186470930SIngo Molnar /* 286470930SIngo Molnar * builtin-stat.c 386470930SIngo Molnar * 486470930SIngo Molnar * Builtin stat command: Give a precise performance counters summary 586470930SIngo Molnar * overview about any workload, CPU or specific PID. 686470930SIngo Molnar * 786470930SIngo Molnar * Sample output: 886470930SIngo Molnar 92cba3ffbSIngo Molnar $ perf stat ./hackbench 10 1086470930SIngo Molnar 112cba3ffbSIngo Molnar Time: 0.118 1286470930SIngo Molnar 132cba3ffbSIngo Molnar Performance counter stats for './hackbench 10': 1486470930SIngo Molnar 152cba3ffbSIngo Molnar 1708.761321 task-clock # 11.037 CPUs utilized 162cba3ffbSIngo Molnar 41,190 context-switches # 0.024 M/sec 172cba3ffbSIngo Molnar 6,735 CPU-migrations # 0.004 M/sec 182cba3ffbSIngo Molnar 17,318 page-faults # 0.010 M/sec 192cba3ffbSIngo Molnar 5,205,202,243 cycles # 3.046 GHz 202cba3ffbSIngo Molnar 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle 212cba3ffbSIngo Molnar 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle 222cba3ffbSIngo Molnar 2,603,501,247 instructions # 0.50 insns per cycle 232cba3ffbSIngo Molnar # 1.48 stalled cycles per insn 242cba3ffbSIngo Molnar 484,357,498 branches # 283.455 M/sec 252cba3ffbSIngo Molnar 6,388,934 branch-misses # 1.32% of all branches 262cba3ffbSIngo Molnar 272cba3ffbSIngo Molnar 0.154822978 seconds time elapsed 2886470930SIngo Molnar 2986470930SIngo Molnar * 302cba3ffbSIngo Molnar * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> 3186470930SIngo Molnar * 3286470930SIngo Molnar * Improvements and fixes by: 3386470930SIngo Molnar * 3486470930SIngo Molnar * Arjan van de Ven <arjan@linux.intel.com> 3586470930SIngo Molnar * Yanmin Zhang <yanmin.zhang@intel.com> 3686470930SIngo Molnar * Wu Fengguang <fengguang.wu@intel.com> 3786470930SIngo Molnar * Mike Galbraith <efault@gmx.de> 3886470930SIngo Molnar * Paul Mackerras <paulus@samba.org> 396e750a8fSJaswinder Singh Rajput * Jaswinder Singh Rajput <jaswinder@kernel.org> 4086470930SIngo Molnar * 4186470930SIngo Molnar * Released under the GPL v2. (and only v2, not any later version) 4286470930SIngo Molnar */ 4386470930SIngo Molnar 4486470930SIngo Molnar #include "perf.h" 4586470930SIngo Molnar #include "builtin.h" 46f14d5707SArnaldo Carvalho de Melo #include "util/cgroup.h" 4786470930SIngo Molnar #include "util/util.h" 484b6ab94eSJosh Poimboeuf #include <subcmd/parse-options.h> 4986470930SIngo Molnar #include "util/parse-events.h" 504cabc3d1SAndi Kleen #include "util/pmu.h" 518f28827aSFrederic Weisbecker #include "util/event.h" 52361c99a6SArnaldo Carvalho de Melo #include "util/evlist.h" 5369aad6f1SArnaldo Carvalho de Melo #include "util/evsel.h" 548f28827aSFrederic Weisbecker #include "util/debug.h" 555d8bb1ecSMathieu Poirier #include "util/drv_configs.h" 56a5d243d0SIngo Molnar #include "util/color.h" 570007eceaSXiao Guangrong #include "util/stat.h" 5860666c63SLiming Wang #include "util/header.h" 59a12b51c4SPaul Mackerras #include "util/cpumap.h" 60d6d901c2SZhang, Yanmin #include "util/thread.h" 61fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 62d809560bSJiri Olsa #include "util/counts.h" 6344b1e60aSAndi Kleen #include "util/group.h" 644979d0c7SJiri Olsa #include "util/session.h" 65ba6039b6SJiri Olsa #include "util/tool.h" 66a067558eSArnaldo Carvalho de Melo #include "util/string2.h" 67b18f3e36SAndi Kleen #include "util/metricgroup.h" 689660e08eSJiri Olsa #include "util/top.h" 69ba6039b6SJiri Olsa #include "asm/bug.h" 7086470930SIngo Molnar 71bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 7244b1e60aSAndi Kleen #include <api/fs/fs.h> 73a43783aeSArnaldo Carvalho de Melo #include <errno.h> 749607ad3aSArnaldo Carvalho de Melo #include <signal.h> 751f16c575SPeter Zijlstra #include <stdlib.h> 7686470930SIngo Molnar #include <sys/prctl.h> 77fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 785af52b51SStephane Eranian #include <locale.h> 79e3b03b6cSAndi Kleen #include <math.h> 807a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 817a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 824208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 837a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 840ce2da14SJiri Olsa #include <sys/time.h> 850ce2da14SJiri Olsa #include <sys/resource.h> 860ce2da14SJiri Olsa #include <sys/wait.h> 8786470930SIngo Molnar 883d689ed6SArnaldo Carvalho de Melo #include "sane_ctype.h" 893d689ed6SArnaldo Carvalho de Melo 90d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 912cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 922cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 93daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 94d7470b6aSStephane Eranian 95d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9613370a9bSStephane Eranian 974cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 98a454742cSJiri Olsa static const char *transaction_attrs = { 99a454742cSJiri Olsa "task-clock," 1004cabc3d1SAndi Kleen "{" 1014cabc3d1SAndi Kleen "instructions," 1024cabc3d1SAndi Kleen "cycles," 1034cabc3d1SAndi Kleen "cpu/cycles-t/," 1044cabc3d1SAndi Kleen "cpu/tx-start/," 1054cabc3d1SAndi Kleen "cpu/el-start/," 1064cabc3d1SAndi Kleen "cpu/cycles-ct/" 1074cabc3d1SAndi Kleen "}" 1084cabc3d1SAndi Kleen }; 1094cabc3d1SAndi Kleen 1104cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 111a454742cSJiri Olsa static const char * transaction_limited_attrs = { 112a454742cSJiri Olsa "task-clock," 1134cabc3d1SAndi Kleen "{" 1144cabc3d1SAndi Kleen "instructions," 1154cabc3d1SAndi Kleen "cycles," 1164cabc3d1SAndi Kleen "cpu/cycles-t/," 1174cabc3d1SAndi Kleen "cpu/tx-start/" 1184cabc3d1SAndi Kleen "}" 1194cabc3d1SAndi Kleen }; 1204cabc3d1SAndi Kleen 12144b1e60aSAndi Kleen static const char * topdown_attrs[] = { 12244b1e60aSAndi Kleen "topdown-total-slots", 12344b1e60aSAndi Kleen "topdown-slots-retired", 12444b1e60aSAndi Kleen "topdown-recovery-bubbles", 12544b1e60aSAndi Kleen "topdown-fetch-bubbles", 12644b1e60aSAndi Kleen "topdown-slots-issued", 12744b1e60aSAndi Kleen NULL, 12844b1e60aSAndi Kleen }; 12944b1e60aSAndi Kleen 130daefd0bcSKan Liang static const char *smi_cost_attrs = { 131daefd0bcSKan Liang "{" 132daefd0bcSKan Liang "msr/aperf/," 133daefd0bcSKan Liang "msr/smi/," 134daefd0bcSKan Liang "cycles" 135daefd0bcSKan Liang "}" 136daefd0bcSKan Liang }; 137daefd0bcSKan Liang 138666e6d48SRobert Richter static struct perf_evlist *evsel_list; 139361c99a6SArnaldo Carvalho de Melo 140b18f3e36SAndi Kleen static struct rblist metric_events; 141b18f3e36SAndi Kleen 142602ad878SArnaldo Carvalho de Melo static struct target target = { 14377a6f014SNamhyung Kim .uid = UINT_MAX, 14477a6f014SNamhyung Kim }; 14542202dd5SIngo Molnar 1461e5a2931SJiri Olsa typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); 1471e5a2931SJiri Olsa 1483d632595SJaswinder Singh Rajput static int run_count = 1; 1492e6cdf99SStephane Eranian static bool no_inherit = false; 150d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 151c0555642SIan Munsie static bool null_run = false; 1522cba3ffbSIngo Molnar static int detailed_run = 0; 1534cabc3d1SAndi Kleen static bool transaction_run; 15444b1e60aSAndi Kleen static bool topdown_run = false; 155daefd0bcSKan Liang static bool smi_cost = false; 156daefd0bcSKan Liang static bool smi_reset = false; 157201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 158d7470b6aSStephane Eranian static int big_num_opt = -1; 159d7470b6aSStephane Eranian static const char *csv_sep = NULL; 160d7470b6aSStephane Eranian static bool csv_output = false; 16143bece79SLin Ming static bool group = false; 1621f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1631f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1641f16c575SPeter Zijlstra static bool sync_run = false; 16541191688SAndi Kleen static unsigned int initial_delay = 0; 166410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 167a7e191c3SFrederik Deweerdt static bool forever = false; 16854b50916SAndi Kleen static bool metric_only = false; 16944b1e60aSAndi Kleen static bool force_metric_only = false; 170430daf2dSAndi Kleen static bool no_merge = false; 171e55c14afSJiri Olsa static bool walltime_run_table = false; 17213370a9bSStephane Eranian static struct timespec ref_time; 17386ee6e18SStephane Eranian static struct cpu_map *aggr_map; 1741e5a2931SJiri Olsa static aggr_get_id_t aggr_get_id; 175e0547311SJiri Olsa static bool append_file; 176db06a269Syuzhoujian static bool interval_count; 1779660e08eSJiri Olsa static bool interval_clear; 178e0547311SJiri Olsa static const char *output_name; 179e0547311SJiri Olsa static int output_fd; 18002d492e5SBorislav Petkov static int print_free_counters_hint; 18130060eaeSKan Liang static int print_mixed_hw_group_error; 182e55c14afSJiri Olsa static u64 *walltime_run; 1830ce2da14SJiri Olsa static bool ru_display = false; 1840ce2da14SJiri Olsa static struct rusage ru_data; 1855af52b51SStephane Eranian 1864979d0c7SJiri Olsa struct perf_stat { 1874979d0c7SJiri Olsa bool record; 1888ceb41d7SJiri Olsa struct perf_data data; 1894979d0c7SJiri Olsa struct perf_session *session; 1904979d0c7SJiri Olsa u64 bytes_written; 191ba6039b6SJiri Olsa struct perf_tool tool; 1921975d36eSJiri Olsa bool maps_allocated; 1931975d36eSJiri Olsa struct cpu_map *cpus; 1941975d36eSJiri Olsa struct thread_map *threads; 19589af4e05SJiri Olsa enum aggr_mode aggr_mode; 1964979d0c7SJiri Olsa }; 1974979d0c7SJiri Olsa 1984979d0c7SJiri Olsa static struct perf_stat perf_stat; 1994979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 2004979d0c7SJiri Olsa 20160666c63SLiming Wang static volatile int done = 0; 20260666c63SLiming Wang 203421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 204421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 205711a572eSJiri Olsa .scale = true, 206421a50f3SJiri Olsa }; 207421a50f3SJiri Olsa 208e864c5caSAndi Kleen static bool is_duration_time(struct perf_evsel *evsel) 209e864c5caSAndi Kleen { 210e864c5caSAndi Kleen return !strcmp(evsel->name, "duration_time"); 211e864c5caSAndi Kleen } 212e864c5caSAndi Kleen 21313370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 21413370a9bSStephane Eranian struct timespec *b) 21513370a9bSStephane Eranian { 21613370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 21713370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 218310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 21913370a9bSStephane Eranian r->tv_sec--; 22013370a9bSStephane Eranian } else { 22113370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 22213370a9bSStephane Eranian } 22313370a9bSStephane Eranian } 22413370a9bSStephane Eranian 225254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 226254ecbc7SJiri Olsa { 22756739444SJin Yao int i; 22856739444SJin Yao 229254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 230f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 23156739444SJin Yao 23256739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 23356739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 2341eda3b21SJiri Olsa } 2351eda3b21SJiri Olsa 236cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 23786470930SIngo Molnar { 23869aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 23982bf311eSJiri Olsa struct perf_evsel *leader = evsel->leader; 240727ab04eSArnaldo Carvalho de Melo 24182bf311eSJiri Olsa if (stat_config.scale) { 24286470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 24386470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 24482bf311eSJiri Olsa } 24582bf311eSJiri Olsa 24682bf311eSJiri Olsa /* 24782bf311eSJiri Olsa * The event is part of non trivial group, let's enable 24882bf311eSJiri Olsa * the group read (for leader) and ID retrieval for all 24982bf311eSJiri Olsa * members. 25082bf311eSJiri Olsa */ 25182bf311eSJiri Olsa if (leader->nr_members > 1) 25282bf311eSJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 25386470930SIngo Molnar 2542e6cdf99SStephane Eranian attr->inherit = !no_inherit; 2555d2cd909SArnaldo Carvalho de Melo 2566acd8e92SJiri Olsa /* 2576acd8e92SJiri Olsa * Some events get initialized with sample_(period/type) set, 2586acd8e92SJiri Olsa * like tracepoints. Clear it up for counting. 