference of up to 0.0001 % */ + difference *= 10000 * 100; + if (difference / event->result.value) + return -1; + + return 0; +} + +/* Count how many instructions it takes to do a null loop */ +static uint64_t determine_overhead(struct event *event) +{ + uint64_t current, overhead; + int i; + + do_count_loop(event, 0, 0, false); + overhead = event->result.value; + + for (i = 0; i < 100; i++) { + do_count_loop(event, 0, 0, false); + current = event->result.value; + if (current < overhead) { + printf("Replacing overhead %lu with %lu\n", overhead, current); + overhead = current; + } + } + + return overhead; +} + +static void pmc4_ebb_callee(void) +{ + uint64_t val; + + val = mfspr(SPRN_BESCR); + if (!(val & BESCR_PMEO)) { + ebb_state.stats.spurious++; + goto out; + } + + ebb_state.stats.ebb_count++; + count_pmc(4, sample_period); +out: + if (counters_frozen) + reset_ebb_with_clear_mask(MMCR0_PMAO); + else + reset_ebb(); +} + +int instruction_count(void) +{ + struct event event; + uint64_t overhead; + + event_init_named(&event, 0x400FA, "PM_RUN_INST_CMPL"); + event_leader_ebb_init(&event); + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + FAIL_IF(ebb_event_enable(&event)); + + sample_period = COUNTER_OVERFLOW; + + setup_ebb_handler(pmc4_ebb_callee); + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_FC); + ebb_global_enable(); + + overhead = determine_overhead(&event); + printf("Overhead of null loop: %lu instructions\n", overhead); + + /* Run for 1M instructions */ + FAIL_IF(do_count_loop(&event, 0x100000, overhead, true)); + + /* Run for 10M instructions */ + FAIL_IF(do_count_loop(&event, 0xa00000, overhead, true)); + + /* Run for 100M instructions */ + FAIL_IF(do_count_loop(&event, 0x6400000, overhead, true)); + + /* Run for 1G instructions */ + FAIL_IF(do_count_loop(&event, 0x40000000, overhead, true)); + + /* Run for 16G instructions */ + FAIL_IF(do_count_loop(&event, 0x400000000, overhead, true)); + + /* Run for 64G instructions */ + FAIL_IF(do_count_loop(&event, 0x1000000000, overhead, true)); + + /* Run for 128G instructions */ + FAIL_IF(do_count_loop(&event, 0x2000000000, overhead, true)); + + ebb_global_disable(); + event_close(&event); + + printf("Finished OK\n"); + + return 0; +} + +int main(void) +{ + return test_harness(instruction_count, "instruction_count"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c b/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c new file mode 100644 index 00000000000..0c9dd9b2e39 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c @@ -0,0 +1,100 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <sched.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/mman.h> + +#include "ebb.h" + + +/* + * Test that tries to trigger CPU_FTR_PMAO_BUG. Which is a hardware defect + * where an exception triggers but we context switch before it is delivered and + * lose the exception. + */ + +static int test_body(void) +{ + int i, orig_period, max_period; + struct event event; + + /* We use PMC4 to make sure the kernel switches all counters correctly */ + event_init_named(&event, 0x40002, "instructions"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + ebb_enable_pmc_counting(4); + setup_ebb_handler(standard_ebb_callee); + ebb_global_enable(); + FAIL_IF(ebb_event_enable(&event)); + + /* + * We want a low sample period, but we also want to get out of the EBB + * handler without tripping up again. + * + * This value picked after much experimentation. + */ + orig_period = max_period = sample_period = 400; + + mtspr(SPRN_PMC4, pmc_sample_period(sample_period)); + + while (ebb_state.stats.ebb_count < 1000000) { + /* + * We are trying to get the EBB exception to race exactly with + * us entering the kernel to do the syscall. We then need the + * kernel to decide our timeslice is up and context switch to + * the other thread. When we come back our EBB will have been + * lost and we'll spin in this while loop forever. + */ + + for (i = 0; i < 100000; i++) + sched_yield(); + + /* Change the sample period slightly to try and hit the race */ + if (sample_period >= (orig_period + 200)) + sample_period = orig_period; + else + sample_period++; + + if (sample_period > max_period) + max_period = sample_period; + } + + ebb_freeze_pmcs(); + ebb_global_disable(); + + count_pmc(4, sample_period); + mtspr(SPRN_PMC4, 0xdead); + + dump_summary_ebb_state(); + dump_ebb_hw_state(); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + + /* We vary our sample period so we need extra fudge here */ + FAIL_IF(!ebb_check_count(4, orig_period, 2 * (max_period - orig_period))); + + return 0; +} + +static int lost_exception(void) +{ + return eat_cpu(test_body); +} + +int main(void) +{ + return test_harness(lost_exception, "lost_exception"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c b/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c new file mode 100644 index 00000000000..67d78af3284 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c @@ -0,0 +1,91 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <sys/ioctl.h> + +#include "ebb.h" + + +/* + * Test counting multiple events using EBBs. + */ +int multi_counter(void) +{ + struct event events[6]; + int i, group_fd; + + event_init_named(&events[0], 0x1001C, "PM_CMPLU_STALL_THRD"); + event_init_named(&events[1], 0x2D016, "PM_CMPLU_STALL_FXU"); + event_init_named(&events[2], 0x30006, "PM_CMPLU_STALL_OTHER_CMPL"); + event_init_named(&events[3], 0x4000A, "PM_CMPLU_STALL"); + event_init_named(&events[4], 0x600f4, "PM_RUN_CYC"); + event_init_named(&events[5], 0x500fa, "PM_RUN_INST_CMPL"); + + event_leader_ebb_init(&events[0]); + for (i = 1; i < 6; i++) + event_ebb_init(&events[i]); + + group_fd = -1; + for (i = 0; i < 6; i++) { + events[i].attr.exclude_kernel = 1; + events[i].attr.exclude_hv = 1; + events[i].attr.exclude_idle = 1; + + FAIL_IF(event_open_with_group(&events[i], group_fd)); + if (group_fd == -1) + group_fd = events[0].fd; + } + + ebb_enable_pmc_counting(1); + ebb_enable_pmc_counting(2); + ebb_enable_pmc_counting(3); + ebb_enable_pmc_counting(4); + ebb_enable_pmc_counting(5); + ebb_enable_pmc_counting(6); + setup_ebb_handler(standard_ebb_callee); + + FAIL_IF(ioctl(events[0].fd, PERF_EVENT_IOC_ENABLE, PERF_IOC_FLAG_GROUP)); + FAIL_IF(event_read(&events[0])); + + ebb_global_enable(); + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + mtspr(SPRN_PMC2, pmc_sample_period(sample_period)); + mtspr(SPRN_PMC3, pmc_sample_period(sample_period)); + mtspr(SPRN_PMC4, pmc_sample_period(sample_period)); + mtspr(SPRN_PMC5, pmc_sample_period(sample_period)); + mtspr(SPRN_PMC6, pmc_sample_period(sample_period)); + + while (ebb_state.stats.ebb_count < 50) { + FAIL_IF(core_busy_loop()); + FAIL_IF(ebb_check_mmcr0()); + } + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + count_pmc(2, sample_period); + count_pmc(3, sample_period); + count_pmc(4, sample_period); + count_pmc(5, sample_period); + count_pmc(6, sample_period); + + dump_ebb_state(); + + for (i = 0; i < 6; i++) + event_close(&events[i]); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + + return 0; +} + +int main(void) +{ + return test_harness(multi_counter, "multi_counter"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c b/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c new file mode 100644 index 00000000000..b8dc371f933 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c @@ -0,0 +1,109 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> + +#include "ebb.h" + + +/* + * Test running multiple EBB using processes at once on a single CPU. They + * should all run happily without interfering with each other. + */ + +static bool child_should_exit; + +static void sigint_handler(int signal) +{ + child_should_exit = true; +} + +struct sigaction sigint_action = { + .sa_handler = sigint_handler, +}; + +static int cycles_child(void) +{ + struct event event; + + if (sigaction(SIGINT, &sigint_action, NULL)) { + perror("sigaction"); + return 1; + } + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + ebb_enable_pmc_counting(1); + setup_ebb_handler(standard_ebb_callee); + ebb_global_enable(); + + FAIL_IF(ebb_event_enable(&event)); + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + while (!child_should_exit) { + FAIL_IF(core_busy_loop()); + FAIL_IF(ebb_check_mmcr0()); + } + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + + dump_summary_ebb_state(); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + + return 0; +} + +#define NR_CHILDREN 4 + +int multi_ebb_procs(void) +{ + pid_t pids[NR_CHILDREN]; + int cpu, rc, i; + + cpu = pick_online_cpu(); + FAIL_IF(cpu < 0); + FAIL_IF(bind_to_cpu(cpu)); + + for (i = 0; i < NR_CHILDREN; i++) { + pids[i] = fork(); + if (pids[i] == 0) + exit(cycles_child()); + } + + /* Have them all run for "a while" */ + sleep(10); + + rc = 0; + for (i = 0; i < NR_CHILDREN; i++) { + /* Tell them to stop */ + kill(pids[i], SIGINT); + /* And wait */ + rc |= wait_for_child(pids[i]); + } + + return rc; +} + +int main(void) +{ + return test_harness(multi_ebb_procs, "multi_ebb_procs"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c new file mode 100644 index 00000000000..2f9bf8edfa6 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c @@ -0,0 +1,61 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <setjmp.h> +#include <signal.h> + +#include "ebb.h" + + +/* Test that things work sanely if we have no handler */ + +static int no_handler_test(void) +{ + struct event event; + u64 val; + int i; + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + FAIL_IF(ebb_event_enable(&event)); + + val = mfspr(SPRN_EBBHR); + FAIL_IF(val != 0); + + /* Make sure it overflows quickly */ + sample_period = 1000; + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + /* Spin to make sure the event has time to overflow */ + for (i = 0; i < 1000; i++) + mb(); + + dump_ebb_state(); + + /* We expect to see the PMU frozen & PMAO set */ + val = mfspr(SPRN_MMCR0); + FAIL_IF(val != 0x0000000080000080); + + event_close(&event); + + dump_ebb_state(); + + /* The real test is that we never took an EBB at 0x0 */ + + return 0; +} + +int main(void) +{ + return test_harness(no_handler_test,"no_handler_test"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c new file mode 100644 index 00000000000..986500fd213 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c @@ -0,0 +1,106 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <sched.h> +#include <signal.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> + +#include "ebb.h" + + +/* + * Test that the kernel properly handles PMAE across context switches. + * + * We test this by calling into the kernel inside our EBB handler, where PMAE + * is clear. A cpu eater companion thread is running on the same CPU as us to + * encourage the scheduler to switch us. + * + * The kernel must make sure that when it context switches us back in, it + * honours the fact that we had PMAE clear. + * + * Observed to hit the failing case on the first EBB with a broken kernel. + */ + +static bool mmcr0_mismatch; +static uint64_t before, after; + +static void syscall_ebb_callee(void) +{ + uint64_t val; + + val = mfspr(SPRN_BESCR); + if (!(val & BESCR_PMEO)) { + ebb_state.stats.spurious++; + goto out; + } + + ebb_state.stats.ebb_count++; + count_pmc(1, sample_period); + + before = mfspr(SPRN_MMCR0); + + /* Try and get ourselves scheduled, to force a PMU context switch */ + sched_yield(); + + after = mfspr(SPRN_MMCR0); + if (before != after) + mmcr0_mismatch = true; + +out: + reset_ebb(); +} + +static int test_body(void) +{ + struct event event; + + event_init_named(&event, 0x1001e, "cycles"); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + setup_ebb_handler(syscall_ebb_callee); + ebb_global_enable(); + + FAIL_IF(ebb_event_enable(&event)); + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + + while (ebb_state.stats.ebb_count < 20 && !mmcr0_mismatch) + FAIL_IF(core_busy_loop()); + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(1, sample_period); + + dump_ebb_state(); + + if (mmcr0_mismatch) + printf("Saw MMCR0 before 0x%lx after 0x%lx\n", before, after); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0); + FAIL_IF(mmcr0_mismatch); + + return 0; +} + +int pmae_handling(void) +{ + return eat_cpu(test_body); +} + +int main(void) +{ + return test_harness(pmae_handling, "pmae_handling"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c new file mode 100644 index 00000000000..a503fa70c95 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c @@ -0,0 +1,93 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> + +#include "ebb.h" + + +/* + * Test that PMC5 & 6 are frozen (ie. don't overflow) when they are not being + * used. Tests the MMCR0_FC56 logic in the kernel. + */ + +static int pmc56_overflowed; + +static void ebb_callee(void) +{ + uint64_t val; + + val = mfspr(SPRN_BESCR); + if (!(val & BESCR_PMEO)) { + ebb_state.stats.spurious++; + goto out; + } + + ebb_state.stats.ebb_count++; + count_pmc(2, sample_period); + + val = mfspr(SPRN_PMC5); + if (val >= COUNTER_OVERFLOW) + pmc56_overflowed++; + + count_pmc(5, COUNTER_OVERFLOW); + + val = mfspr(SPRN_PMC6); + if (val >= COUNTER_OVERFLOW) + pmc56_overflowed++; + + count_pmc(6, COUNTER_OVERFLOW); + +out: + reset_ebb(); +} + +int pmc56_overflow(void) +{ + struct event event; + + /* Use PMC2 so we set PMCjCE, which enables PMC5/6 */ + event_init(&event, 0x2001e); + event_leader_ebb_init(&event); + + event.attr.exclude_kernel = 1; + event.attr.exclude_hv = 1; + event.attr.exclude_idle = 1; + + FAIL_IF(event_open(&event)); + + setup_ebb_handler(ebb_callee); + ebb_global_enable(); + + FAIL_IF(ebb_event_enable(&event)); + + mtspr(SPRN_PMC1, pmc_sample_period(sample_period)); + mtspr(SPRN_PMC5, 0); + mtspr(SPRN_PMC6, 0); + + while (ebb_state.stats.ebb_count < 10) + FAIL_IF(core_busy_loop()); + + ebb_global_disable(); + ebb_freeze_pmcs(); + + count_pmc(2, sample_period); + + dump_ebb_state(); + + printf("PMC5/6 overflow %d\n", pmc56_overflowed); + + event_close(&event); + + FAIL_IF(ebb_state.stats.ebb_count == 0 || pmc56_overflowed != 0); + + return 0; +} + +int main(void) +{ + return test_harness(pmc56_overflow, "pmc56_overflow"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/reg.h b/tools/testing/selftests/powerpc/pmu/ebb/reg.h new file mode 100644 index 00000000000..5921b0dfe2e --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/reg.h @@ -0,0 +1,49 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#ifndef _SELFTESTS_POWERPC_REG_H +#define _SELFTESTS_POWERPC_REG_H + +#define __stringify_1(x) #x +#define __stringify(x) __stringify_1(x) + +#define mfspr(rn) ({unsigned long rval; \ + asm volatile("mfspr %0," __stringify(rn) \ + : "=r" (rval)); rval; }) +#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : \ + : "r" ((unsigned long)(v)) \ + : "memory") + +#define mb() asm volatile("sync" : : : "memory"); + +#define SPRN_MMCR2 769 +#define SPRN_MMCRA 770 +#define SPRN_MMCR0 779 +#define MMCR0_PMAO 0x00000080 +#define MMCR0_PMAE 0x04000000 +#define MMCR0_FC 0x80000000 +#define SPRN_EBBHR 804 +#define SPRN_EBBRR 805 +#define SPRN_BESCR 806 /* Branch event status & control register */ +#define SPRN_BESCRS 800 /* Branch event status & control set (1 bits set to 1) */ +#define SPRN_BESCRSU 801 /* Branch event status & control set upper */ +#define SPRN_BESCRR 802 /* Branch event status & control REset (1 bits set to 0) */ +#define SPRN_BESCRRU 803 /* Branch event status & control REset upper */ + +#define BESCR_PMEO 0x1 /* PMU Event-based exception Occurred */ +#define BESCR_PME (0x1ul << 32) /* PMU Event-based exception Enable */ + +#define SPRN_PMC1 771 +#define SPRN_PMC2 772 +#define SPRN_PMC3 773 +#define SPRN_PMC4 774 +#define SPRN_PMC5 775 +#define SPRN_PMC6 776 + +#define SPRN_SIAR 780 +#define SPRN_SDAR 781 +#define SPRN_SIER 768 + +#endif /* _SELFTESTS_POWERPC_REG_H */ diff --git a/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c b/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c new file mode 100644 index 00000000000..0cae66f659a --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c @@ -0,0 +1,39 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <stdio.h> +#include <stdlib.h> + +#include "ebb.h" +#include "reg.h" + + +/* + * Test basic access to the EBB regs, they should be user accessible with no + * kernel interaction required. + */ +int reg_access(void) +{ + uint64_t val, expected; + + expected = 0x8000000100000000ull; + mtspr(SPRN_BESCR, expected); + val = mfspr(SPRN_BESCR); + + FAIL_IF(val != expected); + + expected = 0x0000000001000000ull; + mtspr(SPRN_EBBHR, expected); + val = mfspr(SPRN_EBBHR); + + FAIL_IF(val != expected); + + return 0; +} + +int main(void) +{ + return test_harness(reg_access, "reg_access"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c new file mode 100644 index 00000000000..d56607e4ffa --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/task_event_pinned_vs_ebb_test.c @@ -0,0 +1,91 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "ebb.h" + + +/* + * Tests a pinned per-task event vs an EBB - in that order. The pinned per-task + * event should prevent the EBB event from being enabled. + */ + +static int setup_child_event(struct event *event, pid_t child_pid) +{ + event_init_named(event, 0x400FA, "PM_RUN_INST_CMPL"); + + event->attr.pinned = 1; + + event->attr.exclude_kernel = 1; + event->attr.exclude_hv = 1; + event->attr.exclude_idle = 1; + + FAIL_IF(event_open_with_pid(event, child_pid)); + FAIL_IF(event_enable(event)); + + return 0; +} + +int task_event_pinned_vs_ebb(void) +{ + union pipe read_pipe, write_pipe; + struct event event; + pid_t pid; + int rc; + + FAIL_IF(pipe(read_pipe.fds) == -1); + FAIL_IF(pipe(write_pipe.fds) == -1); + + pid = fork(); + if (pid == 0) { + /* NB order of pipes looks reversed */ + exit(ebb_child(write_pipe, read_pipe)); + } + + /* We setup the task event first */ + rc = setup_child_event(&event, pid); + if (rc) { + kill_child_and_wait(pid); + return rc; + } + + /* Signal the child to install its EBB event and wait */ + if (sync_with_child(read_pipe, write_pipe)) + /* If it fails, wait for it to exit */ + goto wait; + + /* Signal the child to run */ + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + +wait: + /* We expect it to fail to read the event */ + FAIL_IF(wait_for_child(pid) != 2); + FAIL_IF(event_disable(&event)); + FAIL_IF(event_read(&event)); + + event_report(&event); + + FAIL_IF(event.result.value == 0); + /* + * For reasons I don't understand enabled is usually just slightly + * lower than running. Would be good to confirm why. + */ + FAIL_IF(event.result.enabled == 0); + FAIL_IF(event.result.running == 0); + + return 0; +} + +int main(void) +{ + return test_harness(task_event_pinned_vs_ebb, "task_event_pinned_vs_ebb"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c b/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c new file mode 100644 index 00000000000..eba32196dbb --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/task_event_vs_ebb_test.c @@ -0,0 +1,83 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "ebb.h" + + +/* + * Tests a per-task event vs an EBB - in that order. The EBB should push the + * per-task event off the PMU. + */ + +static int setup_child_event(struct event *event, pid_t child_pid) +{ + event_init_named(event, 0x400FA, "PM_RUN_INST_CMPL"); + + event->attr.exclude_kernel = 1; + event->attr.exclude_hv = 1; + event->attr.exclude_idle = 1; + + FAIL_IF(event_open_with_pid(event, child_pid)); + FAIL_IF(event_enable(event)); + + return 0; +} + +int task_event_vs_ebb(void) +{ + union pipe read_pipe, write_pipe; + struct event event; + pid_t pid; + int rc; + + FAIL_IF(pipe(read_pipe.fds) == -1); + FAIL_IF(pipe(write_pipe.fds) == -1); + + pid = fork(); + if (pid == 0) { + /* NB order of pipes looks reversed */ + exit(ebb_child(write_pipe, read_pipe)); + } + + /* We setup the task event first */ + rc = setup_child_event(&event, pid); + if (rc) { + kill_child_and_wait(pid); + return rc; + } + + /* Signal the child to install its EBB event and wait */ + if (sync_with_child(read_pipe, write_pipe)) + /* If it fails, wait for it to exit */ + goto wait; + + /* Signal the child to run */ + FAIL_IF(sync_with_child(read_pipe, write_pipe)); + +wait: + /* The EBB event should push the task event off so the child should succeed */ + FAIL_IF(wait_for_child(pid)); + FAIL_IF(event_disable(&event)); + FAIL_IF(event_read(&event)); + + event_report(&event); + + /* The task event may have run, or not so we can't assert anything about it */ + + return 0; +} + +int main(void) +{ + return test_harness(task_event_vs_ebb, "task_event_vs_ebb"); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/trace.c b/tools/testing/selftests/powerpc/pmu/ebb/trace.c new file mode 100644 index 00000000000..251e66ab2aa --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/trace.c @@ -0,0 +1,300 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> + +#include "trace.h" + + +struct trace_buffer *trace_buffer_allocate(u64 size) +{ + struct trace_buffer *tb; + + if (size < sizeof(*tb)) { + fprintf(stderr, "Error: trace buffer too small\n"); + return NULL; + } + + tb = mmap(NULL, size, PROT_READ | PROT_WRITE, + MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + if (tb == MAP_FAILED) { + perror("mmap"); + return NULL; + } + + tb->size = size; + tb->tail = tb->data; + tb->overflow = false; + + return tb; +} + +static bool trace_check_bounds(struct trace_buffer *tb, void *p) +{ + return p < ((void *)tb + tb->size); +} + +static bool trace_check_alloc(struct trace_buffer *tb, void *p) +{ + /* + * If we ever overflowed don't allow any more input. This prevents us + * from dropping a large item and then later logging a small one. The + * buffer should just stop when overflow happened, not be patchy. If + * you're overflowing, make your buffer bigger. + */ + if (tb->overflow) + return false; + + if (!trace_check_bounds(tb, p)) { + tb->overflow = true; + return false; + } + + return true; +} + +static void *trace_alloc(struct trace_buffer *tb, int bytes) +{ + void *p, *newtail; + + p = tb->tail; + newtail = tb->tail + bytes; + if (!trace_check_alloc(tb, newtail)) + return NULL; + + tb->tail = newtail; + + return p; +} + +static struct trace_entry *trace_alloc_entry(struct trace_buffer *tb, int payload_size) +{ + struct trace_entry *e; + + e = trace_alloc(tb, sizeof(*e) + payload_size); + if (e) + e->length = payload_size; + + return e; +} + +int trace_log_reg(struct trace_buffer *tb, u64 reg, u64 value) +{ + struct trace_entry *e; + u64 *p; + + e = trace_alloc_entry(tb, sizeof(reg) + sizeof(value)); + if (!e) + return -ENOSPC; + + e->type = TRACE_TYPE_REG; + p = (u64 *)e->data; + *p++ = reg; + *p++ = value; + + return 0; +} + +int trace_log_counter(struct trace_buffer *tb, u64 value) +{ + struct trace_entry *e; + u64 *p; + + e = trace_alloc_entry(tb, sizeof(value)); + if (!e) + return -ENOSPC; + + e->type = TRACE_TYPE_COUNTER; + p = (u64 *)e->data; + *p++ = value; + + return 0; +} + +int trace_log_string(struct trace_buffer *tb, char *str) +{ + struct trace_entry *e; + char *p; + int len; + + len = strlen(str); + + /* We NULL terminate to make printing easier */ + e = trace_alloc_entry(tb, len + 1); + if (!e) + return -ENOSPC; + + e->type = TRACE_TYPE_STRING; + p = (char *)e->data; + memcpy(p, str, len); + p += len; + *p = '\0'; + + return 0; +} + +int trace_log_indent(struct trace_buffer *tb) +{ + struct trace_entry *e; + + e = trace_alloc_entry(tb, 0); + if (!e) + return -ENOSPC; + + e->type = TRACE_TYPE_INDENT; + + return 0; +} + +int trace_log_outdent(struct trace_buffer *tb) +{ + struct trace_entry *e; + + e = trace_alloc_entry(tb, 0); + if (!e) + return -ENOSPC; + + e->type = TRACE_TYPE_OUTDENT; + + return 0; +} + +static void trace_print_header(int seq, int prefix) +{ + printf("%*s[%d]: ", prefix, "", seq); +} + +static char *trace_decode_reg(int reg) +{ + switch (reg) { + case 769: return "SPRN_MMCR2"; break; + case 770: return "SPRN_MMCRA"; break; + case 779: return "SPRN_MMCR0"; break; + case 804: return "SPRN_EBBHR"; break; + case 805: return "SPRN_EBBRR"; break; + case 806: return "SPRN_BESCR"; break; + case 800: return "SPRN_BESCRS"; break; + case 801: return "SPRN_BESCRSU"; break; + case 802: return "SPRN_BESCRR"; break; + case 803: return "SPRN_BESCRRU"; break; + case 771: return "SPRN_PMC1"; break; + case 772: return "SPRN_PMC2"; break; + case 773: return "SPRN_PMC3"; break; + case 774: return "SPRN_PMC4"; break; + case 775: return "SPRN_PMC5"; break; + case 776: return "SPRN_PMC6"; break; + case 780: return "SPRN_SIAR"; break; + case 781: return "SPRN_SDAR"; break; + case 768: return "SPRN_SIER"; break; + } + + return NULL; +} + +static void trace_print_reg(struct trace_entry *e) +{ + u64 *p, *reg, *value; + char *name; + + p = (u64 *)e->data; + reg = p++; + value = p; + + name = trace_decode_reg(*reg); + if (name) + printf("register %-10s = 0x%016llx\n", name, *value); + else + printf("register %lld = 0x%016llx\n", *reg, *value); +} + +static void trace_print_counter(struct trace_entry *e) +{ + u64 *value; + + value = (u64 *)e->data; + printf("counter = %lld\n", *value); +} + +static void trace_print_string(struct trace_entry *e) +{ + char *str; + + str = (char *)e->data; + puts(str); +} + +#define BASE_PREFIX 2 +#define PREFIX_DELTA 8 + +static void trace_print_entry(struct trace_entry *e, int seq, int *prefix) +{ + switch (e->type) { + case TRACE_TYPE_REG: + trace_print_header(seq, *prefix); + trace_print_reg(e); + break; + case TRACE_TYPE_COUNTER: + trace_print_header(seq, *prefix); + trace_print_counter(e); + break; + case TRACE_TYPE_STRING: + trace_print_header(seq, *prefix); + trace_print_string(e); + break; + case TRACE_TYPE_INDENT: + trace_print_header(seq, *prefix); + puts("{"); + *prefix += PREFIX_DELTA; + break; + case TRACE_TYPE_OUTDENT: + *prefix -= PREFIX_DELTA; + if (*prefix < BASE_PREFIX) + *prefix = BASE_PREFIX; + trace_print_header(seq, *prefix); + puts("}"); + break; + default: + trace_print_header(seq, *prefix); + printf("entry @ %p type %d\n", e, e->type); + break; + } +} + +void trace_buffer_print(struct trace_buffer *tb) +{ + struct trace_entry *e; + int i, prefix; + void *p; + + printf("Trace buffer dump:\n"); + printf(" address %p \n", tb); + printf(" tail %p\n", tb->tail); + printf(" size %llu\n", tb->size); + printf(" overflow %s\n", tb->overflow ? "TRUE" : "false"); + printf(" Content:\n"); + + p = tb->data; + + i = 0; + prefix = BASE_PREFIX; + + while (trace_check_bounds(tb, p) && p < tb->tail) { + e = p; + + trace_print_entry(e, i, &prefix); + + i++; + p = (void *)e + sizeof(*e) + e->length; + } +} + +void trace_print_location(struct trace_buffer *tb) +{ + printf("Trace buffer 0x%llx bytes @ %p\n", tb->size, tb); +} diff --git a/tools/testing/selftests/powerpc/pmu/ebb/trace.h b/tools/testing/selftests/powerpc/pmu/ebb/trace.h new file mode 100644 index 00000000000..926458e28c8 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/trace.h @@ -0,0 +1,41 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#ifndef _SELFTESTS_POWERPC_PMU_EBB_TRACE_H +#define _SELFTESTS_POWERPC_PMU_EBB_TRACE_H + +#include "utils.h" + +#define TRACE_TYPE_REG 1 +#define TRACE_TYPE_COUNTER 2 +#define TRACE_TYPE_STRING 3 +#define TRACE_TYPE_INDENT 4 +#define TRACE_TYPE_OUTDENT 5 + +struct trace_entry +{ + u8 type; + u8 length; + u8 data[0]; +}; + +struct trace_buffer +{ + u64 size; + bool overflow; + void *tail; + u8 data[0]; +}; + +struct trace_buffer *trace_buffer_allocate(u64 size); +int trace_log_reg(struct trace_buffer *tb, u64 reg, u64 value); +int trace_log_counter(struct trace_buffer *tb, u64 value); +int trace_log_string(struct trace_buffer *tb, char *str); +int trace_log_indent(struct trace_buffer *tb); +int trace_log_outdent(struct trace_buffer *tb); +void trace_buffer_print(struct trace_buffer *tb); +void trace_print_location(struct trace_buffer *tb); + +#endif /* _SELFTESTS_POWERPC_PMU_EBB_TRACE_H */ diff --git a/tools/testing/selftests/powerpc/pmu/event.c b/tools/testing/selftests/powerpc/pmu/event.c index 2b2d11df245..184b36807d4 100644 --- a/tools/testing/selftests/powerpc/pmu/event.c +++ b/tools/testing/selftests/powerpc/pmu/event.c @@ -39,7 +39,13 @@ void event_init_named(struct event *e, u64 config, char *name) event_init_opts(e, config, PERF_TYPE_RAW, name); } +void event_init(struct event *e, u64 config) +{ + event_init_opts(e, config, PERF_TYPE_RAW, "event"); +} + #define PERF_CURRENT_PID 0 +#define PERF_NO_PID -1 #define PERF_NO_CPU -1 #define PERF_NO_GROUP -1 @@ -59,6 +65,16 @@ int event_open_with_group(struct event *e, int group_fd) return event_open_with_options(e, PERF_CURRENT_PID, PERF_NO_CPU, group_fd); } +int event_open_with_pid(struct event *e, pid_t pid) +{ + return event_open_with_options(e, pid, PERF_NO_CPU, PERF_NO_GROUP); +} + +int event_open_with_cpu(struct event *e, int cpu) +{ + return event_open_with_options(e, PERF_NO_PID, cpu, PERF_NO_GROUP); +} + int event_open(struct event *e) { return event_open_with_options(e, PERF_CURRENT_PID, PERF_NO_CPU, PERF_NO_GROUP); @@ -69,6 +85,16 @@ void event_close(struct event *e) close(e->fd); } +int event_enable(struct event *e) +{ + return ioctl(e->fd, PERF_EVENT_IOC_ENABLE); +} + +int event_disable(struct event *e) +{ + return ioctl(e->fd, PERF_EVENT_IOC_DISABLE); +} + int event_reset(struct event *e) { return ioctl(e->fd, PERF_EVENT_IOC_RESET); diff --git a/tools/testing/selftests/powerpc/pmu/event.h b/tools/testing/selftests/powerpc/pmu/event.h index e6993192ff3..a0ea6b1eef7 100644 --- a/tools/testing/selftests/powerpc/pmu/event.h +++ b/tools/testing/selftests/powerpc/pmu/event.h @@ -29,8 +29,12 @@ void event_init_named(struct event *e, u64 config, char *name); void event_init_opts(struct event *e, u64 config, int type, char *name); int event_open_with_options(struct event *e, pid_t pid, int cpu, int group_fd); int event_open_with_group(struct event *e, int group_fd); +int event_open_with_pid(struct event *e, pid_t pid); +int event_open_with_cpu(struct event *e, int cpu); int event_open(struct event *e); void event_close(struct event *e); +int event_enable(struct event *e); +int event_disable(struct event *e); int event_reset(struct event *e); int event_read(struct event *e); void event_report_justified(struct event *e, int name_width, int result_width); diff --git a/tools/testing/selftests/powerpc/pmu/lib.c b/tools/testing/selftests/powerpc/pmu/lib.c new file mode 100644 index 00000000000..0f6a4731d54 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/lib.c @@ -0,0 +1,252 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#define _GNU_SOURCE /* For CPU_ZERO etc. */ + +#include <errno.h> +#include <sched.h> +#include <setjmp.h> +#include <stdlib.h> +#include <sys/wait.h> + +#include "utils.h" +#include "lib.h" + + +int pick_online_cpu(void) +{ + cpu_set_t mask; + int cpu; + + CPU_ZERO(&mask); + + if (sched_getaffinity(0, sizeof(mask), &mask)) { + perror("sched_getaffinity"); + return -1; + } + + /* We prefer a primary thread, but skip 0 */ + for (cpu = 8; cpu < CPU_SETSIZE; cpu += 8) + if (CPU_ISSET(cpu, &mask)) + return cpu; + + /* Search for anything, but in reverse */ + for (cpu = CPU_SETSIZE - 1; cpu >= 0; cpu--) + if (CPU_ISSET(cpu, &mask)) + return cpu; + + printf("No cpus in affinity mask?!\n"); + return -1; +} + +int bind_to_cpu(int cpu) +{ + cpu_set_t mask; + + printf("Binding to cpu %d\n", cpu); + + CPU_ZERO(&mask); + CPU_SET(cpu, &mask); + + return sched_setaffinity(0, sizeof(mask), &mask); +} + +#define PARENT_TOKEN 0xAA +#define CHILD_TOKEN 0x55 + +int sync_with_child(union pipe read_pipe, union pipe write_pipe) +{ + char c = PARENT_TOKEN; + + FAIL_IF(write(write_pipe.write_fd, &c, 1) != 1); + FAIL_IF(read(read_pipe.read_fd, &c, 1) != 1); + if (c != CHILD_TOKEN) /* sometimes expected */ + return 1; + + return 0; +} + +int wait_for_parent(union pipe read_pipe) +{ + char c; + + FAIL_IF(read(read_pipe.read_fd, &c, 1) != 1); + FAIL_IF(c != PARENT_TOKEN); + + return 0; +} + +int notify_parent(union pipe write_pipe) +{ + char c = CHILD_TOKEN; + + FAIL_IF(write(write_pipe.write_fd, &c, 1) != 1); + + return 0; +} + +int notify_parent_of_error(union pipe write_pipe) +{ + char c = ~CHILD_TOKEN; + + FAIL_IF(write(write_pipe.write_fd, &c, 1) != 1); + + return 0; +} + +int wait_for_child(pid_t child_pid) +{ + int rc; + + if (waitpid(child_pid, &rc, 0) == -1) { + perror("waitpid"); + return 1; + } + + if (WIFEXITED(rc)) + rc = WEXITSTATUS(rc); + else + rc = 1; /* Signal or other */ + + return rc; +} + +int kill_child_and_wait(pid_t child_pid) +{ + kill(child_pid, SIGTERM); + + return wait_for_child(child_pid); +} + +static int eat_cpu_child(union pipe read_pipe, union pipe write_pipe) +{ + volatile int i = 0; + + /* + * We are just here to eat cpu and die. So make sure we can be killed, + * and also don't do any custom SIGTERM handling. + */ + signal(SIGTERM, SIG_DFL); + + notify_parent(write_pipe); + wait_for_parent(read_pipe); + + /* Soak up cpu forever */ + while (1) i++; + + return 0; +} + +pid_t eat_cpu(int (test_function)(void)) +{ + union pipe read_pipe, write_pipe; + int cpu, rc; + pid_t pid; + + cpu = pick_online_cpu(); + FAIL_IF(cpu < 0); + FAIL_IF(bind_to_cpu(cpu)); + + if (pipe(read_pipe.fds) == -1) + return -1; + + if (pipe(write_pipe.fds) == -1) + return -1; + + pid = fork(); + if (pid == 0) + exit(eat_cpu_child(write_pipe, read_pipe)); + + if (sync_with_child(read_pipe, write_pipe)) { + rc = -1; + goto out; + } + + printf("main test running as pid %d\n", getpid()); + + rc = test_function(); +out: + kill(pid, SIGKILL); + + return rc; +} + +struct addr_range libc, vdso; + +int parse_proc_maps(void) +{ + char execute, name[128]; + uint64_t start, end; + FILE *f; + int rc; + + f = fopen("/proc/self/maps", "r"); + if (!f) { + perror("fopen"); + return -1; + } + + do { + /* This skips line with no executable which is what we want */ + rc = fscanf(f, "%lx-%lx %*c%*c%c%*c %*x %*d:%*d %*d %127s\n", + &start, &end, &execute, name); + if (rc <= 0) + break; + + if (execute != 'x') + continue; + + if (strstr(name, "libc")) { + libc.first = start; + libc.last = end - 1; + } else if (strstr(name, "[vdso]")) { + vdso.first = start; + vdso.last = end - 1; + } + } while(1); + + fclose(f); + + return 0; +} + +#define PARANOID_PATH "/proc/sys/kernel/perf_event_paranoid" + +bool require_paranoia_below(int level) +{ + unsigned long current; + char *end, buf[16]; + FILE *f; + int rc; + + rc = -1; + + f = fopen(PARANOID_PATH, "r"); + if (!f) { + perror("fopen"); + goto out; + } + + if (!fgets(buf, sizeof(buf), f)) { + printf("Couldn't read " PARANOID_PATH "?\n"); + goto out_close; + } + + current = strtoul(buf, &end, 10); + + if (end == buf) { + printf("Couldn't parse " PARANOID_PATH "?\n"); + goto out_close; + } + + if (current >= level) + goto out; + + rc = 0; +out_close: + fclose(f); +out: + return rc; +} diff --git a/tools/testing/selftests/powerpc/pmu/lib.h b/tools/testing/selftests/powerpc/pmu/lib.h new file mode 100644 index 00000000000..ca5d72ae3be --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/lib.h @@ -0,0 +1,41 @@ +/* + * Copyright 2014, Michael Ellerman, IBM Corp. + * Licensed under GPLv2. + */ + +#ifndef __SELFTESTS_POWERPC_PMU_LIB_H +#define __SELFTESTS_POWERPC_PMU_LIB_H + +#include <stdio.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> + +union pipe { + struct { + int read_fd; + int write_fd; + }; + int fds[2]; +}; + +extern int pick_online_cpu(void); +extern int bind_to_cpu(int cpu); +extern int kill_child_and_wait(pid_t child_pid); +extern int wait_for_child(pid_t child_pid); +extern int sync_with_child(union pipe read_pipe, union pipe write_pipe); +extern int wait_for_parent(union pipe read_pipe); +extern int notify_parent(union pipe write_pipe); +extern int notify_parent_of_error(union pipe write_pipe); +extern pid_t eat_cpu(int (test_function)(void)); +extern bool require_paranoia_below(int level); + +struct addr_range { + uint64_t first, last; +}; + +extern struct addr_range libc, vdso; + +int parse_proc_maps(void); + +#endif /* __SELFTESTS_POWERPC_PMU_LIB_H */ diff --git a/tools/testing/selftests/powerpc/pmu/loop.S b/tools/testing/selftests/powerpc/pmu/loop.S index 8820e3df144..20c1f0876c4 100644 --- a/tools/testing/selftests/powerpc/pmu/loop.S +++ b/tools/testing/selftests/powerpc/pmu/loop.S @@ -3,44 +3,41 @@ * Licensed under GPLv2. */ +#include <ppc-asm.h> + .text - .global thirty_two_instruction_loop - .type .thirty_two_instruction_loop,@function - .section ".opd","aw",@progbits -thirty_two_instruction_loop: - .quad .thirty_two_instruction_loop, .TOC.@tocbase, 0 - .previous -.thirty_two_instruction_loop: - cmpwi %r3,0 +FUNC_START(thirty_two_instruction_loop) + cmpdi r3,0 beqlr - addi %r4,%r3,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 - addi %r4,%r4,1 # 28 addi's - subi %r3,%r3,1 - b .thirty_two_instruction_loop + addi r4,r3,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 + addi r4,r4,1 # 28 addi's + subi r3,r3,1 + b FUNC_NAME(thirty_two_instruction_loop) +FUNC_END(thirty_two_instruction_loop) diff --git a/tools/testing/selftests/powerpc/subunit.h b/tools/testing/selftests/powerpc/subunit.h index 98a22920792..9c6c4e901ab 100644 --- a/tools/testing/selftests/powerpc/subunit.h +++ b/tools/testing/selftests/powerpc/subunit.h @@ -26,6 +26,11 @@ static inline void test_error(char *name) printf("error: %s\n", name); } +static inline void test_skip(char *name) +{ + printf("skip: %s\n", name); +} + static inline void test_success(char *name) { printf("success: %s\n", name); diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile new file mode 100644 index 00000000000..2cede239a07 --- /dev/null +++ b/tools/testing/selftests/powerpc/tm/Makefile @@ -0,0 +1,15 @@ +PROGS := tm-resched-dscr + +all: $(PROGS) + +$(PROGS): ../harness.c + +run_tests: all + @-for PROG in $(PROGS); do \ + ./$$PROG; \ + done; + +clean: + rm -f $(PROGS) *.o + +.PHONY: all run_tests clean diff --git a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c new file mode 100644 index 00000000000..42d4c8caad8 --- /dev/null +++ b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c @@ -0,0 +1,98 @@ +/* Test context switching to see if the DSCR SPR is correctly preserved + * when within a transaction. + * + * Note: We assume that the DSCR has been left at the default value (0) + * for all CPUs. + * + * Method: + * + * Set a value into the DSCR. + * + * Start a transaction, and suspend it (*). + * + * Hard loop checking to see if the transaction has become doomed. + * + * Now that we *may* have been preempted, record the DSCR and TEXASR SPRS. + * + * If the abort was because of a context switch, check the DSCR value. + * Otherwise, try again. + * + * (*) If the transaction is not suspended we can't see the problem because + * the transaction abort handler will restore the DSCR to it's checkpointed + * value before we regain control. + */ + +#include <inttypes.h> +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> +#include <asm/tm.h> + +#include "utils.h" + +#define TBEGIN ".long 0x7C00051D ;" +#define TEND ".long 0x7C00055D ;" +#define TCHECK ".long 0x7C00059C ;" +#define TSUSPEND ".long 0x7C0005DD ;" +#define TRESUME ".long 0x7C2005DD ;" +#define SPRN_TEXASR 0x82 +#define SPRN_DSCR 0x03 + +int test_body(void) +{ + uint64_t rv, dscr1 = 1, dscr2, texasr; + + printf("Check DSCR TM context switch: "); + fflush(stdout); + for (;;) { + rv = 1; + asm __volatile__ ( + /* set a known value into the DSCR */ + "ld 3, %[dscr1];" + "mtspr %[sprn_dscr], 3;" + + /* start and suspend a transaction */ + TBEGIN + "beq 1f;" + TSUSPEND + + /* hard loop until the transaction becomes doomed */ + "2: ;" + TCHECK + "bc 4, 0, 2b;" + + /* record DSCR and TEXASR */ + "mfspr 3, %[sprn_dscr];" + "std 3, %[dscr2];" + "mfspr 3, %[sprn_texasr];" + "std 3, %[texasr];" + + TRESUME + TEND + "li %[rv], 0;" + "1: ;" + : [rv]"=r"(rv), [dscr2]"=m"(dscr2), [texasr]"=m"(texasr) + : [dscr1]"m"(dscr1) + , [sprn_dscr]"i"(SPRN_DSCR), [sprn_texasr]"i"(SPRN_TEXASR) + : "memory", "r3" + ); + assert(rv); /* make sure the transaction aborted */ + if ((texasr >> 56) != TM_CAUSE_RESCHED) { + putchar('.'); + fflush(stdout); + continue; + } + if (dscr2 != dscr1) { + printf(" FAIL\n"); + return 1; + } else { + printf(" OK\n"); + return 0; + } + } +} + +int main(void) +{ + return test_harness(test_body, "tm_resched_dscr"); +} diff --git a/tools/testing/selftests/powerpc/utils.h b/tools/testing/selftests/powerpc/utils.h index 5851c4b0f55..a93777ae068 100644 --- a/tools/testing/selftests/powerpc/utils.h +++ b/tools/testing/selftests/powerpc/utils.h @@ -31,4 +31,19 @@ do { \ } \ } while (0) +/* The test harness uses this, yes it's gross */ +#define MAGIC_SKIP_RETURN_VALUE 99 + +#define SKIP_IF(x) \ +do { \ + if ((x)) { \ + fprintf(stderr, \ + "[SKIP] Test skipped on line %d\n", __LINE__); \ + return MAGIC_SKIP_RETURN_VALUE; \ + } \ +} while (0) + +#define _str(s) #s +#define str(s) _str(s) + #endif /* _SELFTESTS_POWERPC_UTILS_H */ diff --git a/tools/testing/selftests/rcutorture/.gitignore b/tools/testing/selftests/rcutorture/.gitignore new file mode 100644 index 00000000000..05838f6f2eb --- /dev/null +++ b/tools/testing/selftests/rcutorture/.gitignore @@ -0,0 +1,6 @@ +initrd +linux-2.6 +b[0-9]* +rcu-test-image +res +*.swp diff --git a/tools/testing/selftests/rcutorture/bin/config2frag.sh b/tools/testing/selftests/rcutorture/bin/config2frag.sh new file mode 100644 index 00000000000..9f9ffcd427d --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/config2frag.sh @@ -0,0 +1,25 @@ +#!