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 "perf.h" 4486470930SIngo Molnar #include "builtin.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" 57d6d901c2SZhang, Yanmin #include "util/thread.h" 58fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 59d809560bSJiri Olsa #include "util/counts.h" 6044b1e60aSAndi Kleen #include "util/group.h" 614979d0c7SJiri Olsa #include "util/session.h" 62ba6039b6SJiri Olsa #include "util/tool.h" 63a067558eSArnaldo Carvalho de Melo #include "util/string2.h" 64b18f3e36SAndi Kleen #include "util/metricgroup.h" 659660e08eSJiri Olsa #include "util/top.h" 66ba6039b6SJiri Olsa #include "asm/bug.h" 6786470930SIngo Molnar 68bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 697f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 7044b1e60aSAndi Kleen #include <api/fs/fs.h> 71a43783aeSArnaldo Carvalho de Melo #include <errno.h> 729607ad3aSArnaldo Carvalho de Melo #include <signal.h> 731f16c575SPeter Zijlstra #include <stdlib.h> 7486470930SIngo Molnar #include <sys/prctl.h> 75fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 765af52b51SStephane Eranian #include <locale.h> 77e3b03b6cSAndi Kleen #include <math.h> 787a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 797a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 804208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 817a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 820ce2da14SJiri Olsa #include <sys/time.h> 830ce2da14SJiri Olsa #include <sys/resource.h> 8486470930SIngo Molnar 853052ba56SArnaldo Carvalho de Melo #include <linux/ctype.h> 86453fa030SJiri Olsa #include <perf/evlist.h> 873d689ed6SArnaldo Carvalho de Melo 88d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 89daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 90d7470b6aSStephane Eranian 91d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9213370a9bSStephane Eranian 934cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 94a454742cSJiri Olsa static const char *transaction_attrs = { 95a454742cSJiri Olsa "task-clock," 964cabc3d1SAndi Kleen "{" 974cabc3d1SAndi Kleen "instructions," 984cabc3d1SAndi Kleen "cycles," 994cabc3d1SAndi Kleen "cpu/cycles-t/," 1004cabc3d1SAndi Kleen "cpu/tx-start/," 1014cabc3d1SAndi Kleen "cpu/el-start/," 1024cabc3d1SAndi Kleen "cpu/cycles-ct/" 1034cabc3d1SAndi Kleen "}" 1044cabc3d1SAndi Kleen }; 1054cabc3d1SAndi Kleen 1064cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 107a454742cSJiri Olsa static const char * transaction_limited_attrs = { 108a454742cSJiri Olsa "task-clock," 1094cabc3d1SAndi Kleen "{" 1104cabc3d1SAndi Kleen "instructions," 1114cabc3d1SAndi Kleen "cycles," 1124cabc3d1SAndi Kleen "cpu/cycles-t/," 1134cabc3d1SAndi Kleen "cpu/tx-start/" 1144cabc3d1SAndi Kleen "}" 1154cabc3d1SAndi Kleen }; 1164cabc3d1SAndi Kleen 11744b1e60aSAndi Kleen static const char * topdown_attrs[] = { 11844b1e60aSAndi Kleen "topdown-total-slots", 11944b1e60aSAndi Kleen "topdown-slots-retired", 12044b1e60aSAndi Kleen "topdown-recovery-bubbles", 12144b1e60aSAndi Kleen "topdown-fetch-bubbles", 12244b1e60aSAndi Kleen "topdown-slots-issued", 12344b1e60aSAndi Kleen NULL, 12444b1e60aSAndi Kleen }; 12544b1e60aSAndi Kleen 126daefd0bcSKan Liang static const char *smi_cost_attrs = { 127daefd0bcSKan Liang "{" 128daefd0bcSKan Liang "msr/aperf/," 129daefd0bcSKan Liang "msr/smi/," 130daefd0bcSKan Liang "cycles" 131daefd0bcSKan Liang "}" 132daefd0bcSKan Liang }; 133daefd0bcSKan Liang 13463503dbaSJiri Olsa static struct evlist *evsel_list; 135361c99a6SArnaldo Carvalho de Melo 136602ad878SArnaldo Carvalho de Melo static struct target target = { 13777a6f014SNamhyung Kim .uid = UINT_MAX, 13877a6f014SNamhyung Kim }; 13942202dd5SIngo Molnar 140c1a1f5d9SJiri Olsa #define METRIC_ONLY_LEN 20 141c1a1f5d9SJiri Olsa 142d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 1432cba3ffbSIngo Molnar static int detailed_run = 0; 1444cabc3d1SAndi Kleen static bool transaction_run; 14544b1e60aSAndi Kleen static bool topdown_run = false; 146daefd0bcSKan Liang static bool smi_cost = false; 147daefd0bcSKan Liang static bool smi_reset = false; 148d7470b6aSStephane Eranian static int big_num_opt = -1; 14943bece79SLin Ming static bool group = false; 1501f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1511f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1521f16c575SPeter Zijlstra static bool sync_run = false; 153a7e191c3SFrederik Deweerdt static bool forever = false; 15444b1e60aSAndi Kleen static bool force_metric_only = false; 15513370a9bSStephane Eranian static struct timespec ref_time; 156e0547311SJiri Olsa static bool append_file; 157db06a269Syuzhoujian static bool interval_count; 158e0547311SJiri Olsa static const char *output_name; 159e0547311SJiri Olsa static int output_fd; 1605af52b51SStephane Eranian 1614979d0c7SJiri Olsa struct perf_stat { 1624979d0c7SJiri Olsa bool record; 1638ceb41d7SJiri Olsa struct perf_data data; 1644979d0c7SJiri Olsa struct perf_session *session; 1654979d0c7SJiri Olsa u64 bytes_written; 166ba6039b6SJiri Olsa struct perf_tool tool; 1671975d36eSJiri Olsa bool maps_allocated; 168f854839bSJiri Olsa struct perf_cpu_map *cpus; 1699749b90eSJiri Olsa struct perf_thread_map *threads; 17089af4e05SJiri Olsa enum aggr_mode aggr_mode; 1714979d0c7SJiri Olsa }; 1724979d0c7SJiri Olsa 1734979d0c7SJiri Olsa static struct perf_stat perf_stat; 1744979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1754979d0c7SJiri Olsa 17660666c63SLiming Wang static volatile int done = 0; 17760666c63SLiming Wang 178421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 179421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 180711a572eSJiri Olsa .scale = true, 181df4f7b4dSJiri Olsa .unit_width = 4, /* strlen("unit") */ 182d97ae04bSJiri Olsa .run_count = 1, 183ee1760e2SJiri Olsa .metric_only_len = METRIC_ONLY_LEN, 18426893a60SJiri Olsa .walltime_nsecs_stats = &walltime_nsecs_stats, 18534ff0866SJiri Olsa .big_num = true, 186421a50f3SJiri Olsa }; 187421a50f3SJiri Olsa 18813370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 18913370a9bSStephane Eranian struct timespec *b) 19013370a9bSStephane Eranian { 19113370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 19213370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 193310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 19413370a9bSStephane Eranian r->tv_sec--; 19513370a9bSStephane Eranian } else { 19613370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 19713370a9bSStephane Eranian } 19813370a9bSStephane Eranian } 19913370a9bSStephane Eranian 200254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 201254ecbc7SJiri Olsa { 20256739444SJin Yao int i; 20356739444SJin Yao 204254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 205f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 20656739444SJin Yao 20756739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 20856739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 2091eda3b21SJiri Olsa } 2101eda3b21SJiri Olsa 2118b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2124979d0c7SJiri Olsa union perf_event *event, 2134979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2144979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2154979d0c7SJiri Olsa { 2168ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 2178b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2188b99b1a4SJiri Olsa return -1; 2198b99b1a4SJiri Olsa } 2208b99b1a4SJiri Olsa 2218b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2228b99b1a4SJiri Olsa return 0; 2234979d0c7SJiri Olsa } 2244979d0c7SJiri Olsa 2251975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 2267aad0c32SJiri Olsa { 2271975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 2287aad0c32SJiri Olsa process_synthesized_event, 2297aad0c32SJiri Olsa NULL); 2307aad0c32SJiri Olsa } 2317aad0c32SJiri Olsa 2327aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2337aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2347aad0c32SJiri Olsa 2355a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 2365a6ea81bSJiri Olsa 2375a6ea81bSJiri Olsa static int 23832dcd021SJiri Olsa perf_evsel__write_stat_event(struct evsel *counter, u32 cpu, u32 thread, 2395a6ea81bSJiri Olsa struct perf_counts_values *count) 2405a6ea81bSJiri Olsa { 2415a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2425a6ea81bSJiri Olsa 2435a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2445a6ea81bSJiri Olsa process_synthesized_event, NULL); 2455a6ea81bSJiri Olsa } 2465a6ea81bSJiri Olsa 24732dcd021SJiri Olsa static int read_single_counter(struct evsel *counter, int cpu, 248f0fbb114SAndi Kleen int thread, struct timespec *rs) 249f0fbb114SAndi Kleen { 250f0fbb114SAndi Kleen if (counter->tool_event == PERF_TOOL_DURATION_TIME) { 251f0fbb114SAndi Kleen u64 val = rs->tv_nsec + rs->tv_sec*1000000000ULL; 252f0fbb114SAndi Kleen struct perf_counts_values *count = 253f0fbb114SAndi Kleen perf_counts(counter->counts, cpu, thread); 254f0fbb114SAndi Kleen count->ena = count->run = val; 255f0fbb114SAndi Kleen count->val = val; 256f0fbb114SAndi Kleen return 0; 257f0fbb114SAndi Kleen } 258f0fbb114SAndi Kleen return perf_evsel__read_counter(counter, cpu, thread); 259f0fbb114SAndi Kleen } 260f0fbb114SAndi Kleen 261f5b4a9c3SStephane Eranian /* 262f5b4a9c3SStephane Eranian * Read out the results of a single counter: 263f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 264f5b4a9c3SStephane Eranian */ 26532dcd021SJiri Olsa static int read_counter(struct evsel *counter, struct timespec *rs) 266f5b4a9c3SStephane Eranian { 26703617c22SJiri Olsa int nthreads = thread_map__nr(evsel_list->core.threads); 26800e727bbSMark Rutland int ncpus, cpu, thread; 26900e727bbSMark Rutland 2701d9f8d1bSJin Yao if (target__has_cpu(&target) && !target__has_per_thread(&target)) 27100e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 27200e727bbSMark Rutland else 27300e727bbSMark Rutland ncpus = 1; 274f5b4a9c3SStephane Eranian 2753b4331d9SSuzuki K. Poulose if (!counter->supported) 2763b4331d9SSuzuki K. Poulose return -ENOENT; 2773b4331d9SSuzuki K. Poulose 2789bf1a529SJiri Olsa if (counter->system_wide) 2799bf1a529SJiri Olsa nthreads = 1; 2809bf1a529SJiri Olsa 2819bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 2829bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 2833b3eb044SJiri Olsa struct perf_counts_values *count; 2843b3eb044SJiri Olsa 2853b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 28682bf311eSJiri Olsa 28782bf311eSJiri Olsa /* 28882bf311eSJiri Olsa * The leader's group read loads data into its group members 28982bf311eSJiri Olsa * (via perf_evsel__read_counter) and sets threir count->loaded. 