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" 51*660e533eSJin Yao #include "util/evlist-hybrid.h" 5269aad6f1SArnaldo Carvalho de Melo #include "util/evsel.h" 538f28827aSFrederic Weisbecker #include "util/debug.h" 54a5d243d0SIngo Molnar #include "util/color.h" 550007eceaSXiao Guangrong #include "util/stat.h" 5660666c63SLiming Wang #include "util/header.h" 57a12b51c4SPaul Mackerras #include "util/cpumap.h" 58fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 59d809560bSJiri Olsa #include "util/counts.h" 60687986bbSKan Liang #include "util/topdown.h" 614979d0c7SJiri Olsa #include "util/session.h" 62ba6039b6SJiri Olsa #include "util/tool.h" 63a067558eSArnaldo Carvalho de Melo #include "util/string2.h" 64b18f3e36SAndi Kleen #include "util/metricgroup.h" 65ea49e01cSArnaldo Carvalho de Melo #include "util/synthetic-events.h" 66aeb00b1aSArnaldo Carvalho de Melo #include "util/target.h" 67f3711020SArnaldo Carvalho de Melo #include "util/time-utils.h" 689660e08eSJiri Olsa #include "util/top.h" 694804e011SAndi Kleen #include "util/affinity.h" 7070943490SStephane Eranian #include "util/pfm.h" 71fa853c4bSSong Liu #include "util/bpf_counter.h" 72f07952b1SAlexander Antonov #include "util/iostat.h" 7312279429SJin Yao #include "util/pmu-hybrid.h" 74ba6039b6SJiri Olsa #include "asm/bug.h" 7586470930SIngo Molnar 76bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 777f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 7844b1e60aSAndi Kleen #include <api/fs/fs.h> 79a43783aeSArnaldo Carvalho de Melo #include <errno.h> 809607ad3aSArnaldo Carvalho de Melo #include <signal.h> 811f16c575SPeter Zijlstra #include <stdlib.h> 8286470930SIngo Molnar #include <sys/prctl.h> 83fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 845af52b51SStephane Eranian #include <locale.h> 85e3b03b6cSAndi Kleen #include <math.h> 867a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 877a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 884208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 897a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 900ce2da14SJiri Olsa #include <sys/time.h> 910ce2da14SJiri Olsa #include <sys/resource.h> 926ef81c55SMamatha Inamdar #include <linux/err.h> 9386470930SIngo Molnar 943052ba56SArnaldo Carvalho de Melo #include <linux/ctype.h> 95453fa030SJiri Olsa #include <perf/evlist.h> 963d689ed6SArnaldo Carvalho de Melo 97d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 98daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 99d7470b6aSStephane Eranian 100d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 10113370a9bSStephane Eranian 1024cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 103a454742cSJiri Olsa static const char *transaction_attrs = { 104a454742cSJiri Olsa "task-clock," 1054cabc3d1SAndi Kleen "{" 1064cabc3d1SAndi Kleen "instructions," 1074cabc3d1SAndi Kleen "cycles," 1084cabc3d1SAndi Kleen "cpu/cycles-t/," 1094cabc3d1SAndi Kleen "cpu/tx-start/," 1104cabc3d1SAndi Kleen "cpu/el-start/," 1114cabc3d1SAndi Kleen "cpu/cycles-ct/" 1124cabc3d1SAndi Kleen "}" 1134cabc3d1SAndi Kleen }; 1144cabc3d1SAndi Kleen 1154cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 116a454742cSJiri Olsa static const char * transaction_limited_attrs = { 117a454742cSJiri Olsa "task-clock," 1184cabc3d1SAndi Kleen "{" 1194cabc3d1SAndi Kleen "instructions," 1204cabc3d1SAndi Kleen "cycles," 1214cabc3d1SAndi Kleen "cpu/cycles-t/," 1224cabc3d1SAndi Kleen "cpu/tx-start/" 1234cabc3d1SAndi Kleen "}" 1244cabc3d1SAndi Kleen }; 1254cabc3d1SAndi Kleen 12644b1e60aSAndi Kleen static const char * topdown_attrs[] = { 12744b1e60aSAndi Kleen "topdown-total-slots", 12844b1e60aSAndi Kleen "topdown-slots-retired", 12944b1e60aSAndi Kleen "topdown-recovery-bubbles", 13044b1e60aSAndi Kleen "topdown-fetch-bubbles", 13144b1e60aSAndi Kleen "topdown-slots-issued", 13244b1e60aSAndi Kleen NULL, 13344b1e60aSAndi Kleen }; 13444b1e60aSAndi Kleen 13555c36a9fSAndi Kleen static const char *topdown_metric_attrs[] = { 13655c36a9fSAndi Kleen "slots", 13755c36a9fSAndi Kleen "topdown-retiring", 13855c36a9fSAndi Kleen "topdown-bad-spec", 13955c36a9fSAndi Kleen "topdown-fe-bound", 14055c36a9fSAndi Kleen "topdown-be-bound", 14155c36a9fSAndi Kleen NULL, 14255c36a9fSAndi Kleen }; 14355c36a9fSAndi Kleen 14463e39aa6SKan Liang static const char *topdown_metric_L2_attrs[] = { 14563e39aa6SKan Liang "slots", 14663e39aa6SKan Liang "topdown-retiring", 14763e39aa6SKan Liang "topdown-bad-spec", 14863e39aa6SKan Liang "topdown-fe-bound", 14963e39aa6SKan Liang "topdown-be-bound", 15063e39aa6SKan Liang "topdown-heavy-ops", 15163e39aa6SKan Liang "topdown-br-mispredict", 15263e39aa6SKan Liang "topdown-fetch-lat", 15363e39aa6SKan Liang "topdown-mem-bound", 15463e39aa6SKan Liang NULL, 15563e39aa6SKan Liang }; 15663e39aa6SKan Liang 157daefd0bcSKan Liang static const char *smi_cost_attrs = { 158daefd0bcSKan Liang "{" 159daefd0bcSKan Liang "msr/aperf/," 160daefd0bcSKan Liang "msr/smi/," 161daefd0bcSKan Liang "cycles" 162daefd0bcSKan Liang "}" 163daefd0bcSKan Liang }; 164daefd0bcSKan Liang 16563503dbaSJiri Olsa static struct evlist *evsel_list; 166112cb561SSong Liu static bool all_counters_use_bpf = true; 167361c99a6SArnaldo Carvalho de Melo 168602ad878SArnaldo Carvalho de Melo static struct target target = { 16977a6f014SNamhyung Kim .uid = UINT_MAX, 17077a6f014SNamhyung Kim }; 17142202dd5SIngo Molnar 172c1a1f5d9SJiri Olsa #define METRIC_ONLY_LEN 20 173c1a1f5d9SJiri Olsa 174d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 1752cba3ffbSIngo Molnar static int detailed_run = 0; 1764cabc3d1SAndi Kleen static bool transaction_run; 17744b1e60aSAndi Kleen static bool topdown_run = false; 178daefd0bcSKan Liang static bool smi_cost = false; 179daefd0bcSKan Liang static bool smi_reset = false; 180d7470b6aSStephane Eranian static int big_num_opt = -1; 18143bece79SLin Ming static bool group = false; 1821f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1831f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1841f16c575SPeter Zijlstra static bool sync_run = false; 185a7e191c3SFrederik Deweerdt static bool forever = false; 18644b1e60aSAndi Kleen static bool force_metric_only = false; 18713370a9bSStephane Eranian static struct timespec ref_time; 188e0547311SJiri Olsa static bool append_file; 189db06a269Syuzhoujian static bool interval_count; 190e0547311SJiri Olsa static const char *output_name; 191e0547311SJiri Olsa static int output_fd; 1925af52b51SStephane Eranian 1934979d0c7SJiri Olsa struct perf_stat { 1944979d0c7SJiri Olsa bool record; 1958ceb41d7SJiri Olsa struct perf_data data; 1964979d0c7SJiri Olsa struct perf_session *session; 1974979d0c7SJiri Olsa u64 bytes_written; 198ba6039b6SJiri Olsa struct perf_tool tool; 1991975d36eSJiri Olsa bool maps_allocated; 200f854839bSJiri Olsa struct perf_cpu_map *cpus; 2019749b90eSJiri Olsa struct perf_thread_map *threads; 20289af4e05SJiri Olsa enum aggr_mode aggr_mode; 2034979d0c7SJiri Olsa }; 2044979d0c7SJiri Olsa 2054979d0c7SJiri Olsa static struct perf_stat perf_stat; 2064979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 2074979d0c7SJiri Olsa 20860666c63SLiming Wang static volatile int done = 0; 20960666c63SLiming Wang 210421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 211421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 212711a572eSJiri Olsa .scale = true, 213df4f7b4dSJiri Olsa .unit_width = 4, /* strlen("unit") */ 214d97ae04bSJiri Olsa .run_count = 1, 215ee1760e2SJiri Olsa .metric_only_len = METRIC_ONLY_LEN, 21626893a60SJiri Olsa .walltime_nsecs_stats = &walltime_nsecs_stats, 21734ff0866SJiri Olsa .big_num = true, 21827e9769aSAlexey Budankov .ctl_fd = -1, 219f07952b1SAlexander Antonov .ctl_fd_ack = -1, 220f07952b1SAlexander Antonov .iostat_run = false, 221421a50f3SJiri Olsa }; 222421a50f3SJiri Olsa 223a9a17902SJiri Olsa static bool cpus_map_matched(struct evsel *a, struct evsel *b) 224a9a17902SJiri Olsa { 225a9a17902SJiri Olsa if (!a->core.cpus && !b->core.cpus) 226a9a17902SJiri Olsa return true; 227a9a17902SJiri Olsa 228a9a17902SJiri Olsa if (!a->core.cpus || !b->core.cpus) 229a9a17902SJiri Olsa return false; 230a9a17902SJiri Olsa 231a9a17902SJiri Olsa if (a->core.cpus->nr != b->core.cpus->nr) 232a9a17902SJiri Olsa return false; 233a9a17902SJiri Olsa 234a9a17902SJiri Olsa for (int i = 0; i < a->core.cpus->nr; i++) { 235a9a17902SJiri Olsa if (a->core.cpus->map[i] != b->core.cpus->map[i]) 236a9a17902SJiri Olsa return false; 237a9a17902SJiri Olsa } 238a9a17902SJiri Olsa 239a9a17902SJiri Olsa return true; 240a9a17902SJiri Olsa } 241a9a17902SJiri Olsa 242a9a17902SJiri Olsa static void evlist__check_cpu_maps(struct evlist *evlist) 243a9a17902SJiri Olsa { 244a9a17902SJiri Olsa struct evsel *evsel, *pos, *leader; 245a9a17902SJiri Olsa char buf[1024]; 246a9a17902SJiri Olsa 247*660e533eSJin Yao if (evlist__has_hybrid(evlist)) 248*660e533eSJin Yao evlist__warn_hybrid_group(evlist); 249*660e533eSJin Yao 250a9a17902SJiri Olsa evlist__for_each_entry(evlist, evsel) { 251a9a17902SJiri Olsa leader = evsel->leader; 252a9a17902SJiri Olsa 253a9a17902SJiri Olsa /* Check that leader matches cpus with each member. */ 254a9a17902SJiri Olsa if (leader == evsel) 255a9a17902SJiri Olsa continue; 256a9a17902SJiri Olsa if (cpus_map_matched(leader, evsel)) 257a9a17902SJiri Olsa continue; 258a9a17902SJiri Olsa 259a9a17902SJiri Olsa /* If there's mismatch disable the group and warn user. */ 260a9a17902SJiri Olsa WARN_ONCE(1, "WARNING: grouped events cpus do not match, disabling group:\n"); 261a9a17902SJiri Olsa evsel__group_desc(leader, buf, sizeof(buf)); 262a9a17902SJiri Olsa pr_warning(" %s\n", buf); 263a9a17902SJiri Olsa 264a9a17902SJiri Olsa if (verbose) { 265a9a17902SJiri Olsa cpu_map__snprint(leader->core.cpus, buf, sizeof(buf)); 266a9a17902SJiri Olsa pr_warning(" %s: %s\n", leader->name, buf); 267a9a17902SJiri Olsa cpu_map__snprint(evsel->core.cpus, buf, sizeof(buf)); 268a9a17902SJiri Olsa pr_warning(" %s: %s\n", evsel->name, buf); 269a9a17902SJiri Olsa } 270a9a17902SJiri Olsa 271a9a17902SJiri Olsa for_each_group_evsel(pos, leader) { 272a9a17902SJiri Olsa pos->leader = pos; 273a9a17902SJiri Olsa pos->core.nr_members = 0; 274a9a17902SJiri Olsa } 275a9a17902SJiri Olsa evsel->leader->core.nr_members = 0; 276a9a17902SJiri Olsa } 277a9a17902SJiri Olsa } 278a9a17902SJiri Olsa 27913370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 28013370a9bSStephane Eranian struct timespec *b) 28113370a9bSStephane Eranian { 28213370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 28313370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 284310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 28513370a9bSStephane Eranian r->tv_sec--; 28613370a9bSStephane Eranian } else { 28713370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 28813370a9bSStephane Eranian } 28913370a9bSStephane Eranian } 29013370a9bSStephane Eranian 291254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 292254ecbc7SJiri Olsa { 29356739444SJin Yao int i; 29456739444SJin Yao 29553f5e908SArnaldo Carvalho de Melo evlist__reset_stats(evsel_list); 296f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 29756739444SJin Yao 29856739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 29956739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 3001eda3b21SJiri Olsa } 3011eda3b21SJiri Olsa 3028b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 3034979d0c7SJiri Olsa union perf_event *event, 3044979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 3054979d0c7SJiri Olsa struct machine *machine __maybe_unused) 3064979d0c7SJiri Olsa { 3078ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 3088b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 3098b99b1a4SJiri Olsa return -1; 3108b99b1a4SJiri Olsa } 3118b99b1a4SJiri Olsa 3128b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 3138b99b1a4SJiri Olsa return 0; 3144979d0c7SJiri Olsa } 3154979d0c7SJiri Olsa 3161975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 3177aad0c32SJiri Olsa { 3181975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 3197aad0c32SJiri Olsa process_synthesized_event, 3207aad0c32SJiri Olsa NULL); 3217aad0c32SJiri Olsa } 3227aad0c32SJiri Olsa 3237aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 3247aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 3257aad0c32SJiri Olsa 3268cd36f3eSJiri Olsa #define SID(e, x, y) xyarray__entry(e->core.sample_id, x, y) 3275a6ea81bSJiri Olsa 328ddc6999eSArnaldo Carvalho de Melo static int evsel__write_stat_event(struct evsel *counter, u32 cpu, u32 thread, 3295a6ea81bSJiri Olsa struct perf_counts_values *count) 3305a6ea81bSJiri Olsa { 3315a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 3325a6ea81bSJiri Olsa 3335a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 3345a6ea81bSJiri Olsa process_synthesized_event, NULL); 3355a6ea81bSJiri Olsa } 3365a6ea81bSJiri Olsa 33732dcd021SJiri Olsa static int read_single_counter(struct evsel *counter, int cpu, 338f0fbb114SAndi Kleen int thread, struct timespec *rs) 339f0fbb114SAndi Kleen { 340f0fbb114SAndi Kleen if (counter->tool_event == PERF_TOOL_DURATION_TIME) { 341f0fbb114SAndi Kleen u64 val = rs->tv_nsec + rs->tv_sec*1000000000ULL; 342f0fbb114SAndi Kleen struct perf_counts_values *count = 343f0fbb114SAndi Kleen perf_counts(counter->counts, cpu, thread); 344f0fbb114SAndi Kleen count->ena = count->run = val; 345f0fbb114SAndi Kleen count->val = val; 346f0fbb114SAndi Kleen return 0; 347f0fbb114SAndi Kleen } 348ea089692SArnaldo Carvalho de Melo return evsel__read_counter(counter, cpu, thread); 349f0fbb114SAndi Kleen } 350f0fbb114SAndi Kleen 351f5b4a9c3SStephane Eranian /* 352f5b4a9c3SStephane Eranian * Read out the results of a single counter: 353f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 354f5b4a9c3SStephane Eranian */ 3554b49ab70SAndi Kleen static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu) 356f5b4a9c3SStephane Eranian { 357a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(evsel_list->core.threads); 3584b49ab70SAndi Kleen int thread; 359f5b4a9c3SStephane Eranian 3603b4331d9SSuzuki K. Poulose if (!counter->supported) 3613b4331d9SSuzuki K. Poulose return -ENOENT; 3623b4331d9SSuzuki K. Poulose 363648b5af3SJiri Olsa if (counter->core.system_wide) 3649bf1a529SJiri Olsa nthreads = 1; 3659bf1a529SJiri Olsa 3669bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 3673b3eb044SJiri Olsa struct perf_counts_values *count; 3683b3eb044SJiri Olsa 3693b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 37082bf311eSJiri Olsa 37182bf311eSJiri Olsa /* 37282bf311eSJiri Olsa * The leader's group read loads data into its group members 373ea089692SArnaldo Carvalho de Melo * (via evsel__read_counter()) and sets their count->loaded. 