diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Documentation/perf-script-perl.txt | 1 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-script-python.txt | 1 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 52 | ||||
| -rw-r--r-- | tools/perf/Makefile | 107 | ||||
| -rw-r--r-- | tools/perf/builtin-script.c | 296 | ||||
| -rw-r--r-- | tools/perf/builtin-stat.c | 573 | ||||
| -rw-r--r-- | tools/perf/config/feature-tests.mak (renamed from tools/perf/feature-tests.mak) | 16 | ||||
| -rw-r--r-- | tools/perf/config/utilities.mak | 188 | ||||
| -rw-r--r-- | tools/perf/util/include/asm/alternative-asm.h | 8 | ||||
| -rw-r--r-- | tools/perf/util/include/linux/list.h | 2 | ||||
| -rw-r--r-- | tools/perf/util/parse-events.c | 123 | ||||
| -rw-r--r-- | tools/perf/util/probe-finder.c | 73 | ||||
| -rw-r--r-- | tools/perf/util/probe-finder.h | 2 | ||||
| -rw-r--r-- | tools/perf/util/python.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/session.c | 12 | ||||
| -rw-r--r-- | tools/perf/util/session.h | 3 | ||||
| -rw-r--r-- | tools/perf/util/symbol.c | 629 | ||||
| -rw-r--r-- | tools/perf/util/symbol.h | 78 | ||||
| -rw-r--r-- | tools/perf/util/trace-event-parse.c | 1 |
19 files changed, 1600 insertions, 568 deletions
diff --git a/tools/perf/Documentation/perf-script-perl.txt b/tools/perf/Documentation/perf-script-perl.txt index 5bb41e55a3a..3152cca1550 100644 --- a/tools/perf/Documentation/perf-script-perl.txt +++ b/tools/perf/Documentation/perf-script-perl.txt @@ -63,7 +63,6 @@ The format file for the sched_wakep event defines the following fields field:unsigned char common_flags; field:unsigned char common_preempt_count; field:int common_pid; - field:int common_lock_depth; field:char comm[TASK_COMM_LEN]; field:pid_t pid; diff --git a/tools/perf/Documentation/perf-script-python.txt b/tools/perf/Documentation/perf-script-python.txt index 36b38277422..47102206911 100644 --- a/tools/perf/Documentation/perf-script-python.txt +++ b/tools/perf/Documentation/perf-script-python.txt @@ -463,7 +463,6 @@ The format file for the sched_wakep event defines the following fields field:unsigned char common_flags; field:unsigned char common_preempt_count; field:int common_pid; - field:int common_lock_depth; field:char comm[TASK_COMM_LEN]; field:pid_t pid; diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 66f040b3072..86c87e214b1 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -113,13 +113,61 @@ OPTIONS Do various checks like samples ordering and lost events. -f:: ---fields +--fields:: Comma separated list of fields to print. Options are: comm, tid, pid, time, cpu, event, trace, sym. Field - list must be prepended with the type, trace, sw or hw, + 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,sym and -f trace:time,cpu,trace + perf script -f <fields> + + is equivalent to: + + perf script -f trace:<fields> -f sw:<fields> -f hw:<fields> + + i.e., the specified fields apply to all event types if the type string + is not given. + + The arguments are processed in the order received. A later usage can + reset a prior request. e.g.: + + -f trace: -f comm,tid,time,sym + + The first -f suppresses trace events (field list is ""), but then the + second invocation sets the fields to comm,tid,time,sym. In this case a + warning is given to the user: + + "Overriding previous field request for all events." + + Alternativey, consider the order: + + -f comm,tid,time,sym -f trace: + + The first -f sets the fields for all events and the second -f + suppresses trace events. The user is given a warning message about + the override, and the result of the above is that only S/W and H/W + events are displayed with the given fields. + + For the 'wildcard' option if a user selected field is invalid for an + event type, a message is displayed to the user that the option is + ignored for that type. For example: + + $ perf script -f comm,tid,trace + 'trace' not valid for hardware events. Ignoring. + 'trace' not valid for software events. Ignoring. + + Alternatively, if the type is given an invalid field is specified it + is an error. For example: + + perf script -v -f sw:comm,tid,trace + 'trace' not valid for software events. + + At this point usage is displayed, and perf-script exits. + + Finally, a user may not set fields to none for all event types. + i.e., -f "" is not allowed. + -k:: --vmlinux=<file>:: vmlinux pathname diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 0c542563ea6..1455413ec7a 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -5,6 +5,8 @@ endif # The default target of this Makefile is... all: +include config/utilities.mak + ifneq ($(OUTPUT),) # check that the output directory actually exists OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd) @@ -13,6 +15,12 @@ endif # Define V to have a more verbose compile. # +# Define PYTHON to point to the python binary if the default +# `python' is not correct; for example: PYTHON=python2 +# +# Define PYTHON_CONFIG to point to the python-config binary if +# the default `$(PYTHON)-config' is not correct. +# # Define ASCIIDOC8 if you want to format documentation with AsciiDoc 8 # # Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72. @@ -134,7 +142,7 @@ INSTALL = install # explicitly what architecture to check for. Fix this up for yours.. SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__ --include feature-tests.mak +-include config/feature-tests.mak ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -fstack-protector-all),y) CFLAGS := $(CFLAGS) -fstack-protector-all @@ -169,12 +177,10 @@ grep-libs = $(filter -l%,$(1)) strip-libs = $(filter-out -l%,$(1)) $(OUTPUT)python/perf.so: $(PYRF_OBJS) - $(QUIET_GEN)( \ - export CFLAGS="$(BASIC_CFLAGS)"; \ - python util/setup.py --quiet build_ext --build-lib='$(OUTPUT)python' \ - --build-temp='$(OUTPUT)python/temp' \ - ) - + $(QUIET_GEN)CFLAGS='$(BASIC_CFLAGS)' $(PYTHON_WORD) util/setup.py \ + --quiet build_ext \ + --build-lib='$(OUTPUT)python' \ + --build-temp='$(OUTPUT)python/temp' # # No Perl scripts right now: # @@ -479,24 +485,74 @@ else endif endif -ifdef NO_LIBPYTHON - BASIC_CFLAGS += -DNO_LIBPYTHON +disable-python = $(eval $(disable-python_code)) +define disable-python_code + BASIC_CFLAGS += -DNO_LIBPYTHON + $(if $(1),$(warning No $(1) was found)) + $(warning Python support won't be built) +endef + +override PYTHON := \ + $(call get-executable-or-default,PYTHON,python) + +ifndef PYTHON + $(call disable-python,python interpreter) + python-clean := else - PYTHON_EMBED_LDOPTS = $(shell python-config --ldflags 2>/dev/null) - PYTHON_EMBED_LDFLAGS = $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) - PYTHON_EMBED_LIBADD = $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) - PYTHON_EMBED_CCOPTS = `python-config --cflags 2>/dev/null` - FLAGS_PYTHON_EMBED=$(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) - ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED)),y) - msg := $(warning No Python.h found, install python-dev[el] to have python support in 'perf script' and to build the python bindings) - BASIC_CFLAGS += -DNO_LIBPYTHON - else - ALL_LDFLAGS += $(PYTHON_EMBED_LDFLAGS) - EXTLIBS += $(PYTHON_EMBED_LIBADD) - LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-python.o - LIB_OBJS += $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o - LANG_BINDINGS += $(OUTPUT)python/perf.so - endif + + PYTHON_WORD := $(call shell-wordify,$(PYTHON)) + + python-clean := $(PYTHON_WORD) util/setup.py clean \ + --build-lib='$(OUTPUT)python' \ + --build-temp='$(OUTPUT)python/temp' + + ifdef NO_LIBPYTHON + $(call disable-python) + else + + override PYTHON_CONFIG := \ + $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config) + + ifndef PYTHON_CONFIG + $(call disable-python,python-config tool) + else + + PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) + + PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null) + PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS)) + 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) $(PYTHON_EMBED_LDOPTS) + + ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED)),y) + $(call disable-python,Python.h (for Python 2.x)) + else + + ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED)),y) + $(warning Python 3 is not yet supported; please set) + $(warning PYTHON and/or PYTHON_CONFIG appropriately.) + $(warning If you also have Python 2 installed, then) + $(warning try something like:) + $(warning $(and ,)) + $(warning $(and ,) make PYTHON=python2) + $(warning $(and ,)) + $(warning Otherwise, disable Python support entirely:) + $(warning $(and ,)) + $(warning $(and ,) make NO_LIBPYTHON=1) + $(warning $(and ,)) + $(error $(and ,)) + else + ALL_LDFLAGS += $(PYTHON_EMBED_LDFLAGS) + EXTLIBS += $(PYTHON_EMBED_LIBADD) + LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-python.o + LIB_OBJS += $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o + LANG_BINDINGS += $(OUTPUT)python/perf.so + endif + + endif + endif + endif endif ifdef NO_DEMANGLE @@ -837,8 +893,7 @@ clean: $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(MAKE) -C Documentation/ clean $(RM) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS - @python util/setup.py clean --build-lib='$(OUTPUT)python' \ - --build-temp='$(OUTPUT)python/temp' + $(python-clean) .PHONY: all install clean strip .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index ac574ea2391..974f6d3f4e5 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -49,57 +49,169 @@ struct output_option { }; /* default set to maintain compatibility with current format */ -static u64 output_fields[PERF_TYPE_MAX] = { - [PERF_TYPE_HARDWARE] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \ - PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \ - PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, - - [PERF_TYPE_SOFTWARE] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \ - PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \ - PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, - - [PERF_TYPE_TRACEPOINT] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \ - PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \ - PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, +static struct { + bool user_set; + bool wildcard_set; + u64 fields; + u64 invalid_fields; +} output[PERF_TYPE_MAX] = { + + [PERF_TYPE_HARDWARE] = { + .user_set = false, + + .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | + PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | + PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, + + .invalid_fields = PERF_OUTPUT_TRACE, + }, + + [PERF_TYPE_SOFTWARE] = { + .user_set = false, + + .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | + PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | + PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, + + .invalid_fields = PERF_OUTPUT_TRACE, + }, + + [PERF_TYPE_TRACEPOINT] = { + .user_set = false, + + .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | + PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | + PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, + }, + + [PERF_TYPE_RAW] = { + .user_set = false, + + .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | + PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | + PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM, + + .invalid_fields = PERF_OUTPUT_TRACE, + }, }; -static bool output_set_by_user; +static bool output_set_by_user(void) +{ + int j; + for (j = 0; j < PERF_TYPE_MAX; ++j) { + if (output[j].user_set) + return true; + } + return false; +} + +static const char *output_field2str(enum perf_output_field field) +{ + int i, imax = ARRAY_SIZE(all_output_options); + const char *str = ""; + + for (i = 0; i < imax; ++i) { + if (all_output_options[i].field == field) { + str = all_output_options[i].str; + break; + } + } + return str; +} -#define PRINT_FIELD(x) (output_fields[attr->type] & PERF_OUTPUT_##x) +#define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) -static int perf_session__check_attr(struct perf_session *session, - struct perf_event_attr *attr) +static int perf_event_attr__check_stype(struct perf_event_attr *attr, + u64 sample_type, const char *sample_msg, + enum perf_output_field field) { + int type = attr->type; + const char *evname; + + if (attr->sample_type & sample_type) + return 0; + + if (output[type].user_set) { + evname = __event_name(attr->type, attr->config); + pr_err("Samples for '%s' event do not have %s attribute set. " + "Cannot print '%s' field.\n", + evname, sample_msg, output_field2str(field)); + return -1; + } + + /* user did not ask for it explicitly so remove from the default list */ + output[type].fields &= ~field; + evname = __event_name(attr->type, attr->config); + pr_debug("Samples for '%s' event do not have %s attribute set. " + "Skipping '%s' field.\n", + evname, sample_msg, output_field2str(field)); + + return 0; +} + +static int perf_evsel__check_attr(struct perf_evsel *evsel, + struct perf_session *session) +{ + struct perf_event_attr *attr = &evsel->attr; + if (PRINT_FIELD(TRACE) && !perf_session__has_traces(session, "record -R")) return -EINVAL; if (PRINT_FIELD(SYM)) { - if (!(session->sample_type & PERF_SAMPLE_IP)) { - pr_err("Samples do not contain IP data.\n"); + if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP", + PERF_OUTPUT_SYM)) return -EINVAL; - } + if (!no_callchain && - !(session->sample_type & PERF_SAMPLE_CALLCHAIN)) + !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) symbol_conf.use_callchain = false; } if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && - !(session->sample_type & PERF_SAMPLE_TID)) { - pr_err("Samples do not contain TID/PID data.\n"); + perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID", + PERF_OUTPUT_TID|PERF_OUTPUT_PID)) return -EINVAL; - } if (PRINT_FIELD(TIME) && - !(session->sample_type & PERF_SAMPLE_TIME)) { - pr_err("Samples do not contain timestamps.\n"); + perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME", + PERF_OUTPUT_TIME)) return -EINVAL; - } if (PRINT_FIELD(CPU) && - !