29082bf311eSJiri Olsa */ 291df1d6856SJiri Olsa if (!perf_counts__is_loaded(counter->counts, cpu, thread) && 292f0fbb114SAndi Kleen read_single_counter(counter, cpu, thread, rs)) { 293db49a717SStephane Eranian counter->counts->scaled = -1; 294db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 295db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 296c52b12edSArnaldo Carvalho de Melo return -1; 297db49a717SStephane Eranian } 2985a6ea81bSJiri Olsa 299df1d6856SJiri Olsa perf_counts__set_loaded(counter->counts, cpu, thread, false); 30082bf311eSJiri Olsa 3015a6ea81bSJiri Olsa if (STAT_RECORD) { 3025a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3035a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3045a6ea81bSJiri Olsa return -1; 3055a6ea81bSJiri Olsa } 3065a6ea81bSJiri Olsa } 3070b1abbf4SAndi Kleen 3080b1abbf4SAndi Kleen if (verbose > 1) { 3090b1abbf4SAndi Kleen fprintf(stat_config.output, 3100b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3110b1abbf4SAndi Kleen perf_evsel__name(counter), 3120b1abbf4SAndi Kleen cpu, 3130b1abbf4SAndi Kleen count->val, count->ena, count->run); 3140b1abbf4SAndi Kleen } 315f5b4a9c3SStephane Eranian } 3169bf1a529SJiri Olsa } 317c52b12edSArnaldo Carvalho de Melo 318c52b12edSArnaldo Carvalho de Melo return 0; 31986470930SIngo Molnar } 32086470930SIngo Molnar 321f0fbb114SAndi Kleen static void read_counters(struct timespec *rs) 322106a94a0SJiri Olsa { 32332dcd021SJiri Olsa struct evsel *counter; 324db49a717SStephane Eranian int ret; 325106a94a0SJiri Olsa 326e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 327f0fbb114SAndi Kleen ret = read_counter(counter, rs); 328db49a717SStephane Eranian if (ret) 329245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3303b3eb044SJiri Olsa 331db49a717SStephane Eranian if (ret == 0 && perf_stat_process_counter(&stat_config, counter)) 3323b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 333106a94a0SJiri Olsa } 334106a94a0SJiri Olsa } 335106a94a0SJiri Olsa 336ba411a95SJiri Olsa static void process_interval(void) 33713370a9bSStephane Eranian { 33813370a9bSStephane Eranian struct timespec ts, rs; 33913370a9bSStephane Eranian 34013370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 34113370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 34213370a9bSStephane Eranian 343f0fbb114SAndi Kleen read_counters(&rs); 344f0fbb114SAndi Kleen 3457aad0c32SJiri Olsa if (STAT_RECORD) { 346bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 3477aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 3487aad0c32SJiri Olsa } 3497aad0c32SJiri Olsa 350b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 351b90f1333SAndi Kleen update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); 352d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 35313370a9bSStephane Eranian } 35413370a9bSStephane Eranian 35567ccdecdSJiri Olsa static void enable_counters(void) 35641191688SAndi Kleen { 357728c0ee0SJiri Olsa if (stat_config.initial_delay) 358728c0ee0SJiri Olsa usleep(stat_config.initial_delay * USEC_PER_MSEC); 35967ccdecdSJiri Olsa 36067ccdecdSJiri Olsa /* 36167ccdecdSJiri Olsa * We need to enable counters only if: 36267ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 36367ccdecdSJiri Olsa * - we have initial delay configured 36467ccdecdSJiri Olsa */ 365728c0ee0SJiri Olsa if (!target__none(&target) || stat_config.initial_delay) 3661c87f165SJiri Olsa evlist__enable(evsel_list); 36741191688SAndi Kleen } 36841191688SAndi Kleen 3693df33effSMark Rutland static void disable_counters(void) 3703df33effSMark Rutland { 3713df33effSMark Rutland /* 3723df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 3733df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 3743df33effSMark Rutland * from counting before reading their constituent counters. 3753df33effSMark Rutland */ 3763df33effSMark Rutland if (!target__none(&target)) 377e74676deSJiri Olsa evlist__disable(evsel_list); 3783df33effSMark Rutland } 3793df33effSMark Rutland 380f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 3816af206fdSArnaldo Carvalho de Melo 3826af206fdSArnaldo Carvalho de Melo /* 3836af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 3846af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 3856af206fdSArnaldo Carvalho de Melo * want_signal to true. 3866af206fdSArnaldo Carvalho de Melo */ 387f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 388f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 3896af206fdSArnaldo Carvalho de Melo { 390f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 3916af206fdSArnaldo Carvalho de Melo } 3926af206fdSArnaldo Carvalho de Melo 39332dcd021SJiri Olsa static bool perf_evsel__should_store_id(struct evsel *counter) 39482bf311eSJiri Olsa { 3951fc632ceSJiri Olsa return STAT_RECORD || counter->core.attr.read_format & PERF_FORMAT_ID; 39682bf311eSJiri Olsa } 39782bf311eSJiri Olsa 398cbb5df7eSJiri Olsa static bool is_target_alive(struct target *_target, 3999749b90eSJiri Olsa struct perf_thread_map *threads) 400cbb5df7eSJiri Olsa { 401cbb5df7eSJiri Olsa struct stat st; 402cbb5df7eSJiri Olsa int i; 403cbb5df7eSJiri Olsa 404cbb5df7eSJiri Olsa if (!target__has_task(_target)) 405cbb5df7eSJiri Olsa return true; 406cbb5df7eSJiri Olsa 407cbb5df7eSJiri Olsa for (i = 0; i < threads->nr; i++) { 408cbb5df7eSJiri Olsa char path[PATH_MAX]; 409cbb5df7eSJiri Olsa 410cbb5df7eSJiri Olsa scnprintf(path, PATH_MAX, "%s/%d", procfs__mountpoint(), 411cbb5df7eSJiri Olsa threads->map[i].pid); 412cbb5df7eSJiri Olsa 413cbb5df7eSJiri Olsa if (!stat(path, &st)) 414cbb5df7eSJiri Olsa return true; 415cbb5df7eSJiri Olsa } 416cbb5df7eSJiri Olsa 417cbb5df7eSJiri Olsa return false; 418cbb5df7eSJiri Olsa } 419cbb5df7eSJiri Olsa 420e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 42186470930SIngo Molnar { 422ec0d3d1fSJiri Olsa int interval = stat_config.interval; 423db06a269Syuzhoujian int times = stat_config.times; 424f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 425d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 42686470930SIngo Molnar unsigned long long t0, t1; 42732dcd021SJiri Olsa struct evsel *counter; 42813370a9bSStephane Eranian struct timespec ts; 429410136f5SStephane Eranian size_t l; 43042202dd5SIngo Molnar int status = 0; 4316be2850eSZhang, Yanmin const bool forks = (argc > 0); 4328ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 43386470930SIngo Molnar 43413370a9bSStephane Eranian if (interval) { 435310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 436310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 437f1f8ad52Syuzhoujian } else if (timeout) { 438f1f8ad52Syuzhoujian ts.tv_sec = timeout / USEC_PER_MSEC; 439f1f8ad52Syuzhoujian ts.tv_nsec = (timeout % USEC_PER_MSEC) * NSEC_PER_MSEC; 44013370a9bSStephane Eranian } else { 44113370a9bSStephane Eranian ts.tv_sec = 1; 44213370a9bSStephane Eranian ts.tv_nsec = 0; 44313370a9bSStephane Eranian } 44413370a9bSStephane Eranian 445acf28922SNamhyung Kim if (forks) { 446664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 447735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 448acf28922SNamhyung Kim perror("failed to prepare workload"); 449fceda7feSDavid Ahern return -1; 450051ae7f7SPaul Mackerras } 451d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 45260666c63SLiming Wang } 453051ae7f7SPaul Mackerras 4546a4bb04cSJiri Olsa if (group) 45563dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 4566a4bb04cSJiri Olsa 457e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 45842ef8a78SArnaldo Carvalho de Melo try_again: 459d09cefd2SJiri Olsa if (create_perf_stat_counter(counter, &stat_config, &target) < 0) { 4605a5dfe4bSAndi Kleen 4615a5dfe4bSAndi Kleen /* Weak group failed. Reset the group. */ 46235c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 4635a5dfe4bSAndi Kleen counter->leader != counter && 4645a5dfe4bSAndi Kleen counter->weak_group) { 465c3537fc2SAndi Kleen counter = perf_evlist__reset_weak_group(evsel_list, counter); 4665a5dfe4bSAndi Kleen goto try_again; 4675a5dfe4bSAndi Kleen } 4685a5dfe4bSAndi Kleen 469979987a5SDavid Ahern /* 470979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 471979987a5SDavid Ahern * (behavior changed with commit b0a873e). 472979987a5SDavid Ahern */ 47338f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 474979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 475979987a5SDavid Ahern errno == ENXIO) { 476bb963e16SNamhyung Kim if (verbose > 0) 477c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 4787289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 4792cee77c4SDavid Ahern counter->supported = false; 480cb5ef600SKan Liang 481cb5ef600SKan Liang if ((counter->leader != counter) || 4825643b1a5SJiri Olsa !(counter->leader->core.nr_members > 1)) 483ede70290SIngo Molnar continue; 48442ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 485bb963e16SNamhyung Kim if (verbose > 0) 48642ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 48742ef8a78SArnaldo Carvalho de Melo goto try_again; 488ab6c79b8SJin Yao } else if (target__has_per_thread(&target) && 48903617c22SJiri Olsa evsel_list->core.threads && 49003617c22SJiri Olsa evsel_list->core.threads->err_thread != -1) { 491ab6c79b8SJin Yao /* 492ab6c79b8SJin Yao * For global --per-thread case, skip current 493ab6c79b8SJin Yao * error thread. 494ab6c79b8SJin Yao */ 49503617c22SJiri Olsa if (!thread_map__remove(evsel_list->core.threads, 49603617c22SJiri Olsa evsel_list->core.threads->err_thread)) { 49703617c22SJiri Olsa evsel_list->core.threads->err_thread = -1; 498ab6c79b8SJin Yao goto try_again; 499ab6c79b8SJin Yao } 500c63ca0c0SDavid Ahern } 501ede70290SIngo Molnar 50256e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 50356e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 50456e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 50556e52e85SArnaldo Carvalho de Melo 506084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 507084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 508fceda7feSDavid Ahern 509084ab9f8SArnaldo Carvalho de Melo return -1; 510084ab9f8SArnaldo Carvalho de Melo } 5112cee77c4SDavid Ahern counter->supported = true; 512410136f5SStephane Eranian 513410136f5SStephane Eranian l = strlen(counter->unit); 514df4f7b4dSJiri Olsa if (l > stat_config.unit_width) 515df4f7b4dSJiri Olsa stat_config.unit_width = l; 5162af4646dSJiri Olsa 51782bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 518650d6220SJiri Olsa perf_evsel__store_ids(counter, evsel_list)) 5192af4646dSJiri Olsa return -1; 52048290609SArnaldo Carvalho de Melo } 52186470930SIngo Molnar 52223d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 52362d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 52423d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 525c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 526cfd748aeSFrederic Weisbecker return -1; 527cfd748aeSFrederic Weisbecker } 528cfd748aeSFrederic Weisbecker 5294979d0c7SJiri Olsa if (STAT_RECORD) { 5308ceb41d7SJiri Olsa int err, fd = perf_data__fd(&perf_stat.data); 5314979d0c7SJiri Olsa 532664c98d4SJiri Olsa if (is_pipe) { 5338ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 534664c98d4SJiri Olsa } else { 5354979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 5364979d0c7SJiri Olsa fd, false); 537664c98d4SJiri Olsa } 538664c98d4SJiri Olsa 5394979d0c7SJiri Olsa if (err < 0) 5404979d0c7SJiri Olsa return err; 5418b99b1a4SJiri Olsa 5421c21e989SJiri Olsa err = perf_stat_synthesize_config(&stat_config, NULL, evsel_list, 543c2c247f2SJiri Olsa process_synthesized_event, is_pipe); 5448b99b1a4SJiri Olsa if (err < 0) 5458b99b1a4SJiri Olsa return err; 5464979d0c7SJiri Olsa } 5474979d0c7SJiri Olsa 54886470930SIngo Molnar /* 54986470930SIngo Molnar * Enable counters and exec the command: 55086470930SIngo Molnar */ 55186470930SIngo Molnar t0 = rdclock(); 55213370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 55386470930SIngo Molnar 55460666c63SLiming Wang if (forks) { 555acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 55667ccdecdSJiri Olsa enable_counters(); 557acf28922SNamhyung Kim 558f1f8ad52Syuzhoujian if (interval || timeout) { 55913370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 56013370a9bSStephane Eranian nanosleep(&ts, NULL); 561f1f8ad52Syuzhoujian if (timeout) 562f1f8ad52Syuzhoujian break; 563ba411a95SJiri Olsa process_interval(); 564db06a269Syuzhoujian if (interval_count && !