diff options
Diffstat (limited to 'tools/perf/builtin-stat.c')
| -rw-r--r-- | tools/perf/builtin-stat.c | 297 |
1 files changed, 118 insertions, 179 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 6cad3435b198..1521b6df2606 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1842,130 +1842,25 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st) } /* - * Add default attributes, if there were no attributes specified or + * Add default events, if there were no attributes specified or * if -d/--detailed, -d -d or -d -d -d is used: */ -static int add_default_attributes(void) +static int add_default_events(void) { - struct perf_event_attr default_attrs0[] = { - - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, - - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, -}; - struct perf_event_attr frontend_attrs[] = { - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, -}; - struct perf_event_attr backend_attrs[] = { - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, -}; - struct perf_event_attr default_attrs1[] = { - { .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 }, - -}; - -/* - * Detailed stats (-d), covering the L1 and last level data caches: - */ - 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: - */ - 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) }, - -}; + const char *pmu = parse_events_option_args.pmu_filter ?: "all"; + struct parse_events_error err; + struct evlist *evlist = evlist__new(); + struct evsel *evsel; + int ret = 0; -/* - * Very, very detailed stats (-d -d -d), adding prefetch events: - */ - 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) }, -}; + if (!evlist) + return -ENOMEM; - struct perf_event_attr default_null_attrs[] = {}; - const char *pmu = parse_events_option_args.pmu_filter ?: "all"; + parse_events_error__init(&err); /* Set attrs if no event is selected and !null_run: */ if (stat_config.null_run) - return 0; + goto out; if (transaction_run) { /* Handle -T as -M transaction. Once platform specific metrics @@ -1975,9 +1870,10 @@ static int add_default_attributes(void) */ if (!metricgroup__has_metric(pmu, "transaction")) { pr_err("Missing transaction metrics\n"); - return -1; + ret = -1; + goto out; } - return metricgroup__parse_groups(evsel_list, pmu, "transaction", + ret = metricgroup__parse_groups(evlist, pmu, "transaction", stat_config.metric_no_group, stat_config.metric_no_merge, stat_config.metric_no_threshold, @@ -1985,6 +1881,7 @@ static int add_default_attributes(void) stat_config.system_wide, stat_config.hardware_aware_grouping, &stat_config.metric_events); + goto out; } if (smi_cost) { @@ -1992,26 +1889,29 @@ static int add_default_attributes(void) if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { pr_err("freeze_on_smi is not supported.\n"); - return -1; + ret = -1; + goto out; } if (!smi) { if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { - fprintf(stderr, "Failed to set freeze_on_smi.\n"); - return -1; + pr_err("Failed to set freeze_on_smi.\n"); + ret = -1; + goto out; } smi_reset = true; } if (!metricgroup__has_metric(pmu, "smi")) { pr_err("Missing smi metrics\n"); - return -1; + ret = -1; + goto out; } if (!force_metric_only) stat_config.metric_only = true; - return metricgroup__parse_groups(evsel_list, pmu, "smi", + ret = metricgroup__parse_groups(evlist, pmu, "smi", stat_config.metric_no_group, stat_config.metric_no_merge, stat_config.metric_no_threshold, @@ -2019,6 +1919,7 @@ static int add_default_attributes(void) stat_config.system_wide, stat_config.hardware_aware_grouping, &stat_config.metric_events); + goto out; } if (topdown_run) { @@ -2031,21 +1932,23 @@ static int add_default_attributes(void) if (!max_level) { pr_err("Topdown requested but the topdown metric groups aren't present.\n" "(See perf list the metric groups have names like TopdownL1)\n"); - return -1; + ret = -1; + goto out; } if (stat_config.topdown_level > max_level) { pr_err("Invalid top-down metrics level. The max level is %u.\n", max_level); - return -1; - } else if (!stat_config.topdown_level) + ret = -1; + goto out; + } else if (!stat_config.topdown_level) { stat_config.topdown_level = 1; - + } if (!stat_config.interval && !stat_config.metric_only) { fprintf(stat_config.output, "Topdown accuracy may decrease when measuring long periods.