191007045SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 286470930SIngo Molnar /* 386470930SIngo Molnar * builtin-stat.c 486470930SIngo Molnar * 586470930SIngo Molnar * Builtin stat command: Give a precise performance counters summary 686470930SIngo Molnar * overview about any workload, CPU or specific PID. 786470930SIngo Molnar * 886470930SIngo Molnar * Sample output: 986470930SIngo Molnar 102cba3ffbSIngo Molnar $ perf stat ./hackbench 10 1186470930SIngo Molnar 122cba3ffbSIngo Molnar Time: 0.118 1386470930SIngo Molnar 142cba3ffbSIngo Molnar Performance counter stats for './hackbench 10': 1586470930SIngo Molnar 162cba3ffbSIngo Molnar 1708.761321 task-clock # 11.037 CPUs utilized 172cba3ffbSIngo Molnar 41,190 context-switches # 0.024 M/sec 182cba3ffbSIngo Molnar 6,735 CPU-migrations # 0.004 M/sec 192cba3ffbSIngo Molnar 17,318 page-faults # 0.010 M/sec 202cba3ffbSIngo Molnar 5,205,202,243 cycles # 3.046 GHz 212cba3ffbSIngo Molnar 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle 222cba3ffbSIngo Molnar 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle 232cba3ffbSIngo Molnar 2,603,501,247 instructions # 0.50 insns per cycle 242cba3ffbSIngo Molnar # 1.48 stalled cycles per insn 252cba3ffbSIngo Molnar 484,357,498 branches # 283.455 M/sec 262cba3ffbSIngo Molnar 6,388,934 branch-misses # 1.32% of all branches 272cba3ffbSIngo Molnar 282cba3ffbSIngo Molnar 0.154822978 seconds time elapsed 2986470930SIngo Molnar 3086470930SIngo Molnar * 312cba3ffbSIngo Molnar * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> 3286470930SIngo Molnar * 3386470930SIngo Molnar * Improvements and fixes by: 3486470930SIngo Molnar * 3586470930SIngo Molnar * Arjan van de Ven <arjan@linux.intel.com> 3686470930SIngo Molnar * Yanmin Zhang <yanmin.zhang@intel.com> 3786470930SIngo Molnar * Wu Fengguang <fengguang.wu@intel.com> 3886470930SIngo Molnar * Mike Galbraith <efault@gmx.de> 3986470930SIngo Molnar * Paul Mackerras <paulus@samba.org> 406e750a8fSJaswinder Singh Rajput * Jaswinder Singh Rajput <jaswinder@kernel.org> 4186470930SIngo Molnar */ 4286470930SIngo Molnar 4386470930SIngo Molnar #include "builtin.h" 44c1a604dfSArnaldo Carvalho de Melo #include "perf.h" 45f14d5707SArnaldo Carvalho de Melo #include "util/cgroup.h" 464b6ab94eSJosh Poimboeuf #include <subcmd/parse-options.h> 4786470930SIngo Molnar #include "util/parse-events.h" 484cabc3d1SAndi Kleen #include "util/pmu.h" 498f28827aSFrederic Weisbecker #include "util/event.h" 50361c99a6SArnaldo Carvalho de Melo #include "util/evlist.h" 5169aad6f1SArnaldo Carvalho de Melo #include "util/evsel.h" 528f28827aSFrederic Weisbecker #include "util/debug.h" 53a5d243d0SIngo Molnar #include "util/color.h" 540007eceaSXiao Guangrong #include "util/stat.h" 5560666c63SLiming Wang #include "util/header.h" 56a12b51c4SPaul Mackerras #include "util/cpumap.h" 57fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 58d809560bSJiri Olsa #include "util/counts.h" 5944b1e60aSAndi Kleen #include "util/group.h" 604979d0c7SJiri Olsa #include "util/session.h" 61ba6039b6SJiri Olsa #include "util/tool.h" 62a067558eSArnaldo Carvalho de Melo #include "util/string2.h" 63b18f3e36SAndi Kleen #include "util/metricgroup.h" 64ea49e01cSArnaldo Carvalho de Melo #include "util/synthetic-events.h" 65aeb00b1aSArnaldo Carvalho de Melo #include "util/target.h" 66f3711020SArnaldo Carvalho de Melo #include "util/time-utils.h" 679660e08eSJiri Olsa #include "util/top.h" 684804e011SAndi Kleen #include "util/affinity.h" 69ba6039b6SJiri Olsa #include "asm/bug.h" 7086470930SIngo Molnar 71bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 727f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 7344b1e60aSAndi Kleen #include <api/fs/fs.h> 74a43783aeSArnaldo Carvalho de Melo #include <errno.h> 759607ad3aSArnaldo Carvalho de Melo #include <signal.h> 761f16c575SPeter Zijlstra #include <stdlib.h> 7786470930SIngo Molnar #include <sys/prctl.h> 78fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 795af52b51SStephane Eranian #include <locale.h> 80e3b03b6cSAndi Kleen #include <math.h> 817a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 827a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 834208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 847a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 850ce2da14SJiri Olsa #include <sys/time.h> 860ce2da14SJiri Olsa #include <sys/resource.h> 876ef81c55SMamatha Inamdar #include <linux/err.h> 8886470930SIngo Molnar 893052ba56SArnaldo Carvalho de Melo #include <linux/ctype.h> 90453fa030SJiri Olsa #include <perf/evlist.h> 913d689ed6SArnaldo Carvalho de Melo 92d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 93daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 94d7470b6aSStephane Eranian 95d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9613370a9bSStephane Eranian 974cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 98a454742cSJiri Olsa static const char *transaction_attrs = { 99a454742cSJiri Olsa "task-clock," 1004cabc3d1SAndi Kleen "{" 1014cabc3d1SAndi Kleen "instructions," 1024cabc3d1SAndi Kleen "cycles," 1034cabc3d1SAndi Kleen "cpu/cycles-t/," 1044cabc3d1SAndi Kleen "cpu/tx-start/," 1054cabc3d1SAndi Kleen "cpu/el-start/," 1064cabc3d1SAndi Kleen "cpu/cycles-ct/" 1074cabc3d1SAndi Kleen "}" 1084cabc3d1SAndi Kleen }; 1094cabc3d1SAndi Kleen 1104cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 111a454742cSJiri Olsa static const char * transaction_limited_attrs = { 112a454742cSJiri Olsa "task-clock," 1134cabc3d1SAndi Kleen "{" 1144cabc3d1SAndi Kleen "instructions," 1154cabc3d1SAndi Kleen "cycles," 1164cabc3d1SAndi Kleen "cpu/cycles-t/," 1174cabc3d1SAndi Kleen "cpu/tx-start/" 1184cabc3d1SAndi Kleen "}" 1194cabc3d1SAndi Kleen }; 1204cabc3d1SAndi Kleen 12144b1e60aSAndi Kleen static const char * topdown_attrs[] = { 12244b1e60aSAndi Kleen "topdown-total-slots", 12344b1e60aSAndi Kleen "topdown-slots-retired", 12444b1e60aSAndi Kleen "topdown-recovery-bubbles", 12544b1e60aSAndi Kleen "topdown-fetch-bubbles", 12644b1e60aSAndi Kleen "topdown-slots-issued", 12744b1e60aSAndi Kleen NULL, 12844b1e60aSAndi Kleen }; 12944b1e60aSAndi Kleen 130daefd0bcSKan Liang static const char *smi_cost_attrs = { 131daefd0bcSKan Liang "{" 132daefd0bcSKan Liang "msr/aperf/," 133daefd0bcSKan Liang "msr/smi/," 134daefd0bcSKan Liang "cycles" 135daefd0bcSKan Liang "}" 136daefd0bcSKan Liang }; 137daefd0bcSKan Liang 13863503dbaSJiri Olsa static struct evlist *evsel_list; 139361c99a6SArnaldo Carvalho de Melo 140602ad878SArnaldo Carvalho de Melo static struct target target = { 14177a6f014SNamhyung Kim .uid = UINT_MAX, 14277a6f014SNamhyung Kim }; 14342202dd5SIngo Molnar 144c1a1f5d9SJiri Olsa #define METRIC_ONLY_LEN 20 145c1a1f5d9SJiri Olsa 146d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 1472cba3ffbSIngo Molnar static int detailed_run = 0; 1484cabc3d1SAndi Kleen static bool transaction_run; 14944b1e60aSAndi Kleen static bool topdown_run = false; 150daefd0bcSKan Liang static bool smi_cost = false; 151daefd0bcSKan Liang static bool smi_reset = false; 152d7470b6aSStephane Eranian static int big_num_opt = -1; 15343bece79SLin Ming static bool group = false; 1541f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1551f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1561f16c575SPeter Zijlstra static bool sync_run = false; 157a7e191c3SFrederik Deweerdt static bool forever = false; 15844b1e60aSAndi Kleen static bool force_metric_only = false; 15913370a9bSStephane Eranian static struct timespec ref_time; 160e0547311SJiri Olsa static bool append_file; 161db06a269Syuzhoujian static bool interval_count; 162e0547311SJiri Olsa static const char *output_name; 163e0547311SJiri Olsa static int output_fd; 1645af52b51SStephane Eranian 1654979d0c7SJiri Olsa struct perf_stat { 1664979d0c7SJiri Olsa bool record; 1678ceb41d7SJiri Olsa struct perf_data data; 1684979d0c7SJiri Olsa struct perf_session *session; 1694979d0c7SJiri Olsa u64 bytes_written; 170ba6039b6SJiri Olsa struct perf_tool tool; 1711975d36eSJiri Olsa bool maps_allocated; 172f854839bSJiri Olsa struct perf_cpu_map *cpus; 1739749b90eSJiri Olsa struct perf_thread_map *threads; 17489af4e05SJiri Olsa enum aggr_mode aggr_mode; 1754979d0c7SJiri Olsa }; 1764979d0c7SJiri Olsa 1774979d0c7SJiri Olsa static struct perf_stat perf_stat; 1784979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1794979d0c7SJiri Olsa 18060666c63SLiming Wang static volatile int done = 0; 18160666c63SLiming Wang 182421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 183421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 184711a572eSJiri Olsa .scale = true, 185df4f7b4dSJiri Olsa .unit_width = 4, /* strlen("unit") */ 186d97ae04bSJiri Olsa .run_count = 1, 187ee1760e2SJiri Olsa .metric_only_len = METRIC_ONLY_LEN, 18826893a60SJiri Olsa .walltime_nsecs_stats = &walltime_nsecs_stats, 18934ff0866SJiri Olsa .big_num = true, 190421a50f3SJiri Olsa }; 191421a50f3SJiri Olsa 19213370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 19313370a9bSStephane Eranian struct timespec *b) 19413370a9bSStephane Eranian { 19513370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 19613370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 197310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 19813370a9bSStephane Eranian r->tv_sec--; 19913370a9bSStephane Eranian } else { 20013370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 20113370a9bSStephane Eranian } 20213370a9bSStephane Eranian } 20313370a9bSStephane Eranian 204254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 205254ecbc7SJiri Olsa { 20656739444SJin Yao int i; 20756739444SJin Yao 208254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 209f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 21056739444SJin Yao 21156739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 21256739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 2131eda3b21SJiri Olsa } 2141eda3b21SJiri Olsa 2158b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2164979d0c7SJiri Olsa union perf_event *event, 2174979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2184979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2194979d0c7SJiri Olsa { 2208ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 2218b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2228b99b1a4SJiri Olsa return -1; 2238b99b1a4SJiri Olsa } 2248b99b1a4SJiri Olsa 2258b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2268b99b1a4SJiri Olsa return 0; 2274979d0c7SJiri Olsa } 2284979d0c7SJiri Olsa 2291975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 2307aad0c32SJiri Olsa { 2311975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 2327aad0c32SJiri Olsa process_synthesized_event, 2337aad0c32SJiri Olsa NULL); 2347aad0c32SJiri Olsa } 2357aad0c32SJiri Olsa 2367aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2377aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2387aad0c32SJiri Olsa 2398cd36f3eSJiri Olsa #define SID(e, x, y) xyarray__entry(e->core.sample_id, x, y) 2405a6ea81bSJiri Olsa 2415a6ea81bSJiri Olsa static int 24232dcd021SJiri Olsa perf_evsel__write_stat_event(struct evsel *counter, u32 cpu, u32 thread, 2435a6ea81bSJiri Olsa struct perf_counts_values *count) 2445a6ea81bSJiri Olsa { 2455a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2465a6ea81bSJiri Olsa 2475a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2485a6ea81bSJiri Olsa process_synthesized_event, NULL); 2495a6ea81bSJiri Olsa } 2505a6ea81bSJiri Olsa 25132dcd021SJiri Olsa static int read_single_counter(struct evsel *counter, int cpu, 252f0fbb114SAndi Kleen int thread, struct timespec *rs) 253f0fbb114SAndi Kleen { 254f0fbb114SAndi Kleen if (counter->tool_event == PERF_TOOL_DURATION_TIME) { 255f0fbb114SAndi Kleen u64 val = rs->tv_nsec + rs->tv_sec*1000000000ULL; 256f0fbb114SAndi Kleen struct perf_counts_values *count = 257f0fbb114SAndi Kleen perf_counts(counter->counts, cpu, thread); 258f0fbb114SAndi Kleen count->ena = count->run = val; 259f0fbb114SAndi Kleen count->val = val; 260f0fbb114SAndi Kleen return 0; 261f0fbb114SAndi Kleen } 262f0fbb114SAndi Kleen return perf_evsel__read_counter(counter, cpu, thread); 263f0fbb114SAndi Kleen } 264f0fbb114SAndi Kleen 265f5b4a9c3SStephane Eranian /* 266f5b4a9c3SStephane Eranian * Read out the results of a single counter: 267f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 268f5b4a9c3SStephane Eranian */ 2694b49ab70SAndi Kleen static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu) 270f5b4a9c3SStephane Eranian { 271a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(evsel_list->core.threads); 2724b49ab70SAndi Kleen int thread; 273f5b4a9c3SStephane Eranian 2743b4331d9SSuzuki K. Poulose if (!counter->supported) 2753b4331d9SSuzuki K. Poulose return -ENOENT; 2763b4331d9SSuzuki K. Poulose 277648b5af3SJiri Olsa if (counter->core.system_wide) 2789bf1a529SJiri Olsa nthreads = 1; 2799bf1a529SJiri Olsa 2809bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 2813b3eb044SJiri Olsa struct perf_counts_values *count; 2823b3eb044SJiri Olsa 2833b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 28482bf311eSJiri Olsa 28582bf311eSJiri Olsa /* 28682bf311eSJiri Olsa * The leader's group read loads data into its group members 2874b49ab70SAndi Kleen * (via perf_evsel__read_counter()) and sets their count->loaded. 