(--times)) 565db06a269Syuzhoujian break; 56613370a9bSStephane Eranian } 56713370a9bSStephane Eranian } 5688a99255aSJin Yao if (child_pid != -1) 5698897a891SJiri Olsa wait4(child_pid, &status, 0, &stat_config.ru_data); 5706af206fdSArnaldo Carvalho de Melo 571f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 572c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 573f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 5746af206fdSArnaldo Carvalho de Melo return -1; 575f33cbe72SArnaldo Carvalho de Melo } 5766af206fdSArnaldo Carvalho de Melo 57733e49ea7SAndi Kleen if (WIFSIGNALED(status)) 57833e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 57960666c63SLiming Wang } else { 58067ccdecdSJiri Olsa enable_counters(); 58113370a9bSStephane Eranian while (!done) { 58213370a9bSStephane Eranian nanosleep(&ts, NULL); 58303617c22SJiri Olsa if (!is_target_alive(&target, evsel_list->core.threads)) 584cbb5df7eSJiri Olsa break; 585f1f8ad52Syuzhoujian if (timeout) 586f1f8ad52Syuzhoujian break; 587db06a269Syuzhoujian if (interval) { 588ba411a95SJiri Olsa process_interval(); 589db06a269Syuzhoujian if (interval_count && !(--times)) 590db06a269Syuzhoujian break; 591db06a269Syuzhoujian } 59213370a9bSStephane Eranian } 59360666c63SLiming Wang } 59486470930SIngo Molnar 5953df33effSMark Rutland disable_counters(); 5963df33effSMark Rutland 59786470930SIngo Molnar t1 = rdclock(); 59886470930SIngo Molnar 59954ac0b1bSJiri Olsa if (stat_config.walltime_run_table) 60054ac0b1bSJiri Olsa stat_config.walltime_run[run_idx] = t1 - t0; 601e55c14afSJiri Olsa 6029e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 60342202dd5SIngo Molnar 6043df33effSMark Rutland /* 6053df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 6063df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 6073df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 6083df33effSMark Rutland * group leaders. 6093df33effSMark Rutland */ 610f0fbb114SAndi Kleen read_counters(&(struct timespec) { .tv_nsec = t1-t0 }); 61108ef3af1SJiri Olsa 61208ef3af1SJiri Olsa /* 61308ef3af1SJiri Olsa * We need to keep evsel_list alive, because it's processed 61408ef3af1SJiri Olsa * later the evsel_list will be closed after. 61508ef3af1SJiri Olsa */ 61608ef3af1SJiri Olsa if (!STAT_RECORD) 617750b4edeSJiri Olsa evlist__close(evsel_list); 618c52b12edSArnaldo Carvalho de Melo 61942202dd5SIngo Molnar return WEXITSTATUS(status); 62042202dd5SIngo Molnar } 62142202dd5SIngo Molnar 622e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 6231f16c575SPeter Zijlstra { 6241f16c575SPeter Zijlstra int ret; 6251f16c575SPeter Zijlstra 6261f16c575SPeter Zijlstra if (pre_cmd) { 6271f16c575SPeter Zijlstra ret = system(pre_cmd); 6281f16c575SPeter Zijlstra if (ret) 6291f16c575SPeter Zijlstra return ret; 6301f16c575SPeter Zijlstra } 6311f16c575SPeter Zijlstra 6321f16c575SPeter Zijlstra if (sync_run) 6331f16c575SPeter Zijlstra sync(); 6341f16c575SPeter Zijlstra 635e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 6361f16c575SPeter Zijlstra if (ret) 6371f16c575SPeter Zijlstra return ret; 6381f16c575SPeter Zijlstra 6391f16c575SPeter Zijlstra if (post_cmd) { 6401f16c575SPeter Zijlstra ret = system(post_cmd); 6411f16c575SPeter Zijlstra if (ret) 6421f16c575SPeter Zijlstra return ret; 6431f16c575SPeter Zijlstra } 6441f16c575SPeter Zijlstra 6451f16c575SPeter Zijlstra return ret; 6461f16c575SPeter Zijlstra } 6471f16c575SPeter Zijlstra 648a5a9eac1SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 649a5a9eac1SJiri Olsa { 6500174820aSJiri Olsa /* Do not print anything if we record to the pipe. */ 6510174820aSJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 6520174820aSJiri Olsa return; 6530174820aSJiri Olsa 654c512e0eaSJiri Olsa perf_evlist__print_counters(evsel_list, &stat_config, &target, 655b64df7f3SJiri Olsa ts, argc, argv); 656a5a9eac1SJiri Olsa } 657a5a9eac1SJiri Olsa 658f7b7c26eSPeter Zijlstra static volatile int signr = -1; 659f7b7c26eSPeter Zijlstra 66086470930SIngo Molnar static void skip_signal(int signo) 66186470930SIngo Molnar { 662ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 66360666c63SLiming Wang done = 1; 66460666c63SLiming Wang 665f7b7c26eSPeter Zijlstra signr = signo; 666d07f0b12SStephane Eranian /* 667d07f0b12SStephane Eranian * render child_pid harmless 668d07f0b12SStephane Eranian * won't send SIGTERM to a random 669d07f0b12SStephane Eranian * process in case of race condition 670d07f0b12SStephane Eranian * and fast PID recycling 671d07f0b12SStephane Eranian */ 672d07f0b12SStephane Eranian child_pid = -1; 673f7b7c26eSPeter Zijlstra } 674f7b7c26eSPeter Zijlstra 675f7b7c26eSPeter Zijlstra static void sig_atexit(void) 676f7b7c26eSPeter Zijlstra { 677d07f0b12SStephane Eranian sigset_t set, oset; 678d07f0b12SStephane Eranian 679d07f0b12SStephane Eranian /* 680d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 681d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 682d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 683d07f0b12SStephane Eranian * process 684d07f0b12SStephane Eranian */ 685d07f0b12SStephane Eranian sigemptyset(&set); 686d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 687d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 688d07f0b12SStephane Eranian 689933da83aSChris Wilson if (child_pid != -1) 690933da83aSChris Wilson kill(child_pid, SIGTERM); 691933da83aSChris Wilson 692d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 693d07f0b12SStephane Eranian 694f7b7c26eSPeter Zijlstra if (signr == -1) 695f7b7c26eSPeter Zijlstra return; 696f7b7c26eSPeter Zijlstra 697f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 698f7b7c26eSPeter Zijlstra kill(getpid(), signr); 69986470930SIngo Molnar } 70086470930SIngo Molnar 7011d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 7021d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 703d7470b6aSStephane Eranian { 704d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 705d7470b6aSStephane Eranian return 0; 706d7470b6aSStephane Eranian } 707d7470b6aSStephane Eranian 70844b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 70944b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 71044b1e60aSAndi Kleen { 71144b1e60aSAndi Kleen force_metric_only = true; 7120ce5aa02SJiri Olsa stat_config.metric_only = !unset; 71344b1e60aSAndi Kleen return 0; 71444b1e60aSAndi Kleen } 71544b1e60aSAndi Kleen 716b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 717b18f3e36SAndi Kleen const char *str, 718b18f3e36SAndi Kleen int unset __maybe_unused) 719b18f3e36SAndi Kleen { 720d0192fdbSJiri Olsa return metricgroup__parse_groups(opt, str, &stat_config.metric_events); 721b18f3e36SAndi Kleen } 722b18f3e36SAndi Kleen 72351433eadSMichael Petlan static struct option stat_options[] = { 724e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 725e0547311SJiri Olsa "hardware transaction statistics"), 726e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 727e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 728e0547311SJiri Olsa parse_events_option), 729e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 730e0547311SJiri Olsa "event filter", parse_filter), 7315698f26bSJiri Olsa OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit, 732e0547311SJiri Olsa "child tasks do not inherit counters"), 733e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 734e0547311SJiri Olsa "stat events on existing process id"), 735e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 736e0547311SJiri Olsa "stat events on existing thread id"), 737e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 738e0547311SJiri Olsa "system-wide collection from all CPUs"), 739e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 740e0547311SJiri Olsa "put the counters into a counter group"), 74175998bb2SAndi Kleen OPT_BOOLEAN(0, "scale", &stat_config.scale, 74275998bb2SAndi Kleen "Use --no-scale to disable counter scaling for multiplexing"), 743e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 744e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 745d97ae04bSJiri Olsa OPT_INTEGER('r', "repeat", &stat_config.run_count, 746e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 74754ac0b1bSJiri Olsa OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table, 748e55c14afSJiri Olsa "display details about each run (only with -r option)"), 749aea0dca1SJiri Olsa OPT_BOOLEAN('n', "null", &stat_config.null_run, 750e0547311SJiri Olsa "null run - dont start any counters"), 751e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 752e0547311SJiri Olsa "detailed run - start a lot of events"), 753e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 754e0547311SJiri Olsa "call sync() before starting a run"), 755e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 756e0547311SJiri Olsa "print large numbers with thousands\' separators", 757e0547311SJiri Olsa stat__set_big_num), 758e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 759e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 760e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 761e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 762fdee335bSJiri Olsa OPT_BOOLEAN(0, "no-merge", &stat_config.no_merge, "Do not merge identical named events"), 763fa7070a3SJiri Olsa OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator", 764e0547311SJiri Olsa "print counts with custom separator"), 765e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 766e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 767e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 768e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 769e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 770e0547311SJiri Olsa "log output to fd, instead of stderr"), 771e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 772e0547311SJiri Olsa "command to run prior to the measured command"), 773e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 774e0547311SJiri Olsa "command to run after to the measured command"), 775e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 7769dc9a95fSAlexey Budankov "print counts at regular interval in ms " 7779dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 778db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 779db06a269Syuzhoujian "print counts for fixed number of times"), 780132c6ba3SJiri Olsa OPT_BOOLEAN(0, "interval-clear", &stat_config.interval_clear, 7819660e08eSJiri Olsa "clear screen in between new interval"), 782f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 783f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 784e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 785e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 786db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &stat_config.aggr_mode, 787db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 