\n" "Please print the result regularly, e.g. -I1000\n"); } str[8] = stat_config.topdown_level + '0'; - if (metricgroup__parse_groups(evsel_list, + if (metricgroup__parse_groups(evlist, pmu, str, /*metric_no_group=*/false, /*metric_no_merge=*/false, @@ -2053,41 +1956,49 @@ static int add_default_attributes(void) stat_config.user_requested_cpu_list, stat_config.system_wide, stat_config.hardware_aware_grouping, - &stat_config.metric_events) < 0) - return -1; + &stat_config.metric_events) < 0) { + ret = -1; + goto out; + } } if (!stat_config.topdown_level) stat_config.topdown_level = 1; - if (!evsel_list->core.nr_entries) { + if (!evlist->core.nr_entries && !evsel_list->core.nr_entries) { /* No events so add defaults. */ if (target__has_cpu(&target)) - default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; + ret = parse_events(evlist, "cpu-clock", &err); + else + ret = parse_events(evlist, "task-clock", &err); + if (ret) + goto out; + + ret = parse_events(evlist, + "context-switches," + "cpu-migrations," + "page-faults," + "instructions," + "cycles," + "stalled-cycles-frontend," + "stalled-cycles-backend," + "branches," + "branch-misses", + &err); + if (ret) + goto out; - if (evlist__add_default_attrs(evsel_list, default_attrs0) < 0) - return -1; - if (perf_pmus__have_event("cpu", "stalled-cycles-frontend")) { - if (evlist__add_default_attrs(evsel_list, frontend_attrs) < 0) - return -1; - } - if (perf_pmus__have_event("cpu", "stalled-cycles-backend")) { - if (evlist__add_default_attrs(evsel_list, backend_attrs) < 0) - return -1; - } - if (evlist__add_default_attrs(evsel_list, default_attrs1) < 0) - return -1; /* * Add TopdownL1 metrics if they exist. To minimize * multiplexing, don't request threshold computation. */ if (metricgroup__has_metric(pmu, "Default")) { struct evlist *metric_evlist = evlist__new(); - struct evsel *metric_evsel; - - if (!metric_evlist) - return -1; + if (!metric_evlist) { + ret = -ENOMEM; + goto out; + } if (metricgroup__parse_groups(metric_evlist, pmu, "Default", /*metric_no_group=*/false, /*metric_no_merge=*/false, @@ -2095,43 +2006,71 @@ static int add_default_attributes(void) stat_config.user_requested_cpu_list, stat_config.system_wide, stat_config.hardware_aware_grouping, - &stat_config.metric_events) < 0) - return -1; - - evlist__for_each_entry(metric_evlist, metric_evsel) { - metric_evsel->skippable = true; - metric_evsel->default_metricgroup = true; + &stat_config.metric_events) < 0) { + ret = -1; + goto out; } - evlist__splice_list_tail(evsel_list, &metric_evlist->core.entries); + + evlist__for_each_entry(metric_evlist, evsel) + evsel->default_metricgroup = true; + + evlist__splice_list_tail(evlist, &metric_evlist->core.entries); evlist__delete(metric_evlist); } - - /* Platform specific attrs */ - if (evlist__add_default_attrs(evsel_list, default_null_attrs) < 0) - return -1; } /* Detailed events get appended to the event list: */ - if (detailed_run < 1) - return 0; - - /* Append detailed run extra attributes: */ - if (evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) - return -1; - - if (detailed_run < 2) - return 0; - - /* Append very detailed run extra attributes: */ - if (evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) - return -1; - - if (detailed_run < 3) - return 0; - - /* Append very, very detailed run extra attributes: */ - return evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); + if (!ret && detailed_run >= 1) { + /* + * Detailed stats (-d), covering the L1 and last level data + * caches: + */ + ret = parse_events(evlist, + "L1-dcache-loads," + "L1-dcache-load-misses," + "LLC-loads," + "LLC-load-misses", + &err); + } + if (!ret && detailed_run >= 2) { + /* + * Very detailed stats (-d -d), covering the instruction cache + * and the TLB caches: + */ + ret = parse_events(evlist, + "L1-icache-loads," + "L1-icache-load-misses," + "dTLB-loads," + "dTLB-load-misses," + "iTLB-loads," + "iTLB-load-misses", + &err); + } + if (!ret && detailed_run >= 3) { + /* + * Very, very detailed stats (-d -d -d), adding prefetch events: + */ + ret = parse_events(evlist, + "L1-dcache-prefetches," + "L1-dcache-prefetch-misses", + &err); + } +out: + if (!ret) { + evlist__for_each_entry(evlist, evsel) { + /* + * Make at least one event non-skippable so fatal errors are visible. + * 'cycles' always used to be default and non-skippable, so use that. + */ + if (strcmp("cycles", evsel__name(evsel))) + evsel->skippable = true; + } + } + parse_events_error__exit(&err); + evlist__splice_list_tail(evsel_list, &evlist->core.entries); + evlist__delete(evlist); + return ret; } static const char * const stat_record_usage[] = { @@ -2788,7 +2727,7 @@ int cmd_stat(int argc, const char **argv) } } - if (add_default_attributes()) + if (add_default_events()) goto out; if (stat_config.cgroup_list) { |