(session->sample_type & PERF_SAMPLE_CPU)) { - pr_err("Samples do not contain cpu.\n"); + perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU", + PERF_OUTPUT_CPU)) return -EINVAL; + + return 0; +} + +/* + * verify all user requested events exist and the samples + * have the expected data + */ +static int perf_session__check_output_opt(struct perf_session *session) +{ + int j; + struct perf_evsel *evsel; + + for (j = 0; j < PERF_TYPE_MAX; ++j) { + evsel = perf_session__find_first_evtype(session, j); + + /* + * even if fields is set to 0 (ie., show nothing) event must + * exist if user explicitly includes it on the command line + */ + if (!evsel && output[j].user_set && !output[j].wildcard_set) { + pr_err("%s events do not exist. " + "Remove corresponding -f option to proceed.\n", + event_type(j)); + return -1; + } + + if (evsel && output[j].fields && + perf_evsel__check_attr(evsel, session)) + return -1; } return 0; @@ -168,10 +280,7 @@ static void process_event(union perf_event *event __unused, { struct perf_event_attr *attr = &evsel->attr; - if (output_fields[attr->type] == 0) - return; - - if (perf_session__check_attr(session, attr) < 0) + if (output[attr->type].fields == 0) return; print_sample_start(sample, thread, attr); @@ -451,6 +560,7 @@ static int parse_output_fields(const struct option *opt __used, { char *tok; int i, imax = sizeof(all_output_options) / sizeof(struct output_option); + int j; int rc = 0; char *str = strdup(arg); int type = -1; @@ -458,52 +568,99 @@ static int parse_output_fields(const struct option *opt __used, if (!str) return -ENOMEM; - tok = strtok(str, ":"); - if (!tok) { - fprintf(stderr, - "Invalid field string - not prepended with type."); - return -EINVAL; - } - - /* first word should state which event type user - * is specifying the fields + /* first word can state for which event type the user is specifying + * the fields. If no type exists, the specified fields apply to all + * event types found in the file minus the invalid fields for a type. */ - if (!strcmp(tok, "hw")) - type = PERF_TYPE_HARDWARE; - else if (!strcmp(tok, "sw")) - type = PERF_TYPE_SOFTWARE; - else if (!strcmp(tok, "trace")) - type = PERF_TYPE_TRACEPOINT; - else { - fprintf(stderr, "Invalid event type in field string."); - return -EINVAL; + tok = strchr(str, ':'); + if (tok) { + *tok = '\0'; + tok++; + if (!strcmp(str, "hw")) + type = PERF_TYPE_HARDWARE; + else if (!strcmp(str, "sw")) + type = PERF_TYPE_SOFTWARE; + else if (!strcmp(str, "trace")) + type = PERF_TYPE_TRACEPOINT; + else if (!strcmp(str, "raw")) + type = PERF_TYPE_RAW; + else { + fprintf(stderr, "Invalid event type in field string.\n"); + return -EINVAL; + } + + if (output[type].user_set) + pr_warning("Overriding previous field request for %s events.\n", + event_type(type)); + + output[type].fields = 0; + output[type].user_set = true; + output[type].wildcard_set = false; + + } else { + tok = str; + if (strlen(str) == 0) { + fprintf(stderr, + "Cannot set fields to 'none' for all event types.\n"); + rc = -EINVAL; + goto out; + } + + if (output_set_by_user()) + pr_warning("Overriding previous field request for all events.\n"); + + for (j = 0; j < PERF_TYPE_MAX; ++j) { + output[j].fields = 0; + output[j].user_set = true; + output[j].wildcard_set = true; + } } - output_fields[type] = 0; - while (1) { - tok = strtok(NULL, ","); - if (!tok) - break; + tok = strtok(tok, ","); + while (tok) { for (i = 0; i < imax; ++i) { - if (strcmp(tok, all_output_options[i].str) == 0) { - output_fields[type] |= all_output_options[i].field; + if (strcmp(tok, all_output_options[i].str) == 0) break; - } } if (i == imax) { - fprintf(stderr, "Invalid field requested."); + fprintf(stderr, "Invalid field requested.\n"); rc = -EINVAL; - break; + goto out; } - } - if (output_fields[type] == 0) { - pr_debug("No fields requested for %s type. " - "Events will not be displayed\n", event_type(type)); + if (type == -1) { + /* add user option to all events types for + * which it is valid + */ + for (j = 0; j < PERF_TYPE_MAX; ++j) { + if (output[j].invalid_fields & all_output_options[i].field) { + pr_warning("\'%s\' not valid for %s events. Ignoring.\n", + all_output_options[i].str, event_type(j)); + } else + output[j].fields |= all_output_options[i].field; + } + } else { + if (output[type].invalid_fields & all_output_options[i].field) { + fprintf(stderr, "\'%s\' not valid for %s events.\n", + all_output_options[i].str, event_type(type)); + + rc = -EINVAL; + goto out; + } + output[type].fields |= all_output_options[i].field; + } + + tok = strtok(NULL, ","); } - output_set_by_user = true; + if (type >= 0) { + if (output[type].fields == 0) { + pr_debug("No fields requested for %s type. " + "Events will not be displayed.\n", event_type(type)); + } + } +out: free(str); return rc; } @@ -829,7 +986,7 @@ static const struct option options[] = { OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), OPT_CALLBACK('f', "fields", NULL, "str", - "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace. Fields: comm,tid,pid,time,cpu,event,trace,sym", + "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,sym", parse_output_fields), OPT_END() @@ -1020,7 +1177,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __used) struct stat perf_stat; int input; - if (output_set_by_user) { + if (output_set_by_user()) { fprintf(stderr, "custom fields not supported for generated scripts"); return -1; @@ -1060,6 +1217,11 @@ int cmd_script(int argc, const char **argv, const char *prefix __used) pr_debug("perf script started with script %s\n\n", script_name); } + + err = perf_session__check_output_opt(session); + if (err < 0) + goto out; + err = __cmd_script(session); perf_session__delete(session); diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 03f0e45f147..a9f06715e44 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -6,24 +6,28 @@ * * Sample output: - $ perf stat ~/hackbench 10 - Time: 0.104 + $ perf stat ./hackbench 10 - Performance counter stats for '/home/mingo/hackbench': + Time: 0.118 - 1255.538611 task clock ticks # 10.143 CPU utilization factor - 54011 context switches # 0.043 M/sec - 385 CPU migrations # 0.000 M/sec - 17755 pagefaults # 0.014 M/sec - 3808323185 CPU cycles # 3033.219 M/sec - 1575111190 instructions # 1254.530 M/sec - 17367895 cache references # 13.833 M/sec - 7674421 cache misses # 6.112 M/sec + Performance counter stats for './hackbench 10': - Wall-clock time elapsed: 123.786620 msecs + 1708.761321 task-clock # 11.037 CPUs utilized + 41,190 context-switches # 0.024 M/sec + 6,735 CPU-migrations # 0.004 M/sec + 17,318 page-faults # 0.010 M/sec + 5,205,202,243 cycles # 3.046 GHz + 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle + 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle + 2,603,501,247 instructions # 0.50 insns per cycle + # 1.48 stalled cycles per insn + 484,357,498 branches # 283.455 M/sec + 6,388,934 branch-misses # 1.32% of all branches + + 0.154822978 seconds time elapsed * - * Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com> + * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> * * Improvements and fixes by: * @@ -46,6 +50,7 @@ #include "util/evlist.h" #include "util/evsel.h" #include "util/debug.h" +#include "util/color.h" #include "util/header.h" #include "util/cpumap.h" #include "util/thread.h" @@ -65,14 +70,107 @@ static struct perf_event_attr default_attrs[] = { { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, }; +/* + * Detailed stats (-d), covering the L1 and last level data caches: + */ +static struct perf_event_attr detailed_attrs[] = { + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_L1D << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_L1D << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_LL << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_LL << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, +}; + +/* + * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: + */ +static struct perf_event_attr very_detailed_attrs[] = { + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_L1I << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_L1I << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_DTLB << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_DTLB << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_ITLB << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_ITLB << 0 | + (PERF_COUNT_HW_CACHE_OP_READ << 8) | + (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, + +}; + +/* + * Very, very detailed stats (-d -d -d), adding prefetch events: + */ +static struct perf_event_attr very_very_detailed_attrs[] = { + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_L1D << 0 | + (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | + (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, + + { .type = PERF_TYPE_HW_CACHE, + .config = + PERF_COUNT_HW_CACHE_L1D << 0 | + (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | + (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, +}; + + + struct perf_evlist *evsel_list; static bool system_wide = false; @@ -86,6 +184,8 @@ static pid_t target_pid = -1; static pid_t target_tid = -1; static pid_t child_pid = -1; static bool null_run = false; +static int detailed_run = 0; +static bool sync_run = false; static bool big_num = true; static int big_num_opt = -1; static const char *cpu_list; @@ -156,7 +256,15 @@ static double stddev_stats(struct stats *stats) struct stats runtime_nsecs_stats[MAX_NR_CPUS]; struct stats runtime_cycles_stats[MAX_NR_CPUS]; +struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS]; +struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS]; struct stats runtime_branches_stats[MAX_NR_CPUS]; +struct stats runtime_cacherefs_stats[MAX_NR_CPUS]; +struct stats runtime_l1_dcache_stats[MAX_NR_CPUS]; +struct stats runtime_l1_icache_stats[MAX_NR_CPUS]; +struct stats runtime_ll_cache_stats[MAX_NR_CPUS]; +struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; +struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; struct stats walltime_nsecs_stats; static int create_perf_stat_counter(struct perf_evsel *evsel) @@ -193,6 +301,37 @@ static inline int nsec_counter(struct perf_evsel *evsel) } /* + * Update various tracking values we maintain to print + * more semantic information such as miss/hit ratios, + * instruction rates, etc: + */ +static void update_shadow_stats(struct perf_evsel *counter, u64 *count) +{ + if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) + update_stats(&runtime_nsecs_stats[0], count[0]); + else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) + update_stats(&runtime_cycles_stats[0], count[0]); + else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) + update_stats(&runtime_stalled_cycles_front_stats[0], count[0]); + else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) + update_stats(&runtime_stalled_cycles_back_stats[0], count[0]); + else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) + update_stats(&runtime_branches_stats[0], count[0]); + else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) + update_stats(&runtime_cacherefs_stats[0], count[0]); + else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) + update_stats(&runtime_l1_dcache_stats[0], count[0]); + else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) + update_stats(&runtime_l1_icache_stats[0], count[0]); + else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL)) + update_stats(&runtime_ll_cache_stats[0], count[0]); + else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) + update_stats(&runtime_dtlb_cache_stats[0], count[0]); + else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) + update_stats(&runtime_itlb_cache_stats[0], count[0]); +} + +/* * Read out the results of a single counter: * aggregate counts across CPUs in system-wide mode */ @@ -217,12 +356,7 @@ static int read_counter_aggr(struct perf_evsel *counter) /* * Save the full runtime - to allow normalization during printout: */ - if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) - update_stats(&runtime_nsecs_stats[0], count[0]); - if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) - update_stats(&runtime_cycles_stats[0], count[0]); - if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) - update_stats(&runtime_branches_stats[0], count[0]); + update_shadow_stats(counter, count); return 0; } @@ -242,12 +376,7 @@ static int read_counter(struct perf_evsel *counter) count = counter->counts->cpu[cpu].values; - if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) - update_stats(&runtime_nsecs_stats[cpu], count[0]); - if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) - update_stats(&runtime_cycles_stats[cpu], count[0]); - if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) - update_stats(&runtime_branches_stats[cpu], count[0]); + update_shadow_stats(counter, count); } return 0; @@ -315,13 +444,18 @@ static int run_perf_stat(int argc __used, const char **argv) list_for_each_entry(counter, &evsel_list->entries, node) { if (create_perf_stat_counter(counter) < 0) { - if (errno == -EPERM || errno == -EACCES) { + if (errno == EINVAL || errno == ENOSYS || errno == ENOENT) { + if (verbose) + ui__warning("%s event is not supported by the kernel.\n", + event_name(counter)); + continue; + } + + if (errno == EPERM || errno == EACCES) { error("You may not have permission to collect %sstats.\n" "\t Consider tweaking" " /proc/sys/kernel/perf_event_paranoid or running as root.", system_wide ? "system-wide " : ""); - } else if (errno == ENOENT) { - error("%s event is not supported. ", event_name(counter)); } else { error("open_counter returned with %d (%s). " "/bin/dmesg may provide additional information.