788e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 789e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 790e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 791e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 792728c0ee0SJiri Olsa OPT_UINTEGER('D', "delay", &stat_config.initial_delay, 793e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 7940ce5aa02SJiri Olsa OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL, 79544b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 79644b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 79744b1e60aSAndi Kleen "measure topdown level 1 statistics"), 798daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 799daefd0bcSKan Liang "measure SMI cost"), 800b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 801b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 802b18f3e36SAndi Kleen parse_metric_groups), 803e0547311SJiri Olsa OPT_END() 804e0547311SJiri Olsa }; 805e0547311SJiri Olsa 8066f6b6594SJiri Olsa static int perf_stat__get_socket(struct perf_stat_config *config __maybe_unused, 807f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 8081fe7a300SJiri Olsa { 8091fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 8101fe7a300SJiri Olsa } 8111fe7a300SJiri Olsa 812db5742b6SKan Liang static int perf_stat__get_die(struct perf_stat_config *config __maybe_unused, 813f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 814db5742b6SKan Liang { 815db5742b6SKan Liang return cpu_map__get_die(map, cpu, NULL); 816db5742b6SKan Liang } 817db5742b6SKan Liang 8186f6b6594SJiri Olsa static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused, 819f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 8201fe7a300SJiri Olsa { 8211fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 8221fe7a300SJiri Olsa } 8231fe7a300SJiri Olsa 824f854839bSJiri Olsa static int cpu_map__get_max(struct perf_cpu_map *map) 8251e5a2931SJiri Olsa { 8261e5a2931SJiri Olsa int i, max = -1; 8271e5a2931SJiri Olsa 8281e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 8291e5a2931SJiri Olsa if (map->map[i] > max) 8301e5a2931SJiri Olsa max = map->map[i]; 8311e5a2931SJiri Olsa } 8321e5a2931SJiri Olsa 8331e5a2931SJiri Olsa return max; 8341e5a2931SJiri Olsa } 8351e5a2931SJiri Olsa 8366f6b6594SJiri Olsa static int perf_stat__get_aggr(struct perf_stat_config *config, 837f854839bSJiri Olsa aggr_get_id_t get_id, struct perf_cpu_map *map, int idx) 8381e5a2931SJiri Olsa { 8391e5a2931SJiri Olsa int cpu; 8401e5a2931SJiri Olsa 8411e5a2931SJiri Olsa if (idx >= map->nr) 8421e5a2931SJiri Olsa return -1; 8431e5a2931SJiri Olsa 8441e5a2931SJiri Olsa cpu = map->map[idx]; 8451e5a2931SJiri Olsa 8466f6b6594SJiri Olsa if (config->cpus_aggr_map->map[cpu] == -1) 8476f6b6594SJiri Olsa config->cpus_aggr_map->map[cpu] = get_id(config, map, idx); 8481e5a2931SJiri Olsa 8496f6b6594SJiri Olsa return config->cpus_aggr_map->map[cpu]; 8501e5a2931SJiri Olsa } 8511e5a2931SJiri Olsa 8526f6b6594SJiri Olsa static int perf_stat__get_socket_cached(struct perf_stat_config *config, 853f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 8541e5a2931SJiri Olsa { 8556f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx); 8561e5a2931SJiri Olsa } 8571e5a2931SJiri Olsa 858db5742b6SKan Liang static int perf_stat__get_die_cached(struct perf_stat_config *config, 859f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 860db5742b6SKan Liang { 861db5742b6SKan Liang return perf_stat__get_aggr(config, perf_stat__get_die, map, idx); 862db5742b6SKan Liang } 863db5742b6SKan Liang 8646f6b6594SJiri Olsa static int perf_stat__get_core_cached(struct perf_stat_config *config, 865f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 8661e5a2931SJiri Olsa { 8676f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_core, map, idx); 8681e5a2931SJiri Olsa } 8691e5a2931SJiri Olsa 8704fc4d8dfSJin Yao static bool term_percore_set(void) 8714fc4d8dfSJin Yao { 87232dcd021SJiri Olsa struct evsel *counter; 8734fc4d8dfSJin Yao 8744fc4d8dfSJin Yao evlist__for_each_entry(evsel_list, counter) { 8754fc4d8dfSJin Yao if (counter->percore) 8764fc4d8dfSJin Yao return true; 8774fc4d8dfSJin Yao } 8784fc4d8dfSJin Yao 8794fc4d8dfSJin Yao return false; 8804fc4d8dfSJin Yao } 8814fc4d8dfSJin Yao 88286ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 88386ee6e18SStephane Eranian { 8841e5a2931SJiri Olsa int nr; 8851e5a2931SJiri Olsa 886421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 88786ee6e18SStephane Eranian case AGGR_SOCKET: 888f72f901dSJiri Olsa if (cpu_map__build_socket_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 88986ee6e18SStephane Eranian perror("cannot build socket map"); 89086ee6e18SStephane Eranian return -1; 89186ee6e18SStephane Eranian } 8926f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_cached; 89386ee6e18SStephane Eranian break; 894db5742b6SKan Liang case AGGR_DIE: 895f72f901dSJiri Olsa if (cpu_map__build_die_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 896db5742b6SKan Liang perror("cannot build die map"); 897db5742b6SKan Liang return -1; 898db5742b6SKan Liang } 899db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_cached; 900db5742b6SKan Liang break; 90112c08a9fSStephane Eranian case AGGR_CORE: 902f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 90312c08a9fSStephane Eranian perror("cannot build core map"); 90412c08a9fSStephane Eranian return -1; 90512c08a9fSStephane Eranian } 9066f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_cached; 90712c08a9fSStephane Eranian break; 90886ee6e18SStephane Eranian case AGGR_NONE: 9094fc4d8dfSJin Yao if (term_percore_set()) { 910f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, 9114fc4d8dfSJin Yao &stat_config.aggr_map)) { 9124fc4d8dfSJin Yao perror("cannot build core map"); 9134fc4d8dfSJin Yao return -1; 9144fc4d8dfSJin Yao } 9154fc4d8dfSJin Yao stat_config.aggr_get_id = perf_stat__get_core_cached; 9164fc4d8dfSJin Yao } 9174fc4d8dfSJin Yao break; 91886ee6e18SStephane Eranian case AGGR_GLOBAL: 91932b8af82SJiri Olsa case AGGR_THREAD: 920208df99eSJiri Olsa case AGGR_UNSET: 92186ee6e18SStephane Eranian default: 92286ee6e18SStephane Eranian break; 92386ee6e18SStephane Eranian } 9241e5a2931SJiri Olsa 9251e5a2931SJiri Olsa /* 9261e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 9271e5a2931SJiri Olsa * taking the highest cpu number to be the size of 9281e5a2931SJiri Olsa * the aggregation translate cpumap. 9291e5a2931SJiri Olsa */ 930f72f901dSJiri Olsa nr = cpu_map__get_max(evsel_list->core.cpus); 9316f6b6594SJiri Olsa stat_config.cpus_aggr_map = cpu_map__empty_new(nr + 1); 9326f6b6594SJiri Olsa return stat_config.cpus_aggr_map ? 0 : -ENOMEM; 93386ee6e18SStephane Eranian } 93486ee6e18SStephane Eranian 935544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 936544c2ae7SMasami Hiramatsu { 93738f01d8dSJiri Olsa perf_cpu_map__put(stat_config.aggr_map); 93838f01d8dSJiri Olsa perf_cpu_map__put(stat_config.cpus_aggr_map); 9396f6b6594SJiri Olsa stat_config.aggr_map = NULL; 9406f6b6594SJiri Olsa stat_config.cpus_aggr_map = NULL; 941544c2ae7SMasami Hiramatsu } 942544c2ae7SMasami Hiramatsu 943f854839bSJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *map, int idx) 94468d702f7SJiri Olsa { 94568d702f7SJiri Olsa int cpu; 94668d702f7SJiri Olsa 94768d702f7SJiri Olsa if (idx > map->nr) 94868d702f7SJiri Olsa return -1; 94968d702f7SJiri Olsa 95068d702f7SJiri Olsa cpu = map->map[idx]; 95168d702f7SJiri Olsa 952da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 95368d702f7SJiri Olsa return -1; 95468d702f7SJiri Olsa 95568d702f7SJiri Olsa return cpu; 95668d702f7SJiri Olsa } 95768d702f7SJiri Olsa 958f854839bSJiri Olsa static int perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data) 95968d702f7SJiri Olsa { 96068d702f7SJiri Olsa struct perf_env *env = data; 96168d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 96268d702f7SJiri Olsa 96368d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 96468d702f7SJiri Olsa } 96568d702f7SJiri Olsa 966f854839bSJiri Olsa static int perf_env__get_die(struct perf_cpu_map *map, int idx, void *data) 967db5742b6SKan Liang { 968db5742b6SKan Liang struct perf_env *env = data; 969db5742b6SKan Liang int die_id = -1, cpu = perf_env__get_cpu(env, map, idx); 970db5742b6SKan Liang 971db5742b6SKan Liang if (cpu != -1) { 972db5742b6SKan Liang /* 973db5742b6SKan Liang * Encode socket in bit range 15:8 974db5742b6SKan Liang * die_id is relative to socket, 975db5742b6SKan Liang * we need a global id. So we combine 976db5742b6SKan Liang * socket + die id 977db5742b6SKan Liang */ 978db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 979db5742b6SKan Liang return -1; 980db5742b6SKan Liang 981db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 982db5742b6SKan Liang return -1; 983db5742b6SKan Liang 984db5742b6SKan Liang die_id = (env->cpu[cpu].socket_id << 8) | (env->cpu[cpu].die_id & 0xff); 985db5742b6SKan Liang } 986db5742b6SKan Liang 987db5742b6SKan Liang return die_id; 988db5742b6SKan Liang } 989db5742b6SKan Liang 990f854839bSJiri Olsa static int perf_env__get_core(struct perf_cpu_map *map, int idx, void *data) 99168d702f7SJiri Olsa { 99268d702f7SJiri Olsa struct perf_env *env = data; 99368d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 99468d702f7SJiri Olsa 99568d702f7SJiri Olsa if (cpu != -1) { 99668d702f7SJiri Olsa /* 997db5742b6SKan Liang * Encode socket in bit range 31:24 998db5742b6SKan Liang * encode die id in bit range 23:16 999db5742b6SKan Liang * core_id is relative to socket and die, 100068d702f7SJiri Olsa * we need a global id. So we combine 1001db5742b6SKan Liang * socket + die id + core id 100268d702f7SJiri Olsa */ 1003db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 1004db5742b6SKan Liang return -1; 1005db5742b6SKan Liang 1006db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 1007db5742b6SKan Liang return -1; 1008db5742b6SKan Liang 1009db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].core_id >> 16, "The core id number is too big.