37482bf311eSJiri Olsa */ 375df1d6856SJiri Olsa if (!perf_counts__is_loaded(counter->counts, cpu, thread) && 376f0fbb114SAndi Kleen read_single_counter(counter, cpu, thread, rs)) { 377db49a717SStephane Eranian counter->counts->scaled = -1; 378db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 379db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 380c52b12edSArnaldo Carvalho de Melo return -1; 381db49a717SStephane Eranian } 3825a6ea81bSJiri Olsa 383df1d6856SJiri Olsa perf_counts__set_loaded(counter->counts, cpu, thread, false); 38482bf311eSJiri Olsa 3855a6ea81bSJiri Olsa if (STAT_RECORD) { 386ddc6999eSArnaldo Carvalho de Melo if (evsel__write_stat_event(counter, cpu, thread, count)) { 3875a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3885a6ea81bSJiri Olsa return -1; 3895a6ea81bSJiri Olsa } 3905a6ea81bSJiri Olsa } 3910b1abbf4SAndi Kleen 3920b1abbf4SAndi Kleen if (verbose > 1) { 3930b1abbf4SAndi Kleen fprintf(stat_config.output, 3940b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3958ab2e96dSArnaldo Carvalho de Melo evsel__name(counter), 3960b1abbf4SAndi Kleen cpu, 3970b1abbf4SAndi Kleen count->val, count->ena, count->run); 3980b1abbf4SAndi Kleen } 399f5b4a9c3SStephane Eranian } 400c52b12edSArnaldo Carvalho de Melo 401c52b12edSArnaldo Carvalho de Melo return 0; 40286470930SIngo Molnar } 40386470930SIngo Molnar 404c7e5b328SJin Yao static int read_affinity_counters(struct timespec *rs) 405106a94a0SJiri Olsa { 40632dcd021SJiri Olsa struct evsel *counter; 4074b49ab70SAndi Kleen struct affinity affinity; 4084b49ab70SAndi Kleen int i, ncpus, cpu; 4094b49ab70SAndi Kleen 410112cb561SSong Liu if (all_counters_use_bpf) 411112cb561SSong Liu return 0; 412112cb561SSong Liu 4134b49ab70SAndi Kleen if (affinity__setup(&affinity) < 0) 414c7e5b328SJin Yao return -1; 4154b49ab70SAndi Kleen 4164b49ab70SAndi Kleen ncpus = perf_cpu_map__nr(evsel_list->core.all_cpus); 4174b49ab70SAndi Kleen if (!target__has_cpu(&target) || target__has_per_thread(&target)) 4184b49ab70SAndi Kleen ncpus = 1; 4194b49ab70SAndi Kleen evlist__for_each_cpu(evsel_list, i, cpu) { 4204b49ab70SAndi Kleen if (i >= ncpus) 4214b49ab70SAndi Kleen break; 4224b49ab70SAndi Kleen affinity__set(&affinity, cpu); 423106a94a0SJiri Olsa 424e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 4254b49ab70SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 4264b49ab70SAndi Kleen continue; 427112cb561SSong Liu if (evsel__is_bpf(counter)) 428112cb561SSong Liu continue; 4294b49ab70SAndi Kleen if (!counter->err) { 4304b49ab70SAndi Kleen counter->err = read_counter_cpu(counter, rs, 4314b49ab70SAndi Kleen counter->cpu_iter - 1); 4324b49ab70SAndi Kleen } 4334b49ab70SAndi Kleen } 4344b49ab70SAndi Kleen } 4354b49ab70SAndi Kleen affinity__cleanup(&affinity); 436c7e5b328SJin Yao return 0; 437c7e5b328SJin Yao } 438c7e5b328SJin Yao 439fa853c4bSSong Liu static int read_bpf_map_counters(void) 440fa853c4bSSong Liu { 441fa853c4bSSong Liu struct evsel *counter; 442fa853c4bSSong Liu int err; 443fa853c4bSSong Liu 444fa853c4bSSong Liu evlist__for_each_entry(evsel_list, counter) { 445112cb561SSong Liu if (!evsel__is_bpf(counter)) 446112cb561SSong Liu continue; 447112cb561SSong Liu 448fa853c4bSSong Liu err = bpf_counter__read(counter); 449fa853c4bSSong Liu if (err) 450fa853c4bSSong Liu return err; 451fa853c4bSSong Liu } 452fa853c4bSSong Liu return 0; 453fa853c4bSSong Liu } 454fa853c4bSSong Liu 455c7e5b328SJin Yao static void read_counters(struct timespec *rs) 456c7e5b328SJin Yao { 457c7e5b328SJin Yao struct evsel *counter; 458c7e5b328SJin Yao 459fa853c4bSSong Liu if (!stat_config.stop_read_counter) { 460112cb561SSong Liu if (read_bpf_map_counters() || 461112cb561SSong Liu read_affinity_counters(rs)) 462c7e5b328SJin Yao return; 463fa853c4bSSong Liu } 4643b3eb044SJiri Olsa 4654b49ab70SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 4664b49ab70SAndi Kleen if (counter->err) 4674b49ab70SAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 4684b49ab70SAndi Kleen if (counter->err == 0 && perf_stat_process_counter(&stat_config, counter)) 4693b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 4704b49ab70SAndi Kleen counter->err = 0; 471106a94a0SJiri Olsa } 472106a94a0SJiri Olsa } 473106a94a0SJiri Olsa 47472f02a94SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 47572f02a94SJin Yao { 47672f02a94SJin Yao int i; 47772f02a94SJin Yao 47872f02a94SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 47972f02a94SJin Yao if (!config->stats) 48072f02a94SJin Yao return -1; 48172f02a94SJin Yao 48272f02a94SJin Yao config->stats_num = nthreads; 48372f02a94SJin Yao 48472f02a94SJin Yao for (i = 0; i < nthreads; i++) 48572f02a94SJin Yao runtime_stat__init(&config->stats[i]); 48672f02a94SJin Yao 48772f02a94SJin Yao return 0; 48872f02a94SJin Yao } 48972f02a94SJin Yao 49072f02a94SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 49172f02a94SJin Yao { 49272f02a94SJin Yao int i; 49372f02a94SJin Yao 49472f02a94SJin Yao if (!config->stats) 49572f02a94SJin Yao return; 49672f02a94SJin Yao 49772f02a94SJin Yao for (i = 0; i < config->stats_num; i++) 49872f02a94SJin Yao runtime_stat__exit(&config->stats[i]); 49972f02a94SJin Yao 50072f02a94SJin Yao zfree(&config->stats); 50172f02a94SJin Yao } 50272f02a94SJin Yao 50372f02a94SJin Yao static void runtime_stat_reset(struct perf_stat_config *config) 50472f02a94SJin Yao { 50572f02a94SJin Yao int i; 50672f02a94SJin Yao 50772f02a94SJin Yao if (!config->stats) 50872f02a94SJin Yao return; 50972f02a94SJin Yao 51072f02a94SJin Yao for (i = 0; i < config->stats_num; i++) 51172f02a94SJin Yao perf_stat__reset_shadow_per_stat(&config->stats[i]); 51272f02a94SJin Yao } 51372f02a94SJin Yao 514ba411a95SJiri Olsa static void process_interval(void) 51513370a9bSStephane Eranian { 51613370a9bSStephane Eranian struct timespec ts, rs; 51713370a9bSStephane Eranian 51813370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 51913370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 52013370a9bSStephane Eranian 521197ba86fSJin Yao perf_stat__reset_shadow_per_stat(&rt_stat); 52272f02a94SJin Yao runtime_stat_reset(&stat_config); 523f0fbb114SAndi Kleen read_counters(&rs); 524f0fbb114SAndi Kleen 5257aad0c32SJiri Olsa if (STAT_RECORD) { 526bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 5277aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 5287aad0c32SJiri Olsa } 5297aad0c32SJiri Olsa 530b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 531ea9eb1f4SJiri Olsa update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000ULL); 532d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 53313370a9bSStephane Eranian } 53413370a9bSStephane Eranian 535dece3a4dSAlexey Budankov static bool handle_interval(unsigned int interval, int *times) 536dece3a4dSAlexey Budankov { 537dece3a4dSAlexey Budankov if (interval) { 538dece3a4dSAlexey Budankov process_interval(); 539dece3a4dSAlexey Budankov if (interval_count && !(--(*times))) 540dece3a4dSAlexey Budankov return true; 541dece3a4dSAlexey Budankov } 542dece3a4dSAlexey Budankov return false; 543dece3a4dSAlexey Budankov } 544dece3a4dSAlexey Budankov 545fa853c4bSSong Liu static int enable_counters(void) 54641191688SAndi Kleen { 547fa853c4bSSong Liu struct evsel *evsel; 548fa853c4bSSong Liu int err; 549fa853c4bSSong Liu 550fa853c4bSSong Liu evlist__for_each_entry(evsel_list, evsel) { 551112cb561SSong Liu if (!evsel__is_bpf(evsel)) 552112cb561SSong Liu continue; 553112cb561SSong Liu 554fa853c4bSSong Liu err = bpf_counter__enable(evsel); 555fa853c4bSSong Liu if (err) 556fa853c4bSSong Liu return err; 557fa853c4bSSong Liu } 558fa853c4bSSong Liu 5592162b9c6SAlexey Budankov if (stat_config.initial_delay < 0) { 5602162b9c6SAlexey Budankov pr_info(EVLIST_DISABLED_MSG); 561fa853c4bSSong Liu return 0; 5622162b9c6SAlexey Budankov } 5632162b9c6SAlexey Budankov 5642162b9c6SAlexey Budankov if (stat_config.initial_delay > 0) { 5652162b9c6SAlexey Budankov pr_info(EVLIST_DISABLED_MSG); 566728c0ee0SJiri Olsa usleep(stat_config.initial_delay * USEC_PER_MSEC); 5672162b9c6SAlexey Budankov } 56867ccdecdSJiri Olsa 56967ccdecdSJiri Olsa /* 57067ccdecdSJiri Olsa * We need to enable counters only if: 57167ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 57267ccdecdSJiri Olsa * - we have initial delay configured 57367ccdecdSJiri Olsa */ 5742162b9c6SAlexey Budankov if (!target__none(&target) || stat_config.initial_delay) { 5751c87f165SJiri Olsa evlist__enable(evsel_list); 5762162b9c6SAlexey Budankov if (stat_config.initial_delay > 0) 5772162b9c6SAlexey Budankov pr_info(EVLIST_ENABLED_MSG); 5782162b9c6SAlexey Budankov } 579fa853c4bSSong Liu return 0; 58041191688SAndi Kleen } 58141191688SAndi Kleen 5823df33effSMark Rutland static void disable_counters(void) 5833df33effSMark Rutland { 5843df33effSMark Rutland /* 5853df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 5863df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 5873df33effSMark Rutland * from counting before reading their constituent counters. 5883df33effSMark Rutland */ 5893df33effSMark Rutland if (!target__none(&target)) 590e74676deSJiri Olsa evlist__disable(evsel_list); 5913df33effSMark Rutland } 5923df33effSMark Rutland 593f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 5946af206fdSArnaldo Carvalho de Melo 5956af206fdSArnaldo Carvalho de Melo /* 5967b392ef0SArnaldo Carvalho de Melo * evlist__prepare_workload will send a SIGUSR1 5976af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 5986af206fdSArnaldo Carvalho de Melo * want_signal to true. 5996af206fdSArnaldo Carvalho de Melo */ 600f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 601f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 6026af206fdSArnaldo Carvalho de Melo { 603f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 6046af206fdSArnaldo Carvalho de Melo } 6056af206fdSArnaldo Carvalho de Melo 606ddc6999eSArnaldo Carvalho de Melo static bool evsel__should_store_id(struct evsel *counter) 60782bf311eSJiri Olsa { 6081fc632ceSJiri Olsa return STAT_RECORD || counter->core.attr.read_format & PERF_FORMAT_ID; 60982bf311eSJiri Olsa } 61082bf311eSJiri Olsa 611cbb5df7eSJiri Olsa static bool is_target_alive(struct target *_target, 6129749b90eSJiri Olsa struct perf_thread_map *threads) 613cbb5df7eSJiri Olsa { 614cbb5df7eSJiri Olsa struct stat st; 615cbb5df7eSJiri Olsa int i; 616cbb5df7eSJiri Olsa 617cbb5df7eSJiri Olsa if (!target__has_task(_target)) 618cbb5df7eSJiri Olsa return true; 619cbb5df7eSJiri Olsa 620cbb5df7eSJiri Olsa for (i = 0; i < threads->nr; i++) { 621cbb5df7eSJiri Olsa char path[PATH_MAX]; 622cbb5df7eSJiri Olsa 623cbb5df7eSJiri Olsa scnprintf(path, PATH_MAX, "%s/%d", procfs__mountpoint(), 624cbb5df7eSJiri Olsa threads->map[i].pid); 625cbb5df7eSJiri Olsa 626cbb5df7eSJiri Olsa if (!stat(path, &st)) 627cbb5df7eSJiri Olsa return true; 628cbb5df7eSJiri Olsa } 629cbb5df7eSJiri Olsa 630cbb5df7eSJiri Olsa return false; 631cbb5df7eSJiri Olsa } 632cbb5df7eSJiri Olsa 633bee328cbSAlexey Budankov static void process_evlist(struct evlist *evlist, unsigned int interval) 634bee328cbSAlexey Budankov { 635bee328cbSAlexey Budankov enum evlist_ctl_cmd cmd = EVLIST_CTL_CMD_UNSUPPORTED; 636bee328cbSAlexey Budankov 637bee328cbSAlexey Budankov if (evlist__ctlfd_process(evlist, &cmd) > 0) { 638bee328cbSAlexey Budankov switch (cmd) { 639bee328cbSAlexey Budankov case EVLIST_CTL_CMD_ENABLE: 640bee328cbSAlexey Budankov if (interval) 641bee328cbSAlexey Budankov process_interval(); 642bee328cbSAlexey Budankov break; 643bee328cbSAlexey Budankov case EVLIST_CTL_CMD_DISABLE: 644bee328cbSAlexey Budankov if (interval) 645bee328cbSAlexey Budankov process_interval(); 646bee328cbSAlexey Budankov break; 647d20aff15SAdrian Hunter case EVLIST_CTL_CMD_SNAPSHOT: 648bee328cbSAlexey Budankov case EVLIST_CTL_CMD_ACK: 649bee328cbSAlexey Budankov case EVLIST_CTL_CMD_UNSUPPORTED: 650142544a9SJiri Olsa case EVLIST_CTL_CMD_EVLIST: 651f186cd61SJiri Olsa case EVLIST_CTL_CMD_STOP: 65247fddcb4SJiri Olsa case EVLIST_CTL_CMD_PING: 653bee328cbSAlexey Budankov default: 654bee328cbSAlexey Budankov break; 655bee328cbSAlexey Budankov } 656bee328cbSAlexey Budankov } 657bee328cbSAlexey Budankov } 658bee328cbSAlexey Budankov 659bee328cbSAlexey Budankov static void compute_tts(struct timespec *time_start, struct timespec *time_stop, 660bee328cbSAlexey Budankov int *time_to_sleep) 661bee328cbSAlexey Budankov { 662bee328cbSAlexey Budankov int tts = *time_to_sleep; 663bee328cbSAlexey Budankov struct timespec time_diff; 664bee328cbSAlexey Budankov 665bee328cbSAlexey Budankov diff_timespec(&time_diff, time_stop, time_start); 666bee328cbSAlexey Budankov 667bee328cbSAlexey Budankov tts -= time_diff.tv_sec * MSEC_PER_SEC + 668bee328cbSAlexey Budankov time_diff.tv_nsec / NSEC_PER_MSEC; 669bee328cbSAlexey Budankov 670bee328cbSAlexey Budankov if (tts < 0) 671bee328cbSAlexey Budankov tts = 0; 672bee328cbSAlexey Budankov 673bee328cbSAlexey Budankov *time_to_sleep = tts; 674bee328cbSAlexey Budankov } 675bee328cbSAlexey Budankov 676bee328cbSAlexey Budankov static int dispatch_events(bool forks, int timeout, int interval, int *times) 677987b8238SAlexey Budankov { 678987b8238SAlexey Budankov int child_exited = 0, status = 0; 679bee328cbSAlexey Budankov int time_to_sleep, sleep_time; 680bee328cbSAlexey Budankov struct timespec time_start, time_stop; 681bee328cbSAlexey Budankov 682bee328cbSAlexey Budankov if (interval) 683bee328cbSAlexey Budankov sleep_time = interval; 684bee328cbSAlexey Budankov else if (timeout) 685bee328cbSAlexey Budankov sleep_time = timeout; 686bee328cbSAlexey Budankov else 687bee328cbSAlexey Budankov sleep_time = 1000; 688bee328cbSAlexey Budankov 689bee328cbSAlexey Budankov time_to_sleep = sleep_time; 690987b8238SAlexey Budankov 691987b8238SAlexey Budankov while (!done) { 692987b8238SAlexey Budankov if (forks) 693987b8238SAlexey Budankov child_exited = waitpid(child_pid, &status, WNOHANG); 694987b8238SAlexey Budankov else 695987b8238SAlexey Budankov child_exited = !is_target_alive(&target, evsel_list->core.threads) ? 1 : 0; 696987b8238SAlexey Budankov 697987b8238SAlexey Budankov if (child_exited) 698987b8238SAlexey Budankov break; 699987b8238SAlexey Budankov 700bee328cbSAlexey Budankov clock_gettime(CLOCK_MONOTONIC, &time_start); 701bee328cbSAlexey Budankov if (!(evlist__poll(evsel_list, time_to_sleep) > 0)) { /* poll timeout or EINTR */ 702987b8238SAlexey Budankov if (timeout || handle_interval(interval, times)) 703987b8238SAlexey Budankov break; 704bee328cbSAlexey Budankov time_to_sleep = sleep_time; 705bee328cbSAlexey Budankov } else { /* fd revent */ 706bee328cbSAlexey Budankov process_evlist(evsel_list, interval); 707bee328cbSAlexey Budankov clock_gettime(CLOCK_MONOTONIC, &time_stop); 708bee328cbSAlexey Budankov compute_tts(&time_start, &time_stop, &time_to_sleep); 709bee328cbSAlexey Budankov } 710987b8238SAlexey Budankov } 711987b8238SAlexey Budankov 712987b8238SAlexey Budankov return status; 713987b8238SAlexey Budankov } 714987b8238SAlexey Budankov 715e0e6a6caSAndi Kleen enum counter_recovery { 716e0e6a6caSAndi Kleen COUNTER_SKIP, 717e0e6a6caSAndi Kleen COUNTER_RETRY, 718e0e6a6caSAndi Kleen COUNTER_FATAL, 719e0e6a6caSAndi Kleen }; 720e0e6a6caSAndi Kleen 721e0e6a6caSAndi Kleen static enum counter_recovery stat_handle_error(struct evsel *counter) 722e0e6a6caSAndi Kleen { 723e0e6a6caSAndi Kleen char msg[BUFSIZ]; 724e0e6a6caSAndi Kleen /* 725e0e6a6caSAndi Kleen * PPC returns ENXIO for HW counters until 2.6.37 726e0e6a6caSAndi Kleen * (behavior changed with commit b0a873e). 