28882bf311eSJiri Olsa */ 289df1d6856SJiri Olsa if (!perf_counts__is_loaded(counter->counts, cpu, thread) && 290f0fbb114SAndi Kleen read_single_counter(counter, cpu, thread, rs)) { 291db49a717SStephane Eranian counter->counts->scaled = -1; 292db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 293db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 294c52b12edSArnaldo Carvalho de Melo return -1; 295db49a717SStephane Eranian } 2965a6ea81bSJiri Olsa 297df1d6856SJiri Olsa perf_counts__set_loaded(counter->counts, cpu, thread, false); 29882bf311eSJiri Olsa 2995a6ea81bSJiri Olsa if (STAT_RECORD) { 3005a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3015a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3025a6ea81bSJiri Olsa return -1; 3035a6ea81bSJiri Olsa } 3045a6ea81bSJiri Olsa } 3050b1abbf4SAndi Kleen 3060b1abbf4SAndi Kleen if (verbose > 1) { 3070b1abbf4SAndi Kleen fprintf(stat_config.output, 3080b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3090b1abbf4SAndi Kleen perf_evsel__name(counter), 3100b1abbf4SAndi Kleen cpu, 3110b1abbf4SAndi Kleen count->val, count->ena, count->run); 3120b1abbf4SAndi Kleen } 313f5b4a9c3SStephane Eranian } 314c52b12edSArnaldo Carvalho de Melo 315c52b12edSArnaldo Carvalho de Melo return 0; 31686470930SIngo Molnar } 31786470930SIngo Molnar 318f0fbb114SAndi Kleen static void read_counters(struct timespec *rs) 319106a94a0SJiri Olsa { 32032dcd021SJiri Olsa struct evsel *counter; 3214b49ab70SAndi Kleen struct affinity affinity; 3224b49ab70SAndi Kleen int i, ncpus, cpu; 3234b49ab70SAndi Kleen 3244b49ab70SAndi Kleen if (affinity__setup(&affinity) < 0) 3254b49ab70SAndi Kleen return; 3264b49ab70SAndi Kleen 3274b49ab70SAndi Kleen ncpus = perf_cpu_map__nr(evsel_list->core.all_cpus); 3284b49ab70SAndi Kleen if (!target__has_cpu(&target) || target__has_per_thread(&target)) 3294b49ab70SAndi Kleen ncpus = 1; 3304b49ab70SAndi Kleen evlist__for_each_cpu(evsel_list, i, cpu) { 3314b49ab70SAndi Kleen if (i >= ncpus) 3324b49ab70SAndi Kleen break; 3334b49ab70SAndi Kleen affinity__set(&affinity, cpu); 334106a94a0SJiri Olsa 335e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 3364b49ab70SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 3374b49ab70SAndi Kleen continue; 3384b49ab70SAndi Kleen if (!counter->err) { 3394b49ab70SAndi Kleen counter->err = read_counter_cpu(counter, rs, 3404b49ab70SAndi Kleen counter->cpu_iter - 1); 3414b49ab70SAndi Kleen } 3424b49ab70SAndi Kleen } 3434b49ab70SAndi Kleen } 3444b49ab70SAndi Kleen affinity__cleanup(&affinity); 3453b3eb044SJiri Olsa 3464b49ab70SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 3474b49ab70SAndi Kleen if (counter->err) 3484b49ab70SAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3494b49ab70SAndi Kleen if (counter->err == 0 && perf_stat_process_counter(&stat_config, counter)) 3503b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 3514b49ab70SAndi Kleen counter->err = 0; 352106a94a0SJiri Olsa } 353106a94a0SJiri Olsa } 354106a94a0SJiri Olsa 355ba411a95SJiri Olsa static void process_interval(void) 35613370a9bSStephane Eranian { 35713370a9bSStephane Eranian struct timespec ts, rs; 35813370a9bSStephane Eranian 35913370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 36013370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 36113370a9bSStephane Eranian 362197ba86fSJin Yao perf_stat__reset_shadow_per_stat(&rt_stat); 363f0fbb114SAndi Kleen read_counters(&rs); 364f0fbb114SAndi Kleen 3657aad0c32SJiri Olsa if (STAT_RECORD) { 366bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 3677aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 3687aad0c32SJiri Olsa } 3697aad0c32SJiri Olsa 370b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 371b90f1333SAndi Kleen update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); 372d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 37313370a9bSStephane Eranian } 37413370a9bSStephane Eranian 37567ccdecdSJiri Olsa static void enable_counters(void) 37641191688SAndi Kleen { 377728c0ee0SJiri Olsa if (stat_config.initial_delay) 378728c0ee0SJiri Olsa usleep(stat_config.initial_delay * USEC_PER_MSEC); 37967ccdecdSJiri Olsa 38067ccdecdSJiri Olsa /* 38167ccdecdSJiri Olsa * We need to enable counters only if: 38267ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 38367ccdecdSJiri Olsa * - we have initial delay configured 38467ccdecdSJiri Olsa */ 385728c0ee0SJiri Olsa if (!target__none(&target) || stat_config.initial_delay) 3861c87f165SJiri Olsa evlist__enable(evsel_list); 38741191688SAndi Kleen } 38841191688SAndi Kleen 3893df33effSMark Rutland static void disable_counters(void) 3903df33effSMark Rutland { 3913df33effSMark Rutland /* 3923df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 3933df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 3943df33effSMark Rutland * from counting before reading their constituent counters. 3953df33effSMark Rutland */ 3963df33effSMark Rutland if (!target__none(&target)) 397e74676deSJiri Olsa evlist__disable(evsel_list); 3983df33effSMark Rutland } 3993df33effSMark Rutland 400f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 4016af206fdSArnaldo Carvalho de Melo 4026af206fdSArnaldo Carvalho de Melo /* 4036af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 4046af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 4056af206fdSArnaldo Carvalho de Melo * want_signal to true. 4066af206fdSArnaldo Carvalho de Melo */ 407f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 408f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 4096af206fdSArnaldo Carvalho de Melo { 410f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 4116af206fdSArnaldo Carvalho de Melo } 4126af206fdSArnaldo Carvalho de Melo 41332dcd021SJiri Olsa static bool perf_evsel__should_store_id(struct evsel *counter) 41482bf311eSJiri Olsa { 4151fc632ceSJiri Olsa return STAT_RECORD || counter->core.attr.read_format & PERF_FORMAT_ID; 41682bf311eSJiri Olsa } 41782bf311eSJiri Olsa 418cbb5df7eSJiri Olsa static bool is_target_alive(struct target *_target, 4199749b90eSJiri Olsa struct perf_thread_map *threads) 420cbb5df7eSJiri Olsa { 421cbb5df7eSJiri Olsa struct stat st; 422cbb5df7eSJiri Olsa int i; 423cbb5df7eSJiri Olsa 424cbb5df7eSJiri Olsa if (!target__has_task(_target)) 425cbb5df7eSJiri Olsa return true; 426cbb5df7eSJiri Olsa 427cbb5df7eSJiri Olsa for (i = 0; i < threads->nr; i++) { 428cbb5df7eSJiri Olsa char path[PATH_MAX]; 429cbb5df7eSJiri Olsa 430cbb5df7eSJiri Olsa scnprintf(path, PATH_MAX, "%s/%d", procfs__mountpoint(), 431cbb5df7eSJiri Olsa threads->map[i].pid); 432cbb5df7eSJiri Olsa 433cbb5df7eSJiri Olsa if (!stat(path, &st)) 434cbb5df7eSJiri Olsa return true; 435cbb5df7eSJiri Olsa } 436cbb5df7eSJiri Olsa 437cbb5df7eSJiri Olsa return false; 438cbb5df7eSJiri Olsa } 439cbb5df7eSJiri Olsa 440e0e6a6caSAndi Kleen enum counter_recovery { 441e0e6a6caSAndi Kleen COUNTER_SKIP, 442e0e6a6caSAndi Kleen COUNTER_RETRY, 443e0e6a6caSAndi Kleen COUNTER_FATAL, 444e0e6a6caSAndi Kleen }; 445e0e6a6caSAndi Kleen 446e0e6a6caSAndi Kleen static enum counter_recovery stat_handle_error(struct evsel *counter) 447e0e6a6caSAndi Kleen { 448e0e6a6caSAndi Kleen char msg[BUFSIZ]; 449e0e6a6caSAndi Kleen /* 450e0e6a6caSAndi Kleen * PPC returns ENXIO for HW counters until 2.6.37 451e0e6a6caSAndi Kleen * (behavior changed with commit b0a873e). 452e0e6a6caSAndi Kleen */ 453e0e6a6caSAndi Kleen if (errno == EINVAL || errno == ENOSYS || 454e0e6a6caSAndi Kleen errno == ENOENT || errno == EOPNOTSUPP || 455e0e6a6caSAndi Kleen errno == ENXIO) { 456e0e6a6caSAndi Kleen if (verbose > 0) 457e0e6a6caSAndi Kleen ui__warning("%s event is not supported by the kernel.\n", 458e0e6a6caSAndi Kleen perf_evsel__name(counter)); 459e0e6a6caSAndi Kleen counter->supported = false; 4604804e011SAndi Kleen /* 4614804e011SAndi Kleen * errored is a sticky flag that means one of the counter's 4624804e011SAndi Kleen * cpu event had a problem and needs to be reexamined. 4634804e011SAndi Kleen */ 4644804e011SAndi Kleen counter->errored = true; 465e0e6a6caSAndi Kleen 466e0e6a6caSAndi Kleen if ((counter->leader != counter) || 467e0e6a6caSAndi Kleen !(counter->leader->core.nr_members > 1)) 468e0e6a6caSAndi Kleen return COUNTER_SKIP; 469e0e6a6caSAndi Kleen } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 470e0e6a6caSAndi Kleen if (verbose > 0) 471e0e6a6caSAndi Kleen ui__warning("%s\n", msg); 472e0e6a6caSAndi Kleen return COUNTER_RETRY; 473e0e6a6caSAndi Kleen } else if (target__has_per_thread(&target) && 474e0e6a6caSAndi Kleen evsel_list->core.threads && 475e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread != -1) { 476e0e6a6caSAndi Kleen /* 477e0e6a6caSAndi Kleen * For global --per-thread case, skip current 478e0e6a6caSAndi Kleen * error thread. 479e0e6a6caSAndi Kleen */ 480e0e6a6caSAndi Kleen if (!thread_map__remove(evsel_list->core.threads, 481e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread)) { 482e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread = -1; 483e0e6a6caSAndi Kleen return COUNTER_RETRY; 484e0e6a6caSAndi Kleen } 485e0e6a6caSAndi Kleen } 486e0e6a6caSAndi Kleen 487e0e6a6caSAndi Kleen perf_evsel__open_strerror(counter, &target, 488e0e6a6caSAndi Kleen errno, msg, sizeof(msg)); 489e0e6a6caSAndi Kleen ui__error("%s\n", msg); 490e0e6a6caSAndi Kleen 491e0e6a6caSAndi Kleen if (child_pid != -1) 492e0e6a6caSAndi Kleen kill(child_pid, SIGTERM); 493e0e6a6caSAndi Kleen return COUNTER_FATAL; 494e0e6a6caSAndi Kleen } 495e0e6a6caSAndi Kleen 496e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 49786470930SIngo Molnar { 498ec0d3d1fSJiri Olsa int interval = stat_config.interval; 499db06a269Syuzhoujian int times = stat_config.times; 500f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 501d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 50286470930SIngo Molnar unsigned long long t0, t1; 50332dcd021SJiri Olsa struct evsel *counter; 50413370a9bSStephane Eranian struct timespec ts; 505410136f5SStephane Eranian size_t l; 50642202dd5SIngo Molnar int status = 0; 5076be2850eSZhang, Yanmin const bool forks = (argc > 0); 5088ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 5094804e011SAndi Kleen struct affinity affinity; 5104804e011SAndi Kleen int i, cpu; 5114804e011SAndi Kleen bool second_pass = false; 51286470930SIngo Molnar 51313370a9bSStephane Eranian if (interval) { 514310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 515310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 516f1f8ad52Syuzhoujian } else if (timeout) { 517f1f8ad52Syuzhoujian ts.tv_sec = timeout / USEC_PER_MSEC; 518f1f8ad52Syuzhoujian ts.tv_nsec = (timeout % USEC_PER_MSEC) * NSEC_PER_MSEC; 51913370a9bSStephane Eranian } else { 52013370a9bSStephane Eranian ts.tv_sec = 1; 52113370a9bSStephane Eranian ts.tv_nsec = 0; 52213370a9bSStephane Eranian } 52313370a9bSStephane Eranian 524acf28922SNamhyung Kim if (forks) { 525664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 526735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 527acf28922SNamhyung Kim perror("failed to prepare workload"); 528fceda7feSDavid Ahern return -1; 529051ae7f7SPaul Mackerras } 530d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 53160666c63SLiming Wang } 532051ae7f7SPaul Mackerras 5336a4bb04cSJiri Olsa if (group) 53463dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 5356a4bb04cSJiri Olsa 5364804e011SAndi Kleen if (affinity__setup(&affinity) < 0) 5374804e011SAndi Kleen return -1; 5385a5dfe4bSAndi Kleen 5394804e011SAndi Kleen evlist__for_each_cpu (evsel_list, i, cpu) { 5404804e011SAndi Kleen affinity__set(&affinity, cpu); 5414804e011SAndi Kleen 5424804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 5434804e011SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 5444804e011SAndi Kleen continue; 5454804e011SAndi Kleen if (counter->reset_group || counter->errored) 5464804e011SAndi Kleen continue; 5474804e011SAndi Kleen try_again: 5484804e011SAndi Kleen if (create_perf_stat_counter(counter, &stat_config, &target, 5494804e011SAndi Kleen counter->cpu_iter - 1) < 0) { 5504804e011SAndi Kleen 5514804e011SAndi Kleen /* 5524804e011SAndi Kleen * Weak group failed. We cannot just undo this here 5534804e011SAndi Kleen * because earlier CPUs might be in group mode, and the kernel 5544804e011SAndi Kleen * doesn't support mixing group and non group reads. Defer 5554804e011SAndi Kleen * it to later. 