/bin/sh +# Usage: sh config2frag.sh < .config > configfrag +# +# Converts the "# CONFIG_XXX is not set" to "CONFIG_XXX=n" so that the +# resulting file becomes a legitimate Kconfig fragment. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +LANG=C sed -e 's/^# CONFIG_\([a-zA-Z0-9_]*\) is not set$/CONFIG_\1=n/' diff --git a/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh b/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh new file mode 100755 index 00000000000..43540f1828c --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh @@ -0,0 +1,45 @@ +#!/bin/bash +# +# Extract the number of CPUs expected from the specified Kconfig-file +# fragment by checking CONFIG_SMP and CONFIG_NR_CPUS. If the specified +# file gives no clue, base the number on the number of idle CPUs on +# the system. +# +# Usage: configNR_CPUS.sh config-frag +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +cf=$1 +if test ! -r $cf +then + echo Unreadable config fragment $cf 1>&2 + exit -1 +fi +if grep -q '^CONFIG_SMP=n$' $cf +then + echo 1 + exit 0 +fi +if grep -q '^CONFIG_NR_CPUS=' $cf +then + grep '^CONFIG_NR_CPUS=' $cf | + sed -e 's/^CONFIG_NR_CPUS=\([0-9]*\).*$/\1/' + exit 0 +fi +cpus2use.sh diff --git a/tools/testing/selftests/rcutorture/bin/configcheck.sh b/tools/testing/selftests/rcutorture/bin/configcheck.sh new file mode 100755 index 00000000000..d686537dd55 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/configcheck.sh @@ -0,0 +1,54 @@ +#!/bin/sh +# Usage: sh configcheck.sh .config .config-template +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +T=/tmp/abat-chk-config.sh.$$ +trap 'rm -rf $T' 0 +mkdir $T + +cat $1 > $T/.config + +cat $2 | sed -e 's/\(.*\)=n/# \1 is not set/' -e 's/^#CHECK#//' | +awk ' +BEGIN { + print "if grep -q \"" $0 "\" < '"$T/.config"'"; + print "then"; + print "\t:"; + print "else"; + if ($1 == "#") { + print "\tif grep -q \"" $2 "\" < '"$T/.config"'"; + print "\tthen"; + print "\t\tif test \"$firsttime\" = \"\"" + print "\t\tthen" + print "\t\t\tfirsttime=1" + print "\t\tfi" + print "\t\techo \":" $2 ": improperly set\""; + print "\telse"; + print "\t\t:"; + print "\tfi"; + } else { + print "\tif test \"$firsttime\" = \"\"" + print "\tthen" + print "\t\tfirsttime=1" + print "\tfi" + print "\techo \":" $0 ": improperly set\""; + } + print "fi"; + }' | sh diff --git a/tools/testing/selftests/rcutorture/bin/configinit.sh b/tools/testing/selftests/rcutorture/bin/configinit.sh new file mode 100755 index 00000000000..9c3f3d39b93 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/configinit.sh @@ -0,0 +1,74 @@ +#!/bin/sh +# +# sh configinit.sh config-spec-file [ build output dir ] +# +# Create a .config file from the spec file. Run from the kernel source tree. +# Exits with 0 if all went well, with 1 if all went well but the config +# did not match, and some other number for other failures. +# +# The first argument is the .config specification file, which contains +# desired settings, for example, "CONFIG_NO_HZ=y". For best results, +# this should be a full pathname. +# +# The second argument is a optional path to a build output directory, +# for example, "O=/tmp/foo". If this argument is omitted, the .config +# file will be generated directly in the current directory. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +T=/tmp/configinit.sh.$$ +trap 'rm -rf $T' 0 +mkdir $T + +# Capture config spec file. + +c=$1 +buildloc=$2 +builddir= +if test -n $buildloc +then + if echo $buildloc | grep -q '^O=' + then + builddir=`echo $buildloc | sed -e 's/^O=//'` + if test ! -d $builddir + then + mkdir $builddir + fi + else + echo Bad build directory: \"$builddir\" + exit 2 + fi +fi + +sed -e 's/^\(CONFIG[0-9A-Z_]*\)=.*$/grep -v "^# \1" |/' < $c > $T/u.sh +sed -e 's/^\(CONFIG[0-9A-Z_]*=\).*$/grep -v \1 |/' < $c >> $T/u.sh +grep '^grep' < $T/u.sh > $T/upd.sh +echo "cat - $c" >> $T/upd.sh +make mrproper +make $buildloc distclean > $builddir/Make.distclean 2>&1 +make $buildloc $TORTURE_DEFCONFIG > $builddir/Make.defconfig.out 2>&1 +mv $builddir/.config $builddir/.config.sav +sh $T/upd.sh < $builddir/.config.sav > $builddir/.config +cp $builddir/.config $builddir/.config.new +yes '' | make $buildloc oldconfig > $builddir/Make.modconfig.out 2>&1 + +# verify new config matches specification. +configcheck.sh $builddir/.config $c + +exit 0 diff --git a/tools/testing/selftests/rcutorture/bin/cpus2use.sh b/tools/testing/selftests/rcutorture/bin/cpus2use.sh new file mode 100755 index 00000000000..abe14b7f36e --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/cpus2use.sh @@ -0,0 +1,41 @@ +#!/bin/bash +# +# Get an estimate of how CPU-hoggy to be. +# +# Usage: cpus2use.sh +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +ncpus=`grep '^processor' /proc/cpuinfo | wc -l` +idlecpus=`mpstat | tail -1 | \ + awk -v ncpus=$ncpus '{ print ncpus * ($7 + $12) / 100 }'` +awk -v ncpus=$ncpus -v idlecpus=$idlecpus < /dev/null ' +BEGIN { + cpus2use = idlecpus; + if (cpus2use < 1) + cpus2use = 1; + if (cpus2use < ncpus / 10) + cpus2use = ncpus / 10; + if (cpus2use == int(cpus2use)) + cpus2use = int(cpus2use) + else + cpus2use = int(cpus2use) + 1 + print cpus2use; +}' + diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh new file mode 100644 index 00000000000..d01b865bb10 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/functions.sh @@ -0,0 +1,223 @@ +#!/bin/bash +# +# Shell functions for the rest of the scripts. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +# bootparam_hotplug_cpu bootparam-string +# +# Returns 1 if the specified boot-parameter string tells rcutorture to +# test CPU-hotplug operations. +bootparam_hotplug_cpu () { + echo "$1" | grep -q "rcutorture\.onoff_" +} + +# checkarg --argname argtype $# arg mustmatch cannotmatch +# +# Checks the specified argument "arg" against the mustmatch and cannotmatch +# patterns. +checkarg () { + if test $3 -le 1 + then + echo $1 needs argument $2 matching \"$5\" + usage + fi + if echo "$4" | grep -q -e "$5" + then + : + else + echo $1 $2 \"$4\" must match \"$5\" + usage + fi + if echo "$4" | grep -q -e "$6" + then + echo $1 $2 \"$4\" must not match \"$6\" + usage + fi +} + +# configfrag_boot_params bootparam-string config-fragment-file +# +# Adds boot parameters from the .boot file, if any. +configfrag_boot_params () { + if test -r "$2.boot" + then + echo $1 `grep -v '^#' "$2.boot" | tr '\012' ' '` + else + echo $1 + fi +} + +# configfrag_hotplug_cpu config-fragment-file +# +# Returns 1 if the config fragment specifies hotplug CPU. +configfrag_hotplug_cpu () { + if test ! -r "$1" + then + echo Unreadable config fragment "$1" 1>&2 + exit -1 + fi + grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1" +} + +# identify_boot_image qemu-cmd +# +# Returns the relative path to the kernel build image. This will be +# arch/<arch>/boot/bzImage unless overridden with the TORTURE_BOOT_IMAGE +# environment variable. +identify_boot_image () { + if test -n "$TORTURE_BOOT_IMAGE" + then + echo $TORTURE_BOOT_IMAGE + else + case "$1" in + qemu-system-x86_64|qemu-system-i386) + echo arch/x86/boot/bzImage + ;; + qemu-system-ppc64) + echo arch/powerpc/boot/bzImage + ;; + *) + echo "" + ;; + esac + fi +} + +# identify_qemu builddir +# +# Returns our best guess as to which qemu command is appropriate for +# the kernel at hand. Override with the TORTURE_QEMU_CMD environment variable. +identify_qemu () { + local u="`file "$1"`" + if test -n "$TORTURE_QEMU_CMD" + then + echo $TORTURE_QEMU_CMD + elif echo $u | grep -q x86-64 + then + echo qemu-system-x86_64 + elif echo $u | grep -q "Intel 80386" + then + echo qemu-system-i386 + elif uname -a | grep -q ppc64 + then + echo qemu-system-ppc64 + else + echo Cannot figure out what qemu command to use! 1>&2 + echo file $1 output: $u + # Usually this will be one of /usr/bin/qemu-system-* + # Use TORTURE_QEMU_CMD environment variable or appropriate + # argument to top-level script. + exit 1 + fi +} + +# identify_qemu_append qemu-cmd +# +# Output arguments for the qemu "-append" string based on CPU type +# and the TORTURE_QEMU_INTERACTIVE environment variable. +identify_qemu_append () { + case "$1" in + qemu-system-x86_64|qemu-system-i386) + echo noapic selinux=0 initcall_debug debug + ;; + esac + if test -n "$TORTURE_QEMU_INTERACTIVE" + then + echo root=/dev/sda + else + echo console=ttyS0 + fi +} + +# identify_qemu_args qemu-cmd serial-file +# +# Output arguments for qemu arguments based on the TORTURE_QEMU_MAC +# and TORTURE_QEMU_INTERACTIVE environment variables. +identify_qemu_args () { + case "$1" in + qemu-system-x86_64|qemu-system-i386) + ;; + qemu-system-ppc64) + echo -enable-kvm -M pseries -cpu POWER7 -nodefaults + echo -device spapr-vscsi + if test -n "$TORTURE_QEMU_INTERACTIVE" -a -n "$TORTURE_QEMU_MAC" + then + echo -device spapr-vlan,netdev=net0,mac=$TORTURE_QEMU_MAC + echo -netdev bridge,br=br0,id=net0 + elif test -n "$TORTURE_QEMU_INTERACTIVE" + then + echo -net nic -net user + fi + ;; + esac + if test -n "$TORTURE_QEMU_INTERACTIVE" + then + echo -monitor stdio -serial pty -S + else + echo -serial file:$2 + fi +} + +# identify_qemu_vcpus +# +# Returns the number of virtual CPUs available to the aggregate of the +# guest OSes. +identify_qemu_vcpus () { + lscpu | grep '^CPU(s):' | sed -e 's/CPU(s)://' +} + +# print_bug +# +# Prints "BUG: " in red followed by remaining arguments +print_bug () { + printf '\033[031mBUG: \033[m' + echo $* +} + +# print_warning +# +# Prints "WARNING: " in yellow followed by remaining arguments +print_warning () { + printf '\033[033mWARNING: \033[m' + echo $* +} + +# specify_qemu_cpus qemu-cmd qemu-args #cpus +# +# Appends a string containing "-smp XXX" to qemu-args, unless the incoming +# qemu-args already contains "-smp". +specify_qemu_cpus () { + local nt; + + if echo $2 | grep -q -e -smp + then + echo $2 + else + case "$1" in + qemu-system-x86_64|qemu-system-i386) + echo $2 -smp $3 + ;; + qemu-system-ppc64) + nt="`lscpu | grep '^NUMA node0' | sed -e 's/^[^,]*,\([0-9]*\),.*$/\1/'`" + echo $2 -smp cores=`expr \( $3 + $nt - 1 \) / $nt`,threads=$nt + ;; + esac + fi +} diff --git a/tools/testing/selftests/rcutorture/bin/kvm-build.sh b/tools/testing/selftests/rcutorture/bin/kvm-build.sh new file mode 100755 index 00000000000..7c1e56b46de --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/kvm-build.sh @@ -0,0 +1,71 @@ +#!/bin/bash +# +# Build a kvm-ready Linux kernel from the tree in the current directory. +# +# Usage: sh kvm-build.sh config-template build-dir more-configs +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +config_template=${1} +if test -z "$config_template" -o ! -f "$config_template" -o ! -r "$config_template" +then + echo "kvm-build.sh :$config_template: Not a readable file" + exit 1 +fi +builddir=${2} +if test -z "$builddir" -o ! -d "$builddir" -o ! -w "$builddir" +then + echo "kvm-build.sh :$builddir: Not a writable directory, cannot build into it" + exit 1 +fi +moreconfigs=${3} +if test -z "$moreconfigs" -o ! -r "$moreconfigs" +then + echo "kvm-build.sh :$moreconfigs: Not a readable file" + exit 1 +fi + +T=/tmp/test-linux.sh.$$ +trap 'rm -rf $T' 0 +mkdir $T + +grep -v 'CONFIG_[A-Z]*_TORTURE_TEST' < ${config_template} > $T/config +cat << ___EOF___ >> $T/config +CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD" +CONFIG_VIRTIO_PCI=y +CONFIG_VIRTIO_CONSOLE=y +___EOF___ +cat $moreconfigs >> $T/config + +configinit.sh $T/config O=$builddir +retval=$? +if test $retval -gt 1 +then + exit 2 +fi +ncpus=`cpus2use.sh` +make O=$builddir -j$ncpus $TORTURE_KMAKE_ARG > $builddir/Make.out 2>&1 +retval=$? +if test $retval -ne 0 || grep "rcu[^/]*": < $builddir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $builddir/Make.out +then + echo Kernel build error + egrep "Stop|Error|error:|warning:" < $builddir/Make.out + echo Run aborted. + exit 3 +fi diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh new file mode 100755 index 00000000000..7f1ff1a8fc4 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh @@ -0,0 +1,51 @@ +#!/bin/bash +# +# Analyze a given results directory for locktorture progress. +# +# Usage: sh kvm-recheck-lock.sh resdir +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2014 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +i="$1" +if test -d $i +then + : +else + echo Unreadable results directory: $i + exit 1 +fi + +configfile=`echo $i | sed -e 's/^.*\///'` +ncs=`grep "Writes: Total:" $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* Total: //' -e 's/ .*$//'` +if test -z "$ncs" +then + echo "$configfile -------" +else + title="$configfile ------- $ncs acquisitions/releases" + dur=`sed -e 's/^.* locktorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null` + if test -z "$dur" + then + : + else + ncsps=`awk -v ncs=$ncs -v dur=$dur ' + BEGIN { print ncs / dur }' < /dev/null` + title="$title ($ncsps per second)" + fi + echo $title +fi diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh new file mode 100755 index 00000000000..307c4b95f32 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh @@ -0,0 +1,51 @@ +#!/bin/bash +# +# Analyze a given results directory for rcutorture progress. +# +# Usage: sh kvm-recheck-rcu.sh resdir +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2014 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +i="$1" +if test -d $i +then + : +else + echo Unreadable results directory: $i + exit 1 +fi + +configfile=`echo $i | sed -e 's/^.*\///'` +ngps=`grep ver: $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* ver: //' -e 's/ .*$//'` +if test -z "$ngps" +then + echo "$configfile -------" +else + title="$configfile ------- $ngps grace periods" + dur=`sed -e 's/^.* rcutorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null` + if test -z "$dur" + then + : + else + ngpsps=`awk -v ngps=$ngps -v dur=$dur ' + BEGIN { print ngps / dur }' < /dev/null` + title="$title ($ngpsps per second)" + fi + echo $title +fi diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh new file mode 100755 index 00000000000..ee1f6cae3d7 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh @@ -0,0 +1,63 @@ +#!/bin/bash +# +# Given the results directories for previous KVM-based torture runs, +# check the build and console output for errors. Given a directory +# containing results directories, this recursively checks them all. +# +# Usage: sh kvm-recheck.sh resdir ... +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +PATH=`pwd`/tools/testing/selftests/rcutorture/bin:$PATH; export PATH +. tools/testing/selftests/rcutorture/bin/functions.sh +for rd in "$@" +do + firsttime=1 + dirs=`find $rd -name Make.defconfig.out -print | sort | sed -e 's,/[^/]*$,,' | sort -u` + for i in $dirs + do + if test -n "$firsttime" + then + firsttime="" + resdir=`echo $i | sed -e 's,/$,,' -e 's,/[^/]*$,,'` + head -1 $resdir/log + fi + TORTURE_SUITE="`cat $i/../TORTURE_SUITE`" + kvm-recheck-${TORTURE_SUITE}.sh $i + if test -f "$i/console.log" + then + configcheck.sh $i/.config $i/ConfigFragment + parse-build.sh $i/Make.out $configfile + parse-torture.sh $i/console.log $configfile + parse-console.sh $i/console.log $configfile + if test -r $i/Warnings + then + cat $i/Warnings + fi + else + if test -f "$i/qemu-cmd" + then + print_bug qemu failed + else + print_bug Build failed + fi + echo " $i" + fi + done +done diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh new file mode 100755 index 00000000000..27e544e2951 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh @@ -0,0 +1,222 @@ +#!/bin/bash +# +# Run a kvm-based test of the specified tree on the specified configs. +# Fully automated run and error checking, no graphics console. +# +# Execute this in the source tree. Do not run it as a background task +# because qemu does not seem to like that much. +# +# Usage: sh kvm-test-1-run.sh config builddir resdir minutes qemu-args boot_args +# +# qemu-args defaults to "-nographic", along with arguments specifying the +# number of CPUs and other options generated from +# the underlying CPU architecture. +# boot_args defaults to value returned by the per_version_boot_params +# shell function. +# +# Anything you specify for either qemu-args or boot_args is appended to +# the default values. The "-smp" value is deduced from the contents of +# the config fragment. +# +# More sophisticated argument parsing is clearly needed. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +grace=120 + +T=/tmp/kvm-test-1-run.sh.$$ +trap 'rm -rf $T' 0 + +. $KVM/bin/functions.sh +. $KVPATH/ver_functions.sh + +config_template=${1} +config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'` +title=`echo $config_template | sed -e 's/^.*\///'` +builddir=${2} +if test -z "$builddir" -o ! -d "$builddir" -o ! -w "$builddir" +then + echo "kvm-test-1-run.sh :$builddir: Not a writable directory, cannot build into it" + exit 1 +fi +resdir=${3} +if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir" +then + echo "kvm-test-1-run.sh :$resdir: Not a writable directory, cannot store results into it" + exit 1 +fi +cp $config_template $resdir/ConfigFragment +echo ' ---' `date`: Starting build +echo ' ---' Kconfig fragment at: $config_template >> $resdir/log +if test -r "$config_dir/CFcommon" +then + cat < $config_dir/CFcommon >> $T +fi +# Optimizations below this point +# CONFIG_USB=n +# CONFIG_SECURITY=n +# CONFIG_NFS_FS=n +# CONFIG_SOUND=n +# CONFIG_INPUT_JOYSTICK=n +# CONFIG_INPUT_TABLET=n +# CONFIG_INPUT_TOUCHSCREEN=n +# CONFIG_INPUT_MISC=n +# CONFIG_INPUT_MOUSE=n +# # CONFIG_NET=n # disables console access, so accept the slower build. +# CONFIG_SCSI=n +# CONFIG_ATA=n +# CONFIG_FAT_FS=n +# CONFIG_MSDOS_FS=n +# CONFIG_VFAT_FS=n +# CONFIG_ISO9660_FS=n +# CONFIG_QUOTA=n +# CONFIG_HID=n +# CONFIG_CRYPTO=n +# CONFIG_PCCARD=n +# CONFIG_PCMCIA=n +# CONFIG_CARDBUS=n +# CONFIG_YENTA=n +if kvm-build.sh $config_template $builddir $T +then + QEMU="`identify_qemu $builddir/vmlinux`" + BOOT_IMAGE="`identify_boot_image $QEMU`" + cp $builddir/Make*.out $resdir + cp $builddir/.config $resdir + if test -n "$BOOT_IMAGE" + then + cp $builddir/$BOOT_IMAGE $resdir + else + echo No identifiable boot image, not running KVM, see $resdir. + echo Do the torture scripts know about your architecture? + fi + parse-build.sh $resdir/Make.out $title + if test -f $builddir.wait + then + mv $builddir.wait $builddir.ready + fi +else + cp $builddir/Make*.out $resdir + cp $builddir/.config $resdir || : + echo Build failed, not running KVM, see $resdir. + if test -f $builddir.wait + then + mv $builddir.wait $builddir.ready + fi + exit 1 +fi +while test -f $builddir.ready +do + sleep 1 +done +minutes=$4 +seconds=$(($minutes * 60)) +qemu_args=$5 +boot_args=$6 + +cd $KVM +kstarttime=`awk 'BEGIN { print systime() }' < /dev/null` +echo ' ---' `date`: Starting kernel + +# Generate -smp qemu argument. +qemu_args="-nographic $qemu_args" +cpu_count=`configNR_CPUS.sh $config_template` +vcpus=`identify_qemu_vcpus` +if test $cpu_count -gt $vcpus +then + echo CPU count limited from $cpu_count to $vcpus + touch $resdir/Warnings + echo CPU count limited from $cpu_count to $vcpus >> $resdir/Warnings + cpu_count=$vcpus +fi +qemu_args="`specify_qemu_cpus "$QEMU" "$qemu_args" "$cpu_count"`" + +# Generate architecture-specific and interaction-specific qemu arguments +qemu_args="$qemu_args `identify_qemu_args "$QEMU" "$builddir/console.log"`" + +# Generate qemu -append arguments +qemu_append="`identify_qemu_append "$QEMU"`" + +# Pull in Kconfig-fragment boot parameters +boot_args="`configfrag_boot_params "$boot_args" "$config_template"`" +# Generate kernel-version-specific boot parameters +boot_args="`per_version_boot_params "$boot_args" $builddir/.config $seconds`" + +echo $QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd +if test -n "$TORTURE_BUILDONLY" +then + echo Build-only run specified, boot/test omitted. + exit 0 +fi +( $QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) & +qemu_pid=$! +commandcompleted=0 +echo Monitoring qemu job at pid $qemu_pid +while : +do + kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` + if kill -0 $qemu_pid > /dev/null 2>&1 + then + if test $kruntime -ge $seconds + then + break; + fi + sleep 1 + else + commandcompleted=1 + if test $kruntime -lt $seconds + then + echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1 + grep "^(qemu) qemu:" $resdir/kvm-test-1-run.sh.out >> $resdir/Warnings 2>&1 + killpid="`sed -n "s/^(qemu) qemu: terminating on signal [0-9]* from pid \([0-9]*\).