2596acd8e92SJiri Olsa */ 2606acd8e92SJiri Olsa attr->sample_period = 0; 2616db1a5c1SJiri Olsa 2624979d0c7SJiri Olsa /* 2634979d0c7SJiri Olsa * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 2644979d0c7SJiri Olsa * while avoiding that older tools show confusing messages. 2656db1a5c1SJiri Olsa * 2666db1a5c1SJiri Olsa * However for pipe sessions we need to keep it zero, 2676db1a5c1SJiri Olsa * because script's perf_evsel__check_attr is triggered 2686db1a5c1SJiri Olsa * by attr->sample_type != 0, and we can't run it on 2696db1a5c1SJiri Olsa * stat sessions. 2704979d0c7SJiri Olsa */ 2718ceb41d7SJiri Olsa if (!(STAT_RECORD && perf_stat.data.is_pipe)) 2724979d0c7SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 2736acd8e92SJiri Olsa 27467ccdecdSJiri Olsa /* 27567ccdecdSJiri Olsa * Disabling all counters initially, they will be enabled 27667ccdecdSJiri Olsa * either manually by us or by kernel via enable_on_exec 27767ccdecdSJiri Olsa * set later. 27867ccdecdSJiri Olsa */ 279c8280cecSJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 28067ccdecdSJiri Olsa attr->disabled = 1; 28167ccdecdSJiri Olsa 282c8280cecSJiri Olsa /* 283c8280cecSJiri Olsa * In case of initial_delay we enable tracee 284c8280cecSJiri Olsa * events manually. 285c8280cecSJiri Olsa */ 286c8280cecSJiri Olsa if (target__none(&target) && !initial_delay) 287c8280cecSJiri Olsa attr->enable_on_exec = 1; 288c8280cecSJiri Olsa } 289c8280cecSJiri Olsa 2901d9f8d1bSJin Yao if (target__has_cpu(&target) && !target__has_per_thread(&target)) 291594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 2925622c07bSStephane Eranian 293594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 29486470930SIngo Molnar } 29586470930SIngo Molnar 29686470930SIngo Molnar /* 29786470930SIngo Molnar * Does the counter have nsecs as a unit? 29886470930SIngo Molnar */ 299daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 30086470930SIngo Molnar { 301daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 302daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 30386470930SIngo Molnar return 1; 30486470930SIngo Molnar 30586470930SIngo Molnar return 0; 30686470930SIngo Molnar } 30786470930SIngo Molnar 3088b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 3094979d0c7SJiri Olsa union perf_event *event, 3104979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 3114979d0c7SJiri Olsa struct machine *machine __maybe_unused) 3124979d0c7SJiri Olsa { 3138ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 3148b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 3158b99b1a4SJiri Olsa return -1; 3168b99b1a4SJiri Olsa } 3178b99b1a4SJiri Olsa 3188b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 3198b99b1a4SJiri Olsa return 0; 3204979d0c7SJiri Olsa } 3214979d0c7SJiri Olsa 3221975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 3237aad0c32SJiri Olsa { 3241975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 3257aad0c32SJiri Olsa process_synthesized_event, 3267aad0c32SJiri Olsa NULL); 3277aad0c32SJiri Olsa } 3287aad0c32SJiri Olsa 3297aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 3307aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 3317aad0c32SJiri Olsa 3325a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 3335a6ea81bSJiri Olsa 3345a6ea81bSJiri Olsa static int 3355a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 3365a6ea81bSJiri Olsa struct perf_counts_values *count) 3375a6ea81bSJiri Olsa { 3385a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 3395a6ea81bSJiri Olsa 3405a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 3415a6ea81bSJiri Olsa process_synthesized_event, NULL); 3425a6ea81bSJiri Olsa } 3435a6ea81bSJiri Olsa 344f5b4a9c3SStephane Eranian /* 345f5b4a9c3SStephane Eranian * Read out the results of a single counter: 346f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 347f5b4a9c3SStephane Eranian */ 348c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 349f5b4a9c3SStephane Eranian { 3509bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 35100e727bbSMark Rutland int ncpus, cpu, thread; 35200e727bbSMark Rutland 3531d9f8d1bSJin Yao if (target__has_cpu(&target) && !target__has_per_thread(&target)) 35400e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 35500e727bbSMark Rutland else 35600e727bbSMark Rutland ncpus = 1; 357f5b4a9c3SStephane Eranian 3583b4331d9SSuzuki K. Poulose if (!counter->supported) 3593b4331d9SSuzuki K. Poulose return -ENOENT; 3603b4331d9SSuzuki K. Poulose 3619bf1a529SJiri Olsa if (counter->system_wide) 3629bf1a529SJiri Olsa nthreads = 1; 3639bf1a529SJiri Olsa 3649bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 3659bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 3663b3eb044SJiri Olsa struct perf_counts_values *count; 3673b3eb044SJiri Olsa 3683b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 36982bf311eSJiri Olsa 37082bf311eSJiri Olsa /* 37182bf311eSJiri Olsa * The leader's group read loads data into its group members 37282bf311eSJiri Olsa * (via perf_evsel__read_counter) and sets threir count->loaded. 37382bf311eSJiri Olsa */ 37482bf311eSJiri Olsa if (!count->loaded && 37582bf311eSJiri Olsa perf_evsel__read_counter(counter, cpu, thread)) { 376db49a717SStephane Eranian counter->counts->scaled = -1; 377db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 378db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 379c52b12edSArnaldo Carvalho de Melo return -1; 380db49a717SStephane Eranian } 3815a6ea81bSJiri Olsa 38282bf311eSJiri Olsa count->loaded = false; 38382bf311eSJiri Olsa 3845a6ea81bSJiri Olsa if (STAT_RECORD) { 3855a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3865a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3875a6ea81bSJiri Olsa return -1; 3885a6ea81bSJiri Olsa } 3895a6ea81bSJiri Olsa } 3900b1abbf4SAndi Kleen 3910b1abbf4SAndi Kleen if (verbose > 1) { 3920b1abbf4SAndi Kleen fprintf(stat_config.output, 3930b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3940b1abbf4SAndi Kleen perf_evsel__name(counter), 3950b1abbf4SAndi Kleen cpu, 3960b1abbf4SAndi Kleen count->val, count->ena, count->run); 3970b1abbf4SAndi Kleen } 398f5b4a9c3SStephane Eranian } 3999bf1a529SJiri Olsa } 400c52b12edSArnaldo Carvalho de Melo 401c52b12edSArnaldo Carvalho de Melo return 0; 40286470930SIngo Molnar } 40386470930SIngo Molnar 4043df33effSMark Rutland static void read_counters(void) 405106a94a0SJiri Olsa { 406106a94a0SJiri Olsa struct perf_evsel *counter; 407db49a717SStephane Eranian int ret; 408106a94a0SJiri Olsa 409e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 410db49a717SStephane Eranian ret = read_counter(counter); 411db49a717SStephane Eranian if (ret) 412245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 4133b3eb044SJiri Olsa 414db49a717SStephane Eranian if (ret == 0 && perf_stat_process_counter(&stat_config, counter)) 4153b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 416106a94a0SJiri Olsa } 417106a94a0SJiri Olsa } 418106a94a0SJiri Olsa 419ba411a95SJiri Olsa static void process_interval(void) 42013370a9bSStephane Eranian { 42113370a9bSStephane Eranian struct timespec ts, rs; 42213370a9bSStephane Eranian 4233df33effSMark Rutland read_counters(); 42486ee6e18SStephane Eranian 42513370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 42613370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 42713370a9bSStephane Eranian 4287aad0c32SJiri Olsa if (STAT_RECORD) { 429bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 4307aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 4317aad0c32SJiri Olsa } 4327aad0c32SJiri Olsa 433b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 434b90f1333SAndi Kleen update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); 435d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 43613370a9bSStephane Eranian } 43713370a9bSStephane Eranian 43867ccdecdSJiri Olsa static void enable_counters(void) 43941191688SAndi Kleen { 44067ccdecdSJiri Olsa if (initial_delay) 441310ebb93SArnaldo Carvalho de Melo usleep(initial_delay * USEC_PER_MSEC); 44267ccdecdSJiri Olsa 44367ccdecdSJiri Olsa /* 44467ccdecdSJiri Olsa * We need to enable counters only if: 44567ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 44667ccdecdSJiri Olsa * - we have initial delay configured 44767ccdecdSJiri Olsa */ 44867ccdecdSJiri Olsa if (!target__none(&target) || initial_delay) 449ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 45041191688SAndi Kleen } 45141191688SAndi Kleen 4523df33effSMark Rutland static void disable_counters(void) 4533df33effSMark Rutland { 4543df33effSMark Rutland /* 4553df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 4563df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 4573df33effSMark Rutland * from counting before reading their constituent counters. 4583df33effSMark Rutland */ 4593df33effSMark Rutland if (!target__none(&target)) 4603df33effSMark Rutland perf_evlist__disable(evsel_list); 4613df33effSMark Rutland } 4623df33effSMark Rutland 463f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 4646af206fdSArnaldo Carvalho de Melo 4656af206fdSArnaldo Carvalho de Melo /* 4666af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 4676af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 4686af206fdSArnaldo Carvalho de Melo * want_signal to true. 4696af206fdSArnaldo Carvalho de Melo */ 470f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 471f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 4726af206fdSArnaldo Carvalho de Melo { 473f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 4746af206fdSArnaldo Carvalho de Melo } 4756af206fdSArnaldo Carvalho de Melo 476664c98d4SJiri Olsa static int perf_stat_synthesize_config(bool is_pipe) 4778b99b1a4SJiri Olsa { 4788b99b1a4SJiri Olsa int err; 4798b99b1a4SJiri Olsa 480664c98d4SJiri Olsa if (is_pipe) { 481664c98d4SJiri Olsa err = perf_event__synthesize_attrs(NULL, perf_stat.session, 482664c98d4SJiri Olsa process_synthesized_event); 483664c98d4SJiri Olsa if (err < 0) { 484664c98d4SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 485664c98d4SJiri Olsa return err; 486664c98d4SJiri Olsa } 487664c98d4SJiri Olsa } 488664c98d4SJiri Olsa 489bfd8f72cSAndi Kleen err = perf_event__synthesize_extra_attr(NULL, 490bfd8f72cSAndi Kleen evsel_list, 491bfd8f72cSAndi Kleen process_synthesized_event, 492bfd8f72cSAndi Kleen is_pipe); 4937b60a7e3SJiri Olsa 4948b99b1a4SJiri Olsa err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, 4958b99b1a4SJiri Olsa process_synthesized_event, 4968b99b1a4SJiri Olsa NULL); 4978b99b1a4SJiri Olsa if (err < 0) { 4988b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4998b99b1a4SJiri Olsa return err; 5008b99b1a4SJiri Olsa } 5018b99b1a4SJiri Olsa 5028b99b1a4SJiri Olsa err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, 5038b99b1a4SJiri Olsa process_synthesized_event, NULL); 5048b99b1a4SJiri Olsa if (err < 0) { 5058b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5068b99b1a4SJiri Olsa return err; 5078b99b1a4SJiri Olsa } 5088b99b1a4SJiri Olsa 5098b99b1a4SJiri Olsa err = perf_event__synthesize_stat_config(NULL, &stat_config, 5108b99b1a4SJiri Olsa process_synthesized_event, NULL); 5118b99b1a4SJiri Olsa if (err < 0) { 5128b99b1a4SJiri Olsa pr_err("Couldn't synthesize config.