\n", @@ -372,6 +506,16 @@ static int run_perf_stat(int argc __used, const char **argv) return WEXITSTATUS(status); } +static void print_noise_pct(double total, double avg) +{ + double pct = 0.0; + + if (avg) + pct = 100.0*total/avg; + + fprintf(stderr, " ( +-%6.2f%% )", pct); +} + static void print_noise(struct perf_evsel *evsel, double avg) { struct perf_stat *ps; @@ -380,15 +524,14 @@ static void print_noise(struct perf_evsel *evsel, double avg) return; ps = evsel->priv; - fprintf(stderr, " ( +- %7.3f%% )", - 100 * stddev_stats(&ps->res_stats[0]) / avg); + print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); } static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg) { double msecs = avg / 1e6; char cpustr[16] = { '\0', }; - const char *fmt = csv_output ? "%s%.6f%s%s" : "%s%18.6f%s%-24s"; + const char *fmt = csv_output ? "%s%.6f%s%s" : "%s%18.6f%s%-25s"; if (no_aggr) sprintf(cpustr, "CPU%*d%s", @@ -404,8 +547,191 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg) return; if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) - fprintf(stderr, " # %10.3f CPUs ", - avg / avg_stats(&walltime_nsecs_stats)); + fprintf(stderr, " # %8.3f CPUs utilized ", avg / avg_stats(&walltime_nsecs_stats)); +} + +static void print_stalled_cycles_frontend(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_cycles_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 50.0) + color = PERF_COLOR_RED; + else if (ratio > 30.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 10.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " frontend cycles idle "); +} + +static void print_stalled_cycles_backend(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_cycles_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 75.0) + color = PERF_COLOR_RED; + else if (ratio > 50.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 20.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " backend cycles idle "); +} + +static void print_branch_misses(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_branches_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 20.0) + color = PERF_COLOR_RED; + else if (ratio > 10.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 5.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " of all branches "); +} + +static void print_l1_dcache_misses(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_l1_dcache_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 20.0) + color = PERF_COLOR_RED; + else if (ratio > 10.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 5.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " of all L1-dcache hits "); +} + +static void print_l1_icache_misses(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_l1_icache_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 20.0) + color = PERF_COLOR_RED; + else if (ratio > 10.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 5.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " of all L1-icache hits "); +} + +static void print_dtlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_dtlb_cache_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 20.0) + color = PERF_COLOR_RED; + else if (ratio > 10.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 5.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " of all dTLB cache hits "); +} + +static void print_itlb_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_itlb_cache_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 20.0) + color = PERF_COLOR_RED; + else if (ratio > 10.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 5.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " of all iTLB cache hits "); +} + +static void print_ll_cache_misses(int cpu, struct perf_evsel *evsel __used, double avg) +{ + double total, ratio = 0.0; + const char *color; + + total = avg_stats(&runtime_ll_cache_stats[cpu]); + + if (total) + ratio = avg / total * 100.0; + + color = PERF_COLOR_NORMAL; + if (ratio > 20.0) + color = PERF_COLOR_RED; + else if (ratio > 10.0) + color = PERF_COLOR_MAGENTA; + else if (ratio > 5.0) + color = PERF_COLOR_YELLOW; + + fprintf(stderr, " # "); + color_fprintf(stderr, color, "%6.2f%%", ratio); + fprintf(stderr, " of all LL-cache hits "); } static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) @@ -417,9 +743,9 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) if (csv_output) fmt = "%s%.0f%s%s"; else if (big_num) - fmt = "%s%'18.0f%s%-24s"; + fmt = "%s%'18.0f%s%-25s"; else - fmt = "%s%18.0f%s%-24s"; + fmt = "%s%18.0f%s%-25s"; if (no_aggr) sprintf(cpustr, "CPU%*d%s", @@ -442,23 +768,83 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) if (total) ratio = avg / total; - fprintf(stderr, " # %10.3f IPC ", ratio); + fprintf(stderr, " # %5.2f insns per cycle ", ratio); + + total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]); + total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu])); + + if (total && avg) { + ratio = total / avg; + fprintf(stderr, "\n # %5.2f stalled cycles per insn", ratio); + } + } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && runtime_branches_stats[cpu].n != 0) { - total = avg_stats(&runtime_branches_stats[cpu]); + print_branch_misses(cpu, evsel, avg); + } else if ( + evsel->attr.type == PERF_TYPE_HW_CACHE && + evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && + runtime_l1_dcache_stats[cpu].n != 0) { + print_l1_dcache_misses(cpu, evsel, avg); + } else if ( + evsel->attr.type == PERF_TYPE_HW_CACHE && + evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && + runtime_l1_icache_stats[cpu].n != 0) { + print_l1_icache_misses(cpu, evsel, avg); + } else if ( + evsel->attr.type == PERF_TYPE_HW_CACHE && + evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && + runtime_dtlb_cache_stats[cpu].n != 0) { + print_dtlb_cache_misses(cpu, evsel, avg); + } else if ( + evsel->attr.type == PERF_TYPE_HW_CACHE && + evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && + runtime_itlb_cache_stats[cpu].n != 0) { + print_itlb_cache_misses(cpu, evsel, avg); + } else if ( + evsel->attr.type == PERF_TYPE_HW_CACHE && + evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL | + ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | + ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && + runtime_ll_cache_stats[cpu].n != 0) { + print_ll_cache_misses(cpu, evsel, avg); + } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) && + runtime_cacherefs_stats[cpu].n != 0) { + total = avg_stats(&runtime_cacherefs_stats[cpu]); if (total) ratio = avg * 100 / total; - fprintf(stderr, " # %10.3f %% ", ratio); + fprintf(stderr, " # %8.3f %% of all cache refs ", ratio); + + } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { + print_stalled_cycles_frontend(cpu, evsel, avg); + } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { + print_stalled_cycles_backend(cpu, evsel, avg); + } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { + total = avg_stats(&runtime_nsecs_stats[cpu]); + if (total) + ratio = 1.0 * avg / total; + + fprintf(stderr, " # %8.3f GHz ", ratio); } else if (runtime_nsecs_stats[cpu].n != 0) { total = avg_stats(&runtime_nsecs_stats[cpu]); if (total) ratio = 1000.0 * avg / total; - fprintf(stderr, " # %10.3f M/sec", ratio); + fprintf(stderr, " # %8.3f M/sec ", ratio); + } else { + fprintf(stderr, " "); } } @@ -505,8 +891,7 @@ static void print_counter_aggr(struct perf_evsel *counter) avg_enabled = avg_stats(&ps->res_stats[1]); avg_running = avg_stats(&ps->res_stats[2]); - fprintf(stderr, " (scaled from %.2f%%)", - 100 * avg_running / avg_enabled); + fprintf(stderr, " [%5.2f%%]", 100 * avg_running / avg_enabled); } fprintf(stderr, "\n"); } @@ -548,10 +933,8 @@ static void print_counter(struct perf_evsel *counter) if (!csv_output) { print_noise(counter, 1.0); - if (run != ena) { - fprintf(stderr, " (scaled from %.2f%%)", - 100.0 * run / ena); - } + if (run != ena) + fprintf(stderr, " (%.2f%%)", 100.0 * run / ena); } fputc('\n', stderr); } @@ -591,13 +974,14 @@ static void print_stat(int argc, const char **argv) } if (!csv_output) { - fprintf(stderr, "\n"); - fprintf(stderr, " %18.9f seconds time elapsed", + if (!null_run) + fprintf(stderr, "\n"); + fprintf(stderr, " %17.9f seconds time elapsed", avg_stats(&walltime_nsecs_stats)/1e9); if (run_count > 1) { - fprintf(stderr, " ( +- %7.3f%% )", - 100*stddev_stats(&walltime_nsecs_stats) / - avg_stats(&walltime_nsecs_stats)); + fprintf(stderr, " "); + print_noise_pct(stddev_stats(&walltime_nsecs_stats), + avg_stats(&walltime_nsecs_stats)); } fprintf(stderr, "\n\n"); } @@ -659,6 +1043,10 @@ static const struct option options[] = { "repeat command and print average + stddev (max: 100)"), OPT_BOOLEAN('n', "null", &null_run, "null run - dont start any counters"), + OPT_INCR('d', "detailed", &detailed_run, + "detailed run - start a lot of events"), + OPT_BOOLEAN('S', "sync", &sync_run, + "call sync() before starting a run"), OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, "print large numbers with thousands\' separators", stat__set_big_num), @@ -674,6 +1062,70 @@ static const struct option options[] = { OPT_END() }; +/* + * Add default attributes, if there were no attributes specified or + * if -d/--detailed, -d -d or -d -d -d is used: + */ +static int add_default_attributes(void) +{ + struct perf_evsel *pos; + size_t attr_nr = 0; + size_t c; + + /* Set attrs if no event is selected and !null_run: */ + if (null_run) + return 0; + + if (!evsel_list->nr_entries) { + for (c = 0; c < ARRAY_SIZE(default_attrs); c++) { + pos = perf_evsel__new(default_attrs + c, c + attr_nr); + if (pos == NULL) + return -1; + perf_evlist__add(evsel_list, pos); + } + attr_nr += c; + } + + /* Detailed events get appended to the event list: */ + + if (detailed_run < 1) + return 0; + + /* Append detailed run extra attributes: */ + for (c = 0; c < ARRAY_SIZE(detailed_attrs); c++) { + pos = perf_evsel__new(detailed_attrs + c, c + attr_nr); + if (pos == NULL) + return -1; + perf_evlist__add(evsel_list, pos); + } + attr_nr += c; + + if (detailed_run < 2) + return 0; + + /* Append very detailed run extra attributes: */ + for (c = 0; c < ARRAY_SIZE(very_detailed_attrs); c++) { + pos = perf_evsel__new(very_detailed_attrs + c, c + attr_nr); + if (pos == NULL) + return -1; + perf_evlist__add(evsel_list, pos); + } + + if (detailed_run < 3) + return 0; + + /* Append very, very detailed run extra attributes: */ + for (c = 0; c < ARRAY_SIZE(very_very_detailed_attrs); c++) { + pos = perf_evsel__new(very_very_detailed_attrs + c, c + attr_nr); + if (pos == NULL) + return -1; + perf_evlist__add(evsel_list, pos); + } + + + return 0; +} + int cmd_stat(int argc, const char **argv, const char *prefix __used) { struct perf_evsel *pos; @@ -719,17 +1171,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) usage_with_options(stat_usage, options); } - /* Set attrs and nr_counters if no event is selected and !null_run */ - if (!null_run && !evsel_list->nr_entries) { - size_t c; - - for (c = 0; c < ARRAY_SIZE(default_attrs); ++c) { - pos = perf_evsel__new(&default_attrs[c], c); - if (pos == NULL) - goto out; - perf_evlist__add(evsel_list, pos); - } - } + if (add_default_attributes()) + goto out; if (target_pid != -1) target_tid = target_pid; @@ -773,6 +1216,10 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) for (run_idx = 0; run_idx < run_count; run_idx++) { if (run_count != 1 && verbose) fprintf(stderr, "[ perf stat: executing run #%d ... ]\n", run_idx + 1); + + if (sync_run) + sync(); + status = run_perf_stat(argc, argv); } diff --git a/tools/perf/feature-tests.mak b/tools/perf/config/feature-tests.mak index b041ca67a2c..6170fd2531b 100644 --- a/tools/perf/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -79,9 +79,15 @@ endef endif ifndef NO_LIBPYTHON +define SOURCE_PYTHON_VERSION +#include <Python.h> +#if PY_VERSION_HEX >= 0x03000000 + #error +#endif +int main(void){} +endef define SOURCE_PYTHON_EMBED #include <Python.h> - int main(void) { Py_Initialize(); @@ -120,11 +126,3 @@ int main(void) return 0; } endef - -# try-cc -# Usage: option = $(call try-cc, source-to-build, cc-options) -try-cc = $(shell sh -c \ - 'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \ - echo "$(1)" | \ - $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \ - rm -f "$$TMP"') diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak new file mode 100644 index 00000000000..8046182a19e --- /dev/null +++ b/tools/perf/config/utilities.mak @@ -0,0 +1,188 @@ +# This allows us to work with the newline character: +define newline + + +endef +newline := $(newline) + +# nl-escape +# +# Usage: escape = $(call nl-escape[,escape]) +# +# This is used as the common way to specify +# what should replace a newline when escaping +# newlines; the default is a bizarre string. +# +nl-escape = $(or $(1),m822df3020w6a44id34bt574ctac44eb9f4n) + +# escape-nl +# +# Usage: escaped-text = $(call escape-nl,text[,escape]) +# +# GNU make's $(shell ...) function converts to a +# single space each newline character in the output +# produced during the expansion; this may not be +# desirable. +# +# The only solution is to change each newline into +# something that won't be converted, so that the +# information can be recovered later with +# $(call unescape-nl...) +# +escape-nl = $(subst $(newline),$(call nl-escape,$(2)),$(1)) + +# unescape-nl +# +# Usage: text = $(call unescape-nl,escaped-text[,escape]) +# +# See escape-nl. +# +unescape-nl = $(subst $(call nl-escape,$(2)),$(newline),$(1)) + +# shell-escape-nl +# +# Usage: $(shell some-command | $(call shell-escape-nl[,escape])) +# +# Use this to escape newlines from within a shell call; +# the default escape is a bizarre string. +# +# NOTE: The escape is used directly as a string constant +# in an `awk' program that is delimited by shell +# single-quotes, so be wary of the characters +# that are chosen. +# +define shell-escape-nl +awk 'NR==1 {t=$$0} NR>1 {t=t "$(nl-escape)" $$0} END {printf t}' +endef + +# shell-unescape-nl +# +# Usage: $(shell some-command | $(call shell-unescape-nl[,escape])) +# +# Use this to unescape newlines from within a shell call; +# the default escape is a bizarre string. +# +# NOTE: The escape is used directly as an extended regular +# expression constant in an `awk' program that is +# delimited by shell single-quotes, so be wary +# of the characters that are chosen. +# +# (The bash shell has a bug where `{gsub(...),...