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" 4686470930SIngo Molnar #include "util/util.h" 474b6ab94eSJosh Poimboeuf #include <subcmd/parse-options.h> 4886470930SIngo Molnar #include "util/parse-events.h" 494cabc3d1SAndi Kleen #include "util/pmu.h" 508f28827aSFrederic Weisbecker #include "util/event.h" 51361c99a6SArnaldo Carvalho de Melo #include "util/evlist.h" 5269aad6f1SArnaldo Carvalho de Melo #include "util/evsel.h" 538f28827aSFrederic Weisbecker #include "util/debug.h" 54a5d243d0SIngo Molnar #include "util/color.h" 550007eceaSXiao Guangrong #include "util/stat.h" 5660666c63SLiming Wang #include "util/header.h" 57a12b51c4SPaul Mackerras #include "util/cpumap.h" 58d6d901c2SZhang, Yanmin #include "util/thread.h" 59fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 60d809560bSJiri Olsa #include "util/counts.h" 6144b1e60aSAndi Kleen #include "util/group.h" 624979d0c7SJiri Olsa #include "util/session.h" 63ba6039b6SJiri Olsa #include "util/tool.h" 64a067558eSArnaldo Carvalho de Melo #include "util/string2.h" 65b18f3e36SAndi Kleen #include "util/metricgroup.h" 669660e08eSJiri Olsa #include "util/top.h" 67ba6039b6SJiri Olsa #include "asm/bug.h" 6886470930SIngo Molnar 69bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.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> 863d689ed6SArnaldo Carvalho de Melo 87d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 88daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 89d7470b6aSStephane Eranian 90d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9113370a9bSStephane Eranian 924cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 93a454742cSJiri Olsa static const char *transaction_attrs = { 94a454742cSJiri Olsa "task-clock," 954cabc3d1SAndi Kleen "{" 964cabc3d1SAndi Kleen "instructions," 974cabc3d1SAndi Kleen "cycles," 984cabc3d1SAndi Kleen "cpu/cycles-t/," 994cabc3d1SAndi Kleen "cpu/tx-start/," 1004cabc3d1SAndi Kleen "cpu/el-start/," 1014cabc3d1SAndi Kleen "cpu/cycles-ct/" 1024cabc3d1SAndi Kleen "}" 1034cabc3d1SAndi Kleen }; 1044cabc3d1SAndi Kleen 1054cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 106a454742cSJiri Olsa static const char * transaction_limited_attrs = { 107a454742cSJiri Olsa "task-clock," 1084cabc3d1SAndi Kleen "{" 1094cabc3d1SAndi Kleen "instructions," 1104cabc3d1SAndi Kleen "cycles," 1114cabc3d1SAndi Kleen "cpu/cycles-t/," 1124cabc3d1SAndi Kleen "cpu/tx-start/" 1134cabc3d1SAndi Kleen "}" 1144cabc3d1SAndi Kleen }; 1154cabc3d1SAndi Kleen 11644b1e60aSAndi Kleen static const char * topdown_attrs[] = { 11744b1e60aSAndi Kleen "topdown-total-slots", 11844b1e60aSAndi Kleen "topdown-slots-retired", 11944b1e60aSAndi Kleen "topdown-recovery-bubbles", 12044b1e60aSAndi Kleen "topdown-fetch-bubbles", 12144b1e60aSAndi Kleen "topdown-slots-issued", 12244b1e60aSAndi Kleen NULL, 12344b1e60aSAndi Kleen }; 12444b1e60aSAndi Kleen 125daefd0bcSKan Liang static const char *smi_cost_attrs = { 126daefd0bcSKan Liang "{" 127daefd0bcSKan Liang "msr/aperf/," 128daefd0bcSKan Liang "msr/smi/," 129daefd0bcSKan Liang "cycles" 130daefd0bcSKan Liang "}" 131daefd0bcSKan Liang }; 132daefd0bcSKan Liang 133666e6d48SRobert Richter static struct perf_evlist *evsel_list; 134361c99a6SArnaldo Carvalho de Melo 135602ad878SArnaldo Carvalho de Melo static struct target target = { 13677a6f014SNamhyung Kim .uid = UINT_MAX, 13777a6f014SNamhyung Kim }; 13842202dd5SIngo Molnar 139c1a1f5d9SJiri Olsa #define METRIC_ONLY_LEN 20 140c1a1f5d9SJiri Olsa 141d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 1422cba3ffbSIngo Molnar static int detailed_run = 0; 1434cabc3d1SAndi Kleen static bool transaction_run; 14444b1e60aSAndi Kleen static bool topdown_run = false; 145daefd0bcSKan Liang static bool smi_cost = false; 146daefd0bcSKan Liang static bool smi_reset = false; 147d7470b6aSStephane Eranian static int big_num_opt = -1; 14843bece79SLin Ming static bool group = false; 1491f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1501f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1511f16c575SPeter Zijlstra static bool sync_run = false; 152a7e191c3SFrederik Deweerdt static bool forever = false; 15344b1e60aSAndi Kleen static bool force_metric_only = false; 15413370a9bSStephane Eranian static struct timespec ref_time; 155e0547311SJiri Olsa static bool append_file; 156db06a269Syuzhoujian static bool interval_count; 157e0547311SJiri Olsa static const char *output_name; 158e0547311SJiri Olsa static int output_fd; 1595af52b51SStephane Eranian 1604979d0c7SJiri Olsa struct perf_stat { 1614979d0c7SJiri Olsa bool record; 1628ceb41d7SJiri Olsa struct perf_data data; 1634979d0c7SJiri Olsa struct perf_session *session; 1644979d0c7SJiri Olsa u64 bytes_written; 165ba6039b6SJiri Olsa struct perf_tool tool; 1661975d36eSJiri Olsa bool maps_allocated; 1671975d36eSJiri Olsa struct cpu_map *cpus; 1681975d36eSJiri Olsa struct thread_map *threads; 16989af4e05SJiri Olsa enum aggr_mode aggr_mode; 1704979d0c7SJiri Olsa }; 1714979d0c7SJiri Olsa 1724979d0c7SJiri Olsa static struct perf_stat perf_stat; 1734979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1744979d0c7SJiri Olsa 17560666c63SLiming Wang static volatile int done = 0; 17660666c63SLiming Wang 177421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 178421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 179711a572eSJiri Olsa .scale = true, 180df4f7b4dSJiri Olsa .unit_width = 4, /* strlen("unit") */ 181d97ae04bSJiri Olsa .run_count = 1, 182ee1760e2SJiri Olsa .metric_only_len = METRIC_ONLY_LEN, 18326893a60SJiri Olsa .walltime_nsecs_stats = &walltime_nsecs_stats, 18434ff0866SJiri Olsa .big_num = true, 185421a50f3SJiri Olsa }; 186421a50f3SJiri Olsa 18713370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 18813370a9bSStephane Eranian struct timespec *b) 18913370a9bSStephane Eranian { 19013370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 19113370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 192310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 19313370a9bSStephane Eranian r->tv_sec--; 19413370a9bSStephane Eranian } else { 19513370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 19613370a9bSStephane Eranian } 19713370a9bSStephane Eranian } 19813370a9bSStephane Eranian 199254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 200254ecbc7SJiri Olsa { 20156739444SJin Yao int i; 20256739444SJin Yao 203254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 204f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 20556739444SJin Yao 20656739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 20756739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 2081eda3b21SJiri Olsa } 2091eda3b21SJiri Olsa 2108b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2114979d0c7SJiri Olsa union perf_event *event, 2124979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2134979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2144979d0c7SJiri Olsa { 2158ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 2168b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2178b99b1a4SJiri Olsa return -1; 2188b99b1a4SJiri Olsa } 2198b99b1a4SJiri Olsa 2208b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2218b99b1a4SJiri Olsa return 0; 2224979d0c7SJiri Olsa } 2234979d0c7SJiri Olsa 2241975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 2257aad0c32SJiri Olsa { 2261975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 2277aad0c32SJiri Olsa process_synthesized_event, 2287aad0c32SJiri Olsa NULL); 2297aad0c32SJiri Olsa } 2307aad0c32SJiri Olsa 2317aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2327aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2337aad0c32SJiri Olsa 2345a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 2355a6ea81bSJiri Olsa 2365a6ea81bSJiri Olsa static int 2375a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 2385a6ea81bSJiri Olsa struct perf_counts_values *count) 2395a6ea81bSJiri Olsa { 2405a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2415a6ea81bSJiri Olsa 2425a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2435a6ea81bSJiri Olsa process_synthesized_event, NULL); 2445a6ea81bSJiri Olsa } 2455a6ea81bSJiri Olsa 246f0fbb114SAndi Kleen static int read_single_counter(struct perf_evsel *counter, int cpu, 247f0fbb114SAndi Kleen int thread, struct timespec *rs) 248f0fbb114SAndi Kleen { 249f0fbb114SAndi Kleen if (counter->tool_event == PERF_TOOL_DURATION_TIME) { 250f0fbb114SAndi Kleen u64 val = rs->tv_nsec + rs->tv_sec*1000000000ULL; 251f0fbb114SAndi Kleen struct perf_counts_values *count = 252f0fbb114SAndi Kleen perf_counts(counter->counts, cpu, thread); 253f0fbb114SAndi Kleen count->ena = count->run = val; 254f0fbb114SAndi Kleen count->val = val; 255f0fbb114SAndi Kleen return 0; 256f0fbb114SAndi Kleen } 257f0fbb114SAndi Kleen return perf_evsel__read_counter(counter, cpu, thread); 258f0fbb114SAndi Kleen } 259f0fbb114SAndi Kleen 260f5b4a9c3SStephane Eranian /* 261f5b4a9c3SStephane Eranian * Read out the results of a single counter: 262f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 263f5b4a9c3SStephane Eranian */ 264f0fbb114SAndi Kleen static int read_counter(struct perf_evsel *counter, struct timespec *rs) 265f5b4a9c3SStephane Eranian { 2669bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 26700e727bbSMark Rutland int ncpus, cpu, thread; 26800e727bbSMark Rutland 2691d9f8d1bSJin Yao if (target__has_cpu(&target) && !target__has_per_thread(&target)) 27000e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 27100e727bbSMark Rutland else 27200e727bbSMark Rutland ncpus = 1; 273f5b4a9c3SStephane Eranian 2743b4331d9SSuzuki K. Poulose if (!counter->supported) 2753b4331d9SSuzuki K. Poulose return -ENOENT; 2763b4331d9SSuzuki K. Poulose 2779bf1a529SJiri Olsa if (counter->system_wide) 2789bf1a529SJiri Olsa nthreads = 1; 2799bf1a529SJiri Olsa 2809bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 2819bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 2823b3eb044SJiri Olsa struct perf_counts_values *count; 2833b3eb044SJiri Olsa 2843b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 28582bf311eSJiri Olsa 28682bf311eSJiri Olsa /* 28782bf311eSJiri Olsa * The leader's group read loads data into its group members 28882bf311eSJiri Olsa * (via perf_evsel__read_counter) and sets threir count->loaded. 