191007045SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 286470930SIngo Molnar /* 386470930SIngo Molnar * builtin-stat.c 486470930SIngo Molnar * 586470930SIngo Molnar * Builtin stat command: Give a precise performance counters summary 686470930SIngo Molnar * overview about any workload, CPU or specific PID. 786470930SIngo Molnar * 886470930SIngo Molnar * Sample output: 986470930SIngo Molnar 102cba3ffbSIngo Molnar $ perf stat ./hackbench 10 1186470930SIngo Molnar 122cba3ffbSIngo Molnar Time: 0.118 1386470930SIngo Molnar 142cba3ffbSIngo Molnar Performance counter stats for './hackbench 10': 1586470930SIngo Molnar 162cba3ffbSIngo Molnar 1708.761321 task-clock # 11.037 CPUs utilized 172cba3ffbSIngo Molnar 41,190 context-switches # 0.024 M/sec 182cba3ffbSIngo Molnar 6,735 CPU-migrations # 0.004 M/sec 192cba3ffbSIngo Molnar 17,318 page-faults # 0.010 M/sec 202cba3ffbSIngo Molnar 5,205,202,243 cycles # 3.046 GHz 212cba3ffbSIngo Molnar 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle 222cba3ffbSIngo Molnar 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle 232cba3ffbSIngo Molnar 2,603,501,247 instructions # 0.50 insns per cycle 242cba3ffbSIngo Molnar # 1.48 stalled cycles per insn 252cba3ffbSIngo Molnar 484,357,498 branches # 283.455 M/sec 262cba3ffbSIngo Molnar 6,388,934 branch-misses # 1.32% of all branches 272cba3ffbSIngo Molnar 282cba3ffbSIngo Molnar 0.154822978 seconds time elapsed 2986470930SIngo Molnar 3086470930SIngo Molnar * 312cba3ffbSIngo Molnar * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> 3286470930SIngo Molnar * 3386470930SIngo Molnar * Improvements and fixes by: 3486470930SIngo Molnar * 3586470930SIngo Molnar * Arjan van de Ven <arjan@linux.intel.com> 3686470930SIngo Molnar * Yanmin Zhang <yanmin.zhang@intel.com> 3786470930SIngo Molnar * Wu Fengguang <fengguang.wu@intel.com> 3886470930SIngo Molnar * Mike Galbraith <efault@gmx.de> 3986470930SIngo Molnar * Paul Mackerras <paulus@samba.org> 406e750a8fSJaswinder Singh Rajput * Jaswinder Singh Rajput <jaswinder@kernel.org> 4186470930SIngo Molnar */ 4286470930SIngo Molnar 4386470930SIngo Molnar #include "builtin.h" 44c1a604dfSArnaldo Carvalho de Melo #include "perf.h" 45f14d5707SArnaldo Carvalho de Melo #include "util/cgroup.h" 464b6ab94eSJosh Poimboeuf #include <subcmd/parse-options.h> 4786470930SIngo Molnar #include "util/parse-events.h" 484cabc3d1SAndi Kleen #include "util/pmu.h" 498f28827aSFrederic Weisbecker #include "util/event.h" 50361c99a6SArnaldo Carvalho de Melo #include "util/evlist.h" 5169aad6f1SArnaldo Carvalho de Melo #include "util/evsel.h" 528f28827aSFrederic Weisbecker #include "util/debug.h" 53a5d243d0SIngo Molnar #include "util/color.h" 540007eceaSXiao Guangrong #include "util/stat.h" 5560666c63SLiming Wang #include "util/header.h" 56a12b51c4SPaul Mackerras #include "util/cpumap.h" 57fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 58d809560bSJiri Olsa #include "util/counts.h" 5944b1e60aSAndi Kleen #include "util/group.h" 604979d0c7SJiri Olsa #include "util/session.h" 61ba6039b6SJiri Olsa #include "util/tool.h" 62a067558eSArnaldo Carvalho de Melo #include "util/string2.h" 63b18f3e36SAndi Kleen #include "util/metricgroup.h" 64ea49e01cSArnaldo Carvalho de Melo #include "util/synthetic-events.h" 65aeb00b1aSArnaldo Carvalho de Melo #include "util/target.h" 66f3711020SArnaldo Carvalho de Melo #include "util/time-utils.h" 679660e08eSJiri Olsa #include "util/top.h" 684804e011SAndi Kleen #include "util/affinity.h" 69ba6039b6SJiri Olsa #include "asm/bug.h" 7086470930SIngo Molnar 71bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 727f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 7344b1e60aSAndi Kleen #include <api/fs/fs.h> 74a43783aeSArnaldo Carvalho de Melo #include <errno.h> 759607ad3aSArnaldo Carvalho de Melo #include <signal.h> 761f16c575SPeter Zijlstra #include <stdlib.h> 7786470930SIngo Molnar #include <sys/prctl.h> 78fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 795af52b51SStephane Eranian #include <locale.h> 80e3b03b6cSAndi Kleen #include <math.h> 817a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 827a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 834208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 847a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 850ce2da14SJiri Olsa #include <sys/time.h> 860ce2da14SJiri Olsa #include <sys/resource.h> 876ef81c55SMamatha Inamdar #include <linux/err.h> 8886470930SIngo Molnar 893052ba56SArnaldo Carvalho de Melo #include <linux/ctype.h> 90453fa030SJiri Olsa #include <perf/evlist.h> 913d689ed6SArnaldo Carvalho de Melo 92d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 93daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 94d7470b6aSStephane Eranian 95d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9613370a9bSStephane Eranian 974cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 98a454742cSJiri Olsa static const char *transaction_attrs = { 99a454742cSJiri Olsa "task-clock," 1004cabc3d1SAndi Kleen "{" 1014cabc3d1SAndi Kleen "instructions," 1024cabc3d1SAndi Kleen "cycles," 1034cabc3d1SAndi Kleen "cpu/cycles-t/," 1044cabc3d1SAndi Kleen "cpu/tx-start/," 1054cabc3d1SAndi Kleen "cpu/el-start/," 1064cabc3d1SAndi Kleen "cpu/cycles-ct/" 1074cabc3d1SAndi Kleen "}" 1084cabc3d1SAndi Kleen }; 1094cabc3d1SAndi Kleen 1104cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 111a454742cSJiri Olsa static const char * transaction_limited_attrs = { 112a454742cSJiri Olsa "task-clock," 1134cabc3d1SAndi Kleen "{" 1144cabc3d1SAndi Kleen "instructions," 1154cabc3d1SAndi Kleen "cycles," 1164cabc3d1SAndi Kleen "cpu/cycles-t/," 1174cabc3d1SAndi Kleen "cpu/tx-start/" 1184cabc3d1SAndi Kleen "}" 1194cabc3d1SAndi Kleen }; 1204cabc3d1SAndi Kleen 12144b1e60aSAndi Kleen static const char * topdown_attrs[] = { 12244b1e60aSAndi Kleen "topdown-total-slots", 12344b1e60aSAndi Kleen "topdown-slots-retired", 12444b1e60aSAndi Kleen "topdown-recovery-bubbles", 12544b1e60aSAndi Kleen "topdown-fetch-bubbles", 12644b1e60aSAndi Kleen "topdown-slots-issued", 12744b1e60aSAndi Kleen NULL, 12844b1e60aSAndi Kleen }; 12944b1e60aSAndi Kleen 130daefd0bcSKan Liang static const char *smi_cost_attrs = { 131daefd0bcSKan Liang "{" 132daefd0bcSKan Liang "msr/aperf/," 133daefd0bcSKan Liang "msr/smi/," 134daefd0bcSKan Liang "cycles" 135daefd0bcSKan Liang "}" 136daefd0bcSKan Liang }; 137daefd0bcSKan Liang 13863503dbaSJiri Olsa static struct evlist *evsel_list; 139361c99a6SArnaldo Carvalho de Melo 140602ad878SArnaldo Carvalho de Melo static struct target target = { 14177a6f014SNamhyung Kim .uid = UINT_MAX, 14277a6f014SNamhyung Kim }; 14342202dd5SIngo Molnar 144c1a1f5d9SJiri Olsa #define METRIC_ONLY_LEN 20 145c1a1f5d9SJiri Olsa 146d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 1472cba3ffbSIngo Molnar static int detailed_run = 0; 1484cabc3d1SAndi Kleen static bool transaction_run; 14944b1e60aSAndi Kleen static bool topdown_run = false; 150daefd0bcSKan Liang static bool smi_cost = false; 151daefd0bcSKan Liang static bool smi_reset = false; 152d7470b6aSStephane Eranian static int big_num_opt = -1; 15343bece79SLin Ming static bool group = false; 1541f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1551f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1561f16c575SPeter Zijlstra static bool sync_run = false; 157a7e191c3SFrederik Deweerdt static bool forever = false; 15844b1e60aSAndi Kleen static bool force_metric_only = false; 15913370a9bSStephane Eranian static struct timespec ref_time; 160e0547311SJiri Olsa static bool append_file; 161db06a269Syuzhoujian static bool interval_count; 162e0547311SJiri Olsa static const char *output_name; 163e0547311SJiri Olsa static int output_fd; 1645af52b51SStephane Eranian 1654979d0c7SJiri Olsa struct perf_stat { 1664979d0c7SJiri Olsa bool record; 1678ceb41d7SJiri Olsa struct perf_data data; 1684979d0c7SJiri Olsa struct perf_session *session; 1694979d0c7SJiri Olsa u64 bytes_written; 170ba6039b6SJiri Olsa struct perf_tool tool; 1711975d36eSJiri Olsa bool maps_allocated; 172f854839bSJiri Olsa struct perf_cpu_map *cpus; 1739749b90eSJiri Olsa struct perf_thread_map *threads; 17489af4e05SJiri Olsa enum aggr_mode aggr_mode; 1754979d0c7SJiri Olsa }; 1764979d0c7SJiri Olsa 1774979d0c7SJiri Olsa static struct perf_stat perf_stat; 1784979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1794979d0c7SJiri Olsa 18060666c63SLiming Wang static volatile int done = 0; 18160666c63SLiming Wang 182421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 183421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 184711a572eSJiri Olsa .scale = true, 185df4f7b4dSJiri Olsa .unit_width = 4, /* strlen("unit") */ 186d97ae04bSJiri Olsa .run_count = 1, 187ee1760e2SJiri Olsa .metric_only_len = METRIC_ONLY_LEN, 18826893a60SJiri Olsa .walltime_nsecs_stats = &walltime_nsecs_stats, 18934ff0866SJiri Olsa .big_num = true, 190421a50f3SJiri Olsa }; 191421a50f3SJiri Olsa 19213370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 19313370a9bSStephane Eranian struct timespec *b) 19413370a9bSStephane Eranian { 19513370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 19613370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 197310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 19813370a9bSStephane Eranian r->tv_sec--; 19913370a9bSStephane Eranian } else { 20013370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 20113370a9bSStephane Eranian } 20213370a9bSStephane Eranian } 20313370a9bSStephane Eranian 204254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 205254ecbc7SJiri Olsa { 20656739444SJin Yao int i; 20756739444SJin Yao 208254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 209f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 21056739444SJin Yao 21156739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 21256739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 2131eda3b21SJiri Olsa } 2141eda3b21SJiri Olsa 2158b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2164979d0c7SJiri Olsa union perf_event *event, 2174979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2184979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2194979d0c7SJiri Olsa { 2208ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 2218b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2228b99b1a4SJiri Olsa return -1; 2238b99b1a4SJiri Olsa } 2248b99b1a4SJiri Olsa 2258b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2268b99b1a4SJiri Olsa return 0; 2274979d0c7SJiri Olsa } 2284979d0c7SJiri Olsa 2291975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 2307aad0c32SJiri Olsa { 2311975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 2327aad0c32SJiri Olsa process_synthesized_event, 2337aad0c32SJiri Olsa NULL); 2347aad0c32SJiri Olsa } 2357aad0c32SJiri Olsa 2367aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2377aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2387aad0c32SJiri Olsa 2398cd36f3eSJiri Olsa #define SID(e, x, y) xyarray__entry(e->core.sample_id, x, y) 2405a6ea81bSJiri Olsa 241ddc6999eSArnaldo Carvalho de Melo static int evsel__write_stat_event(struct evsel *counter, u32 cpu, u32 thread, 2425a6ea81bSJiri Olsa struct perf_counts_values *count) 2435a6ea81bSJiri Olsa { 2445a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2455a6ea81bSJiri Olsa 2465a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2475a6ea81bSJiri Olsa process_synthesized_event, NULL); 2485a6ea81bSJiri Olsa } 2495a6ea81bSJiri Olsa 25032dcd021SJiri Olsa static int read_single_counter(struct evsel *counter, int cpu, 251f0fbb114SAndi Kleen int thread, struct timespec *rs) 252f0fbb114SAndi Kleen { 253f0fbb114SAndi Kleen if (counter->tool_event == PERF_TOOL_DURATION_TIME) { 254f0fbb114SAndi Kleen u64 val = rs->tv_nsec + rs->tv_sec*1000000000ULL; 255f0fbb114SAndi Kleen struct perf_counts_values *count = 256f0fbb114SAndi Kleen perf_counts(counter->counts, cpu, thread); 257f0fbb114SAndi Kleen count->ena = count->run = val; 258f0fbb114SAndi Kleen count->val = val; 259f0fbb114SAndi Kleen return 0; 260f0fbb114SAndi Kleen } 261ea089692SArnaldo Carvalho de Melo return evsel__read_counter(counter, cpu, thread); 262f0fbb114SAndi Kleen } 263f0fbb114SAndi Kleen 264f5b4a9c3SStephane Eranian /* 265f5b4a9c3SStephane Eranian * Read out the results of a single counter: 266f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 267f5b4a9c3SStephane Eranian */ 2684b49ab70SAndi Kleen static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu) 269f5b4a9c3SStephane Eranian { 270a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(evsel_list->core.threads); 2714b49ab70SAndi Kleen int thread; 272f5b4a9c3SStephane Eranian 2733b4331d9SSuzuki K. Poulose if (!counter->supported) 2743b4331d9SSuzuki K. Poulose return -ENOENT; 2753b4331d9SSuzuki K. Poulose 276648b5af3SJiri Olsa if (counter->core.system_wide) 2779bf1a529SJiri Olsa nthreads = 1; 2789bf1a529SJiri Olsa 2799bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 2803b3eb044SJiri Olsa struct perf_counts_values *count; 2813b3eb044SJiri Olsa 2823b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 28382bf311eSJiri Olsa 28482bf311eSJiri Olsa /* 28582bf311eSJiri Olsa * The leader's group read loads data into its group members 286ea089692SArnaldo Carvalho de Melo * (via evsel__read_counter()) and sets their count->loaded. 