727e0e6a6caSAndi Kleen */ 728e0e6a6caSAndi Kleen if (errno == EINVAL || errno == ENOSYS || 729e0e6a6caSAndi Kleen errno == ENOENT || errno == EOPNOTSUPP || 730e0e6a6caSAndi Kleen errno == ENXIO) { 731e0e6a6caSAndi Kleen if (verbose > 0) 732e0e6a6caSAndi Kleen ui__warning("%s event is not supported by the kernel.\n", 7338ab2e96dSArnaldo Carvalho de Melo evsel__name(counter)); 734e0e6a6caSAndi Kleen counter->supported = false; 7354804e011SAndi Kleen /* 7364804e011SAndi Kleen * errored is a sticky flag that means one of the counter's 7374804e011SAndi Kleen * cpu event had a problem and needs to be reexamined. 7384804e011SAndi Kleen */ 7394804e011SAndi Kleen counter->errored = true; 740e0e6a6caSAndi Kleen 741e0e6a6caSAndi Kleen if ((counter->leader != counter) || 742e0e6a6caSAndi Kleen !(counter->leader->core.nr_members > 1)) 743e0e6a6caSAndi Kleen return COUNTER_SKIP; 744ae430892SArnaldo Carvalho de Melo } else if (evsel__fallback(counter, errno, msg, sizeof(msg))) { 745e0e6a6caSAndi Kleen if (verbose > 0) 746e0e6a6caSAndi Kleen ui__warning("%s\n", msg); 747e0e6a6caSAndi Kleen return COUNTER_RETRY; 748e0e6a6caSAndi Kleen } else if (target__has_per_thread(&target) && 749e0e6a6caSAndi Kleen evsel_list->core.threads && 750e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread != -1) { 751e0e6a6caSAndi Kleen /* 752e0e6a6caSAndi Kleen * For global --per-thread case, skip current 753e0e6a6caSAndi Kleen * error thread. 754e0e6a6caSAndi Kleen */ 755e0e6a6caSAndi Kleen if (!thread_map__remove(evsel_list->core.threads, 756e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread)) { 757e0e6a6caSAndi Kleen evsel_list->core.threads->err_thread = -1; 758e0e6a6caSAndi Kleen return COUNTER_RETRY; 759e0e6a6caSAndi Kleen } 760e0e6a6caSAndi Kleen } 761e0e6a6caSAndi Kleen 7622bb72dbbSArnaldo Carvalho de Melo evsel__open_strerror(counter, &target, errno, msg, sizeof(msg)); 763e0e6a6caSAndi Kleen ui__error("%s\n", msg); 764e0e6a6caSAndi Kleen 765e0e6a6caSAndi Kleen if (child_pid != -1) 766e0e6a6caSAndi Kleen kill(child_pid, SIGTERM); 767e0e6a6caSAndi Kleen return COUNTER_FATAL; 768e0e6a6caSAndi Kleen } 769e0e6a6caSAndi Kleen 770e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 77186470930SIngo Molnar { 772ec0d3d1fSJiri Olsa int interval = stat_config.interval; 773db06a269Syuzhoujian int times = stat_config.times; 774f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 775d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 77686470930SIngo Molnar unsigned long long t0, t1; 77732dcd021SJiri Olsa struct evsel *counter; 778410136f5SStephane Eranian size_t l; 77942202dd5SIngo Molnar int status = 0; 7806be2850eSZhang, Yanmin const bool forks = (argc > 0); 7818ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 7824804e011SAndi Kleen struct affinity affinity; 783fa853c4bSSong Liu int i, cpu, err; 7844804e011SAndi Kleen bool second_pass = false; 78586470930SIngo Molnar 786acf28922SNamhyung Kim if (forks) { 7877b392ef0SArnaldo Carvalho de Melo if (evlist__prepare_workload(evsel_list, &target, argv, is_pipe, workload_exec_failed_signal) < 0) { 788acf28922SNamhyung Kim perror("failed to prepare workload"); 789fceda7feSDavid Ahern return -1; 790051ae7f7SPaul Mackerras } 791d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 79260666c63SLiming Wang } 793051ae7f7SPaul Mackerras 7946a4bb04cSJiri Olsa if (group) 795a622eafaSArnaldo Carvalho de Melo evlist__set_leader(evsel_list); 7966a4bb04cSJiri Olsa 7974804e011SAndi Kleen if (affinity__setup(&affinity) < 0) 7984804e011SAndi Kleen return -1; 7995a5dfe4bSAndi Kleen 800fa853c4bSSong Liu evlist__for_each_entry(evsel_list, counter) { 801fa853c4bSSong Liu if (bpf_counter__load(counter, &target)) 802fa853c4bSSong Liu return -1; 803112cb561SSong Liu if (!evsel__is_bpf(counter)) 804112cb561SSong Liu all_counters_use_bpf = false; 805fa853c4bSSong Liu } 806fa853c4bSSong Liu 8074804e011SAndi Kleen evlist__for_each_cpu (evsel_list, i, cpu) { 8087fac83aaSSong Liu /* 8097fac83aaSSong Liu * bperf calls evsel__open_per_cpu() in bperf__load(), so 8107fac83aaSSong Liu * no need to call it again here. 8117fac83aaSSong Liu */ 8127fac83aaSSong Liu if (target.use_bpf) 8137fac83aaSSong Liu break; 8144804e011SAndi Kleen affinity__set(&affinity, cpu); 8154804e011SAndi Kleen 8164804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 8174804e011SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 8184804e011SAndi Kleen continue; 8194804e011SAndi Kleen if (counter->reset_group || counter->errored) 8204804e011SAndi Kleen continue; 821112cb561SSong Liu if (evsel__is_bpf(counter)) 822112cb561SSong Liu continue; 8234804e011SAndi Kleen try_again: 8244804e011SAndi Kleen if (create_perf_stat_counter(counter, &stat_config, &target, 8254804e011SAndi Kleen counter->cpu_iter - 1) < 0) { 8264804e011SAndi Kleen 8274804e011SAndi Kleen /* 8284804e011SAndi Kleen * Weak group failed. We cannot just undo this here 8294804e011SAndi Kleen * because earlier CPUs might be in group mode, and the kernel 8304804e011SAndi Kleen * doesn't support mixing group and non group reads. Defer 8314804e011SAndi Kleen * it to later. 8324804e011SAndi Kleen * Don't close here because we're in the wrong affinity. 8334804e011SAndi Kleen */ 83435c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 8355a5dfe4bSAndi Kleen counter->leader != counter && 8365a5dfe4bSAndi Kleen counter->weak_group) { 83764b4778bSArnaldo Carvalho de Melo evlist__reset_weak_group(evsel_list, counter, false); 8384804e011SAndi Kleen assert(counter->reset_group); 8394804e011SAndi Kleen second_pass = true; 8404804e011SAndi Kleen continue; 8415a5dfe4bSAndi Kleen } 8425a5dfe4bSAndi Kleen 843e0e6a6caSAndi Kleen switch (stat_handle_error(counter)) { 844e0e6a6caSAndi Kleen case COUNTER_FATAL: 845084ab9f8SArnaldo Carvalho de Melo return -1; 846e0e6a6caSAndi Kleen case COUNTER_RETRY: 847e0e6a6caSAndi Kleen goto try_again; 848e0e6a6caSAndi Kleen case COUNTER_SKIP: 849e0e6a6caSAndi Kleen continue; 850e0e6a6caSAndi Kleen default: 851e0e6a6caSAndi Kleen break; 852e0e6a6caSAndi Kleen } 8534804e011SAndi Kleen 854084ab9f8SArnaldo Carvalho de Melo } 8552cee77c4SDavid Ahern counter->supported = true; 8564804e011SAndi Kleen } 8574804e011SAndi Kleen } 8584804e011SAndi Kleen 8594804e011SAndi Kleen if (second_pass) { 8604804e011SAndi Kleen /* 8614804e011SAndi Kleen * Now redo all the weak group after closing them, 8624804e011SAndi Kleen * and also close errored counters. 8634804e011SAndi Kleen */ 8644804e011SAndi Kleen 8654804e011SAndi Kleen evlist__for_each_cpu(evsel_list, i, cpu) { 8664804e011SAndi Kleen affinity__set(&affinity, cpu); 8674804e011SAndi Kleen /* First close errored or weak retry */ 8684804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 8694804e011SAndi Kleen if (!counter->reset_group && !counter->errored) 8704804e011SAndi Kleen continue; 8714804e011SAndi Kleen if (evsel__cpu_iter_skip_no_inc(counter, cpu)) 8724804e011SAndi Kleen continue; 8734804e011SAndi Kleen perf_evsel__close_cpu(&counter->core, counter->cpu_iter); 8744804e011SAndi Kleen } 8754804e011SAndi Kleen /* Now reopen weak */ 8764804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 8774804e011SAndi Kleen if (!counter->reset_group && !counter->errored) 8784804e011SAndi Kleen continue; 8794804e011SAndi Kleen if (evsel__cpu_iter_skip(counter, cpu)) 8804804e011SAndi Kleen continue; 8814804e011SAndi Kleen if (!counter->reset_group) 8824804e011SAndi Kleen continue; 8834804e011SAndi Kleen try_again_reset: 8848ab2e96dSArnaldo Carvalho de Melo pr_debug2("reopening weak %s\n", evsel__name(counter)); 8854804e011SAndi Kleen if (create_perf_stat_counter(counter, &stat_config, &target, 8864804e011SAndi Kleen counter->cpu_iter - 1) < 0) { 8874804e011SAndi Kleen 8884804e011SAndi Kleen switch (stat_handle_error(counter)) { 8894804e011SAndi Kleen case COUNTER_FATAL: 8904804e011SAndi Kleen return -1; 8914804e011SAndi Kleen case COUNTER_RETRY: 8924804e011SAndi Kleen goto try_again_reset; 8934804e011SAndi Kleen case COUNTER_SKIP: 8944804e011SAndi Kleen continue; 8954804e011SAndi Kleen default: 8964804e011SAndi Kleen break; 8974804e011SAndi Kleen } 8984804e011SAndi Kleen } 8994804e011SAndi Kleen counter->supported = true; 9004804e011SAndi Kleen } 9014804e011SAndi Kleen } 9024804e011SAndi Kleen } 9034804e011SAndi Kleen affinity__cleanup(&affinity); 9044804e011SAndi Kleen 9054804e011SAndi Kleen evlist__for_each_entry(evsel_list, counter) { 9064804e011SAndi Kleen if (!counter->supported) { 9074804e011SAndi Kleen perf_evsel__free_fd(&counter->core); 9084804e011SAndi Kleen continue; 9094804e011SAndi Kleen } 910410136f5SStephane Eranian 911410136f5SStephane Eranian l = strlen(counter->unit); 912df4f7b4dSJiri Olsa if (l > stat_config.unit_width) 913df4f7b4dSJiri Olsa stat_config.unit_width = l; 9142af4646dSJiri Olsa 915ddc6999eSArnaldo Carvalho de Melo if (evsel__should_store_id(counter) && 91634397753SArnaldo Carvalho de Melo evsel__store_ids(counter, evsel_list)) 9172af4646dSJiri Olsa return -1; 91848290609SArnaldo Carvalho de Melo } 91986470930SIngo Molnar 92024bf91a7SArnaldo Carvalho de Melo if (evlist__apply_filters(evsel_list, &counter)) { 92162d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 9228ab2e96dSArnaldo Carvalho de Melo counter->filter, evsel__name(counter), errno, 923c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 924cfd748aeSFrederic Weisbecker return -1; 925cfd748aeSFrederic Weisbecker } 926cfd748aeSFrederic Weisbecker 9274979d0c7SJiri Olsa if (STAT_RECORD) { 928fa853c4bSSong Liu int fd = perf_data__fd(&perf_stat.data); 9294979d0c7SJiri Olsa 930664c98d4SJiri Olsa if (is_pipe) { 9318ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 932664c98d4SJiri Olsa } else { 9334979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 9344979d0c7SJiri Olsa fd, false); 935664c98d4SJiri Olsa } 936664c98d4SJiri Olsa 9374979d0c7SJiri Olsa if (err < 0) 9384979d0c7SJiri Olsa return err; 9398b99b1a4SJiri Olsa 940b251892dSArnaldo Carvalho de Melo err = perf_event__synthesize_stat_events(&stat_config, NULL, evsel_list, 941c2c247f2SJiri Olsa process_synthesized_event, is_pipe); 9428b99b1a4SJiri Olsa if (err < 0) 9438b99b1a4SJiri Olsa return err; 9444979d0c7SJiri Olsa } 9454979d0c7SJiri Olsa 94686470930SIngo Molnar /* 94786470930SIngo Molnar * Enable counters and exec the command: 94886470930SIngo Molnar */ 94960666c63SLiming Wang if (forks) { 9507b392ef0SArnaldo Carvalho de Melo evlist__start_workload(evsel_list); 951fa853c4bSSong Liu err = enable_counters(); 952fa853c4bSSong Liu if (err) 953fa853c4bSSong Liu return -1; 954acf28922SNamhyung Kim 955435b46efSSong Liu t0 = rdclock(); 956435b46efSSong Liu clock_gettime(CLOCK_MONOTONIC, &ref_time); 957435b46efSSong Liu 95827e9769aSAlexey Budankov if (interval || timeout || evlist__ctlfd_initialized(evsel_list)) 959bee328cbSAlexey Budankov status = dispatch_events(forks, timeout, interval, ×); 960cfbd41b7SArnaldo Carvalho de Melo if (child_pid != -1) { 961cfbd41b7SArnaldo Carvalho de Melo if (timeout) 962cfbd41b7SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 9638897a891SJiri Olsa wait4(child_pid, &status, 0, &stat_config.ru_data); 964cfbd41b7SArnaldo Carvalho de Melo } 9656af206fdSArnaldo Carvalho de Melo 966f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 967c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 968f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 9696af206fdSArnaldo Carvalho de Melo return -1; 970f33cbe72SArnaldo Carvalho de Melo } 9716af206fdSArnaldo Carvalho de Melo 97233e49ea7SAndi Kleen if (WIFSIGNALED(status)) 97333e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 97460666c63SLiming Wang } else { 975fa853c4bSSong Liu err = enable_counters(); 976fa853c4bSSong Liu if (err) 977fa853c4bSSong Liu return -1; 978435b46efSSong Liu 979435b46efSSong Liu t0 = rdclock(); 980435b46efSSong Liu clock_gettime(CLOCK_MONOTONIC, &ref_time); 981435b46efSSong Liu 982bee328cbSAlexey Budankov status = dispatch_events(forks, timeout, interval, ×); 98360666c63SLiming Wang } 98486470930SIngo Molnar 9853df33effSMark Rutland disable_counters(); 9863df33effSMark Rutland 98786470930SIngo Molnar t1 = rdclock(); 98886470930SIngo Molnar 98954ac0b1bSJiri Olsa if (stat_config.walltime_run_table) 99054ac0b1bSJiri Olsa stat_config.walltime_run[run_idx] = t1 - t0; 991e55c14afSJiri Olsa 992ee6a9614SJin Yao if (interval && stat_config.summary) { 993c7e5b328SJin Yao stat_config.interval = 0; 994ee6a9614SJin Yao stat_config.stop_read_counter = true; 995c7e5b328SJin Yao init_stats(&walltime_nsecs_stats); 996c7e5b328SJin Yao update_stats(&walltime_nsecs_stats, t1 - t0); 997c7e5b328SJin Yao 998c7e5b328SJin Yao if (stat_config.aggr_mode == AGGR_GLOBAL) 99953f5e908SArnaldo Carvalho de Melo evlist__save_aggr_prev_raw_counts(evsel_list); 1000c7e5b328SJin Yao 100153f5e908SArnaldo Carvalho de Melo evlist__copy_prev_raw_counts(evsel_list); 100253f5e908SArnaldo Carvalho de Melo evlist__reset_prev_raw_counts(evsel_list); 1003c7e5b328SJin Yao runtime_stat_reset(&stat_config); 1004c7e5b328SJin Yao perf_stat__reset_shadow_per_stat(&rt_stat); 1005c7e5b328SJin Yao } else 10069e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 100742202dd5SIngo Molnar 10083df33effSMark Rutland /* 10093df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 10103df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 10113df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 10123df33effSMark Rutland * group leaders. 10133df33effSMark Rutland */ 1014f0fbb114SAndi Kleen read_counters(&(struct timespec) { .tv_nsec = t1-t0 }); 101508ef3af1SJiri Olsa 101608ef3af1SJiri Olsa /* 101708ef3af1SJiri Olsa * We need to keep evsel_list alive, because it's processed 101808ef3af1SJiri Olsa * later the evsel_list will be closed after. 