28982bf311eSJiri Olsa */ 29082bf311eSJiri Olsa if (!count->loaded && 291f0fbb114SAndi Kleen read_single_counter(counter, cpu, thread, rs)) { 292db49a717SStephane Eranian counter->counts->scaled = -1; 293db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 294db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 295c52b12edSArnaldo Carvalho de Melo return -1; 296db49a717SStephane Eranian } 2975a6ea81bSJiri Olsa 29882bf311eSJiri Olsa count->loaded = false; 29982bf311eSJiri Olsa 3005a6ea81bSJiri Olsa if (STAT_RECORD) { 3015a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3025a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3035a6ea81bSJiri Olsa return -1; 3045a6ea81bSJiri Olsa } 3055a6ea81bSJiri Olsa } 3060b1abbf4SAndi Kleen 3070b1abbf4SAndi Kleen if (verbose > 1) { 3080b1abbf4SAndi Kleen fprintf(stat_config.output, 3090b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3100b1abbf4SAndi Kleen perf_evsel__name(counter), 3110b1abbf4SAndi Kleen cpu, 3120b1abbf4SAndi Kleen count->val, count->ena, count->run); 3130b1abbf4SAndi Kleen } 314f5b4a9c3SStephane Eranian } 3159bf1a529SJiri Olsa } 316c52b12edSArnaldo Carvalho de Melo 317c52b12edSArnaldo Carvalho de Melo return 0; 31886470930SIngo Molnar } 31986470930SIngo Molnar 320f0fbb114SAndi Kleen static void read_counters(struct timespec *rs) 321106a94a0SJiri Olsa { 322106a94a0SJiri Olsa struct perf_evsel *counter; 323db49a717SStephane Eranian int ret; 324106a94a0SJiri Olsa 325e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 326f0fbb114SAndi Kleen ret = read_counter(counter, rs); 327db49a717SStephane Eranian if (ret) 328245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3293b3eb044SJiri Olsa 330db49a717SStephane Eranian if (ret == 0 && perf_stat_process_counter(&stat_config, counter)) 3313b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 332106a94a0SJiri Olsa } 333106a94a0SJiri Olsa } 334106a94a0SJiri Olsa 335ba411a95SJiri Olsa static void process_interval(void) 33613370a9bSStephane Eranian { 33713370a9bSStephane Eranian struct timespec ts, rs; 33813370a9bSStephane Eranian 33913370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 34013370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 34113370a9bSStephane Eranian 342f0fbb114SAndi Kleen read_counters(&rs); 343f0fbb114SAndi Kleen 3447aad0c32SJiri Olsa if (STAT_RECORD) { 345bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 3467aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 3477aad0c32SJiri Olsa } 3487aad0c32SJiri Olsa 349b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 350b90f1333SAndi Kleen update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); 351d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 35213370a9bSStephane Eranian } 35313370a9bSStephane Eranian 35467ccdecdSJiri Olsa static void enable_counters(void) 35541191688SAndi Kleen { 356728c0ee0SJiri Olsa if (stat_config.initial_delay) 357728c0ee0SJiri Olsa usleep(stat_config.initial_delay * USEC_PER_MSEC); 35867ccdecdSJiri Olsa 35967ccdecdSJiri Olsa /* 36067ccdecdSJiri Olsa * We need to enable counters only if: 36167ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 36267ccdecdSJiri Olsa * - we have initial delay configured 36367ccdecdSJiri Olsa */ 364728c0ee0SJiri Olsa if (!target__none(&target) || stat_config.initial_delay) 365ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 36641191688SAndi Kleen } 36741191688SAndi Kleen 3683df33effSMark Rutland static void disable_counters(void) 3693df33effSMark Rutland { 3703df33effSMark Rutland /* 3713df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 3723df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 3733df33effSMark Rutland * from counting before reading their constituent counters. 3743df33effSMark Rutland */ 3753df33effSMark Rutland if (!target__none(&target)) 3763df33effSMark Rutland perf_evlist__disable(evsel_list); 3773df33effSMark Rutland } 3783df33effSMark Rutland 379f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 3806af206fdSArnaldo Carvalho de Melo 3816af206fdSArnaldo Carvalho de Melo /* 3826af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 3836af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 3846af206fdSArnaldo Carvalho de Melo * want_signal to true. 3856af206fdSArnaldo Carvalho de Melo */ 386f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 387f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 3886af206fdSArnaldo Carvalho de Melo { 389f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 3906af206fdSArnaldo Carvalho de Melo } 3916af206fdSArnaldo Carvalho de Melo 39282bf311eSJiri Olsa static bool perf_evsel__should_store_id(struct perf_evsel *counter) 39382bf311eSJiri Olsa { 39482bf311eSJiri Olsa return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID; 39582bf311eSJiri Olsa } 39682bf311eSJiri Olsa 397cbb5df7eSJiri Olsa static bool is_target_alive(struct target *_target, 398cbb5df7eSJiri Olsa struct thread_map *threads) 399cbb5df7eSJiri Olsa { 400cbb5df7eSJiri Olsa struct stat st; 401cbb5df7eSJiri Olsa int i; 402cbb5df7eSJiri Olsa 403cbb5df7eSJiri Olsa if (!target__has_task(_target)) 404cbb5df7eSJiri Olsa return true; 405cbb5df7eSJiri Olsa 406cbb5df7eSJiri Olsa for (i = 0; i < threads->nr; i++) { 407cbb5df7eSJiri Olsa char path[PATH_MAX]; 408cbb5df7eSJiri Olsa 409cbb5df7eSJiri Olsa scnprintf(path, PATH_MAX, "%s/%d", procfs__mountpoint(), 410cbb5df7eSJiri Olsa threads->map[i].pid); 411cbb5df7eSJiri Olsa 412cbb5df7eSJiri Olsa if (!stat(path, &st)) 413cbb5df7eSJiri Olsa return true; 414cbb5df7eSJiri Olsa } 415cbb5df7eSJiri Olsa 416cbb5df7eSJiri Olsa return false; 417cbb5df7eSJiri Olsa } 418cbb5df7eSJiri Olsa 419e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 42086470930SIngo Molnar { 421ec0d3d1fSJiri Olsa int interval = stat_config.interval; 422db06a269Syuzhoujian int times = stat_config.times; 423f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 424d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 42586470930SIngo Molnar unsigned long long t0, t1; 426cac21425SJiri Olsa struct perf_evsel *counter; 42713370a9bSStephane Eranian struct timespec ts; 428410136f5SStephane Eranian size_t l; 42942202dd5SIngo Molnar int status = 0; 4306be2850eSZhang, Yanmin const bool forks = (argc > 0); 4318ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 43286470930SIngo Molnar 43313370a9bSStephane Eranian if (interval) { 434310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 435310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 436f1f8ad52Syuzhoujian } else if (timeout) { 437f1f8ad52Syuzhoujian ts.tv_sec = timeout / USEC_PER_MSEC; 438f1f8ad52Syuzhoujian ts.tv_nsec = (timeout % USEC_PER_MSEC) * NSEC_PER_MSEC; 43913370a9bSStephane Eranian } else { 44013370a9bSStephane Eranian ts.tv_sec = 1; 44113370a9bSStephane Eranian ts.tv_nsec = 0; 44213370a9bSStephane Eranian } 44313370a9bSStephane Eranian 444acf28922SNamhyung Kim if (forks) { 445664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 446735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 447acf28922SNamhyung Kim perror("failed to prepare workload"); 448fceda7feSDavid Ahern return -1; 449051ae7f7SPaul Mackerras } 450d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 45160666c63SLiming Wang } 452051ae7f7SPaul Mackerras 4536a4bb04cSJiri Olsa if (group) 45463dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 4556a4bb04cSJiri Olsa 456e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 45742ef8a78SArnaldo Carvalho de Melo try_again: 458d09cefd2SJiri Olsa if (create_perf_stat_counter(counter, &stat_config, &target) < 0) { 4595a5dfe4bSAndi Kleen 4605a5dfe4bSAndi Kleen /* Weak group failed. Reset the group. */ 46135c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 4625a5dfe4bSAndi Kleen counter->leader != counter && 4635a5dfe4bSAndi Kleen counter->weak_group) { 464c3537fc2SAndi Kleen counter = perf_evlist__reset_weak_group(evsel_list, counter); 4655a5dfe4bSAndi Kleen goto try_again; 4665a5dfe4bSAndi Kleen } 4675a5dfe4bSAndi Kleen 468979987a5SDavid Ahern /* 469979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 470979987a5SDavid Ahern * (behavior changed with commit b0a873e). 471979987a5SDavid Ahern */ 47238f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 473979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 474979987a5SDavid Ahern errno == ENXIO) { 475bb963e16SNamhyung Kim if (verbose > 0) 476c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 4777289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 4782cee77c4SDavid Ahern counter->supported = false; 479cb5ef600SKan Liang 480cb5ef600SKan Liang if ((counter->leader != counter) || 481cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 482ede70290SIngo Molnar continue; 48342ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 484bb963e16SNamhyung Kim if (verbose > 0) 48542ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 48642ef8a78SArnaldo Carvalho de Melo goto try_again; 487ab6c79b8SJin Yao } else if (target__has_per_thread(&target) && 488ab6c79b8SJin Yao evsel_list->threads && 489ab6c79b8SJin Yao evsel_list->threads->err_thread != -1) { 490ab6c79b8SJin Yao /* 491ab6c79b8SJin Yao * For global --per-thread case, skip current 492ab6c79b8SJin Yao * error thread. 493ab6c79b8SJin Yao */ 494ab6c79b8SJin Yao if (!thread_map__remove(evsel_list->threads, 495ab6c79b8SJin Yao evsel_list->threads->err_thread)) { 496ab6c79b8SJin Yao evsel_list->threads->err_thread = -1; 497ab6c79b8SJin Yao goto try_again; 498ab6c79b8SJin Yao } 499c63ca0c0SDavid Ahern } 500ede70290SIngo Molnar 50156e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 50256e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 50356e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 50456e52e85SArnaldo Carvalho de Melo 505084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 506084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 507fceda7feSDavid Ahern 508084ab9f8SArnaldo Carvalho de Melo return -1; 509084ab9f8SArnaldo Carvalho de Melo } 5102cee77c4SDavid Ahern counter->supported = true; 511410136f5SStephane Eranian 512410136f5SStephane Eranian l = strlen(counter->unit); 513df4f7b4dSJiri Olsa if (l > stat_config.unit_width) 514df4f7b4dSJiri Olsa stat_config.unit_width = l; 5152af4646dSJiri Olsa 51682bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 517650d6220SJiri Olsa perf_evsel__store_ids(counter, evsel_list)) 5182af4646dSJiri Olsa return -1; 51948290609SArnaldo Carvalho de Melo } 52086470930SIngo Molnar 52123d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 52262d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 52323d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 524c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 525cfd748aeSFrederic Weisbecker return -1; 526cfd748aeSFrederic Weisbecker } 527cfd748aeSFrederic Weisbecker 5284979d0c7SJiri Olsa if (STAT_RECORD) { 5298ceb41d7SJiri Olsa int err, fd = perf_data__fd(&perf_stat.data); 5304979d0c7SJiri Olsa 531664c98d4SJiri Olsa if (is_pipe) { 5328ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 533664c98d4SJiri Olsa } else { 5344979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 5354979d0c7SJiri Olsa fd, false); 536664c98d4SJiri Olsa } 537664c98d4SJiri Olsa 5384979d0c7SJiri Olsa if (err < 0) 5394979d0c7SJiri Olsa return err; 5408b99b1a4SJiri Olsa 5411c21e989SJiri Olsa err = perf_stat_synthesize_config(&stat_config, NULL, evsel_list, 542c2c247f2SJiri Olsa process_synthesized_event, is_pipe); 5438b99b1a4SJiri Olsa if (err < 0) 5448b99b1a4SJiri Olsa return err; 5454979d0c7SJiri Olsa } 5464979d0c7SJiri Olsa 54786470930SIngo Molnar /* 54886470930SIngo Molnar * Enable counters and exec the command: 54986470930SIngo Molnar */ 55086470930SIngo Molnar t0 = rdclock(); 55113370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 55286470930SIngo Molnar 55360666c63SLiming Wang if (forks) { 554acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 55567ccdecdSJiri Olsa enable_counters(); 556acf28922SNamhyung Kim 557f1f8ad52Syuzhoujian if (interval || timeout) { 55813370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 55913370a9bSStephane Eranian nanosleep(&ts, NULL); 560f1f8ad52Syuzhoujian if (timeout) 561f1f8ad52Syuzhoujian break; 562ba411a95SJiri Olsa process_interval(); 563db06a269Syuzhoujian if (interval_count && !