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" 64aeb00b1aSArnaldo Carvalho de Melo #include "util/target.h" 65f3711020SArnaldo Carvalho de Melo #include "util/time-utils.h" 669660e08eSJiri Olsa #include "util/top.h" 67ba6039b6SJiri Olsa #include "asm/bug.h" 6886470930SIngo Molnar 69bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 707f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 7144b1e60aSAndi Kleen #include <api/fs/fs.h> 72a43783aeSArnaldo Carvalho de Melo #include <errno.h> 739607ad3aSArnaldo Carvalho de Melo #include <signal.h> 741f16c575SPeter Zijlstra #include <stdlib.h> 7586470930SIngo Molnar #include <sys/prctl.h> 76fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 775af52b51SStephane Eranian #include <locale.h> 78e3b03b6cSAndi Kleen #include <math.h> 797a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 807a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 814208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 827a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 830ce2da14SJiri Olsa #include <sys/time.h> 840ce2da14SJiri Olsa #include <sys/resource.h> 8586470930SIngo Molnar 863052ba56SArnaldo Carvalho de Melo #include <linux/ctype.h> 87453fa030SJiri Olsa #include <perf/evlist.h> 883d689ed6SArnaldo Carvalho de Melo 89d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 90daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 91d7470b6aSStephane Eranian 92d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9313370a9bSStephane Eranian 944cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 95a454742cSJiri Olsa static const char *transaction_attrs = { 96a454742cSJiri Olsa "task-clock," 974cabc3d1SAndi Kleen "{" 984cabc3d1SAndi Kleen "instructions," 994cabc3d1SAndi Kleen "cycles," 1004cabc3d1SAndi Kleen "cpu/cycles-t/," 1014cabc3d1SAndi Kleen "cpu/tx-start/," 1024cabc3d1SAndi Kleen "cpu/el-start/," 1034cabc3d1SAndi Kleen "cpu/cycles-ct/" 1044cabc3d1SAndi Kleen "}" 1054cabc3d1SAndi Kleen }; 1064cabc3d1SAndi Kleen 1074cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 108a454742cSJiri Olsa static const char * transaction_limited_attrs = { 109a454742cSJiri Olsa "task-clock," 1104cabc3d1SAndi Kleen "{" 1114cabc3d1SAndi Kleen "instructions," 1124cabc3d1SAndi Kleen "cycles," 1134cabc3d1SAndi Kleen "cpu/cycles-t/," 1144cabc3d1SAndi Kleen "cpu/tx-start/" 1154cabc3d1SAndi Kleen "}" 1164cabc3d1SAndi Kleen }; 1174cabc3d1SAndi Kleen 11844b1e60aSAndi Kleen static const char * topdown_attrs[] = { 11944b1e60aSAndi Kleen "topdown-total-slots", 12044b1e60aSAndi Kleen "topdown-slots-retired", 12144b1e60aSAndi Kleen "topdown-recovery-bubbles", 12244b1e60aSAndi Kleen "topdown-fetch-bubbles", 12344b1e60aSAndi Kleen "topdown-slots-issued", 12444b1e60aSAndi Kleen NULL, 12544b1e60aSAndi Kleen }; 12644b1e60aSAndi Kleen 127daefd0bcSKan Liang static const char *smi_cost_attrs = { 128daefd0bcSKan Liang "{" 129daefd0bcSKan Liang "msr/aperf/," 130daefd0bcSKan Liang "msr/smi/," 131daefd0bcSKan Liang "cycles" 132daefd0bcSKan Liang "}" 133daefd0bcSKan Liang }; 134daefd0bcSKan Liang 13563503dbaSJiri Olsa static struct evlist *evsel_list; 136361c99a6SArnaldo Carvalho de Melo 137602ad878SArnaldo Carvalho de Melo static struct target target = { 13877a6f014SNamhyung Kim .uid = UINT_MAX, 13977a6f014SNamhyung Kim }; 14042202dd5SIngo Molnar 141c1a1f5d9SJiri Olsa #define METRIC_ONLY_LEN 20 142c1a1f5d9SJiri Olsa 143d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 1442cba3ffbSIngo Molnar static int detailed_run = 0; 1454cabc3d1SAndi Kleen static bool transaction_run; 14644b1e60aSAndi Kleen static bool topdown_run = false; 147daefd0bcSKan Liang static bool smi_cost = false; 148daefd0bcSKan Liang static bool smi_reset = false; 149d7470b6aSStephane Eranian static int big_num_opt = -1; 15043bece79SLin Ming static bool group = false; 1511f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1521f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1531f16c575SPeter Zijlstra static bool sync_run = false; 154a7e191c3SFrederik Deweerdt static bool forever = false; 15544b1e60aSAndi Kleen static bool force_metric_only = false; 15613370a9bSStephane Eranian static struct timespec ref_time; 157e0547311SJiri Olsa static bool append_file; 158db06a269Syuzhoujian static bool interval_count; 159e0547311SJiri Olsa static const char *output_name; 160e0547311SJiri Olsa static int output_fd; 1615af52b51SStephane Eranian 1624979d0c7SJiri Olsa struct perf_stat { 1634979d0c7SJiri Olsa bool record; 1648ceb41d7SJiri Olsa struct perf_data data; 1654979d0c7SJiri Olsa struct perf_session *session; 1664979d0c7SJiri Olsa u64 bytes_written; 167ba6039b6SJiri Olsa struct perf_tool tool; 1681975d36eSJiri Olsa bool maps_allocated; 169f854839bSJiri Olsa struct perf_cpu_map *cpus; 1709749b90eSJiri Olsa struct perf_thread_map *threads; 17189af4e05SJiri Olsa enum aggr_mode aggr_mode; 1724979d0c7SJiri Olsa }; 1734979d0c7SJiri Olsa 1744979d0c7SJiri Olsa static struct perf_stat perf_stat; 1754979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1764979d0c7SJiri Olsa 17760666c63SLiming Wang static volatile int done = 0; 17860666c63SLiming Wang 179421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 180421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 181711a572eSJiri Olsa .scale = true, 182df4f7b4dSJiri Olsa .unit_width = 4, /* strlen("unit") */ 183d97ae04bSJiri Olsa .run_count = 1, 184ee1760e2SJiri Olsa .metric_only_len = METRIC_ONLY_LEN, 18526893a60SJiri Olsa .walltime_nsecs_stats = &walltime_nsecs_stats, 18634ff0866SJiri Olsa .big_num = true, 187421a50f3SJiri Olsa }; 188421a50f3SJiri Olsa 18913370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 19013370a9bSStephane Eranian struct timespec *b) 19113370a9bSStephane Eranian { 19213370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 19313370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 194310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 19513370a9bSStephane Eranian r->tv_sec--; 19613370a9bSStephane Eranian } else { 19713370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 19813370a9bSStephane Eranian } 19913370a9bSStephane Eranian } 20013370a9bSStephane Eranian 201254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 202254ecbc7SJiri Olsa { 20356739444SJin Yao int i; 20456739444SJin Yao 205254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 206f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 20756739444SJin Yao 20856739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 20956739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 2101eda3b21SJiri Olsa } 2111eda3b21SJiri Olsa 2128b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2134979d0c7SJiri Olsa union perf_event *event, 2144979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2154979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2164979d0c7SJiri Olsa { 2178ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 2188b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2198b99b1a4SJiri Olsa return -1; 2208b99b1a4SJiri Olsa } 2218b99b1a4SJiri Olsa 2228b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2238b99b1a4SJiri Olsa return 0; 2244979d0c7SJiri Olsa } 2254979d0c7SJiri Olsa 2261975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 2277aad0c32SJiri Olsa { 2281975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 2297aad0c32SJiri Olsa process_synthesized_event, 2307aad0c32SJiri Olsa NULL); 2317aad0c32SJiri Olsa } 2327aad0c32SJiri Olsa 2337aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2347aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2357aad0c32SJiri Olsa 2365a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 2375a6ea81bSJiri Olsa 2385a6ea81bSJiri Olsa static int 23932dcd021SJiri Olsa perf_evsel__write_stat_event(struct evsel *counter, u32 cpu, u32 thread, 2405a6ea81bSJiri Olsa struct perf_counts_values *count) 2415a6ea81bSJiri Olsa { 2425a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2435a6ea81bSJiri Olsa 2445a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2455a6ea81bSJiri Olsa process_synthesized_event, NULL); 2465a6ea81bSJiri Olsa } 2475a6ea81bSJiri Olsa 24832dcd021SJiri Olsa static int read_single_counter(struct evsel *counter, int cpu, 249f0fbb114SAndi Kleen int thread, struct timespec *rs) 250f0fbb114SAndi Kleen { 251f0fbb114SAndi Kleen if (counter->tool_event == PERF_TOOL_DURATION_TIME) { 252f0fbb114SAndi Kleen u64 val = rs->tv_nsec + rs->tv_sec*1000000000ULL; 253f0fbb114SAndi Kleen struct perf_counts_values *count = 254f0fbb114SAndi Kleen perf_counts(counter->counts, cpu, thread); 255f0fbb114SAndi Kleen count->ena = count->run = val; 256f0fbb114SAndi Kleen count->val = val; 257f0fbb114SAndi Kleen return 0; 258f0fbb114SAndi Kleen } 259f0fbb114SAndi Kleen return perf_evsel__read_counter(counter, cpu, thread); 260f0fbb114SAndi Kleen } 261f0fbb114SAndi Kleen 262f5b4a9c3SStephane Eranian /* 263f5b4a9c3SStephane Eranian * Read out the results of a single counter: 264f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 265f5b4a9c3SStephane Eranian */ 26632dcd021SJiri Olsa static int read_counter(struct evsel *counter, struct timespec *rs) 267f5b4a9c3SStephane Eranian { 268a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(evsel_list->core.threads); 26900e727bbSMark Rutland int ncpus, cpu, thread; 27000e727bbSMark Rutland 2711d9f8d1bSJin Yao if (target__has_cpu(&target) && !target__has_per_thread(&target)) 27200e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 27300e727bbSMark Rutland else 27400e727bbSMark Rutland ncpus = 1; 275f5b4a9c3SStephane Eranian 2763b4331d9SSuzuki K. Poulose if (!counter->supported) 2773b4331d9SSuzuki K. Poulose return -ENOENT; 2783b4331d9SSuzuki K. Poulose 2799bf1a529SJiri Olsa if (counter->system_wide) 2809bf1a529SJiri Olsa nthreads = 1; 2819bf1a529SJiri Olsa 2829bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 2839bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 2843b3eb044SJiri Olsa struct perf_counts_values *count; 2853b3eb044SJiri Olsa 2863b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 28782bf311eSJiri Olsa 28882bf311eSJiri Olsa /* 28982bf311eSJiri Olsa * The leader's group read loads data into its group members 29082bf311eSJiri Olsa * (via perf_evsel__read_counter) and sets threir count->loaded. 