28782bf311eSJiri Olsa */ 288df1d6856SJiri Olsa if (!perf_counts__is_loaded(counter->counts, cpu, thread) && 289f0fbb114SAndi Kleen read_single_counter(counter, cpu, thread, rs)) { 290db49a717SStephane Eranian counter->counts->scaled = -1; 291db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 292db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 293c52b12edSArnaldo Carvalho de Melo return -1; 294db49a717SStephane Eranian } 2955a6ea81bSJiri Olsa 296df1d6856SJiri Olsa perf_counts__set_loaded(counter->counts, cpu, thread, false); 29782bf311eSJiri Olsa 2985a6ea81bSJiri Olsa if (STAT_RECORD) { 299ddc6999eSArnaldo Carvalho de Melo if (evsel__write_stat_event(counter, cpu, thread, count)) { 3005a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3015a6ea81bSJiri Olsa return -1; 3025a6ea81bSJiri Olsa } 3035a6ea81bSJiri Olsa } 3040b1abbf4SAndi Kleen 3050b1abbf4SAndi Kleen if (verbose > 1) { 3060b1abbf4SAndi Kleen fprintf(stat_config.output, 3070b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3088ab2e96dSArnaldo Carvalho de Melo evsel__name(counter), 3090b1abbf4SAndi Kleen cpu, 3100b1abbf4SAndi Kleen count->val, count->ena, count->run); 3110b1abbf4SAndi Kleen } 312f5b4a9c3SStephane Eranian } 313c52b12edSArnaldo Carvalho de Melo 314c52b12edSArnaldo Carvalho de Melo return 0; 31586470930SIngo Molnar } 31686470930SIngo Molnar 317c7e5b328SJin Yao static int read_affinity_counters(struct timespec *rs) 318106a94a0SJiri Olsa { 31932dcd021SJiri Olsa struct evsel *counter; 3204b49ab70SAndi Kleen struct affinity affinity; 3214b49ab70SAndi Kleen int i, ncpus, cpu; 3224b49ab70SAndi Kleen 3234b49ab70SAndi Kleen if (affinity__setup(&affinity) < 0) 324c7e5b328SJin Yao return -1; 3254b49ab70SAndi Kleen 3264b49ab70SAndi Kleen ncpus = perf_cpu_map__nr(evsel_list->core.all_cpus); 3274b49ab70SAndi Kleen if (!target__has_cpu(&target) || target__has_per_thread(&target)) 3284b49ab70SAndi Kleen ncpus = 1; 3294b49ab70SAndi Kleen evlist__for_each_cpu(evsel_list, i, cpu) { 3304b49ab70SAndi Kleen if (i >= ncpus) 3314b49ab70SAndi Kleen break; 3324b49ab70SAndi Kleen affinity__set(&affinity, cpu); 333106a94a0SJiri Olsa 334e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 3354b49ab70SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 3364b49ab70SAndi Kleen continue; 3374b49ab70SAndi Kleen if (!counter->err) { 3384b49ab70SAndi Kleen counter->err = read_counter_cpu(counter, rs, 3394b49ab70SAndi Kleen counter->cpu_iter - 1); 3404b49ab70SAndi Kleen } 3414b49ab70SAndi Kleen } 3424b49ab70SAndi Kleen } 3434b49ab70SAndi Kleen affinity__cleanup(&affinity); 344c7e5b328SJin Yao return 0; 345c7e5b328SJin Yao } 346c7e5b328SJin Yao 347c7e5b328SJin Yao static void read_counters(struct timespec *rs) 348c7e5b328SJin Yao { 349c7e5b328SJin Yao struct evsel *counter; 350c7e5b328SJin Yao 351c7e5b328SJin Yao if (!stat_config.summary && (read_affinity_counters(rs) < 0)) 352c7e5b328SJin Yao return; 3533b3eb044SJiri Olsa 3544b49ab70SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 3554b49ab70SAndi Kleen if (counter->err) 3564b49ab70SAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3574b49ab70SAndi Kleen if (counter->err == 0 && perf_stat_process_counter(&stat_config, counter)) 3583b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 3594b49ab70SAndi Kleen counter->err = 0; 360106a94a0SJiri Olsa } 361106a94a0SJiri Olsa } 362106a94a0SJiri Olsa 36372f02a94SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 36472f02a94SJin Yao { 36572f02a94SJin Yao int i; 36672f02a94SJin Yao 36772f02a94SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 36872f02a94SJin Yao if (!config->stats) 36972f02a94SJin Yao return -1; 37072f02a94SJin Yao 37172f02a94SJin Yao config->stats_num = nthreads; 37272f02a94SJin Yao 37372f02a94SJin Yao for (i = 0; i < nthreads; i++) 37472f02a94SJin Yao runtime_stat__init(&config->stats[i]); 37572f02a94SJin Yao 37672f02a94SJin Yao return 0; 37772f02a94SJin Yao } 37872f02a94SJin Yao 37972f02a94SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 38072f02a94SJin Yao { 38172f02a94SJin Yao int i; 38272f02a94SJin Yao 38372f02a94SJin Yao if (!config->stats) 38472f02a94SJin Yao return; 38572f02a94SJin Yao 38672f02a94SJin Yao for (i = 0; i < config->stats_num; i++) 38772f02a94SJin Yao runtime_stat__exit(&config->stats[i]); 38872f02a94SJin Yao 38972f02a94SJin Yao zfree(&config->stats); 39072f02a94SJin Yao } 39172f02a94SJin Yao 39272f02a94SJin Yao static void runtime_stat_reset(struct perf_stat_config *config) 39372f02a94SJin Yao { 39472f02a94SJin Yao int i; 39572f02a94SJin Yao 39672f02a94SJin Yao if (!config->stats) 39772f02a94SJin Yao return; 39872f02a94SJin Yao 39972f02a94SJin Yao for (i = 0; i < config->stats_num; i++) 40072f02a94SJin Yao perf_stat__reset_shadow_per_stat(&config->stats[i]); 40172f02a94SJin Yao } 40272f02a94SJin Yao 403ba411a95SJiri Olsa static void process_interval(void) 40413370a9bSStephane Eranian { 40513370a9bSStephane Eranian struct timespec ts, rs; 40613370a9bSStephane Eranian 40713370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 40813370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 40913370a9bSStephane Eranian 410197ba86fSJin Yao perf_stat__reset_shadow_per_stat(&rt_stat); 41172f02a94SJin Yao runtime_stat_reset(&stat_config); 412f0fbb114SAndi Kleen read_counters(&rs); 413f0fbb114SAndi Kleen 4147aad0c32SJiri Olsa if (STAT_RECORD) { 415bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 4167aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 4177aad0c32SJiri Olsa } 4187aad0c32SJiri Olsa 419b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 420ea9eb1f4SJiri Olsa update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000ULL); 421d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 42213370a9bSStephane Eranian } 42313370a9bSStephane Eranian 42467ccdecdSJiri Olsa static void enable_counters(void) 42541191688SAndi Kleen { 426728c0ee0SJiri Olsa if (stat_config.initial_delay) 427728c0ee0SJiri Olsa usleep(stat_config.initial_delay * USEC_PER_MSEC); 42867ccdecdSJiri Olsa 42967ccdecdSJiri Olsa /* 43067ccdecdSJiri Olsa * We need to enable counters only if: 43167ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 43267ccdecdSJiri Olsa * - we have initial delay configured 43367ccdecdSJiri Olsa */ 434728c0ee0SJiri Olsa if (!target__none(&target) || stat_config.initial_delay) 4351c87f165SJiri Olsa evlist__enable(evsel_list); 43641191688SAndi Kleen } 43741191688SAndi Kleen 4383df33effSMark Rutland static void disable_counters(void) 4393df33effSMark Rutland { 4403df33effSMark Rutland /* 4413df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 4423df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 4433df33effSMark Rutland * from counting before reading their constituent counters. 4443df33effSMark Rutland */ 4453df33effSMark Rutland if (!target__none(&target)) 446e74676deSJiri Olsa evlist__disable(evsel_list); 4473df33effSMark Rutland } 4483df33effSMark Rutland 449f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 4506af206fdSArnaldo Carvalho de Melo 4516af206fdSArnaldo Carvalho de Melo /* 4526af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 4536af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 4546af206fdSArnaldo Carvalho de Melo * want_signal to true. 4556af206fdSArnaldo Carvalho de Melo */ 456f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 457f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 4586af206fdSArnaldo Carvalho de Melo { 459f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 4606af206fdSArnaldo Carvalho de Melo } 4616af206fdSArnaldo Carvalho de Melo 462ddc6999eSArnaldo Carvalho de Melo static bool evsel__should_store_id(struct evsel *counter) 46382bf311eSJiri Olsa { 4641fc632ceSJiri Olsa return STAT_RECORD || counter->core.attr.read_format & PERF_FORMAT_ID; 46582bf311eSJiri Olsa } 46682bf311eSJiri Olsa 467cbb5df7eSJiri Olsa static bool is_target_alive(struct target *_target, 4689749b90eSJiri Olsa struct perf_thread_map *threads) 469cbb5df7eSJiri Olsa { 470cbb5df7eSJiri Olsa struct stat st; 471cbb5df7eSJiri Olsa int i; 472cbb5df7eSJiri Olsa 473cbb5df7eSJiri Olsa if (!target__has_task(_target)) 474cbb5df7eSJiri Olsa return true; 475cbb5df7eSJiri Olsa 476cbb5df7eSJiri Olsa for (i = 0; i < threads->nr; i++) { 477cbb5df7eSJiri Olsa char path[PATH_MAX]; 478cbb5df7eSJiri Olsa 479cbb5df7eSJiri Olsa scnprintf(path, PATH_MAX, "%s/%d", procfs__mountpoint(), 480cbb5df7eSJiri Olsa threads->map[i].pid); 481cbb5df7eSJiri Olsa 482cbb5df7eSJiri Olsa if (!stat(path, &st)) 483cbb5df7eSJiri Olsa return true; 484cbb5df7eSJiri Olsa } 485cbb5df7eSJiri Olsa 486cbb5df7eSJiri Olsa return false; 487cbb5df7eSJiri Olsa } 488cbb5df7eSJiri Olsa 489e0e6a6caSAndi Kleen enum counter_recovery { 490e0e6a6caSAndi Kleen COUNTER_SKIP, 491e0e6a6caSAndi Kleen COUNTER_RETRY, 492e0e6a6caSAndi Kleen COUNTER_FATAL, 493e0e6a6caSAndi Kleen }; 494e0e6a6caSAndi Kleen 495e0e6a6caSAndi Kleen static enum counter_recovery stat_handle_error(struct evsel *counter) 496e0e6a6caSAndi Kleen { 497e0e6a6caSAndi Kleen char msg[BUFSIZ]; 498e0e6a6caSAndi Kleen /* 499e0e6a6caSAndi Kleen * PPC returns ENXIO for HW counters until 2.6.37 500e0e6a6caSAndi Kleen * (behavior changed with commit b0a873e). 501e0e6a6caSAndi Kleen */ 502e0e6a6caSAndi Kleen if (errno == EINVAL || errno == ENOSYS || 503e0e6a6caSAndi Kleen errno == ENOENT || errno == EOPNOTSUPP || 504e0e6a6caSAndi Kleen errno == ENXIO) { 505e0e6a6caSAndi Kleen if (verbose > 0) 506e0e6a6caSAndi Kleen ui__warning("%s event is not supported by the kernel.\n", 5078ab2e96dSArnaldo Carvalho de Melo evsel__name(counter)); 508e0e6a6caSAndi Kleen counter->supported = false; 5094804e011SAndi Kleen /* 5104804e011SAndi Kleen * errored is a sticky flag that means one of the counter's 5114804e011SAndi Kleen * cpu event had a problem and needs to be reexamined. 5124804e011SAndi Kleen */ 5134804e011SAndi Kleen counter->errored = true; 514e0e6a6caSAndi Kleen 515e0e6a6caSAndi Kleen if ((counter->leader != counter) || 516e0e6a6caSAndi Kleen !(counter->leader->core.nr_members > 1)) 517e0e6a6caSAndi Kleen return COUNTER_SKIP; 518ae430892SArnaldo Carvalho de Melo } else if (evsel__fallback(counter, errno, msg, sizeof(msg))) { 519e0e6a6caSAndi Kleen if (verbose > 0) 520e0e6a6caSAndi Kleen ui__warning("%s\n", msg); 521e0e6a6caSAndi Kleen return COUNTER_RETRY; 522e0e6a6caSAndi Kleen } else if (target__has_per_thread(&target) && 523e0e6a6caSAndi Kleen evsel_list->core.threads && 524e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread != -1) { 525e0e6a6caSAndi Kleen /* 526e0e6a6caSAndi Kleen * For global --per-thread case, skip current 527e0e6a6caSAndi Kleen * error thread. 528e0e6a6caSAndi Kleen */ 529e0e6a6caSAndi Kleen if (!thread_map__remove(evsel_list->core.threads, 530e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread)) { 531e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread = -1; 532e0e6a6caSAndi Kleen return COUNTER_RETRY; 533e0e6a6caSAndi Kleen } 534e0e6a6caSAndi Kleen } 535e0e6a6caSAndi Kleen 5362bb72dbbSArnaldo Carvalho de Melo evsel__open_strerror(counter, &target, errno, msg, sizeof(msg)); 537e0e6a6caSAndi Kleen ui__error("%s\n", msg); 538e0e6a6caSAndi Kleen 539e0e6a6caSAndi Kleen if (child_pid != -1) 540e0e6a6caSAndi Kleen kill(child_pid, SIGTERM); 541e0e6a6caSAndi Kleen return COUNTER_FATAL; 542e0e6a6caSAndi Kleen } 543e0e6a6caSAndi Kleen 544e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 54586470930SIngo Molnar { 546ec0d3d1fSJiri Olsa int interval = stat_config.interval; 547db06a269Syuzhoujian int times = stat_config.times; 548f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 549d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 55086470930SIngo Molnar unsigned long long t0, t1; 55132dcd021SJiri Olsa struct evsel *counter; 55213370a9bSStephane Eranian struct timespec ts; 553410136f5SStephane Eranian size_t l; 55442202dd5SIngo Molnar int status = 0; 5556be2850eSZhang, Yanmin const bool forks = (argc > 0); 5568ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 5574804e011SAndi Kleen struct affinity affinity; 5584804e011SAndi Kleen int i, cpu; 5594804e011SAndi Kleen bool second_pass = false; 56086470930SIngo Molnar 56113370a9bSStephane Eranian if (interval) { 562310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 563310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 564f1f8ad52Syuzhoujian } else if (timeout) { 565f1f8ad52Syuzhoujian ts.tv_sec = timeout / USEC_PER_MSEC; 566f1f8ad52Syuzhoujian ts.tv_nsec = (timeout % USEC_PER_MSEC) * NSEC_PER_MSEC; 56713370a9bSStephane Eranian } else { 56813370a9bSStephane Eranian ts.tv_sec = 1; 56913370a9bSStephane Eranian ts.tv_nsec = 0; 57013370a9bSStephane Eranian } 57113370a9bSStephane Eranian 572acf28922SNamhyung Kim if (forks) { 573664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 574735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 575acf28922SNamhyung Kim perror("failed to prepare workload"); 576fceda7feSDavid Ahern return -1; 577051ae7f7SPaul Mackerras } 578d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 57960666c63SLiming Wang } 580051ae7f7SPaul Mackerras 5816a4bb04cSJiri Olsa if (group) 58263dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 5836a4bb04cSJiri Olsa 5844804e011SAndi Kleen if (affinity__setup(&affinity) < 0) 5854804e011SAndi Kleen return -1; 5865a5dfe4bSAndi Kleen 5874804e011SAndi Kleen evlist__for_each_cpu (evsel_list, i, cpu) { 5884804e011SAndi Kleen affinity__set(&affinity, cpu); 5894804e011SAndi Kleen 5904804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 5914804e011SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 5924804e011SAndi Kleen continue; 5934804e011SAndi Kleen if (counter->reset_group || counter->errored) 5944804e011SAndi Kleen continue; 5954804e011SAndi Kleen try_again: 5964804e011SAndi Kleen if (create_perf_stat_counter(counter, &stat_config, &target, 5974804e011SAndi Kleen counter->cpu_iter - 1) < 0) { 5984804e011SAndi Kleen 5994804e011SAndi Kleen /* 6004804e011SAndi Kleen * Weak group failed. We cannot just undo this here 6014804e011SAndi Kleen * because earlier CPUs might be in group mode, and the kernel 6024804e011SAndi Kleen * doesn't support mixing group and non group reads. Defer 6034804e011SAndi Kleen * it to later. 