(--times)) 564db06a269Syuzhoujian break; 56513370a9bSStephane Eranian } 56613370a9bSStephane Eranian } 5678a99255aSJin Yao if (child_pid != -1) 5688897a891SJiri Olsa wait4(child_pid, &status, 0, &stat_config.ru_data); 5696af206fdSArnaldo Carvalho de Melo 570f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 571c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 572f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 5736af206fdSArnaldo Carvalho de Melo return -1; 574f33cbe72SArnaldo Carvalho de Melo } 5756af206fdSArnaldo Carvalho de Melo 57633e49ea7SAndi Kleen if (WIFSIGNALED(status)) 57733e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 57860666c63SLiming Wang } else { 57967ccdecdSJiri Olsa enable_counters(); 58013370a9bSStephane Eranian while (!done) { 58113370a9bSStephane Eranian nanosleep(&ts, NULL); 582cbb5df7eSJiri Olsa if (!is_target_alive(&target, evsel_list->threads)) 583cbb5df7eSJiri Olsa break; 584f1f8ad52Syuzhoujian if (timeout) 585f1f8ad52Syuzhoujian break; 586db06a269Syuzhoujian if (interval) { 587ba411a95SJiri Olsa process_interval(); 588db06a269Syuzhoujian if (interval_count && !(--times)) 589db06a269Syuzhoujian break; 590db06a269Syuzhoujian } 59113370a9bSStephane Eranian } 59260666c63SLiming Wang } 59386470930SIngo Molnar 5943df33effSMark Rutland disable_counters(); 5953df33effSMark Rutland 59686470930SIngo Molnar t1 = rdclock(); 59786470930SIngo Molnar 59854ac0b1bSJiri Olsa if (stat_config.walltime_run_table) 59954ac0b1bSJiri Olsa stat_config.walltime_run[run_idx] = t1 - t0; 600e55c14afSJiri Olsa 6019e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 60242202dd5SIngo Molnar 6033df33effSMark Rutland /* 6043df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 6053df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 6063df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 6073df33effSMark Rutland * group leaders. 6083df33effSMark Rutland */ 609f0fbb114SAndi Kleen read_counters(&(struct timespec) { .tv_nsec = t1-t0 }); 6103df33effSMark Rutland perf_evlist__close(evsel_list); 611c52b12edSArnaldo Carvalho de Melo 61242202dd5SIngo Molnar return WEXITSTATUS(status); 61342202dd5SIngo Molnar } 61442202dd5SIngo Molnar 615e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 6161f16c575SPeter Zijlstra { 6171f16c575SPeter Zijlstra int ret; 6181f16c575SPeter Zijlstra 6191f16c575SPeter Zijlstra if (pre_cmd) { 6201f16c575SPeter Zijlstra ret = system(pre_cmd); 6211f16c575SPeter Zijlstra if (ret) 6221f16c575SPeter Zijlstra return ret; 6231f16c575SPeter Zijlstra } 6241f16c575SPeter Zijlstra 6251f16c575SPeter Zijlstra if (sync_run) 6261f16c575SPeter Zijlstra sync(); 6271f16c575SPeter Zijlstra 628e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 6291f16c575SPeter Zijlstra if (ret) 6301f16c575SPeter Zijlstra return ret; 6311f16c575SPeter Zijlstra 6321f16c575SPeter Zijlstra if (post_cmd) { 6331f16c575SPeter Zijlstra ret = system(post_cmd); 6341f16c575SPeter Zijlstra if (ret) 6351f16c575SPeter Zijlstra return ret; 6361f16c575SPeter Zijlstra } 6371f16c575SPeter Zijlstra 6381f16c575SPeter Zijlstra return ret; 6391f16c575SPeter Zijlstra } 6401f16c575SPeter Zijlstra 641a5a9eac1SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 642a5a9eac1SJiri Olsa { 6430174820aSJiri Olsa /* Do not print anything if we record to the pipe. */ 6440174820aSJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 6450174820aSJiri Olsa return; 6460174820aSJiri Olsa 647c512e0eaSJiri Olsa perf_evlist__print_counters(evsel_list, &stat_config, &target, 648b64df7f3SJiri Olsa ts, argc, argv); 649a5a9eac1SJiri Olsa } 650a5a9eac1SJiri Olsa 651f7b7c26eSPeter Zijlstra static volatile int signr = -1; 652f7b7c26eSPeter Zijlstra 65386470930SIngo Molnar static void skip_signal(int signo) 65486470930SIngo Molnar { 655ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 65660666c63SLiming Wang done = 1; 65760666c63SLiming Wang 658f7b7c26eSPeter Zijlstra signr = signo; 659d07f0b12SStephane Eranian /* 660d07f0b12SStephane Eranian * render child_pid harmless 661d07f0b12SStephane Eranian * won't send SIGTERM to a random 662d07f0b12SStephane Eranian * process in case of race condition 663d07f0b12SStephane Eranian * and fast PID recycling 664d07f0b12SStephane Eranian */ 665d07f0b12SStephane Eranian child_pid = -1; 666f7b7c26eSPeter Zijlstra } 667f7b7c26eSPeter Zijlstra 668f7b7c26eSPeter Zijlstra static void sig_atexit(void) 669f7b7c26eSPeter Zijlstra { 670d07f0b12SStephane Eranian sigset_t set, oset; 671d07f0b12SStephane Eranian 672d07f0b12SStephane Eranian /* 673d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 674d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 675d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 676d07f0b12SStephane Eranian * process 677d07f0b12SStephane Eranian */ 678d07f0b12SStephane Eranian sigemptyset(&set); 679d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 680d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 681d07f0b12SStephane Eranian 682933da83aSChris Wilson if (child_pid != -1) 683933da83aSChris Wilson kill(child_pid, SIGTERM); 684933da83aSChris Wilson 685d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 686d07f0b12SStephane Eranian 687f7b7c26eSPeter Zijlstra if (signr == -1) 688f7b7c26eSPeter Zijlstra return; 689f7b7c26eSPeter Zijlstra 690f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 691f7b7c26eSPeter Zijlstra kill(getpid(), signr); 69286470930SIngo Molnar } 69386470930SIngo Molnar 6941d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 6951d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 696d7470b6aSStephane Eranian { 697d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 698d7470b6aSStephane Eranian return 0; 699d7470b6aSStephane Eranian } 700d7470b6aSStephane Eranian 70144b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 70244b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 70344b1e60aSAndi Kleen { 70444b1e60aSAndi Kleen force_metric_only = true; 7050ce5aa02SJiri Olsa stat_config.metric_only = !unset; 70644b1e60aSAndi Kleen return 0; 70744b1e60aSAndi Kleen } 70844b1e60aSAndi Kleen 709b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 710b18f3e36SAndi Kleen const char *str, 711b18f3e36SAndi Kleen int unset __maybe_unused) 712b18f3e36SAndi Kleen { 713d0192fdbSJiri Olsa return metricgroup__parse_groups(opt, str, &stat_config.metric_events); 714b18f3e36SAndi Kleen } 715b18f3e36SAndi Kleen 71651433eadSMichael Petlan static struct option stat_options[] = { 717e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 718e0547311SJiri Olsa "hardware transaction statistics"), 719e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 720e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 721e0547311SJiri Olsa parse_events_option), 722e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 723e0547311SJiri Olsa "event filter", parse_filter), 7245698f26bSJiri Olsa OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit, 725e0547311SJiri Olsa "child tasks do not inherit counters"), 726e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 727e0547311SJiri Olsa "stat events on existing process id"), 728e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 729e0547311SJiri Olsa "stat events on existing thread id"), 730e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 731e0547311SJiri Olsa "system-wide collection from all CPUs"), 732e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 733e0547311SJiri Olsa "put the counters into a counter group"), 73475998bb2SAndi Kleen OPT_BOOLEAN(0, "scale", &stat_config.scale, 73575998bb2SAndi Kleen "Use --no-scale to disable counter scaling for multiplexing"), 736e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 737e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 738d97ae04bSJiri Olsa OPT_INTEGER('r', "repeat", &stat_config.run_count, 739e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 74054ac0b1bSJiri Olsa OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table, 741e55c14afSJiri Olsa "display details about each run (only with -r option)"), 742aea0dca1SJiri Olsa OPT_BOOLEAN('n', "null", &stat_config.null_run, 743e0547311SJiri Olsa "null run - dont start any counters"), 744e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 745e0547311SJiri Olsa "detailed run - start a lot of events"), 746e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 747e0547311SJiri Olsa "call sync() before starting a run"), 748e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 749e0547311SJiri Olsa "print large numbers with thousands\' separators", 750e0547311SJiri Olsa stat__set_big_num), 751e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 752e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 753e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 754e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 755fdee335bSJiri Olsa OPT_BOOLEAN(0, "no-merge", &stat_config.no_merge, "Do not merge identical named events"), 756fa7070a3SJiri Olsa OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator", 757e0547311SJiri Olsa "print counts with custom separator"), 758e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 759e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 760e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 761e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 762e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 763e0547311SJiri Olsa "log output to fd, instead of stderr"), 764e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 765e0547311SJiri Olsa "command to run prior to the measured command"), 766e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 767e0547311SJiri Olsa "command to run after to the measured command"), 768e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 7699dc9a95fSAlexey Budankov "print counts at regular interval in ms " 7709dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 771db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 772db06a269Syuzhoujian "print counts for fixed number of times"), 773132c6ba3SJiri Olsa OPT_BOOLEAN(0, "interval-clear", &stat_config.interval_clear, 7749660e08eSJiri Olsa "clear screen in between new interval"), 775f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 776f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 777e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 778e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 779db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &stat_config.aggr_mode, 780db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 781e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 782e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 783e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 784e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 785728c0ee0SJiri Olsa OPT_UINTEGER('D', "delay", &stat_config.initial_delay, 786e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 7870ce5aa02SJiri Olsa OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL, 78844b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 78944b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 79044b1e60aSAndi Kleen "measure topdown level 1 statistics"), 791daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 792daefd0bcSKan Liang "measure SMI cost"), 793b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 794b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 795b18f3e36SAndi Kleen parse_metric_groups), 796e0547311SJiri Olsa OPT_END() 797e0547311SJiri Olsa }; 798e0547311SJiri Olsa 7996f6b6594SJiri Olsa static int perf_stat__get_socket(struct perf_stat_config *config __maybe_unused, 8006f6b6594SJiri Olsa struct cpu_map *map, int cpu) 8011fe7a300SJiri Olsa { 8021fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 8031fe7a300SJiri Olsa } 8041fe7a300SJiri Olsa 805db5742b6SKan Liang static int perf_stat__get_die(struct perf_stat_config *config __maybe_unused, 806db5742b6SKan Liang struct cpu_map *map, int cpu) 807db5742b6SKan Liang { 808db5742b6SKan Liang return cpu_map__get_die(map, cpu, NULL); 809db5742b6SKan Liang } 810db5742b6SKan Liang 8116f6b6594SJiri Olsa static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused, 8126f6b6594SJiri Olsa struct cpu_map *map, int cpu) 8131fe7a300SJiri Olsa { 8141fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 8151fe7a300SJiri Olsa } 8161fe7a300SJiri Olsa 8171e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 8181e5a2931SJiri Olsa { 8191e5a2931SJiri Olsa int i, max = -1; 8201e5a2931SJiri Olsa 8211e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 8221e5a2931SJiri Olsa if (map->map[i] > max) 8231e5a2931SJiri Olsa max = map->map[i]; 8241e5a2931SJiri Olsa } 8251e5a2931SJiri Olsa 8261e5a2931SJiri Olsa return max; 8271e5a2931SJiri Olsa } 8281e5a2931SJiri Olsa 8296f6b6594SJiri Olsa static int perf_stat__get_aggr(struct perf_stat_config *config, 8306f6b6594SJiri Olsa aggr_get_id_t get_id, struct cpu_map *map, int idx) 8311e5a2931SJiri Olsa { 8321e5a2931SJiri Olsa int cpu; 8331e5a2931SJiri Olsa 8341e5a2931SJiri Olsa if (idx >= map->nr) 8351e5a2931SJiri Olsa return -1; 8361e5a2931SJiri Olsa 8371e5a2931SJiri Olsa cpu = map->map[idx]; 8381e5a2931SJiri Olsa 8396f6b6594SJiri Olsa if (config->cpus_aggr_map->map[cpu] == -1) 8406f6b6594SJiri Olsa config->cpus_aggr_map->map[cpu] = get_id(config, map, idx); 8411e5a2931SJiri Olsa 8426f6b6594SJiri Olsa return config->cpus_aggr_map->map[cpu]; 8431e5a2931SJiri Olsa } 8441e5a2931SJiri Olsa 8456f6b6594SJiri Olsa static int perf_stat__get_socket_cached(struct perf_stat_config *config, 8466f6b6594SJiri Olsa struct cpu_map *map, int idx) 8471e5a2931SJiri Olsa { 8486f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx); 8491e5a2931SJiri Olsa } 8501e5a2931SJiri Olsa 851db5742b6SKan Liang static int perf_stat__get_die_cached(struct perf_stat_config *config, 852db5742b6SKan Liang struct cpu_map *map, int idx) 853db5742b6SKan Liang { 854db5742b6SKan Liang return perf_stat__get_aggr(config, perf_stat__get_die, map, idx); 855db5742b6SKan Liang } 856db5742b6SKan Liang 8576f6b6594SJiri Olsa static int perf_stat__get_core_cached(struct perf_stat_config *config, 8586f6b6594SJiri Olsa struct cpu_map *map, int idx) 8591e5a2931SJiri Olsa { 8606f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_core, map, idx); 8611e5a2931SJiri Olsa } 8621e5a2931SJiri Olsa 8634fc4d8dfSJin Yao static bool term_percore_set(void) 8644fc4d8dfSJin Yao { 8654fc4d8dfSJin Yao struct perf_evsel *counter; 8664fc4d8dfSJin Yao 8674fc4d8dfSJin Yao evlist__for_each_entry(evsel_list, counter) { 8684fc4d8dfSJin Yao if (counter->percore) 8694fc4d8dfSJin Yao return true; 8704fc4d8dfSJin Yao } 8714fc4d8dfSJin Yao 8724fc4d8dfSJin Yao return false; 8734fc4d8dfSJin Yao } 8744fc4d8dfSJin Yao 87586ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 87686ee6e18SStephane Eranian { 8771e5a2931SJiri Olsa int nr; 8781e5a2931SJiri Olsa 879421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 88086ee6e18SStephane Eranian case AGGR_SOCKET: 8816f6b6594SJiri Olsa if (cpu_map__build_socket_map(evsel_list->cpus, &stat_config.aggr_map)) { 88286ee6e18SStephane Eranian perror("cannot build socket map"); 88386ee6e18SStephane Eranian return -1; 88486ee6e18SStephane Eranian } 8856f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_cached; 88686ee6e18SStephane Eranian break; 887db5742b6SKan Liang case AGGR_DIE: 888db5742b6SKan Liang if (cpu_map__build_die_map(evsel_list->cpus, &stat_config.aggr_map)) { 889db5742b6SKan Liang perror("cannot build die map"); 890db5742b6SKan Liang return -1; 891db5742b6SKan Liang } 892db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_cached; 893db5742b6SKan Liang break; 89412c08a9fSStephane Eranian case AGGR_CORE: 8956f6b6594SJiri Olsa if (cpu_map__build_core_map(evsel_list->cpus, &stat_config.aggr_map)) { 89612c08a9fSStephane Eranian perror("cannot build core map"); 89712c08a9fSStephane Eranian return -1; 89812c08a9fSStephane Eranian } 8996f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_cached; 90012c08a9fSStephane Eranian break; 90186ee6e18SStephane Eranian case AGGR_NONE: 9024fc4d8dfSJin Yao if (term_percore_set()) { 9034fc4d8dfSJin Yao if (cpu_map__build_core_map(evsel_list->cpus, 9044fc4d8dfSJin Yao &stat_config.aggr_map)) { 9054fc4d8dfSJin Yao perror("cannot build core map"); 9064fc4d8dfSJin Yao return -1; 9074fc4d8dfSJin Yao } 9084fc4d8dfSJin Yao stat_config.aggr_get_id = perf_stat__get_core_cached; 9094fc4d8dfSJin Yao } 9104fc4d8dfSJin Yao break; 91186ee6e18SStephane Eranian case AGGR_GLOBAL: 91232b8af82SJiri Olsa case AGGR_THREAD: 913208df99eSJiri Olsa case AGGR_UNSET: 91486ee6e18SStephane Eranian default: 91586ee6e18SStephane Eranian break; 91686ee6e18SStephane Eranian } 9171e5a2931SJiri Olsa 9181e5a2931SJiri Olsa /* 9191e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 9201e5a2931SJiri Olsa * taking the highest cpu number to be the size of 9211e5a2931SJiri Olsa * the aggregation translate cpumap. 9221e5a2931SJiri Olsa */ 9231e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 9246f6b6594SJiri Olsa stat_config.cpus_aggr_map = cpu_map__empty_new(nr + 1); 9256f6b6594SJiri Olsa return stat_config.cpus_aggr_map ? 0 : -ENOMEM; 92686ee6e18SStephane Eranian } 92786ee6e18SStephane Eranian 928544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 929544c2ae7SMasami Hiramatsu { 9306f6b6594SJiri Olsa cpu_map__put(stat_config.aggr_map); 9316f6b6594SJiri Olsa cpu_map__put(stat_config.cpus_aggr_map); 9326f6b6594SJiri Olsa stat_config.aggr_map = NULL; 9336f6b6594SJiri Olsa stat_config.cpus_aggr_map = NULL; 934544c2ae7SMasami Hiramatsu } 935544c2ae7SMasami Hiramatsu 93668d702f7SJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) 93768d702f7SJiri Olsa { 93868d702f7SJiri Olsa int cpu; 93968d702f7SJiri Olsa 94068d702f7SJiri Olsa if (idx > map->nr) 94168d702f7SJiri Olsa return -1; 94268d702f7SJiri Olsa 94368d702f7SJiri Olsa cpu = map->map[idx]; 94468d702f7SJiri Olsa 945da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 94668d702f7SJiri Olsa return -1; 94768d702f7SJiri Olsa 94868d702f7SJiri Olsa return cpu; 94968d702f7SJiri Olsa } 95068d702f7SJiri Olsa 95168d702f7SJiri Olsa static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) 95268d702f7SJiri Olsa { 95368d702f7SJiri Olsa struct perf_env *env = data; 95468d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 95568d702f7SJiri Olsa 95668d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 95768d702f7SJiri Olsa } 95868d702f7SJiri Olsa 959db5742b6SKan Liang static int perf_env__get_die(struct cpu_map *map, int idx, void *data) 960db5742b6SKan Liang { 961db5742b6SKan Liang struct perf_env *env = data; 962db5742b6SKan Liang int die_id = -1, cpu = perf_env__get_cpu(env, map, idx); 963db5742b6SKan Liang 964db5742b6SKan Liang if (cpu != -1) { 965db5742b6SKan Liang /* 966db5742b6SKan Liang * Encode socket in bit range 15:8 967db5742b6SKan Liang * die_id is relative to socket, 968db5742b6SKan Liang * we need a global id. So we combine 969db5742b6SKan Liang * socket + die id 970db5742b6SKan Liang */ 971db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 972db5742b6SKan Liang return -1; 973db5742b6SKan Liang 974db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 975db5742b6SKan Liang return -1; 976db5742b6SKan Liang 977db5742b6SKan Liang die_id = (env->cpu[cpu].socket_id << 8) | (env->cpu[cpu].die_id & 0xff); 978db5742b6SKan Liang } 979db5742b6SKan Liang 980db5742b6SKan Liang return die_id; 981db5742b6SKan Liang } 982db5742b6SKan Liang 98368d702f7SJiri Olsa static int perf_env__get_core(struct cpu_map *map, int idx, void *data) 98468d702f7SJiri Olsa { 98568d702f7SJiri Olsa struct perf_env *env = data; 98668d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 98768d702f7SJiri Olsa 98868d702f7SJiri Olsa if (cpu != -1) { 98968d702f7SJiri Olsa /* 990db5742b6SKan Liang * Encode socket in bit range 31:24 991db5742b6SKan Liang * encode die id in bit range 23:16 992db5742b6SKan Liang * core_id is relative to socket and die, 99368d702f7SJiri Olsa * we need a global id. So we combine 994db5742b6SKan Liang * socket + die id + core id 99568d702f7SJiri Olsa */ 996db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 997db5742b6SKan Liang return -1; 998db5742b6SKan Liang 999db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 1000db5742b6SKan Liang return -1; 1001db5742b6SKan Liang 1002db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].core_id >> 16, "The core id number is too big.