5564804e011SAndi Kleen * Don't close here because we're in the wrong affinity. 5574804e011SAndi Kleen */ 55835c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 5595a5dfe4bSAndi Kleen counter->leader != counter && 5605a5dfe4bSAndi Kleen counter->weak_group) { 5614804e011SAndi Kleen perf_evlist__reset_weak_group(evsel_list, counter, false); 5624804e011SAndi Kleen assert(counter->reset_group); 5634804e011SAndi Kleen second_pass = true; 5644804e011SAndi Kleen continue; 5655a5dfe4bSAndi Kleen } 5665a5dfe4bSAndi Kleen 567e0e6a6caSAndi Kleen switch (stat_handle_error(counter)) { 568e0e6a6caSAndi Kleen case COUNTER_FATAL: 569084ab9f8SArnaldo Carvalho de Melo return -1; 570e0e6a6caSAndi Kleen case COUNTER_RETRY: 571e0e6a6caSAndi Kleen goto try_again; 572e0e6a6caSAndi Kleen case COUNTER_SKIP: 573e0e6a6caSAndi Kleen continue; 574e0e6a6caSAndi Kleen default: 575e0e6a6caSAndi Kleen break; 576e0e6a6caSAndi Kleen } 5774804e011SAndi Kleen 578084ab9f8SArnaldo Carvalho de Melo } 5792cee77c4SDavid Ahern counter->supported = true; 5804804e011SAndi Kleen } 5814804e011SAndi Kleen } 5824804e011SAndi Kleen 5834804e011SAndi Kleen if (second_pass) { 5844804e011SAndi Kleen /* 5854804e011SAndi Kleen * Now redo all the weak group after closing them, 5864804e011SAndi Kleen * and also close errored counters. 5874804e011SAndi Kleen */ 5884804e011SAndi Kleen 5894804e011SAndi Kleen evlist__for_each_cpu(evsel_list, i, cpu) { 5904804e011SAndi Kleen affinity__set(&affinity, cpu); 5914804e011SAndi Kleen /* First close errored or weak retry */ 5924804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 5934804e011SAndi Kleen if (!counter->reset_group && !counter->errored) 5944804e011SAndi Kleen continue; 5954804e011SAndi Kleen if (evsel__cpu_iter_skip_no_inc(counter, cpu)) 5964804e011SAndi Kleen continue; 5974804e011SAndi Kleen perf_evsel__close_cpu(&counter->core, counter->cpu_iter); 5984804e011SAndi Kleen } 5994804e011SAndi Kleen /* Now reopen weak */ 6004804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 6014804e011SAndi Kleen if (!counter->reset_group && !counter->errored) 6024804e011SAndi Kleen continue; 6034804e011SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 6044804e011SAndi Kleen continue; 6054804e011SAndi Kleen if (!counter->reset_group) 6064804e011SAndi Kleen continue; 6074804e011SAndi Kleen try_again_reset: 6084804e011SAndi Kleen pr_debug2("reopening weak %s\n", perf_evsel__name(counter)); 6094804e011SAndi Kleen if (create_perf_stat_counter(counter, &stat_config, &target, 6104804e011SAndi Kleen counter->cpu_iter - 1) < 0) { 6114804e011SAndi Kleen 6124804e011SAndi Kleen switch (stat_handle_error(counter)) { 6134804e011SAndi Kleen case COUNTER_FATAL: 6144804e011SAndi Kleen return -1; 6154804e011SAndi Kleen case COUNTER_RETRY: 6164804e011SAndi Kleen goto try_again_reset; 6174804e011SAndi Kleen case COUNTER_SKIP: 6184804e011SAndi Kleen continue; 6194804e011SAndi Kleen default: 6204804e011SAndi Kleen break; 6214804e011SAndi Kleen } 6224804e011SAndi Kleen } 6234804e011SAndi Kleen counter->supported = true; 6244804e011SAndi Kleen } 6254804e011SAndi Kleen } 6264804e011SAndi Kleen } 6274804e011SAndi Kleen affinity__cleanup(&affinity); 6284804e011SAndi Kleen 6294804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 6304804e011SAndi Kleen if (!counter->supported) { 6314804e011SAndi Kleen perf_evsel__free_fd(&counter->core); 6324804e011SAndi Kleen continue; 6334804e011SAndi Kleen } 634410136f5SStephane Eranian 635410136f5SStephane Eranian l = strlen(counter->unit); 636df4f7b4dSJiri Olsa if (l > stat_config.unit_width) 637df4f7b4dSJiri Olsa stat_config.unit_width = l; 6382af4646dSJiri Olsa 63982bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 640650d6220SJiri Olsa perf_evsel__store_ids(counter, evsel_list)) 6412af4646dSJiri Olsa return -1; 64248290609SArnaldo Carvalho de Melo } 64386470930SIngo Molnar 64423d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 64562d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 64623d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 647c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 648cfd748aeSFrederic Weisbecker return -1; 649cfd748aeSFrederic Weisbecker } 650cfd748aeSFrederic Weisbecker 6514979d0c7SJiri Olsa if (STAT_RECORD) { 6528ceb41d7SJiri Olsa int err, fd = perf_data__fd(&perf_stat.data); 6534979d0c7SJiri Olsa 654664c98d4SJiri Olsa if (is_pipe) { 6558ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 656664c98d4SJiri Olsa } else { 6574979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 6584979d0c7SJiri Olsa fd, false); 659664c98d4SJiri Olsa } 660664c98d4SJiri Olsa 6614979d0c7SJiri Olsa if (err < 0) 6624979d0c7SJiri Olsa return err; 6638b99b1a4SJiri Olsa 664b251892dSArnaldo Carvalho de Melo err = perf_event__synthesize_stat_events(&stat_config, NULL, evsel_list, 665c2c247f2SJiri Olsa process_synthesized_event, is_pipe); 6668b99b1a4SJiri Olsa if (err < 0) 6678b99b1a4SJiri Olsa return err; 6684979d0c7SJiri Olsa } 6694979d0c7SJiri Olsa 67086470930SIngo Molnar /* 67186470930SIngo Molnar * Enable counters and exec the command: 67286470930SIngo Molnar */ 67386470930SIngo Molnar t0 = rdclock(); 67413370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 67586470930SIngo Molnar 67660666c63SLiming Wang if (forks) { 677acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 67867ccdecdSJiri Olsa enable_counters(); 679acf28922SNamhyung Kim 680f1f8ad52Syuzhoujian if (interval || timeout) { 68113370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 68213370a9bSStephane Eranian nanosleep(&ts, NULL); 683f1f8ad52Syuzhoujian if (timeout) 684f1f8ad52Syuzhoujian break; 685ba411a95SJiri Olsa process_interval(); 686db06a269Syuzhoujian if (interval_count && !(--times)) 687db06a269Syuzhoujian break; 68813370a9bSStephane Eranian } 68913370a9bSStephane Eranian } 690cfbd41b7SArnaldo Carvalho de Melo if (child_pid != -1) { 691cfbd41b7SArnaldo Carvalho de Melo if (timeout) 692cfbd41b7SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 6938897a891SJiri Olsa wait4(child_pid, &status, 0, &stat_config.ru_data); 694cfbd41b7SArnaldo Carvalho de Melo } 6956af206fdSArnaldo Carvalho de Melo 696f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 697c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 698f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 6996af206fdSArnaldo Carvalho de Melo return -1; 700f33cbe72SArnaldo Carvalho de Melo } 7016af206fdSArnaldo Carvalho de Melo 70233e49ea7SAndi Kleen if (WIFSIGNALED(status)) 70333e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 70460666c63SLiming Wang } else { 70567ccdecdSJiri Olsa enable_counters(); 70613370a9bSStephane Eranian while (!done) { 70713370a9bSStephane Eranian nanosleep(&ts, NULL); 70803617c22SJiri Olsa if (!is_target_alive(&target, evsel_list->core.threads)) 709cbb5df7eSJiri Olsa break; 710f1f8ad52Syuzhoujian if (timeout) 711f1f8ad52Syuzhoujian break; 712db06a269Syuzhoujian if (interval) { 713ba411a95SJiri Olsa process_interval(); 714db06a269Syuzhoujian if (interval_count && !(--times)) 715db06a269Syuzhoujian break; 716db06a269Syuzhoujian } 71713370a9bSStephane Eranian } 71860666c63SLiming Wang } 71986470930SIngo Molnar 7203df33effSMark Rutland disable_counters(); 7213df33effSMark Rutland 72286470930SIngo Molnar t1 = rdclock(); 72386470930SIngo Molnar 72454ac0b1bSJiri Olsa if (stat_config.walltime_run_table) 72554ac0b1bSJiri Olsa stat_config.walltime_run[run_idx] = t1 - t0; 726e55c14afSJiri Olsa 7279e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 72842202dd5SIngo Molnar 7293df33effSMark Rutland /* 7303df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 7313df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 7323df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 7333df33effSMark Rutland * group leaders. 7343df33effSMark Rutland */ 735f0fbb114SAndi Kleen read_counters(&(struct timespec) { .tv_nsec = t1-t0 }); 73608ef3af1SJiri Olsa 73708ef3af1SJiri Olsa /* 73808ef3af1SJiri Olsa * We need to keep evsel_list alive, because it's processed 73908ef3af1SJiri Olsa * later the evsel_list will be closed after. 74008ef3af1SJiri Olsa */ 74108ef3af1SJiri Olsa if (!STAT_RECORD) 742750b4edeSJiri Olsa evlist__close(evsel_list); 743c52b12edSArnaldo Carvalho de Melo 74442202dd5SIngo Molnar return WEXITSTATUS(status); 74542202dd5SIngo Molnar } 74642202dd5SIngo Molnar 747e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 7481f16c575SPeter Zijlstra { 7491f16c575SPeter Zijlstra int ret; 7501f16c575SPeter Zijlstra 7511f16c575SPeter Zijlstra if (pre_cmd) { 7521f16c575SPeter Zijlstra ret = system(pre_cmd); 7531f16c575SPeter Zijlstra if (ret) 7541f16c575SPeter Zijlstra return ret; 7551f16c575SPeter Zijlstra } 7561f16c575SPeter Zijlstra 7571f16c575SPeter Zijlstra if (sync_run) 7581f16c575SPeter Zijlstra sync(); 7591f16c575SPeter Zijlstra 760e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 7611f16c575SPeter Zijlstra if (ret) 7621f16c575SPeter Zijlstra return ret; 7631f16c575SPeter Zijlstra 7641f16c575SPeter Zijlstra if (post_cmd) { 7651f16c575SPeter Zijlstra ret = system(post_cmd); 7661f16c575SPeter Zijlstra if (ret) 7671f16c575SPeter Zijlstra return ret; 7681f16c575SPeter Zijlstra } 7691f16c575SPeter Zijlstra 7701f16c575SPeter Zijlstra return ret; 7711f16c575SPeter Zijlstra } 7721f16c575SPeter Zijlstra 773a5a9eac1SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 774a5a9eac1SJiri Olsa { 7750174820aSJiri Olsa /* Do not print anything if we record to the pipe. */ 7760174820aSJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 7770174820aSJiri Olsa return; 7780174820aSJiri Olsa 779c512e0eaSJiri Olsa perf_evlist__print_counters(evsel_list, &stat_config, &target, 780b64df7f3SJiri Olsa ts, argc, argv); 781a5a9eac1SJiri Olsa } 782a5a9eac1SJiri Olsa 783f7b7c26eSPeter Zijlstra static volatile int signr = -1; 784f7b7c26eSPeter Zijlstra 78586470930SIngo Molnar static void skip_signal(int signo) 78686470930SIngo Molnar { 787ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 78860666c63SLiming Wang done = 1; 78960666c63SLiming Wang 790f7b7c26eSPeter Zijlstra signr = signo; 791d07f0b12SStephane Eranian /* 792d07f0b12SStephane Eranian * render child_pid harmless 793d07f0b12SStephane Eranian * won't send SIGTERM to a random 794d07f0b12SStephane Eranian * process in case of race condition 795d07f0b12SStephane Eranian * and fast PID recycling 796d07f0b12SStephane Eranian */ 797d07f0b12SStephane Eranian child_pid = -1; 798f7b7c26eSPeter Zijlstra } 799f7b7c26eSPeter Zijlstra 800f7b7c26eSPeter Zijlstra static void sig_atexit(void) 801f7b7c26eSPeter Zijlstra { 802d07f0b12SStephane Eranian sigset_t set, oset; 803d07f0b12SStephane Eranian 804d07f0b12SStephane Eranian /* 805d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 806d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 807d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 808d07f0b12SStephane Eranian * process 809d07f0b12SStephane Eranian */ 810d07f0b12SStephane Eranian sigemptyset(&set); 811d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 812d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 813d07f0b12SStephane Eranian 814933da83aSChris Wilson if (child_pid != -1) 815933da83aSChris Wilson kill(child_pid, SIGTERM); 816933da83aSChris Wilson 817d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 818d07f0b12SStephane Eranian 819f7b7c26eSPeter Zijlstra if (signr == -1) 820f7b7c26eSPeter Zijlstra return; 821f7b7c26eSPeter Zijlstra 822f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 823f7b7c26eSPeter Zijlstra kill(getpid(), signr); 82486470930SIngo Molnar } 82586470930SIngo Molnar 8261d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 8271d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 828d7470b6aSStephane Eranian { 829d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 830d7470b6aSStephane Eranian return 0; 831d7470b6aSStephane Eranian } 832d7470b6aSStephane Eranian 83344b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 83444b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 83544b1e60aSAndi Kleen { 83644b1e60aSAndi Kleen force_metric_only = true; 8370ce5aa02SJiri Olsa stat_config.metric_only = !unset; 83844b1e60aSAndi Kleen return 0; 83944b1e60aSAndi Kleen } 84044b1e60aSAndi Kleen 841b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 842b18f3e36SAndi Kleen const char *str, 843b18f3e36SAndi Kleen int unset __maybe_unused) 844b18f3e36SAndi Kleen { 845d0192fdbSJiri Olsa return metricgroup__parse_groups(opt, str, &stat_config.metric_events); 846b18f3e36SAndi Kleen } 847b18f3e36SAndi Kleen 84851433eadSMichael Petlan static struct option stat_options[] = { 849e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 850e0547311SJiri Olsa "hardware