6044804e011SAndi Kleen * Don't close here because we're in the wrong affinity. 6054804e011SAndi Kleen */ 60635c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 6075a5dfe4bSAndi Kleen counter->leader != counter && 6085a5dfe4bSAndi Kleen counter->weak_group) { 6094804e011SAndi Kleen perf_evlist__reset_weak_group(evsel_list, counter, false); 6104804e011SAndi Kleen assert(counter->reset_group); 6114804e011SAndi Kleen second_pass = true; 6124804e011SAndi Kleen continue; 6135a5dfe4bSAndi Kleen } 6145a5dfe4bSAndi Kleen 615e0e6a6caSAndi Kleen switch (stat_handle_error(counter)) { 616e0e6a6caSAndi Kleen case COUNTER_FATAL: 617084ab9f8SArnaldo Carvalho de Melo return -1; 618e0e6a6caSAndi Kleen case COUNTER_RETRY: 619e0e6a6caSAndi Kleen goto try_again; 620e0e6a6caSAndi Kleen case COUNTER_SKIP: 621e0e6a6caSAndi Kleen continue; 622e0e6a6caSAndi Kleen default: 623e0e6a6caSAndi Kleen break; 624e0e6a6caSAndi Kleen } 6254804e011SAndi Kleen 626084ab9f8SArnaldo Carvalho de Melo } 6272cee77c4SDavid Ahern counter->supported = true; 6284804e011SAndi Kleen } 6294804e011SAndi Kleen } 6304804e011SAndi Kleen 6314804e011SAndi Kleen if (second_pass) { 6324804e011SAndi Kleen /* 6334804e011SAndi Kleen * Now redo all the weak group after closing them, 6344804e011SAndi Kleen * and also close errored counters. 6354804e011SAndi Kleen */ 6364804e011SAndi Kleen 6374804e011SAndi Kleen evlist__for_each_cpu(evsel_list, i, cpu) { 6384804e011SAndi Kleen affinity__set(&affinity, cpu); 6394804e011SAndi Kleen /* First close errored or weak retry */ 6404804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 6414804e011SAndi Kleen if (!counter->reset_group && !counter->errored) 6424804e011SAndi Kleen continue; 6434804e011SAndi Kleen if (evsel__cpu_iter_skip_no_inc(counter, cpu)) 6444804e011SAndi Kleen continue; 6454804e011SAndi Kleen perf_evsel__close_cpu(&counter->core, counter->cpu_iter); 6464804e011SAndi Kleen } 6474804e011SAndi Kleen /* Now reopen weak */ 6484804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 6494804e011SAndi Kleen if (!counter->reset_group && !counter->errored) 6504804e011SAndi Kleen continue; 6514804e011SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 6524804e011SAndi Kleen continue; 6534804e011SAndi Kleen if (!counter->reset_group) 6544804e011SAndi Kleen continue; 6554804e011SAndi Kleen try_again_reset: 6568ab2e96dSArnaldo Carvalho de Melo pr_debug2("reopening weak %s\n", evsel__name(counter)); 6574804e011SAndi Kleen if (create_perf_stat_counter(counter, &stat_config, &target, 6584804e011SAndi Kleen counter->cpu_iter - 1) < 0) { 6594804e011SAndi Kleen 6604804e011SAndi Kleen switch (stat_handle_error(counter)) { 6614804e011SAndi Kleen case COUNTER_FATAL: 6624804e011SAndi Kleen return -1; 6634804e011SAndi Kleen case COUNTER_RETRY: 6644804e011SAndi Kleen goto try_again_reset; 6654804e011SAndi Kleen case COUNTER_SKIP: 6664804e011SAndi Kleen continue; 6674804e011SAndi Kleen default: 6684804e011SAndi Kleen break; 6694804e011SAndi Kleen } 6704804e011SAndi Kleen } 6714804e011SAndi Kleen counter->supported = true; 6724804e011SAndi Kleen } 6734804e011SAndi Kleen } 6744804e011SAndi Kleen } 6754804e011SAndi Kleen affinity__cleanup(&affinity); 6764804e011SAndi Kleen 6774804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 6784804e011SAndi Kleen if (!counter->supported) { 6794804e011SAndi Kleen perf_evsel__free_fd(&counter->core); 6804804e011SAndi Kleen continue; 6814804e011SAndi Kleen } 682410136f5SStephane Eranian 683410136f5SStephane Eranian l = strlen(counter->unit); 684df4f7b4dSJiri Olsa if (l > stat_config.unit_width) 685df4f7b4dSJiri Olsa stat_config.unit_width = l; 6862af4646dSJiri Olsa 687ddc6999eSArnaldo Carvalho de Melo if (evsel__should_store_id(counter) && 68834397753SArnaldo Carvalho de Melo evsel__store_ids(counter, evsel_list)) 6892af4646dSJiri Olsa return -1; 69048290609SArnaldo Carvalho de Melo } 69186470930SIngo Molnar 69223d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 69362d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 6948ab2e96dSArnaldo Carvalho de Melo counter->filter, evsel__name(counter), errno, 695c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 696cfd748aeSFrederic Weisbecker return -1; 697cfd748aeSFrederic Weisbecker } 698cfd748aeSFrederic Weisbecker 6994979d0c7SJiri Olsa if (STAT_RECORD) { 7008ceb41d7SJiri Olsa int err, fd = perf_data__fd(&perf_stat.data); 7014979d0c7SJiri Olsa 702664c98d4SJiri Olsa if (is_pipe) { 7038ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 704664c98d4SJiri Olsa } else { 7054979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 7064979d0c7SJiri Olsa fd, false); 707664c98d4SJiri Olsa } 708664c98d4SJiri Olsa 7094979d0c7SJiri Olsa if (err < 0) 7104979d0c7SJiri Olsa return err; 7118b99b1a4SJiri Olsa 712b251892dSArnaldo Carvalho de Melo err = perf_event__synthesize_stat_events(&stat_config, NULL, evsel_list, 713c2c247f2SJiri Olsa process_synthesized_event, is_pipe); 7148b99b1a4SJiri Olsa if (err < 0) 7158b99b1a4SJiri Olsa return err; 7164979d0c7SJiri Olsa } 7174979d0c7SJiri Olsa 71886470930SIngo Molnar /* 71986470930SIngo Molnar * Enable counters and exec the command: 72086470930SIngo Molnar */ 72186470930SIngo Molnar t0 = rdclock(); 72213370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 72386470930SIngo Molnar 72460666c63SLiming Wang if (forks) { 725acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 72667ccdecdSJiri Olsa enable_counters(); 727acf28922SNamhyung Kim 728f1f8ad52Syuzhoujian if (interval || timeout) { 72913370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 73013370a9bSStephane Eranian nanosleep(&ts, NULL); 731f1f8ad52Syuzhoujian if (timeout) 732f1f8ad52Syuzhoujian break; 733ba411a95SJiri Olsa process_interval(); 734db06a269Syuzhoujian if (interval_count && !(--times)) 735db06a269Syuzhoujian break; 73613370a9bSStephane Eranian } 73713370a9bSStephane Eranian } 738cfbd41b7SArnaldo Carvalho de Melo if (child_pid != -1) { 739cfbd41b7SArnaldo Carvalho de Melo if (timeout) 740cfbd41b7SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 7418897a891SJiri Olsa wait4(child_pid, &status, 0, &stat_config.ru_data); 742cfbd41b7SArnaldo Carvalho de Melo } 7436af206fdSArnaldo Carvalho de Melo 744f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 745c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 746f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 7476af206fdSArnaldo Carvalho de Melo return -1; 748f33cbe72SArnaldo Carvalho de Melo } 7496af206fdSArnaldo Carvalho de Melo 75033e49ea7SAndi Kleen if (WIFSIGNALED(status)) 75133e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 75260666c63SLiming Wang } else { 75367ccdecdSJiri Olsa enable_counters(); 75413370a9bSStephane Eranian while (!done) { 75513370a9bSStephane Eranian nanosleep(&ts, NULL); 75603617c22SJiri Olsa if (!is_target_alive(&target, evsel_list->core.threads)) 757cbb5df7eSJiri Olsa break; 758f1f8ad52Syuzhoujian if (timeout) 759f1f8ad52Syuzhoujian break; 760db06a269Syuzhoujian if (interval) { 761ba411a95SJiri Olsa process_interval(); 762db06a269Syuzhoujian if (interval_count && !(--times)) 763db06a269Syuzhoujian break; 764db06a269Syuzhoujian } 76513370a9bSStephane Eranian } 76660666c63SLiming Wang } 76786470930SIngo Molnar 7683df33effSMark Rutland disable_counters(); 7693df33effSMark Rutland 77086470930SIngo Molnar t1 = rdclock(); 77186470930SIngo Molnar 77254ac0b1bSJiri Olsa if (stat_config.walltime_run_table) 77354ac0b1bSJiri Olsa stat_config.walltime_run[run_idx] = t1 - t0; 774e55c14afSJiri Olsa 775c7e5b328SJin Yao if (interval) { 776c7e5b328SJin Yao stat_config.interval = 0; 777c7e5b328SJin Yao stat_config.summary = true; 778c7e5b328SJin Yao init_stats(&walltime_nsecs_stats); 779c7e5b328SJin Yao update_stats(&walltime_nsecs_stats, t1 - t0); 780c7e5b328SJin Yao 781c7e5b328SJin Yao if (stat_config.aggr_mode == AGGR_GLOBAL) 782c7e5b328SJin Yao perf_evlist__save_aggr_prev_raw_counts(evsel_list); 783c7e5b328SJin Yao 784c7e5b328SJin Yao perf_evlist__copy_prev_raw_counts(evsel_list); 785c7e5b328SJin Yao perf_evlist__reset_prev_raw_counts(evsel_list); 786c7e5b328SJin Yao runtime_stat_reset(&stat_config); 787c7e5b328SJin Yao perf_stat__reset_shadow_per_stat(&rt_stat); 788c7e5b328SJin Yao } else 7899e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 79042202dd5SIngo Molnar 7913df33effSMark Rutland /* 7923df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 7933df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 7943df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 7953df33effSMark Rutland * group leaders. 7963df33effSMark Rutland */ 797f0fbb114SAndi Kleen read_counters(&(struct timespec) { .tv_nsec = t1-t0 }); 79808ef3af1SJiri Olsa 79908ef3af1SJiri Olsa /* 80008ef3af1SJiri Olsa * We need to keep evsel_list alive, because it's processed 80108ef3af1SJiri Olsa * later the evsel_list will be closed after. 80208ef3af1SJiri Olsa */ 80308ef3af1SJiri Olsa if (!STAT_RECORD) 804750b4edeSJiri Olsa evlist__close(evsel_list); 805c52b12edSArnaldo Carvalho de Melo 80642202dd5SIngo Molnar return WEXITSTATUS(status); 80742202dd5SIngo Molnar } 80842202dd5SIngo Molnar 809e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 8101f16c575SPeter Zijlstra { 8111f16c575SPeter Zijlstra int ret; 8121f16c575SPeter Zijlstra 8131f16c575SPeter Zijlstra if (pre_cmd) { 8141f16c575SPeter Zijlstra ret = system(pre_cmd); 8151f16c575SPeter Zijlstra if (ret) 8161f16c575SPeter Zijlstra return ret; 8171f16c575SPeter Zijlstra } 8181f16c575SPeter Zijlstra 8191f16c575SPeter Zijlstra if (sync_run) 8201f16c575SPeter Zijlstra sync(); 8211f16c575SPeter Zijlstra 822e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 8231f16c575SPeter Zijlstra if (ret) 8241f16c575SPeter Zijlstra return ret; 8251f16c575SPeter Zijlstra 8261f16c575SPeter Zijlstra if (post_cmd) { 8271f16c575SPeter Zijlstra ret = system(post_cmd); 8281f16c575SPeter Zijlstra if (ret) 8291f16c575SPeter Zijlstra return ret; 8301f16c575SPeter Zijlstra } 8311f16c575SPeter Zijlstra 8321f16c575SPeter Zijlstra return ret; 8331f16c575SPeter Zijlstra } 8341f16c575SPeter Zijlstra 835a5a9eac1SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 836a5a9eac1SJiri Olsa { 8370174820aSJiri Olsa /* Do not print anything if we record to the pipe. */ 8380174820aSJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 8390174820aSJiri Olsa return; 8400174820aSJiri Olsa 841c512e0eaSJiri Olsa perf_evlist__print_counters(evsel_list, &stat_config, &target, 842b64df7f3SJiri Olsa ts, argc, argv); 843a5a9eac1SJiri Olsa } 844a5a9eac1SJiri Olsa 845f7b7c26eSPeter Zijlstra static volatile int signr = -1; 846f7b7c26eSPeter Zijlstra 84786470930SIngo Molnar static void skip_signal(int signo) 84886470930SIngo Molnar { 849ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 85060666c63SLiming Wang done = 1; 85160666c63SLiming Wang 852f7b7c26eSPeter Zijlstra signr = signo; 853d07f0b12SStephane Eranian /* 854d07f0b12SStephane Eranian * render child_pid harmless 855d07f0b12SStephane Eranian * won't send SIGTERM to a random 856d07f0b12SStephane Eranian * process in case of race condition 857d07f0b12SStephane Eranian * and fast PID recycling 858d07f0b12SStephane Eranian */ 859d07f0b12SStephane Eranian child_pid = -1; 860f7b7c26eSPeter Zijlstra } 861f7b7c26eSPeter Zijlstra 862f7b7c26eSPeter Zijlstra static void sig_atexit(void) 863f7b7c26eSPeter Zijlstra { 864d07f0b12SStephane Eranian sigset_t set, oset; 865d07f0b12SStephane Eranian 866d07f0b12SStephane Eranian /* 867d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 868d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 