\n")) 1010db5742b6SKan Liang return -1; 1011db5742b6SKan Liang 1012db5742b6SKan Liang core = (env->cpu[cpu].socket_id << 24) | 1013db5742b6SKan Liang (env->cpu[cpu].die_id << 16) | 1014db5742b6SKan Liang (env->cpu[cpu].core_id & 0xffff); 101568d702f7SJiri Olsa } 101668d702f7SJiri Olsa 101768d702f7SJiri Olsa return core; 101868d702f7SJiri Olsa } 101968d702f7SJiri Olsa 1020f854839bSJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus, 1021f854839bSJiri Olsa struct perf_cpu_map **sockp) 102268d702f7SJiri Olsa { 102368d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 102468d702f7SJiri Olsa } 102568d702f7SJiri Olsa 1026f854839bSJiri Olsa static int perf_env__build_die_map(struct perf_env *env, struct perf_cpu_map *cpus, 1027f854839bSJiri Olsa struct perf_cpu_map **diep) 1028db5742b6SKan Liang { 1029db5742b6SKan Liang return cpu_map__build_map(cpus, diep, perf_env__get_die, env); 1030db5742b6SKan Liang } 1031db5742b6SKan Liang 1032f854839bSJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct perf_cpu_map *cpus, 1033f854839bSJiri Olsa struct perf_cpu_map **corep) 103468d702f7SJiri Olsa { 103568d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 103668d702f7SJiri Olsa } 103768d702f7SJiri Olsa 10386f6b6594SJiri Olsa static int perf_stat__get_socket_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_socket(map, idx, &perf_stat.session->header.env); 104268d702f7SJiri Olsa } 1043db5742b6SKan Liang static int perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused, 1044f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 1045db5742b6SKan Liang { 1046db5742b6SKan Liang return perf_env__get_die(map, idx, &perf_stat.session->header.env); 1047db5742b6SKan Liang } 104868d702f7SJiri Olsa 10496f6b6594SJiri Olsa static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused, 1050f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 105168d702f7SJiri Olsa { 105268d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 105368d702f7SJiri Olsa } 105468d702f7SJiri Olsa 105568d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 105668d702f7SJiri Olsa { 105768d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 105868d702f7SJiri Olsa 105968d702f7SJiri Olsa switch (stat_config.aggr_mode) { 106068d702f7SJiri Olsa case AGGR_SOCKET: 1061f72f901dSJiri Olsa if (perf_env__build_socket_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 106268d702f7SJiri Olsa perror("cannot build socket map"); 106368d702f7SJiri Olsa return -1; 106468d702f7SJiri Olsa } 10656f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_file; 106668d702f7SJiri Olsa break; 1067db5742b6SKan Liang case AGGR_DIE: 1068f72f901dSJiri Olsa if (perf_env__build_die_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 1069db5742b6SKan Liang perror("cannot build die map"); 1070db5742b6SKan Liang return -1; 1071db5742b6SKan Liang } 1072db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_file; 1073db5742b6SKan Liang break; 107468d702f7SJiri Olsa case AGGR_CORE: 1075f72f901dSJiri Olsa if (perf_env__build_core_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 107668d702f7SJiri Olsa perror("cannot build core map"); 107768d702f7SJiri Olsa return -1; 107868d702f7SJiri Olsa } 10796f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_file; 108068d702f7SJiri Olsa break; 108168d702f7SJiri Olsa case AGGR_NONE: 108268d702f7SJiri Olsa case AGGR_GLOBAL: 108368d702f7SJiri Olsa case AGGR_THREAD: 108468d702f7SJiri Olsa case AGGR_UNSET: 108568d702f7SJiri Olsa default: 108668d702f7SJiri Olsa break; 108768d702f7SJiri Olsa } 108868d702f7SJiri Olsa 108968d702f7SJiri Olsa return 0; 109068d702f7SJiri Olsa } 109168d702f7SJiri Olsa 109244b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 109344b1e60aSAndi Kleen { 109444b1e60aSAndi Kleen int off = 0; 109544b1e60aSAndi Kleen int i; 109644b1e60aSAndi Kleen int len = 0; 109744b1e60aSAndi Kleen char *s; 109844b1e60aSAndi Kleen 109944b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 110044b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 110144b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 110244b1e60aSAndi Kleen attr[i - off] = attr[i]; 110344b1e60aSAndi Kleen } else 110444b1e60aSAndi Kleen off++; 110544b1e60aSAndi Kleen } 110644b1e60aSAndi Kleen attr[i - off] = NULL; 110744b1e60aSAndi Kleen 110844b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 110944b1e60aSAndi Kleen if (!*str) 111044b1e60aSAndi Kleen return -1; 111144b1e60aSAndi Kleen s = *str; 111244b1e60aSAndi Kleen if (i - off == 0) { 111344b1e60aSAndi Kleen *s = 0; 111444b1e60aSAndi Kleen return 0; 111544b1e60aSAndi Kleen } 111644b1e60aSAndi Kleen if (use_group) 111744b1e60aSAndi Kleen *s++ = '{'; 111844b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 111944b1e60aSAndi Kleen strcpy(s, attr[i]); 112044b1e60aSAndi Kleen s += strlen(s); 112144b1e60aSAndi Kleen *s++ = ','; 112244b1e60aSAndi Kleen } 112344b1e60aSAndi Kleen if (use_group) { 112444b1e60aSAndi Kleen s[-1] = '}'; 112544b1e60aSAndi Kleen *s = 0; 112644b1e60aSAndi Kleen } else 112744b1e60aSAndi Kleen s[-1] = 0; 112844b1e60aSAndi Kleen return 0; 112944b1e60aSAndi Kleen } 113044b1e60aSAndi Kleen 113144b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 113244b1e60aSAndi Kleen { 113344b1e60aSAndi Kleen *warn = false; 113444b1e60aSAndi Kleen return false; 113544b1e60aSAndi Kleen } 113644b1e60aSAndi Kleen 113744b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 113844b1e60aSAndi Kleen { 113944b1e60aSAndi Kleen } 114044b1e60aSAndi Kleen 11412cba3ffbSIngo Molnar /* 11422cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 11432cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 11442cba3ffbSIngo Molnar */ 11452cba3ffbSIngo Molnar static int add_default_attributes(void) 11462cba3ffbSIngo Molnar { 114744b1e60aSAndi Kleen int err; 11489dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1149b070a547SArnaldo Carvalho de Melo 1150b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1151b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1152b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1153b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1154b070a547SArnaldo Carvalho de Melo 1155b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 11569dec4473SAndi Kleen }; 11579dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1158b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 11599dec4473SAndi Kleen }; 11609dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1161b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 11629dec4473SAndi Kleen }; 11639dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1164b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1165b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1166b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1167b070a547SArnaldo Carvalho de Melo 1168b070a547SArnaldo Carvalho de Melo }; 1169b070a547SArnaldo Carvalho de Melo 1170b070a547SArnaldo Carvalho de Melo /* 1171b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1172b070a547SArnaldo Carvalho de Melo */ 1173b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1174b070a547SArnaldo Carvalho de Melo 1175b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1176b070a547SArnaldo Carvalho de Melo .config = 1177b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1178b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1179b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1180b070a547SArnaldo Carvalho de Melo 1181b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1182b070a547SArnaldo Carvalho de Melo .config = 1183b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1184b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1185b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1186b070a547SArnaldo Carvalho de Melo 1187b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1188b070a547SArnaldo Carvalho de Melo .config = 1189b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1190b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1191b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1192b070a547SArnaldo Carvalho de Melo 1193b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1194b070a547SArnaldo Carvalho de Melo .config = 1195b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1196b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1197b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1198b070a547SArnaldo Carvalho de Melo }; 1199b070a547SArnaldo Carvalho de Melo 1200b070a547SArnaldo Carvalho de Melo /* 1201b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1202b070a547SArnaldo Carvalho de Melo */ 1203b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1204b070a547SArnaldo Carvalho de Melo 1205b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1206b070a547SArnaldo Carvalho de Melo .config = 1207b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1208b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1209b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1210b070a547SArnaldo Carvalho de Melo 1211b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1212b070a547SArnaldo Carvalho de Melo .config = 1213b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1214b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1215b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1216b070a547SArnaldo Carvalho de Melo 1217b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1218b070a547SArnaldo Carvalho de Melo .config = 1219b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1220b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1221b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1222b070a547SArnaldo Carvalho de Melo 1223b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1224b070a547SArnaldo Carvalho de Melo .config = 1225b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1226b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1227b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1228b070a547SArnaldo Carvalho de Melo 1229b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1230b070a547SArnaldo Carvalho de Melo .config = 1231b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1232b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1233b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1234b070a547SArnaldo Carvalho de Melo 1235b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1236b070a547SArnaldo Carvalho de Melo .config = 1237b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1238b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1239b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1240b070a547SArnaldo Carvalho de Melo 1241b070a547SArnaldo Carvalho de Melo }; 1242b070a547SArnaldo Carvalho de Melo 1243b070a547SArnaldo Carvalho de Melo /* 1244b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1245b070a547SArnaldo Carvalho de Melo */ 1246b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1247b070a547SArnaldo Carvalho de Melo 1248b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1249b070a547SArnaldo Carvalho de Melo .config = 1250b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1251b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1252b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1253b070a547SArnaldo Carvalho de Melo 1254b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1255b070a547SArnaldo Carvalho de Melo .config = 1256b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1257b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1258b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1259b070a547SArnaldo Carvalho de Melo }; 1260a5cfa621SJiri Olsa struct parse_events_error errinfo; 1261b070a547SArnaldo Carvalho de Melo 12622cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 1263aea0dca1SJiri Olsa if (stat_config.null_run) 12642cba3ffbSIngo Molnar return 0; 12652cba3ffbSIngo Molnar 12664cabc3d1SAndi Kleen if (transaction_run) { 1267742d92ffSThomas Richter /* Handle -T as -M transaction. Once platform specific metrics 1268742d92ffSThomas Richter * support has been added to the json files, all archictures 1269742d92ffSThomas Richter * will use this approach. To determine transaction support 1270742d92ffSThomas Richter * on an architecture test for such a metric name. 1271742d92ffSThomas Richter */ 1272742d92ffSThomas Richter if (metricgroup__has_metric("transaction")) { 1273742d92ffSThomas Richter struct option opt = { .value = &evsel_list }; 1274742d92ffSThomas Richter 1275742d92ffSThomas Richter return metricgroup__parse_groups(&opt, "transaction", 1276d0192fdbSJiri Olsa &stat_config.metric_events); 1277742d92ffSThomas Richter } 1278742d92ffSThomas Richter 12794cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 12804cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1281fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 1282fca32340SThomas Richter &errinfo); 12834cabc3d1SAndi Kleen else 1284fca32340SThomas Richter err = parse_events(evsel_list, 1285fca32340SThomas Richter transaction_limited_attrs, 1286fca32340SThomas Richter &errinfo); 1287a454742cSJiri Olsa if (err) { 12884cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 1289a5cfa621SJiri Olsa parse_events_print_error(&errinfo, transaction_attrs); 12904cabc3d1SAndi Kleen return -1; 12914cabc3d1SAndi Kleen } 12924cabc3d1SAndi Kleen return 0; 12934cabc3d1SAndi Kleen } 12944cabc3d1SAndi Kleen 1295daefd0bcSKan Liang if (smi_cost) { 1296daefd0bcSKan Liang int smi; 1297daefd0bcSKan Liang 1298daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 1299daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 1300daefd0bcSKan Liang return -1; 1301daefd0bcSKan Liang } 1302daefd0bcSKan Liang 1303daefd0bcSKan Liang if (!smi) { 1304daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 1305daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 1306daefd0bcSKan Liang return -1; 1307daefd0bcSKan Liang } 1308daefd0bcSKan Liang smi_reset = true; 1309daefd0bcSKan Liang } 1310daefd0bcSKan Liang 1311daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 1312daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 1313daefd0bcSKan Liang if (!force_metric_only) 13140ce5aa02SJiri Olsa stat_config.metric_only = true; 1315a5cfa621SJiri Olsa err = parse_events(evsel_list, smi_cost_attrs, &errinfo); 1316daefd0bcSKan Liang } else { 1317daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 1318daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 1319a5cfa621SJiri Olsa parse_events_print_error(&errinfo, smi_cost_attrs); 1320daefd0bcSKan Liang return -1; 1321daefd0bcSKan Liang } 1322daefd0bcSKan Liang if (err) { 1323daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 1324daefd0bcSKan Liang return -1; 1325daefd0bcSKan Liang } 1326daefd0bcSKan Liang return 0; 1327daefd0bcSKan Liang } 1328daefd0bcSKan Liang 132944b1e60aSAndi Kleen if (topdown_run) { 133044b1e60aSAndi Kleen char *str = NULL; 133144b1e60aSAndi Kleen bool warn = false; 133244b1e60aSAndi Kleen 133344b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 133444b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 133544b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 133644b1e60aSAndi Kleen return -1; 133744b1e60aSAndi Kleen } 133844b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 133944b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 134044b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 134144b1e60aSAndi Kleen return -1; 134244b1e60aSAndi Kleen } 134344b1e60aSAndi Kleen 134444b1e60aSAndi Kleen if (!force_metric_only) 13450ce5aa02SJiri Olsa stat_config.metric_only = true; 134644b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 134744b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 134844b1e60aSAndi Kleen pr_err("Out of memory\n"); 134944b1e60aSAndi Kleen return -1; 135044b1e60aSAndi Kleen } 135144b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 135244b1e60aSAndi Kleen if (warn) 135344b1e60aSAndi Kleen arch_topdown_group_warn(); 1354a5cfa621SJiri Olsa err = parse_events(evsel_list, str, &errinfo); 135544b1e60aSAndi Kleen if (err) { 135644b1e60aSAndi Kleen fprintf(stderr, 135744b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 135844b1e60aSAndi Kleen str, err); 1359a5cfa621SJiri Olsa parse_events_print_error(&errinfo, str); 1360c74b0503SLeo Yan free(str); 136144b1e60aSAndi Kleen return -1; 136244b1e60aSAndi Kleen } 136344b1e60aSAndi Kleen } else { 136444b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 136544b1e60aSAndi Kleen return -1; 136644b1e60aSAndi Kleen } 136744b1e60aSAndi Kleen free(str); 136844b1e60aSAndi Kleen } 136944b1e60aSAndi Kleen 13706484d2f9SJiri Olsa if (!evsel_list->core.nr_entries) { 1371a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 1372a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 1373a1f3d567SNamhyung Kim 13749dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 13759dec4473SAndi Kleen return -1; 13769dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 13779dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 13789dec4473SAndi Kleen frontend_attrs) < 0) 13799dec4473SAndi Kleen return -1; 13809dec4473SAndi Kleen } 13819dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 13829dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 13839dec4473SAndi Kleen backend_attrs) < 0) 13849dec4473SAndi Kleen return -1; 13859dec4473SAndi Kleen } 13869dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 13872cba3ffbSIngo Molnar return -1; 13882cba3ffbSIngo Molnar } 13892cba3ffbSIngo Molnar 13902cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 13912cba3ffbSIngo Molnar 13922cba3ffbSIngo Molnar if (detailed_run < 1) 13932cba3ffbSIngo Molnar return 0; 13942cba3ffbSIngo Molnar 13952cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 139679695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 13972cba3ffbSIngo Molnar return -1; 13982cba3ffbSIngo Molnar 13992cba3ffbSIngo Molnar if (detailed_run < 2) 14002cba3ffbSIngo Molnar return 0; 14012cba3ffbSIngo Molnar 14022cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 140379695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 14042cba3ffbSIngo Molnar return -1; 14052cba3ffbSIngo Molnar 14062cba3ffbSIngo Molnar if (detailed_run < 3) 14072cba3ffbSIngo Molnar return 0; 14082cba3ffbSIngo Molnar 14092cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 141079695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 14112cba3ffbSIngo Molnar } 14122cba3ffbSIngo Molnar 14138a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 14144979d0c7SJiri Olsa "perf stat record [<options>]", 14154979d0c7SJiri Olsa NULL, 14164979d0c7SJiri Olsa }; 14174979d0c7SJiri Olsa 14183ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 14193ba78bd0SJiri Olsa { 14203ba78bd0SJiri Olsa int feat; 14213ba78bd0SJiri Olsa 14223ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 14233ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 14243ba78bd0SJiri Olsa 14258002a63fSJiri Olsa perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT); 14263ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 14273ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 14283ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 14293ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 14303ba78bd0SJiri Olsa } 14313ba78bd0SJiri Olsa 14324979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 14334979d0c7SJiri Olsa { 14344979d0c7SJiri Olsa struct perf_session *session; 14358ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 14364979d0c7SJiri Olsa 14378a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 14384979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 14394979d0c7SJiri Olsa 14404979d0c7SJiri Olsa if (output_name) 14412d4f2799SJiri Olsa data->path = output_name; 14424979d0c7SJiri Olsa 1443d97ae04bSJiri Olsa if (stat_config.run_count != 1 || forever) { 1444e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1445e9d6db8eSJiri Olsa return -1; 1446e9d6db8eSJiri Olsa } 1447e9d6db8eSJiri Olsa 14488ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 14494979d0c7SJiri Olsa if (session == NULL) { 14504979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 14514979d0c7SJiri Olsa return -1; 14524979d0c7SJiri Olsa } 14534979d0c7SJiri Olsa 14543ba78bd0SJiri Olsa init_features(session); 14553ba78bd0SJiri Olsa 14564979d0c7SJiri Olsa session->evlist = evsel_list; 14574979d0c7SJiri Olsa perf_stat.session = session; 14584979d0c7SJiri Olsa perf_stat.record = true; 14594979d0c7SJiri Olsa return argc; 14604979d0c7SJiri Olsa } 14614979d0c7SJiri Olsa 146289f1688aSJiri Olsa static int process_stat_round_event(struct perf_session *session, 146389f1688aSJiri Olsa union perf_event *event) 1464a56f9390SJiri Olsa { 1465e3b03b6cSAndi Kleen struct stat_round_event *stat_round = &event->stat_round; 146632dcd021SJiri Olsa struct evsel *counter; 1467a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 1468a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 1469a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 1470a56f9390SJiri Olsa 1471e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1472a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 1473a56f9390SJiri Olsa 1474e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 1475e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 1476a56f9390SJiri Olsa 1477e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 1478bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 1479bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 1480a56f9390SJiri Olsa ts = &tsh; 1481a56f9390SJiri Olsa } 1482a56f9390SJiri Olsa 1483a56f9390SJiri Olsa print_counters(ts, argc, argv); 1484a56f9390SJiri Olsa return 0; 1485a56f9390SJiri Olsa } 1486a56f9390SJiri Olsa 148762ba18baSJiri Olsa static 148889f1688aSJiri Olsa int process_stat_config_event(struct perf_session *session, 148989f1688aSJiri Olsa union perf_event *event) 149062ba18baSJiri Olsa { 149189f1688aSJiri Olsa struct perf_tool *tool = session->tool; 149268d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 149368d702f7SJiri Olsa 149462ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 149568d702f7SJiri Olsa 149689af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 149789af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 149889af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 149989af4e05SJiri Olsa return 0; 150089af4e05SJiri Olsa } 150189af4e05SJiri Olsa 150289af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 150389af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 150489af4e05SJiri Olsa 15058ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 150668d702f7SJiri Olsa perf_stat_init_aggr_mode(); 150768d702f7SJiri Olsa else 150868d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 150968d702f7SJiri Olsa 151062ba18baSJiri Olsa return 0; 151162ba18baSJiri Olsa } 151262ba18baSJiri Olsa 15131975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 15141975d36eSJiri Olsa { 15151975d36eSJiri Olsa if (!st->cpus || !st->threads) 15161975d36eSJiri Olsa return 0; 15171975d36eSJiri Olsa 15181975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 15191975d36eSJiri Olsa return -EINVAL; 15201975d36eSJiri Olsa 1521453fa030SJiri Olsa perf_evlist__set_maps(&evsel_list->core, st->cpus, st->threads); 15221975d36eSJiri Olsa 15231975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 15241975d36eSJiri Olsa return -ENOMEM; 15251975d36eSJiri Olsa 15261975d36eSJiri Olsa st->maps_allocated = true; 15271975d36eSJiri Olsa return 0; 15281975d36eSJiri Olsa } 15291975d36eSJiri Olsa 15301975d36eSJiri Olsa static 153189f1688aSJiri Olsa int process_thread_map_event(struct perf_session *session, 153289f1688aSJiri Olsa union perf_event *event) 15331975d36eSJiri Olsa { 153489f1688aSJiri Olsa struct perf_tool *tool = session->tool; 15351975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 15361975d36eSJiri Olsa 15371975d36eSJiri Olsa if (st->threads) { 