29182bf311eSJiri Olsa */ 292df1d6856SJiri Olsa if (!perf_counts__is_loaded(counter->counts, cpu, thread) && 293f0fbb114SAndi Kleen read_single_counter(counter, cpu, thread, rs)) { 294db49a717SStephane Eranian counter->counts->scaled = -1; 295db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 296db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 297c52b12edSArnaldo Carvalho de Melo return -1; 298db49a717SStephane Eranian } 2995a6ea81bSJiri Olsa 300df1d6856SJiri Olsa perf_counts__set_loaded(counter->counts, cpu, thread, false); 30182bf311eSJiri Olsa 3025a6ea81bSJiri Olsa if (STAT_RECORD) { 3035a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3045a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3055a6ea81bSJiri Olsa return -1; 3065a6ea81bSJiri Olsa } 3075a6ea81bSJiri Olsa } 3080b1abbf4SAndi Kleen 3090b1abbf4SAndi Kleen if (verbose > 1) { 3100b1abbf4SAndi Kleen fprintf(stat_config.output, 3110b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3120b1abbf4SAndi Kleen perf_evsel__name(counter), 3130b1abbf4SAndi Kleen cpu, 3140b1abbf4SAndi Kleen count->val, count->ena, count->run); 3150b1abbf4SAndi Kleen } 316f5b4a9c3SStephane Eranian } 3179bf1a529SJiri Olsa } 318c52b12edSArnaldo Carvalho de Melo 319c52b12edSArnaldo Carvalho de Melo return 0; 32086470930SIngo Molnar } 32186470930SIngo Molnar 322f0fbb114SAndi Kleen static void read_counters(struct timespec *rs) 323106a94a0SJiri Olsa { 32432dcd021SJiri Olsa struct evsel *counter; 325db49a717SStephane Eranian int ret; 326106a94a0SJiri Olsa 327e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 328f0fbb114SAndi Kleen ret = read_counter(counter, rs); 329db49a717SStephane Eranian if (ret) 330245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3313b3eb044SJiri Olsa 332db49a717SStephane Eranian if (ret == 0 && perf_stat_process_counter(&stat_config, counter)) 3333b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 334106a94a0SJiri Olsa } 335106a94a0SJiri Olsa } 336106a94a0SJiri Olsa 337ba411a95SJiri Olsa static void process_interval(void) 33813370a9bSStephane Eranian { 33913370a9bSStephane Eranian struct timespec ts, rs; 34013370a9bSStephane Eranian 34113370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 34213370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 34313370a9bSStephane Eranian 344f0fbb114SAndi Kleen read_counters(&rs); 345f0fbb114SAndi Kleen 3467aad0c32SJiri Olsa if (STAT_RECORD) { 347bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 3487aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 3497aad0c32SJiri Olsa } 3507aad0c32SJiri Olsa 351b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 352b90f1333SAndi Kleen update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); 353d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 35413370a9bSStephane Eranian } 35513370a9bSStephane Eranian 35667ccdecdSJiri Olsa static void enable_counters(void) 35741191688SAndi Kleen { 358728c0ee0SJiri Olsa if (stat_config.initial_delay) 359728c0ee0SJiri Olsa usleep(stat_config.initial_delay * USEC_PER_MSEC); 36067ccdecdSJiri Olsa 36167ccdecdSJiri Olsa /* 36267ccdecdSJiri Olsa * We need to enable counters only if: 36367ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 36467ccdecdSJiri Olsa * - we have initial delay configured 36567ccdecdSJiri Olsa */ 366728c0ee0SJiri Olsa if (!target__none(&target) || stat_config.initial_delay) 3671c87f165SJiri Olsa evlist__enable(evsel_list); 36841191688SAndi Kleen } 36941191688SAndi Kleen 3703df33effSMark Rutland static void disable_counters(void) 3713df33effSMark Rutland { 3723df33effSMark Rutland /* 3733df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 3743df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 3753df33effSMark Rutland * from counting before reading their constituent counters. 3763df33effSMark Rutland */ 3773df33effSMark Rutland if (!target__none(&target)) 378e74676deSJiri Olsa evlist__disable(evsel_list); 3793df33effSMark Rutland } 3803df33effSMark Rutland 381f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 3826af206fdSArnaldo Carvalho de Melo 3836af206fdSArnaldo Carvalho de Melo /* 3846af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 3856af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 3866af206fdSArnaldo Carvalho de Melo * want_signal to true. 3876af206fdSArnaldo Carvalho de Melo */ 388f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 389f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 3906af206fdSArnaldo Carvalho de Melo { 391f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 3926af206fdSArnaldo Carvalho de Melo } 3936af206fdSArnaldo Carvalho de Melo 39432dcd021SJiri Olsa static bool perf_evsel__should_store_id(struct evsel *counter) 39582bf311eSJiri Olsa { 3961fc632ceSJiri Olsa return STAT_RECORD || counter->core.attr.read_format & PERF_FORMAT_ID; 39782bf311eSJiri Olsa } 39882bf311eSJiri Olsa 399cbb5df7eSJiri Olsa static bool is_target_alive(struct target *_target, 4009749b90eSJiri Olsa struct perf_thread_map *threads) 401cbb5df7eSJiri Olsa { 402cbb5df7eSJiri Olsa struct stat st; 403cbb5df7eSJiri Olsa int i; 404cbb5df7eSJiri Olsa 405cbb5df7eSJiri Olsa if (!target__has_task(_target)) 406cbb5df7eSJiri Olsa return true; 407cbb5df7eSJiri Olsa 408cbb5df7eSJiri Olsa for (i = 0; i < threads->nr; i++) { 409cbb5df7eSJiri Olsa char path[PATH_MAX]; 410cbb5df7eSJiri Olsa 411cbb5df7eSJiri Olsa scnprintf(path, PATH_MAX, "%s/%d", procfs__mountpoint(), 412cbb5df7eSJiri Olsa threads->map[i].pid); 413cbb5df7eSJiri Olsa 414cbb5df7eSJiri Olsa if (!stat(path, &st)) 415cbb5df7eSJiri Olsa return true; 416cbb5df7eSJiri Olsa } 417cbb5df7eSJiri Olsa 418cbb5df7eSJiri Olsa return false; 419cbb5df7eSJiri Olsa } 420cbb5df7eSJiri Olsa 421e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 42286470930SIngo Molnar { 423ec0d3d1fSJiri Olsa int interval = stat_config.interval; 424db06a269Syuzhoujian int times = stat_config.times; 425f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 426d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 42786470930SIngo Molnar unsigned long long t0, t1; 42832dcd021SJiri Olsa struct evsel *counter; 42913370a9bSStephane Eranian struct timespec ts; 430410136f5SStephane Eranian size_t l; 43142202dd5SIngo Molnar int status = 0; 4326be2850eSZhang, Yanmin const bool forks = (argc > 0); 4338ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 43486470930SIngo Molnar 43513370a9bSStephane Eranian if (interval) { 436310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 437310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 438f1f8ad52Syuzhoujian } else if (timeout) { 439f1f8ad52Syuzhoujian ts.tv_sec = timeout / USEC_PER_MSEC; 440f1f8ad52Syuzhoujian ts.tv_nsec = (timeout % USEC_PER_MSEC) * NSEC_PER_MSEC; 44113370a9bSStephane Eranian } else { 44213370a9bSStephane Eranian ts.tv_sec = 1; 44313370a9bSStephane Eranian ts.tv_nsec = 0; 44413370a9bSStephane Eranian } 44513370a9bSStephane Eranian 446acf28922SNamhyung Kim if (forks) { 447664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 448735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 449acf28922SNamhyung Kim perror("failed to prepare workload"); 450fceda7feSDavid Ahern return -1; 451051ae7f7SPaul Mackerras } 452d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 45360666c63SLiming Wang } 454051ae7f7SPaul Mackerras 4556a4bb04cSJiri Olsa if (group) 45663dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 4576a4bb04cSJiri Olsa 458e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 45942ef8a78SArnaldo Carvalho de Melo try_again: 460d09cefd2SJiri Olsa if (create_perf_stat_counter(counter, &stat_config, &target) < 0) { 4615a5dfe4bSAndi Kleen 4625a5dfe4bSAndi Kleen /* Weak group failed. Reset the group. */ 46335c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 4645a5dfe4bSAndi Kleen counter->leader != counter && 4655a5dfe4bSAndi Kleen counter->weak_group) { 466c3537fc2SAndi Kleen counter = perf_evlist__reset_weak_group(evsel_list, counter); 4675a5dfe4bSAndi Kleen goto try_again; 4685a5dfe4bSAndi Kleen } 4695a5dfe4bSAndi Kleen 470979987a5SDavid Ahern /* 471979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 472979987a5SDavid Ahern * (behavior changed with commit b0a873e). 473979987a5SDavid Ahern */ 47438f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 475979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 476979987a5SDavid Ahern errno == ENXIO) { 477bb963e16SNamhyung Kim if (verbose > 0) 478c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 4797289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 4802cee77c4SDavid Ahern counter->supported = false; 481cb5ef600SKan Liang 482cb5ef600SKan Liang if ((counter->leader != counter) || 4835643b1a5SJiri Olsa !(counter->leader->core.nr_members > 1)) 484ede70290SIngo Molnar continue; 48542ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 486bb963e16SNamhyung Kim if (verbose > 0) 48742ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 48842ef8a78SArnaldo Carvalho de Melo goto try_again; 489ab6c79b8SJin Yao } else if (target__has_per_thread(&target) && 49003617c22SJiri Olsa evsel_list->core.threads && 49103617c22SJiri Olsa evsel_list->core.threads->err_thread != -1) { 492ab6c79b8SJin Yao /* 493ab6c79b8SJin Yao * For global --per-thread case, skip current 494ab6c79b8SJin Yao * error thread. 495ab6c79b8SJin Yao */ 49603617c22SJiri Olsa if (!thread_map__remove(evsel_list->core.threads, 49703617c22SJiri Olsa evsel_list->core.threads->err_thread)) { 49803617c22SJiri Olsa evsel_list->core.threads->err_thread = -1; 499ab6c79b8SJin Yao goto try_again; 500ab6c79b8SJin Yao } 501c63ca0c0SDavid Ahern } 502ede70290SIngo Molnar 50356e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 50456e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 50556e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 50656e52e85SArnaldo Carvalho de Melo 507084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 508084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 509fceda7feSDavid Ahern 510084ab9f8SArnaldo Carvalho de Melo return -1; 511084ab9f8SArnaldo Carvalho de Melo } 5122cee77c4SDavid Ahern counter->supported = true; 513410136f5SStephane Eranian 514410136f5SStephane Eranian l = strlen(counter->unit); 515df4f7b4dSJiri Olsa if (l > stat_config.unit_width) 516df4f7b4dSJiri Olsa stat_config.unit_width = l; 5172af4646dSJiri Olsa 51882bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 519650d6220SJiri Olsa perf_evsel__store_ids(counter, evsel_list)) 5202af4646dSJiri Olsa return -1; 52148290609SArnaldo Carvalho de Melo } 52286470930SIngo Molnar 52323d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 52462d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 52523d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 526c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 527cfd748aeSFrederic Weisbecker return -1; 528cfd748aeSFrederic Weisbecker } 529cfd748aeSFrederic Weisbecker 5304979d0c7SJiri Olsa if (STAT_RECORD) { 5318ceb41d7SJiri Olsa int err, fd = perf_data__fd(&perf_stat.data); 5324979d0c7SJiri Olsa 533664c98d4SJiri Olsa if (is_pipe) { 5348ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 535664c98d4SJiri Olsa } else { 5364979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 5374979d0c7SJiri Olsa fd, false); 538664c98d4SJiri Olsa } 539664c98d4SJiri Olsa 5404979d0c7SJiri Olsa if (err < 0) 5414979d0c7SJiri Olsa return err; 5428b99b1a4SJiri Olsa 5431c21e989SJiri Olsa err = perf_stat_synthesize_config(&stat_config, NULL, evsel_list, 544c2c247f2SJiri Olsa process_synthesized_event, is_pipe); 5458b99b1a4SJiri Olsa if (err < 0) 5468b99b1a4SJiri Olsa return err; 5474979d0c7SJiri Olsa } 5484979d0c7SJiri Olsa 54986470930SIngo Molnar /* 55086470930SIngo Molnar * Enable counters and exec the command: 55186470930SIngo Molnar */ 55286470930SIngo Molnar t0 = rdclock(); 55313370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 55486470930SIngo Molnar 55560666c63SLiming Wang if (forks) { 556acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 55767ccdecdSJiri Olsa enable_counters(); 558acf28922SNamhyung Kim 559f1f8ad52Syuzhoujian if (interval || timeout) { 56013370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 56113370a9bSStephane Eranian nanosleep(&ts, NULL); 562f1f8ad52Syuzhoujian if (timeout) 563f1f8ad52Syuzhoujian break; 564ba411a95SJiri Olsa process_interval(); 565db06a269Syuzhoujian if (interval_count && !