101908ef3af1SJiri Olsa */ 102008ef3af1SJiri Olsa if (!STAT_RECORD) 1021750b4edeSJiri Olsa evlist__close(evsel_list); 1022c52b12edSArnaldo Carvalho de Melo 102342202dd5SIngo Molnar return WEXITSTATUS(status); 102442202dd5SIngo Molnar } 102542202dd5SIngo Molnar 1026e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 10271f16c575SPeter Zijlstra { 10281f16c575SPeter Zijlstra int ret; 10291f16c575SPeter Zijlstra 10301f16c575SPeter Zijlstra if (pre_cmd) { 10311f16c575SPeter Zijlstra ret = system(pre_cmd); 10321f16c575SPeter Zijlstra if (ret) 10331f16c575SPeter Zijlstra return ret; 10341f16c575SPeter Zijlstra } 10351f16c575SPeter Zijlstra 10361f16c575SPeter Zijlstra if (sync_run) 10371f16c575SPeter Zijlstra sync(); 10381f16c575SPeter Zijlstra 1039e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 10401f16c575SPeter Zijlstra if (ret) 10411f16c575SPeter Zijlstra return ret; 10421f16c575SPeter Zijlstra 10431f16c575SPeter Zijlstra if (post_cmd) { 10441f16c575SPeter Zijlstra ret = system(post_cmd); 10451f16c575SPeter Zijlstra if (ret) 10461f16c575SPeter Zijlstra return ret; 10471f16c575SPeter Zijlstra } 10481f16c575SPeter Zijlstra 10491f16c575SPeter Zijlstra return ret; 10501f16c575SPeter Zijlstra } 10511f16c575SPeter Zijlstra 1052a5a9eac1SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1053a5a9eac1SJiri Olsa { 10540174820aSJiri Olsa /* Do not print anything if we record to the pipe. */ 10550174820aSJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 10560174820aSJiri Olsa return; 105755a4de94SAndi Kleen if (stat_config.quiet) 105855a4de94SAndi Kleen return; 10590174820aSJiri Olsa 106071273724SArnaldo Carvalho de Melo evlist__print_counters(evsel_list, &stat_config, &target, ts, argc, argv); 1061a5a9eac1SJiri Olsa } 1062a5a9eac1SJiri Olsa 1063f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1064f7b7c26eSPeter Zijlstra 106586470930SIngo Molnar static void skip_signal(int signo) 106686470930SIngo Molnar { 1067ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 106860666c63SLiming Wang done = 1; 106960666c63SLiming Wang 1070f7b7c26eSPeter Zijlstra signr = signo; 1071d07f0b12SStephane Eranian /* 1072d07f0b12SStephane Eranian * render child_pid harmless 1073d07f0b12SStephane Eranian * won't send SIGTERM to a random 1074d07f0b12SStephane Eranian * process in case of race condition 1075d07f0b12SStephane Eranian * and fast PID recycling 1076d07f0b12SStephane Eranian */ 1077d07f0b12SStephane Eranian child_pid = -1; 1078f7b7c26eSPeter Zijlstra } 1079f7b7c26eSPeter Zijlstra 1080f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1081f7b7c26eSPeter Zijlstra { 1082d07f0b12SStephane Eranian sigset_t set, oset; 1083d07f0b12SStephane Eranian 1084d07f0b12SStephane Eranian /* 1085d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1086d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1087d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1088d07f0b12SStephane Eranian * process 1089d07f0b12SStephane Eranian */ 1090d07f0b12SStephane Eranian sigemptyset(&set); 1091d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1092d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1093d07f0b12SStephane Eranian 1094933da83aSChris Wilson if (child_pid != -1) 1095933da83aSChris Wilson kill(child_pid, SIGTERM); 1096933da83aSChris Wilson 1097d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1098d07f0b12SStephane Eranian 1099f7b7c26eSPeter Zijlstra if (signr == -1) 1100f7b7c26eSPeter Zijlstra return; 1101f7b7c26eSPeter Zijlstra 1102f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1103f7b7c26eSPeter Zijlstra kill(getpid(), signr); 110486470930SIngo Molnar } 110586470930SIngo Molnar 1106d778a778SPaul A. Clarke void perf_stat__set_big_num(int set) 1107d778a778SPaul A. Clarke { 1108d778a778SPaul A. Clarke stat_config.big_num = (set != 0); 1109d778a778SPaul A. Clarke } 1110d778a778SPaul A. Clarke 11110bdad978SJin Yao void perf_stat__set_no_csv_summary(int set) 11120bdad978SJin Yao { 11130bdad978SJin Yao stat_config.no_csv_summary = (set != 0); 11140bdad978SJin Yao } 11150bdad978SJin Yao 11161d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 11171d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1118d7470b6aSStephane Eranian { 1119d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1120d778a778SPaul A. Clarke perf_stat__set_big_num(!unset); 1121d7470b6aSStephane Eranian return 0; 1122d7470b6aSStephane Eranian } 1123d7470b6aSStephane Eranian 112444b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 112544b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 112644b1e60aSAndi Kleen { 112744b1e60aSAndi Kleen force_metric_only = true; 11280ce5aa02SJiri Olsa stat_config.metric_only = !unset; 112944b1e60aSAndi Kleen return 0; 113044b1e60aSAndi Kleen } 113144b1e60aSAndi Kleen 1132b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 1133b18f3e36SAndi Kleen const char *str, 1134b18f3e36SAndi Kleen int unset __maybe_unused) 1135b18f3e36SAndi Kleen { 113605530a79SIan Rogers return metricgroup__parse_groups(opt, str, 113705530a79SIan Rogers stat_config.metric_no_group, 113805530a79SIan Rogers stat_config.metric_no_merge, 113905530a79SIan Rogers &stat_config.metric_events); 1140b18f3e36SAndi Kleen } 1141b18f3e36SAndi Kleen 114227e9769aSAlexey Budankov static int parse_control_option(const struct option *opt, 114327e9769aSAlexey Budankov const char *str, 114427e9769aSAlexey Budankov int unset __maybe_unused) 114527e9769aSAlexey Budankov { 11469864a66dSAdrian Hunter struct perf_stat_config *config = opt->value; 114727e9769aSAlexey Budankov 1148a8fcbd26SAdrian Hunter return evlist__parse_control(str, &config->ctl_fd, &config->ctl_fd_ack, &config->ctl_fd_close); 1149a8fcbd26SAdrian Hunter } 1150a8fcbd26SAdrian Hunter 1151d1c5a0e8SNamhyung Kim static int parse_stat_cgroups(const struct option *opt, 1152d1c5a0e8SNamhyung Kim const char *str, int unset) 1153d1c5a0e8SNamhyung Kim { 1154d1c5a0e8SNamhyung Kim if (stat_config.cgroup_list) { 1155d1c5a0e8SNamhyung Kim pr_err("--cgroup and --for-each-cgroup cannot be used together\n"); 1156d1c5a0e8SNamhyung Kim return -1; 1157d1c5a0e8SNamhyung Kim } 1158d1c5a0e8SNamhyung Kim 1159d1c5a0e8SNamhyung Kim return parse_cgroups(opt, str, unset); 1160d1c5a0e8SNamhyung Kim } 1161d1c5a0e8SNamhyung Kim 116251433eadSMichael Petlan static struct option stat_options[] = { 1163e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 1164e0547311SJiri Olsa "hardware transaction statistics"), 1165e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 1166e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 1167e0547311SJiri Olsa parse_events_option), 1168e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 1169e0547311SJiri Olsa "event filter", parse_filter), 11705698f26bSJiri Olsa OPT_BOOLEAN('i', "no-inherit", &stat_config.no_inherit, 1171e0547311SJiri Olsa "child tasks do not inherit counters"), 1172e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 1173e0547311SJiri Olsa "stat events on existing process id"), 1174e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 1175e0547311SJiri Olsa "stat events on existing thread id"), 1176fa853c4bSSong Liu #ifdef HAVE_BPF_SKEL 1177fa853c4bSSong Liu OPT_STRING('b', "bpf-prog", &target.bpf_str, "bpf-prog-id", 1178fa853c4bSSong Liu "stat events on existing bpf program id"), 11797fac83aaSSong Liu OPT_BOOLEAN(0, "bpf-counters", &target.use_bpf, 11807fac83aaSSong Liu "use bpf program to count events"), 11817fac83aaSSong Liu OPT_STRING(0, "bpf-attr-map", &target.attr_map, "attr-map-path", 11827fac83aaSSong Liu "path to perf_event_attr map"), 1183fa853c4bSSong Liu #endif 1184e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 1185e0547311SJiri Olsa "system-wide collection from all CPUs"), 1186e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 1187e0547311SJiri Olsa "put the counters into a counter group"), 118875998bb2SAndi Kleen OPT_BOOLEAN(0, "scale", &stat_config.scale, 118975998bb2SAndi Kleen "Use --no-scale to disable counter scaling for multiplexing"), 1190e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 1191e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 1192d97ae04bSJiri Olsa OPT_INTEGER('r', "repeat", &stat_config.run_count, 1193e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 119454ac0b1bSJiri Olsa OPT_BOOLEAN(0, "table", &stat_config.walltime_run_table, 1195e55c14afSJiri Olsa "display details about each run (only with -r option)"), 1196aea0dca1SJiri Olsa OPT_BOOLEAN('n', "null", &stat_config.null_run, 1197e0547311SJiri Olsa "null run - dont start any counters"), 1198e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 1199e0547311SJiri Olsa "detailed run - start a lot of events"), 1200e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 1201e0547311SJiri Olsa "call sync() before starting a run"), 1202e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 1203e0547311SJiri Olsa "print large numbers with thousands\' separators", 1204e0547311SJiri Olsa stat__set_big_num), 1205e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 1206e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 1207e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 1208e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1209fdee335bSJiri Olsa OPT_BOOLEAN(0, "no-merge", &stat_config.no_merge, "Do not merge identical named events"), 1210fa7070a3SJiri Olsa OPT_STRING('x', "field-separator", &stat_config.csv_sep, "separator", 1211e0547311SJiri Olsa "print counts with custom separator"), 1212e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 1213d1c5a0e8SNamhyung Kim "monitor event in cgroup name only", parse_stat_cgroups), 1214d1c5a0e8SNamhyung Kim OPT_STRING(0, "for-each-cgroup", &stat_config.cgroup_list, "name", 1215d1c5a0e8SNamhyung Kim "expand events for each cgroup"), 1216e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 1217e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 1218e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 1219e0547311SJiri Olsa "log output to fd, instead of stderr"), 1220e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 1221e0547311SJiri Olsa "command to run prior to the measured command"), 1222e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 1223e0547311SJiri Olsa "command to run after to the measured command"), 1224e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 12259dc9a95fSAlexey Budankov "print counts at regular interval in ms " 12269dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 1227db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 1228db06a269Syuzhoujian "print counts for fixed number of times"), 1229132c6ba3SJiri Olsa OPT_BOOLEAN(0, "interval-clear", &stat_config.interval_clear, 12309660e08eSJiri Olsa "clear screen in between new interval"), 1231f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 1232f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 1233e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 1234e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1235db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &stat_config.aggr_mode, 1236db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 1237e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 1238e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 1239e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 1240e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 124186895b48SJiri Olsa OPT_SET_UINT(0, "per-node", &stat_config.aggr_mode, 124286895b48SJiri Olsa "aggregate counts per numa node", AGGR_NODE), 12432162b9c6SAlexey Budankov OPT_INTEGER('D', "delay", &stat_config.initial_delay, 12442162b9c6SAlexey Budankov "ms to wait before starting measurement after program start (-1: start with events disabled)"), 12450ce5aa02SJiri Olsa OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL, 124644b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 124705530a79SIan Rogers OPT_BOOLEAN(0, "metric-no-group", &stat_config.metric_no_group, 124805530a79SIan Rogers "don't group metric events, impacts multiplexing"), 124905530a79SIan Rogers OPT_BOOLEAN(0, "metric-no-merge", &stat_config.metric_no_merge, 125005530a79SIan Rogers "don't try to share events between metrics in a group"), 125144b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 125263e39aa6SKan Liang "measure top-down statistics"), 125363e39aa6SKan Liang OPT_UINTEGER(0, "td-level", &stat_config.topdown_level, 125463e39aa6SKan Liang "Set the metrics level for the top-down statistics (0: max level)"), 1255daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 1256daefd0bcSKan Liang "measure SMI cost"), 1257b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 1258b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 1259b18f3e36SAndi Kleen parse_metric_groups), 1260dd071024SJin Yao OPT_BOOLEAN_FLAG(0, "all-kernel", &stat_config.all_kernel, 1261dd071024SJin Yao "Configure all used events to run in kernel space.", 1262dd071024SJin Yao PARSE_OPT_EXCLUSIVE), 1263dd071024SJin Yao OPT_BOOLEAN_FLAG(0, "all-user", &stat_config.all_user, 1264dd071024SJin Yao "Configure all used events to run in user space.", 1265dd071024SJin Yao PARSE_OPT_EXCLUSIVE), 12661af62ce6SJin Yao OPT_BOOLEAN(0, "percore-show-thread", &stat_config.percore_show_thread, 12671af62ce6SJin Yao "Use with 'percore' event qualifier to show the event " 12681af62ce6SJin Yao "counts of one hardware thread by sum up total hardware " 12691af62ce6SJin Yao "threads of same physical core"), 1270ee6a9614SJin Yao OPT_BOOLEAN(0, "summary", &stat_config.summary, 1271ee6a9614SJin Yao "print summary for interval mode"), 12720bdad978SJin Yao OPT_BOOLEAN(0, "no-csv-summary", &stat_config.no_csv_summary, 12730bdad978SJin Yao "don't print 'summary' for CSV summary output"), 127455a4de94SAndi Kleen OPT_BOOLEAN(0, "quiet", &stat_config.quiet, 127555a4de94SAndi Kleen "don't print output (useful with record)"), 127670943490SStephane Eranian #ifdef HAVE_LIBPFM 127770943490SStephane Eranian OPT_CALLBACK(0, "pfm-events", &evsel_list, "event", 127870943490SStephane Eranian "libpfm4 event selector. use 'perf list' to list available events", 127970943490SStephane Eranian parse_libpfm_events_option), 128070943490SStephane Eranian #endif 1281a8fcbd26SAdrian Hunter OPT_CALLBACK(0, "control", &stat_config, "fd:ctl-fd[,ack-fd] or fifo:ctl-fifo[,ack-fifo]", 128227e9769aSAlexey Budankov "Listen on ctl-fd descriptor for command to control measurement ('enable': enable events, 'disable': disable events).\n" 1283a8fcbd26SAdrian Hunter "\t\t\t Optionally send control command completion ('ack\\n') to ack-fd descriptor.