transaction statistics"), 851e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 852e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 853e0547311SJiri Olsa parse_events_option), 854e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 855e0547311SJiri Olsa "event filter", parse_filter), 8565698f26bSJiri Olsa OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit, 857e0547311SJiri Olsa "child tasks do not inherit counters"), 858e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 859e0547311SJiri Olsa "stat events on existing process id"), 860e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 861e0547311SJiri Olsa "stat events on existing thread id"), 862e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 863e0547311SJiri Olsa "system-wide collection from all CPUs"), 864e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 865e0547311SJiri Olsa "put the counters into a counter group"), 86675998bb2SAndi Kleen OPT_BOOLEAN(0, "scale", &stat_config.scale, 86775998bb2SAndi Kleen "Use --no-scale to disable counter scaling for multiplexing"), 868e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 869e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 870d97ae04bSJiri Olsa OPT_INTEGER('r', "repeat", &stat_config.run_count, 871e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 87254ac0b1bSJiri Olsa OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table, 873e55c14afSJiri Olsa "display details about each run (only with -r option)"), 874aea0dca1SJiri Olsa OPT_BOOLEAN('n', "null", &stat_config.null_run, 875e0547311SJiri Olsa "null run - dont start any counters"), 876e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 877e0547311SJiri Olsa "detailed run - start a lot of events"), 878e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 879e0547311SJiri Olsa "call sync() before starting a run"), 880e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 881e0547311SJiri Olsa "print large numbers with thousands\' separators", 882e0547311SJiri Olsa stat__set_big_num), 883e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 884e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 885e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 886e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 887fdee335bSJiri Olsa OPT_BOOLEAN(0, "no-merge", &stat_config.no_merge, "Do not merge identical named events"), 888fa7070a3SJiri Olsa OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator", 889e0547311SJiri Olsa "print counts with custom separator"), 890e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 891e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 892e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 893e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 894e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 895e0547311SJiri Olsa "log output to fd, instead of stderr"), 896e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 897e0547311SJiri Olsa "command to run prior to the measured command"), 898e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 899e0547311SJiri Olsa "command to run after to the measured command"), 900e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 9019dc9a95fSAlexey Budankov "print counts at regular interval in ms " 9029dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 903db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 904db06a269Syuzhoujian "print counts for fixed number of times"), 905132c6ba3SJiri Olsa OPT_BOOLEAN(0, "interval-clear", &stat_config.interval_clear, 9069660e08eSJiri Olsa "clear screen in between new interval"), 907f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 908f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 909e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 910e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 911db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &stat_config.aggr_mode, 912db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 913e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 914e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 915e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 916e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 91786895b48SJiri Olsa OPT_SET_UINT(0, "per-node", &stat_config.aggr_mode, 91886895b48SJiri Olsa "aggregate counts per numa node", AGGR_NODE), 919728c0ee0SJiri Olsa OPT_UINTEGER('D', "delay", &stat_config.initial_delay, 920e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 9210ce5aa02SJiri Olsa OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL, 92244b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 92344b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 92444b1e60aSAndi Kleen "measure topdown level 1 statistics"), 925daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 926daefd0bcSKan Liang "measure SMI cost"), 927b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 928b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 929b18f3e36SAndi Kleen parse_metric_groups), 930dd071024SJin Yao OPT_BOOLEAN_FLAG(0, "all-kernel", &stat_config.all_kernel, 931dd071024SJin Yao "Configure all used events to run in kernel space.", 932dd071024SJin Yao PARSE_OPT_EXCLUSIVE), 933dd071024SJin Yao OPT_BOOLEAN_FLAG(0, "all-user", &stat_config.all_user, 934dd071024SJin Yao "Configure all used events to run in user space.", 935dd071024SJin Yao PARSE_OPT_EXCLUSIVE), 9361af62ce6SJin Yao OPT_BOOLEAN(0, "percore-show-thread", &stat_config.percore_show_thread, 9371af62ce6SJin Yao "Use with 'percore' event qualifier to show the event " 9381af62ce6SJin Yao "counts of one hardware thread by sum up total hardware " 9391af62ce6SJin Yao "threads of same physical core"), 940e0547311SJiri Olsa OPT_END() 941e0547311SJiri Olsa }; 942e0547311SJiri Olsa 9436f6b6594SJiri Olsa static int perf_stat__get_socket(struct perf_stat_config *config __maybe_unused, 944f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 9451fe7a300SJiri Olsa { 9461fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 9471fe7a300SJiri Olsa } 9481fe7a300SJiri Olsa 949db5742b6SKan Liang static int perf_stat__get_die(struct perf_stat_config *config __maybe_unused, 950f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 951db5742b6SKan Liang { 952db5742b6SKan Liang return cpu_map__get_die(map, cpu, NULL); 953db5742b6SKan Liang } 954db5742b6SKan Liang 9556f6b6594SJiri Olsa static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused, 956f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 9571fe7a300SJiri Olsa { 9581fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 9591fe7a300SJiri Olsa } 9601fe7a300SJiri Olsa 96186895b48SJiri Olsa static int perf_stat__get_node(struct perf_stat_config *config __maybe_unused, 96286895b48SJiri Olsa struct perf_cpu_map *map, int cpu) 96386895b48SJiri Olsa { 96486895b48SJiri Olsa return cpu_map__get_node(map, cpu, NULL); 96586895b48SJiri Olsa } 96686895b48SJiri Olsa 9676f6b6594SJiri Olsa static int perf_stat__get_aggr(struct perf_stat_config *config, 968f854839bSJiri Olsa aggr_get_id_t get_id, struct perf_cpu_map *map, int idx) 9691e5a2931SJiri Olsa { 9701e5a2931SJiri Olsa int cpu; 9711e5a2931SJiri Olsa 9721e5a2931SJiri Olsa if (idx >= map->nr) 9731e5a2931SJiri Olsa return -1; 9741e5a2931SJiri Olsa 9751e5a2931SJiri Olsa cpu = map->map[idx]; 9761e5a2931SJiri Olsa 9776f6b6594SJiri Olsa if (config->cpus_aggr_map->map[cpu] == -1) 9786f6b6594SJiri Olsa config->cpus_aggr_map->map[cpu] = get_id(config, map, idx); 9791e5a2931SJiri Olsa 9806f6b6594SJiri Olsa return config->cpus_aggr_map->map[cpu]; 9811e5a2931SJiri Olsa } 9821e5a2931SJiri Olsa 9836f6b6594SJiri Olsa static int perf_stat__get_socket_cached(struct perf_stat_config *config, 984f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 9851e5a2931SJiri Olsa { 9866f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx); 9871e5a2931SJiri Olsa } 9881e5a2931SJiri Olsa 989db5742b6SKan Liang static int perf_stat__get_die_cached(struct perf_stat_config *config, 990f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 991db5742b6SKan Liang { 992db5742b6SKan Liang return perf_stat__get_aggr(config, perf_stat__get_die, map, idx); 993db5742b6SKan Liang } 994db5742b6SKan Liang 9956f6b6594SJiri Olsa static int perf_stat__get_core_cached(struct perf_stat_config *config, 996f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 9971e5a2931SJiri Olsa { 9986f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_core, map, idx); 9991e5a2931SJiri Olsa } 10001e5a2931SJiri Olsa 100186895b48SJiri Olsa static int perf_stat__get_node_cached(struct perf_stat_config *config, 100286895b48SJiri Olsa struct perf_cpu_map *map, int idx) 100386895b48SJiri Olsa { 100486895b48SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_node, map, idx); 100586895b48SJiri Olsa } 100686895b48SJiri Olsa 10074fc4d8dfSJin Yao static bool term_percore_set(void) 10084fc4d8dfSJin Yao { 100932dcd021SJiri Olsa struct evsel *counter; 10104fc4d8dfSJin Yao 10114fc4d8dfSJin Yao evlist__for_each_entry(evsel_list, counter) { 10124fc4d8dfSJin Yao if (counter->percore) 10134fc4d8dfSJin Yao return true; 10144fc4d8dfSJin Yao } 10154fc4d8dfSJin Yao 10164fc4d8dfSJin Yao return false; 10174fc4d8dfSJin Yao } 10184fc4d8dfSJin Yao 101986ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 102086ee6e18SStephane Eranian { 10211e5a2931SJiri Olsa int nr; 10221e5a2931SJiri Olsa 1023421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 102486ee6e18SStephane Eranian case AGGR_SOCKET: 1025f72f901dSJiri Olsa if (cpu_map__build_socket_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 102686ee6e18SStephane Eranian perror("cannot build socket map"); 102786ee6e18SStephane Eranian return -1; 102886ee6e18SStephane Eranian } 10296f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_cached; 103086ee6e18SStephane Eranian break; 1031db5742b6SKan Liang case AGGR_DIE: 1032f72f901dSJiri Olsa if (cpu_map__build_die_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 1033db5742b6SKan Liang perror("cannot build die map"); 1034db5742b6SKan Liang return -1; 1035db5742b6SKan Liang } 1036db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_cached; 1037db5742b6SKan Liang break; 103812c08a9fSStephane Eranian case AGGR_CORE: 1039f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 104012c08a9fSStephane Eranian perror("cannot build core map"); 104112c08a9fSStephane Eranian return -1; 104212c08a9fSStephane Eranian } 10436f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_cached; 104412c08a9fSStephane Eranian break; 104586895b48SJiri Olsa case AGGR_NODE: 104686895b48SJiri Olsa if (cpu_map__build_node_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 104786895b48SJiri Olsa perror("cannot build core map"); 104886895b48SJiri Olsa return -1; 104986895b48SJiri Olsa } 105086895b48SJiri Olsa stat_config.aggr_get_id = perf_stat__get_node_cached; 105186895b48SJiri Olsa break; 105286ee6e18SStephane Eranian case AGGR_NONE: 10534fc4d8dfSJin Yao if (term_percore_set()) { 1054f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, 10554fc4d8dfSJin Yao &stat_config.aggr_map)) { 10564fc4d8dfSJin Yao perror("cannot build core map"); 10574fc4d8dfSJin Yao return -1; 10584fc4d8dfSJin Yao } 10594fc4d8dfSJin Yao stat_config.aggr_get_id = perf_stat__get_core_cached; 10604fc4d8dfSJin Yao } 10614fc4d8dfSJin Yao break; 106286ee6e18SStephane Eranian case AGGR_GLOBAL: 106332b8af82SJiri Olsa case AGGR_THREAD: 1064208df99eSJiri Olsa case AGGR_UNSET: 106586ee6e18SStephane Eranian default: 106686ee6e18SStephane Eranian break; 106786ee6e18SStephane Eranian } 10681e5a2931SJiri Olsa 10691e5a2931SJiri Olsa /* 10701e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 10711e5a2931SJiri Olsa * taking the highest cpu number to be the size of 10721e5a2931SJiri Olsa * the aggregation translate cpumap. 10731e5a2931SJiri Olsa */ 10744256d434SJiri Olsa nr = perf_cpu_map__max(evsel_list->core.cpus); 1075315c0a1fSJiri Olsa stat_config.cpus_aggr_map = perf_cpu_map__empty_new(nr + 1); 10766f6b6594SJiri Olsa return stat_config.cpus_aggr_map ? 