\n")) 1003db5742b6SKan Liang return -1; 1004db5742b6SKan Liang 1005db5742b6SKan Liang core = (env->cpu[cpu].socket_id << 24) | 1006db5742b6SKan Liang (env->cpu[cpu].die_id << 16) | 1007db5742b6SKan Liang (env->cpu[cpu].core_id & 0xffff); 100868d702f7SJiri Olsa } 100968d702f7SJiri Olsa 101068d702f7SJiri Olsa return core; 101168d702f7SJiri Olsa } 101268d702f7SJiri Olsa 101368d702f7SJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, 101468d702f7SJiri Olsa struct cpu_map **sockp) 101568d702f7SJiri Olsa { 101668d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 101768d702f7SJiri Olsa } 101868d702f7SJiri Olsa 1019db5742b6SKan Liang static int perf_env__build_die_map(struct perf_env *env, struct cpu_map *cpus, 1020db5742b6SKan Liang struct cpu_map **diep) 1021db5742b6SKan Liang { 1022db5742b6SKan Liang return cpu_map__build_map(cpus, diep, perf_env__get_die, env); 1023db5742b6SKan Liang } 1024db5742b6SKan Liang 102568d702f7SJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, 102668d702f7SJiri Olsa struct cpu_map **corep) 102768d702f7SJiri Olsa { 102868d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 102968d702f7SJiri Olsa } 103068d702f7SJiri Olsa 10316f6b6594SJiri Olsa static int perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused, 10326f6b6594SJiri Olsa struct cpu_map *map, int idx) 103368d702f7SJiri Olsa { 103468d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 103568d702f7SJiri Olsa } 1036db5742b6SKan Liang static int perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused, 1037db5742b6SKan Liang struct cpu_map *map, int idx) 1038db5742b6SKan Liang { 1039db5742b6SKan Liang return perf_env__get_die(map, idx, &perf_stat.session->header.env); 1040db5742b6SKan Liang } 104168d702f7SJiri Olsa 10426f6b6594SJiri Olsa static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused, 10436f6b6594SJiri Olsa struct cpu_map *map, int idx) 104468d702f7SJiri Olsa { 104568d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 104668d702f7SJiri Olsa } 104768d702f7SJiri Olsa 104868d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 104968d702f7SJiri Olsa { 105068d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 105168d702f7SJiri Olsa 105268d702f7SJiri Olsa switch (stat_config.aggr_mode) { 105368d702f7SJiri Olsa case AGGR_SOCKET: 10546f6b6594SJiri Olsa if (perf_env__build_socket_map(env, evsel_list->cpus, &stat_config.aggr_map)) { 105568d702f7SJiri Olsa perror("cannot build socket map"); 105668d702f7SJiri Olsa return -1; 105768d702f7SJiri Olsa } 10586f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_file; 105968d702f7SJiri Olsa break; 1060db5742b6SKan Liang case AGGR_DIE: 1061db5742b6SKan Liang if (perf_env__build_die_map(env, evsel_list->cpus, &stat_config.aggr_map)) { 1062db5742b6SKan Liang perror("cannot build die map"); 1063db5742b6SKan Liang return -1; 1064db5742b6SKan Liang } 1065db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_file; 1066db5742b6SKan Liang break; 106768d702f7SJiri Olsa case AGGR_CORE: 10686f6b6594SJiri Olsa if (perf_env__build_core_map(env, evsel_list->cpus, &stat_config.aggr_map)) { 106968d702f7SJiri Olsa perror("cannot build core map"); 107068d702f7SJiri Olsa return -1; 107168d702f7SJiri Olsa } 10726f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_file; 107368d702f7SJiri Olsa break; 107468d702f7SJiri Olsa case AGGR_NONE: 107568d702f7SJiri Olsa case AGGR_GLOBAL: 107668d702f7SJiri Olsa case AGGR_THREAD: 107768d702f7SJiri Olsa case AGGR_UNSET: 107868d702f7SJiri Olsa default: 107968d702f7SJiri Olsa break; 108068d702f7SJiri Olsa } 108168d702f7SJiri Olsa 108268d702f7SJiri Olsa return 0; 108368d702f7SJiri Olsa } 108468d702f7SJiri Olsa 108544b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 108644b1e60aSAndi Kleen { 108744b1e60aSAndi Kleen int off = 0; 108844b1e60aSAndi Kleen int i; 108944b1e60aSAndi Kleen int len = 0; 109044b1e60aSAndi Kleen char *s; 109144b1e60aSAndi Kleen 109244b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 109344b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 109444b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 109544b1e60aSAndi Kleen attr[i - off] = attr[i]; 109644b1e60aSAndi Kleen } else 109744b1e60aSAndi Kleen off++; 109844b1e60aSAndi Kleen } 109944b1e60aSAndi Kleen attr[i - off] = NULL; 110044b1e60aSAndi Kleen 110144b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 110244b1e60aSAndi Kleen if (!*str) 110344b1e60aSAndi Kleen return -1; 110444b1e60aSAndi Kleen s = *str; 110544b1e60aSAndi Kleen if (i - off == 0) { 110644b1e60aSAndi Kleen *s = 0; 110744b1e60aSAndi Kleen return 0; 110844b1e60aSAndi Kleen } 110944b1e60aSAndi Kleen if (use_group) 111044b1e60aSAndi Kleen *s++ = '{'; 111144b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 111244b1e60aSAndi Kleen strcpy(s, attr[i]); 111344b1e60aSAndi Kleen s += strlen(s); 111444b1e60aSAndi Kleen *s++ = ','; 111544b1e60aSAndi Kleen } 111644b1e60aSAndi Kleen if (use_group) { 111744b1e60aSAndi Kleen s[-1] = '}'; 111844b1e60aSAndi Kleen *s = 0; 111944b1e60aSAndi Kleen } else 112044b1e60aSAndi Kleen s[-1] = 0; 112144b1e60aSAndi Kleen return 0; 112244b1e60aSAndi Kleen } 112344b1e60aSAndi Kleen 112444b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 112544b1e60aSAndi Kleen { 112644b1e60aSAndi Kleen *warn = false; 112744b1e60aSAndi Kleen return false; 112844b1e60aSAndi Kleen } 112944b1e60aSAndi Kleen 113044b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 113144b1e60aSAndi Kleen { 113244b1e60aSAndi Kleen } 113344b1e60aSAndi Kleen 11342cba3ffbSIngo Molnar /* 11352cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 11362cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 11372cba3ffbSIngo Molnar */ 11382cba3ffbSIngo Molnar static int add_default_attributes(void) 11392cba3ffbSIngo Molnar { 114044b1e60aSAndi Kleen int err; 11419dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1142b070a547SArnaldo Carvalho de Melo 1143b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1144b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1145b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1146b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1147b070a547SArnaldo Carvalho de Melo 1148b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 11499dec4473SAndi Kleen }; 11509dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1151b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 11529dec4473SAndi Kleen }; 11539dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1154b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 11559dec4473SAndi Kleen }; 11569dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1157b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1158b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1159b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1160b070a547SArnaldo Carvalho de Melo 1161b070a547SArnaldo Carvalho de Melo }; 1162b070a547SArnaldo Carvalho de Melo 1163b070a547SArnaldo Carvalho de Melo /* 1164b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1165b070a547SArnaldo Carvalho de Melo */ 1166b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1167b070a547SArnaldo Carvalho de Melo 1168b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1169b070a547SArnaldo Carvalho de Melo .config = 1170b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1171b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1172b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1173b070a547SArnaldo Carvalho de Melo 1174b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1175b070a547SArnaldo Carvalho de Melo .config = 1176b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1177b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1178b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1179b070a547SArnaldo Carvalho de Melo 1180b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1181b070a547SArnaldo Carvalho de Melo .config = 1182b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1183b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1184b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1185b070a547SArnaldo Carvalho de Melo 1186b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1187b070a547SArnaldo Carvalho de Melo .config = 1188b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1189b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1190b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1191b070a547SArnaldo Carvalho de Melo }; 1192b070a547SArnaldo Carvalho de Melo 1193b070a547SArnaldo Carvalho de Melo /* 1194b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1195b070a547SArnaldo Carvalho de Melo */ 1196b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1197b070a547SArnaldo Carvalho de Melo 1198b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1199b070a547SArnaldo Carvalho de Melo .config = 1200b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1201b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1202b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1203b070a547SArnaldo Carvalho de Melo 1204b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1205b070a547SArnaldo Carvalho de Melo .config = 1206b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1207b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1208b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1209b070a547SArnaldo Carvalho de Melo 1210b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1211b070a547SArnaldo Carvalho de Melo .config = 1212b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1213b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1214b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1215b070a547SArnaldo Carvalho de Melo 1216b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1217b070a547SArnaldo Carvalho de Melo .config = 1218b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1219b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1220b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1221b070a547SArnaldo Carvalho de Melo 1222b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1223b070a547SArnaldo Carvalho de Melo .config = 1224b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1225b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1226b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1227b070a547SArnaldo Carvalho de Melo 1228b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1229b070a547SArnaldo Carvalho de Melo .config = 1230b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1231b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1232b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1233b070a547SArnaldo Carvalho de Melo 1234b070a547SArnaldo Carvalho de Melo }; 1235b070a547SArnaldo Carvalho de Melo 1236b070a547SArnaldo Carvalho de Melo /* 1237b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1238b070a547SArnaldo Carvalho de Melo */ 1239b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1240b070a547SArnaldo Carvalho de Melo 1241b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1242b070a547SArnaldo Carvalho de Melo .config = 1243b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1244b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1245b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1246b070a547SArnaldo Carvalho de Melo 1247b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1248b070a547SArnaldo Carvalho de Melo .config = 1249b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1250b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1251b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1252b070a547SArnaldo Carvalho de Melo }; 1253a5cfa621SJiri Olsa struct parse_events_error errinfo; 1254b070a547SArnaldo Carvalho de Melo 12552cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 1256aea0dca1SJiri Olsa if (stat_config.null_run) 12572cba3ffbSIngo Molnar return 0; 12582cba3ffbSIngo Molnar 12594cabc3d1SAndi Kleen if (transaction_run) { 1260742d92ffSThomas Richter /* Handle -T as -M transaction. Once platform specific metrics 1261742d92ffSThomas Richter * support has been added to the json files, all archictures 1262742d92ffSThomas Richter * will use this approach. To determine transaction support 1263742d92ffSThomas Richter * on an architecture test for such a metric name. 1264742d92ffSThomas Richter */ 1265742d92ffSThomas Richter if (metricgroup__has_metric("transaction")) { 1266742d92ffSThomas Richter struct option opt = { .value = &evsel_list }; 1267742d92ffSThomas Richter 1268742d92ffSThomas Richter return metricgroup__parse_groups(&opt, "transaction", 1269d0192fdbSJiri Olsa &stat_config.metric_events); 1270742d92ffSThomas Richter } 1271742d92ffSThomas Richter 12724cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 12734cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1274fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 1275fca32340SThomas Richter &errinfo); 12764cabc3d1SAndi Kleen else 1277fca32340SThomas Richter err = parse_events(evsel_list, 1278fca32340SThomas Richter transaction_limited_attrs, 1279fca32340SThomas Richter &errinfo); 1280a454742cSJiri Olsa if (err) { 12814cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 1282a5cfa621SJiri Olsa parse_events_print_error(&errinfo, transaction_attrs); 12834cabc3d1SAndi Kleen return -1; 12844cabc3d1SAndi Kleen } 12854cabc3d1SAndi Kleen return 0; 12864cabc3d1SAndi Kleen } 12874cabc3d1SAndi Kleen 1288daefd0bcSKan Liang if (smi_cost) { 1289daefd0bcSKan Liang int smi; 1290daefd0bcSKan Liang 1291daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 1292daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 1293daefd0bcSKan Liang return -1; 1294daefd0bcSKan Liang } 1295daefd0bcSKan Liang 1296daefd0bcSKan Liang if (!smi) { 1297daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 1298daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 1299daefd0bcSKan Liang return -1; 1300daefd0bcSKan Liang } 1301daefd0bcSKan Liang smi_reset = true; 1302daefd0bcSKan Liang } 1303daefd0bcSKan Liang 1304daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 1305daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 1306daefd0bcSKan Liang if (!force_metric_only) 13070ce5aa02SJiri Olsa stat_config.metric_only = true; 1308a5cfa621SJiri Olsa err = parse_events(evsel_list, smi_cost_attrs, &errinfo); 1309daefd0bcSKan Liang } else { 1310daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 1311daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 1312a5cfa621SJiri Olsa parse_events_print_error(&errinfo, smi_cost_attrs); 1313daefd0bcSKan Liang return -1; 1314daefd0bcSKan Liang } 1315daefd0bcSKan Liang if (err) { 1316daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 1317daefd0bcSKan Liang return -1; 1318daefd0bcSKan Liang } 1319daefd0bcSKan Liang return 0; 1320daefd0bcSKan Liang } 1321daefd0bcSKan Liang 132244b1e60aSAndi Kleen if (topdown_run) { 132344b1e60aSAndi Kleen char *str = NULL; 132444b1e60aSAndi Kleen bool warn = false; 132544b1e60aSAndi Kleen 132644b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 132744b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 132844b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 132944b1e60aSAndi Kleen return -1; 133044b1e60aSAndi Kleen } 133144b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 133244b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 133344b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 133444b1e60aSAndi Kleen return -1; 133544b1e60aSAndi Kleen } 133644b1e60aSAndi Kleen 133744b1e60aSAndi Kleen if (!force_metric_only) 13380ce5aa02SJiri Olsa stat_config.metric_only = true; 133944b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 134044b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 134144b1e60aSAndi Kleen pr_err("Out of memory\n"); 134244b1e60aSAndi Kleen return -1; 134344b1e60aSAndi Kleen } 134444b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 134544b1e60aSAndi Kleen if (warn) 134644b1e60aSAndi Kleen arch_topdown_group_warn(); 1347a5cfa621SJiri Olsa err = parse_events(evsel_list, str, &errinfo); 134844b1e60aSAndi Kleen if (err) { 134944b1e60aSAndi Kleen fprintf(stderr, 135044b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 135144b1e60aSAndi Kleen str, err); 1352a5cfa621SJiri Olsa parse_events_print_error(&errinfo, str); 1353c74b0503SLeo Yan free(str); 135444b1e60aSAndi Kleen return -1; 135544b1e60aSAndi Kleen } 135644b1e60aSAndi Kleen } else { 135744b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 135844b1e60aSAndi Kleen return -1; 135944b1e60aSAndi Kleen } 136044b1e60aSAndi Kleen free(str); 136144b1e60aSAndi Kleen } 136244b1e60aSAndi Kleen 13632cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 1364a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 1365a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 1366a1f3d567SNamhyung Kim 13679dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 13689dec4473SAndi Kleen return -1; 13699dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 13709dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 13719dec4473SAndi Kleen frontend_attrs) < 0) 13729dec4473SAndi Kleen return -1; 13739dec4473SAndi Kleen } 13749dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 13759dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 13769dec4473SAndi Kleen backend_attrs) < 0) 13779dec4473SAndi Kleen return -1; 13789dec4473SAndi Kleen } 13799dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 13802cba3ffbSIngo Molnar return -1; 13812cba3ffbSIngo Molnar } 13822cba3ffbSIngo Molnar 13832cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 13842cba3ffbSIngo Molnar 13852cba3ffbSIngo Molnar if (detailed_run < 1) 13862cba3ffbSIngo Molnar return 0; 13872cba3ffbSIngo Molnar 13882cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 138979695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 13902cba3ffbSIngo Molnar return -1; 13912cba3ffbSIngo Molnar 13922cba3ffbSIngo Molnar if (detailed_run < 2) 13932cba3ffbSIngo Molnar return 0; 13942cba3ffbSIngo Molnar 13952cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 139679695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 13972cba3ffbSIngo Molnar return -1; 13982cba3ffbSIngo Molnar 13992cba3ffbSIngo Molnar if (detailed_run < 3) 14002cba3ffbSIngo Molnar return 0; 14012cba3ffbSIngo Molnar 14022cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 140379695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 14042cba3ffbSIngo Molnar } 14052cba3ffbSIngo Molnar 14068a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 14074979d0c7SJiri Olsa "perf stat record [<options>]", 14084979d0c7SJiri Olsa NULL, 14094979d0c7SJiri Olsa }; 14104979d0c7SJiri Olsa 14113ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 14123ba78bd0SJiri Olsa { 14133ba78bd0SJiri Olsa int feat; 14143ba78bd0SJiri Olsa 14153ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 14163ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 14173ba78bd0SJiri Olsa 14188002a63fSJiri Olsa perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT); 14193ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 14203ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 14213ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 14223ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 14233ba78bd0SJiri Olsa } 14243ba78bd0SJiri Olsa 14254979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 14264979d0c7SJiri Olsa { 14274979d0c7SJiri Olsa struct perf_session *session; 14288ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 14294979d0c7SJiri Olsa 14308a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 14314979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 14324979d0c7SJiri Olsa 14334979d0c7SJiri Olsa if (output_name) 14342d4f2799SJiri Olsa data->path = output_name; 14354979d0c7SJiri Olsa 1436d97ae04bSJiri Olsa if (stat_config.run_count != 1 || forever) { 1437e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1438e9d6db8eSJiri Olsa return -1; 1439e9d6db8eSJiri Olsa } 1440e9d6db8eSJiri Olsa 14418ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 14424979d0c7SJiri Olsa if (session == NULL) { 14434979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 14444979d0c7SJiri Olsa return -1; 14454979d0c7SJiri Olsa } 14464979d0c7SJiri Olsa 14473ba78bd0SJiri Olsa init_features(session); 14483ba78bd0SJiri Olsa 14494979d0c7SJiri Olsa session->evlist = evsel_list; 14504979d0c7SJiri Olsa perf_stat.session = session; 14514979d0c7SJiri Olsa perf_stat.record = true; 14524979d0c7SJiri Olsa return argc; 14534979d0c7SJiri Olsa } 14544979d0c7SJiri Olsa 145589f1688aSJiri Olsa static int process_stat_round_event(struct perf_session *session, 145689f1688aSJiri Olsa union perf_event *event) 1457a56f9390SJiri Olsa { 1458e3b03b6cSAndi Kleen struct stat_round_event *stat_round = &event->stat_round; 1459a56f9390SJiri Olsa struct perf_evsel *counter; 1460a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 1461a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 1462a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 1463a56f9390SJiri Olsa 1464e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1465a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 1466a56f9390SJiri Olsa 1467e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 1468e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 1469a56f9390SJiri Olsa 1470e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 1471bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 1472bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 1473a56f9390SJiri Olsa ts = &tsh; 1474a56f9390SJiri Olsa } 1475a56f9390SJiri Olsa 1476a56f9390SJiri Olsa print_counters(ts, argc, argv); 1477a56f9390SJiri Olsa return 0; 1478a56f9390SJiri Olsa } 1479a56f9390SJiri Olsa 148062ba18baSJiri Olsa static 148189f1688aSJiri Olsa int process_stat_config_event(struct perf_session *session, 148289f1688aSJiri Olsa union perf_event *event) 148362ba18baSJiri Olsa { 148489f1688aSJiri Olsa struct perf_tool *tool = session->tool; 148568d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 148668d702f7SJiri Olsa 148762ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 148868d702f7SJiri Olsa 148989af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 149089af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 149189af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 149289af4e05SJiri Olsa return 0; 149389af4e05SJiri Olsa } 149489af4e05SJiri Olsa 149589af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 149689af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 149789af4e05SJiri Olsa 14988ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 149968d702f7SJiri Olsa perf_stat_init_aggr_mode(); 150068d702f7SJiri Olsa else 150168d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 150268d702f7SJiri Olsa 150362ba18baSJiri Olsa return 0; 150462ba18baSJiri Olsa } 150562ba18baSJiri Olsa 15061975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 15071975d36eSJiri Olsa { 15081975d36eSJiri Olsa if (!st->cpus || !st->threads) 15091975d36eSJiri Olsa return 0; 15101975d36eSJiri Olsa 15111975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 15121975d36eSJiri Olsa return -EINVAL; 15131975d36eSJiri Olsa 15141975d36eSJiri Olsa perf_evlist__set_maps(evsel_list, st->cpus, st->threads); 15151975d36eSJiri Olsa 15161975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 15171975d36eSJiri Olsa return -ENOMEM; 15181975d36eSJiri Olsa 15191975d36eSJiri Olsa st->maps_allocated = true; 15201975d36eSJiri Olsa return 0; 15211975d36eSJiri Olsa } 15221975d36eSJiri Olsa 15231975d36eSJiri Olsa static 152489f1688aSJiri Olsa int process_thread_map_event(struct perf_session *session, 152589f1688aSJiri Olsa union perf_event *event) 15261975d36eSJiri Olsa { 152789f1688aSJiri Olsa struct perf_tool *tool = session->tool; 15281975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 15291975d36eSJiri Olsa 15301975d36eSJiri Olsa if (st->threads) { 15311975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 15321975d36eSJiri Olsa return 0; 15331975d36eSJiri Olsa } 15341975d36eSJiri