(--times)) 566db06a269Syuzhoujian break; 56713370a9bSStephane Eranian } 56813370a9bSStephane Eranian } 5698a99255aSJin Yao if (child_pid != -1) 5708897a891SJiri Olsa wait4(child_pid, &status, 0, &stat_config.ru_data); 5716af206fdSArnaldo Carvalho de Melo 572f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 573c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 574f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 5756af206fdSArnaldo Carvalho de Melo return -1; 576f33cbe72SArnaldo Carvalho de Melo } 5776af206fdSArnaldo Carvalho de Melo 57833e49ea7SAndi Kleen if (WIFSIGNALED(status)) 57933e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 58060666c63SLiming Wang } else { 58167ccdecdSJiri Olsa enable_counters(); 58213370a9bSStephane Eranian while (!done) { 58313370a9bSStephane Eranian nanosleep(&ts, NULL); 58403617c22SJiri Olsa if (!is_target_alive(&target, evsel_list->core.threads)) 585cbb5df7eSJiri Olsa break; 586f1f8ad52Syuzhoujian if (timeout) 587f1f8ad52Syuzhoujian break; 588db06a269Syuzhoujian if (interval) { 589ba411a95SJiri Olsa process_interval(); 590db06a269Syuzhoujian if (interval_count && !(--times)) 591db06a269Syuzhoujian break; 592db06a269Syuzhoujian } 59313370a9bSStephane Eranian } 59460666c63SLiming Wang } 59586470930SIngo Molnar 5963df33effSMark Rutland disable_counters(); 5973df33effSMark Rutland 59886470930SIngo Molnar t1 = rdclock(); 59986470930SIngo Molnar 60054ac0b1bSJiri Olsa if (stat_config.walltime_run_table) 60154ac0b1bSJiri Olsa stat_config.walltime_run[run_idx] = t1 - t0; 602e55c14afSJiri Olsa 6039e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 60442202dd5SIngo Molnar 6053df33effSMark Rutland /* 6063df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 6073df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 6083df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 6093df33effSMark Rutland * group leaders. 6103df33effSMark Rutland */ 611f0fbb114SAndi Kleen read_counters(&(struct timespec) { .tv_nsec = t1-t0 }); 61208ef3af1SJiri Olsa 61308ef3af1SJiri Olsa /* 61408ef3af1SJiri Olsa * We need to keep evsel_list alive, because it's processed 61508ef3af1SJiri Olsa * later the evsel_list will be closed after. 61608ef3af1SJiri Olsa */ 61708ef3af1SJiri Olsa if (!STAT_RECORD) 618750b4edeSJiri Olsa evlist__close(evsel_list); 619c52b12edSArnaldo Carvalho de Melo 62042202dd5SIngo Molnar return WEXITSTATUS(status); 62142202dd5SIngo Molnar } 62242202dd5SIngo Molnar 623e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 6241f16c575SPeter Zijlstra { 6251f16c575SPeter Zijlstra int ret; 6261f16c575SPeter Zijlstra 6271f16c575SPeter Zijlstra if (pre_cmd) { 6281f16c575SPeter Zijlstra ret = system(pre_cmd); 6291f16c575SPeter Zijlstra if (ret) 6301f16c575SPeter Zijlstra return ret; 6311f16c575SPeter Zijlstra } 6321f16c575SPeter Zijlstra 6331f16c575SPeter Zijlstra if (sync_run) 6341f16c575SPeter Zijlstra sync(); 6351f16c575SPeter Zijlstra 636e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 6371f16c575SPeter Zijlstra if (ret) 6381f16c575SPeter Zijlstra return ret; 6391f16c575SPeter Zijlstra 6401f16c575SPeter Zijlstra if (post_cmd) { 6411f16c575SPeter Zijlstra ret = system(post_cmd); 6421f16c575SPeter Zijlstra if (ret) 6431f16c575SPeter Zijlstra return ret; 6441f16c575SPeter Zijlstra } 6451f16c575SPeter Zijlstra 6461f16c575SPeter Zijlstra return ret; 6471f16c575SPeter Zijlstra } 6481f16c575SPeter Zijlstra 649a5a9eac1SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 650a5a9eac1SJiri Olsa { 6510174820aSJiri Olsa /* Do not print anything if we record to the pipe. */ 6520174820aSJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 6530174820aSJiri Olsa return; 6540174820aSJiri Olsa 655c512e0eaSJiri Olsa perf_evlist__print_counters(evsel_list, &stat_config, &target, 656b64df7f3SJiri Olsa ts, argc, argv); 657a5a9eac1SJiri Olsa } 658a5a9eac1SJiri Olsa 659f7b7c26eSPeter Zijlstra static volatile int signr = -1; 660f7b7c26eSPeter Zijlstra 66186470930SIngo Molnar static void skip_signal(int signo) 66286470930SIngo Molnar { 663ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 66460666c63SLiming Wang done = 1; 66560666c63SLiming Wang 666f7b7c26eSPeter Zijlstra signr = signo; 667d07f0b12SStephane Eranian /* 668d07f0b12SStephane Eranian * render child_pid harmless 669d07f0b12SStephane Eranian * won't send SIGTERM to a random 670d07f0b12SStephane Eranian * process in case of race condition 671d07f0b12SStephane Eranian * and fast PID recycling 672d07f0b12SStephane Eranian */ 673d07f0b12SStephane Eranian child_pid = -1; 674f7b7c26eSPeter Zijlstra } 675f7b7c26eSPeter Zijlstra 676f7b7c26eSPeter Zijlstra static void sig_atexit(void) 677f7b7c26eSPeter Zijlstra { 678d07f0b12SStephane Eranian sigset_t set, oset; 679d07f0b12SStephane Eranian 680d07f0b12SStephane Eranian /* 681d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 682d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 683d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 684d07f0b12SStephane Eranian * process 685d07f0b12SStephane Eranian */ 686d07f0b12SStephane Eranian sigemptyset(&set); 687d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 688d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 689d07f0b12SStephane Eranian 690933da83aSChris Wilson if (child_pid != -1) 691933da83aSChris Wilson kill(child_pid, SIGTERM); 692933da83aSChris Wilson 693d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 694d07f0b12SStephane Eranian 695f7b7c26eSPeter Zijlstra if (signr == -1) 696f7b7c26eSPeter Zijlstra return; 697f7b7c26eSPeter Zijlstra 698f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 699f7b7c26eSPeter Zijlstra kill(getpid(), signr); 70086470930SIngo Molnar } 70186470930SIngo Molnar 7021d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 7031d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 704d7470b6aSStephane Eranian { 705d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 706d7470b6aSStephane Eranian return 0; 707d7470b6aSStephane Eranian } 708d7470b6aSStephane Eranian 70944b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 71044b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 71144b1e60aSAndi Kleen { 71244b1e60aSAndi Kleen force_metric_only = true; 7130ce5aa02SJiri Olsa stat_config.metric_only = !unset; 71444b1e60aSAndi Kleen return 0; 71544b1e60aSAndi Kleen } 71644b1e60aSAndi Kleen 717b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 718b18f3e36SAndi Kleen const char *str, 719b18f3e36SAndi Kleen int unset __maybe_unused) 720b18f3e36SAndi Kleen { 721d0192fdbSJiri Olsa return metricgroup__parse_groups(opt, str, &stat_config.metric_events); 722b18f3e36SAndi Kleen } 723b18f3e36SAndi Kleen 72451433eadSMichael Petlan static struct option stat_options[] = { 725e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 726e0547311SJiri Olsa "hardware transaction statistics"), 727e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 728e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 729e0547311SJiri Olsa parse_events_option), 730e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 731e0547311SJiri Olsa "event filter", parse_filter), 7325698f26bSJiri Olsa OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit, 733e0547311SJiri Olsa "child tasks do not inherit counters"), 734e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 735e0547311SJiri Olsa "stat events on existing process id"), 736e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 737e0547311SJiri Olsa "stat events on existing thread id"), 738e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 739e0547311SJiri Olsa "system-wide collection from all CPUs"), 740e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 741e0547311SJiri Olsa "put the counters into a counter group"), 74275998bb2SAndi Kleen OPT_BOOLEAN(0, "scale", &stat_config.scale, 74375998bb2SAndi Kleen "Use --no-scale to disable counter scaling for multiplexing"), 744e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 745e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 746d97ae04bSJiri Olsa OPT_INTEGER('r', "repeat", &stat_config.run_count, 747e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 74854ac0b1bSJiri Olsa OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table, 749e55c14afSJiri Olsa "display details about each run (only with -r option)"), 750aea0dca1SJiri Olsa OPT_BOOLEAN('n', "null", &stat_config.null_run, 751e0547311SJiri Olsa "null run - dont start any counters"), 752e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 753e0547311SJiri Olsa "detailed run - start a lot of events"), 754e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 755e0547311SJiri Olsa "call sync() before starting a run"), 756e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 757e0547311SJiri Olsa "print large numbers with thousands\' separators", 758e0547311SJiri Olsa stat__set_big_num), 759e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 760e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 761e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 762e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 763fdee335bSJiri Olsa OPT_BOOLEAN(0, "no-merge", &stat_config.no_merge, "Do not merge identical named events"), 764fa7070a3SJiri Olsa OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator", 765e0547311SJiri Olsa "print counts with custom separator"), 766e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 767e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 768e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 769e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 770e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 771e0547311SJiri Olsa "log output to fd, instead of stderr"), 772e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 773e0547311SJiri Olsa "command to run prior to the measured command"), 774e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 775e0547311SJiri Olsa "command to run after to the measured command"), 776e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 7779dc9a95fSAlexey Budankov "print counts at regular interval in ms " 7789dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 779db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 780db06a269Syuzhoujian "print counts for fixed number of times"), 781132c6ba3SJiri Olsa OPT_BOOLEAN(0, "interval-clear", &stat_config.interval_clear, 7829660e08eSJiri Olsa "clear screen in between new interval"), 783f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 784f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 785e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 786e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 787db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &stat_config.aggr_mode, 788db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 789e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 790e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 