diff options
75 files changed, 1432 insertions, 788 deletions
@@ -1331,11 +1331,11 @@ kernelversion: # Clear a bunch of variables before executing the submake tools/: FORCE $(Q)mkdir -p $(objtree)/tools - $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= O=$(objtree) subdir=tools -C $(src)/tools/ + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/ tools/%: FORCE $(Q)mkdir -p $(objtree)/tools - $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= O=$(objtree) subdir=tools -C $(src)/tools/ $* + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/ $* # Single targets # --------------------------------------------------------------------------- diff --git a/tools/Makefile b/tools/Makefile index fa36565b209..6aaeb6cd867 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -34,7 +34,13 @@ help: cpupower: FORCE $(call descend,power/$@) -cgroup firewire lguest perf usb virtio vm: FORCE +cgroup firewire guest usb virtio vm: FORCE + $(call descend,$@) + +liblk: FORCE + $(call descend,lib/lk) + +perf: liblk FORCE $(call descend,$@) selftests: FORCE @@ -62,7 +68,13 @@ install: cgroup_install cpupower_install firewire_install lguest_install \ cpupower_clean: $(call descend,power/cpupower,clean) -cgroup_clean firewire_clean lguest_clean perf_clean usb_clean virtio_clean vm_clean: +cgroup_clean firewire_clean lguest_clean usb_clean virtio_clean vm_clean: + $(call descend,$(@:_clean=),clean) + +liblk_clean: + $(call descend,lib/lk,clean) + +perf_clean: liblk_clean $(call descend,$(@:_clean=),clean) selftests_clean: diff --git a/tools/lib/lk/Makefile b/tools/lib/lk/Makefile new file mode 100644 index 00000000000..926cbf3efc7 --- /dev/null +++ b/tools/lib/lk/Makefile @@ -0,0 +1,35 @@ +include ../../scripts/Makefile.include + +# guard against environment variables +LIB_H= +LIB_OBJS= + +LIB_H += debugfs.h + +LIB_OBJS += $(OUTPUT)debugfs.o + +LIBFILE = liblk.a + +CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC +EXTLIBS = -lpthread -lrt -lelf -lm +ALL_CFLAGS = $(CFLAGS) $(BASIC_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 +ALL_LDFLAGS = $(LDFLAGS) + +RM = rm -f + +$(LIBFILE): $(LIB_OBJS) + $(QUIET_AR)$(RM) $@ && $(AR) rcs $(OUTPUT)$@ $(LIB_OBJS) + +$(LIB_OBJS): $(LIB_H) + +$(OUTPUT)%.o: %.c + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $< +$(OUTPUT)%.s: %.c + $(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $< +$(OUTPUT)%.o: %.S + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $< + +clean: + $(RM) $(LIB_OBJS) $(LIBFILE) + +.PHONY: clean diff --git a/tools/perf/util/debugfs.c b/tools/lib/lk/debugfs.c index dd8b19319c0..099e7cd022e 100644 --- a/tools/perf/util/debugfs.c +++ b/tools/lib/lk/debugfs.c @@ -1,36 +1,39 @@ -#include "util.h" -#include "debugfs.h" -#include "cache.h" - -#include <linux/kernel.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdbool.h> +#include <sys/vfs.h> #include <sys/mount.h> +#include <linux/magic.h> +#include <linux/kernel.h> + +#include "debugfs.h" -static int debugfs_premounted; char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug"; -char tracing_events_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing/events"; -static const char *debugfs_known_mountpoints[] = { +static const char * const debugfs_known_mountpoints[] = { "/sys/kernel/debug/", "/debug/", 0, }; -static int debugfs_found; +static bool debugfs_found; /* find the path to the mounted debugfs */ const char *debugfs_find_mountpoint(void) { - const char **ptr; + const char * const *ptr; char type[100]; FILE *fp; if (debugfs_found) - return (const char *) debugfs_mountpoint; + return (const char *)debugfs_mountpoint; ptr = debugfs_known_mountpoints; while (*ptr) { if (debugfs_valid_mountpoint(*ptr) == 0) { - debugfs_found = 1; + debugfs_found = true; strcpy(debugfs_mountpoint, *ptr); return debugfs_mountpoint; } @@ -52,7 +55,7 @@ const char *debugfs_find_mountpoint(void) if (strcmp(type, "debugfs") != 0) return NULL; - debugfs_found = 1; + debugfs_found = true; return debugfs_mountpoint; } @@ -71,21 +74,12 @@ int debugfs_valid_mountpoint(const char *debugfs) return 0; } -static void debugfs_set_tracing_events_path(const char *mountpoint) -{ - snprintf(tracing_events_path, sizeof(tracing_events_path), "%s/%s", - mountpoint, "tracing/events"); -} - /* mount the debugfs somewhere if it's not mounted */ - char *debugfs_mount(const char *mountpoint) { /* see if it's already mounted */ - if (debugfs_find_mountpoint()) { - debugfs_premounted = 1; + if (debugfs_find_mountpoint()) goto out; - } /* if not mounted and no argument */ if (mountpoint == NULL) { @@ -100,15 +94,8 @@ char *debugfs_mount(const char *mountpoint) return NULL; /* save the mountpoint */ - debugfs_found = 1; + debugfs_found = true; strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint)); out: - debugfs_set_tracing_events_path(debugfs_mountpoint); return debugfs_mountpoint; } - -void debugfs_set_path(const char *mountpoint) -{ - snprintf(debugfs_mountpoint, sizeof(debugfs_mountpoint), "%s", mountpoint); - debugfs_set_tracing_events_path(mountpoint); -} diff --git a/tools/lib/lk/debugfs.h b/tools/lib/lk/debugfs.h new file mode 100644 index 00000000000..935c59bdb44 --- /dev/null +++ b/tools/lib/lk/debugfs.h @@ -0,0 +1,29 @@ +#ifndef __LK_DEBUGFS_H__ +#define __LK_DEBUGFS_H__ + +#define _STR(x) #x +#define STR(x) _STR(x) + +/* + * On most systems <limits.h> would have given us this, but not on some systems + * (e.g. GNU/Hurd). + */ +#ifndef PATH_MAX +#define PATH_MAX 4096 +#endif + +#ifndef DEBUGFS_MAGIC +#define DEBUGFS_MAGIC 0x64626720 +#endif + +#ifndef PERF_DEBUGFS_ENVIRONMENT +#define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR" +#endif + +const char *debugfs_find_mountpoint(void); +int debugfs_valid_mountpoint(const char *debugfs); +char *debugfs_mount(const char *mountpoint); + +extern char debugfs_mountpoint[]; + +#endif /* __LK_DEBUGFS_H__ */ diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt index 5ad07ef417f..e9cd39a92dc 100644 --- a/tools/perf/Documentation/perf-annotate.txt +++ b/tools/perf/Documentation/perf-annotate.txt @@ -93,6 +93,9 @@ OPTIONS --skip-missing:: Skip symbols that cannot be annotated. +--group:: + Show event group information together + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index faf4f4feebc..23e587ad549 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -52,7 +52,7 @@ OPTIONS -r:: --repeat=<n>:: - repeat command and print average + stddev (max: 100) + repeat command and print average + stddev (max: 100). 