\n" 1284a8fcbd26SAdrian Hunter "\t\t\t Alternatively, ctl-fifo / ack-fifo will be opened and used as ctl-fd / ack-fd.", 128527e9769aSAlexey Budankov parse_control_option), 1286f07952b1SAlexander Antonov OPT_CALLBACK_OPTARG(0, "iostat", &evsel_list, &stat_config, "default", 1287f07952b1SAlexander Antonov "measure I/O performance metrics provided by arch/platform", 1288f07952b1SAlexander Antonov iostat_parse), 1289e0547311SJiri Olsa OPT_END() 1290e0547311SJiri Olsa }; 1291e0547311SJiri Olsa 12922760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_socket(struct perf_stat_config *config __maybe_unused, 1293f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 12941fe7a300SJiri Olsa { 12951fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 12961fe7a300SJiri Olsa } 12971fe7a300SJiri Olsa 12982760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_die(struct perf_stat_config *config __maybe_unused, 1299f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 1300db5742b6SKan Liang { 1301db5742b6SKan Liang return cpu_map__get_die(map, cpu, NULL); 1302db5742b6SKan Liang } 1303db5742b6SKan Liang 13042760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_core(struct perf_stat_config *config __maybe_unused, 1305f854839bSJiri Olsa struct perf_cpu_map *map, int cpu) 13061fe7a300SJiri Olsa { 13071fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 13081fe7a300SJiri Olsa } 13091fe7a300SJiri Olsa 13102760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_node(struct perf_stat_config *config __maybe_unused, 131186895b48SJiri Olsa struct perf_cpu_map *map, int cpu) 131286895b48SJiri Olsa { 131386895b48SJiri Olsa return cpu_map__get_node(map, cpu, NULL); 131486895b48SJiri Olsa } 131586895b48SJiri Olsa 13162760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_aggr(struct perf_stat_config *config, 1317f854839bSJiri Olsa aggr_get_id_t get_id, struct perf_cpu_map *map, int idx) 13181e5a2931SJiri Olsa { 13191e5a2931SJiri Olsa int cpu; 13202760f5a1SJames Clark struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); 13211e5a2931SJiri Olsa 13221e5a2931SJiri Olsa if (idx >= map->nr) 13232760f5a1SJames Clark return id; 13241e5a2931SJiri Olsa 13251e5a2931SJiri Olsa cpu = map->map[idx]; 13261e5a2931SJiri Olsa 1327ff523295SJames Clark if (cpu_map__aggr_cpu_id_is_empty(config->cpus_aggr_map->map[cpu])) 1328ff523295SJames Clark config->cpus_aggr_map->map[cpu] = get_id(config, map, idx); 13291e5a2931SJiri Olsa 1330ff523295SJames Clark id = config->cpus_aggr_map->map[cpu]; 13312760f5a1SJames Clark return id; 13321e5a2931SJiri Olsa } 13331e5a2931SJiri Olsa 13342760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_socket_cached(struct perf_stat_config *config, 1335f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 13361e5a2931SJiri Olsa { 13376f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx); 13381e5a2931SJiri Olsa } 13391e5a2931SJiri Olsa 13402760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_die_cached(struct perf_stat_config *config, 1341f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 1342db5742b6SKan Liang { 1343db5742b6SKan Liang return perf_stat__get_aggr(config, perf_stat__get_die, map, idx); 1344db5742b6SKan Liang } 1345db5742b6SKan Liang 13462760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_core_cached(struct perf_stat_config *config, 1347f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 13481e5a2931SJiri Olsa { 13496f6b6594SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_core, map, idx); 13501e5a2931SJiri Olsa } 13511e5a2931SJiri Olsa 13522760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_node_cached(struct perf_stat_config *config, 135386895b48SJiri Olsa struct perf_cpu_map *map, int idx) 135486895b48SJiri Olsa { 135586895b48SJiri Olsa return perf_stat__get_aggr(config, perf_stat__get_node, map, idx); 135686895b48SJiri Olsa } 135786895b48SJiri Olsa 13584fc4d8dfSJin Yao static bool term_percore_set(void) 13594fc4d8dfSJin Yao { 136032dcd021SJiri Olsa struct evsel *counter; 13614fc4d8dfSJin Yao 13624fc4d8dfSJin Yao evlist__for_each_entry(evsel_list, counter) { 13634fc4d8dfSJin Yao if (counter->percore) 13644fc4d8dfSJin Yao return true; 13654fc4d8dfSJin Yao } 13664fc4d8dfSJin Yao 13674fc4d8dfSJin Yao return false; 13684fc4d8dfSJin Yao } 13694fc4d8dfSJin Yao 137086ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 137186ee6e18SStephane Eranian { 13721e5a2931SJiri Olsa int nr; 13731e5a2931SJiri Olsa 1374421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 137586ee6e18SStephane Eranian case AGGR_SOCKET: 1376f72f901dSJiri Olsa if (cpu_map__build_socket_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 137786ee6e18SStephane Eranian perror("cannot build socket map"); 137886ee6e18SStephane Eranian return -1; 137986ee6e18SStephane Eranian } 13806f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_cached; 138186ee6e18SStephane Eranian break; 1382db5742b6SKan Liang case AGGR_DIE: 1383f72f901dSJiri Olsa if (cpu_map__build_die_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 1384db5742b6SKan Liang perror("cannot build die map"); 1385db5742b6SKan Liang return -1; 1386db5742b6SKan Liang } 1387db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_cached; 1388db5742b6SKan Liang break; 138912c08a9fSStephane Eranian case AGGR_CORE: 1390f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 139112c08a9fSStephane Eranian perror("cannot build core map"); 139212c08a9fSStephane Eranian return -1; 139312c08a9fSStephane Eranian } 13946f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_cached; 139512c08a9fSStephane Eranian break; 139686895b48SJiri Olsa case AGGR_NODE: 139786895b48SJiri Olsa if (cpu_map__build_node_map(evsel_list->core.cpus, &stat_config.aggr_map)) { 139886895b48SJiri Olsa perror("cannot build core map"); 139986895b48SJiri Olsa return -1; 140086895b48SJiri Olsa } 140186895b48SJiri Olsa stat_config.aggr_get_id = perf_stat__get_node_cached; 140286895b48SJiri Olsa break; 140386ee6e18SStephane Eranian case AGGR_NONE: 14044fc4d8dfSJin Yao if (term_percore_set()) { 1405f72f901dSJiri Olsa if (cpu_map__build_core_map(evsel_list->core.cpus, 14064fc4d8dfSJin Yao &stat_config.aggr_map)) { 14074fc4d8dfSJin Yao perror("cannot build core map"); 14084fc4d8dfSJin Yao return -1; 14094fc4d8dfSJin Yao } 14104fc4d8dfSJin Yao stat_config.aggr_get_id = perf_stat__get_core_cached; 14114fc4d8dfSJin Yao } 14124fc4d8dfSJin Yao break; 141386ee6e18SStephane Eranian case AGGR_GLOBAL: 141432b8af82SJiri Olsa case AGGR_THREAD: 1415208df99eSJiri Olsa case AGGR_UNSET: 141686ee6e18SStephane Eranian default: 141786ee6e18SStephane Eranian break; 141886ee6e18SStephane Eranian } 14191e5a2931SJiri Olsa 14201e5a2931SJiri Olsa /* 14211e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 14221e5a2931SJiri Olsa * taking the highest cpu number to be the size of 14231e5a2931SJiri Olsa * the aggregation translate cpumap. 14241e5a2931SJiri Olsa */ 14254256d434SJiri Olsa nr = perf_cpu_map__max(evsel_list->core.cpus); 1426d526e1a0SJames Clark stat_config.cpus_aggr_map = cpu_aggr_map__empty_new(nr + 1); 14276f6b6594SJiri Olsa return stat_config.cpus_aggr_map ? 0 : -ENOMEM; 142886ee6e18SStephane Eranian } 142986ee6e18SStephane Eranian 1430d526e1a0SJames Clark static void cpu_aggr_map__delete(struct cpu_aggr_map *map) 1431d526e1a0SJames Clark { 1432d526e1a0SJames Clark if (map) { 1433d526e1a0SJames Clark WARN_ONCE(refcount_read(&map->refcnt) != 0, 1434d526e1a0SJames Clark "cpu_aggr_map refcnt unbalanced\n"); 1435d526e1a0SJames Clark free(map); 1436d526e1a0SJames Clark } 1437d526e1a0SJames Clark } 1438d526e1a0SJames Clark 1439d526e1a0SJames Clark static void cpu_aggr_map__put(struct cpu_aggr_map *map) 1440d526e1a0SJames Clark { 1441d526e1a0SJames Clark if (map && refcount_dec_and_test(&map->refcnt)) 1442d526e1a0SJames Clark cpu_aggr_map__delete(map); 1443d526e1a0SJames Clark } 1444d526e1a0SJames Clark 1445544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1446544c2ae7SMasami Hiramatsu { 1447d526e1a0SJames Clark cpu_aggr_map__put(stat_config.aggr_map); 1448d526e1a0SJames Clark cpu_aggr_map__put(stat_config.cpus_aggr_map); 14496f6b6594SJiri Olsa stat_config.aggr_map = NULL; 14506f6b6594SJiri Olsa stat_config.cpus_aggr_map = NULL; 1451544c2ae7SMasami Hiramatsu } 1452544c2ae7SMasami Hiramatsu 1453f854839bSJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *map, int idx) 145468d702f7SJiri Olsa { 145568d702f7SJiri Olsa int cpu; 145668d702f7SJiri Olsa 145768d702f7SJiri Olsa if (idx > map->nr) 145868d702f7SJiri Olsa return -1; 145968d702f7SJiri Olsa 146068d702f7SJiri Olsa cpu = map->map[idx]; 146168d702f7SJiri Olsa 1462da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 146368d702f7SJiri Olsa return -1; 146468d702f7SJiri Olsa 146568d702f7SJiri Olsa return cpu; 146668d702f7SJiri Olsa } 146768d702f7SJiri Olsa 14682760f5a1SJames Clark static struct aggr_cpu_id perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data) 146968d702f7SJiri Olsa { 147068d702f7SJiri Olsa struct perf_env *env = data; 147168d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 14722760f5a1SJames Clark struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); 147368d702f7SJiri Olsa 14742760f5a1SJames Clark if (cpu != -1) 14751a270cb6SJames Clark id.socket = env->cpu[cpu].socket_id; 14762760f5a1SJames Clark 14772760f5a1SJames Clark return id; 147868d702f7SJiri Olsa } 147968d702f7SJiri Olsa 14802760f5a1SJames Clark static struct aggr_cpu_id perf_env__get_die(struct perf_cpu_map *map, int idx, void *data) 1481db5742b6SKan Liang { 1482db5742b6SKan Liang struct perf_env *env = data; 14832760f5a1SJames Clark struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); 14842760f5a1SJames Clark int cpu = perf_env__get_cpu(env, map, idx); 1485db5742b6SKan Liang 1486db5742b6SKan Liang if (cpu != -1) { 1487db5742b6SKan Liang /* 14881a270cb6SJames Clark * die_id is relative to socket, so start 14891a270cb6SJames Clark * with the socket ID and then add die to 14901a270cb6SJames Clark * make a unique ID. 1491db5742b6SKan Liang */ 14921a270cb6SJames Clark id.socket = env->cpu[cpu].socket_id; 1493ba2ee166SJames Clark id.die = env->cpu[cpu].die_id; 1494db5742b6SKan Liang } 1495db5742b6SKan Liang 14962760f5a1SJames Clark return id; 1497db5742b6SKan Liang } 1498db5742b6SKan Liang 14992760f5a1SJames Clark static struct aggr_cpu_id perf_env__get_core(struct perf_cpu_map *map, int idx, void *data) 150068d702f7SJiri Olsa { 150168d702f7SJiri Olsa struct perf_env *env = data; 15022760f5a1SJames Clark struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); 15032760f5a1SJames Clark int cpu = perf_env__get_cpu(env, map, idx); 150468d702f7SJiri Olsa 150568d702f7SJiri Olsa if (cpu != -1) { 150668d702f7SJiri Olsa /* 1507db5742b6SKan Liang * core_id is relative to socket and die, 1508b9933817SJames Clark * we need a global id. So we set 1509b9933817SJames Clark * socket, die id and core id 151068d702f7SJiri Olsa */ 15111a270cb6SJames Clark id.socket = env->cpu[cpu].socket_id; 1512ba2ee166SJames Clark id.die = env->cpu[cpu].die_id; 1513b9933817SJames Clark id.core = env->cpu[cpu].core_id; 151468d702f7SJiri Olsa } 151568d702f7SJiri Olsa 15162760f5a1SJames Clark return id; 151768d702f7SJiri Olsa } 151868d702f7SJiri Olsa 15192760f5a1SJames Clark static struct aggr_cpu_id perf_env__get_node(struct perf_cpu_map *map, int idx, void *data) 152086895b48SJiri Olsa { 152186895b48SJiri Olsa int cpu = perf_env__get_cpu(data, map, idx); 15222760f5a1SJames Clark struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); 152386895b48SJiri Olsa 1524fcd83a35SJames Clark id.node = perf_env__numa_node(data, cpu); 15252760f5a1SJames Clark return id; 152686895b48SJiri Olsa } 152786895b48SJiri Olsa 1528f854839bSJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus, 1529d526e1a0SJames Clark struct cpu_aggr_map **sockp) 153068d702f7SJiri Olsa { 153168d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 153268d702f7SJiri Olsa } 153368d702f7SJiri Olsa 1534f854839bSJiri Olsa static int perf_env__build_die_map(struct perf_env *env, struct perf_cpu_map *cpus, 1535d526e1a0SJames Clark struct cpu_aggr_map **diep) 1536db5742b6SKan Liang { 1537db5742b6SKan Liang return cpu_map__build_map(cpus, diep, perf_env__get_die, env); 1538db5742b6SKan Liang } 1539db5742b6SKan Liang 1540f854839bSJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct perf_cpu_map *cpus, 1541d526e1a0SJames Clark struct cpu_aggr_map **corep) 154268d702f7SJiri Olsa { 154368d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 154468d702f7SJiri Olsa } 154568d702f7SJiri Olsa 154686895b48SJiri Olsa static int perf_env__build_node_map(struct perf_env *env, struct perf_cpu_map *cpus, 1547d526e1a0SJames Clark struct cpu_aggr_map **nodep) 154886895b48SJiri Olsa { 154986895b48SJiri Olsa return cpu_map__build_map(cpus, nodep, perf_env__get_node, env); 155086895b48SJiri Olsa } 155186895b48SJiri Olsa 15522760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused, 1553f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 155468d702f7SJiri Olsa { 155568d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 155668d702f7SJiri Olsa } 15572760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused, 1558f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 1559db5742b6SKan Liang { 1560db5742b6SKan Liang return perf_env__get_die(map, idx, &perf_stat.session->header.env); 1561db5742b6SKan Liang } 156268d702f7SJiri Olsa 15632760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused, 1564f854839bSJiri Olsa struct perf_cpu_map *map, int idx) 156568d702f7SJiri Olsa { 156668d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 156768d702f7SJiri Olsa } 156868d702f7SJiri Olsa 15692760f5a1SJames Clark static struct aggr_cpu_id perf_stat__get_node_file(struct perf_stat_config *config __maybe_unused, 157086895b48SJiri Olsa struct perf_cpu_map *map, int idx) 157186895b48SJiri Olsa { 157286895b48SJiri Olsa return perf_env__get_node(map, idx, &perf_stat.session->header.env); 157386895b48SJiri Olsa } 157486895b48SJiri Olsa 157568d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 157668d702f7SJiri Olsa { 157768d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 157868d702f7SJiri Olsa 157968d702f7SJiri Olsa switch (stat_config.aggr_mode) { 158068d702f7SJiri Olsa case AGGR_SOCKET: 1581f72f901dSJiri Olsa if (perf_env__build_socket_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 158268d702f7SJiri Olsa perror("cannot build socket map"); 158368d702f7SJiri Olsa return -1; 158468d702f7SJiri Olsa } 15856f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_socket_file; 158668d702f7SJiri Olsa break; 1587db5742b6SKan Liang case AGGR_DIE: 1588f72f901dSJiri Olsa if (perf_env__build_die_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 1589db5742b6SKan Liang perror("cannot build die map"); 1590db5742b6SKan Liang return -1; 1591db5742b6SKan Liang } 1592db5742b6SKan Liang stat_config.aggr_get_id = perf_stat__get_die_file; 1593db5742b6SKan Liang break; 159468d702f7SJiri Olsa case AGGR_CORE: 1595f72f901dSJiri Olsa if (perf_env__build_core_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 159668d702f7SJiri Olsa perror("cannot build core map"); 159768d702f7SJiri Olsa return -1; 159868d702f7SJiri Olsa } 15996f6b6594SJiri Olsa stat_config.aggr_get_id = perf_stat__get_core_file; 160068d702f7SJiri Olsa break; 160186895b48SJiri Olsa case AGGR_NODE: 160286895b48SJiri Olsa if (perf_env__build_node_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { 160386895b48SJiri Olsa perror("cannot build core map"); 160486895b48SJiri Olsa return -1; 160586895b48SJiri Olsa } 160686895b48SJiri Olsa stat_config.aggr_get_id = perf_stat__get_node_file; 160786895b48SJiri Olsa break; 160868d702f7SJiri Olsa case AGGR_NONE: 160968d702f7SJiri Olsa case AGGR_GLOBAL: 161068d702f7SJiri Olsa case AGGR_THREAD: 161168d702f7SJiri Olsa case AGGR_UNSET: 161268d702f7SJiri Olsa default: 161368d702f7SJiri Olsa break; 161468d702f7SJiri Olsa } 161568d702f7SJiri Olsa 161668d702f7SJiri Olsa return 0; 161768d702f7SJiri Olsa } 161868d702f7SJiri Olsa 16192cba3ffbSIngo Molnar /* 16202cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 16212cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 16222cba3ffbSIngo Molnar */ 16232cba3ffbSIngo Molnar static int add_default_attributes(void) 16242cba3ffbSIngo Molnar { 162544b1e60aSAndi Kleen int err; 16269dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1627b070a547SArnaldo Carvalho de Melo 1628b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1629b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1630b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1631b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1632b070a547SArnaldo Carvalho de Melo 1633b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 16349dec4473SAndi Kleen }; 16359dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1636b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 16379dec4473SAndi Kleen }; 16389dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1639b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 16409dec4473SAndi Kleen }; 