*$/\1/p" $resdir/Warnings`" + if test -n "$killpid" + then + echo "ps -fp $killpid" >> $resdir/Warnings 2>&1 + ps -fp $killpid >> $resdir/Warnings 2>&1 + fi + else + echo ' ---' `date`: Kernel done + fi + break + fi +done +if test $commandcompleted -eq 0 +then + echo Grace period for qemu job at pid $qemu_pid + while : + do + kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` + if kill -0 $qemu_pid > /dev/null 2>&1 + then + : + else + break + fi + if test $kruntime -ge $((seconds + grace)) + then + echo "!!! Hang at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1 + kill -KILL $qemu_pid + break + fi + sleep 1 + done +fi + +cp $builddir/console.log $resdir +parse-torture.sh $resdir/console.log $title +parse-console.sh $resdir/console.log $title diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh new file mode 100644 index 00000000000..40285c58653 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh @@ -0,0 +1,410 @@ +#!/bin/bash +# +# Run a series of 14 tests under KVM. These are not particularly +# well-selected or well-tuned, but are the current set. Run from the +# top level of the source tree. +# +# Edit the definitions below to set the locations of the various directories, +# as well as the test duration. +# +# Usage: sh kvm.sh [ options ] +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +scriptname=$0 +args="$*" + +T=/tmp/kvm.sh.$$ +trap 'rm -rf $T' 0 +mkdir $T + +dur=30 +dryrun="" +KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM +PATH=${KVM}/bin:$PATH; export PATH +TORTURE_DEFCONFIG=defconfig +TORTURE_BOOT_IMAGE="" +TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD +TORTURE_KMAKE_ARG="" +TORTURE_SUITE=rcu +resdir="" +configs="" +cpus=0 +ds=`date +%Y.%m.%d-%H:%M:%S` +kversion="" + +. functions.sh + +usage () { + echo "Usage: $scriptname optional arguments:" + echo " --bootargs kernel-boot-arguments" + echo " --bootimage relative-path-to-kernel-boot-image" + echo " --buildonly" + echo " --configs \"config-file list\"" + echo " --cpus N" + echo " --datestamp string" + echo " --defconfig string" + echo " --dryrun sched|script" + echo " --duration minutes" + echo " --interactive" + echo " --kmake-arg kernel-make-arguments" + echo " --kversion vN.NN" + echo " --mac nn:nn:nn:nn:nn:nn" + echo " --no-initrd" + echo " --qemu-args qemu-system-..." + echo " --qemu-cmd qemu-system-..." + echo " --results absolute-pathname" + echo " --torture rcu" + exit 1 +} + +while test $# -gt 0 +do + case "$1" in + --bootargs) + checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--' + TORTURE_BOOTARGS="$2" + shift + ;; + --bootimage) + checkarg --bootimage "(relative path to kernel boot image)" "$#" "$2" '[a-zA-Z0-9][a-zA-Z0-9_]*' '^--' + TORTURE_BOOT_IMAGE="$2" + shift + ;; + --buildonly) + TORTURE_BUILDONLY=1 + ;; + --configs) + checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--' + configs="$2" + shift + ;; + --cpus) + checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--' + cpus=$2 + shift + ;; + --datestamp) + checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--' + ds=$2 + shift + ;; + --defconfig) + checkarg --defconfig "defconfigtype" "$#" "$2" '^[^/][^/]*$' '^--' + TORTURE_DEFCONFIG=$2 + shift + ;; + --dryrun) + checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--' + dryrun=$2 + shift + ;; + --duration) + checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error' + dur=$2 + shift + ;; + --interactive) + TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE + ;; + --kmake-arg) + checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$' + TORTURE_KMAKE_ARG="$2" + shift + ;; + --kversion) + checkarg --kversion "(kernel version)" $# "$2" '^v[0-9.]*$' '^error' + kversion=$2 + shift + ;; + --mac) + checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error + TORTURE_QEMU_MAC=$2 + shift + ;; + --no-initrd) + TORTURE_INITRD=""; export TORTURE_INITRD + ;; + --qemu-args) + checkarg --qemu-args "-qemu args" $# "$2" '^-' '^error' + TORTURE_QEMU_ARG="$2" + shift + ;; + --qemu-cmd) + checkarg --qemu-cmd "(qemu-system-...)" $# "$2" 'qemu-system-' '^--' + TORTURE_QEMU_CMD="$2" + shift + ;; + --results) + checkarg --results "(absolute pathname)" "$#" "$2" '^/' '^error' + resdir=$2 + shift + ;; + --torture) + checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\)$' '^--' + TORTURE_SUITE=$2 + shift + ;; + *) + echo Unknown argument $1 + usage + ;; + esac + shift +done + +CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG +KVPATH=${CONFIGFRAG}/$kversion; export KVPATH + +if test -z "$configs" +then + configs="`cat $CONFIGFRAG/$kversion/CFLIST`" +fi + +if test -z "$resdir" +then + resdir=$KVM/res +fi + +# Create a file of test-name/#cpus pairs, sorted by decreasing #cpus. +touch $T/cfgcpu +for CF in $configs +do + if test -f "$CONFIGFRAG/$kversion/$CF" + then + echo $CF `configNR_CPUS.sh $CONFIGFRAG/$kversion/$CF` >> $T/cfgcpu + else + echo "The --configs file $CF does not exist, terminating." + exit 1 + fi +done +sort -k2nr $T/cfgcpu > $T/cfgcpu.sort + +# Use a greedy bin-packing algorithm, sorting the list accordingly. +awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus ' +BEGIN { + njobs = 0; +} + +{ + # Read file of tests and corresponding required numbers of CPUs. + cf[njobs] = $1; + cpus[njobs] = $2; + njobs++; +} + +END { + alldone = 0; + batch = 0; + nc = -1; + + # Each pass through the following loop creates on test batch + # that can be executed concurrently given ncpus. Note that a + # given test that requires more than the available CPUs will run in + # their own batch. Such tests just have to make do with what + # is available. + while (nc != ncpus) { + batch++; + nc = ncpus; + + # Each pass through the following loop considers one + # test for inclusion in the current batch. + for (i = 0; i < njobs; i++) { + if (done[i]) + continue; # Already part of a batch. + if (nc >= cpus[i] || nc == ncpus) { + + # This test fits into the current batch. + done[i] = batch; + nc -= cpus[i]; + if (nc <= 0) + break; # Too-big test in its own batch. + } + } + } + + # Dump out the tests in batch order. + for (b = 1; b <= batch; b++) + for (i = 0; i < njobs; i++) + if (done[i] == b) + print cf[i], cpus[i]; +}' + +# Generate a script to execute the tests in appropriate batches. +cat << ___EOF___ > $T/script +CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG +KVM="$KVM"; export KVM +KVPATH="$KVPATH"; export KVPATH +PATH="$PATH"; export PATH +TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE +TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY +TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG +TORTURE_INITRD="$TORTURE_INITRD"; export TORTURE_INITRD +TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG +TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD +TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE +TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC +TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE +if ! test -e $resdir +then + mkdir -p "$resdir" || : +fi +mkdir $resdir/$ds +echo Results directory: $resdir/$ds +echo $scriptname $args +touch $resdir/$ds/log +echo $scriptname $args >> $resdir/$ds/log +echo ${TORTURE_SUITE} > $resdir/$ds/TORTURE_SUITE +pwd > $resdir/$ds/testid.txt +if test -d .git +then + git status >> $resdir/$ds/testid.txt + git rev-parse HEAD >> $resdir/$ds/testid.txt + if ! git diff HEAD > $T/git-diff 2>&1 + then + cp $T/git-diff $resdir/$ds + fi +fi +___EOF___ +awk < $T/cfgcpu.pack \ + -v CONFIGDIR="$CONFIGFRAG/$kversion/" \ + -v KVM="$KVM" \ + -v ncpus=$cpus \ + -v rd=$resdir/$ds/ \ + -v dur=$dur \ + -v TORTURE_QEMU_ARG="$TORTURE_QEMU_ARG" \ + -v TORTURE_BOOTARGS="$TORTURE_BOOTARGS" \ +'BEGIN { + i = 0; +} + +{ + cf[i] = $1; + cpus[i] = $2; + i++; +} + +# Dump out the scripting required to run one test batch. +function dump(first, pastlast) +{ + print "echo ----Start batch: `date`"; + print "echo ----Start batch: `date` >> " rd "/log"; + jn=1 + for (j = first; j < pastlast; j++) { + builddir=KVM "/b" jn + cpusr[jn] = cpus[j]; + if (cfrep[cf[j]] == "") { + cfr[jn] = cf[j]; + cfrep[cf[j]] = 1; + } else { + cfrep[cf[j]]++; + cfr[jn] = cf[j] "." cfrep[cf[j]]; + } + if (cpusr[jn] > ncpus && ncpus != 0) + ovf = "(!)"; + else + ovf = ""; + print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`"; + print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` >> " rd "/log"; + print "rm -f " builddir ".*"; + print "touch " builddir ".wait"; + print "mkdir " builddir " > /dev/null 2>&1 || :"; + print "mkdir " rd cfr[jn] " || :"; + print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &" + print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date`"; + print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` >> " rd "/log"; + print "while test -f " builddir ".wait" + print "do" + print "\tsleep 1" + print "done" + print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date`"; + print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` >> " rd "/log"; + jn++; + } + for (j = 1; j < jn; j++) { + builddir=KVM "/b" j + print "rm -f " builddir ".ready" + print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date`"; + print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date` >> " rd "/log"; + } + print "wait" + print "echo ---- All kernel runs complete. `date`"; + print "echo ---- All kernel runs complete. `date` >> " rd "/log"; + for (j = 1; j < jn; j++) { + builddir=KVM "/b" j + print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results:"; + print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: >> " rd "/log"; + print "cat " rd cfr[j] "/kvm-test-1-run.sh.out"; + print "cat " rd cfr[j] "/kvm-test-1-run.sh.out >> " rd "/log"; + } +} + +END { + njobs = i; + nc = ncpus; + first = 0; + + # Each pass through the following loop considers one test. + for (i = 0; i < njobs; i++) { + if (ncpus == 0) { + # Sequential test specified, each test its own batch. + dump(i, i + 1); + first = i; + } else if (nc < cpus[i] && i != 0) { + # Out of CPUs, dump out a batch. + dump(first, i); + first = i; + nc = ncpus; + } + # Account for the CPUs needed by the current test. + nc -= cpus[i]; + } + # Dump the last batch. + if (ncpus != 0) + dump(first, i); +}' >> $T/script + +cat << ___EOF___ >> $T/script +echo +echo +echo " --- `date` Test summary:" +echo Results directory: $resdir/$ds +if test -z "$TORTURE_BUILDONLY" +then + kvm-recheck.sh $resdir/$ds +fi +___EOF___ + +if test "$dryrun" = script +then + cat $T/script + exit 0 +elif test "$dryrun" = sched +then + # Extract the test run schedule from the script. + egrep 'Start batch|Starting build\.' $T/script | + grep -v ">>" | + sed -e 's/:.*$//' -e 's/^echo //' + exit 0 +else + # Not a dryru, so run the script. + sh $T/script +fi + +# Tracing: trace_event=rcu:rcu_grace_period,rcu:rcu_future_grace_period,rcu:rcu_grace_period_init,rcu:rcu_nocb_wake,rcu:rcu_preempt_task,rcu:rcu_unlock_preempted_task,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_kfree_callback,rcu:rcu_batch_start,rcu:rcu_invoke_callback,rcu:rcu_invoke_kfree_callback,rcu:rcu_batch_end,rcu:rcu_torture_read,rcu:rcu_barrier diff --git a/tools/testing/selftests/rcutorture/bin/parse-build.sh b/tools/testing/selftests/rcutorture/bin/parse-build.sh new file mode 100755 index 00000000000..543230951c3 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/parse-build.sh @@ -0,0 +1,57 @@ +#!/bin/sh +# +# Check the build output from an rcutorture run for goodness. +# The "file" is a pathname on the local system, and "title" is +# a text string for error-message purposes. +# +# The file must contain kernel build output. +# +# Usage: +# sh parse-build.sh file title +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +T=$1 +title=$2 + +. functions.sh + +if grep -q CC < $T +then + : +else + print_bug $title no build + exit 1 +fi + +if grep -q "error:" < $T +then + print_bug $title build errors: + grep "error:" < $T + exit 2 +fi +exit 0 + +if egrep -q "rcu[^/]*\.c.*warning:|rcu.*\.h.*warning:" < $T +then + print_warning $title build errors: + egrep "rcu[^/]*\.c.*warning:|rcu.*\.h.*warning:" < $T + exit 2 +fi +exit 0 diff --git a/tools/testing/selftests/rcutorture/bin/parse-console.sh b/tools/testing/selftests/rcutorture/bin/parse-console.sh new file mode 100755 index 00000000000..4185d4cab32 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/parse-console.sh @@ -0,0 +1,41 @@ +#!/bin/sh +# +# Check the console output from an rcutorture run for oopses. +# The "file" is a pathname on the local system, and "title" is +# a text string for error-message purposes. +# +# Usage: +# sh parse-console.sh file title +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +T=/tmp/abat-chk-badness.sh.$$ +trap 'rm -f $T' 0 + +file="$1" +title="$2" + +. functions.sh + +egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $T +if test -s $T +then + print_warning Assertion failure in $file $title + cat $T +fi diff --git a/tools/testing/selftests/rcutorture/bin/parse-torture.sh b/tools/testing/selftests/rcutorture/bin/parse-torture.sh new file mode 100755 index 00000000000..3455560ab4e --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/parse-torture.sh @@ -0,0 +1,106 @@ +#!/bin/sh +# +# Check the console output from a torture run for goodness. +# The "file" is a pathname on the local system, and "title" is +# a text string for error-message purposes. +# +# The file must contain torture output, but can be interspersed +# with other dmesg text, as in console-log output. +# +# Usage: +# sh parse-torture.sh file title +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2011 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +T=/tmp/parse-torture.sh.$$ +file="$1" +title="$2" + +trap 'rm -f $T.seq' 0 + +. functions.sh + +# check for presence of torture output file. + +if test -f "$file" -a -r "$file" +then + : +else + echo $title unreadable torture output file: $file + exit 1 +fi + +# check for abject failure + +if grep -q FAILURE $file || grep -q -e '-torture.*!!!' $file +then + nerrs=`grep --binary-files=text '!!!' $file | tail -1 | awk '{for (i=NF-8;i<=NF;i++) sum+=$i; } END {print sum}'` + print_bug $title FAILURE, $nerrs instances + echo " " $url + exit +fi + +grep --binary-files=text 'torture:.*ver:' $file | grep --binary-files=text -v '(null)' | sed -e 's/^(initramfs)[^]]*] //' -e 's/^\[[^]]*] //' | +awk ' +BEGIN { + ver = 0; + badseq = 0; + } + + { + if (!badseq && ($5 + 0 != $5 || $5 <= ver)) { + badseqno1 = ver; + badseqno2 = $5; + badseqnr = NR; + badseq = 1; + } + ver = $5 + } + +END { + if (badseq) { + if (badseqno1 == badseqno2 && badseqno2 == ver) + print "GP HANG at " ver " torture stat " badseqnr; + else + print "BAD SEQ " badseqno1 ":" badseqno2 " last:" ver " version " badseqnr; + } + }' > $T.seq + +if grep -q SUCCESS $file +then + if test -s $T.seq + then + print_warning $title $title `cat $T.seq` + echo " " $file + exit 2 + fi +else + if grep -q "_HOTPLUG:" $file + then + print_warning HOTPLUG FAILURES $title `cat $T.seq` + echo " " $file + exit 3 + fi + echo $title no success message, `grep --binary-files=text 'ver:' $file | wc -l` successful version messages + if test -s $T.seq + then + print_warning $title `cat $T.seq` + fi + exit 2 +fi diff --git a/tools/testing/selftests/rcutorture/configs/lock/BUSTED b/tools/testing/selftests/rcutorture/configs/lock/BUSTED new file mode 100644 index 00000000000..1d1da1477fc --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/lock/BUSTED @@ -0,0 +1,6 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=4 +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y diff --git a/tools/testing/selftests/rcutorture/configs/lock/BUSTED.boot b/tools/testing/selftests/rcutorture/configs/lock/BUSTED.boot new file mode 100644 index 00000000000..6386c15e977 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/lock/BUSTED.boot @@ -0,0 +1 @@ +locktorture.torture_type=lock_busted diff --git a/tools/testing/selftests/rcutorture/configs/lock/CFLIST b/tools/testing/selftests/rcutorture/configs/lock/CFLIST new file mode 100644 index 00000000000..a061b22d189 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/lock/CFLIST @@ -0,0 +1 @@ +LOCK01 diff --git a/tools/testing/selftests/rcutorture/configs/lock/CFcommon b/tools/testing/selftests/rcutorture/configs/lock/CFcommon new file mode 100644 index 00000000000..e372dc26925 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/lock/CFcommon @@ -0,0 +1,2 @@ +CONFIG_LOCK_TORTURE_TEST=y +CONFIG_PRINTK_TIME=y diff --git a/tools/testing/selftests/rcutorture/configs/lock/LOCK01 b/tools/testing/selftests/rcutorture/configs/lock/LOCK01 new file mode 100644 index 00000000000..a9625e3d6cd --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/lock/LOCK01 @@ -0,0 +1,6 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y diff --git a/tools/testing/selftests/rcutorture/configs/lock/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/lock/ver_functions.sh new file mode 100644 index 00000000000..9746ea1cd6c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/lock/ver_functions.sh @@ -0,0 +1,43 @@ +#!/bin/bash +# +# Kernel-version-dependent shell functions for the rest of the scripts. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2014 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +# locktorture_param_onoff bootparam-string config-file +# +# Adds onoff locktorture module parameters to kernels having it. +locktorture_param_onoff () { + if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2" + then + echo CPU-hotplug kernel, adding locktorture onoff. 