869d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 870d07f0b12SStephane Eranian * process 871d07f0b12SStephane Eranian */ 872d07f0b12SStephane Eranian sigemptyset(&set); 873d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 874d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 875d07f0b12SStephane Eranian 876933da83aSChris Wilson if (child_pid != -1) 877933da83aSChris Wilson kill(child_pid, SIGTERM); 878933da83aSChris Wilson 879d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 880d07f0b12SStephane Eranian 881f7b7c26eSPeter Zijlstra if (signr == -1) 882f7b7c26eSPeter Zijlstra return; 883f7b7c26eSPeter Zijlstra 884f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 885f7b7c26eSPeter Zijlstra kill(getpid(), signr); 88686470930SIngo Molnar } 88786470930SIngo Molnar 888d778a778SPaul A. Clarke void perf_stat__set_big_num(int set) 889d778a778SPaul A. Clarke { 890d778a778SPaul A. Clarke stat_config.big_num = (set != 0); 891d778a778SPaul A. Clarke } 892d778a778SPaul A. Clarke 8931d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 8941d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 895d7470b6aSStephane Eranian { 896d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 897d778a778SPaul A. Clarke perf_stat__set_big_num(!unset); 898d7470b6aSStephane Eranian return 0; 899d7470b6aSStephane Eranian } 900d7470b6aSStephane Eranian 90144b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 90244b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 90344b1e60aSAndi Kleen { 90444b1e60aSAndi Kleen force_metric_only = true; 9050ce5aa02SJiri Olsa stat_config.metric_only = !unset; 90644b1e60aSAndi Kleen return 0; 90744b1e60aSAndi Kleen } 90844b1e60aSAndi Kleen 909b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 910b18f3e36SAndi Kleen const char *str, 911b18f3e36SAndi Kleen int unset __maybe_unused) 912b18f3e36SAndi Kleen { 913d0192fdbSJiri Olsa return metricgroup__parse_groups(opt, str, &stat_config.metric_events); 914b18f3e36SAndi Kleen } 915b18f3e36SAndi Kleen 91651433eadSMichael Petlan static struct option stat_options[] = { 917e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 918e0547311SJiri Olsa "hardware transaction statistics"), 919e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 920e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 921e0547311SJiri Olsa parse_events_option), 922e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 923e0547311SJiri Olsa "event filter", parse_filter), 9245698f26bSJiri Olsa OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit, 925e0547311SJiri Olsa "child tasks do not inherit counters"), 926e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 927e0547311SJiri Olsa "stat events on existing process id"), 928e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 929e0547311SJiri Olsa "stat events on existing thread id"), 930e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 931e0547311SJiri Olsa "system-wide collection from all CPUs"), 932e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 933e0547311SJiri Olsa "put the counters into a counter group"), 93475998bb2SAndi Kleen OPT_BOOLEAN(0, "scale", &stat_config.scale, 93575998bb2SAndi Kleen "Use --no-scale to disable counter scaling for multiplexing"), 936e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 937e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 938d97ae04bSJiri Olsa OPT_INTEGER('r', "repeat", &stat_config.run_count, 939e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 94054ac0b1bSJiri Olsa OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table, 941e55c14afSJiri Olsa "display details about each run (only with -r option)"), 942aea0dca1SJiri Olsa OPT_BOOLEAN('n', "null", &stat_config.null_run, 943e0547311SJiri Olsa "null run - dont start any counters"), 944e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 945e0547311SJiri Olsa "detailed run - start a lot of events"), 946e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 947e0547311SJiri Olsa "call sync() before starting a run"), 948e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 949e0547311SJiri Olsa "print large numbers with thousands\' separators", 950e0547311SJiri Olsa stat__set_big_num), 951e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 952e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 953e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 954e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 955fdee335bSJiri Olsa OPT_BOOLEAN(0, "no-merge", &stat_config.no_merge, "Do not merge identical named events"), 956fa7070a3SJiri Olsa OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator", 957e0547311SJiri Olsa "print counts with custom separator"), 958e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 959e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 960e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 961e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 962e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 963e0547311SJiri Olsa "log output to fd, instead of stderr"), 964e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 965e0547311SJiri Olsa "command to run prior to the measured command"), 966e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 967e0547311SJiri Olsa "command to run after to the measured command"), 968e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 9699dc9a95fSAlexey Budankov "print counts at regular interval in ms " 9709dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 971db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 972db06a269Syuzhoujian "print counts for fixed number of times"), 973132c6ba3SJiri Olsa OPT_BOOLEAN(0, "interval-clear", &stat_config.interval_clear, 9749660e08eSJiri Olsa "clear screen in between new interval"), 975f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 976f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 977e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 978e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 979db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &stat_config.aggr_mode, 980db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 981e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 982e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 983e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 984e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 98586895b48SJiri Olsa OPT_SET_UINT(0, "per-node", &stat_config.aggr_mode, 98686895b48SJiri Olsa "aggregate counts per numa node", AGGR_NODE), 987728c0ee0SJiri Olsa OPT_UINTEGER('D', "delay", &stat_config.initial_delay, 988e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 9890ce5aa02SJiri Olsa OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL, 99044b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 99144b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 99244b1e60aSAndi Kleen "measure topdown level 1 statistics"), 993daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 994daefd0bcSKan Liang "measure SMI cost"), 995b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 996b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 997b18f3e36SAndi Kleen parse_metric_groups), 998dd071024SJin Yao OPT_BOOLEAN_FLAG(0, "all-kernel", &stat_config.all_kernel, 999dd071024SJin Yao "Configure all used events to run in kernel space.", 1000dd071024SJin Yao PARSE_OPT_EXCLUSIVE), 1001dd071024SJin Yao OPT_BOOLEAN_FLAG(0, "all-user", &stat_config.all_user, 1002dd071024SJin Yao "Configure all used events to run in user space.", 1003dd071024SJin Yao PARSE_OPT_EXCLUSIVE), 10041af62ce6SJin Yao OPT_BOOLEAN(0, "percore-show-thread", &stat_config.percore_show_thread, 10051af62ce6SJin Yao "Use with 'percore' event qualifier to show the event " 10061af62ce6SJin Yao "counts of one hardware thread by sum up total hardware " 10071af62ce6SJin Yao "threads of same physical core"), 1008e0547311SJiri Olsa OPT_END() 1009e0547311SJiri Olsa }; 1010e0547311SJiri Olsa 10116f6b6594SJiri Olsa static int perf_stat__get_socket(struct perf_stat_config *config __maybe_unused, 1012f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 10131fe7a300SJiri Olsa { 10141fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 10151fe7a300SJiri Olsa } 10161fe7a300SJiri Olsa 1017db5742b6SKan Liang static int perf_stat__get_die(struct perf_stat_config *config __maybe_unused, 1018f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 1019db5742b6SKan Liang { 1020db5742b6SKan Liang return cpu_map__get_die(map, cpu, NULL); 1021db5742b6SKan Liang } 1022db5742b6SKan Liang 10236f6b6594SJiri Olsa static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused, 1024f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 10251fe7a300SJiri Olsa { 10261fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 10271fe7a300SJiri Olsa } 10281fe7a300SJiri Olsa 102986895b48SJiri Olsa static int perf_stat__get_node(struct perf_stat_config *config __maybe_unused, 103086895b48SJiri Olsa struct perf_cpu_map *map, int cpu) 103186895b48SJiri Olsa { 103286895b48SJiri Olsa return cpu_map__get_node(map, cpu, NULL); 103386895b48SJiri Olsa } 103486895b48SJiri Olsa 10356f6b6594SJiri Olsa static int perf_stat__get_aggr(struct perf_stat_config *config, 1036f854839bSJiri Olsa aggr_get_id_t get_id, struct perf_cpu_map *map, int idx) 10371e5a2931SJiri Olsa { 10381e5a2931SJiri Olsa int cpu; 10391e5a2931SJiri Olsa 10401e5a2931SJiri Olsa if (idx >= map->nr) 10411e5a2931SJiri Olsa return -1; 10421e5a2931SJiri Olsa 10431e5a2931SJiri Olsa cpu = map->map[idx]; 10441e5a2931SJiri Olsa 10456f6b6594SJiri Olsa if (config->cpus_aggr_map->map[cpu] == -1) 10466f6b6594SJiri Olsa config->cpus_aggr_map->map[cpu] = get_id(config, map, idx); 10471e5a2931SJiri Olsa 10486f6b6594SJiri Olsa return config->cpus_aggr_map->map[cpu]; 10491e5a2931SJiri Olsa } 10501e5a2931SJiri Olsa 10516f6b6594SJiri Olsa static int perf_stat__get_socket_cached(struct perf_stat_config *config, 1052f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 10531e5a2931SJiri Olsa { 10546f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx); 10551e5a2931SJiri Olsa } 10561e5a2931SJiri Olsa 1057db5742b6SKan Liang static int perf_stat__get_die_cached(struct perf_stat_config *config, 1058f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 1059db5742b6SKan Liang { 1060db5742b6SKan Liang return perf_stat__get_aggr(config, perf_stat__get_die, map, idx); 1061db5742b6SKan Liang } 1062db5742b6SKan Liang 10636f6b6594SJiri Olsa static int perf_stat__get_core_cached(struct perf_stat_config *config, 1064f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 10651e5a2931SJiri Olsa { 10666f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_core, map, idx); 10671e5a2931SJiri Olsa } 10681e5a2931SJiri Olsa 106986895b48SJiri Olsa static int perf_stat__get_node_cached(struct perf_stat_config *config, 107086895b48SJiri Olsa struct perf_cpu_map *map, int idx) 107186895b48SJiri Olsa { 107286895b48SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_node, map, idx); 107386895b48SJiri Olsa } 107486895b48SJiri Olsa 10754fc4d8dfSJin Yao static bool term_percore_set(void) 10764fc4d8dfSJin Yao { 107732dcd021SJiri Olsa struct evsel *counter; 10784fc4d8dfSJin Yao 10794fc4d8dfSJin Yao evlist__for_each_entry(evsel_list, counter) { 10804fc4d8dfSJin Yao if (counter->percore) 10814fc4d8dfSJin Yao return true; 10824fc4d8dfSJin Yao } 10834fc4d8dfSJin Yao 10844fc4d8dfSJin Yao return false; 10854fc4d8dfSJin Yao } 10864fc4d8dfSJin Yao 108786ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 108886ee6e18SStephane Eranian { 10891e5a2931SJiri Olsa int nr; 10901e5a2931SJiri Olsa 1091421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 109286ee6e18SStephane Eranian case AGGR_SOCKET: 1093f72f901dSJiri Olsa if (cpu_map__build_socket_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 109486ee6e18SStephane Eranian perror("cannot build socket map"); 109586ee6e18SStephane Eranian return -1; 109686ee6e18SStephane Eranian } 10976f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_cached; 109886ee6e18SStephane Eranian break; 1099db5742b6SKan Liang case AGGR_DIE: 1100f72f901dSJiri Olsa if (cpu_map__build_die_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 1101db5742b6SKan Liang perror("cannot build die map"); 1102db5742b6SKan Liang return -1; 1103db5742b6SKan Liang } 1104db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_cached; 1105db5742b6SKan Liang break; 110612c08a9fSStephane Eranian case AGGR_CORE: 1107f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 110812c08a9fSStephane Eranian perror("cannot build core map"); 110912c08a9fSStephane Eranian return -1; 111012c08a9fSStephane Eranian } 11116f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_cached; 111212c08a9fSStephane Eranian break; 111386895b48SJiri Olsa case AGGR_NODE: 111486895b48SJiri Olsa if (cpu_map__build_node_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 111586895b48SJiri Olsa perror("cannot build core map"); 111686895b48SJiri Olsa return -1; 111786895b48SJiri Olsa } 111886895b48SJiri Olsa stat_config.aggr_get_id = perf_stat__get_node_cached; 111986895b48SJiri Olsa break; 112086ee6e18SStephane Eranian case AGGR_NONE: 11214fc4d8dfSJin Yao if (term_percore_set()) { 1122f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, 11234fc4d8dfSJin Yao &stat_config.aggr_map)) { 11244fc4d8dfSJin Yao perror("cannot build core map"); 11254fc4d8dfSJin Yao return -1; 11264fc4d8dfSJin Yao } 11274fc4d8dfSJin Yao stat_config.aggr_get_id = perf_stat__get_core_cached; 11284fc4d8dfSJin Yao } 11294fc4d8dfSJin Yao break; 113086ee6e18SStephane Eranian case AGGR_GLOBAL: 113132b8af82SJiri Olsa case AGGR_THREAD: 1132208df99eSJiri Olsa case AGGR_UNSET: 113386ee6e18SStephane Eranian default: 113486ee6e18SStephane Eranian break; 113586ee6e18SStephane Eranian } 11361e5a2931SJiri Olsa 11371e5a2931SJiri Olsa /* 11381e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 11391e5a2931SJiri Olsa * taking the highest cpu number to be the size of 11401e5a2931SJiri Olsa * the aggregation translate cpumap. 