16419dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1642b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1643b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1644b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1645b070a547SArnaldo Carvalho de Melo 1646b070a547SArnaldo Carvalho de Melo }; 1647ac2dc29eSJin Yao struct perf_event_attr default_sw_attrs[] = { 1648ac2dc29eSJin Yao { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1649ac2dc29eSJin Yao { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1650ac2dc29eSJin Yao { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1651ac2dc29eSJin Yao { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1652ac2dc29eSJin Yao }; 1653b070a547SArnaldo Carvalho de Melo 1654b070a547SArnaldo Carvalho de Melo /* 1655b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1656b070a547SArnaldo Carvalho de Melo */ 1657b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1658b070a547SArnaldo Carvalho de Melo 1659b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1660b070a547SArnaldo Carvalho de Melo .config = 1661b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1662b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1663b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1664b070a547SArnaldo Carvalho de Melo 1665b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1666b070a547SArnaldo Carvalho de Melo .config = 1667b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1668b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1669b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1670b070a547SArnaldo Carvalho de Melo 1671b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1672b070a547SArnaldo Carvalho de Melo .config = 1673b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1674b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1675b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1676b070a547SArnaldo Carvalho de Melo 1677b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1678b070a547SArnaldo Carvalho de Melo .config = 1679b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1680b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1681b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1682b070a547SArnaldo Carvalho de Melo }; 1683b070a547SArnaldo Carvalho de Melo 1684b070a547SArnaldo Carvalho de Melo /* 1685b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1686b070a547SArnaldo Carvalho de Melo */ 1687b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1688b070a547SArnaldo Carvalho de Melo 1689b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1690b070a547SArnaldo Carvalho de Melo .config = 1691b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1692b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1693b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1694b070a547SArnaldo Carvalho de Melo 1695b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1696b070a547SArnaldo Carvalho de Melo .config = 1697b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1698b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1699b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1700b070a547SArnaldo Carvalho de Melo 1701b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1702b070a547SArnaldo Carvalho de Melo .config = 1703b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1704b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1705b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1706b070a547SArnaldo Carvalho de Melo 1707b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1708b070a547SArnaldo Carvalho de Melo .config = 1709b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1710b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1711b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1712b070a547SArnaldo Carvalho de Melo 1713b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1714b070a547SArnaldo Carvalho de Melo .config = 1715b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1716b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1717b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1718b070a547SArnaldo Carvalho de Melo 1719b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1720b070a547SArnaldo Carvalho de Melo .config = 1721b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1722b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1723b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1724b070a547SArnaldo Carvalho de Melo 1725b070a547SArnaldo Carvalho de Melo }; 1726b070a547SArnaldo Carvalho de Melo 1727b070a547SArnaldo Carvalho de Melo /* 1728b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1729b070a547SArnaldo Carvalho de Melo */ 1730b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1731b070a547SArnaldo Carvalho de Melo 1732b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1733b070a547SArnaldo Carvalho de Melo .config = 1734b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1735b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1736b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1737b070a547SArnaldo Carvalho de Melo 1738b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1739b070a547SArnaldo Carvalho de Melo .config = 1740b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1741b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1742b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1743b070a547SArnaldo Carvalho de Melo }; 1744a5cfa621SJiri Olsa struct parse_events_error errinfo; 1745b070a547SArnaldo Carvalho de Melo 17462cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 1747aea0dca1SJiri Olsa if (stat_config.null_run) 17482cba3ffbSIngo Molnar return 0; 17492cba3ffbSIngo Molnar 1750a910e466SIan Rogers bzero(&errinfo, sizeof(errinfo)); 17514cabc3d1SAndi Kleen if (transaction_run) { 1752742d92ffSThomas Richter /* Handle -T as -M transaction. Once platform specific metrics 17534d39c89fSIngo Molnar * support has been added to the json files, all architectures 1754742d92ffSThomas Richter * will use this approach. To determine transaction support 1755742d92ffSThomas Richter * on an architecture test for such a metric name. 1756742d92ffSThomas Richter */ 1757742d92ffSThomas Richter if (metricgroup__has_metric("transaction")) { 1758742d92ffSThomas Richter struct option opt = { .value = &evsel_list }; 1759742d92ffSThomas Richter 1760742d92ffSThomas Richter return metricgroup__parse_groups(&opt, "transaction", 176105530a79SIan Rogers stat_config.metric_no_group, 176205530a79SIan Rogers stat_config.metric_no_merge, 1763d0192fdbSJiri Olsa &stat_config.metric_events); 1764742d92ffSThomas Richter } 1765742d92ffSThomas Richter 17664cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 17674cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1768fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 1769fca32340SThomas Richter &errinfo); 17704cabc3d1SAndi Kleen else 1771fca32340SThomas Richter err = parse_events(evsel_list, 1772fca32340SThomas Richter transaction_limited_attrs, 1773fca32340SThomas Richter &errinfo); 1774a454742cSJiri Olsa if (err) { 17754cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 1776a5cfa621SJiri Olsa parse_events_print_error(&errinfo, transaction_attrs); 17774cabc3d1SAndi Kleen return -1; 17784cabc3d1SAndi Kleen } 17794cabc3d1SAndi Kleen return 0; 17804cabc3d1SAndi Kleen } 17814cabc3d1SAndi Kleen 1782daefd0bcSKan Liang if (smi_cost) { 1783daefd0bcSKan Liang int smi; 1784daefd0bcSKan Liang 1785daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 1786daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 1787daefd0bcSKan Liang return -1; 1788daefd0bcSKan Liang } 1789daefd0bcSKan Liang 1790daefd0bcSKan Liang if (!smi) { 1791daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 1792daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 1793daefd0bcSKan Liang return -1; 1794daefd0bcSKan Liang } 1795daefd0bcSKan Liang smi_reset = true; 1796daefd0bcSKan Liang } 1797daefd0bcSKan Liang 1798daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 1799daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 1800daefd0bcSKan Liang if (!force_metric_only) 18010ce5aa02SJiri Olsa stat_config.metric_only = true; 1802a5cfa621SJiri Olsa err = parse_events(evsel_list, smi_cost_attrs, &errinfo); 1803daefd0bcSKan Liang } else { 1804daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 1805daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 1806a5cfa621SJiri Olsa parse_events_print_error(&errinfo, smi_cost_attrs); 1807daefd0bcSKan Liang return -1; 1808daefd0bcSKan Liang } 1809daefd0bcSKan Liang if (err) { 1810a910e466SIan Rogers parse_events_print_error(&errinfo, smi_cost_attrs); 1811daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 1812daefd0bcSKan Liang return -1; 1813daefd0bcSKan Liang } 1814daefd0bcSKan Liang return 0; 1815daefd0bcSKan Liang } 1816daefd0bcSKan Liang 181744b1e60aSAndi Kleen if (topdown_run) { 181863e39aa6SKan Liang const char **metric_attrs = topdown_metric_attrs; 181963e39aa6SKan Liang unsigned int max_level = 1; 182044b1e60aSAndi Kleen char *str = NULL; 182144b1e60aSAndi Kleen bool warn = false; 182244b1e60aSAndi Kleen 182355c36a9fSAndi Kleen if (!force_metric_only) 182455c36a9fSAndi Kleen stat_config.metric_only = true; 182555c36a9fSAndi Kleen 182663e39aa6SKan Liang if (pmu_have_event("cpu", topdown_metric_L2_attrs[5])) { 182763e39aa6SKan Liang metric_attrs = topdown_metric_L2_attrs; 182863e39aa6SKan Liang max_level = 2; 182963e39aa6SKan Liang } 183063e39aa6SKan Liang 183163e39aa6SKan Liang if (stat_config.topdown_level > max_level) { 183263e39aa6SKan Liang pr_err("Invalid top-down metrics level. The max level is %u.\n", max_level); 183363e39aa6SKan Liang return -1; 183463e39aa6SKan Liang } else if (!stat_config.topdown_level) 183563e39aa6SKan Liang stat_config.topdown_level = max_level; 183663e39aa6SKan Liang 183763e39aa6SKan Liang if (topdown_filter_events(metric_attrs, &str, 1) < 0) { 183855c36a9fSAndi Kleen pr_err("Out of memory\n"); 183955c36a9fSAndi Kleen return -1; 184055c36a9fSAndi Kleen } 184163e39aa6SKan Liang if (metric_attrs[0] && str) { 184255c36a9fSAndi Kleen if (!stat_config.interval && !stat_config.metric_only) { 184355c36a9fSAndi Kleen fprintf(stat_config.output, 184455c36a9fSAndi Kleen "Topdown accuracy may decrease when measuring long periods.\n" 184555c36a9fSAndi Kleen "Please print the result regularly, e.g. -I1000\n"); 184655c36a9fSAndi Kleen } 184755c36a9fSAndi Kleen goto setup_metrics; 184855c36a9fSAndi Kleen } 184955c36a9fSAndi Kleen 185055c36a9fSAndi Kleen zfree(&str); 185155c36a9fSAndi Kleen 185244b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 185344b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 185444b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 185544b1e60aSAndi Kleen return -1; 185644b1e60aSAndi Kleen } 185744b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 185844b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 185944b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 186044b1e60aSAndi Kleen return -1; 186144b1e60aSAndi Kleen } 186244b1e60aSAndi Kleen 186344b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 186444b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 186544b1e60aSAndi Kleen pr_err("Out of memory\n"); 186644b1e60aSAndi Kleen return -1; 186744b1e60aSAndi Kleen } 186844b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 186944b1e60aSAndi Kleen if (warn) 187044b1e60aSAndi Kleen arch_topdown_group_warn(); 187155c36a9fSAndi Kleen setup_metrics: 1872a5cfa621SJiri Olsa err = parse_events(evsel_list, str, &errinfo); 187344b1e60aSAndi Kleen if (err) { 187444b1e60aSAndi Kleen fprintf(stderr, 187544b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 187644b1e60aSAndi Kleen str, err); 1877a5cfa621SJiri Olsa parse_events_print_error(&errinfo, str); 1878c74b0503SLeo Yan free(str); 187944b1e60aSAndi Kleen return -1; 188044b1e60aSAndi Kleen } 188144b1e60aSAndi Kleen } else { 188244b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 188344b1e60aSAndi Kleen return -1; 188444b1e60aSAndi Kleen } 188544b1e60aSAndi Kleen free(str); 188644b1e60aSAndi Kleen } 188744b1e60aSAndi Kleen 18886484d2f9SJiri Olsa if (!evsel_list->core.nr_entries) { 1889ac2dc29eSJin Yao if (perf_pmu__has_hybrid()) { 1890ac2dc29eSJin Yao const char *hybrid_str = "cycles,instructions,branches,branch-misses"; 1891ac2dc29eSJin Yao 1892ac2dc29eSJin Yao if (target__has_cpu(&target)) 1893ac2dc29eSJin Yao default_sw_attrs[0].config = PERF_COUNT_SW_CPU_CLOCK; 1894ac2dc29eSJin Yao 1895ac2dc29eSJin Yao if (evlist__add_default_attrs(evsel_list, 1896ac2dc29eSJin Yao default_sw_attrs) < 0) { 1897ac2dc29eSJin Yao return -1; 1898ac2dc29eSJin Yao } 1899ac2dc29eSJin Yao 1900ac2dc29eSJin Yao err = parse_events(evsel_list, hybrid_str, &errinfo); 1901ac2dc29eSJin Yao if (err) { 1902ac2dc29eSJin Yao fprintf(stderr, 1903ac2dc29eSJin Yao "Cannot set up hybrid events %s: %d\n", 1904ac2dc29eSJin Yao hybrid_str, err); 1905ac2dc29eSJin Yao parse_events_print_error(&errinfo, hybrid_str); 1906ac2dc29eSJin Yao return -1; 1907ac2dc29eSJin Yao } 1908ac2dc29eSJin Yao return err; 1909ac2dc29eSJin Yao } 1910ac2dc29eSJin Yao 1911a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 1912a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 1913a1f3d567SNamhyung Kim 1914e251abeeSArnaldo Carvalho de Melo if (evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 19159dec4473SAndi Kleen return -1; 19169dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 1917e251abeeSArnaldo Carvalho de Melo if (evlist__add_default_attrs(evsel_list, frontend_attrs) < 0) 19189dec4473SAndi Kleen return -1; 19199dec4473SAndi Kleen } 19209dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 1921e251abeeSArnaldo Carvalho de Melo if (evlist__add_default_attrs(evsel_list, backend_attrs) < 0) 19229dec4473SAndi Kleen return -1; 19239dec4473SAndi Kleen } 1924e251abeeSArnaldo Carvalho de Melo if (evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 19252cba3ffbSIngo Molnar return -1; 192642641d6fSKan Liang 192742641d6fSKan Liang if (arch_evlist__add_default_attrs(evsel_list) < 0) 192842641d6fSKan Liang return -1; 19292cba3ffbSIngo Molnar } 19302cba3ffbSIngo Molnar 19312cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 19322cba3ffbSIngo Molnar 19332cba3ffbSIngo Molnar if (detailed_run < 1) 19342cba3ffbSIngo Molnar return 0; 19352cba3ffbSIngo Molnar 19362cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 1937e251abeeSArnaldo Carvalho de Melo if (evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 19382cba3ffbSIngo Molnar return -1; 19392cba3ffbSIngo Molnar 19402cba3ffbSIngo Molnar if (detailed_run < 2) 19412cba3ffbSIngo Molnar return 0; 19422cba3ffbSIngo Molnar 19432cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 1944e251abeeSArnaldo Carvalho de Melo if (evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 19452cba3ffbSIngo Molnar return -1; 19462cba3ffbSIngo Molnar 19472cba3ffbSIngo Molnar if (detailed_run < 3) 19482cba3ffbSIngo Molnar return 0; 19492cba3ffbSIngo Molnar 19502cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 1951e251abeeSArnaldo Carvalho de Melo return evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 19522cba3ffbSIngo Molnar } 19532cba3ffbSIngo Molnar 