1>&2 + echo locktorture.onoff_interval=3 locktorture.onoff_holdoff=30 + fi +} + +# per_version_boot_params bootparam-string config-file seconds +# +# Adds per-version torture-module parameters to kernels supporting them. +per_version_boot_params () { + echo $1 `locktorture_param_onoff "$1" "$2"` \ + locktorture.stat_interval=15 \ + locktorture.shutdown_secs=$3 \ + locktorture.locktorture_runnable=1 \ + locktorture.verbose=1 +} diff --git a/tools/testing/selftests/rcutorture/configs/rcu/BUSTED b/tools/testing/selftests/rcutorture/configs/rcu/BUSTED new file mode 100644 index 00000000000..48d8a245c7f --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/BUSTED @@ -0,0 +1,7 @@ +CONFIG_RCU_TRACE=n +CONFIG_SMP=y +CONFIG_NR_CPUS=4 +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y diff --git a/tools/testing/selftests/rcutorture/configs/rcu/BUSTED.boot b/tools/testing/selftests/rcutorture/configs/rcu/BUSTED.boot new file mode 100644 index 00000000000..6804f9dcfc1 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/BUSTED.boot @@ -0,0 +1 @@ +rcutorture.torture_type=rcu_busted diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST new file mode 100644 index 00000000000..cd3d29cb0a4 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST @@ -0,0 +1,13 @@ +TREE01 +TREE02 +TREE03 +TREE04 +TREE05 +TREE06 +TREE07 +TREE08 +TREE09 +SRCU-N +SRCU-P +TINY01 +TINY02 diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon new file mode 100644 index 00000000000..d2d2a86139d --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon @@ -0,0 +1,2 @@ +CONFIG_RCU_TORTURE_TEST=y +CONFIG_PRINTK_TIME=y diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N new file mode 100644 index 00000000000..9fbb41b9b31 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N @@ -0,0 +1,7 @@ +CONFIG_RCU_TRACE=n +CONFIG_SMP=y +CONFIG_NR_CPUS=4 +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot new file mode 100644 index 00000000000..238bfe3bd0c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot @@ -0,0 +1 @@ +rcutorture.torture_type=srcu diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P new file mode 100644 index 00000000000..4b6f272dba2 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P @@ -0,0 +1,7 @@ +CONFIG_RCU_TRACE=n +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot new file mode 100644 index 00000000000..238bfe3bd0c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot @@ -0,0 +1 @@ +rcutorture.torture_type=srcu diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY01 b/tools/testing/selftests/rcutorture/configs/rcu/TINY01 new file mode 100644 index 00000000000..0a63e073a00 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY01 @@ -0,0 +1,12 @@ +CONFIG_SMP=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TINY_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_TRACE=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n +CONFIG_PREEMPT_COUNT=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 new file mode 100644 index 00000000000..f4feaee4077 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 @@ -0,0 +1,12 @@ +CONFIG_SMP=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TINY_RCU=y +CONFIG_HZ_PERIODIC=y +CONFIG_NO_HZ_IDLE=n +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_LOCK_ALLOC=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n +CONFIG_PREEMPT_COUNT=y diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 new file mode 100644 index 00000000000..9c827ec59a9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01 @@ -0,0 +1,22 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_RCU_TRACE=y +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_FANOUT=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_ZERO=y +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_RCU_BOOST=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot new file mode 100644 index 00000000000..0fc8a342893 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot @@ -0,0 +1 @@ +rcutorture.torture_type=rcu_bh diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE02 b/tools/testing/selftests/rcutorture/configs/rcu/TREE02 new file mode 100644 index 00000000000..1a777b5f68b --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE02 @@ -0,0 +1,25 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_RCU_FANOUT=3 +CONFIG_RCU_FANOUT_LEAF=3 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=y +CONFIG_PROVE_LOCKING=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=y +CONFIG_RCU_BOOST=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T b/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T new file mode 100644 index 00000000000..61c8d9ce5bb --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T @@ -0,0 +1,25 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_RCU_FANOUT=3 +CONFIG_RCU_FANOUT_LEAF=3 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=y +CONFIG_PROVE_LOCKING=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=y +CONFIG_RCU_BOOST=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE03 b/tools/testing/selftests/rcutorture/configs/rcu/TREE03 new file mode 100644 index 00000000000..c1f111c1561 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE03 @@ -0,0 +1,22 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_HZ_PERIODIC=y +CONFIG_NO_HZ_IDLE=n +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_TRACE=y +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_FANOUT=4 +CONFIG_RCU_FANOUT_LEAF=4 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 new file mode 100644 index 00000000000..7dbd27ce17a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 @@ -0,0 +1,24 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=n +CONFIG_NO_HZ_FULL=y +CONFIG_NO_HZ_FULL_ALL=y +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_RCU_TRACE=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_RCU_FANOUT=2 +CONFIG_RCU_FANOUT_LEAF=2 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_RCU_CPU_STALL_VERBOSE=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot new file mode 100644 index 00000000000..0fc8a342893 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot @@ -0,0 +1 @@ +rcutorture.torture_type=rcu_bh diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE05 b/tools/testing/selftests/rcutorture/configs/rcu/TREE05 new file mode 100644 index 00000000000..d0f32e57474 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE05 @@ -0,0 +1,24 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=n +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_FANOUT=6 +CONFIG_RCU_FANOUT_LEAF=6 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_NONE=y +CONFIG_DEBUG_LOCK_ALLOC=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_PROVE_RCU_DELAY=y +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot new file mode 100644 index 00000000000..3b42b8b033c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot @@ -0,0 +1 @@ +rcutorture.torture_type=sched diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE06 b/tools/testing/selftests/rcutorture/configs/rcu/TREE06 new file mode 100644 index 00000000000..2e477dfb9c5 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE06 @@ -0,0 +1,25 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=8 +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_RCU_FANOUT=6 +CONFIG_RCU_FANOUT_LEAF=6 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE07 b/tools/testing/selftests/rcutorture/configs/rcu/TREE07 new file mode 100644 index 00000000000..042f86ef362 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE07 @@ -0,0 +1,23 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=16 +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=n +CONFIG_NO_HZ_FULL=y +CONFIG_NO_HZ_FULL_ALL=y +CONFIG_NO_HZ_FULL_SYSIDLE=y +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=y +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_FANOUT=2 +CONFIG_RCU_FANOUT_LEAF=2 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08 new file mode 100644 index 00000000000..3438cee1e3c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08 @@ -0,0 +1,25 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=16 +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_RCU_FANOUT=3 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_RCU_FANOUT_LEAF=2 +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_ALL=y +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_RCU_BOOST=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T new file mode 100644 index 00000000000..bf4523d3e44 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T @@ -0,0 +1,25 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=16 +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_RCU_FANOUT=3 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_RCU_FANOUT_LEAF=2 +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_ALL=y +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_RCU_BOOST=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot new file mode 100644 index 00000000000..3b42b8b033c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot @@ -0,0 +1 @@ +rcutorture.torture_type=sched diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE09 b/tools/testing/selftests/rcutorture/configs/rcu/TREE09 new file mode 100644 index 00000000000..81e4f7c0bf0 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE09 @@ -0,0 +1,20 @@ +CONFIG_SMP=n +CONFIG_NR_CPUS=1 +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_TRACE=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_RCU_DELAY=n +CONFIG_RCU_CPU_STALL_INFO=n +CONFIG_RCU_CPU_STALL_VERBOSE=n +CONFIG_RCU_BOOST=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/CFLIST new file mode 100644 index 00000000000..18223947bbc --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/CFLIST @@ -0,0 +1,14 @@ +P1-S-T-NH-SD-SMP-HP +P2-2-t-nh-sd-SMP-hp +P3-3-T-nh-SD-SMP-hp +P4-A-t-NH-sd-SMP-HP +P5-U-T-NH-sd-SMP-hp +N1-S-T-NH-SD-SMP-HP +N2-2-t-nh-sd-SMP-hp +N3-3-T-nh-SD-SMP-hp +N4-A-t-NH-sd-SMP-HP +N5-U-T-NH-sd-SMP-hp +PT1-nh +PT2-NH +NT1-nh +NT3-NH diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..d3ef873eb6e --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N1-S-T-NH-SD-SMP-HP @@ -0,0 +1,18 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..02e418572b1 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b3100f69c8c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N3-3-T-nh-SD-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..c56b4453072 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N4-A-t-NH-sd-SMP-HP @@ -0,0 +1,18 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..90d924fea9e --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/N5-U-T-NH-sd-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT1-nh new file mode 100644 index 00000000000..023f312a931 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT1-nh @@ -0,0 +1,23 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT3-NH new file mode 100644 index 00000000000..6fd0235dae7 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/NT3-NH @@ -0,0 +1,20 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..f72402d7c13 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P1-S-T-NH-SD-SMP-HP @@ -0,0 +1,19 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..0f3b667d2a9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b035e141bf2 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P3-3-T-nh-SD-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..3ccf6a9447f --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P4-A-t-NH-sd-SMP-HP @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..ef624ce73d8 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/P5-U-T-NH-sd-SMP-hp @@ -0,0 +1,28 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_PROVE_RCU_DELAY=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT1-nh new file mode 100644 index 00000000000..e3361c3894a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT1-nh @@ -0,0 +1,23 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT2-NH new file mode 100644 index 00000000000..64abfc3b4d9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/PT2-NH @@ -0,0 +1,22 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v0.0/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/ver_functions.sh new file mode 100644 index 00000000000..5ace37a8978 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v0.0/ver_functions.sh @@ -0,0 +1,33 @@ +#!/bin/bash +# +# Kernel-version-dependent shell functions for the rest of the scripts. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +# per_version_boot_params bootparam-string config-file seconds +# +# Adds per-version torture-module parameters to kernels supporting them. +# Which old kernels do not. +per_version_boot_params () { + echo rcutorture.stat_interval=15 \ + rcutorture.shutdown_secs=$3 \ + rcutorture.rcutorture_runnable=1 \ + rcutorture.test_no_idle_hz=1 \ + rcutorture.verbose=1 +} diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/CFLIST new file mode 100644 index 00000000000..da4cbc668f2 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/CFLIST @@ -0,0 +1,17 @@ +sysidleY.2013.06.19a +sysidleN.2013.06.19a +P1-S-T-NH-SD-SMP-HP +P2-2-t-nh-sd-SMP-hp +P3-3-T-nh-SD-SMP-hp +P4-A-t-NH-sd-SMP-HP +P5-U-T-NH-sd-SMP-hp +P6---t-nh-SD-smp-hp +N1-S-T-NH-SD-SMP-HP +N2-2-t-nh-sd-SMP-hp +N3-3-T-nh-SD-SMP-hp +N4-A-t-NH-sd-SMP-HP +N5-U-T-NH-sd-SMP-hp +PT1-nh +PT2-NH +NT1-nh +NT3-NH diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..d81e11d280a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N1-S-T-NH-SD-SMP-HP @@ -0,0 +1,19 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..02e418572b1 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b3100f69c8c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N3-3-T-nh-SD-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..c56b4453072 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N4-A-t-NH-sd-SMP-HP @@ -0,0 +1,18 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..90d924fea9e --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N5-U-T-NH-sd-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N6---t-nh-SD-smp-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N6---t-nh-SD-smp-hp new file mode 100644 index 00000000000..0ccc36d7273 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N6---t-nh-SD-smp-hp @@ -0,0 +1,19 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_NR_CPUS=1 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N7-4-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N7-4-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..3f640cf8497 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N7-4-T-NH-SD-SMP-HP @@ -0,0 +1,26 @@ +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=16 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_NONE=y +CONFIG_RCU_NOCB_CPU_ZERO=n +CONFIG_RCU_NOCB_CPU_ALL=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N8-2-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N8-2-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..285da2dd8ac --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/N8-2-T-NH-SD-SMP-HP @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=14 +CONFIG_NR_CPUS=16 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT1-nh new file mode 100644 index 00000000000..023f312a931 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT1-nh @@ -0,0 +1,23 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT3-NH new file mode 100644 index 00000000000..6fd0235dae7 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/NT3-NH @@ -0,0 +1,20 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..9647c44cf4b --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P1-S-T-NH-SD-SMP-HP @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..0f3b667d2a9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b035e141bf2 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P3-3-T-nh-SD-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..3ccf6a9447f --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P4-A-t-NH-sd-SMP-HP @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..ef624ce73d8 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P5-U-T-NH-sd-SMP-hp @@ -0,0 +1,28 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_PROVE_RCU_DELAY=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P6---t-nh-SD-smp-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P6---t-nh-SD-smp-hp new file mode 100644 index 00000000000..f4c9175828b --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P6---t-nh-SD-smp-hp @@ -0,0 +1,18 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=n +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..77a8c5b7576 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP @@ -0,0 +1,30 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=16 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_NONE=n +CONFIG_RCU_NOCB_CPU_ZERO=n +CONFIG_RCU_NOCB_CPU_ALL=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_SLUB=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-all b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-all new file mode 100644 index 00000000000..0eecebc6e95 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-all @@ -0,0 +1,30 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=16 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_NONE=y +CONFIG_RCU_NOCB_CPU_ZERO=n +CONFIG_RCU_NOCB_CPU_ALL=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_SLUB=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-none b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-none new file mode 100644 index 00000000000..0eecebc6e95 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-HP-none @@ -0,0 +1,30 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=16 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_NONE=y +CONFIG_RCU_NOCB_CPU_ZERO=n +CONFIG_RCU_NOCB_CPU_ALL=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_SLUB=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-hp new file mode 100644 index 00000000000..588bc70420c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/P7-4-T-NH-SD-SMP-hp @@ -0,0 +1,30 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=16 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_RCU_NOCB_CPU=y +CONFIG_RCU_NOCB_CPU_NONE=n +CONFIG_RCU_NOCB_CPU_ZERO=y +CONFIG_RCU_NOCB_CPU_ALL=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_SLUB=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT1-nh new file mode 100644 index 00000000000..e3361c3894a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT1-nh @@ -0,0 +1,23 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT2-NH new file mode 100644 index 00000000000..64abfc3b4d9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.12/PT2-NH @@ -0,0 +1,22 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/CFLIST new file mode 100644 index 00000000000..18223947bbc --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/CFLIST @@ -0,0 +1,14 @@ +P1-S-T-NH-SD-SMP-HP +P2-2-t-nh-sd-SMP-hp +P3-3-T-nh-SD-SMP-hp +P4-A-t-NH-sd-SMP-HP +P5-U-T-NH-sd-SMP-hp +N1-S-T-NH-SD-SMP-HP +N2-2-t-nh-sd-SMP-hp +N3-3-T-nh-SD-SMP-hp +N4-A-t-NH-sd-SMP-HP +N5-U-T-NH-sd-SMP-hp +PT1-nh +PT2-NH +NT1-nh +NT3-NH diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..d81e11d280a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N1-S-T-NH-SD-SMP-HP @@ -0,0 +1,19 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..02e418572b1 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b3100f69c8c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N3-3-T-nh-SD-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..c56b4453072 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N4-A-t-NH-sd-SMP-HP @@ -0,0 +1,18 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..90d924fea9e --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/N5-U-T-NH-sd-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT1-nh new file mode 100644 index 00000000000..023f312a931 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT1-nh @@ -0,0 +1,23 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT3-NH new file mode 100644 index 00000000000..6fd0235dae7 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/NT3-NH @@ -0,0 +1,20 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..9647c44cf4b --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P1-S-T-NH-SD-SMP-HP @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..0f3b667d2a9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b035e141bf2 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P3-3-T-nh-SD-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..3ccf6a9447f --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P4-A-t-NH-sd-SMP-HP @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..ef624ce73d8 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/P5-U-T-NH-sd-SMP-hp @@ -0,0 +1,28 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_PROVE_RCU_DELAY=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT1-nh new file mode 100644 index 00000000000..e3361c3894a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT1-nh @@ -0,0 +1,23 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT2-NH new file mode 100644 index 00000000000..64abfc3b4d9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/PT2-NH @@ -0,0 +1,22 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.3/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/ver_functions.sh new file mode 100644 index 00000000000..bae55692ce6 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.3/ver_functions.sh @@ -0,0 +1,44 @@ +#!/bin/bash +# +# Kernel-version-dependent shell functions for the rest of the scripts. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +# rcutorture_param_onoff bootparam-string config-file +# +# Adds onoff rcutorture module parameters to kernels having it. +rcutorture_param_onoff () { + if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2" + then + echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2 + echo rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30 + fi +} + +# per_version_boot_params bootparam-string config-file seconds +# +# Adds per-version torture-module parameters to kernels supporting them. +per_version_boot_params () { + echo $1 `rcutorture_param_onoff "$1" "$2"` \ + rcutorture.stat_interval=15 \ + rcutorture.shutdown_secs=$3 \ + rcutorture.rcutorture_runnable=1 \ + rcutorture.test_no_idle_hz=1 \ + rcutorture.verbose=1 +} diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/CFLIST new file mode 100644 index 00000000000..18223947bbc --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/CFLIST @@ -0,0 +1,14 @@ +P1-S-T-NH-SD-SMP-HP +P2-2-t-nh-sd-SMP-hp +P3-3-T-nh-SD-SMP-hp +P4-A-t-NH-sd-SMP-HP +P5-U-T-NH-sd-SMP-hp +N1-S-T-NH-SD-SMP-HP +N2-2-t-nh-sd-SMP-hp +N3-3-T-nh-SD-SMP-hp +N4-A-t-NH-sd-SMP-HP +N5-U-T-NH-sd-SMP-hp +PT1-nh +PT2-NH +NT1-nh +NT3-NH diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..d81e11d280a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N1-S-T-NH-SD-SMP-HP @@ -0,0 +1,19 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..02e418572b1 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b3100f69c8c --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N3-3-T-nh-SD-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..c56b4453072 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N4-A-t-NH-sd-SMP-HP @@ -0,0 +1,18 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..90d924fea9e --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/N5-U-T-NH-sd-SMP-hp @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_KERNEL=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT1-nh new file mode 100644 index 00000000000..023f312a931 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT1-nh @@ -0,0 +1,23 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT3-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT3-NH new file mode 100644 index 00000000000..6fd0235dae7 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/NT3-NH @@ -0,0 +1,20 @@ +#CHECK#CONFIG_TINY_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P1-S-T-NH-SD-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P1-S-T-NH-SD-SMP-HP new file mode 100644 index 00000000000..9647c44cf4b --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P1-S-T-NH-SD-SMP-HP @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_RCU_FAST_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=8 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P2-2-t-nh-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P2-2-t-nh-sd-SMP-hp new file mode 100644 index 00000000000..0f3b667d2a9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P2-2-t-nh-sd-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=4 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P3-3-T-nh-SD-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P3-3-T-nh-SD-SMP-hp new file mode 100644 index 00000000000..b035e141bf2 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P3-3-T-nh-SD-SMP-hp @@ -0,0 +1,20 @@ +CONFIG_RCU_TRACE=y +CONFIG_NO_HZ=n +CONFIG_SMP=y +CONFIG_RCU_FANOUT=2 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P4-A-t-NH-sd-SMP-HP b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P4-A-t-NH-sd-SMP-HP new file mode 100644 index 00000000000..3ccf6a9447f --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P4-A-t-NH-sd-SMP-HP @@ -0,0 +1,22 @@ +CONFIG_RCU_TRACE=n +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=n +CONFIG_HOTPLUG_CPU=y +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P5-U-T-NH-sd-SMP-hp b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P5-U-T-NH-sd-SMP-hp new file mode 100644 index 00000000000..ef624ce73d8 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/P5-U-T-NH-sd-SMP-hp @@ -0,0 +1,28 @@ +CONFIG_RCU_TRACE=y +CONFIG_RCU_CPU_STALL_INFO=y +CONFIG_NO_HZ=y +CONFIG_SMP=y +CONFIG_RCU_FANOUT=6 +CONFIG_NR_CPUS=8 +CONFIG_RCU_FANOUT_EXACT=y +CONFIG_HOTPLUG_CPU=n +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +#CHECK#CONFIG_TREE_PREEMPT_RCU=y +CONFIG_DEBUG_KERNEL=y +CONFIG_PROVE_RCU_DELAY=y +CONFIG_DEBUG_OBJECTS=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=y +CONFIG_RT_MUTEXES=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT1-nh b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT1-nh new file mode 100644 index 00000000000..e3361c3894a --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT1-nh @@ -0,0 +1,23 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_BOOST=y +CONFIG_RCU_BOOST_PRIO=2 +CONFIG_RCU_TRACE=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=n +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT2-NH b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT2-NH new file mode 100644 index 00000000000..64abfc3b4d9 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/PT2-NH @@ -0,0 +1,22 @@ +CONFIG_TINY_PREEMPT_RCU=y +CONFIG_RCU_TORTURE_TEST=m +CONFIG_MODULE_UNLOAD=y +CONFIG_SUSPEND=n +CONFIG_HIBERNATION=n +# +CONFIG_SMP=n +# +CONFIG_HOTPLUG_CPU=n +# +CONFIG_NO_HZ=y +# +CONFIG_PREEMPT_NONE=n +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=y +CONFIG_PROVE_LOCKING=y +CONFIG_PROVE_RCU=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_PRINTK_TIME=y + diff --git a/tools/testing/selftests/rcutorture/configs/rcu/v3.5/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/ver_functions.sh new file mode 100644 index 00000000000..8977d8d31b1 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/v3.5/ver_functions.sh @@ -0,0 +1,57 @@ +#!/bin/bash +# +# Kernel-version-dependent shell functions for the rest of the scripts. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +# rcutorture_param_n_barrier_cbs bootparam-string +# +# Adds n_barrier_cbs rcutorture module parameter to kernels having it. +rcutorture_param_n_barrier_cbs () { + if echo $1 | grep -q "rcutorture\.n_barrier_cbs" + then + : + else + echo rcutorture.n_barrier_cbs=4 + fi +} + +# rcutorture_param_onoff bootparam-string config-file +# +# Adds onoff rcutorture module parameters to kernels having it. +rcutorture_param_onoff () { + if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2" + then + echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2 + echo rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30 + fi +} + +# per_version_boot_params bootparam-string config-file seconds +# +# Adds per-version torture-module parameters to kernels supporting them. +per_version_boot_params () { + echo $1 `rcutorture_param_onoff "$1" "$2"` \ + `rcutorture_param_n_barrier_cbs "$1"` \ + rcutorture.stat_interval=15 \ + rcutorture.shutdown_secs=$3 \ + rcutorture.rcutorture_runnable=1 \ + rcutorture.test_no_idle_hz=1 \ + rcutorture.verbose=1 +} diff --git a/tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh new file mode 100644 index 00000000000..8977d8d31b1 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/ver_functions.sh @@ -0,0 +1,57 @@ +#!/bin/bash +# +# Kernel-version-dependent shell functions for the rest of the scripts. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, you can access it online at +# http://www.gnu.org/licenses/gpl-2.0.html. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +# rcutorture_param_n_barrier_cbs bootparam-string +# +# Adds n_barrier_cbs rcutorture module parameter to kernels having it. +rcutorture_param_n_barrier_cbs () { + if echo $1 | grep -q "rcutorture\.n_barrier_cbs" + then + : + else + echo rcutorture.n_barrier_cbs=4 + fi +} + +# rcutorture_param_onoff bootparam-string config-file +# +# Adds onoff rcutorture module parameters to kernels having it. +rcutorture_param_onoff () { + if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2" + then + echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2 + echo rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30 + fi +} + +# per_version_boot_params bootparam-string config-file seconds +# +# Adds per-version torture-module parameters to kernels supporting them. +per_version_boot_params () { + echo $1 `rcutorture_param_onoff "$1" "$2"` \ + `rcutorture_param_n_barrier_cbs "$1"` \ + rcutorture.stat_interval=15 \ + rcutorture.shutdown_secs=$3 \ + rcutorture.rcutorture_runnable=1 \ + rcutorture.test_no_idle_hz=1 \ + rcutorture.verbose=1 +} diff --git a/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt new file mode 100644 index 00000000000..28db67b54e5 --- /dev/null +++ b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt @@ -0,0 +1,40 @@ +This document gives a brief rationale for the TINY_RCU test cases. + + +Kconfig Parameters: + +CONFIG_DEBUG_LOCK_ALLOC -- Do all three and none of the three. +CONFIG_PREEMPT_COUNT +CONFIG_RCU_TRACE + +The theory here is that randconfig testing will hit the other six possible +combinations of these parameters. + + +Kconfig Parameters Ignored: + +CONFIG_DEBUG_OBJECTS_RCU_HEAD +CONFIG_PROVE_RCU + + In common code tested by TREE_RCU test cases. + +CONFIG_NO_HZ_FULL_SYSIDLE +CONFIG_RCU_NOCB_CPU +CONFIG_RCU_USER_QS + + Meaningless for TINY_RCU. + +CONFIG_RCU_STALL_COMMON +CONFIG_RCU_TORTURE_TEST + + Redundant with CONFIG_RCU_TRACE. + +CONFIG_HOTPLUG_CPU +CONFIG_PREEMPT +CONFIG_PREEMPT_RCU +CONFIG_SMP +CONFIG_TINY_RCU +CONFIG_TREE_PREEMPT_RCU +CONFIG_TREE_RCU + + All forced by CONFIG_TINY_RCU. diff --git a/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt new file mode 100644 index 00000000000..adbb76cffb4 --- /dev/null +++ b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt @@ -0,0 +1,95 @@ +This document gives a brief rationale for the TREE_RCU-related test +cases, a group that includes TREE_PREEMPT_RCU. + + +Kconfig Parameters: + +CONFIG_DEBUG_LOCK_ALLOC -- Do three, covering CONFIG_PROVE_LOCKING & not. +CONFIG_DEBUG_OBJECTS_RCU_HEAD -- Do one. +CONFIG_HOTPLUG_CPU -- Do half. (Every second.) +CONFIG_HZ_PERIODIC -- Do one. +CONFIG_NO_HZ_IDLE -- Do those not otherwise specified. (Groups of two.) +CONFIG_NO_HZ_FULL -- Do two, one with CONFIG_NO_HZ_FULL_SYSIDLE. +CONFIG_NO_HZ_FULL_SYSIDLE -- Do one. +CONFIG_PREEMPT -- Do half. (First three and #8.) +CONFIG_PROVE_LOCKING -- Do all but two, covering CONFIG_PROVE_RCU and not. +CONFIG_PROVE_RCU -- Do all but one under CONFIG_PROVE_LOCKING. +CONFIG_PROVE_RCU_DELAY -- Do one. +CONFIG_RCU_BOOST -- one of TREE_PREEMPT_RCU. +CONFIG_RCU_BOOST_PRIO -- set to 2 for _BOOST testing. +CONFIG_RCU_CPU_STALL_INFO -- do one with and without _VERBOSE. +CONFIG_RCU_CPU_STALL_VERBOSE -- do one with and without _INFO. +CONFIG_RCU_FANOUT -- Cover hierarchy as currently, but overlap with others. +CONFIG_RCU_FANOUT_EXACT -- Do one. +CONFIG_RCU_FANOUT_LEAF -- Do one non-default. +CONFIG_RCU_FAST_NO_HZ -- Do one, but not with CONFIG_RCU_NOCB_CPU_ALL. +CONFIG_RCU_NOCB_CPU -- Do three, see below. +CONFIG_RCU_NOCB_CPU_ALL -- Do one. +CONFIG_RCU_NOCB_CPU_NONE -- Do one. +CONFIG_RCU_NOCB_CPU_ZERO -- Do one. +CONFIG_RCU_TRACE -- Do half. +CONFIG_SMP -- Need one !SMP for TREE_PREEMPT_RCU. +RCU-bh: Do one with PREEMPT and one with !PREEMPT. +RCU-sched: Do one with PREEMPT but not BOOST. + + +Hierarchy: + +TREE01. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=8, CONFIG_RCU_FANOUT_EXACT=n. +TREE02. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=3, CONFIG_RCU_FANOUT_EXACT=n, + CONFIG_RCU_FANOUT_LEAF=3. +TREE03. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=4, CONFIG_RCU_FANOUT_EXACT=n, + CONFIG_RCU_FANOUT_LEAF=4. +TREE04. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=2, CONFIG_RCU_FANOUT_EXACT=n, + CONFIG_RCU_FANOUT_LEAF=2. +TREE05. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=6, CONFIG_RCU_FANOUT_EXACT=n + CONFIG_RCU_FANOUT_LEAF=6. +TREE06. CONFIG_NR_CPUS=8, CONFIG_RCU_FANOUT=6, CONFIG_RCU_FANOUT_EXACT=y + CONFIG_RCU_FANOUT_LEAF=6. +TREE07. CONFIG_NR_CPUS=16, CONFIG_RCU_FANOUT=2, CONFIG_RCU_FANOUT_EXACT=n, + CONFIG_RCU_FANOUT_LEAF=2. +TREE08. CONFIG_NR_CPUS=16, CONFIG_RCU_FANOUT=3, CONFIG_RCU_FANOUT_EXACT=y, + CONFIG_RCU_FANOUT_LEAF=2. +TREE09. CONFIG_NR_CPUS=1. + + +Kconfig Parameters Ignored: + +CONFIG_64BIT + + Used only to check CONFIG_RCU_FANOUT value, inspection suffices. + +CONFIG_NO_HZ_FULL_SYSIDLE_SMALL + + Defer until Frederic uses this. + +CONFIG_PREEMPT_COUNT +CONFIG_PREEMPT_RCU + + Redundant with CONFIG_PREEMPT, ignore. + +CONFIG_RCU_BOOST_DELAY + + Inspection suffices, ignore. + +CONFIG_RCU_CPU_STALL_TIMEOUT + + Inspection suffices, ignore. + +CONFIG_RCU_STALL_COMMON + + Implied by TREE_RCU and TREE_PREEMPT_RCU. + +CONFIG_RCU_TORTURE_TEST +CONFIG_RCU_TORTURE_TEST_RUNNABLE + + Always used in KVM testing. + +CONFIG_RCU_USER_QS + + Redundant with CONFIG_NO_HZ_FULL. + +CONFIG_TREE_PREEMPT_RCU +CONFIG_TREE_RCU + + These are controlled by CONFIG_PREEMPT. diff --git a/tools/testing/selftests/rcutorture/doc/initrd.txt b/tools/testing/selftests/rcutorture/doc/initrd.txt new file mode 100644 index 00000000000..49d134c25c0 --- /dev/null +++ b/tools/testing/selftests/rcutorture/doc/initrd.txt @@ -0,0 +1,90 @@ +This document describes one way to create the initrd directory hierarchy +in order to allow an initrd to be built into your kernel. The trick +here is to steal the initrd file used on your Linux laptop, Ubuntu in +this case. There are probably much better ways of doing this. + +That said, here are the commands: + +------------------------------------------------------------------------ +zcat /initrd.img > /tmp/initrd.img.zcat +mkdir initrd +cd initrd +cpio -id < /tmp/initrd.img.zcat +------------------------------------------------------------------------ + +Interestingly enough, if you are running rcutorture, you don't really +need userspace in many cases. Running without userspace has the +advantage of allowing you to test your kernel independently of the +distro in place, the root-filesystem layout, and so on. To make this +happen, put the following script in the initrd's tree's "/init" file, +with 0755 mode. + +------------------------------------------------------------------------ +#!/bin/sh + +[ -d /dev ] || mkdir -m 0755 /dev +[ -d /root ] || mkdir -m 0700 /root +[ -d /sys ] || mkdir /sys +[ -d /proc ] || mkdir /proc +[ -d /tmp ] || mkdir /tmp +mkdir -p /var/lock +mount -t sysfs -o nodev,noexec,nosuid sysfs /sys +mount -t proc -o nodev,noexec,nosuid proc /proc +# Some things don't work properly without /etc/mtab. +ln -sf /proc/mounts /etc/mtab + +# Note that this only becomes /dev on the real filesystem if udev's scripts +# are used; which they will be, but it's worth pointing out +if ! mount -t devtmpfs -o mode=0755 udev /dev; then + echo "W: devtmpfs not available, falling back to tmpfs for /dev" + mount -t tmpfs -o mode=0755 udev /dev + [ -e /dev/console ] || mknod --mode=600 /dev/console c 5 1 + [ -e /dev/kmsg ] || mknod --mode=644 /dev/kmsg c 1 11 + [ -e /dev/null ] || mknod --mode=666 /dev/null c 1 3 +fi + +mkdir /dev/pts +mount -t devpts -o noexec,nosuid,gid=5,mode=0620 devpts /dev/pts || true +mount -t tmpfs -o "nosuid,size=20%,mode=0755" tmpfs /run +mkdir /run/initramfs +# compatibility symlink for the pre-oneiric locations +ln -s /run/initramfs /dev/.initramfs + +# Export relevant variables +export ROOT= +export ROOTDELAY= +export ROOTFLAGS= +export ROOTFSTYPE= +export IP= +export BOOT= +export BOOTIF= +export UBIMTD= +export break= +export init=/sbin/init +export quiet=n +export readonly=y +export rootmnt=/root +export debug= +export panic= +export blacklist= +export resume= +export resume_offset= +export recovery= + +for i in /sys/devices/system/cpu/cpu*/online +do + case $i in + '/sys/devices/system/cpu/cpu0/online') + ;; + '/sys/devices/system/cpu/cpu*/online') + ;; + *) + echo 1 > $i + ;; + esac +done + +while : +do + sleep 10 +done diff --git a/tools/testing/selftests/rcutorture/doc/rcu-test-image.txt b/tools/testing/selftests/rcutorture/doc/rcu-test-image.txt new file mode 100644 index 00000000000..66efb59a1bd --- /dev/null +++ b/tools/testing/selftests/rcutorture/doc/rcu-test-image.txt @@ -0,0 +1,42 @@ +This document describes one way to created the rcu-test-image file +that contains the filesystem used by the guest-OS kernel. There are +probably much better ways of doing this, and this filesystem could no +doubt be smaller. It is probably also possible to simply download +an appropriate image from any number of places. + +That said, here are the commands: + +------------------------------------------------------------------------ +dd if=/dev/zero of=rcu-test-image bs=400M count=1 +mkfs.ext3 ./rcu-test-image +sudo mount -o loop ./rcu-test-image /mnt + +# Replace "precise" below with your favorite Ubuntu release. +# Empirical evidence says this image will work for 64-bit, but... +# Note that debootstrap does take a few minutes to run. Or longer. +sudo debootstrap --verbose --arch i386 precise /mnt http://archive.ubuntu.com/ubuntu +cat << '___EOF___' | sudo dd of=/mnt/etc/fstab +# UNCONFIGURED FSTAB FOR BASE SYSTEM +# +/dev/vda / ext3 defaults 1 1 +dev /dev tmpfs rw 0 0 +tmpfs /dev/shm tmpfs defaults 0 0 +devpts /dev/pts devpts gid=5,mode=620 0 0 +sysfs /sys sysfs defaults 0 0 +proc /proc proc defaults 0 0 +___EOF___ +sudo umount /mnt +------------------------------------------------------------------------ + + +References: + + http://sripathikodi.blogspot.com/2010/02/creating-kvm-bootable-fedora-system.html + https://help.ubuntu.com/community/KVM/CreateGuests + https://help.ubuntu.com/community/JeOSVMBuilder + http://wiki.libvirt.org/page/UbuntuKVMWalkthrough + http://www.moe.co.uk/2011/01/07/pci_add_option_rom-failed-to-find-romfile-pxe-rtl8139-bin/ -- "apt-get install kvm-pxe" + http://www.landley.net/writing/rootfs-howto.html + http://en.wikipedia.org/wiki/Initrd + http://en.wikipedia.org/wiki/Cpio + http://wiki.libvirt.org/page/UbuntuKVMWalkthrough diff --git a/tools/testing/selftests/sysctl/Makefile b/tools/testing/selftests/sysctl/Makefile new file mode 100644 index 00000000000..0a92adaf086 --- /dev/null +++ b/tools/testing/selftests/sysctl/Makefile @@ -0,0 +1,19 @@ +# Makefile for sysctl selftests. +# Expects kernel.sysctl_writes_strict=1. + +# No binaries, but make sure arg-less "make" doesn't trigger "run_tests". +all: + +# Allow specific tests to be selected. +test_num: + @/bin/sh ./run_numerictests + +test_string: + @/bin/sh ./run_stringtests + +run_tests: all test_num test_string + +# Nothing to clean up. +clean: + +.PHONY: all run_tests clean test_num test_string diff --git a/tools/testing/selftests/sysctl/common_tests b/tools/testing/selftests/sysctl/common_tests new file mode 100644 index 00000000000..17d534b1b7b --- /dev/null +++ b/tools/testing/selftests/sysctl/common_tests @@ -0,0 +1,109 @@ +#!/bin/sh + +TEST_FILE=$(mktemp) + +echo "== Testing sysctl behavior against ${TARGET} ==" + +set_orig() +{ + echo "${ORIG}" > "${TARGET}" +} + +set_test() +{ + echo "${TEST_STR}" > "${TARGET}" +} + +verify() +{ + local seen + seen=$(cat "$1") + if [ "${seen}" != "${TEST_STR}" ]; then + return 1 + fi + return 0 +} + +trap 'set_orig; rm -f "${TEST_FILE}"' EXIT + +rc=0 + +echo -n "Writing test file ... " +echo "${TEST_STR}" > "${TEST_FILE}" +if ! verify "${TEST_FILE}"; then + echo "FAIL" >&2 + exit 1 +else + echo "ok" +fi + +echo -n "Checking sysctl is not set to test value ... " +if verify "${TARGET}"; then + echo "FAIL" >&2 + exit 1 +else + echo "ok" +fi + +echo -n "Writing sysctl from shell ... " +set_test +if ! verify "${TARGET}"; then + echo "FAIL" >&2 + exit 1 +else + echo "ok" +fi + +echo -n "Resetting sysctl to original value ... " +set_orig +if verify "${TARGET}"; then + echo "FAIL" >&2 + exit 1 +else + echo "ok" +fi + +# Now that we've validated the sanity of "set_test" and "set_orig", +# we can use those functions to set starting states before running +# specific behavioral tests. + +echo -n "Writing entire sysctl in single write ... " +set_orig +dd if="${TEST_FILE}" of="${TARGET}" bs=4096 2>/dev/null +if ! verify "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Writing middle of sysctl after synchronized seek ... " +set_test +dd if="${TEST_FILE}" of="${TARGET}" bs=1 seek=1 skip=1 2>/dev/null +if ! verify "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Writing beyond end of sysctl ... " +set_orig +dd if="${TEST_FILE}" of="${TARGET}" bs=20 seek=2 2>/dev/null +if verify "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Writing sysctl with multiple long writes ... " +set_orig +(perl -e 'print "A" x 50;'; echo "${TEST_STR}") | \ + dd of="${TARGET}" bs=50 2>/dev/null +if verify "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi diff --git a/tools/testing/selftests/sysctl/run_numerictests b/tools/testing/selftests/sysctl/run_numerictests new file mode 100644 index 00000000000..8510f93f2d1 --- /dev/null +++ b/tools/testing/selftests/sysctl/run_numerictests @@ -0,0 +1,10 @@ +#!