11411e5a2931SJiri Olsa */ 11424256d434SJiri Olsa nr = perf_cpu_map__max(evsel_list->core.cpus); 1143315c0a1fSJiri Olsa stat_config.cpus_aggr_map = perf_cpu_map__empty_new(nr + 1); 11446f6b6594SJiri Olsa return stat_config.cpus_aggr_map ? 0 : -ENOMEM; 114586ee6e18SStephane Eranian } 114686ee6e18SStephane Eranian 1147544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1148544c2ae7SMasami Hiramatsu { 114938f01d8dSJiri Olsa perf_cpu_map__put(stat_config.aggr_map); 115038f01d8dSJiri Olsa perf_cpu_map__put(stat_config.cpus_aggr_map); 11516f6b6594SJiri Olsa stat_config.aggr_map = NULL; 11526f6b6594SJiri Olsa stat_config.cpus_aggr_map = NULL; 1153544c2ae7SMasami Hiramatsu } 1154544c2ae7SMasami Hiramatsu 1155f854839bSJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *map, int idx) 115668d702f7SJiri Olsa { 115768d702f7SJiri Olsa int cpu; 115868d702f7SJiri Olsa 115968d702f7SJiri Olsa if (idx > map->nr) 116068d702f7SJiri Olsa return -1; 116168d702f7SJiri Olsa 116268d702f7SJiri Olsa cpu = map->map[idx]; 116368d702f7SJiri Olsa 1164da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 116568d702f7SJiri Olsa return -1; 116668d702f7SJiri Olsa 116768d702f7SJiri Olsa return cpu; 116868d702f7SJiri Olsa } 116968d702f7SJiri Olsa 1170f854839bSJiri Olsa static int perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data) 117168d702f7SJiri Olsa { 117268d702f7SJiri Olsa struct perf_env *env = data; 117368d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 117468d702f7SJiri Olsa 117568d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 117668d702f7SJiri Olsa } 117768d702f7SJiri Olsa 1178f854839bSJiri Olsa static int perf_env__get_die(struct perf_cpu_map *map, int idx, void *data) 1179db5742b6SKan Liang { 1180db5742b6SKan Liang struct perf_env *env = data; 1181db5742b6SKan Liang int die_id = -1, cpu = perf_env__get_cpu(env, map, idx); 1182db5742b6SKan Liang 1183db5742b6SKan Liang if (cpu != -1) { 1184db5742b6SKan Liang /* 1185db5742b6SKan Liang * Encode socket in bit range 15:8 1186db5742b6SKan Liang * die_id is relative to socket, 1187db5742b6SKan Liang * we need a global id. So we combine 1188db5742b6SKan Liang * socket + die id 1189db5742b6SKan Liang */ 1190db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 1191db5742b6SKan Liang return -1; 1192db5742b6SKan Liang 1193db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 1194db5742b6SKan Liang return -1; 1195db5742b6SKan Liang 1196db5742b6SKan Liang die_id = (env->cpu[cpu].socket_id << 8) | (env->cpu[cpu].die_id & 0xff); 1197db5742b6SKan Liang } 1198db5742b6SKan Liang 1199db5742b6SKan Liang return die_id; 1200db5742b6SKan Liang } 1201db5742b6SKan Liang 1202f854839bSJiri Olsa static int perf_env__get_core(struct perf_cpu_map *map, int idx, void *data) 120368d702f7SJiri Olsa { 120468d702f7SJiri Olsa struct perf_env *env = data; 120568d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 120668d702f7SJiri Olsa 120768d702f7SJiri Olsa if (cpu != -1) { 120868d702f7SJiri Olsa /* 1209db5742b6SKan Liang * Encode socket in bit range 31:24 1210db5742b6SKan Liang * encode die id in bit range 23:16 1211db5742b6SKan Liang * core_id is relative to socket and die, 121268d702f7SJiri Olsa * we need a global id. So we combine 1213db5742b6SKan Liang * socket + die id + core id 121468d702f7SJiri Olsa */ 1215db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n")) 1216db5742b6SKan Liang return -1; 1217db5742b6SKan Liang 1218db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n")) 1219db5742b6SKan Liang return -1; 1220db5742b6SKan Liang 1221db5742b6SKan Liang if (WARN_ONCE(env->cpu[cpu].core_id >> 16, "The core id number is too big.\n")) 1222db5742b6SKan Liang return -1; 1223db5742b6SKan Liang 1224db5742b6SKan Liang core = (env->cpu[cpu].socket_id << 24) | 1225db5742b6SKan Liang (env->cpu[cpu].die_id << 16) | 1226db5742b6SKan Liang (env->cpu[cpu].core_id & 0xffff); 122768d702f7SJiri Olsa } 122868d702f7SJiri Olsa 122968d702f7SJiri Olsa return core; 123068d702f7SJiri Olsa } 123168d702f7SJiri Olsa 123286895b48SJiri Olsa static int perf_env__get_node(struct perf_cpu_map *map, int idx, void *data) 123386895b48SJiri Olsa { 123486895b48SJiri Olsa int cpu = perf_env__get_cpu(data, map, idx); 123586895b48SJiri Olsa 123686895b48SJiri Olsa return perf_env__numa_node(data, cpu); 123786895b48SJiri Olsa } 123886895b48SJiri Olsa 1239f854839bSJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus, 1240f854839bSJiri Olsa struct perf_cpu_map **sockp) 124168d702f7SJiri Olsa { 124268d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 124368d702f7SJiri Olsa } 124468d702f7SJiri Olsa 1245f854839bSJiri Olsa static int perf_env__build_die_map(struct perf_env *env, struct perf_cpu_map *cpus, 1246f854839bSJiri Olsa struct perf_cpu_map **diep) 1247db5742b6SKan Liang { 1248db5742b6SKan Liang return cpu_map__build_map(cpus, diep, perf_env__get_die, env); 1249db5742b6SKan Liang } 1250db5742b6SKan Liang 1251f854839bSJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct perf_cpu_map *cpus, 1252f854839bSJiri Olsa struct perf_cpu_map **corep) 125368d702f7SJiri Olsa { 125468d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 125568d702f7SJiri Olsa } 125668d702f7SJiri Olsa 125786895b48SJiri Olsa static int perf_env__build_node_map(struct perf_env *env, struct perf_cpu_map *cpus, 125886895b48SJiri Olsa struct perf_cpu_map **nodep) 125986895b48SJiri Olsa { 126086895b48SJiri Olsa return cpu_map__build_map(cpus, nodep, perf_env__get_node, env); 126186895b48SJiri Olsa } 126286895b48SJiri Olsa 12636f6b6594SJiri Olsa static int perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused, 1264f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 126568d702f7SJiri Olsa { 126668d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 126768d702f7SJiri Olsa } 1268db5742b6SKan Liang static int perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused, 1269f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 1270db5742b6SKan Liang { 1271db5742b6SKan Liang return perf_env__get_die(map, idx, &perf_stat.session->header.env); 1272db5742b6SKan Liang } 127368d702f7SJiri Olsa 12746f6b6594SJiri Olsa static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused, 1275f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 127668d702f7SJiri Olsa { 127768d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 127868d702f7SJiri Olsa } 127968d702f7SJiri Olsa 128086895b48SJiri Olsa static int perf_stat__get_node_file(struct perf_stat_config *config __maybe_unused, 128186895b48SJiri Olsa struct perf_cpu_map *map, int idx) 128286895b48SJiri Olsa { 128386895b48SJiri Olsa return perf_env__get_node(map, idx, &perf_stat.session->header.env); 128486895b48SJiri Olsa } 128586895b48SJiri Olsa 128668d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 128768d702f7SJiri Olsa { 128868d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 128968d702f7SJiri Olsa 129068d702f7SJiri Olsa switch (stat_config.aggr_mode) { 129168d702f7SJiri Olsa case AGGR_SOCKET: 1292f72f901dSJiri Olsa if (perf_env__build_socket_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 129368d702f7SJiri Olsa perror("cannot build socket map"); 129468d702f7SJiri Olsa return -1; 129568d702f7SJiri Olsa } 12966f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_file; 129768d702f7SJiri Olsa break; 1298db5742b6SKan Liang case AGGR_DIE: 1299f72f901dSJiri Olsa if (perf_env__build_die_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 1300db5742b6SKan Liang perror("cannot build die map"); 1301db5742b6SKan Liang return -1; 1302db5742b6SKan Liang } 1303db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_file; 1304db5742b6SKan Liang break; 130568d702f7SJiri Olsa case AGGR_CORE: 1306f72f901dSJiri Olsa if (perf_env__build_core_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 130768d702f7SJiri Olsa perror("cannot build core map"); 130868d702f7SJiri Olsa return -1; 130968d702f7SJiri Olsa } 13106f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_file; 131168d702f7SJiri Olsa break; 131286895b48SJiri Olsa case AGGR_NODE: 131386895b48SJiri Olsa if (perf_env__build_node_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 131486895b48SJiri Olsa perror("cannot build core map"); 131586895b48SJiri Olsa return -1; 131686895b48SJiri Olsa } 131786895b48SJiri Olsa stat_config.aggr_get_id = perf_stat__get_node_file; 131886895b48SJiri Olsa break; 131968d702f7SJiri Olsa case AGGR_NONE: 132068d702f7SJiri Olsa case AGGR_GLOBAL: 132168d702f7SJiri Olsa case AGGR_THREAD: 132268d702f7SJiri Olsa case AGGR_UNSET: 132368d702f7SJiri Olsa default: 132468d702f7SJiri Olsa break; 132568d702f7SJiri Olsa } 132668d702f7SJiri Olsa 132768d702f7SJiri Olsa return 0; 132868d702f7SJiri Olsa } 132968d702f7SJiri Olsa 133044b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 133144b1e60aSAndi Kleen { 133244b1e60aSAndi Kleen int off = 0; 133344b1e60aSAndi Kleen int i; 133444b1e60aSAndi Kleen int len = 0; 133544b1e60aSAndi Kleen char *s; 133644b1e60aSAndi Kleen 133744b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 133844b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 133944b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 134044b1e60aSAndi Kleen attr[i - off] = attr[i]; 134144b1e60aSAndi Kleen } else 134244b1e60aSAndi Kleen off++; 134344b1e60aSAndi Kleen } 134444b1e60aSAndi Kleen attr[i - off] = NULL; 134544b1e60aSAndi Kleen 134644b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 134744b1e60aSAndi Kleen if (!*str) 134844b1e60aSAndi Kleen return -1; 134944b1e60aSAndi Kleen s = *str; 135044b1e60aSAndi Kleen if (i - off == 0) { 135144b1e60aSAndi Kleen *s = 0; 135244b1e60aSAndi Kleen return 0; 135344b1e60aSAndi Kleen } 135444b1e60aSAndi Kleen if (use_group) 135544b1e60aSAndi Kleen *s++ = '{'; 135644b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 135744b1e60aSAndi Kleen strcpy(s, attr[i]); 135844b1e60aSAndi Kleen s += strlen(s); 135944b1e60aSAndi Kleen *s++ = ','; 136044b1e60aSAndi Kleen } 136144b1e60aSAndi Kleen if (use_group) { 136244b1e60aSAndi Kleen s[-1] = '}'; 136344b1e60aSAndi Kleen *s = 0; 136444b1e60aSAndi Kleen } else 136544b1e60aSAndi Kleen s[-1] = 0; 136644b1e60aSAndi Kleen return 0; 136744b1e60aSAndi Kleen } 136844b1e60aSAndi Kleen 136944b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 137044b1e60aSAndi Kleen { 137144b1e60aSAndi Kleen *warn = false; 137244b1e60aSAndi Kleen return false; 137344b1e60aSAndi Kleen } 137444b1e60aSAndi Kleen 137544b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 137644b1e60aSAndi Kleen { 137744b1e60aSAndi Kleen } 137844b1e60aSAndi Kleen 13792cba3ffbSIngo Molnar /* 13802cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 13812cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 13822cba3ffbSIngo Molnar */ 13832cba3ffbSIngo Molnar static int add_default_attributes(void) 13842cba3ffbSIngo Molnar { 138544b1e60aSAndi Kleen int err; 13869dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1387b070a547SArnaldo Carvalho de Melo 1388b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1389b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1390b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1391b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1392b070a547SArnaldo Carvalho de Melo 1393b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 13949dec4473SAndi Kleen }; 13959dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1396b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 13979dec4473SAndi Kleen }; 13989dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1399b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 14009dec4473SAndi Kleen }; 14019dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1402b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1403b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1404b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1405b070a547SArnaldo Carvalho de Melo 1406b070a547SArnaldo Carvalho de Melo }; 1407b070a547SArnaldo Carvalho de Melo 1408b070a547SArnaldo Carvalho de Melo /* 