19548a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 19554979d0c7SJiri Olsa "perf stat record [<options>]", 19564979d0c7SJiri Olsa NULL, 19574979d0c7SJiri Olsa }; 19584979d0c7SJiri Olsa 19593ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 19603ba78bd0SJiri Olsa { 19613ba78bd0SJiri Olsa int feat; 19623ba78bd0SJiri Olsa 19633ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 19643ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 19653ba78bd0SJiri Olsa 19668002a63fSJiri Olsa perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT); 19673ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 19683ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 19693ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 19703ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 19713ba78bd0SJiri Olsa } 19723ba78bd0SJiri Olsa 19734979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 19744979d0c7SJiri Olsa { 19754979d0c7SJiri Olsa struct perf_session *session; 19768ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 19774979d0c7SJiri Olsa 19788a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 19794979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 19804979d0c7SJiri Olsa 19814979d0c7SJiri Olsa if (output_name) 19822d4f2799SJiri Olsa data->path = output_name; 19834979d0c7SJiri Olsa 1984d97ae04bSJiri Olsa if (stat_config.run_count != 1 || forever) { 1985e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1986e9d6db8eSJiri Olsa return -1; 1987e9d6db8eSJiri Olsa } 1988e9d6db8eSJiri Olsa 19898ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 19906ef81c55SMamatha Inamdar if (IS_ERR(session)) { 19916ef81c55SMamatha Inamdar pr_err("Perf session creation failed\n"); 19926ef81c55SMamatha Inamdar return PTR_ERR(session); 19934979d0c7SJiri Olsa } 19944979d0c7SJiri Olsa 19953ba78bd0SJiri Olsa init_features(session); 19963ba78bd0SJiri Olsa 19974979d0c7SJiri Olsa session->evlist = evsel_list; 19984979d0c7SJiri Olsa perf_stat.session = session; 19994979d0c7SJiri Olsa perf_stat.record = true; 20004979d0c7SJiri Olsa return argc; 20014979d0c7SJiri Olsa } 20024979d0c7SJiri Olsa 200389f1688aSJiri Olsa static int process_stat_round_event(struct perf_session *session, 200489f1688aSJiri Olsa union perf_event *event) 2005a56f9390SJiri Olsa { 200672932371SJiri Olsa struct perf_record_stat_round *stat_round = &event->stat_round; 200732dcd021SJiri Olsa struct evsel *counter; 2008a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 2009a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 2010a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 2011a56f9390SJiri Olsa 2012e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 2013a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 2014a56f9390SJiri Olsa 2015e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 2016e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 2017a56f9390SJiri Olsa 2018e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 2019bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 2020bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 2021a56f9390SJiri Olsa ts = &tsh; 2022a56f9390SJiri Olsa } 2023a56f9390SJiri Olsa 2024a56f9390SJiri Olsa print_counters(ts, argc, argv); 2025a56f9390SJiri Olsa return 0; 2026a56f9390SJiri Olsa } 2027a56f9390SJiri Olsa 202862ba18baSJiri Olsa static 202989f1688aSJiri Olsa int process_stat_config_event(struct perf_session *session, 203089f1688aSJiri Olsa union perf_event *event) 203162ba18baSJiri Olsa { 203289f1688aSJiri Olsa struct perf_tool *tool = session->tool; 203368d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 203468d702f7SJiri Olsa 203562ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 203668d702f7SJiri Olsa 2037315c0a1fSJiri Olsa if (perf_cpu_map__empty(st->cpus)) { 203889af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 203989af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 204089af4e05SJiri Olsa return 0; 204189af4e05SJiri Olsa } 204289af4e05SJiri Olsa 204389af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 204489af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 204589af4e05SJiri Olsa 20468ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 204768d702f7SJiri Olsa perf_stat_init_aggr_mode(); 204868d702f7SJiri Olsa else 204968d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 205068d702f7SJiri Olsa 205162ba18baSJiri Olsa return 0; 205262ba18baSJiri Olsa } 205362ba18baSJiri Olsa 20541975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 20551975d36eSJiri Olsa { 20561975d36eSJiri Olsa if (!st->cpus || !st->threads) 20571975d36eSJiri Olsa return 0; 20581975d36eSJiri Olsa 20591975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 20601975d36eSJiri Olsa return -EINVAL; 20611975d36eSJiri Olsa 2062453fa030SJiri Olsa perf_evlist__set_maps(&evsel_list->core, st->cpus, st->threads); 20631975d36eSJiri Olsa 206453f5e908SArnaldo Carvalho de Melo if (evlist__alloc_stats(evsel_list, true)) 20651975d36eSJiri Olsa return -ENOMEM; 20661975d36eSJiri Olsa 20671975d36eSJiri Olsa st->maps_allocated = true; 20681975d36eSJiri Olsa return 0; 20691975d36eSJiri Olsa } 20701975d36eSJiri Olsa 20711975d36eSJiri Olsa static 207289f1688aSJiri Olsa int process_thread_map_event(struct perf_session *session, 207389f1688aSJiri Olsa union perf_event *event) 20741975d36eSJiri Olsa { 207589f1688aSJiri Olsa struct perf_tool *tool = session->tool; 20761975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 20771975d36eSJiri Olsa 20781975d36eSJiri Olsa if (st->threads) { 20791975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 20801975d36eSJiri Olsa return 0; 20811975d36eSJiri Olsa } 20821975d36eSJiri Olsa 20831975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 20841975d36eSJiri Olsa if (!st->threads) 20851975d36eSJiri Olsa return -ENOMEM; 20861975d36eSJiri Olsa 20871975d36eSJiri Olsa return set_maps(st); 20881975d36eSJiri Olsa } 20891975d36eSJiri Olsa 20901975d36eSJiri Olsa static 209189f1688aSJiri Olsa int process_cpu_map_event(struct perf_session *session, 209289f1688aSJiri Olsa union perf_event *event) 20931975d36eSJiri Olsa { 209489f1688aSJiri Olsa struct perf_tool *tool = session->tool; 20951975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 2096f854839bSJiri Olsa struct perf_cpu_map *cpus; 20971975d36eSJiri Olsa 20981975d36eSJiri Olsa if (st->cpus) { 20991975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 21001975d36eSJiri Olsa return 0; 21011975d36eSJiri Olsa } 21021975d36eSJiri Olsa 21031975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 21041975d36eSJiri Olsa if (!cpus) 21051975d36eSJiri Olsa return -ENOMEM; 21061975d36eSJiri Olsa 21071975d36eSJiri Olsa st->cpus = cpus; 21081975d36eSJiri Olsa return set_maps(st); 21091975d36eSJiri Olsa } 21101975d36eSJiri Olsa 21118a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 2112ba6039b6SJiri Olsa "perf stat report [<options>]", 2113ba6039b6SJiri Olsa NULL, 2114ba6039b6SJiri Olsa }; 2115ba6039b6SJiri Olsa 2116ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 2117ba6039b6SJiri Olsa .tool = { 2118ba6039b6SJiri Olsa .attr = perf_event__process_attr, 2119fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 21201975d36eSJiri Olsa .thread_map = process_thread_map_event, 21211975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 212262ba18baSJiri Olsa .stat_config = process_stat_config_event, 2123a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 2124a56f9390SJiri Olsa .stat_round = process_stat_round_event, 2125ba6039b6SJiri Olsa }, 212689af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 2127ba6039b6SJiri Olsa }; 2128ba6039b6SJiri Olsa 2129ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 2130ba6039b6SJiri Olsa { 2131ba6039b6SJiri Olsa struct perf_session *session; 2132ba6039b6SJiri Olsa const struct option options[] = { 2133ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 213489af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 213589af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 2136db5742b6SKan Liang OPT_SET_UINT(0, "per-die", &perf_stat.aggr_mode, 2137db5742b6SKan Liang "aggregate counts per processor die", AGGR_DIE), 213889af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 213989af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 214086895b48SJiri Olsa OPT_SET_UINT(0, "per-node", &perf_stat.aggr_mode, 214186895b48SJiri Olsa "aggregate counts per numa node", AGGR_NODE), 214289af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 214389af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2144ba6039b6SJiri Olsa OPT_END() 2145ba6039b6SJiri Olsa }; 2146ba6039b6SJiri Olsa struct stat st; 2147ba6039b6SJiri Olsa int ret; 2148ba6039b6SJiri Olsa 21498a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 2150ba6039b6SJiri Olsa 2151ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 2152ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 2153ba6039b6SJiri Olsa input_name = "-"; 2154ba6039b6SJiri Olsa else 2155ba6039b6SJiri Olsa input_name = "perf.data"; 2156ba6039b6SJiri Olsa } 2157ba6039b6SJiri Olsa 21582d4f2799SJiri Olsa perf_stat.data.path = input_name; 21598ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 2160ba6039b6SJiri Olsa 21618ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 21626ef81c55SMamatha Inamdar if (IS_ERR(session)) 21636ef81c55SMamatha Inamdar return PTR_ERR(session); 2164ba6039b6SJiri Olsa 2165ba6039b6SJiri Olsa perf_stat.session = session; 2166ba6039b6SJiri Olsa stat_config.output = stderr; 2167ba6039b6SJiri Olsa evsel_list = session->evlist; 2168ba6039b6SJiri Olsa 2169ba6039b6SJiri Olsa ret = perf_session__process_events(session); 2170ba6039b6SJiri Olsa if (ret) 2171ba6039b6SJiri Olsa return ret; 2172ba6039b6SJiri Olsa 2173ba6039b6SJiri Olsa perf_session__delete(session); 2174ba6039b6SJiri Olsa return 0; 2175ba6039b6SJiri Olsa } 2176ba6039b6SJiri Olsa 2177e3ba76deSJiri Olsa static void setup_system_wide(int forks) 2178e3ba76deSJiri Olsa { 2179e3ba76deSJiri Olsa /* 2180e3ba76deSJiri Olsa * Make system wide (-a) the default target if 2181e3ba76deSJiri Olsa * no target was specified and one of following 2182e3ba76deSJiri Olsa * conditions is met: 2183e3ba76deSJiri Olsa * 2184e3ba76deSJiri Olsa * - there's no workload specified 2185e3ba76deSJiri Olsa * - there is workload specified but all requested 2186e3ba76deSJiri Olsa * events are system wide events 2187e3ba76deSJiri Olsa */ 2188e3ba76deSJiri Olsa if (!target__none(&target)) 2189e3ba76deSJiri Olsa return; 2190e3ba76deSJiri Olsa 2191e3ba76deSJiri Olsa if (!forks) 2192e3ba76deSJiri Olsa target.system_wide = true; 2193e3ba76deSJiri Olsa else { 219432dcd021SJiri Olsa struct evsel *counter; 2195e3ba76deSJiri Olsa 2196e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 2197002a3d69SJin Yao if (!counter->core.system_wide && 2198002a3d69SJin Yao strcmp(counter->name, "duration_time")) { 2199e3ba76deSJiri Olsa return; 2200e3ba76deSJiri Olsa } 2201002a3d69SJin Yao } 2202e3ba76deSJiri Olsa 22036484d2f9SJiri Olsa if (evsel_list->core.nr_entries) 2204e3ba76deSJiri Olsa target.system_wide = true; 2205e3ba76deSJiri Olsa } 2206e3ba76deSJiri Olsa } 2207e3ba76deSJiri Olsa 2208b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 220986470930SIngo Molnar { 2210b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 2211b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 2212b070a547SArnaldo Carvalho de Melo NULL 2213b070a547SArnaldo Carvalho de Melo }; 2214fa853c4bSSong Liu int status = -EINVAL, run_idx, err; 22154aa9015fSStephane Eranian const char *mode; 22165821522eSJiri Olsa FILE *output = stderr; 2217f1f8ad52Syuzhoujian unsigned int interval, timeout; 2218ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 2219fa853c4bSSong Liu char errbuf[BUFSIZ]; 222042202dd5SIngo Molnar 22215af52b51SStephane Eranian setlocale(LC_ALL, ""); 22225af52b51SStephane Eranian 22230f98b11cSJiri Olsa evsel_list = evlist__new(); 2224361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 2225361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 2226361c99a6SArnaldo Carvalho de Melo 22271669e509SWang Nan parse_events__shrink_config_terms(); 222851433eadSMichael Petlan 222951433eadSMichael Petlan /* String-parsing callback-based options would segfault when negated */ 223051433eadSMichael Petlan set_option_flag(stat_options, 'e', "event", PARSE_OPT_NONEG); 223151433eadSMichael Petlan set_option_flag(stat_options, 'M', "metrics", PARSE_OPT_NONEG); 223251433eadSMichael Petlan set_option_flag(stat_options, 'G', "cgroup", PARSE_OPT_NONEG); 223351433eadSMichael Petlan 22344979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 22354979d0c7SJiri Olsa (const char **) stat_usage, 2236a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 223737932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 2238fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 2239d7470b6aSStephane Eranian 2240fa7070a3SJiri Olsa if (stat_config.csv_sep) { 2241fa7070a3SJiri Olsa stat_config.csv_output = true; 2242fa7070a3SJiri Olsa if (!strcmp(stat_config.csv_sep, "\\t")) 2243fa7070a3SJiri Olsa stat_config.csv_sep = "\t"; 22446edb78a2SJiri Olsa } else 2245fa7070a3SJiri Olsa stat_config.csv_sep = DEFAULT_SEPARATOR; 22466edb78a2SJiri Olsa 22474979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 22484979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 22494979d0c7SJiri Olsa if (argc < 0) 22504979d0c7SJiri Olsa return -1; 2251ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 2252ba6039b6SJiri Olsa return __cmd_report(argc, argv); 22534979d0c7SJiri Olsa 2254ec0d3d1fSJiri Olsa interval = stat_config.interval; 2255f1f8ad52Syuzhoujian timeout = stat_config.timeout; 2256ec0d3d1fSJiri Olsa 22574979d0c7SJiri Olsa /* 22584979d0c7SJiri Olsa * For record command the -o is already taken care of. 22594979d0c7SJiri Olsa */ 22604979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 22614aa9015fSStephane Eranian output = NULL; 22624aa9015fSStephane Eranian 226356f3bae7SJim Cromie if (output_name && output_fd) { 226456f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 2265e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 2266e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 2267cc03c542SNamhyung Kim goto out; 226856f3bae7SJim Cromie } 2269fc3e4d07SStephane Eranian 22700ce5aa02SJiri Olsa if (stat_config.metric_only && stat_config.aggr_mode == AGGR_THREAD) { 227154b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 227254b50916SAndi Kleen goto out; 227354b50916SAndi Kleen } 227454b50916SAndi Kleen 2275d97ae04bSJiri Olsa if (stat_config.metric_only && stat_config.run_count > 1) { 227654b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 227754b50916SAndi Kleen goto out; 227854b50916SAndi Kleen } 227954b50916SAndi Kleen 228054ac0b1bSJiri Olsa if (stat_config.walltime_run_table && stat_config.run_count <= 1) { 2281e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 2282e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2283e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 2284e55c14afSJiri Olsa goto out; 2285e55c14afSJiri Olsa } 2286e55c14afSJiri Olsa 2287fc3e4d07SStephane Eranian if (output_fd < 0) { 