/bin/sh + +SYSCTL="/proc/sys" +TARGET="${SYSCTL}/vm/swappiness" +ORIG=$(cat "${TARGET}") +TEST_STR=$(( $ORIG + 1 )) + +. ./common_tests + +exit $rc diff --git a/tools/testing/selftests/sysctl/run_stringtests b/tools/testing/selftests/sysctl/run_stringtests new file mode 100644 index 00000000000..90a9293d520 --- /dev/null +++ b/tools/testing/selftests/sysctl/run_stringtests @@ -0,0 +1,77 @@ +#!/bin/sh + +SYSCTL="/proc/sys" +TARGET="${SYSCTL}/kernel/domainname" +ORIG=$(cat "${TARGET}") +TEST_STR="Testing sysctl" + +. ./common_tests + +# Only string sysctls support seeking/appending. +MAXLEN=65 + +echo -n "Writing entire sysctl in short writes ... " +set_orig +dd if="${TEST_FILE}" of="${TARGET}" bs=1 2>/dev/null +if ! verify "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Writing middle of sysctl after unsynchronized seek ... " +set_test +dd if="${TEST_FILE}" of="${TARGET}" bs=1 seek=1 2>/dev/null +if verify "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Checking sysctl maxlen is at least $MAXLEN ... " +set_orig +perl -e 'print "A" x ('"${MAXLEN}"'-2), "B";' | \ + dd of="${TARGET}" bs="${MAXLEN}" 2>/dev/null +if ! grep -q B "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Checking sysctl keeps original string on overflow append ... " +set_orig +perl -e 'print "A" x ('"${MAXLEN}"'-1), "B";' | \ + dd of="${TARGET}" bs=$(( MAXLEN - 1 )) 2>/dev/null +if grep -q B "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Checking sysctl stays NULL terminated on write ... " +set_orig +perl -e 'print "A" x ('"${MAXLEN}"'-1), "B";' | \ + dd of="${TARGET}" bs="${MAXLEN}" 2>/dev/null +if grep -q B "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +echo -n "Checking sysctl stays NULL terminated on overwrite ... " +set_orig +perl -e 'print "A" x ('"${MAXLEN}"'-1), "BB";' | \ + dd of="${TARGET}" bs=$(( $MAXLEN + 1 )) 2>/dev/null +if grep -q B "${TARGET}"; then + echo "FAIL" >&2 + rc=1 +else + echo "ok" +fi + +exit $rc diff --git a/tools/testing/selftests/user/Makefile b/tools/testing/selftests/user/Makefile new file mode 100644 index 00000000000..396255bd720 --- /dev/null +++ b/tools/testing/selftests/user/Makefile @@ -0,0 +1,13 @@ +# Makefile for user memory selftests + +# No binaries, but make sure arg-less "make" doesn't trigger "run_tests" +all: + +run_tests: all + @if /sbin/modprobe test_user_copy ; then \ + rmmod test_user_copy; \ + echo "user_copy: ok"; \ + else \ + echo "user_copy: [FAIL]"; \ + exit 1; \ + fi diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile index 447321104ec..e775adcbd29 100644 --- a/tools/thermal/tmon/Makefile +++ b/tools/thermal/tmon/Makefile @@ -21,7 +21,7 @@ OBJS = tmon.o tui.o sysfs.o pid.o OBJS += tmon: $(OBJS) Makefile tmon.h - $(CC) ${CFLAGS} $(LDFLAGS) $(OBJS) -o $(TARGET) -lm -lpanel -lncursesw -lpthread + $(CC) ${CFLAGS} $(LDFLAGS) $(OBJS) -o $(TARGET) -lm -lpanel -lncursesw -ltinfo -lpthread valgrind: tmon sudo valgrind -v --track-origins=yes --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes ./$(TARGET) 1> /dev/null diff --git a/tools/thermal/tmon/tmon.c b/tools/thermal/tmon/tmon.c index b30f531173e..09b7c321833 100644 --- a/tools/thermal/tmon/tmon.c +++ b/tools/thermal/tmon/tmon.c @@ -142,6 +142,7 @@ static void start_syslog(void) static void prepare_logging(void) { int i; + struct stat logstat; if (!logging) return; @@ -152,6 +153,29 @@ static void prepare_logging(void) return; } + if (lstat(TMON_LOG_FILE, &logstat) < 0) { + syslog(LOG_ERR, "Unable to stat log file %s\n", TMON_LOG_FILE); + fclose(tmon_log); + tmon_log = NULL; + return; + } + + /* The log file must be a regular file owned by us */ + if (S_ISLNK(logstat.st_mode)) { + syslog(LOG_ERR, "Log file is a symlink. Will not log\n"); + fclose(tmon_log); + tmon_log = NULL; + return; + } + + if (logstat.st_uid != getuid()) { + syslog(LOG_ERR, "We don't own the log file. Not logging\n"); + fclose(tmon_log); + tmon_log = NULL; + return; + } + + fprintf(tmon_log, "#----------- THERMAL SYSTEM CONFIG -------------\n"); for (i = 0; i < ptdata.nr_tz_sensor; i++) { char binding_str[33]; /* size of long + 1 */ @@ -331,7 +355,7 @@ static void start_daemon_mode() disable_tui(); /* change the file mode mask */ - umask(0); + umask(S_IWGRP | S_IWOTH); /* new SID for the daemon process */ sid = setsid(); diff --git a/tools/usb/Makefile b/tools/usb/Makefile index 396d6c44e9d..acf2165c04e 100644 --- a/tools/usb/Makefile +++ b/tools/usb/Makefile @@ -3,11 +3,12 @@ CC = $(CROSS_COMPILE)gcc PTHREAD_LIBS = -lpthread WARNINGS = -Wall -Wextra -CFLAGS = $(WARNINGS) -g $(PTHREAD_LIBS) -I../include +CFLAGS = $(WARNINGS) -g -I../include +LDFLAGS = $(PTHREAD_LIBS) all: testusb ffs-test %: %.c - $(CC) $(CFLAGS) -o $@ $^ + $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) clean: $(RM) testusb ffs-test diff --git a/tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c b/tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c new file mode 100644 index 00000000000..87216a0c4a8 --- /dev/null +++ b/tools/usb/ffs-aio-example/multibuff/device_app/aio_multibuff.c @@ -0,0 +1,349 @@ +#define _BSD_SOURCE /* for endian.h */ + +#include <endian.h> +#include <errno.h> +#include <fcntl.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/poll.h> +#include <unistd.h> +#include <stdbool.h> +#include <sys/eventfd.h> + +#include "libaio.h" +#define IOCB_FLAG_RESFD (1 << 0) + +#include <linux/usb/functionfs.h> + +#define BUF_LEN 8192 +#define BUFS_MAX 128 +#define AIO_MAX (BUFS_MAX*2) + +/******************** Descriptors and Strings *******************************/ + +static const struct { + struct usb_functionfs_descs_head header; + struct { + struct usb_interface_descriptor intf; + struct usb_endpoint_descriptor_no_audio bulk_sink; + struct usb_endpoint_descriptor_no_audio bulk_source; + } __attribute__ ((__packed__)) fs_descs, hs_descs; +} __attribute__ ((__packed__)) descriptors = { + .header = { + .magic = htole32(FUNCTIONFS_DESCRIPTORS_MAGIC), + .length = htole32(sizeof(descriptors)), + .fs_count = 3, + .hs_count = 3, + }, + .fs_descs = { + .intf = { + .bLength = sizeof(descriptors.fs_descs.intf), + .bDescriptorType = USB_DT_INTERFACE, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .iInterface = 1, + }, + .bulk_sink = { + .bLength = sizeof(descriptors.fs_descs.bulk_sink), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 1 | USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + }, + .bulk_source = { + .bLength = sizeof(descriptors.fs_descs.bulk_source), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 2 | USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + }, + }, + .hs_descs = { + .intf = { + .bLength = sizeof(descriptors.hs_descs.intf), + .bDescriptorType = USB_DT_INTERFACE, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .iInterface = 1, + }, + .bulk_sink = { + .bLength = sizeof(descriptors.hs_descs.bulk_sink), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 1 | USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = htole16(512), + }, + .bulk_source = { + .bLength = sizeof(descriptors.hs_descs.bulk_source), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 2 | USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = htole16(512), + }, + }, +}; + +#define STR_INTERFACE "AIO Test" + +static const struct { + struct usb_functionfs_strings_head header; + struct { + __le16 code; + const char str1[sizeof(STR_INTERFACE)]; + } __attribute__ ((__packed__)) lang0; +} __attribute__ ((__packed__)) strings = { + .header = { + .magic = htole32(FUNCTIONFS_STRINGS_MAGIC), + .length = htole32(sizeof(strings)), + .str_count = htole32(1), + .lang_count = htole32(1), + }, + .lang0 = { + htole16(0x0409), /* en-us */ + STR_INTERFACE, + }, +}; + +/********************** Buffer structure *******************************/ + +struct io_buffer { + struct iocb **iocb; + unsigned char **buf; + unsigned cnt; + unsigned len; + unsigned requested; +}; + +/******************** Endpoints handling *******************************/ + +static void display_event(struct usb_functionfs_event *event) +{ + static const char *const names[] = { + [FUNCTIONFS_BIND] = "BIND", + [FUNCTIONFS_UNBIND] = "UNBIND", + [FUNCTIONFS_ENABLE] = "ENABLE", + [FUNCTIONFS_DISABLE] = "DISABLE", + [FUNCTIONFS_SETUP] = "SETUP", + [FUNCTIONFS_SUSPEND] = "SUSPEND", + [FUNCTIONFS_RESUME] = "RESUME", + }; + switch (event->type) { + case FUNCTIONFS_BIND: + case FUNCTIONFS_UNBIND: + case FUNCTIONFS_ENABLE: + case FUNCTIONFS_DISABLE: + case FUNCTIONFS_SETUP: + case FUNCTIONFS_SUSPEND: + case FUNCTIONFS_RESUME: + printf("Event %s\n", names[event->type]); + } +} + +static void handle_ep0(int ep0, bool *ready) +{ + int ret; + struct usb_functionfs_event event; + + ret = read(ep0, &event, sizeof(event)); + if (!ret) { + perror("unable to read event from ep0"); + return; + } + display_event(&event); + switch (event.type) { + case FUNCTIONFS_SETUP: + if (event.u.setup.bRequestType & USB_DIR_IN) + write(ep0, NULL, 0); + else + read(ep0, NULL, 0); + break; + + case FUNCTIONFS_ENABLE: + *ready = true; + break; + + case FUNCTIONFS_DISABLE: + *ready = false; + break; + + default: + break; + } +} + +void init_bufs(struct io_buffer *iobuf, unsigned n, unsigned len) +{ + unsigned i; + iobuf->buf = malloc(n*sizeof(*iobuf->buf)); + iobuf->iocb = malloc(n*sizeof(*iobuf->iocb)); + iobuf->cnt = n; + iobuf->len = len; + iobuf->requested = 0; + for (i = 0; i < n; ++i) { + iobuf->buf[i] = malloc(len*sizeof(**iobuf->buf)); + iobuf->iocb[i] = malloc(sizeof(**iobuf->iocb)); + } + iobuf->cnt = n; +} + +void delete_bufs(struct io_buffer *iobuf) +{ + unsigned i; + for (i = 0; i < iobuf->cnt; ++i) { + free(iobuf->buf[i]); + free(iobuf->iocb[i]); + } + free(iobuf->buf); + free(iobuf->iocb); +} + +int main(int argc, char *argv[]) +{ + int ret; + unsigned i, j; + char *ep_path; + + int ep0, ep1; + + io_context_t ctx; + + int evfd; + fd_set rfds; + + struct io_buffer iobuf[2]; + int actual = 0; + bool ready; + + if (argc != 2) { + printf("ffs directory not specified!\n"); + return 1; + } + + ep_path = malloc(strlen(argv[1]) + 4 /* "/ep#" */ + 1 /* '\0' */); + if (!ep_path) { + perror("malloc"); + return 1; + } + + /* open endpoint files */ + sprintf(ep_path, "%s/ep0", argv[1]); + ep0 = open(ep_path, O_RDWR); + if (ep0 < 0) { + perror("unable to open ep0"); + return 1; + } + if (write(ep0, &descriptors, sizeof(descriptors)) < 0) { + perror("unable do write descriptors"); + return 1; + } + if (write(ep0, &strings, sizeof(strings)) < 0) { + perror("unable to write strings"); + return 1; + } + sprintf(ep_path, "%s/ep1", argv[1]); + ep1 = open(ep_path, O_RDWR); + if (ep1 < 0) { + perror("unable to open ep1"); + return 1; + } + + free(ep_path); + + memset(&ctx, 0, sizeof(ctx)); + /* setup aio context to handle up to AIO_MAX requests */ + if (io_setup(AIO_MAX, &ctx) < 0) { + perror("unable to setup aio"); + return 1; + } + + evfd = eventfd(0, 0); + if (evfd < 0) { + perror("unable to open eventfd"); + return 1; + } + + for (i = 0; i < sizeof(iobuf)/sizeof(*iobuf); ++i) + init_bufs(&iobuf[i], BUFS_MAX, BUF_LEN); + + while (1) { + FD_ZERO(&rfds); + FD_SET(ep0, &rfds); + FD_SET(evfd, &rfds); + + ret = select(((ep0 > evfd) ? ep0 : evfd)+1, + &rfds, NULL, NULL, NULL); + if (ret < 0) { + if (errno == EINTR) + continue; + perror("select"); + break; + } + + if (FD_ISSET(ep0, &rfds)) + handle_ep0(ep0, &ready); + + /* we are waiting for function ENABLE */ + if (!ready) + continue; + + /* + * when we're preparing new data to submit, + * second buffer being transmitted + */ + for (i = 0; i < sizeof(iobuf)/sizeof(*iobuf); ++i) { + if (iobuf[i].requested) + continue; + /* prepare requests */ + for (j = 0; j < iobuf[i].cnt; ++j) { + io_prep_pwrite(iobuf[i].iocb[j], ep1, + iobuf[i].buf[j], + iobuf[i].len, 0); + /* enable eventfd notification */ + iobuf[i].iocb[j]->u.c.flags |= IOCB_FLAG_RESFD; + iobuf[i].iocb[j]->u.c.resfd = evfd; + } + /* submit table of requests */ + ret = io_submit(ctx, iobuf[i].cnt, iobuf[i].iocb); + if (ret >= 0) { + iobuf[i].requested = ret; + printf("submit: %d requests buf: %d\n", ret, i); + } else + perror("unable to submit reqests"); + } + + /* if event is ready to read */ + if (!FD_ISSET(evfd, &rfds)) + continue; + + uint64_t ev_cnt; + ret = read(evfd, &ev_cnt, sizeof(ev_cnt)); + if (ret < 0) { + perror("unable to read eventfd"); + break; + } + + struct io_event e[BUFS_MAX]; + /* we read aio events */ + ret = io_getevents(ctx, 1, BUFS_MAX, e, NULL); + if (ret > 0) /* if we got events */ + iobuf[actual].requested -= ret; + + /* if all req's from iocb completed */ + if (!iobuf[actual].requested) + actual = (actual + 1)%(sizeof(iobuf)/sizeof(*iobuf)); + } + + /* free resources */ + + for (i = 0; i < sizeof(iobuf)/sizeof(*iobuf); ++i) + delete_bufs(&iobuf[i]); + io_destroy(ctx); + + close(ep1); + close(ep0); + + return 0; +} diff --git a/tools/usb/ffs-aio-example/multibuff/host_app/Makefile b/tools/usb/ffs-aio-example/multibuff/host_app/Makefile new file mode 100644 index 00000000000..8c4a6f0aa82 --- /dev/null +++ b/tools/usb/ffs-aio-example/multibuff/host_app/Makefile @@ -0,0 +1,13 @@ +CC = gcc +LIBUSB_CFLAGS = $(shell pkg-config --cflags libusb-1.0) +LIBUSB_LIBS = $(shell pkg-config --libs libusb-1.0) +WARNINGS = -Wall -Wextra +CFLAGS = $(LIBUSB_CFLAGS) $(WARNINGS) +LDFLAGS = $(LIBUSB_LIBS) + +all: test +%: %.c + $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) + +clean: + $(RM) test diff --git a/tools/usb/ffs-aio-example/multibuff/host_app/test.c b/tools/usb/ffs-aio-example/multibuff/host_app/test.c new file mode 100644 index 00000000000..b0ad8747d03 --- /dev/null +++ b/tools/usb/ffs-aio-example/multibuff/host_app/test.c @@ -0,0 +1,146 @@ +#include <libusb.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#define VENDOR 0x1d6b +#define PRODUCT 0x0105 + +/* endpoints indexes */ + +#define EP_BULK_IN (1 | LIBUSB_ENDPOINT_IN) +#define EP_BULK_OUT (2 | LIBUSB_ENDPOINT_OUT) + +#define BUF_LEN 8192 + +/* + * struct test_state - describes test program state + * @list: list of devices returned by libusb_get_device_list function + * @found: pointer to struct describing tested device + * @ctx: context, set to NULL + * @handle: handle of tested device + * @attached: indicates that device was attached to kernel, and has to be + * reattached at the end of test program + */ + +struct test_state { + libusb_device *found; + libusb_context *ctx; + libusb_device_handle *handle; + int attached; +}; + +/* + * test_init - initialize test program + */ + +int test_init(struct test_state *state) +{ + int i, ret; + ssize_t cnt; + libusb_device **list; + + state->found = NULL; + state->ctx = NULL; + state->handle = NULL; + state->attached = 0; + + ret = libusb_init(&state->ctx); + if (ret) { + printf("cannot init libusb: %s\n", libusb_error_name(ret)); + return 1; + } + + cnt = libusb_get_device_list(state->ctx, &list); + if (cnt <= 0) { + printf("no devices found\n"); + goto error1; + } + + for (i = 0; i < cnt; ++i) { + libusb_device *dev = list[i]; + struct libusb_device_descriptor desc; + ret = libusb_get_device_descriptor(dev, &desc); + if (ret) { + printf("unable to get device descriptor: %s\n", + libusb_error_name(ret)); + goto error2; + } + if (desc.idVendor == VENDOR && desc.idProduct == PRODUCT) { + state->found = dev; + break; + } + } + + if (!state->found) { + printf("no devices found\n"); + goto error2; + } + + ret = libusb_open(state->found, &state->handle); + if (ret) { + printf("cannot open device: %s\n", libusb_error_name(ret)); + goto error2; + } + + if (libusb_claim_interface(state->handle, 0)) { + ret = libusb_detach_kernel_driver(state->handle, 0); + if (ret) { + printf("unable to detach kernel driver: %s\n", + libusb_error_name(ret)); + goto error3; + } + state->attached = 1; + ret = libusb_claim_interface(state->handle, 0); + if (ret) { + printf("cannot claim interface: %s\n", + libusb_error_name(ret)); + goto error4; + } + } + + return 0; + +error4: + if (state->attached == 1) + libusb_attach_kernel_driver(state->handle, 0); + +error3: + libusb_close(state->handle); + +error2: + libusb_free_device_list(list, 1); + +error1: + libusb_exit(state->ctx); + return 1; +} + +/* + * test_exit - cleanup test program + */ + +void test_exit(struct test_state *state) +{ + libusb_release_interface(state->handle, 0); + if (state->attached == 1) + libusb_attach_kernel_driver(state->handle, 0); + libusb_close(state->handle); + libusb_exit(state->ctx); +} + +int main(void) +{ + struct test_state state; + + if (test_init(&state)) + return 1; + + while (1) { + static unsigned char buffer[BUF_LEN]; + int bytes; + libusb_bulk_transfer(state.handle, EP_BULK_IN, buffer, BUF_LEN, + &bytes, 500); + } + test_exit(&state); +} diff --git a/tools/usb/ffs-aio-example/simple/device_app/aio_simple.c b/tools/usb/ffs-aio-example/simple/device_app/aio_simple.c new file mode 100644 index 00000000000..f558664a331 --- /dev/null +++ b/tools/usb/ffs-aio-example/simple/device_app/aio_simple.c @@ -0,0 +1,335 @@ +#define _BSD_SOURCE /* for endian.h */ + +#include <endian.h> +#include <errno.h> +#include <fcntl.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/poll.h> +#include <unistd.h> +#include <stdbool.h> +#include <sys/eventfd.h> + +#include "libaio.h" +#define IOCB_FLAG_RESFD (1 << 0) + +#include <linux/usb/functionfs.h> + +#define BUF_LEN 8192 + +/******************** Descriptors and Strings *******************************/ + +static const struct { + struct usb_functionfs_descs_head header; + struct { + struct usb_interface_descriptor intf; + struct usb_endpoint_descriptor_no_audio bulk_sink; + struct usb_endpoint_descriptor_no_audio bulk_source; + } __attribute__ ((__packed__)) fs_descs, hs_descs; +} __attribute__ ((__packed__)) descriptors = { + .header = { + .magic = htole32(FUNCTIONFS_DESCRIPTORS_MAGIC), + .length = htole32(sizeof(descriptors)), + .fs_count = 3, + .hs_count = 3, + }, + .fs_descs = { + .intf = { + .bLength = sizeof(descriptors.fs_descs.intf), + .bDescriptorType = USB_DT_INTERFACE, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .iInterface = 1, + }, + .bulk_sink = { + .bLength = sizeof(descriptors.fs_descs.bulk_sink), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 1 | USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + }, + .bulk_source = { + .bLength = sizeof(descriptors.fs_descs.bulk_source), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 2 | USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + }, + }, + .hs_descs = { + .intf = { + .bLength = sizeof(descriptors.hs_descs.intf), + .bDescriptorType = USB_DT_INTERFACE, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, + .iInterface = 1, + }, + .bulk_sink = { + .bLength = sizeof(descriptors.hs_descs.bulk_sink), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 1 | USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + }, + .bulk_source = { + .bLength = sizeof(descriptors.hs_descs.bulk_source), + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = 2 | USB_DIR_OUT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + }, + }, +}; + +#define STR_INTERFACE "AIO Test" + +static const struct { + struct usb_functionfs_strings_head header; + struct { + __le16 code; + const char str1[sizeof(STR_INTERFACE)]; + } __attribute__ ((__packed__)) lang0; +} __attribute__ ((__packed__)) strings = { + .header = { + .magic = htole32(FUNCTIONFS_STRINGS_MAGIC), + .length = htole32(sizeof(strings)), + .str_count = htole32(1), + .lang_count = htole32(1), + }, + .lang0 = { + htole16(0x0409), /* en-us */ + STR_INTERFACE, + }, +}; + +/******************** Endpoints handling *******************************/ + +static void display_event(struct usb_functionfs_event *event) +{ + static const char *const names[] = { + [FUNCTIONFS_BIND] = "BIND", + [FUNCTIONFS_UNBIND] = "UNBIND", + [FUNCTIONFS_ENABLE] = "ENABLE", + [FUNCTIONFS_DISABLE] = "DISABLE", + [FUNCTIONFS_SETUP] = "SETUP", + [FUNCTIONFS_SUSPEND] = "SUSPEND", + [FUNCTIONFS_RESUME] = "RESUME", + }; + switch (event->type) { + case FUNCTIONFS_BIND: + case FUNCTIONFS_UNBIND: + case FUNCTIONFS_ENABLE: + case FUNCTIONFS_DISABLE: + case FUNCTIONFS_SETUP: + case FUNCTIONFS_SUSPEND: + case FUNCTIONFS_RESUME: + printf("Event %s\n", names[event->type]); + } +} + +static void handle_ep0(int ep0, bool *ready) +{ + struct usb_functionfs_event event; + int ret; + + struct pollfd pfds[1]; + pfds[0].fd = ep0; + pfds[0].events = POLLIN; + + ret = poll(pfds, 1, 0); + + if (ret && (pfds[0].revents & POLLIN)) { + ret = read(ep0, &event, sizeof(event)); + if (!ret) { + perror("unable to read event from ep0"); + return; + } + display_event(&event); + switch (event.type) { + case FUNCTIONFS_SETUP: + if (event.u.setup.bRequestType & USB_DIR_IN) + write(ep0, NULL, 0); + else + read(ep0, NULL, 0); + break; + + case FUNCTIONFS_ENABLE: + *ready = true; + break; + + case FUNCTIONFS_DISABLE: + *ready = false; + break; + + default: + break; + } + } +} + +int main(int argc, char *argv[]) +{ + int i, ret; + char *ep_path; + + int ep0; + int ep[2]; + + io_context_t ctx; + + int evfd; + fd_set rfds; + + char *buf_in, *buf_out; + struct iocb *iocb_in, *iocb_out; + int req_in = 0, req_out = 0; + bool ready; + + if (argc != 2) { + printf("ffs directory not specified!