0 means forever. -B:: --big-num:: diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 39d41068484..025de796067 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -1,6 +1,7 @@ tools/perf tools/scripts tools/lib/traceevent +tools/lib/lk include/linux/const.h include/linux/perf_event.h include/linux/rbtree.h diff --git a/tools/perf/Makefile b/tools/perf/Makefile index bb74c79cd16..0230b75ed7f 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -215,6 +215,7 @@ BASIC_CFLAGS = \ -Iutil \ -I. \ -I$(TRACE_EVENT_DIR) \ + -I../lib/ \ -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE BASIC_LDFLAGS = @@ -240,19 +241,28 @@ SCRIPT_SH += perf-archive.sh grep-libs = $(filter -l%,$(1)) strip-libs = $(filter-out -l%,$(1)) +LK_DIR = ../lib/lk/ TRACE_EVENT_DIR = ../lib/traceevent/ +LK_PATH=$(LK_DIR) + ifneq ($(OUTPUT),) TE_PATH=$(OUTPUT) +ifneq ($(subdir),) + LK_PATH=$(OUTPUT)$(LK_DIR) +else + LK_PATH=$(OUTPUT) +endif else TE_PATH=$(TRACE_EVENT_DIR) endif LIBTRACEEVENT = $(TE_PATH)libtraceevent.a -TE_LIB := -L$(TE_PATH) -ltraceevent - export LIBTRACEEVENT +LIBLK = $(LK_PATH)liblk.a +export LIBLK + # python extension build directories PYTHON_EXTBUILD := $(OUTPUT)python_ext_build/ PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/ @@ -355,7 +365,6 @@ LIB_H += util/cache.h LIB_H += util/callchain.h LIB_H += util/build-id.h LIB_H += util/debug.h -LIB_H += util/debugfs.h LIB_H += util/sysfs.h LIB_H += util/pmu.h LIB_H += util/event.h @@ -416,7 +425,6 @@ 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/debugfs.o LIB_OBJS += $(OUTPUT)util/sysfs.o LIB_OBJS += $(OUTPUT)util/pmu.o LIB_OBJS += $(OUTPUT)util/environment.o @@ -503,6 +511,10 @@ LIB_OBJS += $(OUTPUT)tests/evsel-tp-sched.o LIB_OBJS += $(OUTPUT)tests/pmu.o LIB_OBJS += $(OUTPUT)tests/hists_link.o LIB_OBJS += $(OUTPUT)tests/python-use.o +LIB_OBJS += $(OUTPUT)tests/bp_signal.o +LIB_OBJS += $(OUTPUT)tests/bp_signal_overflow.o +LIB_OBJS += $(OUTPUT)tests/task-exit.o +LIB_OBJS += $(OUTPUT)tests/sw-clock.o BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o BUILTIN_OBJS += $(OUTPUT)builtin-bench.o @@ -536,7 +548,7 @@ BUILTIN_OBJS += $(OUTPUT)builtin-kvm.o BUILTIN_OBJS += $(OUTPUT)builtin-inject.o BUILTIN_OBJS += $(OUTPUT)tests/builtin-test.o -PERFLIBS = $(LIB_FILE) $(LIBTRACEEVENT) +PERFLIBS = $(LIB_FILE) $(LIBLK) $(LIBTRACEEVENT) # # Platform specific tweaks @@ -1051,6 +1063,18 @@ $(LIBTRACEEVENT): $(LIBTRACEEVENT)-clean: $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) clean +# if subdir is set, we've been called from above so target has been built +# already +$(LIBLK): +ifeq ($(subdir),) + $(QUIET_SUBDIR0)$(LK_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) liblk.a +endif + +$(LIBLK)-clean: +ifeq ($(subdir),) + $(QUIET_SUBDIR0)$(LK_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) clean +endif + help: @echo 'Perf make targets:' @echo ' doc - make *all* documentation (see below)' @@ -1171,7 +1195,7 @@ $(INSTALL_DOC_TARGETS): ### Cleaning rules -clean: $(LIBTRACEEVENT)-clean +clean: $(LIBTRACEEVENT)-clean $(LIBLK)-clean $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS) $(RM) $(ALL_PROGRAMS) perf $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* @@ -1181,6 +1205,6 @@ clean: $(LIBTRACEEVENT)-clean $(RM) $(OUTPUT)util/*-flex* $(python-clean) -.PHONY: all install clean strip $(LIBTRACEEVENT) +.PHONY: all install clean strip $(LIBTRACEEVENT) $(LIBLK) .