\n"); 5138b99b1a4SJiri Olsa return err; 5148b99b1a4SJiri Olsa } 5158b99b1a4SJiri Olsa 5168b99b1a4SJiri Olsa return 0; 5178b99b1a4SJiri Olsa } 5188b99b1a4SJiri Olsa 5192af4646dSJiri Olsa #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 5202af4646dSJiri Olsa 52142811d50SAndi Kleen static int __store_counter_ids(struct perf_evsel *counter) 5222af4646dSJiri Olsa { 5232af4646dSJiri Olsa int cpu, thread; 5242af4646dSJiri Olsa 52542811d50SAndi Kleen for (cpu = 0; cpu < xyarray__max_x(counter->fd); cpu++) { 52642811d50SAndi Kleen for (thread = 0; thread < xyarray__max_y(counter->fd); 52742811d50SAndi Kleen thread++) { 5282af4646dSJiri Olsa int fd = FD(counter, cpu, thread); 5292af4646dSJiri Olsa 5302af4646dSJiri Olsa if (perf_evlist__id_add_fd(evsel_list, counter, 5312af4646dSJiri Olsa cpu, thread, fd) < 0) 5322af4646dSJiri Olsa return -1; 5332af4646dSJiri Olsa } 5342af4646dSJiri Olsa } 5352af4646dSJiri Olsa 5362af4646dSJiri Olsa return 0; 5372af4646dSJiri Olsa } 5382af4646dSJiri Olsa 5392af4646dSJiri Olsa static int store_counter_ids(struct perf_evsel *counter) 5402af4646dSJiri Olsa { 5412af4646dSJiri Olsa struct cpu_map *cpus = counter->cpus; 5422af4646dSJiri Olsa struct thread_map *threads = counter->threads; 5432af4646dSJiri Olsa 5442af4646dSJiri Olsa if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) 5452af4646dSJiri Olsa return -ENOMEM; 5462af4646dSJiri Olsa 54742811d50SAndi Kleen return __store_counter_ids(counter); 5482af4646dSJiri Olsa } 5492af4646dSJiri Olsa 55082bf311eSJiri Olsa static bool perf_evsel__should_store_id(struct perf_evsel *counter) 55182bf311eSJiri Olsa { 55282bf311eSJiri Olsa return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID; 55382bf311eSJiri Olsa } 55482bf311eSJiri Olsa 5555a5dfe4bSAndi Kleen static struct perf_evsel *perf_evsel__reset_weak_group(struct perf_evsel *evsel) 5565a5dfe4bSAndi Kleen { 5575a5dfe4bSAndi Kleen struct perf_evsel *c2, *leader; 5585a5dfe4bSAndi Kleen bool is_open = true; 5595a5dfe4bSAndi Kleen 5605a5dfe4bSAndi Kleen leader = evsel->leader; 5615a5dfe4bSAndi Kleen pr_debug("Weak group for %s/%d failed\n", 5625a5dfe4bSAndi Kleen leader->name, leader->nr_members); 5635a5dfe4bSAndi Kleen 5645a5dfe4bSAndi Kleen /* 5655a5dfe4bSAndi Kleen * for_each_group_member doesn't work here because it doesn't 5665a5dfe4bSAndi Kleen * include the first entry. 5675a5dfe4bSAndi Kleen */ 5685a5dfe4bSAndi Kleen evlist__for_each_entry(evsel_list, c2) { 5695a5dfe4bSAndi Kleen if (c2 == evsel) 5705a5dfe4bSAndi Kleen is_open = false; 5715a5dfe4bSAndi Kleen if (c2->leader == leader) { 5725a5dfe4bSAndi Kleen if (is_open) 5735a5dfe4bSAndi Kleen perf_evsel__close(c2); 5745a5dfe4bSAndi Kleen c2->leader = c2; 5755a5dfe4bSAndi Kleen c2->nr_members = 0; 5765a5dfe4bSAndi Kleen } 5775a5dfe4bSAndi Kleen } 5785a5dfe4bSAndi Kleen return leader; 5795a5dfe4bSAndi Kleen } 5805a5dfe4bSAndi Kleen 581e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 58286470930SIngo Molnar { 583ec0d3d1fSJiri Olsa int interval = stat_config.interval; 584db06a269Syuzhoujian int times = stat_config.times; 585f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 586d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 58786470930SIngo Molnar unsigned long long t0, t1; 588cac21425SJiri Olsa struct perf_evsel *counter; 58913370a9bSStephane Eranian struct timespec ts; 590410136f5SStephane Eranian size_t l; 59142202dd5SIngo Molnar int status = 0; 5926be2850eSZhang, Yanmin const bool forks = (argc > 0); 5938ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 5945d8bb1ecSMathieu Poirier struct perf_evsel_config_term *err_term; 59586470930SIngo Molnar 59613370a9bSStephane Eranian if (interval) { 597310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 598310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 599f1f8ad52Syuzhoujian } else if (timeout) { 600f1f8ad52Syuzhoujian ts.tv_sec = timeout / USEC_PER_MSEC; 601f1f8ad52Syuzhoujian ts.tv_nsec = (timeout % USEC_PER_MSEC) * NSEC_PER_MSEC; 60213370a9bSStephane Eranian } else { 60313370a9bSStephane Eranian ts.tv_sec = 1; 60413370a9bSStephane Eranian ts.tv_nsec = 0; 60513370a9bSStephane Eranian } 60613370a9bSStephane Eranian 607acf28922SNamhyung Kim if (forks) { 608664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 609735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 610acf28922SNamhyung Kim perror("failed to prepare workload"); 611fceda7feSDavid Ahern return -1; 612051ae7f7SPaul Mackerras } 613d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 61460666c63SLiming Wang } 615051ae7f7SPaul Mackerras 6166a4bb04cSJiri Olsa if (group) 61763dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 6186a4bb04cSJiri Olsa 619e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 62042ef8a78SArnaldo Carvalho de Melo try_again: 621cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 6225a5dfe4bSAndi Kleen 6235a5dfe4bSAndi Kleen /* Weak group failed. Reset the group. */ 62435c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 6255a5dfe4bSAndi Kleen counter->leader != counter && 6265a5dfe4bSAndi Kleen counter->weak_group) { 6275a5dfe4bSAndi Kleen counter = perf_evsel__reset_weak_group(counter); 6285a5dfe4bSAndi Kleen goto try_again; 6295a5dfe4bSAndi Kleen } 6305a5dfe4bSAndi Kleen 631979987a5SDavid Ahern /* 632979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 633979987a5SDavid Ahern * (behavior changed with commit b0a873e). 634979987a5SDavid Ahern */ 63538f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 636979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 637979987a5SDavid Ahern errno == ENXIO) { 638bb963e16SNamhyung Kim if (verbose > 0) 639c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 6407289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 6412cee77c4SDavid Ahern counter->supported = false; 642cb5ef600SKan Liang 643cb5ef600SKan Liang if ((counter->leader != counter) || 644cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 645ede70290SIngo Molnar continue; 64642ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 647bb963e16SNamhyung Kim if (verbose > 0) 64842ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 64942ef8a78SArnaldo Carvalho de Melo goto try_again; 650ab6c79b8SJin Yao } else if (target__has_per_thread(&target) && 651ab6c79b8SJin Yao evsel_list->threads && 652ab6c79b8SJin Yao evsel_list->threads->err_thread != -1) { 653ab6c79b8SJin Yao /* 654ab6c79b8SJin Yao * For global --per-thread case, skip current 655ab6c79b8SJin Yao * error thread. 656ab6c79b8SJin Yao */ 657ab6c79b8SJin Yao if (!thread_map__remove(evsel_list->threads, 658ab6c79b8SJin Yao evsel_list->threads->err_thread)) { 659ab6c79b8SJin Yao evsel_list->threads->err_thread = -1; 660ab6c79b8SJin Yao goto try_again; 661ab6c79b8SJin Yao } 662c63ca0c0SDavid Ahern } 663ede70290SIngo Molnar 66456e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 66556e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 66656e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 66756e52e85SArnaldo Carvalho de Melo 668084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 669084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 670fceda7feSDavid Ahern 671084ab9f8SArnaldo Carvalho de Melo return -1; 672084ab9f8SArnaldo Carvalho de Melo } 6732cee77c4SDavid Ahern counter->supported = true; 674410136f5SStephane Eranian 675410136f5SStephane Eranian l = strlen(counter->unit); 676410136f5SStephane Eranian if (l > unit_width) 677410136f5SStephane Eranian unit_width = l; 6782af4646dSJiri Olsa 67982bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 68082bf311eSJiri Olsa store_counter_ids(counter)) 6812af4646dSJiri Olsa return -1; 68248290609SArnaldo Carvalho de Melo } 68386470930SIngo Molnar 68423d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 68562d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 68623d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 687c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 688cfd748aeSFrederic Weisbecker return -1; 689cfd748aeSFrederic Weisbecker } 690cfd748aeSFrederic Weisbecker 6915d8bb1ecSMathieu Poirier if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) { 69262d94b00SArnaldo Carvalho de Melo pr_err("failed to set config \"%s\" on event %s with %d (%s)\n", 6935d8bb1ecSMathieu Poirier err_term->val.drv_cfg, perf_evsel__name(counter), errno, 6945d8bb1ecSMathieu Poirier str_error_r(errno, msg, sizeof(msg))); 6955d8bb1ecSMathieu Poirier return -1; 6965d8bb1ecSMathieu Poirier } 6975d8bb1ecSMathieu Poirier 6984979d0c7SJiri Olsa if (STAT_RECORD) { 6998ceb41d7SJiri Olsa int err, fd = perf_data__fd(&perf_stat.data); 7004979d0c7SJiri Olsa 701664c98d4SJiri Olsa if (is_pipe) { 7028ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 703664c98d4SJiri Olsa } else { 7044979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 7054979d0c7SJiri Olsa fd, false); 706664c98d4SJiri Olsa } 707664c98d4SJiri Olsa 7084979d0c7SJiri Olsa if (err < 0) 7094979d0c7SJiri Olsa return err; 7108b99b1a4SJiri Olsa 711664c98d4SJiri Olsa err = perf_stat_synthesize_config(is_pipe); 7128b99b1a4SJiri Olsa if (err < 0) 7138b99b1a4SJiri Olsa return err; 7144979d0c7SJiri Olsa } 7154979d0c7SJiri Olsa 71686470930SIngo Molnar /* 71786470930SIngo Molnar * Enable counters and exec the command: 71886470930SIngo Molnar */ 71986470930SIngo Molnar t0 = rdclock(); 72013370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 72186470930SIngo Molnar 72260666c63SLiming Wang if (forks) { 723acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 72467ccdecdSJiri Olsa enable_counters(); 725acf28922SNamhyung Kim 726f1f8ad52Syuzhoujian if (interval || timeout) { 72713370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 72813370a9bSStephane Eranian nanosleep(&ts, NULL); 729f1f8ad52Syuzhoujian if (timeout) 730f1f8ad52Syuzhoujian break; 731ba411a95SJiri Olsa process_interval(); 732db06a269Syuzhoujian if (interval_count && !(--times)) 733db06a269Syuzhoujian break; 73413370a9bSStephane Eranian } 73513370a9bSStephane Eranian } 7360ce2da14SJiri Olsa wait4(child_pid, &status, 0, &ru_data); 7376af206fdSArnaldo Carvalho de Melo 738f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 739c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 740f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 7416af206fdSArnaldo Carvalho de Melo return -1; 742f33cbe72SArnaldo Carvalho de Melo } 7436af206fdSArnaldo Carvalho de Melo 74433e49ea7SAndi Kleen if (WIFSIGNALED(status)) 74533e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 74660666c63SLiming Wang } else { 74767ccdecdSJiri Olsa enable_counters(); 74813370a9bSStephane Eranian while (!done) { 74913370a9bSStephane Eranian nanosleep(&ts, NULL); 750f1f8ad52Syuzhoujian if (timeout) 751f1f8ad52Syuzhoujian break; 752db06a269Syuzhoujian if (interval) { 753ba411a95SJiri Olsa process_interval(); 754db06a269Syuzhoujian if (interval_count && !(--times)) 755db06a269Syuzhoujian break; 756db06a269Syuzhoujian } 75713370a9bSStephane Eranian } 75860666c63SLiming Wang } 75986470930SIngo Molnar 7603df33effSMark Rutland disable_counters(); 7613df33effSMark Rutland 76286470930SIngo Molnar t1 = rdclock(); 76386470930SIngo Molnar 764e55c14afSJiri Olsa if (walltime_run_table) 765e55c14afSJiri Olsa walltime_run[run_idx] = t1 - t0; 766e55c14afSJiri Olsa 7679e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 76842202dd5SIngo Molnar 7693df33effSMark Rutland /* 7703df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 7713df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 7723df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 7733df33effSMark Rutland * group leaders. 7743df33effSMark Rutland */ 7753df33effSMark Rutland read_counters(); 7763df33effSMark Rutland perf_evlist__close(evsel_list); 777c52b12edSArnaldo Carvalho de Melo 77842202dd5SIngo Molnar return WEXITSTATUS(status); 77942202dd5SIngo Molnar } 78042202dd5SIngo Molnar 781e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 7821f16c575SPeter Zijlstra { 7831f16c575SPeter Zijlstra int ret; 7841f16c575SPeter Zijlstra 7851f16c575SPeter Zijlstra if (pre_cmd) { 7861f16c575SPeter Zijlstra ret = system(pre_cmd); 7871f16c575SPeter Zijlstra if (ret) 7881f16c575SPeter Zijlstra return ret; 7891f16c575SPeter Zijlstra } 7901f16c575SPeter Zijlstra 7911f16c575SPeter Zijlstra if (sync_run) 7921f16c575SPeter Zijlstra sync(); 7931f16c575SPeter Zijlstra 794e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 7951f16c575SPeter Zijlstra if (ret) 7961f16c575SPeter Zijlstra return ret; 7971f16c575SPeter Zijlstra 7981f16c575SPeter Zijlstra if (post_cmd) { 7991f16c575SPeter Zijlstra ret = system(post_cmd); 8001f16c575SPeter Zijlstra if (ret) 8011f16c575SPeter Zijlstra return ret; 8021f16c575SPeter Zijlstra } 8031f16c575SPeter Zijlstra 8041f16c575SPeter Zijlstra return ret; 8051f16c575SPeter Zijlstra } 8061f16c575SPeter Zijlstra 807d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 808d73515c0SAndi Kleen { 809d73515c0SAndi Kleen if (csv_output) { 8105821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 811d73515c0SAndi Kleen csv_sep, 812d73515c0SAndi Kleen run, 813d73515c0SAndi Kleen csv_sep, 814d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 815d73515c0SAndi Kleen } else if (run != ena) { 8165821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 817d73515c0SAndi Kleen } 818d73515c0SAndi Kleen } 819d73515c0SAndi Kleen 820f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 821f99844cbSIngo Molnar { 8220007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 823f99844cbSIngo Molnar 8243ae9a34dSZhengyu He if (csv_output) 8255821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 826a1bca6ccSJim Cromie else if (pct) 8275821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 828f99844cbSIngo Molnar } 829f99844cbSIngo Molnar 83069aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 83142202dd5SIngo Molnar { 832581cc8a2SJiri Olsa struct perf_stat_evsel *ps; 83369aad6f1SArnaldo Carvalho de Melo 834849abde9SPeter Zijlstra if (run_count == 1) 835849abde9SPeter Zijlstra return; 836849abde9SPeter Zijlstra 837e669e833SArnaldo Carvalho de Melo ps = evsel->stats; 838f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 83942202dd5SIngo Molnar } 84042202dd5SIngo Molnar 84112c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 84242202dd5SIngo Molnar { 843421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 84412c08a9fSStephane Eranian case AGGR_CORE: 8455821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 84612c08a9fSStephane Eranian cpu_map__id_to_socket(id), 84712c08a9fSStephane Eranian csv_output ? 