\n"); + return 1; + } + + ep_path = malloc(strlen(argv[1]) + 4 /* "/ep#" */ + 1 /* '\0' */); + if (!ep_path) { + perror("malloc"); + return 1; + } + + /* open endpoint files */ + sprintf(ep_path, "%s/ep0", argv[1]); + ep0 = open(ep_path, O_RDWR); + if (ep0 < 0) { + perror("unable to open ep0"); + return 1; + } + if (write(ep0, &descriptors, sizeof(descriptors)) < 0) { + perror("unable do write descriptors"); + return 1; + } + if (write(ep0, &strings, sizeof(strings)) < 0) { + perror("unable to write strings"); + return 1; + } + for (i = 0; i < 2; ++i) { + sprintf(ep_path, "%s/ep%d", argv[1], i+1); + ep[i] = open(ep_path, O_RDWR); + if (ep[i] < 0) { + printf("unable to open ep%d: %s\n", i+1, + strerror(errno)); + return 1; + } + } + + free(ep_path); + + memset(&ctx, 0, sizeof(ctx)); + /* setup aio context to handle up to 2 requests */ + if (io_setup(2, &ctx) < 0) { + perror("unable to setup aio"); + return 1; + } + + evfd = eventfd(0, 0); + if (evfd < 0) { + perror("unable to open eventfd"); + return 1; + } + + /* alloc buffers and requests */ + buf_in = malloc(BUF_LEN); + buf_out = malloc(BUF_LEN); + iocb_in = malloc(sizeof(*iocb_in)); + iocb_out = malloc(sizeof(*iocb_out)); + + while (1) { + FD_ZERO(&rfds); + FD_SET(ep0, &rfds); + FD_SET(evfd, &rfds); + + ret = select(((ep0 > evfd) ? ep0 : evfd)+1, + &rfds, NULL, NULL, NULL); + if (ret < 0) { + if (errno == EINTR) + continue; + perror("select"); + break; + } + + if (FD_ISSET(ep0, &rfds)) + handle_ep0(ep0, &ready); + + /* we are waiting for function ENABLE */ + if (!ready) + continue; + + /* if something was submitted we wait for event */ + if (FD_ISSET(evfd, &rfds)) { + uint64_t ev_cnt; + ret = read(evfd, &ev_cnt, sizeof(ev_cnt)); + if (ret < 0) { + perror("unable to read eventfd"); + break; + } + + struct io_event e[2]; + /* we wait for one event */ + ret = io_getevents(ctx, 1, 2, e, NULL); + /* if we got event */ + for (i = 0; i < ret; ++i) { + if (e[i].obj->aio_fildes == ep[0]) { + printf("ev=in; ret=%lu\n", e[i].res); + req_in = 0; + } else if (e[i].obj->aio_fildes == ep[1]) { + printf("ev=out; ret=%lu\n", e[i].res); + req_out = 0; + } + } + } + + if (!req_in) { /* if IN transfer not requested*/ + /* prepare write request */ + io_prep_pwrite(iocb_in, ep[0], buf_in, BUF_LEN, 0); + /* enable eventfd notification */ + iocb_in->u.c.flags |= IOCB_FLAG_RESFD; + iocb_in->u.c.resfd = evfd; + /* submit table of requests */ + ret = io_submit(ctx, 1, &iocb_in); + if (ret >= 0) { /* if ret > 0 request is queued */ + req_in = 1; + printf("submit: in\n"); + } else + perror("unable to submit request"); + } + if (!req_out) { /* if OUT transfer not requested */ + /* prepare read request */ + io_prep_pread(iocb_out, ep[1], buf_out, BUF_LEN, 0); + /* enable eventfs notification */ + iocb_out->u.c.flags |= IOCB_FLAG_RESFD; + iocb_out->u.c.resfd = evfd; + /* submit table of requests */ + ret = io_submit(ctx, 1, &iocb_out); + if (ret >= 0) { /* if ret > 0 request is queued */ + req_out = 1; + printf("submit: out\n"); + } else + perror("unable to submit request"); + } + } + + /* free resources */ + + io_destroy(ctx); + + free(buf_in); + free(buf_out); + free(iocb_in); + free(iocb_out); + + for (i = 0; i < 2; ++i) + close(ep[i]); + close(ep0); + + return 0; +} diff --git a/tools/usb/ffs-aio-example/simple/host_app/Makefile b/tools/usb/ffs-aio-example/simple/host_app/Makefile new file mode 100644 index 00000000000..8c4a6f0aa82 --- /dev/null +++ b/tools/usb/ffs-aio-example/simple/host_app/Makefile @@ -0,0 +1,13 @@ +CC = gcc +LIBUSB_CFLAGS = $(shell pkg-config --cflags libusb-1.0) +LIBUSB_LIBS = $(shell pkg-config --libs libusb-1.0) +WARNINGS = -Wall -Wextra +CFLAGS = $(LIBUSB_CFLAGS) $(WARNINGS) +LDFLAGS = $(LIBUSB_LIBS) + +all: test +%: %.c + $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) + +clean: + $(RM) test diff --git a/tools/usb/ffs-aio-example/simple/host_app/test.c b/tools/usb/ffs-aio-example/simple/host_app/test.c new file mode 100644 index 00000000000..64b6a57d8ca --- /dev/null +++ b/tools/usb/ffs-aio-example/simple/host_app/test.c @@ -0,0 +1,148 @@ +#include <libusb.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#define VENDOR 0x1d6b +#define PRODUCT 0x0105 + +/* endpoints indexes */ + +#define EP_BULK_IN (1 | LIBUSB_ENDPOINT_IN) +#define EP_BULK_OUT (2 | LIBUSB_ENDPOINT_OUT) + +#define BUF_LEN 8192 + +/* + * struct test_state - describes test program state + * @list: list of devices returned by libusb_get_device_list function + * @found: pointer to struct describing tested device + * @ctx: context, set to NULL + * @handle: handle of tested device + * @attached: indicates that device was attached to kernel, and has to be + * reattached at the end of test program + */ + +struct test_state { + libusb_device *found; + libusb_context *ctx; + libusb_device_handle *handle; + int attached; +}; + +/* + * test_init - initialize test program + */ + +int test_init(struct test_state *state) +{ + int i, ret; + ssize_t cnt; + libusb_device **list; + + state->found = NULL; + state->ctx = NULL; + state->handle = NULL; + state->attached = 0; + + ret = libusb_init(&state->ctx); + if (ret) { + printf("cannot init libusb: %s\n", libusb_error_name(ret)); + return 1; + } + + cnt = libusb_get_device_list(state->ctx, &list); + if (cnt <= 0) { + printf("no devices found\n"); + goto error1; + } + + for (i = 0; i < cnt; ++i) { + libusb_device *dev = list[i]; + struct libusb_device_descriptor desc; + ret = libusb_get_device_descriptor(dev, &desc); + if (ret) { + printf("unable to get device descriptor: %s\n", + libusb_error_name(ret)); + goto error2; + } + if (desc.idVendor == VENDOR && desc.idProduct == PRODUCT) { + state->found = dev; + break; + } + } + + if (!state->found) { + printf("no devices found\n"); + goto error2; + } + + ret = libusb_open(state->found, &state->handle); + if (ret) { + printf("cannot open device: %s\n", libusb_error_name(ret)); + goto error2; + } + + if (libusb_claim_interface(state->handle, 0)) { + ret = libusb_detach_kernel_driver(state->handle, 0); + if (ret) { + printf("unable to detach kernel driver: %s\n", + libusb_error_name(ret)); + goto error3; + } + state->attached = 1; + ret = libusb_claim_interface(state->handle, 0); + if (ret) { + printf("cannot claim interface: %s\n", + libusb_error_name(ret)); + goto error4; + } + } + + return 0; + +error4: + if (state->attached == 1) + libusb_attach_kernel_driver(state->handle, 0); + +error3: + libusb_close(state->handle); + +error2: + libusb_free_device_list(list, 1); + +error1: + libusb_exit(state->ctx); + return 1; +} + +/* + * test_exit - cleanup test program + */ + +void test_exit(struct test_state *state) +{ + libusb_release_interface(state->handle, 0); + if (state->attached == 1) + libusb_attach_kernel_driver(state->handle, 0); + libusb_close(state->handle); + libusb_exit(state->ctx); +} + +int main(void) +{ + struct test_state state; + + if (test_init(&state)) + return 1; + + while (1) { + static unsigned char buffer[BUF_LEN]; + int bytes; + libusb_bulk_transfer(state.handle, EP_BULK_IN, buffer, BUF_LEN, + &bytes, 500); + libusb_bulk_transfer(state.handle, EP_BULK_OUT, buffer, BUF_LEN, + &bytes, 500); + } + test_exit(&state); +} diff --git a/tools/usb/ffs-test.c b/tools/usb/ffs-test.c index fe1e66b6ef4..a87e99f37c5 100644 --- a/tools/usb/ffs-test.c +++ b/tools/usb/ffs-test.c @@ -116,8 +116,8 @@ static const struct { .header = { .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC), .length = cpu_to_le32(sizeof descriptors), - .fs_count = 3, - .hs_count = 3, + .fs_count = cpu_to_le32(3), + .hs_count = cpu_to_le32(3), }, .fs_descs = { .intf = { diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile index 3187c62d981..9325f469382 100644 --- a/tools/virtio/Makefile +++ b/tools/virtio/Makefile @@ -3,7 +3,7 @@ test: virtio_test vringh_test virtio_test: virtio_ring.o virtio_test.o vringh_test: vringh_test.o vringh.o virtio_ring.o -CFLAGS += -g -O2 -Wall -I. -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE +CFLAGS += -g -O2 -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE vpath %.c ../../drivers/virtio ../../drivers/vhost mod: ${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h index fba70596396..1e8ce6979c1 100644 --- a/tools/virtio/linux/kernel.h +++ b/tools/virtio/linux/kernel.h @@ -38,13 +38,6 @@ struct page { #define __printf(a,b) __attribute__((format(printf,a,b))) -typedef enum { - GFP_KERNEL, - GFP_ATOMIC, - __GFP_HIGHMEM, - __GFP_HIGH -} gfp_t; - #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) extern void *__kmalloc_fake, *__kfree_ignore_start, *__kfree_ignore_end; diff --git a/tools/virtio/linux/kmemleak.h b/tools/virtio/linux/kmemleak.h new file mode 100644 index 00000000000..c07072270e2 --- /dev/null +++ b/tools/virtio/linux/kmemleak.h @@ -0,0 +1,3 @@ +static inline void kmemleak_ignore(const void *ptr) +{ +} diff --git a/tools/virtio/linux/types.h b/tools/virtio/linux/types.h deleted file mode 100644 index f8ebb9a2b3d..00000000000 --- a/tools/virtio/linux/types.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef TYPES_H -#define TYPES_H -#include <stdint.h> - -#define __force -#define __user -#define __must_check -#define __cold - -typedef uint64_t u64; -typedef int64_t s64; -typedef uint32_t u32; -typedef int32_t s32; -typedef uint16_t u16; -typedef int16_t s16; -typedef uint8_t u8; -typedef int8_t s8; - -typedef uint64_t __u64; -typedef int64_t __s64; -typedef uint32_t __u32; -typedef int32_t __s32; -typedef uint16_t __u16; -typedef int16_t __s16; -typedef uint8_t __u8; -typedef int8_t __s8; - -#endif /* TYPES_H */ diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h index 84478304070..5a2d1f0f6bc 100644 --- a/tools/virtio/linux/virtio.h +++ b/tools/virtio/linux/virtio.h @@ -63,7 +63,7 @@ int virtqueue_add_inbuf(struct virtqueue *vq, void *data, gfp_t gfp); -void virtqueue_kick(struct virtqueue *vq); +bool virtqueue_kick(struct virtqueue *vq); void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len); @@ -79,7 +79,7 @@ struct virtqueue *vring_new_virtqueue(unsigned int index, struct virtio_device *vdev, bool weak_barriers, void *pages, - void (*notify)(struct virtqueue *vq), + bool (*notify)(struct virtqueue *vq), void (*callback)(struct virtqueue *vq), const char *name); void vring_del_virtqueue(struct virtqueue *vq); diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c index bdb71a26ae3..00ea679b382 100644 --- a/tools/virtio/virtio_test.c +++ b/tools/virtio/virtio_test.c @@ -172,7 +172,7 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq, GFP_ATOMIC); if (likely(r == 0)) { ++started; - if (unlikely(!virtqueue_kick(vq->vq)) + if (unlikely(!virtqueue_kick(vq->vq))) r = -1; } } else diff --git a/tools/vm/Makefile b/tools/vm/Makefile index 24e9ddd93fa..3d907dacf2a 100644 --- a/tools/vm/Makefile +++ b/tools/vm/Makefile @@ -2,21 +2,21 @@ # TARGETS=page-types slabinfo -LK_DIR = ../lib/lk -LIBLK = $(LK_DIR)/liblk.a +LIB_DIR = ../lib/api +LIBS = $(LIB_DIR)/libapikfs.a CC = $(CROSS_COMPILE)gcc CFLAGS = -Wall -Wextra -I../lib/ -LDFLAGS = $(LIBLK) +LDFLAGS = $(LIBS) -$(TARGETS): liblk +$(TARGETS): $(LIBS) -liblk: - make -C $(LK_DIR) +$(LIBS): + make -C $(LIB_DIR) %: %.c $(CC) $(CFLAGS) -o $@ $< $(LDFLAGS) clean: $(RM) page-types slabinfo - make -C ../lib/lk clean + make -C $(LIB_DIR) clean diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index d5e9d6d185c..c4d6d2e20e0 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -19,7 +19,8 @@ * Authors: Wu Fengguang <fengguang.wu@intel.com> */ -#define _LARGEFILE64_SOURCE +#define _FILE_OFFSET_BITS 64 +#define _GNU_SOURCE #include <stdio.h> #include <stdlib.h> #include <unistd.h> @@ -29,14 +30,19 @@ #include <getopt.h> #include <limits.h> #include <assert.h> +#include <ftw.h> +#include <time.h> +#include <setjmp.h> +#include <signal.h> #include <sys/types.h> #include <sys/errno.h> #include <sys/fcntl.h> #include <sys/mount.h> #include <sys/statfs.h> +#include <sys/mman.h> #include "../../include/uapi/linux/magic.h" #include "../../include/uapi/linux/kernel-page-flags.h" -#include <lk/debugfs.h> +#include <api/fs/debugfs.h> #ifndef MAX_PATH # define MAX_PATH 256 @@ -158,6 +164,7 @@ static int opt_raw; /* for kernel developers */ static int opt_list; /* list pages (in ranges) */ static int opt_no_summary; /* don't show summary */ static pid_t opt_pid; /* process to walk */ +const char * opt_file; #define MAX_ADDR_RANGES 1024 static int nr_addr_ranges; @@ -253,12 +260,7 @@ static unsigned long do_u64_read(int fd, char *name, if (index > ULONG_MAX / 8) fatal("index overflow: %lu\n", index); - if (lseek(fd, index * 8, SEEK_SET) < 0) { - perror(name); - exit(EXIT_FAILURE); - } - - bytes = read(fd, buf, count * 8); + bytes = pread(fd, buf, count * 8, (off_t)index * 8); if (bytes < 0) { perror(name); exit(EXIT_FAILURE); @@ -343,8 +345,8 @@ static char *page_flag_longname(uint64_t flags) * page list and summary */ -static void show_page_range(unsigned long voffset, - unsigned long offset, uint64_t flags) +static void show_page_range(unsigned long voffset, unsigned long offset, + unsigned long size, uint64_t flags) { static uint64_t flags0; static unsigned long voff; @@ -352,14 +354,16 @@ static void show_page_range(unsigned long voffset, static unsigned long count; if (flags == flags0 && offset == index + count && - (!opt_pid || voffset == voff + count)) { - count++; + size && voffset == voff + count) { + count += size; return; } if (count) { if (opt_pid) printf("%lx\t", voff); + if (opt_file) + printf("%lu\t", voff); printf("%lx\t%lx\t%s\n", index, count, page_flag_name(flags0)); } @@ -367,7 +371,12 @@ static void show_page_range(unsigned long voffset, flags0 = flags; index = offset; voff = voffset; - count = 1; + count = size; +} + +static void flush_page_range(void) +{ + show_page_range(0, 0, 0, 0); } static void show_page(unsigned long voffset, @@ -375,6 +384,8 @@ static void show_page(unsigned long voffset, { if (opt_pid) printf("%lx\t", voffset); + if (opt_file) + printf("%lu\t", voffset); printf("%lx\t%s\n", offset, page_flag_name(flags)); } @@ -565,7 +576,7 @@ static void add_page(unsigned long voffset, unpoison_page(offset); if (opt_list == 1) - show_page_range(voffset, offset, flags); + show_page_range(voffset, offset, 1, flags); else if (opt_list == 2) show_page(voffset, offset, flags); @@ -667,7 +678,7 @@ static void walk_addr_ranges(void) for (i = 0; i < nr_addr_ranges; i++) if (!opt_pid) - walk_pfn(0, opt_offset[i], opt_size[i], 0); + walk_pfn(opt_offset[i], opt_offset[i], opt_size[i], 0); else walk_task(opt_offset[i], opt_size[i]); @@ -699,9 +710,7 @@ static void usage(void) " -a|--addr addr-spec Walk a range of pages\n" " -b|--bits bits-spec Walk pages with specified bits\n" " -p|--pid pid Walk process address space\n" -#if 0 /* planned features */ " -f|--file filename Walk file address space\n" -#endif " -l|--list Show page details in ranges\n" " -L|--list-each Show page details one by one\n" " -N|--no-summary Don't show summary info\n" @@ -799,8 +808,157 @@ static void parse_pid(const char *str) fclose(file); } +static void show_file(const char *name, const struct stat *st) +{ + unsigned long long size = st->st_size; + char atime[64], mtime[64]; + long now = time(NULL); + + printf("%s\tInode: %u\tSize: %llu (%llu pages)\n", + name, (unsigned)st->st_ino, + size, (size + page_size - 1) / page_size); + + strftime(atime, sizeof(atime), "%c", localtime(&st->st_atime)); + strftime(mtime, sizeof(mtime), "%c", localtime(&st->st_mtime)); + + printf("Modify: %s (%ld seconds ago)\nAccess: %s (%ld seconds ago)\n", + mtime, now - st->st_mtime, + atime, now - st->st_atime); +} + +static sigjmp_buf sigbus_jmp; + +static void * volatile sigbus_addr; + +static void sigbus_handler(int sig, siginfo_t *info, void *ucontex) +{ + (void)sig; + (void)ucontex; + sigbus_addr = info ? info->si_addr : NULL; + siglongjmp(sigbus_jmp, 1); +} + +static struct sigaction sigbus_action = { + .sa_sigaction = sigbus_handler, + .sa_flags = SA_SIGINFO, +}; + +static void walk_file(const char *name, const struct stat *st) +{ + uint8_t vec[PAGEMAP_BATCH]; + uint64_t buf[PAGEMAP_BATCH], flags; + unsigned long nr_pages, pfn, i; + off_t off, end = st->st_size; + int fd; + ssize_t len; + void *ptr; + int first = 1; + + fd = checked_open(name, O_RDONLY|O_NOATIME|O_NOFOLLOW); + + for (off = 0; off < end; off += len) { + nr_pages = (end - off + page_size - 1) / page_size; + if (nr_pages > PAGEMAP_BATCH) + nr_pages = PAGEMAP_BATCH; + len = nr_pages * page_size; + + ptr = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, off); + if (ptr == MAP_FAILED) + fatal("mmap failed: %s", name); + + /* determine cached pages */ + if (mincore(ptr, len, vec)) + fatal("mincore failed: %s", name); + + /* turn off readahead */ + if (madvise(ptr, len, MADV_RANDOM)) + fatal("madvice failed: %s", name); + + if (sigsetjmp(sigbus_jmp, 1)) { + end = off + sigbus_addr ? sigbus_addr - ptr : 0; + fprintf(stderr, "got sigbus at offset %lld: %s\n", + (long long)end, name); + goto got_sigbus; + } + + /* populate ptes */ + for (i = 0; i < nr_pages ; i++) { + if (vec[i] & 1) + (void)*(volatile int *)(ptr + i * page_size); + } +got_sigbus: + + /* turn off harvesting reference bits */ + if (madvise(ptr, len, MADV_SEQUENTIAL)) + fatal("madvice failed: %s", name); + + if (pagemap_read(buf, (unsigned long)ptr / page_size, + nr_pages) != nr_pages) + fatal("cannot read pagemap"); + + munmap(ptr, len); + + for (i = 0; i < nr_pages; i++) { + pfn = pagemap_pfn(buf[i]); + if (!pfn) + continue; + if (!kpageflags_read(&flags, pfn, 1)) + continue; + if (first && opt_list) { + first = 0; + flush_page_range(); + show_file(name, st); + } + add_page(off / page_size + i, pfn, flags, buf[i]); + } + } + + close(fd); +} + +int walk_tree(const char *name, const struct stat *st, int type, struct FTW *f) +{ + (void)f; + switch (type) { + case FTW_F: + if (S_ISREG(st->st_mode)) + walk_file(name, st); + break; + case FTW_DNR: + fprintf(stderr, "cannot read dir: %s\n", name); + break; + } + return 0; +} + +static void walk_page_cache(void) +{ + struct stat st; + + kpageflags_fd = checked_open(PROC_KPAGEFLAGS, O_RDONLY); + pagemap_fd = checked_open("/proc/self/pagemap", O_RDONLY); + sigaction(SIGBUS, &sigbus_action, NULL); + + if (stat(opt_file, &st)) + fatal("stat failed: %s\n", opt_file); + + if (S_ISREG(st.st_mode)) { + walk_file(opt_file, &st); + } else if (S_ISDIR(st.st_mode)) { + /* do not follow symlinks and mountpoints */ + if (nftw(opt_file, walk_tree, 64, FTW_MOUNT | FTW_PHYS) < 0) + fatal("nftw failed: %s\n", opt_file); + } else + fatal("unhandled file type: %s\n", opt_file); + + close(kpageflags_fd); + close(pagemap_fd); + signal(SIGBUS, SIG_DFL); +} + static void parse_file(const char *name) { + opt_file = name; } static void parse_addr_range(const char *optarg) @@ -991,15 +1149,20 @@ int main(int argc, char *argv[]) if (opt_list && opt_pid) printf("voffset\t"); + if (opt_list && opt_file) + printf("foffset\t"); if (opt_list == 1) printf("offset\tlen\tflags\n"); if (opt_list == 2) printf("offset\tflags\n"); - walk_addr_ranges(); + if (opt_file) + walk_page_cache(); + else + walk_addr_ranges(); if (opt_list == 1) - show_page_range(0, 0, 0); /* drain the buffer */ + flush_page_range(); if (opt_no_summary) return 0; |