791e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 792e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 793728c0ee0SJiri Olsa OPT_UINTEGER('D', "delay", &stat_config.initial_delay, 794e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 7950ce5aa02SJiri Olsa OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL, 79644b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 79744b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 79844b1e60aSAndi Kleen "measure topdown level 1 statistics"), 799daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 800daefd0bcSKan Liang "measure SMI cost"), 801b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 802b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 803b18f3e36SAndi Kleen parse_metric_groups), 804e0547311SJiri Olsa OPT_END() 805e0547311SJiri Olsa }; 806e0547311SJiri Olsa 8076f6b6594SJiri Olsa static int perf_stat__get_socket(struct perf_stat_config *config __maybe_unused, 808f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 8091fe7a300SJiri Olsa { 8101fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 8111fe7a300SJiri Olsa } 8121fe7a300SJiri Olsa 813db5742b6SKan Liang static int perf_stat__get_die(struct perf_stat_config *config __maybe_unused, 814f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 815db5742b6SKan Liang { 816db5742b6SKan Liang return cpu_map__get_die(map, cpu, NULL); 817db5742b6SKan Liang } 818db5742b6SKan Liang 8196f6b6594SJiri Olsa static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused, 820f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 8211fe7a300SJiri Olsa { 8221fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 8231fe7a300SJiri Olsa } 8241fe7a300SJiri Olsa 8256f6b6594SJiri Olsa static int perf_stat__get_aggr(struct perf_stat_config *config, 826f854839bSJiri Olsa aggr_get_id_t get_id, struct perf_cpu_map *map, int idx) 8271e5a2931SJiri Olsa { 8281e5a2931SJiri Olsa int cpu; 8291e5a2931SJiri Olsa 8301e5a2931SJiri Olsa if (idx >= map->nr) 8311e5a2931SJiri Olsa return -1; 8321e5a2931SJiri Olsa 8331e5a2931SJiri Olsa cpu = map->map[idx]; 8341e5a2931SJiri Olsa 8356f6b6594SJiri Olsa if (config->cpus_aggr_map->map[cpu] == -1) 8366f6b6594SJiri Olsa config->cpus_aggr_map->map[cpu] = get_id(config, map, idx); 8371e5a2931SJiri Olsa 8386f6b6594SJiri Olsa return config->cpus_aggr_map->map[cpu]; 8391e5a2931SJiri Olsa } 8401e5a2931SJiri Olsa 8416f6b6594SJiri Olsa static int perf_stat__get_socket_cached(struct perf_stat_config *config, 842f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 8431e5a2931SJiri Olsa { 8446f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx); 8451e5a2931SJiri Olsa } 8461e5a2931SJiri Olsa 847db5742b6SKan Liang static int perf_stat__get_die_cached(struct perf_stat_config *config, 848f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 849db5742b6SKan Liang { 850db5742b6SKan Liang return perf_stat__get_aggr(config, perf_stat__get_die, map, idx); 851db5742b6SKan Liang } 852db5742b6SKan Liang 8536f6b6594SJiri Olsa static int perf_stat__get_core_cached(struct perf_stat_config *config, 854f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 8551e5a2931SJiri Olsa { 8566f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_core, map, idx); 8571e5a2931SJiri Olsa } 8581e5a2931SJiri Olsa 8594fc4d8dfSJin Yao static bool term_percore_set(void) 8604fc4d8dfSJin Yao { 86132dcd021SJiri Olsa struct evsel *counter; 8624fc4d8dfSJin Yao 8634fc4d8dfSJin Yao evlist__for_each_entry(evsel_list, counter) { 8644fc4d8dfSJin Yao if (counter->percore) 8654fc4d8dfSJin Yao return true; 8664fc4d8dfSJin Yao } 8674fc4d8dfSJin Yao 8684fc4d8dfSJin Yao return false; 8694fc4d8dfSJin Yao } 8704fc4d8dfSJin Yao 87186ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 87286ee6e18SStephane Eranian { 8731e5a2931SJiri Olsa int nr; 8741e5a2931SJiri Olsa 875421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 87686ee6e18SStephane Eranian case AGGR_SOCKET: 877f72f901dSJiri Olsa if (cpu_map__build_socket_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 87886ee6e18SStephane Eranian perror("cannot build socket map"); 87986ee6e18SStephane Eranian return -1; 88086ee6e18SStephane Eranian } 8816f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_cached; 88286ee6e18SStephane Eranian break; 883db5742b6SKan Liang case AGGR_DIE: 884f72f901dSJiri Olsa if (cpu_map__build_die_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 885db5742b6SKan Liang perror("cannot build die map"); 886db5742b6SKan Liang return -1; 887db5742b6SKan Liang } 888db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_cached; 889db5742b6SKan Liang break; 89012c08a9fSStephane Eranian case AGGR_CORE: 891f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 89212c08a9fSStephane Eranian perror("cannot build core map"); 89312c08a9fSStephane Eranian return -1; 89412c08a9fSStephane Eranian } 8956f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_cached; 89612c08a9fSStephane Eranian break; 89786ee6e18SStephane Eranian case AGGR_NONE: 8984fc4d8dfSJin Yao if (term_percore_set()) { 899f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, 9004fc4d8dfSJin Yao &stat_config.aggr_map)) { 9014fc4d8dfSJin Yao perror("cannot build core map"); 9024fc4d8dfSJin Yao return -1; 9034fc4d8dfSJin Yao } 9044fc4d8dfSJin Yao stat_config.aggr_get_id = perf_stat__get_core_cached; 9054fc4d8dfSJin Yao } 9064fc4d8dfSJin Yao break; 90786ee6e18SStephane Eranian case AGGR_GLOBAL: 90832b8af82SJiri Olsa case AGGR_THREAD: 909208df99eSJiri Olsa case AGGR_UNSET: 91086ee6e18SStephane Eranian default: 91186ee6e18SStephane Eranian break; 91286ee6e18SStephane Eranian } 9131e5a2931SJiri Olsa 9141e5a2931SJiri Olsa /* 9151e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 9161e5a2931SJiri Olsa * taking the highest cpu number to be the size of 9171e5a2931SJiri Olsa * the aggregation translate cpumap. 9181e5a2931SJiri Olsa */ 9194256d434SJiri Olsa nr = perf_cpu_map__max(evsel_list->core.cpus); 920315c0a1fSJiri Olsa stat_config.cpus_aggr_map = perf_cpu_map__empty_new(nr + 1); 9216f6b6594SJiri Olsa return stat_config.cpus_aggr_map ? 0 : -ENOMEM; 92286ee6e18SStephane Eranian } 92386ee6e18SStephane Eranian 924544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 925544c2ae7SMasami Hiramatsu { 92638f01d8dSJiri Olsa perf_cpu_map__put(stat_config.aggr_map); 92738f01d8dSJiri Olsa perf_cpu_map__put(stat_config.cpus_aggr_map); 9286f6b6594SJiri Olsa stat_config.aggr_map = NULL; 9296f6b6594SJiri Olsa stat_config.cpus_aggr_map = NULL; 930544c2ae7SMasami Hiramatsu } 931544c2ae7SMasami Hiramatsu 932f854839bSJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *map, int idx) 93368d702f7SJiri Olsa { 93468d702f7SJiri Olsa int cpu; 93568d702f7SJiri Olsa 93668d702f7SJiri Olsa if (idx > map->nr) 93768d702f7SJiri Olsa return -1; 93868d702f7SJiri Olsa 93968d702f7SJiri Olsa cpu = map->map[idx]; 94068d702f7SJiri Olsa 941da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 94268d702f7SJiri Olsa return -1; 94368d702f7SJiri Olsa 94468d702f7SJiri Olsa return cpu; 94568d702f7SJiri Olsa } 94668d702f7SJiri Olsa 947f854839bSJiri Olsa static int perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data) 94868d702f7SJiri Olsa { 94968d702f7SJiri Olsa struct perf_env *env = data; 95068d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 95168d702f7SJiri Olsa 95268d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 95368d702f7SJiri Olsa } 95468d702f7SJiri Olsa 955f854839bSJiri Olsa static int perf_env__get_die(struct perf_cpu_map *map, int idx, void *data) 956db5742b6SKan Liang { 957db5742b6SKan Liang struct perf_env *env = data; 958db5742b6SKan Liang int die_id = -1, cpu = perf_env__get_cpu(env, map, idx); 959db5742b6SKan Liang 960db5742b6SKan Liang if (cpu != -1) { 961db5742b6SKan Liang /* 962db5742b6SKan Liang * Encode socket in bit range 15:8 963db5742b6SKan Liang * die_id is relative to socket, 964db5742b6SKan Liang * we need a global id. So we combine 965db5742b6SKan Liang * socket + die id 966db5742b6SKan Liang */ 967db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 968db5742b6SKan Liang return -1; 969db5742b6SKan Liang 970db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 971db5742b6SKan Liang return -1; 972db5742b6SKan Liang 973db5742b6SKan Liang die_id = (env->cpu[cpu].socket_id << 8) | (env->cpu[cpu].die_id & 0xff); 974db5742b6SKan Liang } 975db5742b6SKan Liang 976db5742b6SKan Liang return die_id; 977db5742b6SKan Liang } 978db5742b6SKan Liang 979f854839bSJiri Olsa static int perf_env__get_core(struct perf_cpu_map *map, int idx, void *data) 98068d702f7SJiri Olsa { 98168d702f7SJiri Olsa struct perf_env *env = data; 98268d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 98368d702f7SJiri Olsa 98468d702f7SJiri Olsa if (cpu != -1) { 98568d702f7SJiri Olsa /* 986db5742b6SKan Liang * Encode socket in bit range 31:24 987db5742b6SKan Liang * encode die id in bit range 23:16 988db5742b6SKan Liang * core_id is relative to socket and die, 98968d702f7SJiri Olsa * we need a global id. So we combine 990db5742b6SKan Liang * socket + die id + core id 99168d702f7SJiri Olsa */ 992db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 993db5742b6SKan Liang return -1; 994db5742b6SKan Liang 995db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 996db5742b6SKan Liang return -1; 997db5742b6SKan Liang 998db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].core_id >> 16, "The core id number is too big.\n")) 999db5742b6SKan Liang return -1; 1000db5742b6SKan Liang 1001db5742b6SKan Liang core = (env->cpu[cpu].socket_id << 24) | 1002db5742b6SKan Liang (env->cpu[cpu].die_id << 16) | 1003db5742b6SKan Liang (env->cpu[cpu].core_id & 0xffff); 100468d702f7SJiri Olsa } 100568d702f7SJiri Olsa 100668d702f7SJiri Olsa return core; 100768d702f7SJiri Olsa } 100868d702f7SJiri Olsa 1009f854839bSJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus, 1010f854839bSJiri Olsa struct perf_cpu_map **sockp) 101168d702f7SJiri Olsa { 101268d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 101368d702f7SJiri Olsa } 101468d702f7SJiri Olsa 1015f854839bSJiri Olsa static int perf_env__build_die_map(struct perf_env *env, struct perf_cpu_map *cpus, 1016f854839bSJiri Olsa struct perf_cpu_map **diep) 1017db5742b6SKan Liang { 1018db5742b6SKan Liang return cpu_map__build_map(cpus, diep, perf_env__get_die, env); 1019db5742b6SKan Liang } 1020db5742b6SKan Liang 1021f854839bSJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct perf_cpu_map *cpus, 1022f854839bSJiri Olsa struct perf_cpu_map **corep) 102368d702f7SJiri Olsa { 102468d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 102568d702f7SJiri Olsa } 102668d702f7SJiri Olsa 10276f6b6594SJiri Olsa static int perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused, 1028f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 102968d702f7SJiri Olsa { 103068d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 103168d702f7SJiri Olsa } 1032db5742b6SKan Liang static int perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused, 1033f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 1034db5742b6SKan Liang { 1035db5742b6SKan Liang return perf_env__get_die(map, idx, &perf_stat.session->header.env); 