0 : -8, 84812c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 84912c08a9fSStephane Eranian csv_sep, 85012c08a9fSStephane Eranian csv_output ? 0 : 4, 85112c08a9fSStephane Eranian nr, 85212c08a9fSStephane Eranian csv_sep); 85312c08a9fSStephane Eranian break; 85486ee6e18SStephane Eranian case AGGR_SOCKET: 8555821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 856d7e7a451SStephane Eranian csv_output ? 0 : -5, 85712c08a9fSStephane Eranian id, 858d7e7a451SStephane Eranian csv_sep, 859d7e7a451SStephane Eranian csv_output ? 0 : 4, 860d7e7a451SStephane Eranian nr, 861d7e7a451SStephane Eranian csv_sep); 86286ee6e18SStephane Eranian break; 86386ee6e18SStephane Eranian case AGGR_NONE: 8645821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 865d7470b6aSStephane Eranian csv_output ? 0 : -4, 86612c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 86786ee6e18SStephane Eranian break; 86832b8af82SJiri Olsa case AGGR_THREAD: 8695821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 87032b8af82SJiri Olsa csv_output ? 0 : 16, 87132b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 87232b8af82SJiri Olsa csv_output ? 0 : -8, 87332b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 87432b8af82SJiri Olsa csv_sep); 87532b8af82SJiri Olsa break; 87686ee6e18SStephane Eranian case AGGR_GLOBAL: 877208df99eSJiri Olsa case AGGR_UNSET: 87886ee6e18SStephane Eranian default: 87986ee6e18SStephane Eranian break; 88086ee6e18SStephane Eranian } 88186ee6e18SStephane Eranian } 882d7470b6aSStephane Eranian 883140aeadcSAndi Kleen struct outstate { 884140aeadcSAndi Kleen FILE *fh; 885140aeadcSAndi Kleen bool newline; 886f9483392SAndi Kleen const char *prefix; 88792a61f64SAndi Kleen int nfields; 88844d49a60SAndi Kleen int id, nr; 88944d49a60SAndi Kleen struct perf_evsel *evsel; 890140aeadcSAndi Kleen }; 891140aeadcSAndi Kleen 892140aeadcSAndi Kleen #define METRIC_LEN 35 893140aeadcSAndi Kleen 894140aeadcSAndi Kleen static void new_line_std(void *ctx) 895140aeadcSAndi Kleen { 896140aeadcSAndi Kleen struct outstate *os = ctx; 897140aeadcSAndi Kleen 898140aeadcSAndi Kleen os->newline = true; 899140aeadcSAndi Kleen } 900140aeadcSAndi Kleen 901140aeadcSAndi Kleen static void do_new_line_std(struct outstate *os) 902140aeadcSAndi Kleen { 903140aeadcSAndi Kleen fputc('\n', os->fh); 904f9483392SAndi Kleen fputs(os->prefix, os->fh); 90544d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 906140aeadcSAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 907140aeadcSAndi Kleen fprintf(os->fh, " "); 908140aeadcSAndi Kleen fprintf(os->fh, " "); 909140aeadcSAndi Kleen } 910140aeadcSAndi Kleen 911140aeadcSAndi Kleen static void print_metric_std(void *ctx, const char *color, const char *fmt, 912140aeadcSAndi Kleen const char *unit, double val) 913140aeadcSAndi Kleen { 914140aeadcSAndi Kleen struct outstate *os = ctx; 915140aeadcSAndi Kleen FILE *out = os->fh; 916140aeadcSAndi Kleen int n; 917140aeadcSAndi Kleen bool newline = os->newline; 918140aeadcSAndi Kleen 919140aeadcSAndi Kleen os->newline = false; 920140aeadcSAndi Kleen 921140aeadcSAndi Kleen if (unit == NULL || fmt == NULL) { 922140aeadcSAndi Kleen fprintf(out, "%-*s", METRIC_LEN, ""); 923140aeadcSAndi Kleen return; 924140aeadcSAndi Kleen } 925140aeadcSAndi Kleen 926140aeadcSAndi Kleen if (newline) 927140aeadcSAndi Kleen do_new_line_std(os); 928140aeadcSAndi Kleen 929140aeadcSAndi Kleen n = fprintf(out, " # "); 930140aeadcSAndi Kleen if (color) 931140aeadcSAndi Kleen n += color_fprintf(out, color, fmt, val); 932140aeadcSAndi Kleen else 933140aeadcSAndi Kleen n += fprintf(out, fmt, val); 934140aeadcSAndi Kleen fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 935140aeadcSAndi Kleen } 936140aeadcSAndi Kleen 93792a61f64SAndi Kleen static void new_line_csv(void *ctx) 93892a61f64SAndi Kleen { 93992a61f64SAndi Kleen struct outstate *os = ctx; 94092a61f64SAndi Kleen int i; 94192a61f64SAndi Kleen 94292a61f64SAndi Kleen fputc('\n', os->fh); 94392a61f64SAndi Kleen if (os->prefix) 94492a61f64SAndi Kleen fprintf(os->fh, "%s%s", os->prefix, csv_sep); 94544d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 94692a61f64SAndi Kleen for (i = 0; i < os->nfields; i++) 94792a61f64SAndi Kleen fputs(csv_sep, os->fh); 94892a61f64SAndi Kleen } 94992a61f64SAndi Kleen 95092a61f64SAndi Kleen static void print_metric_csv(void *ctx, 95192a61f64SAndi Kleen const char *color __maybe_unused, 95292a61f64SAndi Kleen const char *fmt, const char *unit, double val) 95392a61f64SAndi Kleen { 95492a61f64SAndi Kleen struct outstate *os = ctx; 95592a61f64SAndi Kleen FILE *out = os->fh; 95692a61f64SAndi Kleen char buf[64], *vals, *ends; 95792a61f64SAndi Kleen 95892a61f64SAndi Kleen if (unit == NULL || fmt == NULL) { 95940c21898SIlya Pronin fprintf(out, "%s%s", csv_sep, csv_sep); 96092a61f64SAndi Kleen return; 96192a61f64SAndi Kleen } 96292a61f64SAndi Kleen snprintf(buf, sizeof(buf), fmt, val); 963b07c40dfSTaeung Song ends = vals = ltrim(buf); 96492a61f64SAndi Kleen while (isdigit(*ends) || *ends == '.') 96592a61f64SAndi Kleen ends++; 96692a61f64SAndi Kleen *ends = 0; 96792a61f64SAndi Kleen while (isspace(*unit)) 96892a61f64SAndi Kleen unit++; 96992a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); 97092a61f64SAndi Kleen } 97192a61f64SAndi Kleen 97254b50916SAndi Kleen #define METRIC_ONLY_LEN 20 97354b50916SAndi Kleen 97454b50916SAndi Kleen /* Filter out some columns that don't work well in metrics only mode */ 97554b50916SAndi Kleen 97654b50916SAndi Kleen static bool valid_only_metric(const char *unit) 97754b50916SAndi Kleen { 97854b50916SAndi Kleen if (!unit) 97954b50916SAndi Kleen return false; 98054b50916SAndi Kleen if (strstr(unit, "/sec") || 98154b50916SAndi Kleen strstr(unit, "hz") || 98254b50916SAndi Kleen strstr(unit, "Hz") || 98354b50916SAndi Kleen strstr(unit, "CPUs utilized")) 98454b50916SAndi Kleen return false; 98554b50916SAndi Kleen return true; 98654b50916SAndi Kleen } 98754b50916SAndi Kleen 98854b50916SAndi Kleen static const char *fixunit(char *buf, struct perf_evsel *evsel, 98954b50916SAndi Kleen const char *unit) 99054b50916SAndi Kleen { 99154b50916SAndi Kleen if (!strncmp(unit, "of all", 6)) { 99254b50916SAndi Kleen snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), 99354b50916SAndi Kleen unit); 99454b50916SAndi Kleen return buf; 99554b50916SAndi Kleen } 99654b50916SAndi Kleen return unit; 99754b50916SAndi Kleen } 99854b50916SAndi Kleen 99954b50916SAndi Kleen static void print_metric_only(void *ctx, const char *color, const char *fmt, 100054b50916SAndi Kleen const char *unit, double val) 100154b50916SAndi Kleen { 100254b50916SAndi Kleen struct outstate *os = ctx; 100354b50916SAndi Kleen FILE *out = os->fh; 100454b50916SAndi Kleen int n; 100554b50916SAndi Kleen char buf[1024]; 100654b50916SAndi Kleen unsigned mlen = METRIC_ONLY_LEN; 100754b50916SAndi Kleen 100854b50916SAndi Kleen if (!valid_only_metric(unit)) 100954b50916SAndi Kleen return; 101054b50916SAndi Kleen unit = fixunit(buf, os->evsel, unit); 101154b50916SAndi Kleen if (color) 101254b50916SAndi Kleen n = color_fprintf(out, color, fmt, val); 101354b50916SAndi Kleen else 101454b50916SAndi Kleen n = fprintf(out, fmt, val); 101554b50916SAndi Kleen if (n > METRIC_ONLY_LEN) 101654b50916SAndi Kleen n = METRIC_ONLY_LEN; 101754b50916SAndi Kleen if (mlen < strlen(unit)) 101854b50916SAndi Kleen mlen = strlen(unit) + 1; 101954b50916SAndi Kleen fprintf(out, "%*s", mlen - n, ""); 102054b50916SAndi Kleen } 102154b50916SAndi Kleen 102254b50916SAndi Kleen static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, 102354b50916SAndi Kleen const char *fmt, 102454b50916SAndi Kleen const char *unit, double val) 102554b50916SAndi Kleen { 102654b50916SAndi Kleen struct outstate *os = ctx; 102754b50916SAndi Kleen FILE *out = os->fh; 102854b50916SAndi Kleen char buf[64], *vals, *ends; 102954b50916SAndi Kleen char tbuf[1024]; 103054b50916SAndi Kleen 103154b50916SAndi Kleen if (!valid_only_metric(unit)) 103254b50916SAndi Kleen return; 103354b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 103454b50916SAndi Kleen snprintf(buf, sizeof buf, fmt, val); 1035b07c40dfSTaeung Song ends = vals = ltrim(buf); 103654b50916SAndi Kleen while (isdigit(*ends) || *ends == '.') 103754b50916SAndi Kleen ends++; 103854b50916SAndi Kleen *ends = 0; 103954b50916SAndi Kleen fprintf(out, "%s%s", vals, csv_sep); 104054b50916SAndi Kleen } 104154b50916SAndi Kleen 104254b50916SAndi Kleen static void new_line_metric(void *ctx __maybe_unused) 104354b50916SAndi Kleen { 104454b50916SAndi Kleen } 104554b50916SAndi Kleen 104654b50916SAndi Kleen static void print_metric_header(void *ctx, const char *color __maybe_unused, 104754b50916SAndi Kleen const char *fmt __maybe_unused, 104854b50916SAndi Kleen const char *unit, double val __maybe_unused) 104954b50916SAndi Kleen { 105054b50916SAndi Kleen struct outstate *os = ctx; 105154b50916SAndi Kleen char tbuf[1024]; 105254b50916SAndi Kleen 105354b50916SAndi Kleen if (!valid_only_metric(unit)) 105454b50916SAndi Kleen return; 105554b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 105654b50916SAndi Kleen if (csv_output) 105754b50916SAndi Kleen fprintf(os->fh, "%s%s", unit, csv_sep); 105854b50916SAndi Kleen else 105954b50916SAndi Kleen fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); 106054b50916SAndi Kleen } 106154b50916SAndi Kleen 1062da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 106386ee6e18SStephane Eranian { 10645821522eSJiri Olsa FILE *output = stat_config.output; 1065310ebb93SArnaldo Carvalho de Melo double msecs = avg / NSEC_PER_MSEC; 1066410136f5SStephane Eranian const char *fmt_v, *fmt_n; 10674bbe5a61SDavid Ahern char name[25]; 106886ee6e18SStephane Eranian 1069410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 1070410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 1071410136f5SStephane Eranian 1072da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 107386ee6e18SStephane Eranian 10744bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 10754bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 1076410136f5SStephane Eranian 1077410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 1078410136f5SStephane Eranian 1079410136f5SStephane Eranian if (csv_output) 1080410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 1081410136f5SStephane Eranian else 1082410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 1083410136f5SStephane Eranian 1084410136f5SStephane Eranian fprintf(output, fmt_n, name); 1085d7470b6aSStephane Eranian 1086023695d9SStephane Eranian if (evsel->cgrp) 10874aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 108842202dd5SIngo Molnar } 108942202dd5SIngo Molnar 109044d49a60SAndi Kleen static int first_shadow_cpu(struct perf_evsel *evsel, int id) 109144d49a60SAndi Kleen { 109244d49a60SAndi Kleen int i; 109344d49a60SAndi Kleen 109444d49a60SAndi Kleen if (!aggr_get_id) 109544d49a60SAndi Kleen return 0; 109644d49a60SAndi Kleen 109744d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 109844d49a60SAndi