2288fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 2289e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 2290cc03c542SNamhyung Kim goto out; 2291fc3e4d07SStephane Eranian } 2292fc3e4d07SStephane Eranian 229355a4de94SAndi Kleen if (!output && !stat_config.quiet) { 22944aa9015fSStephane Eranian struct timespec tm; 22954aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 22964aa9015fSStephane Eranian 22974aa9015fSStephane Eranian output = fopen(output_name, mode); 22984aa9015fSStephane Eranian if (!output) { 22994aa9015fSStephane Eranian perror("failed to create output file"); 2300fceda7feSDavid Ahern return -1; 23014aa9015fSStephane Eranian } 23024aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 23034aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2304fc3e4d07SStephane Eranian } else if (output_fd > 0) { 230556f3bae7SJim Cromie mode = append_file ? "a" : "w"; 230656f3bae7SJim Cromie output = fdopen(output_fd, mode); 230756f3bae7SJim Cromie if (!output) { 230856f3bae7SJim Cromie perror("Failed opening logfd"); 230956f3bae7SJim Cromie return -errno; 231056f3bae7SJim Cromie } 23114aa9015fSStephane Eranian } 23124aa9015fSStephane Eranian 23135821522eSJiri Olsa stat_config.output = output; 23145821522eSJiri Olsa 2315d7470b6aSStephane Eranian /* 2316d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2317d7470b6aSStephane Eranian */ 2318fa7070a3SJiri Olsa if (stat_config.csv_output) { 231961a9f324SJim Cromie /* User explicitly passed -B? */ 2320d7470b6aSStephane Eranian if (big_num_opt == 1) { 2321d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2322e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2323e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2324cc03c542SNamhyung Kim goto out; 2325d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 232634ff0866SJiri Olsa stat_config.big_num = false; 2327d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 232834ff0866SJiri Olsa stat_config.big_num = false; 2329d7470b6aSStephane Eranian 2330fa853c4bSSong Liu err = target__validate(&target); 2331fa853c4bSSong Liu if (err) { 2332fa853c4bSSong Liu target__strerror(&target, err, errbuf, BUFSIZ); 2333fa853c4bSSong Liu pr_warning("%s\n", errbuf); 2334fa853c4bSSong Liu } 2335fa853c4bSSong Liu 2336e3ba76deSJiri Olsa setup_system_wide(argc); 2337ac3063bdSDavid Ahern 23380ce2da14SJiri Olsa /* 23390ce2da14SJiri Olsa * Display user/system times only for single 23400ce2da14SJiri Olsa * run and when there's specified tracee. 23410ce2da14SJiri Olsa */ 2342d97ae04bSJiri Olsa if ((stat_config.run_count == 1) && target__none(&target)) 23438897a891SJiri Olsa stat_config.ru_display = true; 23440ce2da14SJiri Olsa 2345d97ae04bSJiri Olsa if (stat_config.run_count < 0) { 2346cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2347e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2348cc03c542SNamhyung Kim goto out; 2349d97ae04bSJiri Olsa } else if (stat_config.run_count == 0) { 2350a7e191c3SFrederik Deweerdt forever = true; 2351d97ae04bSJiri Olsa stat_config.run_count = 1; 2352a7e191c3SFrederik Deweerdt } 235386470930SIngo Molnar 235454ac0b1bSJiri Olsa if (stat_config.walltime_run_table) { 235554ac0b1bSJiri Olsa stat_config.walltime_run = zalloc(stat_config.run_count * sizeof(stat_config.walltime_run[0])); 235654ac0b1bSJiri Olsa if (!stat_config.walltime_run) { 2357e55c14afSJiri Olsa pr_err("failed to setup -r option"); 2358e55c14afSJiri Olsa goto out; 2359e55c14afSJiri Olsa } 2360e55c14afSJiri Olsa } 2361e55c14afSJiri Olsa 23621d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 23631d9f8d1bSJin Yao !target__has_task(&target)) { 23641d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 23651d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 23661d9f8d1bSJin Yao "available when monitoring via -p -t -a " 23671d9f8d1bSJin Yao "options or only --per-thread.\n"); 2368e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 2369e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 237032b8af82SJiri Olsa goto out; 237132b8af82SJiri Olsa } 23721d9f8d1bSJin Yao } 237332b8af82SJiri Olsa 237432b8af82SJiri Olsa /* 237532b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 237632b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 237732b8af82SJiri Olsa */ 2378421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 2379421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 2380602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 2381023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 2382023695d9SStephane Eranian "modes only available in system-wide mode\n"); 2383023695d9SStephane Eranian 2384e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 2385e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 2386e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2387cc03c542SNamhyung Kim goto out; 2388d7e7a451SStephane Eranian } 2389d7e7a451SStephane Eranian 2390f07952b1SAlexander Antonov if (stat_config.iostat_run) { 2391f07952b1SAlexander Antonov status = iostat_prepare(evsel_list, &stat_config); 2392f07952b1SAlexander Antonov if (status) 2393f07952b1SAlexander Antonov goto out; 2394f07952b1SAlexander Antonov if (iostat_mode == IOSTAT_LIST) { 2395f07952b1SAlexander Antonov iostat_list(evsel_list, &stat_config); 2396f07952b1SAlexander Antonov goto out; 2397f07952b1SAlexander Antonov } else if (verbose) 2398f07952b1SAlexander Antonov iostat_list(evsel_list, &stat_config); 2399f07952b1SAlexander Antonov } 2400f07952b1SAlexander Antonov 24012cba3ffbSIngo Molnar if (add_default_attributes()) 2402c6264defSIngo Molnar goto out; 240386470930SIngo Molnar 2404d1c5a0e8SNamhyung Kim if (stat_config.cgroup_list) { 2405d1c5a0e8SNamhyung Kim if (nr_cgroups > 0) { 2406d1c5a0e8SNamhyung Kim pr_err("--cgroup and --for-each-cgroup cannot be used together\n"); 2407d1c5a0e8SNamhyung Kim parse_options_usage(stat_usage, stat_options, "G", 1); 2408d1c5a0e8SNamhyung Kim parse_options_usage(NULL, stat_options, "for-each-cgroup", 0); 2409d1c5a0e8SNamhyung Kim goto out; 2410d1c5a0e8SNamhyung Kim } 2411d1c5a0e8SNamhyung Kim 2412b214ba8cSNamhyung Kim if (evlist__expand_cgroup(evsel_list, stat_config.cgroup_list, 2413bb1c15b6SNamhyung Kim &stat_config.metric_events, true) < 0) { 2414bb1c15b6SNamhyung Kim parse_options_usage(stat_usage, stat_options, 2415bb1c15b6SNamhyung Kim "for-each-cgroup", 0); 2416d1c5a0e8SNamhyung Kim goto out; 2417d1c5a0e8SNamhyung Kim } 2418bb1c15b6SNamhyung Kim } 2419d1c5a0e8SNamhyung Kim 24201d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 24211d9f8d1bSJin Yao target.per_thread = true; 24221d9f8d1bSJin Yao 24237748bb71SArnaldo Carvalho de Melo if (evlist__create_maps(evsel_list, &target) < 0) { 2424602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 24255c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 2426e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 2427e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 2428602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 242960d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 2430e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 2431e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2432cc03c542SNamhyung Kim } 2433cc03c542SNamhyung Kim goto out; 243460d567e2SArnaldo Carvalho de Melo } 243532b8af82SJiri Olsa 2436a9a17902SJiri Olsa evlist__check_cpu_maps(evsel_list); 2437a9a17902SJiri Olsa 243812279429SJin Yao if (perf_pmu__has_hybrid()) 243912279429SJin Yao stat_config.no_merge = true; 244012279429SJin Yao 244132b8af82SJiri Olsa /* 244232b8af82SJiri Olsa * Initialize thread_map with comm names, 244332b8af82SJiri Olsa * so we could print it out on output. 244432b8af82SJiri Olsa */ 244556739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 244603617c22SJiri Olsa thread_map__read_comms(evsel_list->core.threads); 244756739444SJin Yao if (target.system_wide) { 244856739444SJin Yao if (runtime_stat_new(&stat_config, 2449a2f354e3SJiri Olsa perf_thread_map__nr(evsel_list->core.threads))) { 245056739444SJin Yao goto out; 245156739444SJin Yao } 245256739444SJin Yao } 245356739444SJin Yao } 245432b8af82SJiri Olsa 245586895b48SJiri Olsa if (stat_config.aggr_mode == AGGR_NODE) 245686895b48SJiri Olsa cpu__setup_cpunode_map(); 245786895b48SJiri Olsa 2458db06a269Syuzhoujian if (stat_config.times && interval) 2459db06a269Syuzhoujian interval_count = true; 2460db06a269Syuzhoujian else if (stat_config.times && !interval) { 2461db06a269Syuzhoujian pr_err("interval-count option should be used together with " 2462db06a269Syuzhoujian "interval-print.\n"); 2463db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 2464db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 2465db06a269Syuzhoujian goto out; 2466db06a269Syuzhoujian } 2467c45c6ea2SStephane Eranian 2468f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 2469f1f8ad52Syuzhoujian if (timeout < 10) { 2470f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 2471f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 2472f1f8ad52Syuzhoujian goto out; 2473f1f8ad52Syuzhoujian } else 2474f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 2475f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 2476f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 2477f1f8ad52Syuzhoujian } 2478f1f8ad52Syuzhoujian if (timeout && interval) { 2479f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 2480f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 2481f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 2482f1f8ad52Syuzhoujian goto out; 2483f1f8ad52Syuzhoujian } 2484f1f8ad52Syuzhoujian 248553f5e908SArnaldo Carvalho de Melo if (evlist__alloc_stats(evsel_list, interval)) 248603ad9747SArnaldo Carvalho de Melo goto out; 2487d6d901c2SZhang, Yanmin 248886ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 248903ad9747SArnaldo Carvalho de Melo goto out; 249086ee6e18SStephane Eranian 249186470930SIngo Molnar /* 24927d9ad16aSJiri Olsa * Set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 24937d9ad16aSJiri Olsa * while avoiding that older tools show confusing messages. 24947d9ad16aSJiri Olsa * 24957d9ad16aSJiri Olsa * However for pipe sessions we need to keep it zero, 24967d9ad16aSJiri Olsa * because script's perf_evsel__check_attr is triggered 24977d9ad16aSJiri Olsa * by attr->sample_type != 0, and we can't run it on 24987d9ad16aSJiri Olsa * stat sessions. 24997d9ad16aSJiri Olsa */ 25007d9ad16aSJiri Olsa stat_config.identifier = !(STAT_RECORD && perf_stat.data.is_pipe); 25017d9ad16aSJiri Olsa 25027d9ad16aSJiri Olsa /* 250386470930SIngo Molnar * We dont want to block the signals - that would cause 250486470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 250586470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 250686470930SIngo Molnar * task, but being ignored by perf stat itself: 250786470930SIngo Molnar */ 2508f7b7c26eSPeter Zijlstra atexit(sig_atexit); 2509a7e191c3SFrederik Deweerdt if (!forever) 251086470930SIngo Molnar signal(SIGINT, skip_signal); 251113370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 251286470930SIngo Molnar signal(SIGALRM, skip_signal); 251386470930SIngo Molnar signal(SIGABRT, skip_signal); 251486470930SIngo Molnar 251527e9769aSAlexey Budankov if (evlist__initialize_ctlfd(evsel_list, stat_config.ctl_fd, stat_config.ctl_fd_ack)) 251627e9769aSAlexey Budankov goto out; 251727e9769aSAlexey Budankov 251842202dd5SIngo Molnar status = 0; 2519d97ae04bSJiri Olsa for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) { 2520d97ae04bSJiri Olsa if (stat_config.run_count != 1 && verbose > 0) 25214aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 25224aa9015fSStephane Eranian run_idx + 1); 2523f9cef0a9SIngo Molnar 2524b63fd11cSSrikar Dronamraju if (run_idx != 0) 252553f5e908SArnaldo Carvalho de Melo evlist__reset_prev_raw_counts(evsel_list); 2526b63fd11cSSrikar Dronamraju 2527e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 2528443f2d5bSSrikar Dronamraju if (forever && status != -1 && !interval) { 2529d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2530254ecbc7SJiri Olsa perf_stat__reset_stats(); 2531a7e191c3SFrederik Deweerdt } 253242202dd5SIngo Molnar } 253342202dd5SIngo Molnar 2534c7e5b328SJin Yao if (!forever && status != -1 && (!interval || stat_config.summary)) 2535d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2536d134ffb9SArnaldo Carvalho de Melo 253727e9769aSAlexey Budankov evlist__finalize_ctlfd(evsel_list); 253827e9769aSAlexey Budankov 25394979d0c7SJiri Olsa if (STAT_RECORD) { 25404979d0c7SJiri Olsa /* 25414979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 25424979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 25434d39c89fSIngo Molnar * due to /proc/sys/kernel/kptr_restrict settings and instead provide 25444979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 25454979d0c7SJiri Olsa * 25464979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 25478b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 25488b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 25498b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 25508b99b1a4SJiri Olsa * tools remain -acme 25514979d0c7SJiri Olsa */ 25528ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 2553fa853c4bSSong Liu 2554fa853c4bSSong Liu err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 25554979d0c7SJiri Olsa process_synthesized_event, 25564979d0c7SJiri Olsa &perf_stat.session->machines.host); 25574979d0c7SJiri Olsa if (err) { 25584979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 25594979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 25604979d0c7SJiri Olsa } 25614979d0c7SJiri Olsa 25627aad0c32SJiri Olsa if (!interval) { 25637aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 25647aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 25657aad0c32SJiri Olsa } 25667aad0c32SJiri Olsa 25678ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 25684979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 25694979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2570664c98d4SJiri Olsa } 25714979d0c7SJiri Olsa 2572750b4edeSJiri Olsa evlist__close(evsel_list); 25734979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 25744979d0c7SJiri Olsa } 25754979d0c7SJiri Olsa 2576544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 257753f5e908SArnaldo Carvalho de Melo evlist__free_stats(evsel_list); 25780015e2e1SArnaldo Carvalho de Melo out: 2579f07952b1SAlexander Antonov if (stat_config.iostat_run) 2580f07952b1SAlexander Antonov iostat_release(evsel_list); 2581f07952b1SAlexander Antonov 2582d8f9da24SArnaldo Carvalho de Melo zfree(&stat_config.walltime_run); 2583e55c14afSJiri Olsa 2584daefd0bcSKan Liang if (smi_cost && smi_reset) 2585daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2586daefd0bcSKan Liang 2587c12995a5SJiri Olsa evlist__delete(evsel_list); 258856739444SJin Yao 25899afe5658SJiri Olsa metricgroup__rblist_exit(&stat_config.metric_events); 259056739444SJin Yao runtime_stat_delete(&stat_config); 2591ee7fe31eSAdrian Hunter evlist__close_control(stat_config.ctl_fd, stat_config.ctl_fd_ack, &stat_config.ctl_fd_close); 259256739444SJin Yao 259342202dd5SIngo Molnar return status; 259486470930SIngo Molnar } 2595