1409b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1410b070a547SArnaldo Carvalho de Melo */ 1411b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1412b070a547SArnaldo Carvalho de Melo 1413b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1414b070a547SArnaldo Carvalho de Melo .config = 1415b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1416b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1417b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1418b070a547SArnaldo Carvalho de Melo 1419b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1420b070a547SArnaldo Carvalho de Melo .config = 1421b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1422b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1423b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1424b070a547SArnaldo Carvalho de Melo 1425b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1426b070a547SArnaldo Carvalho de Melo .config = 1427b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1428b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1429b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1430b070a547SArnaldo Carvalho de Melo 1431b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1432b070a547SArnaldo Carvalho de Melo .config = 1433b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1434b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1435b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1436b070a547SArnaldo Carvalho de Melo }; 1437b070a547SArnaldo Carvalho de Melo 1438b070a547SArnaldo Carvalho de Melo /* 1439b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1440b070a547SArnaldo Carvalho de Melo */ 1441b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1442b070a547SArnaldo Carvalho de Melo 1443b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1444b070a547SArnaldo Carvalho de Melo .config = 1445b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1446b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1447b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1448b070a547SArnaldo Carvalho de Melo 1449b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1450b070a547SArnaldo Carvalho de Melo .config = 1451b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1452b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1453b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1454b070a547SArnaldo Carvalho de Melo 1455b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1456b070a547SArnaldo Carvalho de Melo .config = 1457b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1458b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1459b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1460b070a547SArnaldo Carvalho de Melo 1461b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1462b070a547SArnaldo Carvalho de Melo .config = 1463b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1464b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1465b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1466b070a547SArnaldo Carvalho de Melo 1467b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1468b070a547SArnaldo Carvalho de Melo .config = 1469b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1470b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1471b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1472b070a547SArnaldo Carvalho de Melo 1473b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1474b070a547SArnaldo Carvalho de Melo .config = 1475b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1476b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1477b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1478b070a547SArnaldo Carvalho de Melo 1479b070a547SArnaldo Carvalho de Melo }; 1480b070a547SArnaldo Carvalho de Melo 1481b070a547SArnaldo Carvalho de Melo /* 1482b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1483b070a547SArnaldo Carvalho de Melo */ 1484b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1485b070a547SArnaldo Carvalho de Melo 1486b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1487b070a547SArnaldo Carvalho de Melo .config = 1488b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1489b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1490b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1491b070a547SArnaldo Carvalho de Melo 1492b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1493b070a547SArnaldo Carvalho de Melo .config = 1494b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1495b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1496b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1497b070a547SArnaldo Carvalho de Melo }; 1498a5cfa621SJiri Olsa struct parse_events_error errinfo; 1499b070a547SArnaldo Carvalho de Melo 15002cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 1501aea0dca1SJiri Olsa if (stat_config.null_run) 15022cba3ffbSIngo Molnar return 0; 15032cba3ffbSIngo Molnar 1504a910e466SIan Rogers bzero(&errinfo, sizeof(errinfo)); 15054cabc3d1SAndi Kleen if (transaction_run) { 1506742d92ffSThomas Richter /* Handle -T as -M transaction. Once platform specific metrics 1507742d92ffSThomas Richter * support has been added to the json files, all archictures 1508742d92ffSThomas Richter * will use this approach. To determine transaction support 1509742d92ffSThomas Richter * on an architecture test for such a metric name. 1510742d92ffSThomas Richter */ 1511742d92ffSThomas Richter if (metricgroup__has_metric("transaction")) { 1512742d92ffSThomas Richter struct option opt = { .value = &evsel_list }; 1513742d92ffSThomas Richter 1514742d92ffSThomas Richter return metricgroup__parse_groups(&opt, "transaction", 1515d0192fdbSJiri Olsa &stat_config.metric_events); 1516742d92ffSThomas Richter } 1517742d92ffSThomas Richter 15184cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 15194cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1520fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 1521fca32340SThomas Richter &errinfo); 15224cabc3d1SAndi Kleen else 1523fca32340SThomas Richter err = parse_events(evsel_list, 1524fca32340SThomas Richter transaction_limited_attrs, 1525fca32340SThomas Richter &errinfo); 1526a454742cSJiri Olsa if (err) { 15274cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 1528a5cfa621SJiri Olsa parse_events_print_error(&errinfo, transaction_attrs); 15294cabc3d1SAndi Kleen return -1; 15304cabc3d1SAndi Kleen } 15314cabc3d1SAndi Kleen return 0; 15324cabc3d1SAndi Kleen } 15334cabc3d1SAndi Kleen 1534daefd0bcSKan Liang if (smi_cost) { 1535daefd0bcSKan Liang int smi; 1536daefd0bcSKan Liang 1537daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 1538daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 1539daefd0bcSKan Liang return -1; 1540daefd0bcSKan Liang } 1541daefd0bcSKan Liang 1542daefd0bcSKan Liang if (!smi) { 1543daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 1544daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 1545daefd0bcSKan Liang return -1; 1546daefd0bcSKan Liang } 1547daefd0bcSKan Liang smi_reset = true; 1548daefd0bcSKan Liang } 1549daefd0bcSKan Liang 1550daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 1551daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 1552daefd0bcSKan Liang if (!force_metric_only) 15530ce5aa02SJiri Olsa stat_config.metric_only = true; 1554a5cfa621SJiri Olsa err = parse_events(evsel_list, smi_cost_attrs, &errinfo); 1555daefd0bcSKan Liang } else { 1556daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 1557daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 1558a5cfa621SJiri Olsa parse_events_print_error(&errinfo, smi_cost_attrs); 1559daefd0bcSKan Liang return -1; 1560daefd0bcSKan Liang } 1561daefd0bcSKan Liang if (err) { 1562a910e466SIan Rogers parse_events_print_error(&errinfo, smi_cost_attrs); 1563daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 1564daefd0bcSKan Liang return -1; 1565daefd0bcSKan Liang } 1566daefd0bcSKan Liang return 0; 1567daefd0bcSKan Liang } 1568daefd0bcSKan Liang 156944b1e60aSAndi Kleen if (topdown_run) { 157044b1e60aSAndi Kleen char *str = NULL; 157144b1e60aSAndi Kleen bool warn = false; 157244b1e60aSAndi Kleen 157344b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 157444b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 157544b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 157644b1e60aSAndi Kleen return -1; 157744b1e60aSAndi Kleen } 157844b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 157944b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 158044b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 158144b1e60aSAndi Kleen return -1; 158244b1e60aSAndi Kleen } 158344b1e60aSAndi Kleen 158444b1e60aSAndi Kleen if (!force_metric_only) 15850ce5aa02SJiri Olsa stat_config.metric_only = true; 158644b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 158744b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 158844b1e60aSAndi Kleen pr_err("Out of memory\n"); 158944b1e60aSAndi Kleen return -1; 159044b1e60aSAndi Kleen } 159144b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 159244b1e60aSAndi Kleen if (warn) 159344b1e60aSAndi Kleen arch_topdown_group_warn(); 1594a5cfa621SJiri Olsa err = parse_events(evsel_list, str, &errinfo); 159544b1e60aSAndi Kleen if (err) { 159644b1e60aSAndi Kleen fprintf(stderr, 159744b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 159844b1e60aSAndi Kleen str, err); 1599a5cfa621SJiri Olsa parse_events_print_error(&errinfo, str); 1600c74b0503SLeo Yan free(str); 160144b1e60aSAndi Kleen return -1; 160244b1e60aSAndi Kleen } 160344b1e60aSAndi Kleen } else { 160444b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 160544b1e60aSAndi Kleen return -1; 160644b1e60aSAndi Kleen } 160744b1e60aSAndi Kleen free(str); 160844b1e60aSAndi Kleen } 160944b1e60aSAndi Kleen 16106484d2f9SJiri Olsa if (!evsel_list->core.nr_entries) { 1611a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 1612a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 1613a1f3d567SNamhyung Kim 16149dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 16159dec4473SAndi Kleen return -1; 16169dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 16179dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 16189dec4473SAndi Kleen frontend_attrs) < 0) 16199dec4473SAndi Kleen return -1; 16209dec4473SAndi Kleen } 16219dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 16229dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 16239dec4473SAndi Kleen backend_attrs) < 0) 16249dec4473SAndi Kleen return -1; 16259dec4473SAndi Kleen } 16269dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 16272cba3ffbSIngo Molnar return -1; 16282cba3ffbSIngo Molnar } 16292cba3ffbSIngo Molnar 16302cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 16312cba3ffbSIngo Molnar 16322cba3ffbSIngo Molnar if (detailed_run < 1) 16332cba3ffbSIngo Molnar return 0; 16342cba3ffbSIngo Molnar 16352cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 163679695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 16372cba3ffbSIngo Molnar return -1; 16382cba3ffbSIngo Molnar 16392cba3ffbSIngo Molnar if (detailed_run < 2) 16402cba3ffbSIngo Molnar return 0; 16412cba3ffbSIngo Molnar 16422cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 164379695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 16442cba3ffbSIngo Molnar return -1; 16452cba3ffbSIngo Molnar 16462cba3ffbSIngo Molnar if (detailed_run < 3) 16472cba3ffbSIngo Molnar return 0; 16482cba3ffbSIngo Molnar 16492cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 165079695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 16512cba3ffbSIngo Molnar } 16522cba3ffbSIngo Molnar 16538a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 16544979d0c7SJiri Olsa "perf stat record [<options>]", 16554979d0c7SJiri Olsa NULL, 16564979d0c7SJiri Olsa }; 16574979d0c7SJiri Olsa 16583ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 16593ba78bd0SJiri Olsa { 16603ba78bd0SJiri Olsa int feat; 16613ba78bd0SJiri Olsa 16623ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 16633ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 16643ba78bd0SJiri Olsa 16658002a63fSJiri Olsa perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT); 16663ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 16673ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 16683ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 16693ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 16703ba78bd0SJiri Olsa } 16713ba78bd0SJiri Olsa 16724979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 16734979d0c7SJiri Olsa { 16744979d0c7SJiri Olsa struct perf_session *session; 16758ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 16764979d0c7SJiri Olsa 16778a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 16784979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 16794979d0c7SJiri Olsa 16804979d0c7SJiri Olsa if (output_name) 16812d4f2799SJiri Olsa data->path = output_name; 16824979d0c7SJiri Olsa 1683d97ae04bSJiri Olsa if (stat_config.run_count != 1 || forever) { 1684e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1685e9d6db8eSJiri