Kleen return id; 109944d49a60SAndi Kleen 110044d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL) 110144d49a60SAndi Kleen return 0; 110244d49a60SAndi Kleen 110344d49a60SAndi Kleen for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { 110444d49a60SAndi Kleen int cpu2 = perf_evsel__cpus(evsel)->map[i]; 110544d49a60SAndi Kleen 110644d49a60SAndi Kleen if (aggr_get_id(evsel_list->cpus, cpu2) == id) 110744d49a60SAndi Kleen return cpu2; 110844d49a60SAndi Kleen } 110944d49a60SAndi Kleen return 0; 111044d49a60SAndi Kleen } 111144d49a60SAndi Kleen 1112556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 1113556b1fb7SJiri Olsa { 11145821522eSJiri Olsa FILE *output = stat_config.output; 1115556b1fb7SJiri Olsa double sc = evsel->scale; 1116556b1fb7SJiri Olsa const char *fmt; 1117556b1fb7SJiri Olsa 1118556b1fb7SJiri Olsa if (csv_output) { 1119e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; 1120556b1fb7SJiri Olsa } else { 1121556b1fb7SJiri Olsa if (big_num) 1122e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; 1123556b1fb7SJiri Olsa else 1124e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; 1125556b1fb7SJiri Olsa } 1126556b1fb7SJiri Olsa 1127556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 1128556b1fb7SJiri Olsa 1129556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 1130556b1fb7SJiri Olsa 1131556b1fb7SJiri Olsa if (evsel->unit) 1132556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 1133556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 1134556b1fb7SJiri Olsa evsel->unit, csv_sep); 1135556b1fb7SJiri Olsa 1136556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 1137556b1fb7SJiri Olsa 1138556b1fb7SJiri Olsa if (evsel->cgrp) 1139556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 1140eedfcb4bSAndi Kleen } 1141556b1fb7SJiri Olsa 114230060eaeSKan Liang static bool is_mixed_hw_group(struct perf_evsel *counter) 114330060eaeSKan Liang { 114430060eaeSKan Liang struct perf_evlist *evlist = counter->evlist; 114530060eaeSKan Liang u32 pmu_type = counter->attr.type; 114630060eaeSKan Liang struct perf_evsel *pos; 114730060eaeSKan Liang 114830060eaeSKan Liang if (counter->nr_members < 2) 114930060eaeSKan Liang return false; 115030060eaeSKan Liang 115130060eaeSKan Liang evlist__for_each_entry(evlist, pos) { 115230060eaeSKan Liang /* software events can be part of any hardware group */ 115330060eaeSKan Liang if (pos->attr.type == PERF_TYPE_SOFTWARE) 115430060eaeSKan Liang continue; 115530060eaeSKan Liang if (pmu_type == PERF_TYPE_SOFTWARE) { 115630060eaeSKan Liang pmu_type = pos->attr.type; 115730060eaeSKan Liang continue; 115830060eaeSKan Liang } 115930060eaeSKan Liang if (pmu_type != pos->attr.type) 116030060eaeSKan Liang return true; 116130060eaeSKan Liang } 116230060eaeSKan Liang 116330060eaeSKan Liang return false; 116430060eaeSKan Liang } 116530060eaeSKan Liang 1166f9483392SAndi Kleen static void printout(int id, int nr, struct perf_evsel *counter, double uval, 1167e0128b30SJin Yao char *prefix, u64 run, u64 ena, double noise, 1168e0128b30SJin Yao struct runtime_stat *st) 1169eedfcb4bSAndi Kleen { 1170140aeadcSAndi Kleen struct perf_stat_output_ctx out; 1171f9483392SAndi Kleen struct outstate os = { 1172f9483392SAndi Kleen .fh = stat_config.output, 117344d49a60SAndi Kleen .prefix = prefix ? prefix : "", 117444d49a60SAndi Kleen .id = id, 117544d49a60SAndi Kleen .nr = nr, 117644d49a60SAndi Kleen .evsel = counter, 1177f9483392SAndi Kleen }; 1178140aeadcSAndi Kleen print_metric_t pm = print_metric_std; 1179140aeadcSAndi Kleen void (*nl)(void *); 1180556b1fb7SJiri Olsa 118154b50916SAndi Kleen if (metric_only) { 118254b50916SAndi Kleen nl = new_line_metric; 118354b50916SAndi Kleen if (csv_output) 118454b50916SAndi Kleen pm = print_metric_only_csv; 118554b50916SAndi Kleen else 118654b50916SAndi Kleen pm = print_metric_only; 118754b50916SAndi Kleen } else 1188140aeadcSAndi Kleen nl = new_line_std; 1189eedfcb4bSAndi Kleen 119054b50916SAndi Kleen if (csv_output && !metric_only) { 119192a61f64SAndi Kleen static int aggr_fields[] = { 119292a61f64SAndi Kleen [AGGR_GLOBAL] = 0, 119392a61f64SAndi Kleen [AGGR_THREAD] = 1, 119492a61f64SAndi Kleen [AGGR_NONE] = 1, 119592a61f64SAndi Kleen [AGGR_SOCKET] = 2, 119692a61f64SAndi Kleen [AGGR_CORE] = 2, 119792a61f64SAndi Kleen }; 119892a61f64SAndi Kleen 119992a61f64SAndi Kleen pm = print_metric_csv; 120092a61f64SAndi Kleen nl = new_line_csv; 120192a61f64SAndi Kleen os.nfields = 3; 120292a61f64SAndi Kleen os.nfields += aggr_fields[stat_config.aggr_mode]; 120392a61f64SAndi Kleen if (counter->cgrp) 120492a61f64SAndi Kleen os.nfields++; 120592a61f64SAndi Kleen } 1206b002f3bbSAndi Kleen if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 120754b50916SAndi Kleen if (metric_only) { 120854b50916SAndi Kleen pm(&os, NULL, "", "", 0); 120954b50916SAndi Kleen return; 121054b50916SAndi Kleen } 1211cb110f47SAndi Kleen aggr_printout(counter, id, nr); 1212cb110f47SAndi Kleen 1213cb110f47SAndi Kleen fprintf(stat_config.output, "%*s%s", 1214cb110f47SAndi Kleen csv_output ? 0 : 18, 1215cb110f47SAndi Kleen counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 1216cb110f47SAndi Kleen csv_sep); 1217cb110f47SAndi Kleen 121830060eaeSKan Liang if (counter->supported) { 121902d492e5SBorislav Petkov print_free_counters_hint = 1; 122030060eaeSKan Liang if (is_mixed_hw_group(counter)) 122130060eaeSKan Liang print_mixed_hw_group_error = 1; 122230060eaeSKan Liang } 122302d492e5SBorislav Petkov 1224cb110f47SAndi Kleen fprintf(stat_config.output, "%-*s%s", 1225cb110f47SAndi Kleen csv_output ? 0 : unit_width, 1226cb110f47SAndi Kleen counter->unit, csv_sep); 1227cb110f47SAndi Kleen 1228cb110f47SAndi Kleen fprintf(stat_config.output, "%*s", 1229cb110f47SAndi Kleen csv_output ? 0 : -25, 1230cb110f47SAndi Kleen perf_evsel__name(counter)); 1231cb110f47SAndi Kleen 1232cb110f47SAndi Kleen if (counter->cgrp) 1233cb110f47SAndi Kleen fprintf(stat_config.output, "%s%s", 1234cb110f47SAndi Kleen csv_sep, counter->cgrp->name); 1235cb110f47SAndi Kleen 123692a61f64SAndi Kleen if (!csv_output) 123792a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 123892a61f64SAndi Kleen print_noise(counter, noise); 1239cb110f47SAndi Kleen print_running(run, ena); 124092a61f64SAndi Kleen if (csv_output) 124192a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 1242cb110f47SAndi Kleen return; 1243cb110f47SAndi Kleen } 1244cb110f47SAndi Kleen 124554b50916SAndi Kleen if (metric_only) 124654b50916SAndi Kleen /* nothing */; 124754b50916SAndi Kleen else if (nsec_counter(counter)) 1248eedfcb4bSAndi Kleen nsec_printout(id, nr, counter, uval); 1249eedfcb4bSAndi Kleen else 1250eedfcb4bSAndi Kleen abs_printout(id, nr, counter, uval); 1251eedfcb4bSAndi Kleen 1252140aeadcSAndi Kleen out.print_metric = pm; 1253140aeadcSAndi Kleen out.new_line = nl; 1254140aeadcSAndi Kleen out.ctx = &os; 125537932c18SAndi Kleen out.force_header = false; 1256140aeadcSAndi Kleen 125754b50916SAndi Kleen if (csv_output && !metric_only) { 125892a61f64SAndi Kleen print_noise(counter, noise); 125992a61f64SAndi Kleen print_running(run, ena); 126092a61f64SAndi Kleen } 126192a61f64SAndi Kleen 1262140aeadcSAndi Kleen perf_stat__print_shadow_stats(counter, uval, 126344d49a60SAndi Kleen first_shadow_cpu(counter, id), 1264e0128b30SJin Yao &out, &metric_events, st); 126554b50916SAndi Kleen if (!csv_output && !metric_only) { 1266cb110f47SAndi Kleen print_noise(counter, noise); 1267cb110f47SAndi Kleen print_running(run, ena); 1268556b1fb7SJiri Olsa } 126992a61f64SAndi Kleen } 1270556b1fb7SJiri Olsa 127144d49a60SAndi Kleen static void aggr_update_shadow(void) 127244d49a60SAndi Kleen { 127344d49a60SAndi Kleen int cpu, s2, id, s; 127444d49a60SAndi Kleen u64 val; 127544d49a60SAndi Kleen struct perf_evsel *counter; 127644d49a60SAndi Kleen 127744d49a60SAndi Kleen for (s = 0; s < aggr_map->nr; s++) { 127844d49a60SAndi Kleen id = aggr_map->map[s]; 1279e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 128044d49a60SAndi Kleen val = 0; 128144d49a60SAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 128244d49a60SAndi Kleen s2 = aggr_get_id(evsel_list->cpus, cpu); 128344d49a60SAndi Kleen if (s2 != id) 128444d49a60SAndi Kleen continue; 128544d49a60SAndi Kleen val += perf_counts(counter->counts, cpu, 0)->val; 128644d49a60SAndi Kleen } 128754830dd0SJiri Olsa perf_stat__update_shadow_stats(counter, val, 12881fcd0394SJin Yao first_shadow_cpu(counter, id), 12891fcd0394SJin Yao &rt_stat); 129044d49a60SAndi Kleen } 129144d49a60SAndi Kleen } 129244d49a60SAndi Kleen } 129344d49a60SAndi Kleen 12948c5421c0SAgustin Vega-Frias static void uniquify_event_name(struct perf_evsel *counter) 12958c5421c0SAgustin Vega-Frias { 12968c5421c0SAgustin Vega-Frias char *new_name; 12978c5421c0SAgustin Vega-Frias char *config; 12988c5421c0SAgustin Vega-Frias 129980ee8c58SKan Liang if (counter->uniquified_name || 130080ee8c58SKan Liang !counter->pmu_name || !strncmp(counter->name, counter->pmu_name, 13018c5421c0SAgustin Vega-Frias strlen(counter->pmu_name))) 13028c5421c0SAgustin Vega-Frias return; 13038c5421c0SAgustin Vega-Frias 13048c5421c0SAgustin Vega-Frias config = strchr(counter->name, '/'); 13058c5421c0SAgustin Vega-Frias if (config) { 13068c5421c0SAgustin Vega-Frias if (asprintf(&new_name, 13078c5421c0SAgustin Vega-Frias "%s%s", counter->pmu_name, config) > 0) { 13088c5421c0SAgustin Vega-Frias free(counter->name); 13098c5421c0SAgustin Vega-Frias counter->name = new_name; 13108c5421c0SAgustin Vega-Frias } 13118c5421c0SAgustin Vega-Frias } else { 13128c5421c0SAgustin Vega-Frias if (asprintf(&new_name, 13138c5421c0SAgustin Vega-Frias "%s [%s]", counter->name, counter->pmu_name) > 0) { 13148c5421c0SAgustin Vega-Frias free(counter->name); 13158c5421c0SAgustin Vega-Frias counter->name = new_name; 13168c5421c0SAgustin Vega-Frias } 13178c5421c0SAgustin Vega-Frias } 131880ee8c58SKan Liang 131980ee8c58SKan Liang counter->uniquified_name = true; 13208c5421c0SAgustin Vega-Frias } 13218c5421c0SAgustin Vega-Frias 1322430daf2dSAndi Kleen static void collect_all_aliases(struct perf_evsel *counter, 1323fbe51fbaSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1324fbe51fbaSAndi Kleen bool first), 1325fbe51fbaSAndi Kleen void *data) 1326fbe51fbaSAndi Kleen { 1327430daf2dSAndi Kleen struct perf_evsel *alias; 1328430daf2dSAndi Kleen 1329430daf2dSAndi Kleen alias = list_prepare_entry(counter, &(evsel_list->entries), node); 1330430daf2dSAndi Kleen list_for_each_entry_continue (alias, &evsel_list->entries, node) { 1331430daf2dSAndi Kleen if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) || 1332430daf2dSAndi Kleen alias->scale != counter->scale || 1333430daf2dSAndi Kleen alias->cgrp != counter->cgrp || 1334430daf2dSAndi Kleen strcmp(alias->unit, counter->unit) || 1335430daf2dSAndi Kleen nsec_counter(alias) != nsec_counter(counter)) 1336430daf2dSAndi Kleen break; 1337430daf2dSAndi Kleen alias->merged_stat = true; 1338430daf2dSAndi Kleen cb(alias, data, false); 1339430daf2dSAndi Kleen } 1340430daf2dSAndi Kleen } 1341430daf2dSAndi Kleen 1342430daf2dSAndi Kleen static bool collect_data(struct perf_evsel *counter, 1343430daf2dSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1344430daf2dSAndi Kleen bool first), 1345430daf2dSAndi Kleen void *data) 1346430daf2dSAndi Kleen { 1347430daf2dSAndi Kleen if (counter->merged_stat) 1348430daf2dSAndi Kleen return false; 1349fbe51fbaSAndi Kleen cb(counter, data, true); 13508c5421c0SAgustin Vega-Frias if (no_merge) 13518c5421c0SAgustin Vega-Frias uniquify_event_name(counter); 13528c5421c0SAgustin Vega-Frias else if (counter->auto_merge_stats) 1353430daf2dSAndi Kleen collect_all_aliases(counter, cb, data); 1354430daf2dSAndi Kleen return true; 1355fbe51fbaSAndi Kleen } 1356fbe51fbaSAndi Kleen 1357fbe51fbaSAndi Kleen struct aggr_data { 1358fbe51fbaSAndi Kleen u64 ena, run, val; 1359fbe51fbaSAndi Kleen int id; 1360fbe51fbaSAndi Kleen int nr; 1361fbe51fbaSAndi Kleen int cpu; 1362fbe51fbaSAndi Kleen }; 1363fbe51fbaSAndi Kleen 1364fbe51fbaSAndi Kleen static void aggr_cb(struct perf_evsel *counter, void *data, bool first) 1365fbe51fbaSAndi Kleen { 1366fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1367fbe51fbaSAndi Kleen int cpu, s2; 1368fbe51fbaSAndi Kleen 