Olsa 15351975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 15361975d36eSJiri Olsa if (!st->threads) 15371975d36eSJiri Olsa return -ENOMEM; 15381975d36eSJiri Olsa 15391975d36eSJiri Olsa return set_maps(st); 15401975d36eSJiri Olsa } 15411975d36eSJiri Olsa 15421975d36eSJiri Olsa static 154389f1688aSJiri Olsa int process_cpu_map_event(struct perf_session *session, 154489f1688aSJiri Olsa union perf_event *event) 15451975d36eSJiri Olsa { 154689f1688aSJiri Olsa struct perf_tool *tool = session->tool; 15471975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 15481975d36eSJiri Olsa struct cpu_map *cpus; 15491975d36eSJiri Olsa 15501975d36eSJiri Olsa if (st->cpus) { 15511975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 15521975d36eSJiri Olsa return 0; 15531975d36eSJiri Olsa } 15541975d36eSJiri Olsa 15551975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 15561975d36eSJiri Olsa if (!cpus) 15571975d36eSJiri Olsa return -ENOMEM; 15581975d36eSJiri Olsa 15591975d36eSJiri Olsa st->cpus = cpus; 15601975d36eSJiri Olsa return set_maps(st); 15611975d36eSJiri Olsa } 15621975d36eSJiri Olsa 156356739444SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 156456739444SJin Yao { 156556739444SJin Yao int i; 156656739444SJin Yao 156756739444SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 156856739444SJin Yao if (!config->stats) 156956739444SJin Yao return -1; 157056739444SJin Yao 157156739444SJin Yao config->stats_num = nthreads; 157256739444SJin Yao 157356739444SJin Yao for (i = 0; i < nthreads; i++) 157456739444SJin Yao runtime_stat__init(&config->stats[i]); 157556739444SJin Yao 157656739444SJin Yao return 0; 157756739444SJin Yao } 157856739444SJin Yao 157956739444SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 158056739444SJin Yao { 158156739444SJin Yao int i; 158256739444SJin Yao 158356739444SJin Yao if (!config->stats) 158456739444SJin Yao return; 158556739444SJin Yao 158656739444SJin Yao for (i = 0; i < config->stats_num; i++) 158756739444SJin Yao runtime_stat__exit(&config->stats[i]); 158856739444SJin Yao 158956739444SJin Yao free(config->stats); 159056739444SJin Yao } 159156739444SJin Yao 15928a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 1593ba6039b6SJiri Olsa "perf stat report [<options>]", 1594ba6039b6SJiri Olsa NULL, 1595ba6039b6SJiri Olsa }; 1596ba6039b6SJiri Olsa 1597ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 1598ba6039b6SJiri Olsa .tool = { 1599ba6039b6SJiri Olsa .attr = perf_event__process_attr, 1600fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 16011975d36eSJiri Olsa .thread_map = process_thread_map_event, 16021975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 160362ba18baSJiri Olsa .stat_config = process_stat_config_event, 1604a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 1605a56f9390SJiri Olsa .stat_round = process_stat_round_event, 1606ba6039b6SJiri Olsa }, 160789af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 1608ba6039b6SJiri Olsa }; 1609ba6039b6SJiri Olsa 1610ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 1611ba6039b6SJiri Olsa { 1612ba6039b6SJiri Olsa struct perf_session *session; 1613ba6039b6SJiri Olsa const struct option options[] = { 1614ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 161589af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 161689af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1617db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &perf_stat.aggr_mode, 1618db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 161989af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 162089af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 162189af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 162289af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1623ba6039b6SJiri Olsa OPT_END() 1624ba6039b6SJiri Olsa }; 1625ba6039b6SJiri Olsa struct stat st; 1626ba6039b6SJiri Olsa int ret; 1627ba6039b6SJiri Olsa 16288a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 1629ba6039b6SJiri Olsa 1630ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 1631ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1632ba6039b6SJiri Olsa input_name = "-"; 1633ba6039b6SJiri Olsa else 1634ba6039b6SJiri Olsa input_name = "perf.data"; 1635ba6039b6SJiri Olsa } 1636ba6039b6SJiri Olsa 16372d4f2799SJiri Olsa perf_stat.data.path = input_name; 16388ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 1639ba6039b6SJiri Olsa 16408ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 1641ba6039b6SJiri Olsa if (session == NULL) 1642ba6039b6SJiri Olsa return -1; 1643ba6039b6SJiri Olsa 1644ba6039b6SJiri Olsa perf_stat.session = session; 1645ba6039b6SJiri Olsa stat_config.output = stderr; 1646ba6039b6SJiri Olsa evsel_list = session->evlist; 1647ba6039b6SJiri Olsa 1648ba6039b6SJiri Olsa ret = perf_session__process_events(session); 1649ba6039b6SJiri Olsa if (ret) 1650ba6039b6SJiri Olsa return ret; 1651ba6039b6SJiri Olsa 1652ba6039b6SJiri Olsa perf_session__delete(session); 1653ba6039b6SJiri Olsa return 0; 1654ba6039b6SJiri Olsa } 1655ba6039b6SJiri Olsa 1656e3ba76deSJiri Olsa static void setup_system_wide(int forks) 1657e3ba76deSJiri Olsa { 1658e3ba76deSJiri Olsa /* 1659e3ba76deSJiri Olsa * Make system wide (-a) the default target if 1660e3ba76deSJiri Olsa * no target was specified and one of following 1661e3ba76deSJiri Olsa * conditions is met: 1662e3ba76deSJiri Olsa * 1663e3ba76deSJiri Olsa * - there's no workload specified 1664e3ba76deSJiri Olsa * - there is workload specified but all requested 1665e3ba76deSJiri Olsa * events are system wide events 1666e3ba76deSJiri Olsa */ 1667e3ba76deSJiri Olsa if (!target__none(&target)) 1668e3ba76deSJiri Olsa return; 1669e3ba76deSJiri Olsa 1670e3ba76deSJiri Olsa if (!forks) 1671e3ba76deSJiri Olsa target.system_wide = true; 1672e3ba76deSJiri Olsa else { 1673e3ba76deSJiri Olsa struct perf_evsel *counter; 1674e3ba76deSJiri Olsa 1675e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 1676e3ba76deSJiri Olsa if (!counter->system_wide) 1677e3ba76deSJiri Olsa return; 1678e3ba76deSJiri Olsa } 1679e3ba76deSJiri Olsa 1680e3ba76deSJiri Olsa if (evsel_list->nr_entries) 1681e3ba76deSJiri Olsa target.system_wide = true; 1682e3ba76deSJiri Olsa } 1683e3ba76deSJiri Olsa } 1684e3ba76deSJiri Olsa 1685b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 168686470930SIngo Molnar { 1687b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1688b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1689b070a547SArnaldo Carvalho de Melo NULL 1690b070a547SArnaldo Carvalho de Melo }; 1691cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 16924aa9015fSStephane Eranian const char *mode; 16935821522eSJiri Olsa FILE *output = stderr; 1694f1f8ad52Syuzhoujian unsigned int interval, timeout; 1695ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 169642202dd5SIngo Molnar 16975af52b51SStephane Eranian setlocale(LC_ALL, ""); 16985af52b51SStephane Eranian 1699334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 1700361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1701361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1702361c99a6SArnaldo Carvalho de Melo 17031669e509SWang Nan parse_events__shrink_config_terms(); 170451433eadSMichael Petlan 170551433eadSMichael Petlan /* String-parsing callback-based options would segfault when negated */ 170651433eadSMichael Petlan set_option_flag(stat_options, 'e', "event", PARSE_OPT_NONEG); 170751433eadSMichael Petlan set_option_flag(stat_options, 'M', "metrics", PARSE_OPT_NONEG); 170851433eadSMichael Petlan set_option_flag(stat_options, 'G', "cgroup", PARSE_OPT_NONEG); 170951433eadSMichael Petlan 17104979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 17114979d0c7SJiri Olsa (const char **) stat_usage, 1712a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 171337932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 1714fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 1715d7470b6aSStephane Eranian 1716fa7070a3SJiri Olsa if (stat_config.csv_sep) { 1717fa7070a3SJiri Olsa stat_config.csv_output = true; 1718fa7070a3SJiri Olsa if (!strcmp(stat_config.csv_sep, "\\t")) 1719fa7070a3SJiri Olsa stat_config.csv_sep = "\t"; 17206edb78a2SJiri Olsa } else 1721fa7070a3SJiri Olsa stat_config.csv_sep = DEFAULT_SEPARATOR; 17226edb78a2SJiri Olsa 17234979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 17244979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 17254979d0c7SJiri Olsa if (argc < 0) 17264979d0c7SJiri Olsa return -1; 1727ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 1728ba6039b6SJiri Olsa return __cmd_report(argc, argv); 17294979d0c7SJiri Olsa 1730ec0d3d1fSJiri Olsa interval = stat_config.interval; 1731f1f8ad52Syuzhoujian timeout = stat_config.timeout; 1732ec0d3d1fSJiri Olsa 17334979d0c7SJiri Olsa /* 17344979d0c7SJiri Olsa * For record command the -o is already taken care of. 17354979d0c7SJiri Olsa */ 17364979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 17374aa9015fSStephane Eranian output = NULL; 17384aa9015fSStephane Eranian 173956f3bae7SJim Cromie if (output_name && output_fd) { 174056f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1741e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 1742e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 1743cc03c542SNamhyung Kim goto out; 174456f3bae7SJim Cromie } 1745fc3e4d07SStephane Eranian 17460ce5aa02SJiri Olsa if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) { 174754b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 174854b50916SAndi Kleen goto out; 174954b50916SAndi Kleen } 175054b50916SAndi Kleen 1751d97ae04bSJiri Olsa if (stat_config.metric_only && stat_config.run_count > 1) { 175254b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 175354b50916SAndi Kleen goto out; 175454b50916SAndi Kleen } 175554b50916SAndi Kleen 175654ac0b1bSJiri Olsa if (stat_config.walltime_run_table && stat_config.run_count <= 1) { 1757e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 1758e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1759e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 1760e55c14afSJiri Olsa goto out; 1761e55c14afSJiri Olsa } 1762e55c14afSJiri Olsa 1763fc3e4d07SStephane Eranian if (output_fd < 0) { 1764fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 1765e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 1766cc03c542SNamhyung Kim goto out; 1767fc3e4d07SStephane Eranian } 1768fc3e4d07SStephane Eranian 17694aa9015fSStephane Eranian if (!output) { 17704aa9015fSStephane Eranian struct timespec tm; 17714aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 17724aa9015fSStephane Eranian 17734aa9015fSStephane Eranian output = fopen(output_name, mode); 17744aa9015fSStephane Eranian if (!output) { 17754aa9015fSStephane Eranian perror("failed to create output file"); 1776fceda7feSDavid Ahern return -1; 17774aa9015fSStephane Eranian } 17784aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 17794aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 1780fc3e4d07SStephane Eranian } else if (output_fd > 0) { 178156f3bae7SJim Cromie mode = append_file ? "a" : "w"; 178256f3bae7SJim Cromie output = fdopen(output_fd, mode); 178356f3bae7SJim Cromie if (!output) { 178456f3bae7SJim Cromie perror("Failed opening logfd"); 178556f3bae7SJim Cromie return -errno; 178656f3bae7SJim Cromie } 17874aa9015fSStephane Eranian } 17884aa9015fSStephane Eranian 17895821522eSJiri Olsa stat_config.output = output; 17905821522eSJiri Olsa 1791d7470b6aSStephane Eranian /* 1792d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 1793d7470b6aSStephane Eranian */ 1794fa7070a3SJiri Olsa if (stat_config.csv_output) { 179561a9f324SJim Cromie /* User explicitly passed -B? */ 1796d7470b6aSStephane Eranian if (big_num_opt == 1) { 1797d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 1798e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 1799e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 1800cc03c542SNamhyung Kim goto out; 1801d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 180234ff0866SJiri Olsa stat_config.big_num = false; 1803d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 180434ff0866SJiri Olsa stat_config.big_num = false; 1805d7470b6aSStephane Eranian 1806e3ba76deSJiri Olsa setup_system_wide(argc); 1807ac3063bdSDavid Ahern 18080ce2da14SJiri Olsa /* 18090ce2da14SJiri Olsa * Display user/system times only for single 18100ce2da14SJiri Olsa * run and when there's specified tracee. 