Olsa return -1; 1686e9d6db8eSJiri Olsa } 1687e9d6db8eSJiri Olsa 16888ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 16896ef81c55SMamatha Inamdar if (IS_ERR(session)) { 16906ef81c55SMamatha Inamdar pr_err("Perf session creation failed\n"); 16916ef81c55SMamatha Inamdar return PTR_ERR(session); 16924979d0c7SJiri Olsa } 16934979d0c7SJiri Olsa 16943ba78bd0SJiri Olsa init_features(session); 16953ba78bd0SJiri Olsa 16964979d0c7SJiri Olsa session->evlist = evsel_list; 16974979d0c7SJiri Olsa perf_stat.session = session; 16984979d0c7SJiri Olsa perf_stat.record = true; 16994979d0c7SJiri Olsa return argc; 17004979d0c7SJiri Olsa } 17014979d0c7SJiri Olsa 170289f1688aSJiri Olsa static int process_stat_round_event(struct perf_session *session, 170389f1688aSJiri Olsa union perf_event *event) 1704a56f9390SJiri Olsa { 170572932371SJiri Olsa struct perf_record_stat_round *stat_round = &event->stat_round; 170632dcd021SJiri Olsa struct evsel *counter; 1707a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 1708a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 1709a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 1710a56f9390SJiri Olsa 1711e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1712a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 1713a56f9390SJiri Olsa 1714e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 1715e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 1716a56f9390SJiri Olsa 1717e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 1718bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 1719bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 1720a56f9390SJiri Olsa ts = &tsh; 1721a56f9390SJiri Olsa } 1722a56f9390SJiri Olsa 1723a56f9390SJiri Olsa print_counters(ts, argc, argv); 1724a56f9390SJiri Olsa return 0; 1725a56f9390SJiri Olsa } 1726a56f9390SJiri Olsa 172762ba18baSJiri Olsa static 172889f1688aSJiri Olsa int process_stat_config_event(struct perf_session *session, 172989f1688aSJiri Olsa union perf_event *event) 173062ba18baSJiri Olsa { 173189f1688aSJiri Olsa struct perf_tool *tool = session->tool; 173268d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 173368d702f7SJiri Olsa 173462ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 173568d702f7SJiri Olsa 1736315c0a1fSJiri Olsa if (perf_cpu_map__empty(st->cpus)) { 173789af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 173889af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 173989af4e05SJiri Olsa return 0; 174089af4e05SJiri Olsa } 174189af4e05SJiri Olsa 174289af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 174389af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 174489af4e05SJiri Olsa 17458ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 174668d702f7SJiri Olsa perf_stat_init_aggr_mode(); 174768d702f7SJiri Olsa else 174868d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 174968d702f7SJiri Olsa 175062ba18baSJiri Olsa return 0; 175162ba18baSJiri Olsa } 175262ba18baSJiri Olsa 17531975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 17541975d36eSJiri Olsa { 17551975d36eSJiri Olsa if (!st->cpus || !st->threads) 17561975d36eSJiri Olsa return 0; 17571975d36eSJiri Olsa 17581975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 17591975d36eSJiri Olsa return -EINVAL; 17601975d36eSJiri Olsa 1761453fa030SJiri Olsa perf_evlist__set_maps(&evsel_list->core, st->cpus, st->threads); 17621975d36eSJiri Olsa 17631975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 17641975d36eSJiri Olsa return -ENOMEM; 17651975d36eSJiri Olsa 17661975d36eSJiri Olsa st->maps_allocated = true; 17671975d36eSJiri Olsa return 0; 17681975d36eSJiri Olsa } 17691975d36eSJiri Olsa 17701975d36eSJiri Olsa static 177189f1688aSJiri Olsa int process_thread_map_event(struct perf_session *session, 177289f1688aSJiri Olsa union perf_event *event) 17731975d36eSJiri Olsa { 177489f1688aSJiri Olsa struct perf_tool *tool = session->tool; 17751975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 17761975d36eSJiri Olsa 17771975d36eSJiri Olsa if (st->threads) { 17781975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 17791975d36eSJiri Olsa return 0; 17801975d36eSJiri Olsa } 17811975d36eSJiri Olsa 17821975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 17831975d36eSJiri Olsa if (!st->threads) 17841975d36eSJiri Olsa return -ENOMEM; 17851975d36eSJiri Olsa 17861975d36eSJiri Olsa return set_maps(st); 17871975d36eSJiri Olsa } 17881975d36eSJiri Olsa 17891975d36eSJiri Olsa static 179089f1688aSJiri Olsa int process_cpu_map_event(struct perf_session *session, 179189f1688aSJiri Olsa union perf_event *event) 17921975d36eSJiri Olsa { 179389f1688aSJiri Olsa struct perf_tool *tool = session->tool; 17941975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 1795f854839bSJiri Olsa struct perf_cpu_map *cpus; 17961975d36eSJiri Olsa 17971975d36eSJiri Olsa if (st->cpus) { 17981975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 17991975d36eSJiri Olsa return 0; 18001975d36eSJiri Olsa } 18011975d36eSJiri Olsa 18021975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 18031975d36eSJiri Olsa if (!cpus) 18041975d36eSJiri Olsa return -ENOMEM; 18051975d36eSJiri Olsa 18061975d36eSJiri Olsa st->cpus = cpus; 18071975d36eSJiri Olsa return set_maps(st); 18081975d36eSJiri Olsa } 18091975d36eSJiri Olsa 18108a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 1811ba6039b6SJiri Olsa "perf stat report [<options>]", 1812ba6039b6SJiri Olsa NULL, 1813ba6039b6SJiri Olsa }; 1814ba6039b6SJiri Olsa 1815ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 1816ba6039b6SJiri Olsa .tool = { 1817ba6039b6SJiri Olsa .attr = perf_event__process_attr, 1818fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 18191975d36eSJiri Olsa .thread_map = process_thread_map_event, 18201975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 182162ba18baSJiri Olsa .stat_config = process_stat_config_event, 1822a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 1823a56f9390SJiri Olsa .stat_round = process_stat_round_event, 1824ba6039b6SJiri Olsa }, 182589af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 1826ba6039b6SJiri Olsa }; 1827ba6039b6SJiri Olsa 1828ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 1829ba6039b6SJiri Olsa { 1830ba6039b6SJiri Olsa struct perf_session *session; 1831ba6039b6SJiri Olsa const struct option options[] = { 1832ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 183389af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 183489af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1835db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &perf_stat.aggr_mode, 1836db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 183789af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 183889af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 183986895b48SJiri Olsa OPT_SET_UINT(0, "per-node", &perf_stat.aggr_mode, 184086895b48SJiri Olsa "aggregate counts per numa node", AGGR_NODE), 184189af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 184289af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1843ba6039b6SJiri Olsa OPT_END() 1844ba6039b6SJiri Olsa }; 1845ba6039b6SJiri Olsa struct stat st; 1846ba6039b6SJiri Olsa int ret; 1847ba6039b6SJiri Olsa 18488a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 1849ba6039b6SJiri Olsa 1850ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 1851ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1852ba6039b6SJiri Olsa input_name = "-"; 1853ba6039b6SJiri Olsa else 1854ba6039b6SJiri Olsa input_name = "perf.data"; 1855ba6039b6SJiri Olsa } 1856ba6039b6SJiri Olsa 18572d4f2799SJiri Olsa perf_stat.data.path = input_name; 18588ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 1859ba6039b6SJiri Olsa 18608ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 18616ef81c55SMamatha Inamdar if (IS_ERR(session)) 18626ef81c55SMamatha Inamdar return PTR_ERR(session); 1863ba6039b6SJiri Olsa 1864ba6039b6SJiri Olsa perf_stat.session = session; 1865ba6039b6SJiri Olsa stat_config.output = stderr; 1866ba6039b6SJiri Olsa evsel_list = session->evlist; 1867ba6039b6SJiri Olsa 1868ba6039b6SJiri Olsa ret = perf_session__process_events(session); 1869ba6039b6SJiri Olsa if (ret) 1870ba6039b6SJiri Olsa return ret; 1871ba6039b6SJiri Olsa 1872ba6039b6SJiri Olsa perf_session__delete(session); 1873ba6039b6SJiri Olsa return 0; 1874ba6039b6SJiri Olsa } 1875ba6039b6SJiri Olsa 1876e3ba76deSJiri Olsa static void setup_system_wide(int forks) 1877e3ba76deSJiri Olsa { 1878e3ba76deSJiri Olsa /* 1879e3ba76deSJiri Olsa * Make system wide (-a) the default target if 1880e3ba76deSJiri Olsa * no target was specified and one of following 1881e3ba76deSJiri Olsa * conditions is met: 1882e3ba76deSJiri Olsa * 1883e3ba76deSJiri Olsa * - there's no workload specified 1884e3ba76deSJiri Olsa * - there is workload specified but all requested 1885e3ba76deSJiri Olsa * events are system wide events 1886e3ba76deSJiri Olsa */ 1887e3ba76deSJiri Olsa if (!target__none(&target)) 1888e3ba76deSJiri Olsa return; 1889e3ba76deSJiri Olsa 1890e3ba76deSJiri Olsa if (!forks) 1891e3ba76deSJiri Olsa target.system_wide = true; 1892e3ba76deSJiri Olsa else { 189332dcd021SJiri Olsa struct evsel *counter; 1894e3ba76deSJiri Olsa 1895e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 1896648b5af3SJiri Olsa if (!counter->core.system_wide) 1897e3ba76deSJiri Olsa return; 1898e3ba76deSJiri Olsa } 1899e3ba76deSJiri Olsa 19006484d2f9SJiri Olsa if (evsel_list->core.nr_entries) 1901e3ba76deSJiri Olsa target.system_wide = true; 1902e3ba76deSJiri Olsa } 1903e3ba76deSJiri Olsa } 1904e3ba76deSJiri Olsa 1905b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 190686470930SIngo Molnar { 1907b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1908b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1909b070a547SArnaldo Carvalho de Melo NULL 1910b070a547SArnaldo Carvalho de Melo }; 1911cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 19124aa9015fSStephane Eranian const char *mode; 19135821522eSJiri Olsa FILE *output = stderr; 1914f1f8ad52Syuzhoujian unsigned int interval, timeout; 1915ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 191642202dd5SIngo Molnar 19175af52b51SStephane Eranian setlocale(LC_ALL, ""); 19185af52b51SStephane Eranian 19190f98b11cSJiri Olsa evsel_list = evlist__new(); 1920361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1921361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1922361c99a6SArnaldo Carvalho de Melo 19231669e509SWang Nan parse_events__shrink_config_terms(); 192451433eadSMichael Petlan 192551433eadSMichael Petlan /* String-parsing callback-based options would segfault when negated */ 192651433eadSMichael Petlan set_option_flag(stat_options, 'e', "event", PARSE_OPT_NONEG); 192751433eadSMichael Petlan set_option_flag(stat_options, 'M', "metrics", PARSE_OPT_NONEG); 192851433eadSMichael Petlan set_option_flag(stat_options, 'G', "cgroup", PARSE_OPT_NONEG); 192951433eadSMichael Petlan 19304979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 19314979d0c7SJiri Olsa (const char **) stat_usage, 1932a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 193337932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 1934fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 1935d7470b6aSStephane Eranian 1936fa7070a3SJiri Olsa if (stat_config.csv_sep) { 1937fa7070a3SJiri Olsa stat_config.csv_output = true; 1938fa7070a3SJiri Olsa if (!strcmp(stat_config.csv_sep, "\\t")) 1939fa7070a3SJiri Olsa stat_config.csv_sep = "\t"; 19406edb78a2SJiri Olsa } else 1941fa7070a3SJiri Olsa stat_config.csv_sep = DEFAULT_SEPARATOR; 19426edb78a2SJiri Olsa 19434979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 19444979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 19454979d0c7SJiri Olsa if (argc < 0) 19464979d0c7SJiri Olsa return -1; 1947ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 1948ba6039b6SJiri Olsa return __cmd_report(argc, argv); 19494979d0c7SJiri Olsa 1950ec0d3d1fSJiri Olsa interval = stat_config.interval; 1951f1f8ad52Syuzhoujian timeout = stat_config.timeout; 1952ec0d3d1fSJiri Olsa 19534979d0c7SJiri Olsa /* 19544979d0c7SJiri Olsa * For record command the -o is already taken care of. 19554979d0c7SJiri Olsa */ 19564979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 19574aa9015fSStephane Eranian output = NULL; 19584aa9015fSStephane Eranian 195956f3bae7SJim Cromie if (output_name && output_fd) { 196056f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1961e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 1962e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 1963cc03c542SNamhyung Kim goto out; 196456f3bae7SJim Cromie } 1965fc3e4d07SStephane Eranian 19660ce5aa02SJiri Olsa if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) { 196754b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 196854b50916SAndi Kleen goto out; 196954b50916SAndi Kleen } 197054b50916SAndi Kleen 1971d97ae04bSJiri Olsa if (stat_config.metric_only && stat_config.run_count > 1) { 197254b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 