1036db5742b6SKan Liang } 103768d702f7SJiri Olsa 10386f6b6594SJiri Olsa static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused, 1039f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 104068d702f7SJiri Olsa { 104168d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 104268d702f7SJiri Olsa } 104368d702f7SJiri Olsa 104468d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 104568d702f7SJiri Olsa { 104668d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 104768d702f7SJiri Olsa 104868d702f7SJiri Olsa switch (stat_config.aggr_mode) { 104968d702f7SJiri Olsa case AGGR_SOCKET: 1050f72f901dSJiri Olsa if (perf_env__build_socket_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 105168d702f7SJiri Olsa perror("cannot build socket map"); 105268d702f7SJiri Olsa return -1; 105368d702f7SJiri Olsa } 10546f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_file; 105568d702f7SJiri Olsa break; 1056db5742b6SKan Liang case AGGR_DIE: 1057f72f901dSJiri Olsa if (perf_env__build_die_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 1058db5742b6SKan Liang perror("cannot build die map"); 1059db5742b6SKan Liang return -1; 1060db5742b6SKan Liang } 1061db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_file; 1062db5742b6SKan Liang break; 106368d702f7SJiri Olsa case AGGR_CORE: 1064f72f901dSJiri Olsa if (perf_env__build_core_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 106568d702f7SJiri Olsa perror("cannot build core map"); 106668d702f7SJiri Olsa return -1; 106768d702f7SJiri Olsa } 10686f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_file; 106968d702f7SJiri Olsa break; 107068d702f7SJiri Olsa case AGGR_NONE: 107168d702f7SJiri Olsa case AGGR_GLOBAL: 107268d702f7SJiri Olsa case AGGR_THREAD: 107368d702f7SJiri Olsa case AGGR_UNSET: 107468d702f7SJiri Olsa default: 107568d702f7SJiri Olsa break; 107668d702f7SJiri Olsa } 107768d702f7SJiri Olsa 107868d702f7SJiri Olsa return 0; 107968d702f7SJiri Olsa } 108068d702f7SJiri Olsa 108144b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 108244b1e60aSAndi Kleen { 108344b1e60aSAndi Kleen int off = 0; 108444b1e60aSAndi Kleen int i; 108544b1e60aSAndi Kleen int len = 0; 108644b1e60aSAndi Kleen char *s; 108744b1e60aSAndi Kleen 108844b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 108944b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 109044b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 109144b1e60aSAndi Kleen attr[i - off] = attr[i]; 109244b1e60aSAndi Kleen } else 109344b1e60aSAndi Kleen off++; 109444b1e60aSAndi Kleen } 109544b1e60aSAndi Kleen attr[i - off] = NULL; 109644b1e60aSAndi Kleen 109744b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 109844b1e60aSAndi Kleen if (!*str) 109944b1e60aSAndi Kleen return -1; 110044b1e60aSAndi Kleen s = *str; 110144b1e60aSAndi Kleen if (i - off == 0) { 110244b1e60aSAndi Kleen *s = 0; 110344b1e60aSAndi Kleen return 0; 110444b1e60aSAndi Kleen } 110544b1e60aSAndi Kleen if (use_group) 110644b1e60aSAndi Kleen *s++ = '{'; 110744b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 110844b1e60aSAndi Kleen strcpy(s, attr[i]); 110944b1e60aSAndi Kleen s += strlen(s); 111044b1e60aSAndi Kleen *s++ = ','; 111144b1e60aSAndi Kleen } 111244b1e60aSAndi Kleen if (use_group) { 111344b1e60aSAndi Kleen s[-1] = '}'; 111444b1e60aSAndi Kleen *s = 0; 111544b1e60aSAndi Kleen } else 111644b1e60aSAndi Kleen s[-1] = 0; 111744b1e60aSAndi Kleen return 0; 111844b1e60aSAndi Kleen } 111944b1e60aSAndi Kleen 112044b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 112144b1e60aSAndi Kleen { 112244b1e60aSAndi Kleen *warn = false; 112344b1e60aSAndi Kleen return false; 112444b1e60aSAndi Kleen } 112544b1e60aSAndi Kleen 112644b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 112744b1e60aSAndi Kleen { 112844b1e60aSAndi Kleen } 112944b1e60aSAndi Kleen 11302cba3ffbSIngo Molnar /* 11312cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 11322cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 11332cba3ffbSIngo Molnar */ 11342cba3ffbSIngo Molnar static int add_default_attributes(void) 11352cba3ffbSIngo Molnar { 113644b1e60aSAndi Kleen int err; 11379dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1138b070a547SArnaldo Carvalho de Melo 1139b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1140b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1141b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1142b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1143b070a547SArnaldo Carvalho de Melo 1144b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 11459dec4473SAndi Kleen }; 11469dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1147b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 11489dec4473SAndi Kleen }; 11499dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1150b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 11519dec4473SAndi Kleen }; 11529dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1153b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1154b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1155b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1156b070a547SArnaldo Carvalho de Melo 1157b070a547SArnaldo Carvalho de Melo }; 1158b070a547SArnaldo Carvalho de Melo 1159b070a547SArnaldo Carvalho de Melo /* 1160b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1161b070a547SArnaldo Carvalho de Melo */ 1162b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1163b070a547SArnaldo Carvalho de Melo 1164b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1165b070a547SArnaldo Carvalho de Melo .config = 1166b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1167b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1168b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1169b070a547SArnaldo Carvalho de Melo 1170b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1171b070a547SArnaldo Carvalho de Melo .config = 1172b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1173b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1174b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1175b070a547SArnaldo Carvalho de Melo 1176b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1177b070a547SArnaldo Carvalho de Melo .config = 1178b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1179b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1180b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1181b070a547SArnaldo Carvalho de Melo 1182b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1183b070a547SArnaldo Carvalho de Melo .config = 1184b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1185b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1186b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1187b070a547SArnaldo Carvalho de Melo }; 1188b070a547SArnaldo Carvalho de Melo 1189b070a547SArnaldo Carvalho de Melo /* 1190b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1191b070a547SArnaldo Carvalho de Melo */ 1192b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1193b070a547SArnaldo Carvalho de Melo 1194b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1195b070a547SArnaldo Carvalho de Melo .config = 1196b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1197b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1198b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1199b070a547SArnaldo Carvalho de Melo 1200b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1201b070a547SArnaldo Carvalho de Melo .config = 1202b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1203b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1204b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1205b070a547SArnaldo Carvalho de Melo 1206b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1207b070a547SArnaldo Carvalho de Melo .config = 1208b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1209b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1210b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1211b070a547SArnaldo Carvalho de Melo 1212b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1213b070a547SArnaldo Carvalho de Melo .config = 1214b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1215b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1216b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1217b070a547SArnaldo Carvalho de Melo 1218b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1219b070a547SArnaldo Carvalho de Melo .config = 1220b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1221b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1222b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1223b070a547SArnaldo Carvalho de Melo 1224b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1225b070a547SArnaldo Carvalho de Melo .config = 1226b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1227b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1228b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1229b070a547SArnaldo Carvalho de Melo 1230b070a547SArnaldo Carvalho de Melo }; 1231b070a547SArnaldo Carvalho de Melo 1232b070a547SArnaldo Carvalho de Melo /* 1233b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1234b070a547SArnaldo Carvalho de Melo */ 1235b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1236b070a547SArnaldo Carvalho de Melo 1237b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1238b070a547SArnaldo Carvalho de Melo .config = 1239b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1240b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1241b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1242b070a547SArnaldo Carvalho de Melo 1243b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1244b070a547SArnaldo Carvalho de Melo .config = 1245b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1246b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1247b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1248b070a547SArnaldo Carvalho de Melo }; 1249a5cfa621SJiri Olsa struct parse_events_error errinfo; 1250b070a547SArnaldo Carvalho de Melo 12512cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 1252aea0dca1SJiri Olsa if (stat_config.null_run) 12532cba3ffbSIngo Molnar return 0; 12542cba3ffbSIngo Molnar 12554cabc3d1SAndi Kleen if (transaction_run) { 1256742d92ffSThomas Richter /* Handle -T as -M transaction. Once platform specific metrics 1257742d92ffSThomas Richter * support has been added to the json files, all archictures 1258742d92ffSThomas Richter * will use this approach. To determine transaction support 1259742d92ffSThomas Richter * on an architecture test for such a metric name. 1260742d92ffSThomas Richter */ 1261742d92ffSThomas Richter if (metricgroup__has_metric("transaction")) { 1262742d92ffSThomas Richter struct option opt = { .value = &evsel_list }; 1263742d92ffSThomas Richter 1264742d92ffSThomas Richter return metricgroup__parse_groups(&opt, "transaction", 1265d0192fdbSJiri Olsa &stat_config.metric_events); 1266742d92ffSThomas Richter } 1267742d92ffSThomas Richter 12684cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 12694cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1270fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 1271fca32340SThomas Richter &errinfo); 12724cabc3d1SAndi Kleen else 