0 : -ENOMEM; 107786ee6e18SStephane Eranian } 107886ee6e18SStephane Eranian 1079544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1080544c2ae7SMasami Hiramatsu { 108138f01d8dSJiri Olsa perf_cpu_map__put(stat_config.aggr_map); 108238f01d8dSJiri Olsa perf_cpu_map__put(stat_config.cpus_aggr_map); 10836f6b6594SJiri Olsa stat_config.aggr_map = NULL; 10846f6b6594SJiri Olsa stat_config.cpus_aggr_map = NULL; 1085544c2ae7SMasami Hiramatsu } 1086544c2ae7SMasami Hiramatsu 1087f854839bSJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *map, int idx) 108868d702f7SJiri Olsa { 108968d702f7SJiri Olsa int cpu; 109068d702f7SJiri Olsa 109168d702f7SJiri Olsa if (idx > map->nr) 109268d702f7SJiri Olsa return -1; 109368d702f7SJiri Olsa 109468d702f7SJiri Olsa cpu = map->map[idx]; 109568d702f7SJiri Olsa 1096da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 109768d702f7SJiri Olsa return -1; 109868d702f7SJiri Olsa 109968d702f7SJiri Olsa return cpu; 110068d702f7SJiri Olsa } 110168d702f7SJiri Olsa 1102f854839bSJiri Olsa static int perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data) 110368d702f7SJiri Olsa { 110468d702f7SJiri Olsa struct perf_env *env = data; 110568d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 110668d702f7SJiri Olsa 110768d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 110868d702f7SJiri Olsa } 110968d702f7SJiri Olsa 1110f854839bSJiri Olsa static int perf_env__get_die(struct perf_cpu_map *map, int idx, void *data) 1111db5742b6SKan Liang { 1112db5742b6SKan Liang struct perf_env *env = data; 1113db5742b6SKan Liang int die_id = -1, cpu = perf_env__get_cpu(env, map, idx); 1114db5742b6SKan Liang 1115db5742b6SKan Liang if (cpu != -1) { 1116db5742b6SKan Liang /* 1117db5742b6SKan Liang * Encode socket in bit range 15:8 1118db5742b6SKan Liang * die_id is relative to socket, 1119db5742b6SKan Liang * we need a global id. So we combine 1120db5742b6SKan Liang * socket + die id 1121db5742b6SKan Liang */ 1122db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 1123db5742b6SKan Liang return -1; 1124db5742b6SKan Liang 1125db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 1126db5742b6SKan Liang return -1; 1127db5742b6SKan Liang 1128db5742b6SKan Liang die_id = (env->cpu[cpu].socket_id << 8) | (env->cpu[cpu].die_id & 0xff); 1129db5742b6SKan Liang } 1130db5742b6SKan Liang 1131db5742b6SKan Liang return die_id; 1132db5742b6SKan Liang } 1133db5742b6SKan Liang 1134f854839bSJiri Olsa static int perf_env__get_core(struct perf_cpu_map *map, int idx, void *data) 113568d702f7SJiri Olsa { 113668d702f7SJiri Olsa struct perf_env *env = data; 113768d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 113868d702f7SJiri Olsa 113968d702f7SJiri Olsa if (cpu != -1) { 114068d702f7SJiri Olsa /* 1141db5742b6SKan Liang * Encode socket in bit range 31:24 1142db5742b6SKan Liang * encode die id in bit range 23:16 1143db5742b6SKan Liang * core_id is relative to socket and die, 114468d702f7SJiri Olsa * we need a global id. So we combine 1145db5742b6SKan Liang * socket + die id + core id 114668d702f7SJiri Olsa */ 1147db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 1148db5742b6SKan Liang return -1; 1149db5742b6SKan Liang 1150db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 1151db5742b6SKan Liang return -1; 1152db5742b6SKan Liang 1153db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].core_id >> 16, "The core id number is too big.\n")) 1154db5742b6SKan Liang return -1; 1155db5742b6SKan Liang 1156db5742b6SKan Liang core = (env->cpu[cpu].socket_id << 24) | 1157db5742b6SKan Liang (env->cpu[cpu].die_id << 16) | 1158db5742b6SKan Liang (env->cpu[cpu].core_id & 0xffff); 115968d702f7SJiri Olsa } 116068d702f7SJiri Olsa 116168d702f7SJiri Olsa return core; 116268d702f7SJiri Olsa } 116368d702f7SJiri Olsa 116486895b48SJiri Olsa static int perf_env__get_node(struct perf_cpu_map *map, int idx, void *data) 116586895b48SJiri Olsa { 116686895b48SJiri Olsa int cpu = perf_env__get_cpu(data, map, idx); 116786895b48SJiri Olsa 116886895b48SJiri Olsa return perf_env__numa_node(data, cpu); 116986895b48SJiri Olsa } 117086895b48SJiri Olsa 1171f854839bSJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus, 1172f854839bSJiri Olsa struct perf_cpu_map **sockp) 117368d702f7SJiri Olsa { 117468d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 117568d702f7SJiri Olsa } 117668d702f7SJiri Olsa 1177f854839bSJiri Olsa static int perf_env__build_die_map(struct perf_env *env, struct perf_cpu_map *cpus, 1178f854839bSJiri Olsa struct perf_cpu_map **diep) 1179db5742b6SKan Liang { 1180db5742b6SKan Liang return cpu_map__build_map(cpus, diep, perf_env__get_die, env); 1181db5742b6SKan Liang } 1182db5742b6SKan Liang 1183f854839bSJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct perf_cpu_map *cpus, 1184f854839bSJiri Olsa struct perf_cpu_map **corep) 118568d702f7SJiri Olsa { 118668d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 118768d702f7SJiri Olsa } 118868d702f7SJiri Olsa 118986895b48SJiri Olsa static int perf_env__build_node_map(struct perf_env *env, struct perf_cpu_map *cpus, 119086895b48SJiri Olsa struct perf_cpu_map **nodep) 119186895b48SJiri Olsa { 119286895b48SJiri Olsa return cpu_map__build_map(cpus, nodep, perf_env__get_node, env); 119386895b48SJiri Olsa } 119486895b48SJiri Olsa 11956f6b6594SJiri Olsa static int perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused, 1196f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 119768d702f7SJiri Olsa { 119868d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 119968d702f7SJiri Olsa } 1200db5742b6SKan Liang static int perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused, 1201f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 1202db5742b6SKan Liang { 1203db5742b6SKan Liang return perf_env__get_die(map, idx, &perf_stat.session->header.env); 1204db5742b6SKan Liang } 120568d702f7SJiri Olsa 12066f6b6594SJiri Olsa static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused, 1207f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 120868d702f7SJiri Olsa { 120968d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 121068d702f7SJiri Olsa } 121168d702f7SJiri Olsa 121286895b48SJiri Olsa static int perf_stat__get_node_file(struct perf_stat_config *config __maybe_unused, 121386895b48SJiri Olsa struct perf_cpu_map *map, int idx) 121486895b48SJiri Olsa { 121586895b48SJiri Olsa return perf_env__get_node(map, idx, &perf_stat.session->header.env); 121686895b48SJiri Olsa } 121786895b48SJiri Olsa 121868d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 121968d702f7SJiri Olsa { 122068d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 122168d702f7SJiri Olsa 122268d702f7SJiri Olsa switch (stat_config.aggr_mode) { 122368d702f7SJiri Olsa case AGGR_SOCKET: 1224f72f901dSJiri Olsa if (perf_env__build_socket_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 122568d702f7SJiri Olsa perror("cannot build socket map"); 122668d702f7SJiri Olsa return -1; 122768d702f7SJiri Olsa } 12286f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_file; 122968d702f7SJiri Olsa break; 1230db5742b6SKan Liang case AGGR_DIE: 1231f72f901dSJiri Olsa if (perf_env__build_die_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 1232db5742b6SKan Liang perror("cannot build die map"); 1233db5742b6SKan Liang return -1; 1234db5742b6SKan Liang } 1235db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_file; 1236db5742b6SKan Liang break; 123768d702f7SJiri Olsa case AGGR_CORE: 1238f72f901dSJiri Olsa if (perf_env__build_core_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 123968d702f7SJiri Olsa perror("cannot build core map"); 124068d702f7SJiri Olsa return -1; 124168d702f7SJiri Olsa } 12426f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_file; 124368d702f7SJiri Olsa break; 124486895b48SJiri Olsa case AGGR_NODE: 124586895b48SJiri Olsa if (perf_env__build_node_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 124686895b48SJiri Olsa perror("cannot build core map"); 124786895b48SJiri Olsa return -1; 124886895b48SJiri Olsa } 124986895b48SJiri Olsa stat_config.aggr_get_id = perf_stat__get_node_file; 125086895b48SJiri Olsa break; 125168d702f7SJiri Olsa case AGGR_NONE: 125268d702f7SJiri Olsa case AGGR_GLOBAL: 125368d702f7SJiri Olsa case AGGR_THREAD: 125468d702f7SJiri Olsa case AGGR_UNSET: 125568d702f7SJiri Olsa default: 125668d702f7SJiri Olsa break; 125768d702f7SJiri Olsa } 125868d702f7SJiri Olsa 125968d702f7SJiri Olsa return 0; 126068d702f7SJiri Olsa } 126168d702f7SJiri Olsa 126244b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 126344b1e60aSAndi Kleen { 126444b1e60aSAndi Kleen int off = 0; 126544b1e60aSAndi Kleen int i; 126644b1e60aSAndi Kleen int len = 0; 126744b1e60aSAndi Kleen char *s; 126844b1e60aSAndi Kleen 126944b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 127044b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 127144b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 127244b1e60aSAndi Kleen attr[i - off] = attr[i]; 127344b1e60aSAndi Kleen } else 127444b1e60aSAndi Kleen off++; 127544b1e60aSAndi Kleen } 127644b1e60aSAndi Kleen attr[i - off] = NULL; 127744b1e60aSAndi Kleen 127844b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 127944b1e60aSAndi Kleen if (!*str) 128044b1e60aSAndi Kleen return -1; 128144b1e60aSAndi Kleen s = *str; 128244b1e60aSAndi Kleen if (i - off == 0) { 128344b1e60aSAndi Kleen *s = 0; 128444b1e60aSAndi Kleen return 0; 128544b1e60aSAndi Kleen } 128644b1e60aSAndi Kleen if (use_group) 128744b1e60aSAndi Kleen *s++ = '{'; 128844b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 128944b1e60aSAndi Kleen strcpy(s, attr[i]); 129044b1e60aSAndi Kleen s += strlen(s); 129144b1e60aSAndi Kleen *s++ = ','; 129244b1e60aSAndi Kleen } 129344b1e60aSAndi Kleen if (use_group) { 129444b1e60aSAndi Kleen s[-1] = '}'; 129544b1e60aSAndi Kleen *s = 0; 129644b1e60aSAndi Kleen } else 129744b1e60aSAndi Kleen s[-1] = 0; 129844b1e60aSAndi Kleen return 0; 129944b1e60aSAndi Kleen } 130044b1e60aSAndi Kleen 130144b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 130244b1e60aSAndi Kleen { 130344b1e60aSAndi Kleen *warn = false; 130444b1e60aSAndi Kleen return false; 130544b1e60aSAndi Kleen } 130644b1e60aSAndi Kleen 130744b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 130844b1e60aSAndi Kleen { 130944b1e60aSAndi Kleen } 131044b1e60aSAndi Kleen 13112cba3ffbSIngo Molnar /* 13122cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 13132cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 13142cba3ffbSIngo Molnar */ 13152cba3ffbSIngo Molnar static int add_default_attributes(void) 13162cba3ffbSIngo Molnar { 131744b1e60aSAndi Kleen int err; 13189dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1319b070a547SArnaldo Carvalho de Melo 1320b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1321b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1322b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1323b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1324b070a547SArnaldo Carvalho de Melo 1325b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 13269dec4473SAndi Kleen }; 13279dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1328b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 13299dec4473SAndi Kleen }; 13309dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1331b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 13329dec4473SAndi Kleen }; 13339dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1334b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1335b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1336b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1337b070a547SArnaldo Carvalho de Melo 1338b070a547SArnaldo Carvalho de Melo }; 1339b070a547SArnaldo Carvalho de Melo 1340b070a547SArnaldo Carvalho de Melo /* 1341b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1342b070a547SArnaldo Carvalho de Melo */ 1343b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1344b070a547SArnaldo Carvalho de Melo 1345b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1346b070a547SArnaldo Carvalho de Melo .config = 1347b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1348b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1349b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1350b070a547SArnaldo Carvalho de Melo 1351b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1352b070a547SArnaldo Carvalho de Melo .config = 1353b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1354b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1355b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1356b070a547SArnaldo Carvalho de Melo 1357b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1358b070a547SArnaldo Carvalho de Melo .config = 1359b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1360b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1361b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1362b070a547SArnaldo Carvalho de Melo 1363b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1364b070a547SArnaldo Carvalho de Melo .config = 1365b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1366b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1367b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1368b070a547SArnaldo Carvalho de Melo }; 1369b070a547SArnaldo Carvalho de Melo 1370b070a547SArnaldo Carvalho de Melo /* 1371b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1372b070a547SArnaldo Carvalho de Melo */ 1373b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1374b070a547SArnaldo Carvalho de Melo 