15381975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 15391975d36eSJiri Olsa return 0; 15401975d36eSJiri Olsa } 15411975d36eSJiri Olsa 15421975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 15431975d36eSJiri Olsa if (!st->threads) 15441975d36eSJiri Olsa return -ENOMEM; 15451975d36eSJiri Olsa 15461975d36eSJiri Olsa return set_maps(st); 15471975d36eSJiri Olsa } 15481975d36eSJiri Olsa 15491975d36eSJiri Olsa static 155089f1688aSJiri Olsa int process_cpu_map_event(struct perf_session *session, 155189f1688aSJiri Olsa union perf_event *event) 15521975d36eSJiri Olsa { 155389f1688aSJiri Olsa struct perf_tool *tool = session->tool; 15541975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 1555f854839bSJiri Olsa struct perf_cpu_map *cpus; 15561975d36eSJiri Olsa 15571975d36eSJiri Olsa if (st->cpus) { 15581975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 15591975d36eSJiri Olsa return 0; 15601975d36eSJiri Olsa } 15611975d36eSJiri Olsa 15621975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 15631975d36eSJiri Olsa if (!cpus) 15641975d36eSJiri Olsa return -ENOMEM; 15651975d36eSJiri Olsa 15661975d36eSJiri Olsa st->cpus = cpus; 15671975d36eSJiri Olsa return set_maps(st); 15681975d36eSJiri Olsa } 15691975d36eSJiri Olsa 157056739444SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 157156739444SJin Yao { 157256739444SJin Yao int i; 157356739444SJin Yao 157456739444SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 157556739444SJin Yao if (!config->stats) 157656739444SJin Yao return -1; 157756739444SJin Yao 157856739444SJin Yao config->stats_num = nthreads; 157956739444SJin Yao 158056739444SJin Yao for (i = 0; i < nthreads; i++) 158156739444SJin Yao runtime_stat__init(&config->stats[i]); 158256739444SJin Yao 158356739444SJin Yao return 0; 158456739444SJin Yao } 158556739444SJin Yao 158656739444SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 158756739444SJin Yao { 158856739444SJin Yao int i; 158956739444SJin Yao 159056739444SJin Yao if (!config->stats) 159156739444SJin Yao return; 159256739444SJin Yao 159356739444SJin Yao for (i = 0; i < config->stats_num; i++) 159456739444SJin Yao runtime_stat__exit(&config->stats[i]); 159556739444SJin Yao 1596d8f9da24SArnaldo Carvalho de Melo zfree(&config->stats); 159756739444SJin Yao } 159856739444SJin Yao 15998a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 1600ba6039b6SJiri Olsa "perf stat report [<options>]", 1601ba6039b6SJiri Olsa NULL, 1602ba6039b6SJiri Olsa }; 1603ba6039b6SJiri Olsa 1604ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 1605ba6039b6SJiri Olsa .tool = { 1606ba6039b6SJiri Olsa .attr = perf_event__process_attr, 1607fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 16081975d36eSJiri Olsa .thread_map = process_thread_map_event, 16091975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 161062ba18baSJiri Olsa .stat_config = process_stat_config_event, 1611a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 1612a56f9390SJiri Olsa .stat_round = process_stat_round_event, 1613ba6039b6SJiri Olsa }, 161489af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 1615ba6039b6SJiri Olsa }; 1616ba6039b6SJiri Olsa 1617ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 1618ba6039b6SJiri Olsa { 1619ba6039b6SJiri Olsa struct perf_session *session; 1620ba6039b6SJiri Olsa const struct option options[] = { 1621ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 162289af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 162389af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1624db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &perf_stat.aggr_mode, 1625db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 162689af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 162789af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 162889af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 162989af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1630ba6039b6SJiri Olsa OPT_END() 1631ba6039b6SJiri Olsa }; 1632ba6039b6SJiri Olsa struct stat st; 1633ba6039b6SJiri Olsa int ret; 1634ba6039b6SJiri Olsa 16358a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 1636ba6039b6SJiri Olsa 1637ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 1638ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1639ba6039b6SJiri Olsa input_name = "-"; 1640ba6039b6SJiri Olsa else 1641ba6039b6SJiri Olsa input_name = "perf.data"; 1642ba6039b6SJiri Olsa } 1643ba6039b6SJiri Olsa 16442d4f2799SJiri Olsa perf_stat.data.path = input_name; 16458ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 1646ba6039b6SJiri Olsa 16478ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 1648ba6039b6SJiri Olsa if (session == NULL) 1649ba6039b6SJiri Olsa return -1; 1650ba6039b6SJiri Olsa 1651ba6039b6SJiri Olsa perf_stat.session = session; 1652ba6039b6SJiri Olsa stat_config.output = stderr; 1653ba6039b6SJiri Olsa evsel_list = session->evlist; 1654ba6039b6SJiri Olsa 1655ba6039b6SJiri Olsa ret = perf_session__process_events(session); 1656ba6039b6SJiri Olsa if (ret) 1657ba6039b6SJiri Olsa return ret; 1658ba6039b6SJiri Olsa 1659ba6039b6SJiri Olsa perf_session__delete(session); 1660ba6039b6SJiri Olsa return 0; 1661ba6039b6SJiri Olsa } 1662ba6039b6SJiri Olsa 1663e3ba76deSJiri Olsa static void setup_system_wide(int forks) 1664e3ba76deSJiri Olsa { 1665e3ba76deSJiri Olsa /* 1666e3ba76deSJiri Olsa * Make system wide (-a) the default target if 1667e3ba76deSJiri Olsa * no target was specified and one of following 1668e3ba76deSJiri Olsa * conditions is met: 1669e3ba76deSJiri Olsa * 1670e3ba76deSJiri Olsa * - there's no workload specified 1671e3ba76deSJiri Olsa * - there is workload specified but all requested 1672e3ba76deSJiri Olsa * events are system wide events 1673e3ba76deSJiri Olsa */ 1674e3ba76deSJiri Olsa if (!target__none(&target)) 1675e3ba76deSJiri Olsa return; 1676e3ba76deSJiri Olsa 1677e3ba76deSJiri Olsa if (!forks) 1678e3ba76deSJiri Olsa target.system_wide = true; 1679e3ba76deSJiri Olsa else { 168032dcd021SJiri Olsa struct evsel *counter; 1681e3ba76deSJiri Olsa 1682e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 1683e3ba76deSJiri Olsa if (!counter->system_wide) 1684e3ba76deSJiri Olsa return; 1685e3ba76deSJiri Olsa } 1686e3ba76deSJiri Olsa 16876484d2f9SJiri Olsa if (evsel_list->core.nr_entries) 1688e3ba76deSJiri Olsa target.system_wide = true; 1689e3ba76deSJiri Olsa } 1690e3ba76deSJiri Olsa } 1691e3ba76deSJiri Olsa 1692b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 169386470930SIngo Molnar { 1694b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1695b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1696b070a547SArnaldo Carvalho de Melo NULL 1697b070a547SArnaldo Carvalho de Melo }; 1698cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 16994aa9015fSStephane Eranian const char *mode; 17005821522eSJiri Olsa FILE *output = stderr; 1701f1f8ad52Syuzhoujian unsigned int interval, timeout; 1702ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 170342202dd5SIngo Molnar 17045af52b51SStephane Eranian setlocale(LC_ALL, ""); 17055af52b51SStephane Eranian 17060f98b11cSJiri Olsa evsel_list = evlist__new(); 1707361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1708361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1709361c99a6SArnaldo Carvalho de Melo 17101669e509SWang Nan parse_events__shrink_config_terms(); 171151433eadSMichael Petlan 171251433eadSMichael Petlan /* String-parsing callback-based options would segfault when negated */ 171351433eadSMichael Petlan set_option_flag(stat_options, 'e', "event", PARSE_OPT_NONEG); 171451433eadSMichael Petlan set_option_flag(stat_options, 'M', "metrics", PARSE_OPT_NONEG); 171551433eadSMichael Petlan set_option_flag(stat_options, 'G', "cgroup", PARSE_OPT_NONEG); 171651433eadSMichael Petlan 17174979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 17184979d0c7SJiri Olsa (const char **) stat_usage, 1719a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 172037932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 1721fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 1722d7470b6aSStephane Eranian 1723fa7070a3SJiri Olsa if (stat_config.csv_sep) { 1724fa7070a3SJiri Olsa stat_config.csv_output = true; 1725fa7070a3SJiri Olsa if (!strcmp(stat_config.csv_sep, "\\t")) 1726fa7070a3SJiri Olsa stat_config.csv_sep = "\t"; 17276edb78a2SJiri Olsa } else 1728fa7070a3SJiri Olsa stat_config.csv_sep = DEFAULT_SEPARATOR; 17296edb78a2SJiri Olsa 17304979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 17314979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 17324979d0c7SJiri Olsa if (argc < 0) 17334979d0c7SJiri Olsa return -1; 1734ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 1735ba6039b6SJiri Olsa return __cmd_report(argc, argv); 17364979d0c7SJiri Olsa 1737ec0d3d1fSJiri Olsa interval = stat_config.interval; 1738f1f8ad52Syuzhoujian timeout = stat_config.timeout; 1739ec0d3d1fSJiri Olsa 17404979d0c7SJiri Olsa /* 17414979d0c7SJiri Olsa * For record command the -o is already taken care of. 17424979d0c7SJiri Olsa */ 17434979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 17444aa9015fSStephane Eranian output = NULL; 17454aa9015fSStephane Eranian 174656f3bae7SJim Cromie if (output_name && output_fd) { 174756f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1748e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 1749e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 1750cc03c542SNamhyung Kim goto out; 175156f3bae7SJim Cromie } 1752fc3e4d07SStephane Eranian 17530ce5aa02SJiri Olsa if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) { 175454b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 175554b50916SAndi Kleen goto out; 175654b50916SAndi Kleen } 175754b50916SAndi Kleen 1758d97ae04bSJiri Olsa if (stat_config.metric_only && stat_config.run_count > 1) { 175954b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 176054b50916SAndi Kleen goto out; 176154b50916SAndi Kleen } 176254b50916SAndi Kleen 176354ac0b1bSJiri Olsa if (stat_config.walltime_run_table && stat_config.run_count <= 1) { 1764e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 1765e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1766e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 1767e55c14afSJiri Olsa goto out; 1768e55c14afSJiri Olsa } 1769e55c14afSJiri Olsa 1770fc3e4d07SStephane Eranian if (output_fd < 0) { 1771fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 1772e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 1773cc03c542SNamhyung Kim goto out; 1774fc3e4d07SStephane Eranian } 1775fc3e4d07SStephane Eranian 17764aa9015fSStephane Eranian if (!output) { 17774aa9015fSStephane Eranian struct timespec tm; 17784aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 17794aa9015fSStephane Eranian 17804aa9015fSStephane Eranian output = fopen(output_name, mode); 17814aa9015fSStephane Eranian if (!output) { 17824aa9015fSStephane Eranian perror("failed to create output file"); 1783fceda7feSDavid Ahern return -1; 17844aa9015fSStephane Eranian } 17854aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 17864aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 1787fc3e4d07SStephane Eranian } else if (output_fd > 0) { 178856f3bae7SJim Cromie mode = append_file ? "a" : "w"; 178956f3bae7SJim Cromie output = fdopen(output_fd, mode); 179056f3bae7SJim Cromie if (!output) { 179156f3bae7SJim Cromie perror("Failed opening logfd"); 179256f3bae7SJim Cromie return -errno; 179356f3bae7SJim Cromie } 17944aa9015fSStephane Eranian } 17954aa9015fSStephane Eranian 17965821522eSJiri Olsa stat_config.output = output; 17975821522eSJiri Olsa 1798d7470b6aSStephane Eranian /* 1799d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 1800d7470b6aSStephane Eranian */ 1801fa7070a3SJiri Olsa if (stat_config.csv_output) { 180261a9f324SJim Cromie /* User explicitly passed -B? */ 1803d7470b6aSStephane Eranian if (big_num_opt == 1) { 1804d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 1805e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 1806e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 1807cc03c542SNamhyung Kim goto out; 1808d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 180934ff0866SJiri Olsa stat_config.big_num = false; 1810d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 181134ff0866SJiri Olsa stat_config.big_num = false; 1812d7470b6aSStephane Eranian 1813e3ba76deSJiri Olsa setup_system_wide(argc); 1814ac3063bdSDavid Ahern 18150ce2da14SJiri Olsa /* 18160ce2da14SJiri Olsa * Display user/system times only for single 18170ce2da14SJiri Olsa * run and when there's specified tracee. 