1273fca32340SThomas Richter err = parse_events(evsel_list, 1274fca32340SThomas Richter transaction_limited_attrs, 1275fca32340SThomas Richter &errinfo); 1276a454742cSJiri Olsa if (err) { 12774cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 1278a5cfa621SJiri Olsa parse_events_print_error(&errinfo, transaction_attrs); 12794cabc3d1SAndi Kleen return -1; 12804cabc3d1SAndi Kleen } 12814cabc3d1SAndi Kleen return 0; 12824cabc3d1SAndi Kleen } 12834cabc3d1SAndi Kleen 1284daefd0bcSKan Liang if (smi_cost) { 1285daefd0bcSKan Liang int smi; 1286daefd0bcSKan Liang 1287daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 1288daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 1289daefd0bcSKan Liang return -1; 1290daefd0bcSKan Liang } 1291daefd0bcSKan Liang 1292daefd0bcSKan Liang if (!smi) { 1293daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 1294daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 1295daefd0bcSKan Liang return -1; 1296daefd0bcSKan Liang } 1297daefd0bcSKan Liang smi_reset = true; 1298daefd0bcSKan Liang } 1299daefd0bcSKan Liang 1300daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 1301daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 1302daefd0bcSKan Liang if (!force_metric_only) 13030ce5aa02SJiri Olsa stat_config.metric_only = true; 1304a5cfa621SJiri Olsa err = parse_events(evsel_list, smi_cost_attrs, &errinfo); 1305daefd0bcSKan Liang } else { 1306daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 1307daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 1308a5cfa621SJiri Olsa parse_events_print_error(&errinfo, smi_cost_attrs); 1309daefd0bcSKan Liang return -1; 1310daefd0bcSKan Liang } 1311daefd0bcSKan Liang if (err) { 1312daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 1313daefd0bcSKan Liang return -1; 1314daefd0bcSKan Liang } 1315daefd0bcSKan Liang return 0; 1316daefd0bcSKan Liang } 1317daefd0bcSKan Liang 131844b1e60aSAndi Kleen if (topdown_run) { 131944b1e60aSAndi Kleen char *str = NULL; 132044b1e60aSAndi Kleen bool warn = false; 132144b1e60aSAndi Kleen 132244b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 132344b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 132444b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 132544b1e60aSAndi Kleen return -1; 132644b1e60aSAndi Kleen } 132744b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 132844b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 132944b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 133044b1e60aSAndi Kleen return -1; 133144b1e60aSAndi Kleen } 133244b1e60aSAndi Kleen 133344b1e60aSAndi Kleen if (!force_metric_only) 13340ce5aa02SJiri Olsa stat_config.metric_only = true; 133544b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 133644b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 133744b1e60aSAndi Kleen pr_err("Out of memory\n"); 133844b1e60aSAndi Kleen return -1; 133944b1e60aSAndi Kleen } 134044b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 134144b1e60aSAndi Kleen if (warn) 134244b1e60aSAndi Kleen arch_topdown_group_warn(); 1343a5cfa621SJiri Olsa err = parse_events(evsel_list, str, &errinfo); 134444b1e60aSAndi Kleen if (err) { 134544b1e60aSAndi Kleen fprintf(stderr, 134644b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 134744b1e60aSAndi Kleen str, err); 1348a5cfa621SJiri Olsa parse_events_print_error(&errinfo, str); 1349c74b0503SLeo Yan free(str); 135044b1e60aSAndi Kleen return -1; 135144b1e60aSAndi Kleen } 135244b1e60aSAndi Kleen } else { 135344b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 135444b1e60aSAndi Kleen return -1; 135544b1e60aSAndi Kleen } 135644b1e60aSAndi Kleen free(str); 135744b1e60aSAndi Kleen } 135844b1e60aSAndi Kleen 13596484d2f9SJiri Olsa if (!evsel_list->core.nr_entries) { 1360a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 1361a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 1362a1f3d567SNamhyung Kim 13639dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 13649dec4473SAndi Kleen return -1; 13659dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 13669dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 13679dec4473SAndi Kleen frontend_attrs) < 0) 13689dec4473SAndi Kleen return -1; 13699dec4473SAndi Kleen } 13709dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 13719dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 13729dec4473SAndi Kleen backend_attrs) < 0) 13739dec4473SAndi Kleen return -1; 13749dec4473SAndi Kleen } 13759dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 13762cba3ffbSIngo Molnar return -1; 13772cba3ffbSIngo Molnar } 13782cba3ffbSIngo Molnar 13792cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 13802cba3ffbSIngo Molnar 13812cba3ffbSIngo Molnar if (detailed_run < 1) 13822cba3ffbSIngo Molnar return 0; 13832cba3ffbSIngo Molnar 13842cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 138579695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 13862cba3ffbSIngo Molnar return -1; 13872cba3ffbSIngo Molnar 13882cba3ffbSIngo Molnar if (detailed_run < 2) 13892cba3ffbSIngo Molnar return 0; 13902cba3ffbSIngo Molnar 13912cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 139279695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 13932cba3ffbSIngo Molnar return -1; 13942cba3ffbSIngo Molnar 13952cba3ffbSIngo Molnar if (detailed_run < 3) 13962cba3ffbSIngo Molnar return 0; 13972cba3ffbSIngo Molnar 13982cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 139979695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 14002cba3ffbSIngo Molnar } 14012cba3ffbSIngo Molnar 14028a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 14034979d0c7SJiri Olsa "perf stat record [<options>]", 14044979d0c7SJiri Olsa NULL, 14054979d0c7SJiri Olsa }; 14064979d0c7SJiri Olsa 14073ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 14083ba78bd0SJiri Olsa { 14093ba78bd0SJiri Olsa int feat; 14103ba78bd0SJiri Olsa 14113ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 14123ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 14133ba78bd0SJiri Olsa 14148002a63fSJiri Olsa perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT); 14153ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 14163ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 14173ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 14183ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 14193ba78bd0SJiri Olsa } 14203ba78bd0SJiri Olsa 14214979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 14224979d0c7SJiri Olsa { 14234979d0c7SJiri Olsa struct perf_session *session; 14248ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 14254979d0c7SJiri Olsa 14268a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 14274979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 14284979d0c7SJiri Olsa 14294979d0c7SJiri Olsa if (output_name) 14302d4f2799SJiri Olsa data->path = output_name; 14314979d0c7SJiri Olsa 1432d97ae04bSJiri Olsa if (stat_config.run_count != 1 || forever) { 1433e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1434e9d6db8eSJiri Olsa return -1; 1435e9d6db8eSJiri Olsa } 1436e9d6db8eSJiri Olsa 14378ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 14384979d0c7SJiri Olsa if (session == NULL) { 14394979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 14404979d0c7SJiri Olsa return -1; 14414979d0c7SJiri Olsa } 14424979d0c7SJiri Olsa 14433ba78bd0SJiri Olsa init_features(session); 14443ba78bd0SJiri Olsa 14454979d0c7SJiri Olsa session->evlist = evsel_list; 14464979d0c7SJiri Olsa perf_stat.session = session; 14474979d0c7SJiri Olsa perf_stat.record = true; 14484979d0c7SJiri Olsa return argc; 14494979d0c7SJiri Olsa } 14504979d0c7SJiri Olsa 145189f1688aSJiri Olsa static int process_stat_round_event(struct perf_session *session, 145289f1688aSJiri Olsa union perf_event *event) 1453a56f9390SJiri Olsa { 145472932371SJiri Olsa struct perf_record_stat_round *stat_round = &event->stat_round; 145532dcd021SJiri Olsa struct evsel *counter; 1456a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 1457a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 1458a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 1459a56f9390SJiri Olsa 1460e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1461a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 1462a56f9390SJiri Olsa 1463e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 1464e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 1465a56f9390SJiri Olsa 1466e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 1467bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 1468bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 1469a56f9390SJiri Olsa ts = &tsh; 1470a56f9390SJiri Olsa } 1471a56f9390SJiri Olsa 1472a56f9390SJiri Olsa print_counters(ts, argc, argv); 1473a56f9390SJiri Olsa return 0; 1474a56f9390SJiri Olsa } 1475a56f9390SJiri Olsa 147662ba18baSJiri Olsa static 147789f1688aSJiri Olsa int process_stat_config_event(struct perf_session *session, 147889f1688aSJiri Olsa union perf_event *event) 147962ba18baSJiri Olsa { 148089f1688aSJiri Olsa struct perf_tool *tool = session->tool; 148168d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 148268d702f7SJiri Olsa 148362ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 148468d702f7SJiri Olsa 1485315c0a1fSJiri Olsa if (perf_cpu_map__empty(st->cpus)) { 148689af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 148789af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 148889af4e05SJiri Olsa return 0; 148989af4e05SJiri Olsa } 149089af4e05SJiri Olsa 149189af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 149289af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 149389af4e05SJiri Olsa 14948ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 149568d702f7SJiri Olsa perf_stat_init_aggr_mode(); 149668d702f7SJiri Olsa else 149768d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 149868d702f7SJiri Olsa 149962ba18baSJiri Olsa return 0; 150062ba18baSJiri Olsa } 150162ba18baSJiri Olsa 15021975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 15031975d36eSJiri Olsa { 15041975d36eSJiri Olsa if (!st->cpus || !st->threads) 15051975d36eSJiri Olsa return 0; 15061975d36eSJiri Olsa 15071975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 15081975d36eSJiri Olsa return -EINVAL; 15091975d36eSJiri Olsa 1510453fa030SJiri Olsa perf_evlist__set_maps(&evsel_list->core, st->cpus, st->threads); 15111975d36eSJiri Olsa 15121975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 15131975d36eSJiri Olsa return -ENOMEM; 15141975d36eSJiri Olsa 15151975d36eSJiri Olsa st->maps_allocated = true; 15161975d36eSJiri Olsa return 0; 15171975d36eSJiri Olsa } 15181975d36eSJiri Olsa 15191975d36eSJiri Olsa static 152089f1688aSJiri Olsa int process_thread_map_event(struct perf_session *session, 152189f1688aSJiri Olsa union perf_event *event) 15221975d36eSJiri Olsa { 152389f1688aSJiri Olsa struct perf_tool *tool = session->tool; 15241975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 15251975d36eSJiri Olsa 15261975d36eSJiri Olsa if (st->threads) { 15271975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 15281975d36eSJiri Olsa return 0; 15291975d36eSJiri Olsa } 15301975d36eSJiri Olsa 15311975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 