1369fbe51fbaSAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1370fbe51fbaSAndi Kleen struct perf_counts_values *counts; 1371fbe51fbaSAndi Kleen 1372fbe51fbaSAndi Kleen s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); 1373fbe51fbaSAndi Kleen if (s2 != ad->id) 1374fbe51fbaSAndi Kleen continue; 1375fbe51fbaSAndi Kleen if (first) 1376fbe51fbaSAndi Kleen ad->nr++; 1377fbe51fbaSAndi Kleen counts = perf_counts(counter->counts, cpu, 0); 1378b4229e9dSAndi Kleen /* 1379b4229e9dSAndi Kleen * When any result is bad, make them all to give 1380b4229e9dSAndi Kleen * consistent output in interval mode. 1381b4229e9dSAndi Kleen */ 1382b4229e9dSAndi Kleen if (counts->ena == 0 || counts->run == 0 || 1383b4229e9dSAndi Kleen counter->counts->scaled == -1) { 1384b4229e9dSAndi Kleen ad->ena = 0; 1385b4229e9dSAndi Kleen ad->run = 0; 1386b4229e9dSAndi Kleen break; 1387b4229e9dSAndi Kleen } 1388fbe51fbaSAndi Kleen ad->val += counts->val; 1389fbe51fbaSAndi Kleen ad->ena += counts->ena; 1390fbe51fbaSAndi Kleen ad->run += counts->run; 1391fbe51fbaSAndi Kleen } 1392fbe51fbaSAndi Kleen } 1393fbe51fbaSAndi Kleen 139486ee6e18SStephane Eranian static void print_aggr(char *prefix) 1395d7e7a451SStephane Eranian { 13965821522eSJiri Olsa FILE *output = stat_config.output; 1397d7e7a451SStephane Eranian struct perf_evsel *counter; 1398fbe51fbaSAndi Kleen int s, id, nr; 1399410136f5SStephane Eranian double uval; 1400d7e7a451SStephane Eranian u64 ena, run, val; 140154b50916SAndi Kleen bool first; 1402d7e7a451SStephane Eranian 140386ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 1404d7e7a451SStephane Eranian return; 1405d7e7a451SStephane Eranian 140644d49a60SAndi Kleen aggr_update_shadow(); 140744d49a60SAndi Kleen 140854b50916SAndi Kleen /* 140954b50916SAndi Kleen * With metric_only everything is on a single line. 141054b50916SAndi Kleen * Without each counter has its own line. 141154b50916SAndi Kleen */ 141286ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 1413fbe51fbaSAndi Kleen struct aggr_data ad; 141454b50916SAndi Kleen if (prefix && metric_only) 141554b50916SAndi Kleen fprintf(output, "%s", prefix); 141654b50916SAndi Kleen 1417fbe51fbaSAndi Kleen ad.id = id = aggr_map->map[s]; 141854b50916SAndi Kleen first = true; 1419e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1420e864c5caSAndi Kleen if (is_duration_time(counter)) 1421e864c5caSAndi Kleen continue; 1422e864c5caSAndi Kleen 1423fbe51fbaSAndi Kleen ad.val = ad.ena = ad.run = 0; 1424fbe51fbaSAndi Kleen ad.nr = 0; 1425430daf2dSAndi Kleen if (!collect_data(counter, aggr_cb, &ad)) 1426430daf2dSAndi Kleen continue; 1427fbe51fbaSAndi Kleen nr = ad.nr; 1428fbe51fbaSAndi Kleen ena = ad.ena; 1429fbe51fbaSAndi Kleen run = ad.run; 1430fbe51fbaSAndi Kleen val = ad.val; 143154b50916SAndi Kleen if (first && metric_only) { 143254b50916SAndi Kleen first = false; 143354b50916SAndi Kleen aggr_printout(counter, id, nr); 143454b50916SAndi Kleen } 143554b50916SAndi Kleen if (prefix && !metric_only) 1436d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 1437d7e7a451SStephane Eranian 1438410136f5SStephane Eranian uval = val * counter->scale; 1439e0128b30SJin Yao printout(id, nr, counter, uval, prefix, run, ena, 1.0, 1440e0128b30SJin Yao &rt_stat); 144154b50916SAndi Kleen if (!metric_only) 1442d7e7a451SStephane Eranian fputc('\n', output); 1443d7e7a451SStephane Eranian } 144454b50916SAndi Kleen if (metric_only) 144554b50916SAndi Kleen fputc('\n', output); 1446d7e7a451SStephane Eranian } 1447d7e7a451SStephane Eranian } 1448d7e7a451SStephane Eranian 144929734550SJin Yao static int cmp_val(const void *a, const void *b) 145032b8af82SJiri Olsa { 145129734550SJin Yao return ((struct perf_aggr_thread_value *)b)->val - 145229734550SJin Yao ((struct perf_aggr_thread_value *)a)->val; 145329734550SJin Yao } 145429734550SJin Yao 145529734550SJin Yao static struct perf_aggr_thread_value *sort_aggr_thread( 145629734550SJin Yao struct perf_evsel *counter, 145729734550SJin Yao int nthreads, int ncpus, 145829734550SJin Yao int *ret) 145929734550SJin Yao { 146029734550SJin Yao int cpu, thread, i = 0; 146132b8af82SJiri Olsa double uval; 146229734550SJin Yao struct perf_aggr_thread_value *buf; 146329734550SJin Yao 146429734550SJin Yao buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value)); 146529734550SJin Yao if (!buf) 146629734550SJin Yao return NULL; 146732b8af82SJiri Olsa 146832b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 146932b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 147032b8af82SJiri Olsa 147132b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 147232b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 147332b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 147432b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 147532b8af82SJiri Olsa } 147632b8af82SJiri Olsa 147729734550SJin Yao uval = val * counter->scale; 147829734550SJin Yao 147929734550SJin Yao /* 148029734550SJin Yao * Skip value 0 when enabling --per-thread globally, 148129734550SJin Yao * otherwise too many 0 output. 148229734550SJin Yao */ 148329734550SJin Yao if (uval == 0.0 && target__has_per_thread(&target)) 148429734550SJin Yao continue; 148529734550SJin Yao 148629734550SJin Yao buf[i].counter = counter; 148729734550SJin Yao buf[i].id = thread; 148829734550SJin Yao buf[i].uval = uval; 148929734550SJin Yao buf[i].val = val; 149029734550SJin Yao buf[i].run = run; 149129734550SJin Yao buf[i].ena = ena; 149229734550SJin Yao i++; 149329734550SJin Yao } 149429734550SJin Yao 149529734550SJin Yao qsort(buf, i, sizeof(struct perf_aggr_thread_value), cmp_val); 149629734550SJin Yao 149729734550SJin Yao if (ret) 149829734550SJin Yao *ret = i; 149929734550SJin Yao 150029734550SJin Yao return buf; 150129734550SJin Yao } 150229734550SJin Yao 150329734550SJin Yao static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 150429734550SJin Yao { 150529734550SJin Yao FILE *output = stat_config.output; 150629734550SJin Yao int nthreads = thread_map__nr(counter->threads); 150729734550SJin Yao int ncpus = cpu_map__nr(counter->cpus); 150829734550SJin Yao int thread, sorted_threads, id; 150929734550SJin Yao struct perf_aggr_thread_value *buf; 151029734550SJin Yao 151129734550SJin Yao buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads); 151229734550SJin Yao if (!buf) { 151329734550SJin Yao perror("cannot sort aggr thread"); 151429734550SJin Yao return; 151529734550SJin Yao } 151629734550SJin Yao 151729734550SJin Yao for (thread = 0; thread < sorted_threads; thread++) { 151832b8af82SJiri Olsa if (prefix) 151932b8af82SJiri Olsa fprintf(output, "%s", prefix); 152032b8af82SJiri Olsa 152129734550SJin Yao id = buf[thread].id; 152214e72a21SJin Yao if (stat_config.stats) 152329734550SJin Yao printout(id, 0, buf[thread].counter, buf[thread].uval, 152429734550SJin Yao prefix, buf[thread].run, buf[thread].ena, 1.0, 152529734550SJin Yao &stat_config.stats[id]); 152614e72a21SJin Yao else 152729734550SJin Yao printout(id, 0, buf[thread].counter, buf[thread].uval, 152829734550SJin Yao prefix, buf[thread].run, buf[thread].ena, 1.0, 152929734550SJin Yao &rt_stat); 153032b8af82SJiri Olsa fputc('\n', output); 153132b8af82SJiri Olsa } 153229734550SJin Yao 153329734550SJin Yao free(buf); 153432b8af82SJiri Olsa } 153532b8af82SJiri Olsa 1536fbe51fbaSAndi Kleen struct caggr_data { 1537fbe51fbaSAndi Kleen double avg, avg_enabled, avg_running; 1538fbe51fbaSAndi Kleen }; 1539fbe51fbaSAndi Kleen 1540fbe51fbaSAndi Kleen static void counter_aggr_cb(struct perf_evsel *counter, void *data, 1541fbe51fbaSAndi Kleen bool first __maybe_unused) 1542fbe51fbaSAndi Kleen { 1543fbe51fbaSAndi Kleen struct caggr_data *cd = data; 1544e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = counter->stats; 1545fbe51fbaSAndi Kleen 1546fbe51fbaSAndi Kleen cd->avg += avg_stats(&ps->res_stats[0]); 1547fbe51fbaSAndi Kleen cd->avg_enabled += avg_stats(&ps->res_stats[1]); 1548fbe51fbaSAndi Kleen cd->avg_running += avg_stats(&ps->res_stats[2]); 1549fbe51fbaSAndi Kleen } 1550fbe51fbaSAndi Kleen 155142202dd5SIngo Molnar /* 155242202dd5SIngo Molnar * Print out the results of a single counter: 1553f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 155442202dd5SIngo Molnar */ 155513370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 155642202dd5SIngo Molnar { 15575821522eSJiri Olsa FILE *output = stat_config.output; 1558410136f5SStephane Eranian double uval; 1559fbe51fbaSAndi Kleen struct caggr_data cd = { .avg = 0.0 }; 1560d73515c0SAndi Kleen 1561430daf2dSAndi Kleen if (!collect_data(counter, counter_aggr_cb, &cd)) 1562430daf2dSAndi Kleen return; 156342202dd5SIngo Molnar 156454b50916SAndi Kleen if (prefix && !metric_only) 156513370a9bSStephane Eranian fprintf(output, "%s", prefix); 156613370a9bSStephane Eranian 1567fbe51fbaSAndi Kleen uval = cd.avg * counter->scale; 1568e0128b30SJin Yao printout(-1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled, 1569e0128b30SJin Yao cd.avg, &rt_stat); 157054b50916SAndi Kleen if (!metric_only) 15714aa9015fSStephane Eranian fprintf(output, "\n"); 157242202dd5SIngo Molnar } 157342202dd5SIngo Molnar 1574fbe51fbaSAndi Kleen static void counter_cb(struct perf_evsel *counter, void *data, 1575fbe51fbaSAndi Kleen bool first __maybe_unused) 1576fbe51fbaSAndi Kleen { 1577fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1578fbe51fbaSAndi Kleen 1579fbe51fbaSAndi Kleen ad->val += perf_counts(counter->counts, ad->cpu, 0)->val; 1580fbe51fbaSAndi Kleen ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena; 1581fbe51fbaSAndi Kleen ad->run += perf_counts(counter->counts, ad->cpu, 0)->run; 1582fbe51fbaSAndi Kleen } 1583fbe51fbaSAndi Kleen 1584f5b4a9c3SStephane Eranian /* 1585f5b4a9c3SStephane Eranian * Print out the results of a single counter: 1586f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 1587f5b4a9c3SStephane Eranian */ 158813370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 1589f5b4a9c3SStephane Eranian { 15905821522eSJiri Olsa FILE *output = stat_config.output; 1591f5b4a9c3SStephane Eranian u64 ena, run, val; 1592410136f5SStephane Eranian double uval; 1593f5b4a9c3SStephane Eranian int cpu; 1594f5b4a9c3SStephane Eranian 15957ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1596fbe51fbaSAndi Kleen struct aggr_data ad = { .cpu = cpu }; 1597fbe51fbaSAndi Kleen 1598430daf2dSAndi Kleen if (!collect_data(counter, counter_cb, &ad)) 1599430daf2dSAndi Kleen return; 1600fbe51fbaSAndi Kleen val = ad.val; 1601fbe51fbaSAndi Kleen ena = ad.ena; 1602fbe51fbaSAndi Kleen run = ad.run; 160313370a9bSStephane Eranian 160413370a9bSStephane Eranian if (prefix) 160513370a9bSStephane Eranian fprintf(output, "%s", prefix); 160613370a9bSStephane Eranian 1607410136f5SStephane Eranian uval = val * counter->scale; 1608e0128b30SJin Yao printout(cpu, 0, counter, uval, prefix, run, ena, 1.0, 1609e0128b30SJin Yao &rt_stat); 1610f5b4a9c3SStephane Eranian 16114aa9015fSStephane Eranian fputc('\n', output); 1612f5b4a9c3SStephane Eranian } 1613f5b4a9c3SStephane Eranian } 1614f5b4a9c3SStephane Eranian 1615206cab65SAndi Kleen static void print_no_aggr_metric(char *prefix) 1616206cab65SAndi Kleen { 1617206cab65SAndi Kleen int cpu; 1618206cab65SAndi Kleen int nrcpus = 0; 1619206cab65SAndi Kleen struct perf_evsel *counter; 1620206cab65SAndi Kleen u64 ena, run, val; 1621206cab65SAndi Kleen double uval; 1622206cab65SAndi Kleen 1623206cab65SAndi Kleen nrcpus = evsel_list->cpus->nr; 1624206cab65SAndi Kleen for (cpu = 0; cpu < nrcpus; cpu++) { 1625206cab65SAndi Kleen bool first = true; 1626206cab65SAndi Kleen 1627206cab65SAndi Kleen if (prefix) 1628206cab65SAndi Kleen fputs(prefix, stat_config.output); 1629e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1630e864c5caSAndi Kleen if (is_duration_time(counter)) 1631e864c5caSAndi Kleen continue; 1632206cab65SAndi Kleen if (first) { 1633206cab65SAndi Kleen aggr_printout(counter, cpu, 0); 1634206cab65SAndi Kleen first = false; 1635206cab65SAndi Kleen } 1636206cab65SAndi Kleen val = perf_counts(counter->counts, cpu, 0)->val; 1637206cab65SAndi Kleen ena = perf_counts(counter->counts, cpu, 0)->ena; 1638206cab65SAndi Kleen run = perf_counts(counter->counts, cpu, 0)->run; 1639206cab65SAndi Kleen 1640206cab65SAndi Kleen uval = val * counter->scale; 1641e0128b30SJin Yao printout(cpu, 