}' is +# misinterpreted as a brace expansion; this can be +# overcome by putting a space between `{' and `gsub'). +# +define shell-unescape-nl +awk 'NR==1 {t=$$0} NR>1 {t=t "\n" $$0} END { gsub(/$(nl-escape)/,"\n",t); printf t }' +endef + +# escape-for-shell-sq +# +# Usage: embeddable-text = $(call escape-for-shell-sq,text) +# +# This function produces text that is suitable for +# embedding in a shell string that is delimited by +# single-quotes. +# +escape-for-shell-sq = $(subst ','\'',$(1)) + +# shell-sq +# +# Usage: single-quoted-and-escaped-text = $(call shell-sq,text) +# +shell-sq = '$(escape-for-shell-sq)' + +# shell-wordify +# +# Usage: wordified-text = $(call shell-wordify,text) +# +# For instance: +# +# |define text +# |hello +# |world +# |endef +# | +# |target: +# | echo $(call shell-wordify,$(text)) +# +# At least GNU make gets confused by expanding a newline +# within the context of a command line of a makefile rule +# (this is in constrast to a `$(shell ...)' function call, +# which can handle it just fine). +# +# This function avoids the problem by producing a string +# that works as a shell word, regardless of whether or +# not it contains a newline. +# +# If the text to be wordified contains a newline, then +# an intrictate shell command substitution is constructed +# to render the text as a single line; when the shell +# processes the resulting escaped text, it transforms +# it into the original unescaped text. +# +# If the text does not contain a newline, then this function +# produces the same results as the `$(shell-sq)' function. +# +shell-wordify = $(if $(findstring $(newline),$(1)),$(_sw-esc-nl),$(shell-sq)) +define _sw-esc-nl +"$$(echo $(call escape-nl,$(shell-sq),$(2)) | $(call shell-unescape-nl,$(2)))" +endef + +# is-absolute +# +# Usage: bool-value = $(call is-absolute,path) +# +is-absolute = $(shell echo $(shell-sq) | grep ^/ -q && echo y) + +# lookup +# +# Usage: absolute-executable-path-or-empty = $(call lookup,path) +# +# (It's necessary to use `sh -c' because GNU make messes up by +# trying too hard and getting things wrong). +# +lookup = $(call unescape-nl,$(shell sh -c $(_l-sh))) +_l-sh = $(call shell-sq,command -v $(shell-sq) | $(call shell-escape-nl,)) + +# is-executable +# +# Usage: bool-value = $(call is-executable,path) +# +# (It's necessary to use `sh -c' because GNU make messes up by +# trying too hard and getting things wrong). +# +is-executable = $(call _is-executable-helper,$(shell-sq)) +_is-executable-helper = $(shell sh -c $(_is-executable-sh)) +_is-executable-sh = $(call shell-sq,test -f $(1) -a -x $(1) && echo y) + +# get-executable +# +# Usage: absolute-executable-path-or-empty = $(call get-executable,path) +# +# The goal is to get an absolute path for an executable; +# the `command -v' is defined by POSIX, but it's not +# necessarily very portable, so it's only used if +# relative path resolution is requested, as determined +# by the presence of a leading `/'. +# +get-executable = $(if $(1),$(if $(is-absolute),$(_ge-abspath),$(lookup))) +_ge-abspath = $(if $(is-executable),$(1)) + +# get-supplied-or-default-executable +# +# Usage: absolute-executable-path-or-empty = $(call get-executable-or-default,variable,default) +# +define get-executable-or-default +$(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2))) +endef +_ge_attempt = $(or $(get-executable),$(_gea_warn),$(call _gea_err,$(2))) +_gea_warn = $(warning The path '$(1)' is not executable.) +_gea_err = $(if $(1),$(error Please set '$(1)' appropriately)) + +# try-cc +# Usage: option = $(call try-cc, source-to-build, cc-options) +try-cc = $(shell sh -c \ + 'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \ + echo "$(1)" | \ + $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \ + rm -f "$$TMP"') diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h new file mode 100644 index 00000000000..6789d788d49 --- /dev/null +++ b/tools/perf/util/include/asm/alternative-asm.h @@ -0,0 +1,8 @@ +#ifndef _PERF_ASM_ALTERNATIVE_ASM_H +#define _PERF_ASM_ALTERNATIVE_ASM_H + +/* Just disable it so we can build arch/x86/lib/memcpy_64.S for perf bench: */ + +#define altinstruction_entry # + +#endif diff --git a/tools/perf/util/include/linux/list.h b/tools/perf/util/include/linux/list.h index 356c7e467b8..99358d61e9a 100644 --- a/tools/perf/util/include/linux/list.h +++ b/tools/perf/util/include/linux/list.h @@ -23,5 +23,5 @@ static inline void list_del_range(struct list_head *begin, * @head: the head for your list. */ #define list_for_each_from(pos, head) \ - for (; prefetch(pos->next), pos != (head); pos = pos->next) + for (; pos != (head); pos = pos->next) #endif diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 952b4ae3d95..41982c373fa 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -31,34 +31,36 @@ char debugfs_path[MAXPATHLEN]; #define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x static struct event_symbol event_symbols[] = { - { CHW(CPU_CYCLES), "cpu-cycles", "cycles" }, - { CHW(INSTRUCTIONS), "instructions", "" }, - { CHW(CACHE_REFERENCES), "cache-references", "" }, - { CHW(CACHE_MISSES), "cache-misses", "" }, - { CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" }, - { CHW(BRANCH_MISSES), "branch-misses", "" }, - { CHW(BUS_CYCLES), "bus-cycles", "" }, - - { CSW(CPU_CLOCK), "cpu-clock", "" }, - { CSW(TASK_CLOCK), "task-clock", "" }, - { CSW(PAGE_FAULTS), "page-faults", "faults" }, - { CSW(PAGE_FAULTS_MIN), "minor-faults", "" }, - { CSW(PAGE_FAULTS_MAJ), "major-faults", "" }, - { CSW(CONTEXT_SWITCHES), "context-switches", "cs" }, - { CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" }, - { CSW(ALIGNMENT_FAULTS), "alignment-faults", "" }, - { CSW(EMULATION_FAULTS), "emulation-faults", "" }, + { CHW(CPU_CYCLES), "cpu-cycles", "cycles" }, + { CHW(STALLED_CYCLES_FRONTEND), "stalled-cycles-frontend", "idle-cycles-frontend" }, + { CHW(STALLED_CYCLES_BACKEND), "stalled-cycles-backend", "idle-cycles-backend" }, + { CHW(INSTRUCTIONS), "instructions", "" }, + { CHW(CACHE_REFERENCES), "cache-references", "" }, + { CHW(CACHE_MISSES), "cache-misses", "" }, + { CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" }, + { CHW(BRANCH_MISSES), "branch-misses", "" }, + { CHW(BUS_CYCLES), "bus-cycles", "" }, + + { CSW(CPU_CLOCK), "cpu-clock", "" }, + { CSW(TASK_CLOCK), "task-clock", "" }, + { CSW(PAGE_FAULTS), "page-faults", "faults" }, + { CSW(PAGE_FAULTS_MIN), "minor-faults", "" }, + { CSW(PAGE_FAULTS_MAJ), "major-faults", "" }, + { CSW(CONTEXT_SWITCHES), "context-switches", "cs" }, + { CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" }, + { CSW(ALIGNMENT_FAULTS), "alignment-faults", "" }, + { CSW(EMULATION_FAULTS), "emulation-faults", "" }, }; #define __PERF_EVENT_FIELD(config, name) \ ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) -#define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) +#define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) -#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) +#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) -static const char *hw_event_names[] = { +static const char *hw_event_names[PERF_COUNT_HW_MAX] = { "cycles", "instructions", "cache-references", @@ -66,11 +68,13 @@ static const char *hw_event_names[] = { "branches", "branch-misses", "bus-cycles", + "stalled-cycles-frontend", + "stalled-cycles-backend", }; -static const char *sw_event_names[] = { - "cpu-clock-msecs", - "task-clock-msecs", +static const char *sw_event_names[PERF_COUNT_SW_MAX] = { + "cpu-clock", + "task-clock", "page-faults", "context-switches", "CPU-migrations", @@ -307,7 +311,7 @@ const char *__event_name(int type, u64 config) switch (type) { case PERF_TYPE_HARDWARE: - if (config < PERF_COUNT_HW_MAX) + if (config < PERF_COUNT_HW_MAX && hw_event_names[config]) return hw_event_names[config]; return "unknown-hardware"; @@ -333,7 +337,7 @@ const char *__event_name(int type, u64 config) } case PERF_TYPE_SOFTWARE: - if (config < PERF_COUNT_SW_MAX) + if (config < PERF_COUNT_SW_MAX && sw_event_names[config]) return sw_event_names[config]; return "unknown-software"; @@ -648,13 +652,15 @@ static int check_events(const char *str, unsigned int i) int n; n = strlen(event_symbols[i].symbol); - if (!strncmp(str, event_symbols[i].symbol, n)) + if (!strncasecmp(str, event_symbols[i].symbol, n)) return n; n = strlen(event_symbols[i].alias); - if (n) - if (!strncmp(str, event_symbols[i].alias, n)) + if (n) { + if (!strncasecmp(str, event_symbols[i].alias, n)) return n; + } + return 0; } @@ -718,15 +724,22 @@ parse_numeric_event(const char **strp, struct perf_event_attr *attr) return EVT_FAILED; } -static enum event_result +static int parse_event_modifier(const char **strp, struct perf_event_attr *attr) { const char *str = *strp; int exclude = 0; int eu = 0, ek = 0, eh = 0, precise = 0; - if (*str++ != ':') + if (!*str) + return 0; + + if (*str == ',') return 0; + + if (*str++ != ':') + return -1; + while (*str) { if (*str == 'u') { if (!exclude) @@ -747,14 +760,16 @@ parse_event_modifier(const char **strp, struct perf_event_attr *attr) ++str; } - if (str >= *strp + 2) { - *strp = str; - attr->exclude_user = eu; - attr->exclude_kernel = ek; - attr->exclude_hv = eh; - attr->precise_ip = precise; - return 1; - } + if (str < *strp + 2) + return -1; + + *strp = str; + + attr->exclude_user = eu; + attr->exclude_kernel = ek; + attr->exclude_hv = eh; + attr->precise_ip = precise; + return 0; } @@ -797,7 +812,12 @@ parse_event_symbols(const struct option *opt, const char **str, return EVT_FAILED; modifier: - parse_event_modifier(str, attr); + if (parse_event_modifier(str, attr) < 0) { + fprintf(stderr, "invalid event modifier: '%s'\n", *str); + fprintf(stderr, "Run 'perf list' for a list of valid events and modifiers\n"); + + return EVT_FAILED; + } return ret; } @@ -912,7 +932,7 @@ void print_tracepoint_events(const char *subsys_glob, const char *event_glob) snprintf(evt_path, MAXPATHLEN, "%s:%s", sys_dirent.d_name, evt_dirent.d_name); - printf(" %-42s [%s]\n", evt_path, + printf(" %-50s [%s]\n", evt_path, event_type_descriptors[PERF_TYPE_TRACEPOINT]); } closedir(evt_dir); @@ -977,7 +997,7 @@ void print_events_type(u8 type) else snprintf(name, sizeof(name), "%s", syms->symbol); - printf(" %-42s [%s]\n", name, + printf(" %-50s [%s]\n", name, event_type_descriptors[type]); } } @@ -995,11 +1015,10 @@ int print_hwcache_events(const char *event_glob) for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { char *name = event_cache_name(type, op, i); - if (event_glob != NULL && - !strglobmatch(name, event_glob)) + if (event_glob != NULL && !strglobmatch(name, event_glob)) continue; - printf(" %-42s [%s]\n", name, + printf(" %-50s [%s]\n", name, event_type_descriptors[PERF_TYPE_HW_CACHE]); ++printed; } @@ -1009,14 +1028,16 @@ int print_hwcache_events(const char *event_glob) return printed; } +#define MAX_NAME_LEN 100 + /* * Print the help text for the event symbols: */ void print_events(const char *event_glob) { - struct event_symbol *syms = event_symbols; unsigned int i, type, prev_type = -1, printed = 0, ntypes_printed = 0; - char name[40]; + struct event_symbol *syms = event_symbols; + char name[MAX_NAME_LEN]; printf("\n"); printf("List of pre-defined events (to be used in -e):\n"); @@ -1036,10 +1057,10 @@ void print_events(const char *event_glob) continue; if (strlen(syms->alias)) - sprintf(name, "%s OR %s", syms->symbol, syms->alias); + snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); else - strcpy(name, syms->symbol); - printf(" %-42s [%s]\n", name, + strncpy(name, syms->symbol, MAX_NAME_LEN); + printf(" %-50s [%s]\n", name, event_type_descriptors[type]); prev_type = type; @@ -1056,12 +1077,12 @@ void print_events(const char *event_glob) return; printf("\n"); - printf(" %-42s [%s]\n", + printf(" %-50s [%s]\n", "rNNN (see 'perf list --help' on how to encode it)", event_type_descriptors[PERF_TYPE_RAW]); printf("\n"); - printf(" %-42s [%s]\n", + printf(" %-50s [%s]\n", "mem:<addr>[:access]", event_type_descriptors[PERF_TYPE_BREAKPOINT]); printf("\n"); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index b7c85ce466a..3b9d0b800d5 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -1471,6 +1471,38 @@ static int find_probe_point_by_func(struct probe_finder *pf) return _param.retval; } +struct pubname_callback_param { + char *function; + char *file; + Dwarf_Die *cu_die; + Dwarf_Die *sp_die; + int found; +}; + +static int pubname_search_cb(Dwarf *dbg, Dwarf_Global *gl, void *data) +{ + struct pubname_callback_param *param = data; + + if (dwarf_offdie(dbg, gl->die_offset, param->sp_die)) { + if (dwarf_tag(param->sp_die) != DW_TAG_subprogram) + return DWARF_CB_OK; + + if (die_compare_name(param->sp_die, param->function)) { + if (!dwarf_offdie(dbg, gl->cu_offset, param->cu_die)) + return DWARF_CB_OK; + + if (param->file && + strtailcmp(param->file, dwarf_decl_file(param->sp_die))) + return DWARF_CB_OK; + + param->found = 1; + return DWARF_CB_ABORT; + } + } + + return DWARF_CB_OK; +} + /* Find probe points from debuginfo */ static int find_probes(int fd, struct probe_finder *pf) { @@ -1498,6 +1530,28 @@ static int find_probes(int fd, struct probe_finder *pf) off = 0; line_list__init(&pf->lcache); + + /* Fastpath: lookup by function name from .debug_pubnames section */ + if (pp->function) { + struct pubname_callback_param pubname_param = { + .function = pp->function, + .file = pp->file, + .cu_die = &pf->cu_die, + .sp_die = &pf->sp_die, + .found = 0, + }; + struct dwarf_callback_param probe_param = { + .data = pf, + }; + + dwarf_getpubnames(dbg, pubname_search_cb, &pubname_param, 0); + if (pubname_param.found) { + ret = probe_point_search_cb(&pf->sp_die, &probe_param); + if (ret) + goto found; + } + } + /* Loop on CUs (Compilation Unit) */ while (!dwarf_nextcu(dbg, off, &noff, &cuhl, NULL, NULL, NULL)) { /* Get the DIE(Debugging Information Entry) of this CU */ @@ -1525,6 +1579,8 @@ static int find_probes(int fd, struct probe_finder *pf) } off = noff; } + +found: line_list__free(&pf->lcache); if (dwfl) dwfl_end(dwfl); @@ -1946,6 +2002,22 @@ int find_line_range(int fd, struct line_range *lr) return -EBADF; } + /* Fastpath: lookup by function