18180ce2da14SJiri Olsa */ 1819d97ae04bSJiri Olsa if ((stat_config.run_count == 1) && target__none(&target)) 18208897a891SJiri Olsa stat_config.ru_display = true; 18210ce2da14SJiri Olsa 1822d97ae04bSJiri Olsa if (stat_config.run_count < 0) { 1823cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 1824e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1825cc03c542SNamhyung Kim goto out; 1826d97ae04bSJiri Olsa } else if (stat_config.run_count == 0) { 1827a7e191c3SFrederik Deweerdt forever = true; 1828d97ae04bSJiri Olsa stat_config.run_count = 1; 1829a7e191c3SFrederik Deweerdt } 183086470930SIngo Molnar 183154ac0b1bSJiri Olsa if (stat_config.walltime_run_table) { 183254ac0b1bSJiri Olsa stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0])); 183354ac0b1bSJiri Olsa if (!stat_config.walltime_run) { 1834e55c14afSJiri Olsa pr_err("failed to setup -r option"); 1835e55c14afSJiri Olsa goto out; 1836e55c14afSJiri Olsa } 1837e55c14afSJiri Olsa } 1838e55c14afSJiri Olsa 18391d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 18401d9f8d1bSJin Yao !target__has_task(&target)) { 18411d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 18421d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 18431d9f8d1bSJin Yao "available when monitoring via -p -t -a " 18441d9f8d1bSJin Yao "options or only --per-thread.\n"); 1845e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 1846e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 184732b8af82SJiri Olsa goto out; 184832b8af82SJiri Olsa } 18491d9f8d1bSJin Yao } 185032b8af82SJiri Olsa 185132b8af82SJiri Olsa /* 185232b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 185332b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 185432b8af82SJiri Olsa */ 1855421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 1856421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 1857602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 1858023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 1859023695d9SStephane Eranian "modes only available in system-wide mode\n"); 1860023695d9SStephane Eranian 1861e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 1862e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 1863e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1864cc03c542SNamhyung Kim goto out; 1865d7e7a451SStephane Eranian } 1866d7e7a451SStephane Eranian 18672cba3ffbSIngo Molnar if (add_default_attributes()) 1868c6264defSIngo Molnar goto out; 186986470930SIngo Molnar 1870602ad878SArnaldo Carvalho de Melo target__validate(&target); 18715c98d466SArnaldo Carvalho de Melo 18721d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 18731d9f8d1bSJin Yao target.per_thread = true; 18741d9f8d1bSJin Yao 187577a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 1876602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 18775c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 1878e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 1879e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 1880602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 188160d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 1882e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 1883e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1884cc03c542SNamhyung Kim } 1885cc03c542SNamhyung Kim goto out; 188660d567e2SArnaldo Carvalho de Melo } 188732b8af82SJiri Olsa 188832b8af82SJiri Olsa /* 188932b8af82SJiri Olsa * Initialize thread_map with comm names, 189032b8af82SJiri Olsa * so we could print it out on output. 189132b8af82SJiri Olsa */ 189256739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 189303617c22SJiri Olsa thread_map__read_comms(evsel_list->core.threads); 189456739444SJin Yao if (target.system_wide) { 189556739444SJin Yao if (runtime_stat_new(&stat_config, 189603617c22SJiri Olsa thread_map__nr(evsel_list->core.threads))) { 189756739444SJin Yao goto out; 189856739444SJin Yao } 189956739444SJin Yao } 190056739444SJin Yao } 190132b8af82SJiri Olsa 1902db06a269Syuzhoujian if (stat_config.times && interval) 1903db06a269Syuzhoujian interval_count = true; 1904db06a269Syuzhoujian else if (stat_config.times && !interval) { 1905db06a269Syuzhoujian pr_err("interval-count option should be used together with " 1906db06a269Syuzhoujian "interval-print.\n"); 1907db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 1908db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 1909db06a269Syuzhoujian goto out; 1910db06a269Syuzhoujian } 1911c45c6ea2SStephane Eranian 1912f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 1913f1f8ad52Syuzhoujian if (timeout < 10) { 1914f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 1915f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 1916f1f8ad52Syuzhoujian goto out; 1917f1f8ad52Syuzhoujian } else 1918f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 1919f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 1920f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 1921f1f8ad52Syuzhoujian } 1922f1f8ad52Syuzhoujian if (timeout && interval) { 1923f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 1924f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 1925f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 1926f1f8ad52Syuzhoujian goto out; 1927f1f8ad52Syuzhoujian } 1928f1f8ad52Syuzhoujian 1929d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 193003ad9747SArnaldo Carvalho de Melo goto out; 1931d6d901c2SZhang, Yanmin 193286ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 193303ad9747SArnaldo Carvalho de Melo goto out; 193486ee6e18SStephane Eranian 193586470930SIngo Molnar /* 19367d9ad16aSJiri Olsa * Set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 19377d9ad16aSJiri Olsa * while avoiding that older tools show confusing messages. 19387d9ad16aSJiri Olsa * 19397d9ad16aSJiri Olsa * However for pipe sessions we need to keep it zero, 19407d9ad16aSJiri Olsa * because script's perf_evsel__check_attr is triggered 19417d9ad16aSJiri Olsa * by attr->sample_type != 0, and we can't run it on 19427d9ad16aSJiri Olsa * stat sessions. 19437d9ad16aSJiri Olsa */ 19447d9ad16aSJiri Olsa stat_config.identifier = !(STAT_RECORD && perf_stat.data.is_pipe); 19457d9ad16aSJiri Olsa 19467d9ad16aSJiri Olsa /* 194786470930SIngo Molnar * We dont want to block the signals - that would cause 194886470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 194986470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 195086470930SIngo Molnar * task, but being ignored by perf stat itself: 195186470930SIngo Molnar */ 1952f7b7c26eSPeter Zijlstra atexit(sig_atexit); 1953a7e191c3SFrederik Deweerdt if (!forever) 195486470930SIngo Molnar signal(SIGINT, skip_signal); 195513370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 195686470930SIngo Molnar signal(SIGALRM, skip_signal); 195786470930SIngo Molnar signal(SIGABRT, skip_signal); 195886470930SIngo Molnar 195942202dd5SIngo Molnar status = 0; 1960d97ae04bSJiri Olsa for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) { 1961d97ae04bSJiri Olsa if (stat_config.run_count != 1 && verbose > 0) 19624aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 19634aa9015fSStephane Eranian run_idx + 1); 1964f9cef0a9SIngo Molnar 1965e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 1966a7e191c3SFrederik Deweerdt if (forever && status != -1) { 1967d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1968254ecbc7SJiri Olsa perf_stat__reset_stats(); 1969a7e191c3SFrederik Deweerdt } 197042202dd5SIngo Molnar } 197142202dd5SIngo Molnar 1972a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 1973d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1974d134ffb9SArnaldo Carvalho de Melo 19754979d0c7SJiri Olsa if (STAT_RECORD) { 19764979d0c7SJiri Olsa /* 19774979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 19784979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 19794979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 19804979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 19814979d0c7SJiri Olsa * 19824979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 19838b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 19848b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 19858b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 19868b99b1a4SJiri Olsa * tools remain -acme 19874979d0c7SJiri Olsa */ 19888ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 19894979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 19904979d0c7SJiri Olsa process_synthesized_event, 19914979d0c7SJiri Olsa &perf_stat.session->machines.host); 19924979d0c7SJiri Olsa if (err) { 19934979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 19944979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 19954979d0c7SJiri Olsa } 19964979d0c7SJiri Olsa 19977aad0c32SJiri Olsa if (!interval) { 19987aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 19997aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 20007aad0c32SJiri Olsa } 20017aad0c32SJiri Olsa 20028ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 20034979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 20044979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2005664c98d4SJiri Olsa } 20064979d0c7SJiri Olsa 2007750b4edeSJiri Olsa evlist__close(evsel_list); 20084979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 20094979d0c7SJiri Olsa } 20104979d0c7SJiri Olsa 2011544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2012d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 20130015e2e1SArnaldo Carvalho de Melo out: 2014d8f9da24SArnaldo Carvalho de Melo zfree(&stat_config.walltime_run); 2015e55c14afSJiri Olsa 2016daefd0bcSKan Liang if (smi_cost && smi_reset) 2017daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2018daefd0bcSKan Liang 2019c12995a5SJiri Olsa evlist__delete(evsel_list); 202056739444SJin Yao 202156739444SJin Yao runtime_stat_delete(&stat_config); 202256739444SJin Yao 202342202dd5SIngo Molnar return status; 202486470930SIngo Molnar } 2025