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell .PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope .FORCE-PERF-CFLAGS diff --git a/tools/perf/arch/arm/util/dwarf-regs.c b/tools/perf/arch/arm/util/dwarf-regs.c index e8d5c551c69..33ec5b339da 100644 --- a/tools/perf/arch/arm/util/dwarf-regs.c +++ b/tools/perf/arch/arm/util/dwarf-regs.c @@ -8,10 +8,7 @@ * published by the Free Software Foundation. */ -#include <stdlib.h> -#ifndef __UCLIBC__ -#include <libio.h> -#endif +#include <stddef.h> #include <dwarf-regs.h> struct pt_regs_dwarfnum { diff --git a/tools/perf/arch/powerpc/util/dwarf-regs.c b/tools/perf/arch/powerpc/util/dwarf-regs.c index 7cdd61d0e27..733151cdf46 100644 --- a/tools/perf/arch/powerpc/util/dwarf-regs.c +++ b/tools/perf/arch/powerpc/util/dwarf-regs.c @@ -9,10 +9,7 @@ * 2 of the License, or (at your option) any later version. */ -#include <stdlib.h> -#ifndef __UCLIBC__ -#include <libio.h> -#endif +#include <stddef.h> #include <dwarf-regs.h> diff --git a/tools/perf/arch/s390/util/dwarf-regs.c b/tools/perf/arch/s390/util/dwarf-regs.c index e19653e025f..0469df02ee6 100644 --- a/tools/perf/arch/s390/util/dwarf-regs.c +++ b/tools/perf/arch/s390/util/dwarf-regs.c @@ -6,7 +6,7 @@ * */ -#include <libio.h> +#include <stddef.h> #include <dwarf-regs.h> #define NUM_GPRS 16 diff --git a/tools/perf/arch/sh/util/dwarf-regs.c b/tools/perf/arch/sh/util/dwarf-regs.c index a11edb007a6..0d0897f57a1 100644 --- a/tools/perf/arch/sh/util/dwarf-regs.c +++ b/tools/perf/arch/sh/util/dwarf-regs.c @@ -19,7 +19,7 @@ * */ -#include <libio.h> +#include <stddef.h> #include <dwarf-regs.h> /* diff --git a/tools/perf/arch/sparc/util/dwarf-regs.c b/tools/perf/arch/sparc/util/dwarf-regs.c index 0ab88483720..92eda412fed 100644 --- a/tools/perf/arch/sparc/util/dwarf-regs.c +++ b/tools/perf/arch/sparc/util/dwarf-regs.c @@ -9,7 +9,7 @@ * 2 of the License, or (at your option) any later version. */ -#include <libio.h> +#include <stddef.h> #include <dwarf-regs.h> #define SPARC_MAX_REGS 96 diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c index a794d308192..be22dd46323 100644 --- a/tools/perf/arch/x86/util/dwarf-regs.c +++ b/tools/perf/arch/x86/util/dwarf-regs.c @@ -20,7 +20,7 @@ * */ -#include <libio.h> +#include <stddef.h> #include <dwarf-regs.h> /* diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 2e6961ea318..ae36f3cb541 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -109,14 +109,16 @@ static int process_sample_event(struct perf_tool *tool, return 0; } -static int hist_entry__tty_annotate(struct hist_entry *he, int evidx, +static int hist_entry__tty_annotate(struct hist_entry *he, + struct perf_evsel *evsel, struct perf_annotate *ann) { - return symbol__tty_annotate(he->ms.sym, he->ms.map, evidx, + return symbol__tty_annotate(he->ms.sym, he->ms.map, evsel, ann->print_line, ann->full_paths, 0, 0); } -static void hists__find_annotations(struct hists *self, int evidx, +static void hists__find_annotations(struct hists *self, + struct perf_evsel *evsel, struct perf_annotate *ann) { struct rb_node *nd = rb_first(&self->entries), *next; @@ -142,14 +144,14 @@ find_next: if (use_browser == 2) { int ret; - ret = hist_entry__gtk_annotate(he, evidx, NULL); + ret = hist_entry__gtk_annotate(he, evsel, NULL); if (!ret || !ann->skip_missing) return; /* skip missing symbols */ nd = rb_next(nd); } else if (use_browser == 1) { - key = hist_entry__tui_annotate(he, evidx, NULL); + key = hist_entry__tui_annotate(he, evsel, NULL); switch (key) { case -1: if (!ann->skip_missing) @@ -168,7 +170,7 @@ find_next: if (next != NULL) nd = next; } else { - hist_entry__tty_annotate(he, evidx, ann); + hist_entry__tty_annotate(he, evsel, ann); nd = rb_next(nd); /* * Since we have a hist_entry per IP for the same @@ -230,7 +232,12 @@ static int __cmd_annotate(struct perf_annotate *ann) total_nr_samples += nr_samples; hists__collapse_resort(hists); hists__output_resort(hists); - |