1375b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1376b070a547SArnaldo Carvalho de Melo .config = 1377b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1378b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1379b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1380b070a547SArnaldo Carvalho de Melo 1381b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1382b070a547SArnaldo Carvalho de Melo .config = 1383b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1384b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1385b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1386b070a547SArnaldo Carvalho de Melo 1387b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1388b070a547SArnaldo Carvalho de Melo .config = 1389b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1390b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1391b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1392b070a547SArnaldo Carvalho de Melo 1393b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1394b070a547SArnaldo Carvalho de Melo .config = 1395b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1396b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1397b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1398b070a547SArnaldo Carvalho de Melo 1399b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1400b070a547SArnaldo Carvalho de Melo .config = 1401b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1402b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1403b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1404b070a547SArnaldo Carvalho de Melo 1405b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1406b070a547SArnaldo Carvalho de Melo .config = 1407b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1408b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1409b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1410b070a547SArnaldo Carvalho de Melo 1411b070a547SArnaldo Carvalho de Melo }; 1412b070a547SArnaldo Carvalho de Melo 1413b070a547SArnaldo Carvalho de Melo /* 1414b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1415b070a547SArnaldo Carvalho de Melo */ 1416b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1417b070a547SArnaldo Carvalho de Melo 1418b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1419b070a547SArnaldo Carvalho de Melo .config = 1420b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1421b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1422b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1423b070a547SArnaldo Carvalho de Melo 1424b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1425b070a547SArnaldo Carvalho de Melo .config = 1426b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1427b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1428b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1429b070a547SArnaldo Carvalho de Melo }; 1430a5cfa621SJiri Olsa struct parse_events_error errinfo; 1431b070a547SArnaldo Carvalho de Melo 14322cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 1433aea0dca1SJiri Olsa if (stat_config.null_run) 14342cba3ffbSIngo Molnar return 0; 14352cba3ffbSIngo Molnar 1436a910e466SIan Rogers bzero(&errinfo, sizeof(errinfo)); 14374cabc3d1SAndi Kleen if (transaction_run) { 1438742d92ffSThomas Richter /* Handle -T as -M transaction. Once platform specific metrics 1439742d92ffSThomas Richter * support has been added to the json files, all archictures 1440742d92ffSThomas Richter * will use this approach. To determine transaction support 1441742d92ffSThomas Richter * on an architecture test for such a metric name. 1442742d92ffSThomas Richter */ 1443742d92ffSThomas Richter if (metricgroup__has_metric("transaction")) { 1444742d92ffSThomas Richter struct option opt = { .value = &evsel_list }; 1445742d92ffSThomas Richter 1446742d92ffSThomas Richter return metricgroup__parse_groups(&opt, "transaction", 1447d0192fdbSJiri Olsa &stat_config.metric_events); 1448742d92ffSThomas Richter } 1449742d92ffSThomas Richter 14504cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 14514cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1452fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 1453fca32340SThomas Richter &errinfo); 14544cabc3d1SAndi Kleen else 1455fca32340SThomas Richter err = parse_events(evsel_list, 1456fca32340SThomas Richter transaction_limited_attrs, 1457fca32340SThomas Richter &errinfo); 1458a454742cSJiri Olsa if (err) { 14594cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 1460a5cfa621SJiri Olsa parse_events_print_error(&errinfo, transaction_attrs); 14614cabc3d1SAndi Kleen return -1; 14624cabc3d1SAndi Kleen } 14634cabc3d1SAndi Kleen return 0; 14644cabc3d1SAndi Kleen } 14654cabc3d1SAndi Kleen 1466daefd0bcSKan Liang if (smi_cost) { 1467daefd0bcSKan Liang int smi; 1468daefd0bcSKan Liang 1469daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 1470daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 1471daefd0bcSKan Liang return -1; 1472daefd0bcSKan Liang } 1473daefd0bcSKan Liang 1474daefd0bcSKan Liang if (!smi) { 1475daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 1476daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 1477daefd0bcSKan Liang return -1; 1478daefd0bcSKan Liang } 1479daefd0bcSKan Liang smi_reset = true; 1480daefd0bcSKan Liang } 1481daefd0bcSKan Liang 1482daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 1483daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 1484daefd0bcSKan Liang if (!force_metric_only) 14850ce5aa02SJiri Olsa stat_config.metric_only = true; 1486a5cfa621SJiri Olsa err = parse_events(evsel_list, smi_cost_attrs, &errinfo); 1487daefd0bcSKan Liang } else { 1488daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 1489daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 1490a5cfa621SJiri Olsa parse_events_print_error(&errinfo, smi_cost_attrs); 1491daefd0bcSKan Liang return -1; 1492daefd0bcSKan Liang } 1493daefd0bcSKan Liang if (err) { 1494a910e466SIan Rogers parse_events_print_error(&errinfo, smi_cost_attrs); 1495daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 1496daefd0bcSKan Liang return -1; 1497daefd0bcSKan Liang } 1498daefd0bcSKan Liang return 0; 1499daefd0bcSKan Liang } 1500daefd0bcSKan Liang 150144b1e60aSAndi Kleen if (topdown_run) { 150244b1e60aSAndi Kleen char *str = NULL; 150344b1e60aSAndi Kleen bool warn = false; 150444b1e60aSAndi Kleen 150544b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 150644b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 150744b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 150844b1e60aSAndi Kleen return -1; 150944b1e60aSAndi Kleen } 151044b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 151144b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 151244b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 151344b1e60aSAndi Kleen return -1; 151444b1e60aSAndi Kleen } 151544b1e60aSAndi Kleen 151644b1e60aSAndi Kleen if (!force_metric_only) 15170ce5aa02SJiri Olsa stat_config.metric_only = true; 151844b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 151944b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 152044b1e60aSAndi Kleen pr_err("Out of memory\n"); 152144b1e60aSAndi Kleen return -1; 152244b1e60aSAndi Kleen } 152344b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 152444b1e60aSAndi Kleen if (warn) 152544b1e60aSAndi Kleen arch_topdown_group_warn(); 1526a5cfa621SJiri Olsa err = parse_events(evsel_list, str, &errinfo); 152744b1e60aSAndi Kleen if (err) { 152844b1e60aSAndi Kleen fprintf(stderr, 152944b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 153044b1e60aSAndi Kleen str, err); 1531a5cfa621SJiri Olsa parse_events_print_error(&errinfo, str); 1532c74b0503SLeo Yan free(str); 153344b1e60aSAndi Kleen return -1; 153444b1e60aSAndi Kleen } 153544b1e60aSAndi Kleen } else { 153644b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 153744b1e60aSAndi Kleen return -1; 153844b1e60aSAndi Kleen } 153944b1e60aSAndi Kleen free(str); 154044b1e60aSAndi Kleen } 154144b1e60aSAndi Kleen 15426484d2f9SJiri Olsa if (!evsel_list->core.nr_entries) { 1543a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 1544a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 1545a1f3d567SNamhyung Kim 15469dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 15479dec4473SAndi Kleen return -1; 15489dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 15499dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 15509dec4473SAndi Kleen frontend_attrs) < 0) 15519dec4473SAndi Kleen return -1; 15529dec4473SAndi Kleen } 15539dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 15549dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 15559dec4473SAndi Kleen backend_attrs) < 0) 15569dec4473SAndi Kleen return -1; 15579dec4473SAndi Kleen } 15589dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 15592cba3ffbSIngo Molnar return -1; 15602cba3ffbSIngo Molnar } 15612cba3ffbSIngo Molnar 15622cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 15632cba3ffbSIngo Molnar 15642cba3ffbSIngo Molnar if (detailed_run < 1) 15652cba3ffbSIngo Molnar return 0; 15662cba3ffbSIngo Molnar 15672cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 156879695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 15692cba3ffbSIngo Molnar return -1; 15702cba3ffbSIngo Molnar 15712cba3ffbSIngo Molnar if (detailed_run < 2) 15722cba3ffbSIngo Molnar return 0; 15732cba3ffbSIngo Molnar 15742cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 157579695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 15762cba3ffbSIngo Molnar return -1; 15772cba3ffbSIngo Molnar 15782cba3ffbSIngo Molnar if (detailed_run < 3) 15792cba3ffbSIngo Molnar return 0; 15802cba3ffbSIngo Molnar 15812cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 158279695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 15832cba3ffbSIngo Molnar } 15842cba3ffbSIngo Molnar 15858a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 15864979d0c7SJiri Olsa "perf stat record [<options>]", 15874979d0c7SJiri Olsa NULL, 15884979d0c7SJiri Olsa }; 15894979d0c7SJiri Olsa 15903ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 15913ba78bd0SJiri Olsa { 15923ba78bd0SJiri Olsa int feat; 15933ba78bd0SJiri Olsa 15943ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 15953ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 15963ba78bd0SJiri Olsa 15978002a63fSJiri Olsa perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT); 15983ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 15993ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 16003ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 16013ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 16023ba78bd0SJiri Olsa } 16033ba78bd0SJiri Olsa 16044979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 16054979d0c7SJiri Olsa { 16064979d0c7SJiri Olsa struct perf_session *session; 16078ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 16084979d0c7SJiri Olsa 16098a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 16104979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 16114979d0c7SJiri Olsa 16124979d0c7SJiri Olsa if (output_name) 16132d4f2799SJiri Olsa data->path = output_name; 16144979d0c7SJiri Olsa 1615d97ae04bSJiri Olsa if (stat_config.run_count != 1 || forever) { 1616e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1617e9d6db8eSJiri Olsa return -1; 1618e9d6db8eSJiri Olsa } 1619e9d6db8eSJiri Olsa 16208ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 16216ef81c55SMamatha Inamdar if (IS_ERR(session)) { 16226ef81c55SMamatha Inamdar pr_err("Perf session creation failed\n"); 16236ef81c55SMamatha Inamdar return PTR_ERR(session); 16244979d0c7SJiri Olsa } 16254979d0c7SJiri Olsa 16263ba78bd0SJiri Olsa init_features(session); 16273ba78bd0SJiri Olsa 16284979d0c7SJiri Olsa session->evlist = evsel_list; 16294979d0c7SJiri Olsa perf_stat.session = session; 16304979d0c7SJiri Olsa perf_stat.record = true; 16314979d0c7SJiri Olsa return argc; 16324979d0c7SJiri Olsa } 16334979d0c7SJiri Olsa 163489f1688aSJiri Olsa static int process_stat_round_event(struct perf_session *session, 163589f1688aSJiri Olsa union perf_event *event) 1636a56f9390SJiri Olsa { 163772932371SJiri Olsa struct perf_record_stat_round *stat_round = &event->stat_round; 163832dcd021SJiri Olsa struct evsel *counter; 1639a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 1640a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 1641a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 1642a56f9390SJiri Olsa 1643e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1644a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 1645a56f9390SJiri Olsa 1646e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 1647e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 1648a56f9390SJiri Olsa 1649e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 