197354b50916SAndi Kleen goto out; 197454b50916SAndi Kleen } 197554b50916SAndi Kleen 197654ac0b1bSJiri Olsa if (stat_config.walltime_run_table && stat_config.run_count <= 1) { 1977e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 1978e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1979e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 1980e55c14afSJiri Olsa goto out; 1981e55c14afSJiri Olsa } 1982e55c14afSJiri Olsa 1983fc3e4d07SStephane Eranian if (output_fd < 0) { 1984fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 1985e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 1986cc03c542SNamhyung Kim goto out; 1987fc3e4d07SStephane Eranian } 1988fc3e4d07SStephane Eranian 19894aa9015fSStephane Eranian if (!output) { 19904aa9015fSStephane Eranian struct timespec tm; 19914aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 19924aa9015fSStephane Eranian 19934aa9015fSStephane Eranian output = fopen(output_name, mode); 19944aa9015fSStephane Eranian if (!output) { 19954aa9015fSStephane Eranian perror("failed to create output file"); 1996fceda7feSDavid Ahern return -1; 19974aa9015fSStephane Eranian } 19984aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 19994aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2000fc3e4d07SStephane Eranian } else if (output_fd > 0) { 200156f3bae7SJim Cromie mode = append_file ? "a" : "w"; 200256f3bae7SJim Cromie output = fdopen(output_fd, mode); 200356f3bae7SJim Cromie if (!output) { 200456f3bae7SJim Cromie perror("Failed opening logfd"); 200556f3bae7SJim Cromie return -errno; 200656f3bae7SJim Cromie } 20074aa9015fSStephane Eranian } 20084aa9015fSStephane Eranian 20095821522eSJiri Olsa stat_config.output = output; 20105821522eSJiri Olsa 2011d7470b6aSStephane Eranian /* 2012d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2013d7470b6aSStephane Eranian */ 2014fa7070a3SJiri Olsa if (stat_config.csv_output) { 201561a9f324SJim Cromie /* User explicitly passed -B? */ 2016d7470b6aSStephane Eranian if (big_num_opt == 1) { 2017d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2018e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2019e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2020cc03c542SNamhyung Kim goto out; 2021d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 202234ff0866SJiri Olsa stat_config.big_num = false; 2023d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 202434ff0866SJiri Olsa stat_config.big_num = false; 2025d7470b6aSStephane Eranian 2026e3ba76deSJiri Olsa setup_system_wide(argc); 2027ac3063bdSDavid Ahern 20280ce2da14SJiri Olsa /* 20290ce2da14SJiri Olsa * Display user/system times only for single 20300ce2da14SJiri Olsa * run and when there's specified tracee. 20310ce2da14SJiri Olsa */ 2032d97ae04bSJiri Olsa if ((stat_config.run_count == 1) && target__none(&target)) 20338897a891SJiri Olsa stat_config.ru_display = true; 20340ce2da14SJiri Olsa 2035d97ae04bSJiri Olsa if (stat_config.run_count < 0) { 2036cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2037e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2038cc03c542SNamhyung Kim goto out; 2039d97ae04bSJiri Olsa } else if (stat_config.run_count == 0) { 2040a7e191c3SFrederik Deweerdt forever = true; 2041d97ae04bSJiri Olsa stat_config.run_count = 1; 2042a7e191c3SFrederik Deweerdt } 204386470930SIngo Molnar 204454ac0b1bSJiri Olsa if (stat_config.walltime_run_table) { 204554ac0b1bSJiri Olsa stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0])); 204654ac0b1bSJiri Olsa if (!stat_config.walltime_run) { 2047e55c14afSJiri Olsa pr_err("failed to setup -r option"); 2048e55c14afSJiri Olsa goto out; 2049e55c14afSJiri Olsa } 2050e55c14afSJiri Olsa } 2051e55c14afSJiri Olsa 20521d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 20531d9f8d1bSJin Yao !target__has_task(&target)) { 20541d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 20551d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 20561d9f8d1bSJin Yao "available when monitoring via -p -t -a " 20571d9f8d1bSJin Yao "options or only --per-thread.\n"); 2058e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 2059e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 206032b8af82SJiri Olsa goto out; 206132b8af82SJiri Olsa } 20621d9f8d1bSJin Yao } 206332b8af82SJiri Olsa 206432b8af82SJiri Olsa /* 206532b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 206632b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 206732b8af82SJiri Olsa */ 2068421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 2069421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 2070602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 2071023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 2072023695d9SStephane Eranian "modes only available in system-wide mode\n"); 2073023695d9SStephane Eranian 2074e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 2075e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 2076e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2077cc03c542SNamhyung Kim goto out; 2078d7e7a451SStephane Eranian } 2079d7e7a451SStephane Eranian 20802cba3ffbSIngo Molnar if (add_default_attributes()) 2081c6264defSIngo Molnar goto out; 208286470930SIngo Molnar 2083602ad878SArnaldo Carvalho de Melo target__validate(&target); 20845c98d466SArnaldo Carvalho de Melo 20851d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 20861d9f8d1bSJin Yao target.per_thread = true; 20871d9f8d1bSJin Yao 208877a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 2089602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 20905c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 2091e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 2092e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 2093602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 209460d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 2095e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 2096e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2097cc03c542SNamhyung Kim } 2098cc03c542SNamhyung Kim goto out; 209960d567e2SArnaldo Carvalho de Melo } 210032b8af82SJiri Olsa 210132b8af82SJiri Olsa /* 210232b8af82SJiri Olsa * Initialize thread_map with comm names, 210332b8af82SJiri Olsa * so we could print it out on output. 210432b8af82SJiri Olsa */ 210556739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 210603617c22SJiri Olsa thread_map__read_comms(evsel_list->core.threads); 210756739444SJin Yao if (target.system_wide) { 210856739444SJin Yao if (runtime_stat_new(&stat_config, 2109a2f354e3SJiri Olsa perf_thread_map__nr(evsel_list->core.threads))) { 211056739444SJin Yao goto out; 211156739444SJin Yao } 211256739444SJin Yao } 211356739444SJin Yao } 211432b8af82SJiri Olsa 211586895b48SJiri Olsa if (stat_config.aggr_mode == AGGR_NODE) 211686895b48SJiri Olsa cpu__setup_cpunode_map(); 211786895b48SJiri Olsa 2118db06a269Syuzhoujian if (stat_config.times && interval) 2119db06a269Syuzhoujian interval_count = true; 2120db06a269Syuzhoujian else if (stat_config.times && !interval) { 2121db06a269Syuzhoujian pr_err("interval-count option should be used together with " 2122db06a269Syuzhoujian "interval-print.\n"); 2123db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 2124db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 2125db06a269Syuzhoujian goto out; 2126db06a269Syuzhoujian } 2127c45c6ea2SStephane Eranian 2128f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 2129f1f8ad52Syuzhoujian if (timeout < 10) { 2130f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 2131f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 2132f1f8ad52Syuzhoujian goto out; 2133f1f8ad52Syuzhoujian } else 2134f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 2135f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 2136f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 2137f1f8ad52Syuzhoujian } 2138f1f8ad52Syuzhoujian if (timeout && interval) { 2139f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 2140f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 2141f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 2142f1f8ad52Syuzhoujian goto out; 2143f1f8ad52Syuzhoujian } 2144f1f8ad52Syuzhoujian 2145d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 214603ad9747SArnaldo Carvalho de Melo goto out; 2147d6d901c2SZhang, Yanmin 214886ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 214903ad9747SArnaldo Carvalho de Melo goto out; 215086ee6e18SStephane Eranian 215186470930SIngo Molnar /* 21527d9ad16aSJiri Olsa * Set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 21537d9ad16aSJiri Olsa * while avoiding that older tools show confusing messages. 21547d9ad16aSJiri Olsa * 21557d9ad16aSJiri Olsa * However for pipe sessions we need to keep it zero, 21567d9ad16aSJiri Olsa * because script's perf_evsel__check_attr is triggered 21577d9ad16aSJiri Olsa * by attr->sample_type != 0, and we can't run it on 21587d9ad16aSJiri Olsa * stat sessions. 21597d9ad16aSJiri Olsa */ 21607d9ad16aSJiri Olsa stat_config.identifier = !(STAT_RECORD && perf_stat.data.is_pipe); 21617d9ad16aSJiri Olsa 21627d9ad16aSJiri Olsa /* 216386470930SIngo Molnar * We dont want to block the signals - that would cause 216486470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 216586470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 216686470930SIngo Molnar * task, but being ignored by perf stat itself: 216786470930SIngo Molnar */ 2168f7b7c26eSPeter Zijlstra atexit(sig_atexit); 2169a7e191c3SFrederik Deweerdt if (!forever) 217086470930SIngo Molnar signal(SIGINT, skip_signal); 217113370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 217286470930SIngo Molnar signal(SIGALRM, skip_signal); 217386470930SIngo Molnar signal(SIGABRT, skip_signal); 217486470930SIngo Molnar 217542202dd5SIngo Molnar status = 0; 2176d97ae04bSJiri Olsa for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) { 2177d97ae04bSJiri Olsa if (stat_config.run_count != 1 && verbose > 0) 21784aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 21794aa9015fSStephane Eranian run_idx + 1); 2180f9cef0a9SIngo Molnar 2181b63fd11cSSrikar Dronamraju if (run_idx != 0) 2182b63fd11cSSrikar Dronamraju perf_evlist__reset_prev_raw_counts(evsel_list); 2183b63fd11cSSrikar Dronamraju 2184e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 2185443f2d5bSSrikar Dronamraju if (forever && status != -1 && !interval) { 2186d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2187254ecbc7SJiri Olsa perf_stat__reset_stats(); 2188a7e191c3SFrederik Deweerdt } 218942202dd5SIngo Molnar } 219042202dd5SIngo Molnar 2191c7e5b328SJin Yao if (!forever && status != -1 && (!interval || stat_config.summary)) 2192d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2193d134ffb9SArnaldo Carvalho de Melo 21944979d0c7SJiri Olsa if (STAT_RECORD) { 21954979d0c7SJiri Olsa /* 21964979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 21974979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 21984979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 21994979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 22004979d0c7SJiri Olsa * 22014979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 22028b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 22038b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 22048b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 22058b99b1a4SJiri Olsa * tools remain -acme 22064979d0c7SJiri Olsa */ 22078ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 22084979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 22094979d0c7SJiri Olsa process_synthesized_event, 22104979d0c7SJiri Olsa &perf_stat.session->machines.host); 22114979d0c7SJiri Olsa if (err) { 22124979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 22134979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 22144979d0c7SJiri Olsa } 22154979d0c7SJiri Olsa 22167aad0c32SJiri Olsa if (!interval) { 22177aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 22187aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 22197aad0c32SJiri Olsa } 22207aad0c32SJiri Olsa 22218ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 22224979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 22234979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2224664c98d4SJiri Olsa } 22254979d0c7SJiri Olsa 2226750b4edeSJiri Olsa evlist__close(evsel_list); 22274979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 22284979d0c7SJiri Olsa } 22294979d0c7SJiri Olsa 2230544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2231d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 22320015e2e1SArnaldo Carvalho de Melo out: 2233d8f9da24SArnaldo Carvalho de Melo zfree(&stat_config.walltime_run); 2234e55c14afSJiri Olsa 2235daefd0bcSKan Liang if (smi_cost && smi_reset) 2236daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2237daefd0bcSKan Liang 2238c12995a5SJiri Olsa evlist__delete(evsel_list); 223956739444SJin Yao 224056739444SJin Yao runtime_stat_delete(&stat_config); 224156739444SJin Yao 224242202dd5SIngo Molnar return status; 224386470930SIngo Molnar } 2244