15321975d36eSJiri Olsa if (!st->threads) 15331975d36eSJiri Olsa return -ENOMEM; 15341975d36eSJiri Olsa 15351975d36eSJiri Olsa return set_maps(st); 15361975d36eSJiri Olsa } 15371975d36eSJiri Olsa 15381975d36eSJiri Olsa static 153989f1688aSJiri Olsa int process_cpu_map_event(struct perf_session *session, 154089f1688aSJiri Olsa union perf_event *event) 15411975d36eSJiri Olsa { 154289f1688aSJiri Olsa struct perf_tool *tool = session->tool; 15431975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 1544f854839bSJiri Olsa struct perf_cpu_map *cpus; 15451975d36eSJiri Olsa 15461975d36eSJiri Olsa if (st->cpus) { 15471975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 15481975d36eSJiri Olsa return 0; 15491975d36eSJiri Olsa } 15501975d36eSJiri Olsa 15511975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 15521975d36eSJiri Olsa if (!cpus) 15531975d36eSJiri Olsa return -ENOMEM; 15541975d36eSJiri Olsa 15551975d36eSJiri Olsa st->cpus = cpus; 15561975d36eSJiri Olsa return set_maps(st); 15571975d36eSJiri Olsa } 15581975d36eSJiri Olsa 155956739444SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 156056739444SJin Yao { 156156739444SJin Yao int i; 156256739444SJin Yao 156356739444SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 156456739444SJin Yao if (!config->stats) 156556739444SJin Yao return -1; 156656739444SJin Yao 156756739444SJin Yao config->stats_num = nthreads; 156856739444SJin Yao 156956739444SJin Yao for (i = 0; i < nthreads; i++) 157056739444SJin Yao runtime_stat__init(&config->stats[i]); 157156739444SJin Yao 157256739444SJin Yao return 0; 157356739444SJin Yao } 157456739444SJin Yao 157556739444SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 157656739444SJin Yao { 157756739444SJin Yao int i; 157856739444SJin Yao 157956739444SJin Yao if (!config->stats) 158056739444SJin Yao return; 158156739444SJin Yao 158256739444SJin Yao for (i = 0; i < config->stats_num; i++) 158356739444SJin Yao runtime_stat__exit(&config->stats[i]); 158456739444SJin Yao 1585d8f9da24SArnaldo Carvalho de Melo zfree(&config->stats); 158656739444SJin Yao } 158756739444SJin Yao 15888a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 1589ba6039b6SJiri Olsa "perf stat report [<options>]", 1590ba6039b6SJiri Olsa NULL, 1591ba6039b6SJiri Olsa }; 1592ba6039b6SJiri Olsa 1593ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 1594ba6039b6SJiri Olsa .tool = { 1595ba6039b6SJiri Olsa .attr = perf_event__process_attr, 1596fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 15971975d36eSJiri Olsa .thread_map = process_thread_map_event, 15981975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 159962ba18baSJiri Olsa .stat_config = process_stat_config_event, 1600a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 1601a56f9390SJiri Olsa .stat_round = process_stat_round_event, 1602ba6039b6SJiri Olsa }, 160389af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 1604ba6039b6SJiri Olsa }; 1605ba6039b6SJiri Olsa 1606ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 1607ba6039b6SJiri Olsa { 1608ba6039b6SJiri Olsa struct perf_session *session; 1609ba6039b6SJiri Olsa const struct option options[] = { 1610ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 161189af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 161289af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1613db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &perf_stat.aggr_mode, 1614db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 161589af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 161689af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 161789af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 161889af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1619ba6039b6SJiri Olsa OPT_END() 1620ba6039b6SJiri Olsa }; 1621ba6039b6SJiri Olsa struct stat st; 1622ba6039b6SJiri Olsa int ret; 1623ba6039b6SJiri Olsa 16248a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 1625ba6039b6SJiri Olsa 1626ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 1627ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1628ba6039b6SJiri Olsa input_name = "-"; 1629ba6039b6SJiri Olsa else 1630ba6039b6SJiri Olsa input_name = "perf.data"; 1631ba6039b6SJiri Olsa } 1632ba6039b6SJiri Olsa 16332d4f2799SJiri Olsa perf_stat.data.path = input_name; 16348ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 1635ba6039b6SJiri Olsa 16368ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 1637ba6039b6SJiri Olsa if (session == NULL) 1638ba6039b6SJiri Olsa return -1; 1639ba6039b6SJiri Olsa 1640ba6039b6SJiri Olsa perf_stat.session = session; 1641ba6039b6SJiri Olsa stat_config.output = stderr; 1642ba6039b6SJiri Olsa evsel_list = session->evlist; 1643ba6039b6SJiri Olsa 1644ba6039b6SJiri Olsa ret = perf_session__process_events(session); 1645ba6039b6SJiri Olsa if (ret) 1646ba6039b6SJiri Olsa return ret; 1647ba6039b6SJiri Olsa 1648ba6039b6SJiri Olsa perf_session__delete(session); 1649ba6039b6SJiri Olsa return 0; 1650ba6039b6SJiri Olsa } 1651ba6039b6SJiri Olsa 1652e3ba76deSJiri Olsa static void setup_system_wide(int forks) 1653e3ba76deSJiri Olsa { 1654e3ba76deSJiri Olsa /* 1655e3ba76deSJiri Olsa * Make system wide (-a) the default target if 1656e3ba76deSJiri Olsa * no target was specified and one of following 1657e3ba76deSJiri Olsa * conditions is met: 1658e3ba76deSJiri Olsa * 1659e3ba76deSJiri Olsa * - there's no workload specified 1660e3ba76deSJiri Olsa * - there is workload specified but all requested 1661e3ba76deSJiri Olsa * events are system wide events 1662e3ba76deSJiri Olsa */ 1663e3ba76deSJiri Olsa if (!target__none(&target)) 1664e3ba76deSJiri Olsa return; 1665e3ba76deSJiri Olsa 1666e3ba76deSJiri Olsa if (!forks) 1667e3ba76deSJiri Olsa target.system_wide = true; 1668e3ba76deSJiri Olsa else { 166932dcd021SJiri Olsa struct evsel *counter; 1670e3ba76deSJiri Olsa 1671e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 1672e3ba76deSJiri Olsa if (!counter->system_wide) 1673e3ba76deSJiri Olsa return; 1674e3ba76deSJiri Olsa } 1675e3ba76deSJiri Olsa 16766484d2f9SJiri Olsa if (evsel_list->core.nr_entries) 1677e3ba76deSJiri Olsa target.system_wide = true; 1678e3ba76deSJiri Olsa } 1679e3ba76deSJiri Olsa } 1680e3ba76deSJiri Olsa 1681b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 168286470930SIngo Molnar { 1683b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1684b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1685b070a547SArnaldo Carvalho de Melo NULL 1686b070a547SArnaldo Carvalho de Melo }; 1687cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 16884aa9015fSStephane Eranian const char *mode; 16895821522eSJiri Olsa FILE *output = stderr; 1690f1f8ad52Syuzhoujian unsigned int interval, timeout; 1691ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 169242202dd5SIngo Molnar 16935af52b51SStephane Eranian setlocale(LC_ALL, ""); 16945af52b51SStephane Eranian 16950f98b11cSJiri Olsa evsel_list = evlist__new(); 1696361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1697361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1698361c99a6SArnaldo Carvalho de Melo 16991669e509SWang Nan parse_events__shrink_config_terms(); 170051433eadSMichael Petlan 170151433eadSMichael Petlan /* String-parsing callback-based options would segfault when negated */ 170251433eadSMichael Petlan set_option_flag(stat_options, 'e', "event", PARSE_OPT_NONEG); 170351433eadSMichael Petlan set_option_flag(stat_options, 'M', "metrics", PARSE_OPT_NONEG); 170451433eadSMichael Petlan set_option_flag(stat_options, 'G', "cgroup", PARSE_OPT_NONEG); 170551433eadSMichael Petlan 17064979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 17074979d0c7SJiri Olsa (const char **) stat_usage, 1708a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 170937932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 1710fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 1711d7470b6aSStephane Eranian 1712fa7070a3SJiri Olsa if (stat_config.csv_sep) { 1713fa7070a3SJiri Olsa stat_config.csv_output = true; 1714fa7070a3SJiri Olsa if (!strcmp(stat_config.csv_sep, "\\t")) 1715fa7070a3SJiri Olsa stat_config.csv_sep = "\t"; 17166edb78a2SJiri Olsa } else 1717fa7070a3SJiri Olsa stat_config.csv_sep = DEFAULT_SEPARATOR; 17186edb78a2SJiri Olsa 17194979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 17204979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 17214979d0c7SJiri Olsa if (argc < 0) 17224979d0c7SJiri Olsa return -1; 1723ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 1724ba6039b6SJiri Olsa return __cmd_report(argc, argv); 17254979d0c7SJiri Olsa 1726ec0d3d1fSJiri Olsa interval = stat_config.interval; 1727f1f8ad52Syuzhoujian timeout = stat_config.timeout; 1728ec0d3d1fSJiri Olsa 17294979d0c7SJiri Olsa /* 17304979d0c7SJiri Olsa * For record command the -o is already taken care of. 17314979d0c7SJiri Olsa */ 17324979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 17334aa9015fSStephane Eranian output = NULL; 17344aa9015fSStephane Eranian 173556f3bae7SJim Cromie if (output_name && output_fd) { 173656f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1737e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 1738e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 1739cc03c542SNamhyung Kim goto out; 174056f3bae7SJim Cromie } 1741fc3e4d07SStephane Eranian 17420ce5aa02SJiri Olsa if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) { 174354b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 174454b50916SAndi Kleen goto out; 174554b50916SAndi Kleen } 174654b50916SAndi Kleen 1747d97ae04bSJiri Olsa if (stat_config.metric_only && stat_config.run_count > 1) { 174854b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 174954b50916SAndi Kleen goto out; 175054b50916SAndi Kleen } 175154b50916SAndi Kleen 175254ac0b1bSJiri Olsa if (stat_config.walltime_run_table && stat_config.run_count <= 1) { 1753e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 1754e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1755e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 1756e55c14afSJiri Olsa goto out; 1757e55c14afSJiri Olsa } 1758e55c14afSJiri Olsa 1759fc3e4d07SStephane Eranian if (output_fd < 0) { 1760fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 1761e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 1762cc03c542SNamhyung Kim goto out; 1763fc3e4d07SStephane Eranian } 1764fc3e4d07SStephane Eranian 17654aa9015fSStephane Eranian if (!output) { 17664aa9015fSStephane Eranian struct timespec tm; 17674aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 17684aa9015fSStephane Eranian 17694aa9015fSStephane Eranian output = fopen(output_name, mode); 17704aa9015fSStephane Eranian if (!output) { 17714aa9015fSStephane Eranian perror("failed to create output file"); 1772fceda7feSDavid Ahern return -1; 17734aa9015fSStephane Eranian } 17744aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 17754aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 1776fc3e4d07SStephane Eranian } else if (output_fd > 0) { 177756f3bae7SJim Cromie mode = append_file ? "a" : "w"; 177856f3bae7SJim Cromie output = fdopen(output_fd, mode); 177956f3bae7SJim Cromie if (!output) { 178056f3bae7SJim Cromie perror("Failed opening logfd"); 178156f3bae7SJim Cromie return -errno; 178256f3bae7SJim Cromie } 17834aa9015fSStephane Eranian } 17844aa9015fSStephane Eranian 17855821522eSJiri Olsa stat_config.output = output; 17865821522eSJiri Olsa 1787d7470b6aSStephane Eranian /* 1788d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 1789d7470b6aSStephane Eranian */ 1790fa7070a3SJiri Olsa if (stat_config.csv_output) { 179161a9f324SJim Cromie /* User explicitly passed -B? */ 1792d7470b6aSStephane Eranian if (big_num_opt == 1) { 1793d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 1794e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 1795e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 1796cc03c542SNamhyung Kim goto out; 1797d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 179834ff0866SJiri Olsa stat_config.big_num = false; 1799d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 180034ff0866SJiri Olsa stat_config.big_num = false; 1801d7470b6aSStephane Eranian 1802e3ba76deSJiri Olsa setup_system_wide(argc); 1803ac3063bdSDavid Ahern 18040ce2da14SJiri Olsa /* 18050ce2da14SJiri Olsa * Display user/system times only for single 18060ce2da14SJiri Olsa * run and when there's specified tracee. 