1650bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 1651bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 1652a56f9390SJiri Olsa ts = &tsh; 1653a56f9390SJiri Olsa } 1654a56f9390SJiri Olsa 1655a56f9390SJiri Olsa print_counters(ts, argc, argv); 1656a56f9390SJiri Olsa return 0; 1657a56f9390SJiri Olsa } 1658a56f9390SJiri Olsa 165962ba18baSJiri Olsa static 166089f1688aSJiri Olsa int process_stat_config_event(struct perf_session *session, 166189f1688aSJiri Olsa union perf_event *event) 166262ba18baSJiri Olsa { 166389f1688aSJiri Olsa struct perf_tool *tool = session->tool; 166468d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 166568d702f7SJiri Olsa 166662ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 166768d702f7SJiri Olsa 1668315c0a1fSJiri Olsa if (perf_cpu_map__empty(st->cpus)) { 166989af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 167089af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 167189af4e05SJiri Olsa return 0; 167289af4e05SJiri Olsa } 167389af4e05SJiri Olsa 167489af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 167589af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 167689af4e05SJiri Olsa 16778ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 167868d702f7SJiri Olsa perf_stat_init_aggr_mode(); 167968d702f7SJiri Olsa else 168068d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 168168d702f7SJiri Olsa 168262ba18baSJiri Olsa return 0; 168362ba18baSJiri Olsa } 168462ba18baSJiri Olsa 16851975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 16861975d36eSJiri Olsa { 16871975d36eSJiri Olsa if (!st->cpus || !st->threads) 16881975d36eSJiri Olsa return 0; 16891975d36eSJiri Olsa 16901975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 16911975d36eSJiri Olsa return -EINVAL; 16921975d36eSJiri Olsa 1693453fa030SJiri Olsa perf_evlist__set_maps(&evsel_list->core, st->cpus, st->threads); 16941975d36eSJiri Olsa 16951975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 16961975d36eSJiri Olsa return -ENOMEM; 16971975d36eSJiri Olsa 16981975d36eSJiri Olsa st->maps_allocated = true; 16991975d36eSJiri Olsa return 0; 17001975d36eSJiri Olsa } 17011975d36eSJiri Olsa 17021975d36eSJiri Olsa static 170389f1688aSJiri Olsa int process_thread_map_event(struct perf_session *session, 170489f1688aSJiri Olsa union perf_event *event) 17051975d36eSJiri Olsa { 170689f1688aSJiri Olsa struct perf_tool *tool = session->tool; 17071975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 17081975d36eSJiri Olsa 17091975d36eSJiri Olsa if (st->threads) { 17101975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 17111975d36eSJiri Olsa return 0; 17121975d36eSJiri Olsa } 17131975d36eSJiri Olsa 17141975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 17151975d36eSJiri Olsa if (!st->threads) 17161975d36eSJiri Olsa return -ENOMEM; 17171975d36eSJiri Olsa 17181975d36eSJiri Olsa return set_maps(st); 17191975d36eSJiri Olsa } 17201975d36eSJiri Olsa 17211975d36eSJiri Olsa static 172289f1688aSJiri Olsa int process_cpu_map_event(struct perf_session *session, 172389f1688aSJiri Olsa union perf_event *event) 17241975d36eSJiri Olsa { 172589f1688aSJiri Olsa struct perf_tool *tool = session->tool; 17261975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 1727f854839bSJiri Olsa struct perf_cpu_map *cpus; 17281975d36eSJiri Olsa 17291975d36eSJiri Olsa if (st->cpus) { 17301975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 17311975d36eSJiri Olsa return 0; 17321975d36eSJiri Olsa } 17331975d36eSJiri Olsa 17341975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 17351975d36eSJiri Olsa if (!cpus) 17361975d36eSJiri Olsa return -ENOMEM; 17371975d36eSJiri Olsa 17381975d36eSJiri Olsa st->cpus = cpus; 17391975d36eSJiri Olsa return set_maps(st); 17401975d36eSJiri Olsa } 17411975d36eSJiri Olsa 174256739444SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 174356739444SJin Yao { 174456739444SJin Yao int i; 174556739444SJin Yao 174656739444SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 174756739444SJin Yao if (!config->stats) 174856739444SJin Yao return -1; 174956739444SJin Yao 175056739444SJin Yao config->stats_num = nthreads; 175156739444SJin Yao 175256739444SJin Yao for (i = 0; i < nthreads; i++) 175356739444SJin Yao runtime_stat__init(&config->stats[i]); 175456739444SJin Yao 175556739444SJin Yao return 0; 175656739444SJin Yao } 175756739444SJin Yao 175856739444SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 175956739444SJin Yao { 176056739444SJin Yao int i; 176156739444SJin Yao 176256739444SJin Yao if (!config->stats) 176356739444SJin Yao return; 176456739444SJin Yao 176556739444SJin Yao for (i = 0; i < config->stats_num; i++) 176656739444SJin Yao runtime_stat__exit(&config->stats[i]); 176756739444SJin Yao 1768d8f9da24SArnaldo Carvalho de Melo zfree(&config->stats); 176956739444SJin Yao } 177056739444SJin Yao 17718a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 1772ba6039b6SJiri Olsa "perf stat report [<options>]", 1773ba6039b6SJiri Olsa NULL, 1774ba6039b6SJiri Olsa }; 1775ba6039b6SJiri Olsa 1776ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 1777ba6039b6SJiri Olsa .tool = { 1778ba6039b6SJiri Olsa .attr = perf_event__process_attr, 1779fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 17801975d36eSJiri Olsa .thread_map = process_thread_map_event, 17811975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 178262ba18baSJiri Olsa .stat_config = process_stat_config_event, 1783a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 1784a56f9390SJiri Olsa .stat_round = process_stat_round_event, 1785ba6039b6SJiri Olsa }, 178689af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 1787ba6039b6SJiri Olsa }; 1788ba6039b6SJiri Olsa 1789ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 1790ba6039b6SJiri Olsa { 1791ba6039b6SJiri Olsa struct perf_session *session; 1792ba6039b6SJiri Olsa const struct option options[] = { 1793ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 179489af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 179589af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1796db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &perf_stat.aggr_mode, 1797db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 179889af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 179989af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 180086895b48SJiri Olsa OPT_SET_UINT(0, "per-node", &perf_stat.aggr_mode, 180186895b48SJiri Olsa "aggregate counts per numa node", AGGR_NODE), 180289af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 180389af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1804ba6039b6SJiri Olsa OPT_END() 1805ba6039b6SJiri Olsa }; 1806ba6039b6SJiri Olsa struct stat st; 1807ba6039b6SJiri Olsa int ret; 1808ba6039b6SJiri Olsa 18098a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 1810ba6039b6SJiri Olsa 1811ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 1812ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1813ba6039b6SJiri Olsa input_name = "-"; 1814ba6039b6SJiri Olsa else 1815ba6039b6SJiri Olsa input_name = "perf.data"; 1816ba6039b6SJiri Olsa } 1817ba6039b6SJiri Olsa 18182d4f2799SJiri Olsa perf_stat.data.path = input_name; 18198ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 1820ba6039b6SJiri Olsa 18218ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 18226ef81c55SMamatha Inamdar if (IS_ERR(session)) 18236ef81c55SMamatha Inamdar return PTR_ERR(session); 1824ba6039b6SJiri Olsa 1825ba6039b6SJiri Olsa perf_stat.session = session; 1826ba6039b6SJiri Olsa stat_config.output = stderr; 1827ba6039b6SJiri Olsa evsel_list = session->evlist; 1828ba6039b6SJiri Olsa 1829ba6039b6SJiri Olsa ret = perf_session__process_events(session); 1830ba6039b6SJiri Olsa if (ret) 1831ba6039b6SJiri Olsa return ret; 1832ba6039b6SJiri Olsa 1833ba6039b6SJiri Olsa perf_session__delete(session); 1834ba6039b6SJiri Olsa return 0; 1835ba6039b6SJiri Olsa } 1836ba6039b6SJiri Olsa 1837e3ba76deSJiri Olsa static void setup_system_wide(int forks) 1838e3ba76deSJiri Olsa { 1839e3ba76deSJiri Olsa /* 1840e3ba76deSJiri Olsa * Make system wide (-a) the default target if 1841e3ba76deSJiri Olsa * no target was specified and one of following 1842e3ba76deSJiri Olsa * conditions is met: 1843e3ba76deSJiri Olsa * 1844e3ba76deSJiri Olsa * - there's no workload specified 1845e3ba76deSJiri Olsa * - there is workload specified but all requested 1846e3ba76deSJiri Olsa * events are system wide events 1847e3ba76deSJiri Olsa */ 1848e3ba76deSJiri Olsa if (!target__none(&target)) 1849e3ba76deSJiri Olsa return; 1850e3ba76deSJiri Olsa 1851e3ba76deSJiri Olsa if (!forks) 1852e3ba76deSJiri Olsa target.system_wide = true; 1853e3ba76deSJiri Olsa else { 185432dcd021SJiri Olsa struct evsel *counter; 1855e3ba76deSJiri Olsa 1856e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 1857648b5af3SJiri Olsa if (!counter->core.system_wide) 1858e3ba76deSJiri Olsa return; 1859e3ba76deSJiri Olsa } 1860e3ba76deSJiri Olsa 18616484d2f9SJiri Olsa if (evsel_list->core.nr_entries) 1862e3ba76deSJiri Olsa target.system_wide = true; 1863e3ba76deSJiri Olsa } 1864e3ba76deSJiri Olsa } 1865e3ba76deSJiri Olsa 1866b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 186786470930SIngo Molnar { 1868b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1869b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1870b070a547SArnaldo Carvalho de Melo NULL 1871b070a547SArnaldo Carvalho de Melo }; 1872cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 18734aa9015fSStephane Eranian const char *mode; 18745821522eSJiri Olsa FILE *output = stderr; 1875f1f8ad52Syuzhoujian unsigned int interval, timeout; 1876ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 187742202dd5SIngo Molnar 18785af52b51SStephane Eranian setlocale(LC_ALL, ""); 18795af52b51SStephane Eranian 18800f98b11cSJiri Olsa evsel_list = evlist__new(); 1881361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1882361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1883361c99a6SArnaldo Carvalho de Melo 18841669e509SWang Nan parse_events__shrink_config_terms(); 188551433eadSMichael Petlan 188651433eadSMichael Petlan /* String-parsing callback-based options would segfault when negated */ 188751433eadSMichael Petlan set_option_flag(stat_options, 'e', "event", PARSE_OPT_NONEG); 188851433eadSMichael Petlan set_option_flag(stat_options, 'M', "metrics", PARSE_OPT_NONEG); 188951433eadSMichael Petlan set_option_flag(stat_options, 'G', "cgroup", PARSE_OPT_NONEG); 189051433eadSMichael Petlan 18914979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 18924979d0c7SJiri Olsa (const char **) stat_usage, 1893a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 189437932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 1895fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 1896d7470b6aSStephane Eranian 1897fa7070a3SJiri Olsa if (stat_config.csv_sep) { 1898fa7070a3SJiri Olsa stat_config.csv_output = true; 1899fa7070a3SJiri Olsa if (!strcmp(stat_config.csv_sep, "\\t")) 1900fa7070a3SJiri Olsa stat_config.csv_sep = "\t"; 19016edb78a2SJiri Olsa } else 1902fa7070a3SJiri Olsa stat_config.csv_sep = DEFAULT_SEPARATOR; 19036edb78a2SJiri Olsa 19044979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 19054979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 19064979d0c7SJiri Olsa if (argc < 0) 19074979d0c7SJiri Olsa return -1; 1908ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 1909ba6039b6SJiri Olsa return __cmd_report(argc, argv); 19104979d0c7SJiri Olsa 1911ec0d3d1fSJiri Olsa interval = stat_config.interval; 1912f1f8ad52Syuzhoujian timeout = stat_config.timeout; 1913ec0d3d1fSJiri Olsa 19144979d0c7SJiri Olsa /* 19154979d0c7SJiri Olsa * For record command the -o is already taken care of. 19164979d0c7SJiri Olsa */ 19174979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 19184aa9015fSStephane Eranian output = NULL; 19194aa9015fSStephane Eranian 192056f3bae7SJim Cromie if (output_name && output_fd) { 192156f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1922e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 1923e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 1924cc03c542SNamhyung Kim goto out; 192556f3bae7SJim Cromie } 1926fc3e4d07SStephane Eranian 19270ce5aa02SJiri Olsa if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) { 192854b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 192954b50916SAndi Kleen goto out; 193054b50916SAndi Kleen } 193154b50916SAndi Kleen 1932d97ae04bSJiri Olsa if (stat_config.metric_only && stat_config.run_count > 1) { 193354b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 193454b50916SAndi Kleen goto out; 193554b50916SAndi Kleen } 193654b50916SAndi Kleen 193754ac0b1bSJiri Olsa if (stat_config.walltime_run_table && stat_config.run_count <= 1) { 1938e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 