0, counter, uval, prefix, run, ena, 1.0, 1642e0128b30SJin Yao &rt_stat); 1643206cab65SAndi Kleen } 1644206cab65SAndi Kleen fputc('\n', stat_config.output); 1645206cab65SAndi Kleen } 1646206cab65SAndi Kleen } 1647206cab65SAndi Kleen 164854b50916SAndi Kleen static int aggr_header_lens[] = { 164954b50916SAndi Kleen [AGGR_CORE] = 18, 165054b50916SAndi Kleen [AGGR_SOCKET] = 12, 1651206cab65SAndi Kleen [AGGR_NONE] = 6, 165254b50916SAndi Kleen [AGGR_THREAD] = 24, 165354b50916SAndi Kleen [AGGR_GLOBAL] = 0, 165454b50916SAndi Kleen }; 165554b50916SAndi Kleen 1656c51fd639SAndi Kleen static const char *aggr_header_csv[] = { 1657c51fd639SAndi Kleen [AGGR_CORE] = "core,cpus,", 1658c51fd639SAndi Kleen [AGGR_SOCKET] = "socket,cpus", 1659c51fd639SAndi Kleen [AGGR_NONE] = "cpu,", 1660c51fd639SAndi Kleen [AGGR_THREAD] = "comm-pid,", 1661c51fd639SAndi Kleen [AGGR_GLOBAL] = "" 1662c51fd639SAndi Kleen }; 1663c51fd639SAndi Kleen 166441c8ca2aSAndi Kleen static void print_metric_headers(const char *prefix, bool no_indent) 166554b50916SAndi Kleen { 166654b50916SAndi Kleen struct perf_stat_output_ctx out; 166754b50916SAndi Kleen struct perf_evsel *counter; 166854b50916SAndi Kleen struct outstate os = { 166954b50916SAndi Kleen .fh = stat_config.output 167054b50916SAndi Kleen }; 167154b50916SAndi Kleen 167254b50916SAndi Kleen if (prefix) 167354b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 167454b50916SAndi Kleen 167541c8ca2aSAndi Kleen if (!csv_output && !no_indent) 167654b50916SAndi Kleen fprintf(stat_config.output, "%*s", 167754b50916SAndi Kleen aggr_header_lens[stat_config.aggr_mode], ""); 1678c51fd639SAndi Kleen if (csv_output) { 1679c51fd639SAndi Kleen if (stat_config.interval) 1680c51fd639SAndi Kleen fputs("time,", stat_config.output); 1681c51fd639SAndi Kleen fputs(aggr_header_csv[stat_config.aggr_mode], 1682c51fd639SAndi Kleen stat_config.output); 1683c51fd639SAndi Kleen } 168454b50916SAndi Kleen 168554b50916SAndi Kleen /* Print metrics headers only */ 1686e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1687e864c5caSAndi Kleen if (is_duration_time(counter)) 1688e864c5caSAndi Kleen continue; 168954b50916SAndi Kleen os.evsel = counter; 169054b50916SAndi Kleen out.ctx = &os; 169154b50916SAndi Kleen out.print_metric = print_metric_header; 169254b50916SAndi Kleen out.new_line = new_line_metric; 169337932c18SAndi Kleen out.force_header = true; 169454b50916SAndi Kleen os.evsel = counter; 169554b50916SAndi Kleen perf_stat__print_shadow_stats(counter, 0, 169654b50916SAndi Kleen 0, 1697b18f3e36SAndi Kleen &out, 1698e0128b30SJin Yao &metric_events, 1699e0128b30SJin Yao &rt_stat); 170054b50916SAndi Kleen } 170154b50916SAndi Kleen fputc('\n', stat_config.output); 170254b50916SAndi Kleen } 170354b50916SAndi Kleen 1704d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 170542202dd5SIngo Molnar { 17065821522eSJiri Olsa FILE *output = stat_config.output; 1707d4f63a47SJiri Olsa static int num_print_interval; 1708d4f63a47SJiri Olsa 17099660e08eSJiri Olsa if (interval_clear) 17109660e08eSJiri Olsa puts(CONSOLE_CLEAR); 17119660e08eSJiri Olsa 1712d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 1713d4f63a47SJiri Olsa 17149660e08eSJiri Olsa if ((num_print_interval == 0 && !csv_output) || interval_clear) { 1715421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1716d4f63a47SJiri Olsa case AGGR_SOCKET: 171741c8ca2aSAndi Kleen fprintf(output, "# time socket cpus"); 171841c8ca2aSAndi Kleen if (!metric_only) 171941c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1720d4f63a47SJiri Olsa break; 1721d4f63a47SJiri Olsa case AGGR_CORE: 172241c8ca2aSAndi Kleen fprintf(output, "# time core cpus"); 172341c8ca2aSAndi Kleen if (!metric_only) 172441c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1725d4f63a47SJiri Olsa break; 1726d4f63a47SJiri Olsa case AGGR_NONE: 172741c8ca2aSAndi Kleen fprintf(output, "# time CPU"); 172841c8ca2aSAndi Kleen if (!metric_only) 172941c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1730d4f63a47SJiri Olsa break; 173132b8af82SJiri Olsa case AGGR_THREAD: 173241c8ca2aSAndi Kleen fprintf(output, "# time comm-pid"); 173341c8ca2aSAndi Kleen if (!metric_only) 173441c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 173532b8af82SJiri Olsa break; 1736d4f63a47SJiri Olsa case AGGR_GLOBAL: 1737d4f63a47SJiri Olsa default: 173841c8ca2aSAndi Kleen fprintf(output, "# time"); 173941c8ca2aSAndi Kleen if (!metric_only) 174041c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1741208df99eSJiri Olsa case AGGR_UNSET: 1742208df99eSJiri Olsa break; 1743d4f63a47SJiri Olsa } 1744d4f63a47SJiri Olsa } 1745d4f63a47SJiri Olsa 17469660e08eSJiri Olsa if ((num_print_interval == 0 && metric_only) || interval_clear) 174741c8ca2aSAndi Kleen print_metric_headers(" ", true); 1748d4f63a47SJiri Olsa if (++num_print_interval == 25) 1749d4f63a47SJiri Olsa num_print_interval = 0; 1750d4f63a47SJiri Olsa } 1751d4f63a47SJiri Olsa 1752d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 1753d4f63a47SJiri Olsa { 17545821522eSJiri Olsa FILE *output = stat_config.output; 175569aad6f1SArnaldo Carvalho de Melo int i; 175642202dd5SIngo Molnar 175786470930SIngo Molnar fflush(stdout); 175886470930SIngo Molnar 1759d7470b6aSStephane Eranian if (!csv_output) { 17604aa9015fSStephane Eranian fprintf(output, "\n"); 17614aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 176262d3b617SDavid Ahern if (target.system_wide) 176362d3b617SDavid Ahern fprintf(output, "\'system wide"); 176462d3b617SDavid Ahern else if (target.cpu_list) 176562d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 1766602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 1767ba6039b6SJiri Olsa fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1768ba6039b6SJiri Olsa for (i = 1; argv && (i < argc); i++) 17694aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 177020f946b4SNamhyung Kim } else if (target.pid) 177120f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 1772d6d901c2SZhang, Yanmin else 177320f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 177486470930SIngo Molnar 17754aa9015fSStephane Eranian fprintf(output, "\'"); 177642202dd5SIngo Molnar if (run_count > 1) 17774aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 17784aa9015fSStephane Eranian fprintf(output, ":\n\n"); 1779d7470b6aSStephane Eranian } 1780f5b4a9c3SStephane Eranian } 178186470930SIngo Molnar 1782bc22de9bSJiri Olsa static int get_precision(double num) 1783bc22de9bSJiri Olsa { 1784bc22de9bSJiri Olsa if (num > 1) 1785bc22de9bSJiri Olsa return 0; 1786bc22de9bSJiri Olsa 1787bc22de9bSJiri Olsa return lround(ceil(-log10(num))); 1788bc22de9bSJiri Olsa } 1789bc22de9bSJiri Olsa 1790e55c14afSJiri Olsa static void print_table(FILE *output, int precision, double avg) 1791e55c14afSJiri Olsa { 1792e55c14afSJiri Olsa char tmp[64]; 1793e55c14afSJiri Olsa int idx, indent = 0; 1794e55c14afSJiri Olsa 1795e55c14afSJiri Olsa scnprintf(tmp, 64, " %17.*f", precision, avg); 1796e55c14afSJiri Olsa while (tmp[indent] == ' ') 1797e55c14afSJiri Olsa indent++; 1798e55c14afSJiri Olsa 1799e55c14afSJiri Olsa fprintf(output, "%*s# Table of individual measurements:\n", indent, ""); 1800e55c14afSJiri Olsa 1801e55c14afSJiri Olsa for (idx = 0; idx < run_count; idx++) { 1802e55c14afSJiri Olsa double run = (double) walltime_run[idx] / NSEC_PER_SEC; 1803abc60badSJiri Olsa int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5); 1804e55c14afSJiri Olsa 1805abc60badSJiri Olsa fprintf(output, " %17.*f (%+.*f) ", 1806e55c14afSJiri Olsa precision, run, precision, run - avg); 1807abc60badSJiri Olsa 1808abc60badSJiri Olsa for (h = 0; h < n; h++) 1809abc60badSJiri Olsa fprintf(output, "#"); 1810abc60badSJiri Olsa 1811abc60badSJiri Olsa fprintf(output, "\n"); 1812e55c14afSJiri Olsa } 1813e55c14afSJiri Olsa 1814e55c14afSJiri Olsa fprintf(output, "\n%*s# Final result:\n", indent, ""); 1815e55c14afSJiri Olsa } 1816e55c14afSJiri Olsa 18170ce2da14SJiri Olsa static double timeval2double(struct timeval *t) 18180ce2da14SJiri Olsa { 18190ce2da14SJiri Olsa return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC; 18200ce2da14SJiri Olsa } 18210ce2da14SJiri Olsa 1822d4f63a47SJiri Olsa static void print_footer(void) 1823d4f63a47SJiri Olsa { 1824bc22de9bSJiri Olsa double avg = avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC; 18255821522eSJiri Olsa FILE *output = stat_config.output; 1826918c7b06SAndi Kleen int n; 18275821522eSJiri Olsa 1828c3305257SIngo Molnar if (!null_run) 18294aa9015fSStephane Eranian fprintf(output, "\n"); 1830bc22de9bSJiri Olsa 1831bc22de9bSJiri Olsa if (run_count == 1) { 1832bc22de9bSJiri Olsa fprintf(output, " %17.9f seconds time elapsed", avg); 18330ce2da14SJiri Olsa 18340ce2da14SJiri Olsa if (ru_display) { 18350ce2da14SJiri Olsa double ru_utime = timeval2double(&ru_data.ru_utime); 18360ce2da14SJiri Olsa double ru_stime = timeval2double(&ru_data.ru_stime); 18370ce2da14SJiri Olsa 18380ce2da14SJiri Olsa fprintf(output, "\n\n"); 18390ce2da14SJiri Olsa fprintf(output, " %17.9f seconds user\n", ru_utime); 18400ce2da14SJiri Olsa fprintf(output, " %17.9f seconds sys\n", ru_stime); 18410ce2da14SJiri Olsa } 1842bc22de9bSJiri Olsa } else { 1843bc22de9bSJiri Olsa double sd = stddev_stats(&walltime_nsecs_stats) / NSEC_PER_SEC; 1844bc22de9bSJiri Olsa /* 1845bc22de9bSJiri Olsa * Display at most 2 more significant 1846bc22de9bSJiri Olsa * digits than the stddev inaccuracy. 1847bc22de9bSJiri Olsa */ 1848bc22de9bSJiri Olsa int precision = get_precision(sd) + 2; 1849bc22de9bSJiri Olsa 1850e55c14afSJiri Olsa if (walltime_run_table) 1851e55c14afSJiri Olsa print_table(output, precision, avg); 1852e55c14afSJiri Olsa 1853bc22de9bSJiri Olsa fprintf(output, " %17.*f +- %.*f seconds time elapsed", 1854bc22de9bSJiri Olsa precision, avg, precision, sd); 1855bc22de9bSJiri Olsa 1856bc22de9bSJiri Olsa print_noise_pct(sd, avg); 1857566747e6SIngo Molnar } 18584aa9015fSStephane Eranian fprintf(output, "\n\n"); 185902d492e5SBorislav Petkov 1860918c7b06SAndi Kleen if (print_free_counters_hint && 1861918c7b06SAndi Kleen sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 && 1862918c7b06SAndi Kleen n > 0) 186302d492e5SBorislav Petkov fprintf(output, 186402d492e5SBorislav Petkov "Some events weren't counted. Try disabling the NMI watchdog:\n" 186502d492e5SBorislav Petkov " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 186602d492e5SBorislav Petkov " perf stat ...\n" 186702d492e5SBorislav Petkov " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 186830060eaeSKan Liang 186930060eaeSKan Liang if (print_mixed_hw_group_error) 187030060eaeSKan Liang fprintf(output, 187130060eaeSKan Liang "The events in group usually have to be from " 187230060eaeSKan Liang "the same PMU. Try reorganizing the group.