18070ce2da14SJiri Olsa */ 1808d97ae04bSJiri Olsa if ((stat_config.run_count == 1) && target__none(&target)) 18098897a891SJiri Olsa stat_config.ru_display = true; 18100ce2da14SJiri Olsa 1811d97ae04bSJiri Olsa if (stat_config.run_count < 0) { 1812cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 1813e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1814cc03c542SNamhyung Kim goto out; 1815d97ae04bSJiri Olsa } else if (stat_config.run_count == 0) { 1816a7e191c3SFrederik Deweerdt forever = true; 1817d97ae04bSJiri Olsa stat_config.run_count = 1; 1818a7e191c3SFrederik Deweerdt } 181986470930SIngo Molnar 182054ac0b1bSJiri Olsa if (stat_config.walltime_run_table) { 182154ac0b1bSJiri Olsa stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0])); 182254ac0b1bSJiri Olsa if (!stat_config.walltime_run) { 1823e55c14afSJiri Olsa pr_err("failed to setup -r option"); 1824e55c14afSJiri Olsa goto out; 1825e55c14afSJiri Olsa } 1826e55c14afSJiri Olsa } 1827e55c14afSJiri Olsa 18281d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 18291d9f8d1bSJin Yao !target__has_task(&target)) { 18301d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 18311d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 18321d9f8d1bSJin Yao "available when monitoring via -p -t -a " 18331d9f8d1bSJin Yao "options or only --per-thread.\n"); 1834e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 1835e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 183632b8af82SJiri Olsa goto out; 183732b8af82SJiri Olsa } 18381d9f8d1bSJin Yao } 183932b8af82SJiri Olsa 184032b8af82SJiri Olsa /* 184132b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 184232b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 184332b8af82SJiri Olsa */ 1844421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 1845421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 1846602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 1847023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 1848023695d9SStephane Eranian "modes only available in system-wide mode\n"); 1849023695d9SStephane Eranian 1850e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 1851e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 1852e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1853cc03c542SNamhyung Kim goto out; 1854d7e7a451SStephane Eranian } 1855d7e7a451SStephane Eranian 18562cba3ffbSIngo Molnar if (add_default_attributes()) 1857c6264defSIngo Molnar goto out; 185886470930SIngo Molnar 1859602ad878SArnaldo Carvalho de Melo target__validate(&target); 18605c98d466SArnaldo Carvalho de Melo 18611d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 18621d9f8d1bSJin Yao target.per_thread = true; 18631d9f8d1bSJin Yao 186477a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 1865602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 18665c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 1867e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 1868e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 1869602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 187060d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 1871e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 1872e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1873cc03c542SNamhyung Kim } 1874cc03c542SNamhyung Kim goto out; 187560d567e2SArnaldo Carvalho de Melo } 187632b8af82SJiri Olsa 187732b8af82SJiri Olsa /* 187832b8af82SJiri Olsa * Initialize thread_map with comm names, 187932b8af82SJiri Olsa * so we could print it out on output. 188032b8af82SJiri Olsa */ 188156739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 188203617c22SJiri Olsa thread_map__read_comms(evsel_list->core.threads); 188356739444SJin Yao if (target.system_wide) { 188456739444SJin Yao if (runtime_stat_new(&stat_config, 1885a2f354e3SJiri Olsa perf_thread_map__nr(evsel_list->core.threads))) { 188656739444SJin Yao goto out; 188756739444SJin Yao } 188856739444SJin Yao } 188956739444SJin Yao } 189032b8af82SJiri Olsa 1891db06a269Syuzhoujian if (stat_config.times && interval) 1892db06a269Syuzhoujian interval_count = true; 1893db06a269Syuzhoujian else if (stat_config.times && !interval) { 1894db06a269Syuzhoujian pr_err("interval-count option should be used together with " 1895db06a269Syuzhoujian "interval-print.\n"); 1896db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 1897db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 1898db06a269Syuzhoujian goto out; 1899db06a269Syuzhoujian } 1900c45c6ea2SStephane Eranian 1901f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 1902f1f8ad52Syuzhoujian if (timeout < 10) { 1903f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 1904f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 1905f1f8ad52Syuzhoujian goto out; 1906f1f8ad52Syuzhoujian } else 1907f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 1908f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 1909f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 1910f1f8ad52Syuzhoujian } 1911f1f8ad52Syuzhoujian if (timeout && interval) { 1912f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 1913f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 1914f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 1915f1f8ad52Syuzhoujian goto out; 1916f1f8ad52Syuzhoujian } 1917f1f8ad52Syuzhoujian 1918d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 191903ad9747SArnaldo Carvalho de Melo goto out; 1920d6d901c2SZhang, Yanmin 192186ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 192203ad9747SArnaldo Carvalho de Melo goto out; 192386ee6e18SStephane Eranian 192486470930SIngo Molnar /* 19257d9ad16aSJiri Olsa * Set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 19267d9ad16aSJiri Olsa * while avoiding that older tools show confusing messages. 19277d9ad16aSJiri Olsa * 19287d9ad16aSJiri Olsa * However for pipe sessions we need to keep it zero, 19297d9ad16aSJiri Olsa * because script's perf_evsel__check_attr is triggered 19307d9ad16aSJiri Olsa * by attr->sample_type != 0, and we can't run it on 19317d9ad16aSJiri Olsa * stat sessions. 19327d9ad16aSJiri Olsa */ 19337d9ad16aSJiri Olsa stat_config.identifier = !(STAT_RECORD && perf_stat.data.is_pipe); 19347d9ad16aSJiri Olsa 19357d9ad16aSJiri Olsa /* 193686470930SIngo Molnar * We dont want to block the signals - that would cause 193786470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 193886470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 193986470930SIngo Molnar * task, but being ignored by perf stat itself: 194086470930SIngo Molnar */ 1941f7b7c26eSPeter Zijlstra atexit(sig_atexit); 1942a7e191c3SFrederik Deweerdt if (!forever) 194386470930SIngo Molnar signal(SIGINT, skip_signal); 194413370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 194586470930SIngo Molnar signal(SIGALRM, skip_signal); 194686470930SIngo Molnar signal(SIGABRT, skip_signal); 194786470930SIngo Molnar 194842202dd5SIngo Molnar status = 0; 1949d97ae04bSJiri Olsa for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) { 1950d97ae04bSJiri Olsa if (stat_config.run_count != 1 && verbose > 0) 19514aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 19524aa9015fSStephane Eranian run_idx + 1); 1953f9cef0a9SIngo Molnar 1954e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 1955a7e191c3SFrederik Deweerdt if (forever && status != -1) { 1956d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1957254ecbc7SJiri Olsa perf_stat__reset_stats(); 1958a7e191c3SFrederik Deweerdt } 195942202dd5SIngo Molnar } 196042202dd5SIngo Molnar 1961a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 1962d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1963d134ffb9SArnaldo Carvalho de Melo 19644979d0c7SJiri Olsa if (STAT_RECORD) { 19654979d0c7SJiri Olsa /* 19664979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 19674979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 19684979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 19694979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 19704979d0c7SJiri Olsa * 19714979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 19728b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 19738b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 19748b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 19758b99b1a4SJiri Olsa * tools remain -acme 19764979d0c7SJiri Olsa */ 19778ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 19784979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 19794979d0c7SJiri Olsa process_synthesized_event, 19804979d0c7SJiri Olsa &perf_stat.session->machines.host); 19814979d0c7SJiri Olsa if (err) { 19824979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 19834979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 19844979d0c7SJiri Olsa } 19854979d0c7SJiri Olsa 19867aad0c32SJiri Olsa if (!interval) { 19877aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 19887aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 19897aad0c32SJiri Olsa } 19907aad0c32SJiri Olsa 19918ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 19924979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 19934979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 1994664c98d4SJiri Olsa } 19954979d0c7SJiri Olsa 1996750b4edeSJiri Olsa evlist__close(evsel_list); 19974979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 19984979d0c7SJiri Olsa } 19994979d0c7SJiri Olsa 2000544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2001d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 20020015e2e1SArnaldo Carvalho de Melo out: 2003d8f9da24SArnaldo Carvalho de Melo zfree(&stat_config.walltime_run); 2004e55c14afSJiri Olsa 2005daefd0bcSKan Liang if (smi_cost && smi_reset) 2006daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2007daefd0bcSKan Liang 2008c12995a5SJiri Olsa evlist__delete(evsel_list); 200956739444SJin Yao 201056739444SJin Yao runtime_stat_delete(&stat_config); 201156739444SJin Yao 201242202dd5SIngo Molnar return status; 201386470930SIngo Molnar } 2014