18110ce2da14SJiri Olsa */ 1812d97ae04bSJiri Olsa if ((stat_config.run_count == 1) && target__none(&target)) 18138897a891SJiri Olsa stat_config.ru_display = true; 18140ce2da14SJiri Olsa 1815d97ae04bSJiri Olsa if (stat_config.run_count < 0) { 1816cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 1817e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1818cc03c542SNamhyung Kim goto out; 1819d97ae04bSJiri Olsa } else if (stat_config.run_count == 0) { 1820a7e191c3SFrederik Deweerdt forever = true; 1821d97ae04bSJiri Olsa stat_config.run_count = 1; 1822a7e191c3SFrederik Deweerdt } 182386470930SIngo Molnar 182454ac0b1bSJiri Olsa if (stat_config.walltime_run_table) { 182554ac0b1bSJiri Olsa stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0])); 182654ac0b1bSJiri Olsa if (!stat_config.walltime_run) { 1827e55c14afSJiri Olsa pr_err("failed to setup -r option"); 1828e55c14afSJiri Olsa goto out; 1829e55c14afSJiri Olsa } 1830e55c14afSJiri Olsa } 1831e55c14afSJiri Olsa 18321d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 18331d9f8d1bSJin Yao !target__has_task(&target)) { 18341d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 18351d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 18361d9f8d1bSJin Yao "available when monitoring via -p -t -a " 18371d9f8d1bSJin Yao "options or only --per-thread.\n"); 1838e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 1839e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 184032b8af82SJiri Olsa goto out; 184132b8af82SJiri Olsa } 18421d9f8d1bSJin Yao } 184332b8af82SJiri Olsa 184432b8af82SJiri Olsa /* 184532b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 184632b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 184732b8af82SJiri Olsa */ 1848421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 1849421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 1850602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 1851023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 1852023695d9SStephane Eranian "modes only available in system-wide mode\n"); 1853023695d9SStephane Eranian 1854e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 1855e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 1856e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1857cc03c542SNamhyung Kim goto out; 1858d7e7a451SStephane Eranian } 1859d7e7a451SStephane Eranian 18602cba3ffbSIngo Molnar if (add_default_attributes()) 1861c6264defSIngo Molnar goto out; 186286470930SIngo Molnar 1863602ad878SArnaldo Carvalho de Melo target__validate(&target); 18645c98d466SArnaldo Carvalho de Melo 18651d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 18661d9f8d1bSJin Yao target.per_thread = true; 18671d9f8d1bSJin Yao 186877a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 1869602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 18705c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 1871e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 1872e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 1873602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 187460d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 1875e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 1876e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1877cc03c542SNamhyung Kim } 1878cc03c542SNamhyung Kim goto out; 187960d567e2SArnaldo Carvalho de Melo } 188032b8af82SJiri Olsa 188132b8af82SJiri Olsa /* 188232b8af82SJiri Olsa * Initialize thread_map with comm names, 188332b8af82SJiri Olsa * so we could print it out on output. 188432b8af82SJiri Olsa */ 188556739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 188632b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 188756739444SJin Yao if (target.system_wide) { 188856739444SJin Yao if (runtime_stat_new(&stat_config, 188956739444SJin Yao thread_map__nr(evsel_list->threads))) { 189056739444SJin Yao goto out; 189156739444SJin Yao } 189256739444SJin Yao } 189356739444SJin Yao } 189432b8af82SJiri Olsa 1895db06a269Syuzhoujian if (stat_config.times && interval) 1896db06a269Syuzhoujian interval_count = true; 1897db06a269Syuzhoujian else if (stat_config.times && !interval) { 1898db06a269Syuzhoujian pr_err("interval-count option should be used together with " 1899db06a269Syuzhoujian "interval-print.\n"); 1900db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 1901db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 1902db06a269Syuzhoujian goto out; 1903db06a269Syuzhoujian } 1904c45c6ea2SStephane Eranian 1905f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 1906f1f8ad52Syuzhoujian if (timeout < 10) { 1907f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 1908f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 1909f1f8ad52Syuzhoujian goto out; 1910f1f8ad52Syuzhoujian } else 1911f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 1912f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 1913f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 1914f1f8ad52Syuzhoujian } 1915f1f8ad52Syuzhoujian if (timeout && interval) { 1916f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 1917f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 1918f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 1919f1f8ad52Syuzhoujian goto out; 1920f1f8ad52Syuzhoujian } 1921f1f8ad52Syuzhoujian 1922d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 192303ad9747SArnaldo Carvalho de Melo goto out; 1924d6d901c2SZhang, Yanmin 192586ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 192603ad9747SArnaldo Carvalho de Melo goto out; 192786ee6e18SStephane Eranian 192886470930SIngo Molnar /* 19297d9ad16aSJiri Olsa * Set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 19307d9ad16aSJiri Olsa * while avoiding that older tools show confusing messages. 19317d9ad16aSJiri Olsa * 19327d9ad16aSJiri Olsa * However for pipe sessions we need to keep it zero, 19337d9ad16aSJiri Olsa * because script's perf_evsel__check_attr is triggered 19347d9ad16aSJiri Olsa * by attr->sample_type != 0, and we can't run it on 19357d9ad16aSJiri Olsa * stat sessions. 19367d9ad16aSJiri Olsa */ 19377d9ad16aSJiri Olsa stat_config.identifier = !(STAT_RECORD && perf_stat.data.is_pipe); 19387d9ad16aSJiri Olsa 19397d9ad16aSJiri Olsa /* 194086470930SIngo Molnar * We dont want to block the signals - that would cause 194186470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 194286470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 194386470930SIngo Molnar * task, but being ignored by perf stat itself: 194486470930SIngo Molnar */ 1945f7b7c26eSPeter Zijlstra atexit(sig_atexit); 1946a7e191c3SFrederik Deweerdt if (!forever) 194786470930SIngo Molnar signal(SIGINT, skip_signal); 194813370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 194986470930SIngo Molnar signal(SIGALRM, skip_signal); 195086470930SIngo Molnar signal(SIGABRT, skip_signal); 195186470930SIngo Molnar 195242202dd5SIngo Molnar status = 0; 1953d97ae04bSJiri Olsa for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) { 1954d97ae04bSJiri Olsa if (stat_config.run_count != 1 && verbose > 0) 19554aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 19564aa9015fSStephane Eranian run_idx + 1); 1957f9cef0a9SIngo Molnar 1958e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 1959a7e191c3SFrederik Deweerdt if (forever && status != -1) { 1960d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1961254ecbc7SJiri Olsa perf_stat__reset_stats(); 1962a7e191c3SFrederik Deweerdt } 196342202dd5SIngo Molnar } 196442202dd5SIngo Molnar 1965a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 1966d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1967d134ffb9SArnaldo Carvalho de Melo 19684979d0c7SJiri Olsa if (STAT_RECORD) { 19694979d0c7SJiri Olsa /* 19704979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 19714979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 19724979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 19734979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 19744979d0c7SJiri Olsa * 19754979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 19768b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 19778b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 19788b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 19798b99b1a4SJiri Olsa * tools remain -acme 19804979d0c7SJiri Olsa */ 19818ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 19824979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 19834979d0c7SJiri Olsa process_synthesized_event, 19844979d0c7SJiri Olsa &perf_stat.session->machines.host); 19854979d0c7SJiri Olsa if (err) { 19864979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 19874979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 19884979d0c7SJiri Olsa } 19894979d0c7SJiri Olsa 19907aad0c32SJiri Olsa if (!interval) { 19917aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 19927aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 19937aad0c32SJiri Olsa } 19947aad0c32SJiri Olsa 19958ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 19964979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 19974979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 1998664c98d4SJiri Olsa } 19994979d0c7SJiri Olsa 20004979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 20014979d0c7SJiri Olsa } 20024979d0c7SJiri Olsa 2003544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2004d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 20050015e2e1SArnaldo Carvalho de Melo out: 200654ac0b1bSJiri Olsa free(stat_config.walltime_run); 2007e55c14afSJiri Olsa 2008daefd0bcSKan Liang if (smi_cost && smi_reset) 2009daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2010daefd0bcSKan Liang 20110015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 201256739444SJin Yao 201356739444SJin Yao runtime_stat_delete(&stat_config); 201456739444SJin Yao 201542202dd5SIngo Molnar return status; 201686470930SIngo Molnar } 2017