1939e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1940e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 1941e55c14afSJiri Olsa goto out; 1942e55c14afSJiri Olsa } 1943e55c14afSJiri Olsa 1944fc3e4d07SStephane Eranian if (output_fd < 0) { 1945fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 1946e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 1947cc03c542SNamhyung Kim goto out; 1948fc3e4d07SStephane Eranian } 1949fc3e4d07SStephane Eranian 19504aa9015fSStephane Eranian if (!output) { 19514aa9015fSStephane Eranian struct timespec tm; 19524aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 19534aa9015fSStephane Eranian 19544aa9015fSStephane Eranian output = fopen(output_name, mode); 19554aa9015fSStephane Eranian if (!output) { 19564aa9015fSStephane Eranian perror("failed to create output file"); 1957fceda7feSDavid Ahern return -1; 19584aa9015fSStephane Eranian } 19594aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 19604aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 1961fc3e4d07SStephane Eranian } else if (output_fd > 0) { 196256f3bae7SJim Cromie mode = append_file ? "a" : "w"; 196356f3bae7SJim Cromie output = fdopen(output_fd, mode); 196456f3bae7SJim Cromie if (!output) { 196556f3bae7SJim Cromie perror("Failed opening logfd"); 196656f3bae7SJim Cromie return -errno; 196756f3bae7SJim Cromie } 19684aa9015fSStephane Eranian } 19694aa9015fSStephane Eranian 19705821522eSJiri Olsa stat_config.output = output; 19715821522eSJiri Olsa 1972d7470b6aSStephane Eranian /* 1973d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 1974d7470b6aSStephane Eranian */ 1975fa7070a3SJiri Olsa if (stat_config.csv_output) { 197661a9f324SJim Cromie /* User explicitly passed -B? */ 1977d7470b6aSStephane Eranian if (big_num_opt == 1) { 1978d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 1979e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 1980e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 1981cc03c542SNamhyung Kim goto out; 1982d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 198334ff0866SJiri Olsa stat_config.big_num = false; 1984d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 198534ff0866SJiri Olsa stat_config.big_num = false; 1986d7470b6aSStephane Eranian 1987e3ba76deSJiri Olsa setup_system_wide(argc); 1988ac3063bdSDavid Ahern 19890ce2da14SJiri Olsa /* 19900ce2da14SJiri Olsa * Display user/system times only for single 19910ce2da14SJiri Olsa * run and when there's specified tracee. 19920ce2da14SJiri Olsa */ 1993d97ae04bSJiri Olsa if ((stat_config.run_count == 1) && target__none(&target)) 19948897a891SJiri Olsa stat_config.ru_display = true; 19950ce2da14SJiri Olsa 1996d97ae04bSJiri Olsa if (stat_config.run_count < 0) { 1997cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 1998e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1999cc03c542SNamhyung Kim goto out; 2000d97ae04bSJiri Olsa } else if (stat_config.run_count == 0) { 2001a7e191c3SFrederik Deweerdt forever = true; 2002d97ae04bSJiri Olsa stat_config.run_count = 1; 2003a7e191c3SFrederik Deweerdt } 200486470930SIngo Molnar 200554ac0b1bSJiri Olsa if (stat_config.walltime_run_table) { 200654ac0b1bSJiri Olsa stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0])); 200754ac0b1bSJiri Olsa if (!stat_config.walltime_run) { 2008e55c14afSJiri Olsa pr_err("failed to setup -r option"); 2009e55c14afSJiri Olsa goto out; 2010e55c14afSJiri Olsa } 2011e55c14afSJiri Olsa } 2012e55c14afSJiri Olsa 20131d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 20141d9f8d1bSJin Yao !target__has_task(&target)) { 20151d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 20161d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 20171d9f8d1bSJin Yao "available when monitoring via -p -t -a " 20181d9f8d1bSJin Yao "options or only --per-thread.\n"); 2019e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 2020e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 202132b8af82SJiri Olsa goto out; 202232b8af82SJiri Olsa } 20231d9f8d1bSJin Yao } 202432b8af82SJiri Olsa 202532b8af82SJiri Olsa /* 202632b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 202732b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 202832b8af82SJiri Olsa */ 2029421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 2030421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 2031602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 2032023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 2033023695d9SStephane Eranian "modes only available in system-wide mode\n"); 2034023695d9SStephane Eranian 2035e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 2036e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 2037e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2038cc03c542SNamhyung Kim goto out; 2039d7e7a451SStephane Eranian } 2040d7e7a451SStephane Eranian 20412cba3ffbSIngo Molnar if (add_default_attributes()) 2042c6264defSIngo Molnar goto out; 204386470930SIngo Molnar 2044602ad878SArnaldo Carvalho de Melo target__validate(&target); 20455c98d466SArnaldo Carvalho de Melo 20461d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 20471d9f8d1bSJin Yao target.per_thread = true; 20481d9f8d1bSJin Yao 204977a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 2050602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 20515c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 2052e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 2053e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 2054602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 205560d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 2056e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 2057e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2058cc03c542SNamhyung Kim } 2059cc03c542SNamhyung Kim goto out; 206060d567e2SArnaldo Carvalho de Melo } 206132b8af82SJiri Olsa 206232b8af82SJiri Olsa /* 206332b8af82SJiri Olsa * Initialize thread_map with comm names, 206432b8af82SJiri Olsa * so we could print it out on output. 206532b8af82SJiri Olsa */ 206656739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 206703617c22SJiri Olsa thread_map__read_comms(evsel_list->core.threads); 206856739444SJin Yao if (target.system_wide) { 206956739444SJin Yao if (runtime_stat_new(&stat_config, 2070a2f354e3SJiri Olsa perf_thread_map__nr(evsel_list->core.threads))) { 207156739444SJin Yao goto out; 207256739444SJin Yao } 207356739444SJin Yao } 207456739444SJin Yao } 207532b8af82SJiri Olsa 207686895b48SJiri Olsa if (stat_config.aggr_mode == AGGR_NODE) 207786895b48SJiri Olsa cpu__setup_cpunode_map(); 207886895b48SJiri Olsa 2079db06a269Syuzhoujian if (stat_config.times && interval) 2080db06a269Syuzhoujian interval_count = true; 2081db06a269Syuzhoujian else if (stat_config.times && !interval) { 2082db06a269Syuzhoujian pr_err("interval-count option should be used together with " 2083db06a269Syuzhoujian "interval-print.\n"); 2084db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 2085db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 2086db06a269Syuzhoujian goto out; 2087db06a269Syuzhoujian } 2088c45c6ea2SStephane Eranian 2089f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 2090f1f8ad52Syuzhoujian if (timeout < 10) { 2091f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 2092f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 2093f1f8ad52Syuzhoujian goto out; 2094f1f8ad52Syuzhoujian } else 2095f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 2096f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 2097f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 2098f1f8ad52Syuzhoujian } 2099f1f8ad52Syuzhoujian if (timeout && interval) { 2100f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 2101f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 2102f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 2103f1f8ad52Syuzhoujian goto out; 2104f1f8ad52Syuzhoujian } 2105f1f8ad52Syuzhoujian 2106d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 210703ad9747SArnaldo Carvalho de Melo goto out; 2108d6d901c2SZhang, Yanmin 210986ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 211003ad9747SArnaldo Carvalho de Melo goto out; 211186ee6e18SStephane Eranian 211286470930SIngo Molnar /* 21137d9ad16aSJiri Olsa * Set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 21147d9ad16aSJiri Olsa * while avoiding that older tools show confusing messages. 21157d9ad16aSJiri Olsa * 21167d9ad16aSJiri Olsa * However for pipe sessions we need to keep it zero, 21177d9ad16aSJiri Olsa * because script's perf_evsel__check_attr is triggered 21187d9ad16aSJiri Olsa * by attr->sample_type != 0, and we can't run it on 21197d9ad16aSJiri Olsa * stat sessions. 21207d9ad16aSJiri Olsa */ 21217d9ad16aSJiri Olsa stat_config.identifier = !(STAT_RECORD && perf_stat.data.is_pipe); 21227d9ad16aSJiri Olsa 21237d9ad16aSJiri Olsa /* 212486470930SIngo Molnar * We dont want to block the signals - that would cause 212586470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 212686470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 212786470930SIngo Molnar * task, but being ignored by perf stat itself: 212886470930SIngo Molnar */ 2129f7b7c26eSPeter Zijlstra atexit(sig_atexit); 2130a7e191c3SFrederik Deweerdt if (!forever) 213186470930SIngo Molnar signal(SIGINT, skip_signal); 213213370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 213386470930SIngo Molnar signal(SIGALRM, skip_signal); 213486470930SIngo Molnar signal(SIGABRT, skip_signal); 213586470930SIngo Molnar 213642202dd5SIngo Molnar status = 0; 2137d97ae04bSJiri Olsa for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) { 2138d97ae04bSJiri Olsa if (stat_config.run_count != 1 && verbose > 0) 21394aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 21404aa9015fSStephane Eranian run_idx + 1); 2141f9cef0a9SIngo Molnar 2142b63fd11cSSrikar Dronamraju if (run_idx != 0) 2143b63fd11cSSrikar Dronamraju perf_evlist__reset_prev_raw_counts(evsel_list); 2144b63fd11cSSrikar Dronamraju 2145e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 2146443f2d5bSSrikar Dronamraju if (forever && status != -1 && !interval) { 2147d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2148254ecbc7SJiri Olsa perf_stat__reset_stats(); 2149a7e191c3SFrederik Deweerdt } 215042202dd5SIngo Molnar } 215142202dd5SIngo Molnar 2152a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 2153d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2154d134ffb9SArnaldo Carvalho de Melo 21554979d0c7SJiri Olsa if (STAT_RECORD) { 21564979d0c7SJiri Olsa /* 21574979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 21584979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 21594979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 21604979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 21614979d0c7SJiri Olsa * 21624979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 21638b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 21648b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 21658b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 21668b99b1a4SJiri Olsa * tools remain -acme 21674979d0c7SJiri Olsa */ 21688ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 21694979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 21704979d0c7SJiri Olsa process_synthesized_event, 21714979d0c7SJiri Olsa &perf_stat.session->machines.host); 21724979d0c7SJiri Olsa if (err) { 21734979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 21744979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 21754979d0c7SJiri Olsa } 21764979d0c7SJiri Olsa 21777aad0c32SJiri Olsa if (!interval) { 21787aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 21797aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 21807aad0c32SJiri Olsa } 21817aad0c32SJiri Olsa 21828ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 21834979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 21844979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2185664c98d4SJiri Olsa } 21864979d0c7SJiri Olsa 2187750b4edeSJiri Olsa evlist__close(evsel_list); 21884979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 21894979d0c7SJiri Olsa } 21904979d0c7SJiri Olsa 2191544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2192d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 21930015e2e1SArnaldo Carvalho de Melo out: 2194d8f9da24SArnaldo Carvalho de Melo zfree(&stat_config.walltime_run); 2195e55c14afSJiri Olsa 2196daefd0bcSKan Liang if (smi_cost && smi_reset) 2197daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2198daefd0bcSKan Liang 2199c12995a5SJiri Olsa evlist__delete(evsel_list); 220056739444SJin Yao 220156739444SJin Yao runtime_stat_delete(&stat_config); 220256739444SJin Yao 220342202dd5SIngo Molnar return status; 220486470930SIngo Molnar } 2205