name from .debug_pubnames section */ + if (lr->function) { + struct pubname_callback_param pubname_param = { + .function = lr->function, .file = lr->file, + .cu_die = &lf.cu_die, .sp_die = &lf.sp_die, .found = 0}; + struct dwarf_callback_param line_range_param = { + .data = (void *)&lf, .retval = 0}; + + dwarf_getpubnames(dbg, pubname_search_cb, &pubname_param, 0); + if (pubname_param.found) { + line_range_search_cb(&lf.sp_die, &line_range_param); + if (lf.found) + goto found; + } + } + /* Loop on CUs (Compilation Unit) */ while (!lf.found && ret >= 0) { if (dwarf_nextcu(dbg, off, &noff, &cuhl, NULL, NULL, NULL) != 0) @@ -1974,6 +2046,7 @@ int find_line_range(int fd, struct line_range *lr) off = noff; } +found: /* Store comp_dir */ if (lf.found) { comp_dir = cu_get_comp_dir(&lf.cu_die); diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index beaefc3c122..605730a366d 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -49,6 +49,7 @@ struct probe_finder { Dwarf_Addr addr; /* Address */ 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 */ /* For variable searching */ @@ -83,6 +84,7 @@ struct line_finder { int lno_s; /* Start line number */ int lno_e; /* End line number */ Dwarf_Die cu_die; /* Current CU */ + Dwarf_Die sp_die; int found; }; diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 99c722672f8..b5c7d818001 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -810,6 +810,9 @@ static struct { { "COUNT_HW_CACHE_RESULT_ACCESS", PERF_COUNT_HW_CACHE_RESULT_ACCESS }, { "COUNT_HW_CACHE_RESULT_MISS", PERF_COUNT_HW_CACHE_RESULT_MISS }, + { "COUNT_HW_STALLED_CYCLES_FRONTEND", PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, + { "COUNT_HW_STALLED_CYCLES_BACKEND", PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, + { "COUNT_SW_CPU_CLOCK", PERF_COUNT_SW_CPU_CLOCK }, { "COUNT_SW_TASK_CLOCK", PERF_COUNT_SW_TASK_CLOCK }, { "COUNT_SW_PAGE_FAULTS", PERF_COUNT_SW_PAGE_FAULTS }, diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index caa224522fe..fff66741f18 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1156,6 +1156,18 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) return ret; } +struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, + unsigned int type) +{ + struct perf_evsel *pos; + + list_for_each_entry(pos, &session->evlist->entries, node) { + if (pos->attr.type == type) + return pos; + } + return NULL; +} + void perf_session__print_symbols(union perf_event *event, struct perf_sample *sample, struct perf_session *session) diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 1ac481fc110..8daaa2d1539 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -162,6 +162,9 @@ static inline int perf_session__parse_sample(struct perf_session *session, session->sample_id_all, sample); } +struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, + unsigned int type); + void perf_session__print_symbols(union perf_event *event, struct perf_sample *sample, struct perf_session *session); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index f06c10f092b..516876dfbe5 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -31,13 +31,13 @@ #define NT_GNU_BUILD_ID 3 #endif -static bool dso__build_id_equal(const struct dso *self, u8 *build_id); +static bool dso__build_id_equal(const struct dso *dso, u8 *build_id); static int elf_read_build_id(Elf *elf, void *bf, size_t size); static void dsos__add(struct list_head *head, struct dso *dso); static struct map *map__new2(u64 start, struct dso *dso, enum map_type type); -static int dso__load_kernel_sym(struct dso *self, struct map *map, +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 *self, struct map *map, +static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, symbol_filter_t filter); static int vmlinux_path__nr_entries; static char **vmlinux_path; @@ -49,27 +49,27 @@ struct symbol_conf symbol_conf = { .symfs = "", }; -int dso__name_len(const struct dso *self) +int dso__name_len(const struct dso *dso) { if (verbose) - return self->long_name_len; + return dso->long_name_len; - return self->short_name_len; + return dso->short_name_len; } -bool dso__loaded(const struct dso *self, enum map_type type) +bool dso__loaded(const struct dso *dso, enum map_type type) { - return self->loaded & (1 << type); + return dso->loaded & (1 << type); } -bool dso__sorted_by_name(const struct dso *self, enum map_type type) +bool dso__sorted_by_name(const struct dso *dso, enum map_type type) { - return self->sorted_by_name & (1 << type); + return dso->sorted_by_name & (1 << type); } -static void dso__set_sorted_by_name(struct dso *self, enum map_type type) +static void dso__set_sorted_by_name(struct dso *dso, enum map_type type) { - self->sorted_by_name |= (1 << type); + dso->sorted_by_name |= (1 << type); } bool symbol_type__is_a(char symbol_type, enum map_type map_type) @@ -84,9 +84,9 @@ bool symbol_type__is_a(char symbol_type, enum map_type map_type) } } -static void symbols__fixup_end(struct rb_root *self) +static void symbols__fixup_end(struct rb_root *symbols) { - struct rb_node *nd, *prevnd = rb_first(self); + struct rb_node *nd, *prevnd = rb_first(symbols); struct symbol *curr, *prev; if (prevnd == NULL) @@ -107,10 +107,10 @@ static void symbols__fixup_end(struct rb_root *self) curr->end = roundup(curr->start, 4096); } -static void __map_groups__fixup_end(struct map_groups *self, enum map_type type) +static void __map_groups__fixup_end(struct map_groups *mg, enum map_type type) { struct map *prev, *curr; - struct rb_node *nd, *prevnd = rb_first(&self->maps[type]); + struct rb_node *nd, *prevnd = rb_first(&mg->maps[type]); if (prevnd == NULL) return; @@ -130,128 +130,128 @@ static void __map_groups__fixup_end(struct map_groups *self, enum map_type type) curr->end = ~0ULL; } -static void map_groups__fixup_end(struct map_groups *self) +static void map_groups__fixup_end(struct map_groups *mg) { int i; for (i = 0; i < MAP__NR_TYPES; ++i) - __map_groups__fixup_end(self, i); + __map_groups__fixup_end(mg, i); } static struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name) { size_t namelen = strlen(name) + 1; - struct symbol *self = calloc(1, (symbol_conf.priv_size + - sizeof(*self) + namelen)); - if (self == NULL) + struct symbol *sym = calloc(1, (symbol_conf.priv_size + + sizeof(*sym) + namelen)); + if (sym == NULL) return NULL; if (symbol_conf.priv_size) - self = ((void *)self) + symbol_conf.priv_size; - - self->start = start; - self->end = len ? start + len - 1 : start; - self->binding = binding; - self->namelen = namelen - 1; + sym = ((void *)sym) + symbol_conf.priv_size; - pr_debug4("%s: %s %#" PRIx64 "-%#" PRIx64 "\n", __func__, name, start, self->end); + sym->start = start; + sym->end = len ? start + len - 1 : start; + sym->binding = binding; + sym->namelen = namelen - 1; - memcpy(self->name, name, namelen); + pr_debug4("%s: %s %#" PRIx64 "-%#" PRIx64 "\n", + __func__, name, start, sym->end); + memcpy(sym->name, name, namelen); - return self; + return sym; } -void symbol__delete(struct symbol *self) +void symbol__delete(struct symbol *sym) { - free(((void *)self) - symbol_conf.priv_size); + free(((void *)sym) - symbol_conf.priv_size); } -static size_t symbol__fprintf(struct symbol *self, FILE *fp) +static size_t symbol__fprintf(struct symbol *sym, FILE *fp) { return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n", - self->start, self->end, - self->binding == STB_GLOBAL ? 'g' : - self->binding == STB_LOCAL ? 'l' : 'w', - self->name); + sym->start, sym->end, + sym->binding == STB_GLOBAL ? 'g' : + sym->binding == STB_LOCAL ? 'l' : 'w', + sym->name); } -void dso__set_long_name(struct dso *self, char *name) +void dso__set_long_name(struct dso *dso, char *name) { if (name == NULL) return; - self->long_name = name; - self->long_name_len = strlen(name); + dso->long_name = name; + dso->long_name_len = strlen(name); } -static void dso__set_short_name(struct dso *self, const char *name) +static void dso__set_short_name(struct dso *dso, const char *name) { if (name == NULL) return; - self->short_name = name; - self->short_name_len = strlen(name); + dso->short_name = name; + dso->short_name_len = strlen(name); } -static void dso__set_basename(struct dso *self) +static void dso__set_basename(struct dso *dso) { - dso__set_short_name(self, basename(self->long_name)); + dso__set_short_name(dso, basename(dso->long_name)); } struct dso *dso__new(const char *name) { - struct dso *self = calloc(1, sizeof(*self) + strlen(name) + 1); + struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1); - if (self != NULL) { + if (dso != NULL) { int i; - strcpy(self->name, name); - dso__set_long_name(self, self->name); - dso__set_short_name(self, self->name); + strcpy(dso->name, name); + dso__set_long_name(dso, dso->name); + dso__set_short_name(dso, dso->name); for (i = 0; i < MAP__NR_TYPES; ++i) - self->symbols[i] = self->symbol_names[i] = RB_ROOT; - self->symtab_type = SYMTAB__NOT_FOUND; - self->loaded = 0; - self->sorted_by_name = 0; - self->has_build_id = 0; - self->kernel = DSO_TYPE_USER; - INIT_LIST_HEAD(&self->node); + dso->symbols[i] = dso->symbol_names[i] = RB_ROOT; + dso->symtab_type = SYMTAB__NOT_FOUND; + dso->loaded = 0; + dso->sorted_by_name = 0; + dso->has_build_id = 0; + dso->kernel = DSO_TYPE_USER; + INIT_LIST_HEAD(&dso->node); } - return self; + return dso; } -static void symbols__delete(struct rb_root *self) +static void symbols__delete(struct rb_root *symbols) { struct symbol *pos; - struct rb_node *next = rb_first(self); + struct rb_node *next = rb_first(symbols); while (next) { pos = rb_entry(next, struct symbol, rb_node); next = rb_next(&pos->rb_node); - rb_erase(&pos->rb_node, self); + rb_erase(&pos->rb_node, symbols); symbol__delete(pos); } } -void dso__delete(struct dso *self) +void dso__delete(struct dso *dso) { int i; for (i = 0; i < MAP__NR_TYPES; ++i) - symbols__delete(&self->symbols[i]); - if (self->sname_alloc) - free((char *)self->short_name); - if (self->lname_alloc) - free(self->long_name); - free(self); + symbols__delete(&dso->symbols[i]); + if (dso->sname_alloc) + free((char *)dso->short_name); + if (dso->lname_alloc) + free(dso->long_name); + free(dso); } -void dso__set_build_id(struct dso *self, void *build_id) +void dso__set_build_id(struct dso *dso, void *build_id) { - memcpy(self->build_id, build_id, sizeof(self->build_id)); - self->has_build_id = 1; + memcpy(dso->build_id, build_id, sizeof(dso->build_id)); + dso->has_build_id = 1; } -static void symbols__insert(struct rb_root *self, struct symbol *sym) +static void symbols__insert(struct rb_root *symbols, struct symbol *sym) { - struct rb_node **p = &self->rb_node; + struct rb_node **p = &symbols->rb_node; struct rb_node *parent = NULL; const u64 ip = sym->start; struct symbol *s; @@ -265,17 +265,17 @@ static void symbols__insert(struct rb_root *self, struct symbol *sym) p = &(*p)->rb_right; } rb_link_node(&sym->rb_node, parent, p); - rb_insert_color(&sym->rb_node, self); + rb_insert_color(&sym->rb_node, symbols); } -static struct symbol *symbols__find(struct rb_root *self, u64 ip) +static struct symbol *symbols__find(struct rb_root *symbols, u64 ip) { struct rb_node *n; - if (self == NULL) + if (symbols == NULL) return NULL; - n = self->rb_node; + n = symbols->rb_node; while (n) { struct symbol *s = rb_entry(n, struct symbol, rb_node); @@ -296,9 +296,9 @@ struct symbol_name_rb_node { struct symbol sym; }; -static void symbols__insert_by_name(struct rb_root *self, struct symbol *sym) +static void symbols__insert_by_name(struct rb_root *symbols, struct symbol *sym) { - struct rb_node **p = &self->rb_node; + struct rb_node **p = &symbols->rb_node; struct rb_node *parent = NULL; struct symbol_name_rb_node *symn, *s; @@ -313,27 +313,29 @@ static void symbols__insert_by_name(struct rb_root *self, struct symbol *sym) p = &(*p)->rb_right; } rb_link_node(&symn->rb_node, parent, p); - rb_insert_color(&symn->rb_node, self); + rb_insert_color(&symn->rb_node, symbols); } -static void symbols__sort_by_name(struct rb_root *self, struct rb_root *source) +static void symbols__sort_by_name(struct rb_root *symbols, + struct rb_root *source) { struct rb_node *nd; for (nd = rb_first(source); nd; nd = rb_next(nd)) { struct symbol *pos = rb_entry(nd, struct symbol, rb_node); - symbols__insert_by_name(self, pos); + symbols__insert_by_name(symbols, pos); } } -static struct symbol *symbols__find_by_name(struct rb_root *self, const char *name) +static struct symbol *symbols__find_by_name(struct rb_root *symbols, + const char *name) { struct rb_node *n; - if (self == NULL) + if (symbols == NULL) return NULL; - n = self->rb_node; + n = symbols->rb_node; while (n) { struct symbol_name_rb_node *s; @@ -353,29 +355,29 @@ static struct symbol *symbols__find_by_name(struct rb_root *self, const char *na return NULL; } -struct symbol *dso__find_symbol(struct dso *self, +struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, u64 addr) { - return symbols__find(&self->symbols[type], addr); + return symbols__find(&dso->symbols[type], addr); } -struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type, +struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, const char *name) { - return symbols__find_by_name(&self->symbol_names[type], name); + return symbols__find_by_name(&dso->symbol_names[type], name); } -void dso__sort_by_name(struct dso *self, enum map_type type) +void dso__sort_by_name(struct dso *dso, enum map_type type) { - dso__set_sorted_by_name(self, type); - return symbols__sort_by_name(&self->symbol_names[type], - &self->symbols[type]); + dso__set_sorted_by_name(dso, type); + return symbols__sort_by_name(&dso->symbol_names[type], + &dso->symbols[type]); } -int build_id__sprintf(const u8 *self, int len, char *bf) +int build_id__sprintf(const u8 *build_id, int len, char *bf) { char *bid = bf; - const u8 *raw = self; + const u8 *raw = build_id; int i; for (i = 0; i < len; ++i) { @@ -384,24 +386,25 @@ int build_id__sprintf(const u8 *self, int len, char *bf) bid += 2; } - return raw - self; + return raw - build_id; } -size_t dso__fprintf_buildid(struct dso *self, FILE *fp) +size_t dso__fprintf_buildid(struct dso *dso, FILE *fp) { char sbuild_id[BUILD_ID_SIZE * 2 + 1]; - build_id__sprintf(self->build_id, sizeof(self->build_id), sbuild_id); + build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); return fprintf(fp, "%s", sbuild_id); } -size_t dso__fprintf_symbols_by_name(struct dso *self, enum map_type type, FILE *fp) +size_t dso__fprintf_symbols_by_name(struct dso *dso, + enum map_type type, FILE *fp) { size_t ret = 0; struct rb_node *nd; struct symbol_name_rb_node *pos; - for (nd = rb_first(&self->symbol_names[type]); nd; nd = rb_next(nd)) { + for (nd = rb_first(&dso->symbol_names[type]); nd; nd = rb_next(nd)) { pos = rb_entry(nd, struct symbol_name_rb_node, rb_node); fprintf(fp, "%s\n", pos->sym.name); } @@ -409,18 +412,18 @@ size_t dso__fprintf_symbols_by_name(struct dso *self, enum map_type type, FILE * return ret; } -size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp) +size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp) { struct rb_node *nd; - size_t ret = fprintf(fp, "dso: %s (", self->short_name); + size_t ret = fprintf(fp, "dso: %s (", dso->short_name); - if (self->short_name != self->long_name) - ret += fprintf(fp, "%s, ", self->long_name); + if (dso->short_name != dso->long_name) + ret += fprintf(fp, "%s, ", dso->long_name); ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type], - self->loaded ? "" : "NOT "); - ret += dso__fprintf_buildid(self, fp); + dso->loaded ? "" : "NOT "); + ret += dso__fprintf_buildid(dso, fp); ret += fprintf(fp, ")\n"); - for (nd = rb_first(&self->symbols[type]); nd; nd = rb_next(nd)) { + for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) { struct symbol *pos = rb_entry(nd, struct symbol, rb_node); ret += symbol__fprintf(pos, fp); } @@ -543,10 +546,10 @@ static int map__process_kallsym_symbol(void *arg, const char *name, * so that we can in the next step set the symbol ->end address and then * call kernel_maps__split_kallsyms. */ -static int dso__load_all_kallsyms(struct dso *self, const char *filename, +static int dso__load_all_kallsyms(struct dso *dso, const char *filename, struct map *map) { - struct process_kallsyms_args args = { .map = map, .dso = self, }; + struct process_kallsyms_args args = { .map = map, .dso = dso, }; return kallsyms__parse(filename, &args, map__process_kallsym_symbol); } @@ -555,7 +558,7 @@ static int dso__load_all_kallsyms(struct dso *self, const char *filename, * 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 *self, struct map *map, +static int dso__split_kallsyms(struct dso *dso, struct map *map, symbol_filter_t filter) { struct map_groups *kmaps = map__kmap(map)->kmaps; @@ -563,7 +566,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, struct map *curr_map = map; struct symbol *pos; int count = 0, moved = 0; - struct rb_root *root = &self->symbols[map->type]; + struct rb_root *root = &dso->symbols[map->type]; struct rb_node *next = rb_first(root); int kernel_range = 0; @@ -582,7 +585,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, if (strcmp(curr_map->dso->short_name, module)) { if (curr_map != map && - self->kernel == DSO_TYPE_GUEST_KERNEL && + dso->kernel == DSO_TYPE_GUEST_KERNEL && machine__is_default_guest(machine)) { /* * We assume all symbols of a module are @@ -618,14 +621,14 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, pos->end = curr_map->map_ip(curr_map, pos->end); } else if (curr_map != map) { char dso_name[PATH_MAX]; - struct dso *dso; + struct dso *ndso; if (count == 0) { curr_map = map; goto filter_symbol; } - if (self->kernel == DSO_TYPE_GUEST_KERNEL) + if (dso->kernel == DSO_TYPE_GUEST_KERNEL) snprintf(dso_name, sizeof(dso_name), "[guest.kernel].%d", kernel_range++); @@ -634,15 +637,15 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, "[kernel].%d", kernel_range++); - dso = dso__new(dso_name); - if (dso == NULL) + ndso = dso__new(dso_name); + if (ndso == NULL) return -1; - dso->kernel = self->kernel; + ndso->kernel = dso->kernel; - curr_map = map__new2(pos->start, dso, map->type); + curr_map = map__new2(pos->start, ndso, map->type); if (curr_map == NULL) { - dso__delete(dso); + dso__delete(ndso); return -1; } @@ -665,7 +668,7 @@ discard_symbol: rb_erase(&pos->rb_node, root); } if (curr_map != map && - self->kernel == DSO_TYPE_GUEST_KERNEL && + dso->kernel == DSO_TYPE_GUEST_KERNEL && machine__is_default_guest(kmaps->machine)) { dso__set_loaded(curr_map->dso, curr_map->type); } @@ -673,21 +676,21 @@ discard_symbol: rb_erase(&pos->rb_node, root); return count + moved; } -int dso__load_kallsyms(struct dso *self, const char *filename, +int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, symbol_filter_t filter) { - if (dso__load_all_kallsyms(self, filename, map) < 0) + if (dso__load_all_kallsyms(dso, filename, map) < 0) return -1; - if (self->kernel == DSO_TYPE_GUEST_KERNEL) - self->symtab_type = SYMTAB__GUEST_KALLSYMS; + if (dso->kernel == DSO_TYPE_GUEST_KERNEL) + dso->symtab_type = SYMTAB__GUEST_KALLSYMS; else - self->symtab_type = SYMTAB__KALLSYMS; + dso->symtab_type = SYMTAB__KALLSYMS; - return dso__split_kallsyms(self, map, filter); + return dso__split_kallsyms(dso, map, filter); } -static int dso__load_perf_map(struct dso *self, struct map *map, +static int dso__load_perf_map(struct dso *dso, struct map *map, symbol_filter_t filter) { char *line = NULL; @@ -695,7 +698,7 @@ static int dso__load_perf_map(struct dso *self, struct map *map, FILE *file; int nr_syms = 0; - file = fopen(self->long_name, "r"); + file = fopen(dso->long_name, "r"); if (file == NULL) goto out_failure; @@ -733,7 +736,7 @@ static int dso__load_perf_map(struct dso *self, struct map *map, if (filter && filter(map, sym)) symbol__delete(sym); else { - symbols__insert(&self->symbols[map->type], sym); + symbols__insert(&dso->symbols[map->type], sym); nr_syms++; } } @@ -752,7 +755,7 @@ out_failure: /** * elf_symtab__for_each_symbol - iterate thru all the symbols * - * @self: struct elf_symtab instance to iterate + * @syms: struct elf_symtab instance to iterate * @idx: uint32_t idx * @sym: GElf_Sym iterator */ @@ -852,7 +855,7 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, * And always look at the original dso, not at debuginfo packages, that * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS). */ -static int dso__synthesize_plt_symbols(struct dso *self, struct map *map, +static int dso__synthesize_plt_symbols(struct dso *dso, struct map *map, symbol_filter_t filter) { uint32_t nr_rel_entries, idx; @@ -871,7 +874,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, struct map *map, char name[PATH_MAX]; snprintf(name, sizeof(name), "%s%s", - symbol_conf.symfs, self->long_name); + symbol_conf.symfs, dso->long_name); fd = open(name, O_RDONLY); if (fd < 0) goto out; @@ -947,7 +950,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, struct map *map, if (filter && filter(map, f)) symbol__delete(f); else { - symbols__insert(&self->symbols[map->type], f); + symbols__insert(&dso->symbols[map->type], f); ++nr; } } @@ -969,7 +972,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, struct map *map, if (filter && filter(map, f)) symbol__delete(f); else { - symbols__insert(&self->symbols[map->type], f); + symbols__insert(&dso->symbols[map->type], f); ++nr; } } @@ -985,29 +988,30 @@ out_close: return nr; out: pr_debug("%s: problems reading %s PLT info.\n", - __func__, self->long_name); + __func__, dso->long_name); return 0; } -static bool elf_sym__is_a(GElf_Sym *self, enum map_type type) +static bool elf_sym__is_a(GElf_Sym *sym, enum map_type type) { switch (type) { case MAP__FUNCTION: - return elf_sym__is_function(self); + return elf_sym__is_function(sym); case MAP__VARIABLE: - return elf_sym__is_object(self); + return elf_sym__is_object(sym); default: return false; } } -static bool elf_sec__is_a(GElf_Shdr *self, Elf_Data *secstrs, enum map_type type) +static bool elf_sec__is_a(GElf_Shdr *shdr, Elf_Data *secstrs, + enum map_type type) { switch (type) { case MAP__FUNCTION: - return elf_sec__is_text(self, secstrs); + return elf_sec__is_text(shdr, secstrs); case MAP__VARIABLE: - return elf_sec__is_data(self, secstrs); + return elf_sec__is_data(shdr, secstrs); default: return false; } @@ -1032,13 +1036,13 @@ static size_t elf_addr_to_index(Elf *elf, GElf_Addr addr) return -1; } -static int dso__load_sym(struct dso *self, struct map *map, const char *name, +static int dso__load_sym(struct dso *dso, struct map *map, const char *name, int fd, symbol_filter_t filter, int kmodule, int want_symtab) { - struct kmap *kmap = self->kernel ? map__kmap(map) : NULL; + struct kmap *kmap = dso->kernel ? map__kmap(map) : NULL; struct map *curr_map = map; - struct dso *curr_dso = self; + struct dso *curr_dso = dso; Elf_Data *symstrs, *secstrs; uint32_t nr_syms; int err = -1; @@ -1064,14 +1068,14 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, } /* Always reject images with a mismatched build-id: */ - if (self->has_build_id) { + if (dso->has_build_id) { u8 build_id[BUILD_ID_SIZE]; if (elf_read_build_id(elf, build_id, BUILD_ID_SIZE) != BUILD_ID_SIZE) goto out_elf_end; - if (!dso__build_id_equal(self, build_id)) + if (!dso__build_id_equal(dso, build_id)) goto out_elf_end; } @@ -1112,13 +1116,14 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, nr_syms = shdr.sh_size / shdr.sh_entsize; memset(&sym, 0, sizeof(sym)); - if (self->kernel == DSO_TYPE_USER) { - self->adjust_symbols = (ehdr.e_type == ET_EXEC || + if (dso->kernel == DSO_TYPE_USER) { + dso->adjust_symbols = (ehdr.e_type == ET_EXEC || elf_section_by_name(elf, &ehdr, &shdr, ".gnu.prelink_undo", NULL) != NULL); - } else self->adjust_symbols = 0; - + } else { + dso->adjust_symbols = 0; + } elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) { struct symbol *f; const char *elf_name = elf_sym__name(&sym, symstrs); @@ -1168,22 +1173,22 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, (sym.st_value & 1)) --sym.st_value; - if (self->kernel != DSO_TYPE_USER || kmodule) { + if (dso->kernel != DSO_TYPE_USER || kmodule) { char dso_name[PATH_MAX]; if (strcmp(section_name, (curr_dso->short_name + - self->short_name_len)) == 0) + dso->short_name_len)) == 0) goto new_symbol; if (strcmp(section_name, ".text") == 0) { curr_map = map; - curr_dso = self; + curr_dso = dso; goto new_symbol; } snprintf(dso_name, sizeof(dso_name), - "%s%s", self->short_name, section_name); + "%s%s", dso->short_name, section_name); curr_map = map_groups__find_by_name(kmap->kmaps, map->type, dso_name); if (curr_map == NULL) { @@ -1195,9 +1200,9 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, curr_dso = dso__new(dso_name); if (curr_dso == NULL) goto out_elf_end; - curr_dso->kernel = self->kernel; - curr_dso->long_name = self->long_name; - curr_dso->long_name_len = self->long_name_len; + curr_dso->kernel = dso->kernel; + curr_dso->long_name = dso->long_name; + curr_dso->long_name_len = dso->long_name_len; curr_map = map__new2(start, curr_dso, map->type); if (curr_map == NULL) { @@ -1206,9 +1211,9 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, } curr_map->map_ip = identity__map_ip; curr_map->unmap_ip = identity__map_ip; - curr_dso->symtab_type = self->symtab_type; + curr_dso->symtab_type = dso->symtab_type; map_groups__insert(kmap->kmaps, curr_map); - dsos__add(&self->node, curr_dso); + dsos__add(&dso->node, curr_dso); dso__set_loaded(curr_dso, map->type); } else curr_dso = curr_map->dso; @@ -1250,7 +1255,7 @@ new_symbol: * For misannotated, zeroed, ASM function sizes. */ if (nr > 0) { - symbols__fixup_end(&self->symbols[map->type]); + symbols__fixup_end(&dso->symbols[map->type]); if (kmap) { /* * We need to fixup this here too because we create new @@ -1266,9 +1271,9 @@ out_close: return err; } -static bool dso__build_id_equal(const struct dso *self, u8 *build_id) +static bool dso__build_id_equal(const struct dso *dso, u8 *build_id) { - return memcmp(self->build_id, build_id, sizeof(self->build_id)) == 0; + return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0; } bool __dsos__read_build_ids(struct list_head *head, bool with_hits) @@ -1429,7 +1434,7 @@ out: return err; } -char dso__symtab_origin(const struct dso *self) +char dso__symtab_origin(const struct dso *dso) { static const char origin[] = { [SYMTAB__KALLSYMS] = 'k', @@ -1444,12 +1449,12 @@ char dso__symtab_origin(const struct dso *self) [SYMTAB__GUEST_KMODULE] = 'G', }; - if (self == NULL || self->symtab_type == SYMTAB__NOT_FOUND) + if (dso == NULL || dso->symtab_type == SYMTAB__NOT_FOUND) return '!'; - return origin[self->symtab_type]; + return origin[dso->symtab_type]; } -int dso__load(struct dso *self, struct map *map, symbol_filter_t filter) +int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) { int size = PATH_MAX; char *name; @@ -1459,12 +1464,12 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter) const char *root_dir; int want_symtab; - dso__set_loaded(self, map->type); + dso__set_loaded(dso, map->type); - if (self->kernel == DSO_TYPE_KERNEL) - return dso__load_kernel_sym(self, map, filter); - else if (self->kernel == DSO_TYPE_GUEST_KERNEL) - return dso__load_guest_kernel_sym(self, map, filter); + if (dso->kernel == DSO_TYPE_KERNEL) + return dso__load_kernel_sym(dso, map, filter); + else if (dso->kernel == DSO_TYPE_GUEST_KERNEL) + return dso__load_guest_kernel_sym(dso, map, filter); if (map->groups && map->groups->machine) machine = map->groups->machine; @@ -1475,11 +1480,11 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter) if (!name) return -1; - self->adjust_symbols = 0; + dso->adjust_symbols = 0; - if (strncmp(self->name, "/tmp/perf-", 10) == 0) { - ret = dso__load_perf_map(self, map, filter); - self->symtab_type = ret > 0 ? SYMTAB__JAVA_JIT : + if (strncmp(dso->name, "/tmp/perf-", 10) == 0) { + ret = dso__load_perf_map(dso, map, filter); + dso->symtab_type = ret > 0 ? SYMTAB__JAVA_JIT : SYMTAB__NOT_FOUND; return ret; } @@ -1490,33 +1495,33 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter) */ want_symtab = 1; restart: - for (self->symtab_type = SYMTAB__BUILD_ID_CACHE; - self->symtab_type != SYMTAB__NOT_FOUND; - self->symtab_type++) { - switch (self->symtab_type) { + for (dso->symtab_type = SYMTAB__BUILD_ID_CACHE; + dso->symtab_type != SYMTAB__NOT_FOUND; + dso->symtab_type++) { + switch (dso->symtab_type) { case SYMTAB__BUILD_ID_CACHE: /* skip the locally configured cache if a symfs is given */ if (symbol_conf.symfs[0] || - (dso__build_id_filename(self, name, size) == NULL)) { + (dso__build_id_filename(dso, name, size) == NULL)) { continue; } break; case SYMTAB__FEDORA_DEBUGINFO: snprintf(name, size, "%s/usr/lib/debug%s.debug", - symbol_conf.symfs, self->long_name); + symbol_conf.symfs, dso->long_name); break; case SYMTAB__UBUNTU_DEBUGINFO: snprintf(name, size, "%s/usr/lib/debug%s", - symbol_conf.symfs, self->long_name); + symbol_conf.symfs, dso->long_name); break; case SYMTAB__BUILDID_DEBUGINFO: { char build_id_hex[BUILD_ID_SIZE * 2 + 1]; - if (!self->has_build_id) + if (!dso->has_build_id) continue; - build_id__sprintf(self->build_id, - sizeof(self->build_id), + build_id__sprintf(dso->build_id, + sizeof(dso->build_id), build_id_hex); snprintf(name, size, "%s/usr/lib/debug/.build-id/%.2s/%s.debug", @@ -1525,7 +1530,7 @@ restart: break; case SYMTAB__SYSTEM_PATH_DSO: snprintf(name, size, "%s%s", - symbol_conf.symfs, self->long_name); + symbol_conf.symfs, dso->long_name); break; case SYMTAB__GUEST_KMODULE: if (map->groups && machine) @@ -1533,12 +1538,12 @@ restart: else root_dir = ""; snprintf(name, size, "%s%s%s", symbol_conf.symfs, - root_dir, self->long_name); + root_dir, dso->long_name); break; case SYMTAB__SYSTEM_PATH_KMODULE: snprintf(name, size, "%s%s", symbol_conf.symfs, - self->long_name); + dso->long_name); break; default:; } @@ -1548,7 +1553,7 @@ restart: if (fd < 0) continue; - ret = dso__load_sym(self, map, name, fd, filter, 0, + ret = dso__load_sym(dso, map, name, fd, filter, 0, want_symtab); close(fd); @@ -1560,7 +1565,8 @@ restart: continue; if (ret > 0) { - int nr_plt = dso__synthesize_plt_symbols(self, map, filter); + int nr_plt = dso__synthesize_plt_symbols(dso, map, + filter); if (nr_plt > 0) ret += nr_plt; break; @@ -1577,17 +1583,17 @@ restart: } free(name); - if (ret < 0 && strstr(self->name, " (deleted)") != NULL) + if (ret < 0 && strstr(dso->name, " (deleted)") != NULL) return 0; return ret; } -struct map *map_groups__find_by_name(struct map_groups *self, +struct map *map_groups__find_by_name(struct map_groups *mg, enum map_type type, const char *name) { struct rb_node *nd; - for (nd = rb_first(&self->maps[type]); nd; nd = rb_next(nd)) { + for (nd = rb_first(&mg->maps[type]); nd; nd = rb_next(nd)) { struct map *map = rb_entry(nd, struct map, rb_node); if (map->dso && strcmp(map->dso->short_name, name) == 0) @@ -1597,28 +1603,28 @@ struct map *map_groups__find_by_name(struct map_groups *self, return NULL; } -static int dso__kernel_module_get_build_id(struct dso *self, - const char *root_dir) +static int dso__kernel_module_get_build_id(struct dso *dso, + const char *root_dir) { char filename[PATH_MAX]; /* * kernel module short names are of the form "[module]" and * we need just "module" here. */ - const char *name = self->short_name + 1; + const char *name = dso->short_name + 1; snprintf(filename, sizeof(filename), "%s/sys/module/%.*s/notes/.note.gnu.build-id", root_dir, (int)strlen(name) - 1, name); - if (sysfs__read_build_id(filename, self->build_id, - sizeof(self->build_id)) == 0) - self->has_build_id = true; + if (sysfs__read_build_id(filename, dso->build_id, + sizeof(dso->build_id)) == 0) + dso->has_build_id = true; return 0; } -static int map_groups__set_modules_path_dir(struct map_groups *self, +static int map_groups__set_modules_path_dir(struct map_groups *mg, const char *dir_name) { struct dirent *dent; @@ -1646,7 +1652,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *self, snprintf(path, sizeof(path), "%s/%s", dir_name, dent->d_name); - ret = map_groups__set_modules_path_dir(self, path); + ret = map_groups__set_modules_path_dir(mg, path); if (ret < 0) goto out; } else { @@ -1661,7 +1667,8 @@ static int map_groups__set_modules_path_dir(struct map_groups *self, (int)(dot - dent->d_name), dent->d_name); strxfrchar(dso_name, '-', '_'); - map = map_groups__find_by_name(self, MAP__FUNCTION, dso_name); + map = map_groups__find_by_name(mg, MAP__FUNCTION, + dso_name); if (map == NULL) continue; @@ -1711,20 +1718,20 @@ static char *get_kernel_version(const char *root_dir) return strdup(name); } -static int machine__set_modules_path(struct machine *self) +static int machine__set_modules_path(struct machine *machine) { char *version; char modules_path[PATH_MAX]; - version = get_kernel_version(self->root_dir); + version = get_kernel_version(machine->root_dir); if (!version) return -1; snprintf(modules_path, sizeof(modules_path), "%s/lib/modules/%s/kernel", - self->root_dir, version); + machine->root_dir, version); free(version); - return map_groups__set_modules_path_dir(&self->kmaps, modules_path); + return map_groups__set_modules_path_dir(&machine->kmaps, modules_path); } /* @@ -1734,23 +1741,23 @@ static int machine__set_modules_path(struct machine *self) */ static struct map *map__new2(u64 start, struct dso *dso, enum map_type type) { - struct map *self = calloc(1, (sizeof(*self) + - (dso->kernel ? sizeof(struct kmap) : 0))); - if (self != NULL) { + struct map *map = calloc(1, (sizeof(*map) + + (dso->kernel ? sizeof(struct kmap) : 0))); + if (map != NULL) { /* * ->end will be filled after we load all the symbols */ - map__init(self, type, start, 0, 0, dso); + map__init(map, type, start, 0, 0, dso); } - return self; + return map; } -struct map *machine__new_module(struct machine *self, u64 start, +struct map *machine__new_module(struct machine *machine, u64 start, const char *filename) { struct map *map; - struct dso *dso = __dsos__findnew(&self->kernel_dsos, filename); + struct dso *dso = __dsos__findnew(&machine->kernel_dsos, filename); if (dso == NULL) return NULL; @@ -1759,15 +1766,15 @@ struct map *machine__new_module(struct machine *self, u64 start, if (map == NULL) return NULL; - if (machine__is_host(self)) + if (machine__is_host(machine)) dso->symtab_type = SYMTAB__SYSTEM_PATH_KMODULE; else dso->symtab_type = SYMTAB__GUEST_KMODULE; - map_groups__insert(&self->kmaps, map); + map_groups__insert(&machine->kmaps, map); return map; } -static int machine__create_modules(struct machine *self) +static int machine__create_modules(struct machine *machine) { char *line = NULL; size_t n; @@ -1776,10 +1783,10 @@ static int machine__create_modules(struct machine *self) const char *modules; char path[PATH_MAX]; - if (machine__is_default_guest(self)) + if (machine__is_default_guest(machine)) modules = symbol_conf.default_guest_modules; else { - sprintf(path, "%s/proc/modules", self->root_dir); + sprintf(path, "%s/proc/modules", machine->root_dir); modules = path; } @@ -1815,16 +1822,16 @@ static int machine__create_modules(struct machine *self) *sep = '\0'; snprintf(name, sizeof(name), "[%s]", line); - map = machine__new_module(self, start, name); + map = machine__new_module(machine, start, name); if (map == NULL) goto out_delete_line; - dso__kernel_module_get_build_id(map->dso, self->root_dir); + dso__kernel_module_get_build_id(map->dso, machine->root_dir); } free(line); fclose(file); - return machine__set_modules_path(self); + return machine__set_modules_path(machine); out_delete_line: free(line); @@ -1832,7 +1839,7 @@ out_failure: return -1; } -int dso__load_vmlinux(struct dso *self, struct map *map, +int dso__load_vmlinux(struct dso *dso, struct map *map, const char *vmlinux, symbol_filter_t filter) { int err = -1, fd; @@ -1844,9 +1851,9 @@ int dso__load_vmlinux(struct dso *self, struct map *map, if (fd < 0) return -1; - dso__set_long_name(self, (char *)vmlinux); - dso__set_loaded(self, map->type); - err = dso__load_sym(self, map, symfs_vmlinux, fd, filter, 0, 0); + dso__set_long_name(dso, (char *)vmlinux); + dso__set_loaded(dso, map->type); + err = dso__load_sym(dso, map, symfs_vmlinux, fd, filter, 0, 0); close(fd); if (err > 0) @@ -1855,7 +1862,7 @@ int dso__load_vmlinux(struct dso *self, struct map *map, return err; } -int dso__load_vmlinux_path(struct dso *self, struct map *map, +int dso__load_vmlinux_path(struct dso *dso, struct map *map, symbol_filter_t filter) { int i, err = 0; @@ -1864,20 +1871,20 @@ int dso__load_vmlinux_path(struct dso *self, struct map *map, pr_debug("Looking at the vmlinux_path (%d entries long)\n", vmlinux_path__nr_entries + 1); - filename = dso__build_id_filename(self, NULL, 0); + filename = dso__build_id_filename(dso, NULL, 0); if (filename != NULL) { - err = dso__load_vmlinux(self, map, filename, filter); + err = dso__load_vmlinux(dso, map, filename, filter); if (err > 0) { - dso__set_long_name(self, filename); + dso__set_long_name(dso, filename); goto out; } free(filename); } for (i = 0; i < vmlinux_path__nr_entries; ++i) { - err = dso__load_vmlinux(self, map, vmlinux_path[i], filter); + err = dso__load_vmlinux(dso, map, vmlinux_path[i], filter); if (err > 0) { - dso__set_long_name(self, strdup(vmlinux_path[i])); + dso__set_long_name(dso, strdup(vmlinux_path[i])); break; } } @@ -1885,7 +1892,7 @@ out: return err; } -static int dso__load_kernel_sym(struct dso *self, struct map *map, +static int dso__load_kernel_sym(struct dso *dso, struct map *map, symbol_filter_t filter) { int err; @@ -1912,10 +1919,10 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map, } if (symbol_conf.vmlinux_name != NULL) { - err = dso__load_vmlinux(self, map, + err = dso__load_vmlinux(dso, map, symbol_conf.vmlinux_name, filter); if (err > 0) { - dso__set_long_name(self, + dso__set_long_name(dso, strdup(symbol_conf.vmlinux_name)); goto out_fixup; } @@ -1923,7 +1930,7 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map, } if (vmlinux_path != NULL) { - err = dso__load_vmlinux_path(self, map, filter); + err = dso__load_vmlinux_path(dso, map, filter); if (err > 0) goto out_fixup; } @@ -1937,13 +1944,13 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map, * we have a build-id, so check if it is the same as the running kernel, * using it if it is. */ - if (self->has_build_id) { + if (dso->has_build_id) { u8 kallsyms_build_id[BUILD_ID_SIZE]; char sbuild_id[BUILD_ID_SIZE * 2 + 1]; if (sysfs__read_build_id("/sys/kernel/notes", kallsyms_build_id, sizeof(kallsyms_build_id)) == 0) { - if (dso__build_id_equal(self, kallsyms_build_id)) { + if (dso__build_id_equal(dso, kallsyms_build_id)) { kallsyms_filename = "/proc/kallsyms"; goto do_kallsyms; } @@ -1952,7 +1959,7 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map, * Now look if we have it on the build-id cache in * $HOME/.debug/[kernel.kallsyms]. */ - build_id__sprintf(self->build_id, sizeof(self->build_id), + build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); if (asprintf(&kallsyms_allocated_filename, @@ -1979,7 +1986,7 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map, } do_kallsyms: - err = dso__load_kallsyms(self, kallsyms_filename, map, filter); + err = dso__load_kallsyms(dso, kallsyms_filename, map, filter); if (err > 0) pr_debug("Using %s for symbols\n", kallsyms_filename); free(kallsyms_allocated_filename); @@ -1987,7 +1994,7 @@ do_kallsyms: if (err > 0) { out_fixup: if (kallsyms_filename != NULL) - dso__set_long_name(self, strdup("[kernel.kallsyms]")); + dso__set_long_name(dso, strdup("[kernel.kallsyms]")); map__fixup_start(map); map__fixup_end(map); } @@ -1995,8 +2002,8 @@ out_fixup: return err; } -static int dso__load_guest_kernel_sym(struct dso *self, struct map *map, - symbol_filter_t filter) +static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, + symbol_filter_t filter) { int err; const char *kallsyms_filename = NULL; @@ -2016,7 +2023,7 @@ static int dso__load_guest_kernel_sym(struct dso *self, struct map *map, * Or use file guest_kallsyms inputted by user on commandline */ if (symbol_conf.default_guest_vmlinux_name != NULL) { - err = dso__load_vmlinux(self, map, + err = dso__load_vmlinux(dso, map, symbol_conf.default_guest_vmlinux_name, filter); goto out_try_fixup; } @@ -2029,7 +2036,7 @@ static int dso__load_guest_kernel_sym(struct dso *self, struct map *map, kallsyms_filename = path; } - err = dso__load_kallsyms(self, kallsyms_filename, map, filter); + err = dso__load_kallsyms(dso, kallsyms_filename, map, filter); if (err > 0) pr_debug("Using %s for symbols\n", kallsyms_filename); @@ -2037,7 +2044,7 @@ out_try_fixup: if (err > 0) { if (kallsyms_filename != NULL) { machine__mmap_name(machine, path, sizeof(path)); - dso__set_long_name(self, strdup(path)); + dso__set_long_name(dso, strdup(path)); } map__fixup_start(map); map__fixup_end(map); @@ -2090,12 +2097,12 @@ size_t __dsos__fprintf(struct list_head *head, FILE *fp) return ret; } -size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp) +size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp) { struct rb_node *nd; size_t ret = 0; - for (nd = rb_first(self); nd; nd = rb_next(nd)) { + for (nd = rb_first(machines); nd; nd = rb_next(nd)) { struct machine *pos = rb_entry(nd, struct machine, rb_node); ret += __dsos__fprintf(&pos->kernel_dsos, fp); ret += __dsos__fprintf(&pos->user_dsos, fp); @@ -2119,18 +2126,20 @@ static size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, return ret; } -size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits) +size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, + bool with_hits) { - return __dsos__fprintf_buildid(&self->kernel_dsos, fp, with_hits) + - __dsos__fprintf_buildid(&self->user_dsos, fp, with_hits); + return __dsos__fprintf_buildid(&machine->kernel_dsos, fp, with_hits) + + __dsos__fprintf_buildid(&machine->user_dsos, fp, with_hits); } -size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits) +size_t machines__fprintf_dsos_buildid(struct rb_root *machines, + FILE *fp, bool with_hits) { struct rb_node *nd; size_t ret = 0; - for (nd = rb_first(self); nd; nd = rb_next(nd)) { + for (nd = rb_first(machines); nd; nd = rb_next(nd)) { struct machine *pos = rb_entry(nd, struct machine, rb_node); ret += machine__fprintf_dsos_buildid(pos, fp, with_hits); } @@ -2139,59 +2148,59 @@ size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_ struct dso *dso__new_kernel(const char *name) { - struct dso *self = dso__new(name ?: "[kernel.kallsyms]"); + struct dso *dso = dso__new(name ?: "[kernel.kallsyms]"); - if (self != NULL) { - dso__set_short_name(self, "[kernel]"); - self->kernel = DSO_TYPE_KERNEL; + if (dso != NULL) { + dso__set_short_name(dso, "[kernel]"); + dso->kernel = DSO_TYPE_KERNEL; } - return self; + return dso; } static struct dso *dso__new_guest_kernel(struct machine *machine, const char *name) { char bf[PATH_MAX]; - struct dso *self = dso__new(name ?: machine__mmap_name(machine, bf, sizeof(bf))); - - if (self != NULL) { - dso__set_short_name(self, "[guest.kernel]"); - self->kernel = DSO_TYPE_GUEST_KERNEL; + struct dso *dso = dso__new(name ?: machine__mmap_name(machine, bf, + sizeof(bf))); + if (dso != NULL) { + dso__set_short_name(dso, "[guest.kernel]"); + dso->kernel = DSO_TYPE_GUEST_KERNEL; } - return self; + return dso; } -void dso__read_running_kernel_build_id(struct dso *self, struct machine *machine) +void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine) { char path[PATH_MAX]; if (machine__is_default_guest(machine)) return; sprintf(path, "%s/sys/kernel/notes", machine->root_dir); - if (sysfs__read_build_id(path, self->build_id, - sizeof(self->build_id)) == 0) - self->has_build_id = true; + if (sysfs__read_build_id(path, dso->build_id, + sizeof(dso->build_id)) == 0) + dso->has_build_id = true; } -static struct dso *machine__create_kernel(struct machine *self) +static struct dso *machine__create_kernel(struct machine *machine) { const char *vmlinux_name = NULL; struct dso *kernel; - if (machine__is_host(self)) { + if (machine__is_host(machine)) { vmlinux_name = symbol_conf.vmlinux_name; kernel = dso__new_kernel(vmlinux_name); } else { - if (machine__is_default_guest(self)) + if (machine__is_default_guest(machine)) vmlinux_name = symbol_conf.default_guest_vmlinux_name; - kernel = dso__new_guest_kernel(self, vmlinux_name); + kernel = dso__new_guest_kernel(machine, vmlinux_name); } if (kernel != NULL) { - dso__read_running_kernel_build_id(kernel, self); - dsos__add(&self->kernel_dsos, kernel); + dso__read_running_kernel_build_id(kernel, machine); + dsos__add(&machine->kernel_dsos, kernel); } return kernel; } @@ -2236,41 +2245,43 @@ static u64 machine__get_kernel_start_addr(struct machine *machine) return args.start; } -int __machine__create_kernel_maps(struct machine *self, struct dso *kernel) +int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel) { enum map_type type; - u64 start = machine__get_kernel_start_addr(self); + u64 start = machine__get_kernel_start_addr(machine); for (type = 0; type < MAP__NR_TYPES; ++type) { struct kmap *kmap; - self->vmlinux_maps[type] = map__new2(start, kernel, type); - if (self->vmlinux_maps[type] == NULL) + machine->vmlinux_maps[type] = map__new2(start, kernel, type); + if (machine->vmlinux_maps[type] == NULL) return -1; - self->vmlinux_maps[type]->map_ip = - self->vmlinux_maps[type]->unmap_ip = identity__map_ip; - - kmap = map__kmap(self->vmlinux_maps[type]); - kmap->kmaps = &self->kmaps; - map_groups__insert(&self->kmaps, self->vmlinux_maps[type]); + machine->vmlinux_maps[type]->map_ip = + machine->vmlinux_maps[type]->unmap_ip = + identity__map_ip; + kmap = map__kmap(machine->vmlinux_maps[type]); + kmap->kmaps = &machine->kmaps; + map_groups__insert(&machine->kmaps, + machine->vmlinux_maps[type]); } return 0; } -void machine__destroy_kernel_maps(struct machine *self) +void machine__destroy_kernel_maps(struct machine *machine) { enum map_type type; for (type = 0; type < MAP__NR_TYPES; ++type) { struct kmap *kmap; - if (self->vmlinux_maps[type] == NULL) + if (machine->vmlinux_maps[type] == NULL) continue; - kmap = map__kmap(self->vmlinux_maps[type]); - map_groups__remove(&self->kmaps, self->vmlinux_maps[type]); + kmap = map__kmap(machine->vmlinux_maps[type]); + map_groups__remove(&machine->kmaps, + machine->vmlinux_maps[type]); if (kmap->ref_reloc_sym) { /* * ref_reloc_sym is shared among all maps, so free just @@ -2284,25 +2295,25 @@ void machine__destroy_kernel_maps(struct machine *self) kmap->ref_reloc_sym = NULL; } - map__delete(self->vmlinux_maps[type]); - self->vmlinux_maps[type] = NULL; + map__delete(machine->vmlinux_maps[type]); + machine->vmlinux_maps[type] = NULL; } } -int machine__create_kernel_maps(struct machine *self) +int machine__create_kernel_maps(struct machine *machine) { - struct dso *kernel = machine__create_kernel(self); + struct dso *kernel = machine__create_kernel(machine); if (kernel == NULL || - __machine__create_kernel_maps(self, kernel) < 0) + __machine__create_kernel_maps(machine, kernel) < 0) return -1; - if (symbol_conf.use_modules && machine__create_modules(self) < 0) + if (symbol_conf.use_modules && machine__create_modules(machine) < 0) pr_debug("Problems creating module maps, continuing anyway...\n"); /* * Now that we have all the maps created, just set the ->end of them: */ - map_groups__fixup_end(&self->kmaps); + map_groups__fixup_end(&machine->kmaps); return 0; } @@ -2366,11 +2377,11 @@ out_fail: return -1; } -size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp) +size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp) { int i; size_t printed = 0; - struct dso *kdso = self->vmlinux_maps[MAP__FUNCTION]->dso; + struct dso *kdso = machine->vmlinux_maps[MAP__FUNCTION]->dso; if (kdso->has_build_id) { char filename[PATH_MAX]; @@ -2467,9 +2478,9 @@ void symbol__exit(void) symbol_conf.initialized = false; } -int machines__create_kernel_maps(struct rb_root *self, pid_t pid) +int machines__create_kernel_maps(struct rb_root *machines, pid_t pid) { - struct machine *machine = machines__findnew(self, pid); + struct machine *machine = machines__findnew(machines, pid); if (machine == NULL) return -1; @@ -2520,7 +2531,7 @@ char *strxfrchar(char *s, char from, char to) return s; } -int machines__create_guest_kernel_maps(struct rb_root *self) +int machines__create_guest_kernel_maps(struct rb_root *machines) { int ret = 0; struct dirent **namelist = NULL; @@ -2531,7 +2542,7 @@ int machines__create_guest_kernel_maps(struct rb_root *self) if (symbol_conf.default_guest_vmlinux_name || symbol_conf.default_guest_modules || symbol_conf.default_guest_kallsyms) { - machines__create_kernel_maps(self, DEFAULT_GUEST_KERNEL_ID); + machines__create_kernel_maps(machines, DEFAULT_GUEST_KERNEL_ID); } if (symbol_conf.guestmount) { @@ -2552,7 +2563,7 @@ int machines__create_guest_kernel_maps(struct rb_root *self) pr_debug("Can't access file %s\n", path); goto failure; } - machines__create_kernel_maps(self, pid); + machines__create_kernel_maps(machines, pid); } failure: free(namelist); @@ -2561,23 +2572,23 @@ failure: return ret; } -void machines__destroy_guest_kernel_maps(struct rb_root *self) +void machines__destroy_guest_kernel_maps(struct rb_root *machines) { - struct rb_node *next = rb_first(self); + struct rb_node *next = rb_first(machines); while (next) { struct machine *pos = rb_entry(next, struct machine, rb_node); next = rb_next(&pos->rb_node); - rb_erase(&pos->rb_node, self); + rb_erase(&pos->rb_node, machines); machine__delete(pos); } } -int machine__load_kallsyms(struct machine *self, const char *filename, +int machine__load_kallsyms(struct machine *machine, const char *filename, enum map_type type, symbol_filter_t filter) { - struct map *map = self->vmlinux_maps[type]; + struct map *map = machine->vmlinux_maps[type]; int ret = dso__load_kallsyms(map->dso, filename, map, filter); if (ret > 0) { @@ -2587,16 +2598,16 @@ int machine__load_kallsyms(struct machine *self, const char *filename, * kernel, with modules between them, fixup the end of all * sections. */ - __map_groups__fixup_end(&self->kmaps, type); + __map_groups__fixup_end(&machine->kmaps, type); } return ret; } -int machine__load_vmlinux_path(struct machine *self, enum map_type type, +int machine__load_vmlinux_path(struct machine *machine, enum map_type type, symbol_filter_t filter) { - struct map *map = self->vmlinux_maps[type]; + struct map *map = machine->vmlinux_maps[type]; int ret = dso__load_vmlinux_path(map->dso, map, filter); if (ret > 0) { diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 713b0b40cc4..242de0101a8 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -62,7 +62,7 @@ struct symbol { char name[0]; }; -void symbol__delete(struct symbol *self); +void symbol__delete(struct symbol *sym); struct strlist; @@ -96,9 +96,9 @@ struct symbol_conf { extern struct symbol_conf symbol_conf; -static inline void *symbol__priv(struct symbol *self) +static inline void *symbol__priv(struct symbol *sym) { - return ((void *)self) - symbol_conf.priv_size; + return ((void *)sym) - symbol_conf.priv_size; } struct ref_reloc_sym { @@ -155,43 +155,45 @@ struct dso { struct dso *dso__new(const char *name); struct dso *dso__new_kernel(const char *name); -void dso__delete(struct dso *self); +void dso__delete(struct dso *dso); -int dso__name_len(const struct dso *self); +int dso__name_len(const struct dso *dso); -bool dso__loaded(const struct dso *self, enum map_type type); -bool dso__sorted_by_name(const struct dso *self, enum map_type type); +bool dso__loaded(const struct dso *dso, enum map_type type); +bool dso__sorted_by_name(const struct dso *dso, enum map_type type); -static inline void dso__set_loaded(struct dso *self, enum map_type type) +static inline void dso__set_loaded(struct dso *dso, enum map_type type) { - self->loaded |= (1 << type); + dso->loaded |= (1 << type); } -void dso__sort_by_name(struct dso *self, enum map_type type); +void dso__sort_by_name(struct dso *dso, enum map_type type); struct dso *__dsos__findnew(struct list_head *head, const char *name); -int dso__load(struct dso *self, struct map *map, symbol_filter_t filter); -int dso__load_vmlinux(struct dso *self, struct map *map, +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); -int dso__load_vmlinux_path(struct dso *self, struct map *map, +int dso__load_vmlinux_path(struct dso *dso, struct map *map, symbol_filter_t filter); -int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map, +int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map, symbol_filter_t filter); -int machine__load_kallsyms(struct machine *self, const char *filename, +int machine__load_kallsyms(struct machine *machine, const char *filename, enum map_type type, symbol_filter_t filter); -int machine__load_vmlinux_path(struct machine *self, enum map_type type, +int machine__load_vmlinux_path(struct machine *machine, enum map_type type, symbol_filter_t filter); size_t __dsos__fprintf(struct list_head *head, FILE *fp); -size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits); -size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp); -size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits); - -size_t dso__fprintf_buildid(struct dso *self, FILE *fp); -size_t dso__fprintf_symbols_by_name(struct dso *self, enum map_type type, FILE *fp); -size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp); +size_t machine__fprintf_dsos_buildid(struct machine *machine, + FILE *fp, bool with_hits); +size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); +size_t machines__fprintf_dsos_buildid(struct rb_root *machines, + FILE *fp, bool with_hits); +size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); +size_t dso__fprintf_symbols_by_name(struct dso *dso, + enum map_type type, FILE *fp); +size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); enum symtab_type { SYMTAB__KALLSYMS = 0, @@ -207,34 +209,36 @@ enum symtab_type { SYMTAB__NOT_FOUND, }; -char dso__symtab_origin(const struct dso *self); -void dso__set_long_name(struct dso *self, char *name); -void dso__set_build_id(struct dso *self, void *build_id); -void dso__read_running_kernel_build_id(struct dso *self, struct machine *machine); -struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr); -struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type, +char dso__symtab_origin(const struct dso *dso); +void dso__set_long_name(struct dso *dso, char *name); +void dso__set_build_id(struct dso *dso, void *build_id); +void dso__read_running_kernel_build_id(struct dso *dso, + struct machine *machine); +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); 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); bool __dsos__read_build_ids(struct list_head *head, bool with_hits); -int build_id__sprintf(const u8 *self, int len, char *bf); +int build_id__sprintf(const u8 *build_id, int len, char *bf); int kallsyms__parse(const char *filename, void *arg, int (*process_symbol)(void *arg, const char *name, char type, u64 start, u64 end)); -void machine__destroy_kernel_maps(struct machine *self); -int __machine__create_kernel_maps(struct machine *self, struct dso *kernel); -int machine__create_kernel_maps(struct machine *self); +void machine__destroy_kernel_maps(struct machine *machine); +int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); +int machine__create_kernel_maps(struct machine *machine); -int machines__create_kernel_maps(struct rb_root *self, pid_t pid); -int machines__create_guest_kernel_maps(struct rb_root *self); -void machines__destroy_guest_kernel_maps(struct rb_root *self); +int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); +int machines__create_guest_kernel_maps(struct rb_root *machines); +void machines__destroy_guest_kernel_maps(struct rb_root *machines); int symbol__init(void); void symbol__exit(void); bool symbol_type__is_a(char symbol_type, enum map_type map_type); -size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp); +size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); #endif /* __PERF_SYMBOL */ diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 0a7ed5b5e28..1e88485c16a 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -2187,7 +2187,6 @@ static const struct flag flags[] = { { "TASKLET_SOFTIRQ", 6 }, { "SCHED_SOFTIRQ", 7 }, { "HRTIMER_SOFTIRQ", 8 }, - { "RCU_SOFTIRQ", 9 }, { "HRTIMER_NORESTART", 0 }, { "HRTIMER_RESTART", 1 }, |