\n"); 187386470930SIngo Molnar } 1874d4f63a47SJiri Olsa 1875d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1876d4f63a47SJiri Olsa { 1877ec0d3d1fSJiri Olsa int interval = stat_config.interval; 1878d4f63a47SJiri Olsa struct perf_evsel *counter; 1879d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 1880d4f63a47SJiri Olsa 1881664c98d4SJiri Olsa /* Do not print anything if we record to the pipe. */ 18828ceb41d7SJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 1883664c98d4SJiri Olsa return; 1884664c98d4SJiri Olsa 1885d4f63a47SJiri Olsa if (interval) 1886d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 1887d4f63a47SJiri Olsa else 1888d4f63a47SJiri Olsa print_header(argc, argv); 1889d4f63a47SJiri Olsa 189054b50916SAndi Kleen if (metric_only) { 189154b50916SAndi Kleen static int num_print_iv; 189254b50916SAndi Kleen 189341c8ca2aSAndi Kleen if (num_print_iv == 0 && !interval) 189441c8ca2aSAndi Kleen print_metric_headers(prefix, false); 189554b50916SAndi Kleen if (num_print_iv++ == 25) 189654b50916SAndi Kleen num_print_iv = 0; 189754b50916SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) 189854b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 189954b50916SAndi Kleen } 190054b50916SAndi Kleen 1901421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1902d4f63a47SJiri Olsa case AGGR_CORE: 1903d4f63a47SJiri Olsa case AGGR_SOCKET: 1904d4f63a47SJiri Olsa print_aggr(prefix); 1905d4f63a47SJiri Olsa break; 190632b8af82SJiri Olsa case AGGR_THREAD: 1907e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1908e864c5caSAndi Kleen if (is_duration_time(counter)) 1909e864c5caSAndi Kleen continue; 191032b8af82SJiri Olsa print_aggr_thread(counter, prefix); 1911e864c5caSAndi Kleen } 191232b8af82SJiri Olsa break; 1913d4f63a47SJiri Olsa case AGGR_GLOBAL: 1914e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1915e864c5caSAndi Kleen if (is_duration_time(counter)) 1916e864c5caSAndi Kleen continue; 1917d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 1918e864c5caSAndi Kleen } 191954b50916SAndi Kleen if (metric_only) 192054b50916SAndi Kleen fputc('\n', stat_config.output); 1921d4f63a47SJiri Olsa break; 1922d4f63a47SJiri Olsa case AGGR_NONE: 1923206cab65SAndi Kleen if (metric_only) 1924206cab65SAndi Kleen print_no_aggr_metric(prefix); 1925206cab65SAndi Kleen else { 1926e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1927e864c5caSAndi Kleen if (is_duration_time(counter)) 1928e864c5caSAndi Kleen continue; 1929d4f63a47SJiri Olsa print_counter(counter, prefix); 1930206cab65SAndi Kleen } 1931e864c5caSAndi Kleen } 1932d4f63a47SJiri Olsa break; 1933208df99eSJiri Olsa case AGGR_UNSET: 1934d4f63a47SJiri Olsa default: 1935d4f63a47SJiri Olsa break; 1936d4f63a47SJiri Olsa } 1937d4f63a47SJiri Olsa 1938d4f63a47SJiri Olsa if (!interval && !csv_output) 1939d4f63a47SJiri Olsa print_footer(); 1940d4f63a47SJiri Olsa 19415821522eSJiri Olsa fflush(stat_config.output); 1942d7470b6aSStephane Eranian } 194386470930SIngo Molnar 1944f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1945f7b7c26eSPeter Zijlstra 194686470930SIngo Molnar static void skip_signal(int signo) 194786470930SIngo Molnar { 1948ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 194960666c63SLiming Wang done = 1; 195060666c63SLiming Wang 1951f7b7c26eSPeter Zijlstra signr = signo; 1952d07f0b12SStephane Eranian /* 1953d07f0b12SStephane Eranian * render child_pid harmless 1954d07f0b12SStephane Eranian * won't send SIGTERM to a random 1955d07f0b12SStephane Eranian * process in case of race condition 1956d07f0b12SStephane Eranian * and fast PID recycling 1957d07f0b12SStephane Eranian */ 1958d07f0b12SStephane Eranian child_pid = -1; 1959f7b7c26eSPeter Zijlstra } 1960f7b7c26eSPeter Zijlstra 1961f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1962f7b7c26eSPeter Zijlstra { 1963d07f0b12SStephane Eranian sigset_t set, oset; 1964d07f0b12SStephane Eranian 1965d07f0b12SStephane Eranian /* 1966d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1967d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1968d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1969d07f0b12SStephane Eranian * process 1970d07f0b12SStephane Eranian */ 1971d07f0b12SStephane Eranian sigemptyset(&set); 1972d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1973d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1974d07f0b12SStephane Eranian 1975933da83aSChris Wilson if (child_pid != -1) 1976933da83aSChris Wilson kill(child_pid, SIGTERM); 1977933da83aSChris Wilson 1978d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1979d07f0b12SStephane Eranian 1980f7b7c26eSPeter Zijlstra if (signr == -1) 1981f7b7c26eSPeter Zijlstra return; 1982f7b7c26eSPeter Zijlstra 1983f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1984f7b7c26eSPeter Zijlstra kill(getpid(), signr); 198586470930SIngo Molnar } 198686470930SIngo Molnar 19871d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 19881d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1989d7470b6aSStephane Eranian { 1990d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1991d7470b6aSStephane Eranian return 0; 1992d7470b6aSStephane Eranian } 1993d7470b6aSStephane Eranian 199444b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 199544b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 199644b1e60aSAndi Kleen { 199744b1e60aSAndi Kleen force_metric_only = true; 199844b1e60aSAndi Kleen metric_only = !unset; 199944b1e60aSAndi Kleen return 0; 200044b1e60aSAndi Kleen } 200144b1e60aSAndi Kleen 2002b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 2003b18f3e36SAndi Kleen const char *str, 2004b18f3e36SAndi Kleen int unset __maybe_unused) 2005b18f3e36SAndi Kleen { 2006b18f3e36SAndi Kleen return metricgroup__parse_groups(opt, str, &metric_events); 2007b18f3e36SAndi Kleen } 2008b18f3e36SAndi Kleen 2009e0547311SJiri Olsa static const struct option stat_options[] = { 2010e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 2011e0547311SJiri Olsa "hardware transaction statistics"), 2012e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 2013e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 2014e0547311SJiri Olsa parse_events_option), 2015e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 2016e0547311SJiri Olsa "event filter", parse_filter), 2017e0547311SJiri Olsa OPT_BOOLEAN('i', "no-inherit", &no_inherit, 2018e0547311SJiri Olsa "child tasks do not inherit counters"), 2019e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 2020e0547311SJiri Olsa "stat events on existing process id"), 2021e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 2022e0547311SJiri Olsa "stat events on existing thread id"), 2023e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 2024e0547311SJiri Olsa "system-wide collection from all CPUs"), 2025e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 2026e0547311SJiri Olsa "put the counters into a counter group"), 2027e0547311SJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 2028e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 2029e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 2030e0547311SJiri Olsa OPT_INTEGER('r', "repeat", &run_count, 2031e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 2032e55c14afSJiri Olsa OPT_BOOLEAN(0, "table", &walltime_run_table, 2033e55c14afSJiri Olsa "display details about each run (only with -r option)"), 2034e0547311SJiri Olsa OPT_BOOLEAN('n', "null", &null_run, 2035e0547311SJiri Olsa "null run - dont start any counters"), 2036e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 2037e0547311SJiri Olsa "detailed run - start a lot of events"), 2038e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 2039e0547311SJiri Olsa "call sync() before starting a run"), 2040e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 2041e0547311SJiri Olsa "print large numbers with thousands\' separators", 2042e0547311SJiri Olsa stat__set_big_num), 2043e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 2044e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 2045e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 2046e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2047430daf2dSAndi Kleen OPT_BOOLEAN(0, "no-merge", &no_merge, "Do not merge identical named events"), 2048e0547311SJiri Olsa OPT_STRING('x', "field-separator", &csv_sep, "separator", 2049e0547311SJiri Olsa "print counts with custom separator"), 2050e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 2051e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 2052e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 2053e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 2054e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 2055e0547311SJiri Olsa "log output to fd, instead of stderr"), 2056e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 2057e0547311SJiri Olsa "command to run prior to the measured command"), 2058e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 2059e0547311SJiri Olsa "command to run after to the measured command"), 2060e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 20619dc9a95fSAlexey Budankov "print counts at regular interval in ms " 20629dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 2063db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 2064db06a269Syuzhoujian "print counts for fixed number of times"), 20659660e08eSJiri Olsa OPT_BOOLEAN(0, "interval-clear", &interval_clear, 20669660e08eSJiri Olsa "clear screen in between new interval"), 2067f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 2068f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 2069e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 2070e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 2071e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 2072e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 2073e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 2074e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 2075e0547311SJiri Olsa OPT_UINTEGER('D', "delay", &initial_delay, 2076e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 207744b1e60aSAndi Kleen OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL, 207844b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 207944b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 208044b1e60aSAndi Kleen "measure topdown level 1 statistics"), 2081daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 2082daefd0bcSKan Liang "measure SMI cost"), 2083b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 2084b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 2085b18f3e36SAndi Kleen parse_metric_groups), 2086e0547311SJiri Olsa OPT_END() 2087e0547311SJiri Olsa }; 2088e0547311SJiri Olsa 20891fe7a300SJiri Olsa static int perf_stat__get_socket(struct cpu_map *map, int cpu) 20901fe7a300SJiri Olsa { 20911fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 20921fe7a300SJiri Olsa } 20931fe7a300SJiri Olsa 20941fe7a300SJiri Olsa static int perf_stat__get_core(struct cpu_map *map, int cpu) 20951fe7a300SJiri Olsa { 20961fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 20971fe7a300SJiri Olsa } 20981fe7a300SJiri Olsa 20991e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 21001e5a2931SJiri Olsa { 21011e5a2931SJiri Olsa int i, max = -1; 21021e5a2931SJiri Olsa 21031e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 21041e5a2931SJiri Olsa if (map->map[i] > max) 21051e5a2931SJiri Olsa max = map->map[i]; 21061e5a2931SJiri Olsa } 21071e5a2931SJiri Olsa 21081e5a2931SJiri Olsa return max; 21091e5a2931SJiri Olsa } 21101e5a2931SJiri Olsa 21111e5a2931SJiri Olsa static struct cpu_map *cpus_aggr_map; 21121e5a2931SJiri Olsa 21131e5a2931SJiri Olsa static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) 21141e5a2931SJiri Olsa { 21151e5a2931SJiri Olsa int cpu; 21161e5a2931SJiri Olsa 21171e5a2931SJiri Olsa if (idx >= map->nr) 21181e5a2931SJiri Olsa return -1; 21191e5a2931SJiri Olsa 21201e5a2931SJiri Olsa cpu = map->map[idx]; 21211e5a2931SJiri Olsa 21221e5a2931SJiri Olsa if (cpus_aggr_map->map[cpu] == -1) 21231e5a2931SJiri Olsa cpus_aggr_map->map[cpu] = get_id(map, idx); 21241e5a2931SJiri Olsa 21251e5a2931SJiri Olsa return cpus_aggr_map->map[cpu]; 21261e5a2931SJiri Olsa } 21271e5a2931SJiri Olsa 21281e5a2931SJiri Olsa static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) 21291e5a2931SJiri Olsa { 21301e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_socket, map, idx); 21311e5a2931SJiri Olsa } 21321e5a2931SJiri Olsa 21331e5a2931SJiri Olsa static int perf_stat__get_core_cached(struct cpu_map *map, int idx) 21341e5a2931SJiri Olsa { 21351e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_core, map, idx); 21361e5a2931SJiri Olsa } 21371e5a2931SJiri Olsa 213886ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 213986ee6e18SStephane Eranian { 21401e5a2931SJiri Olsa int nr; 21411e5a2931SJiri Olsa 2142421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 214386ee6e18SStephane Eranian case AGGR_SOCKET: 214486ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 214586ee6e18SStephane Eranian perror("cannot build socket map"); 214686ee6e18SStephane Eranian return -1; 214786ee6e18SStephane Eranian } 21481e5a2931SJiri Olsa aggr_get_id = perf_stat__get_socket_cached; 214986ee6e18SStephane Eranian break; 215012c08a9fSStephane Eranian case AGGR_CORE: 215112c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 215212c08a9fSStephane Eranian perror("cannot build core map"); 215312c08a9fSStephane Eranian return -1; 215412c08a9fSStephane Eranian } 21551e5a2931SJiri Olsa aggr_get_id = perf_stat__get_core_cached; 215612c08a9fSStephane Eranian break; 215786ee6e18SStephane Eranian case AGGR_NONE: 215886ee6e18SStephane Eranian case AGGR_GLOBAL: 215932b8af82SJiri Olsa case AGGR_THREAD: 2160208df99eSJiri Olsa case AGGR_UNSET: 216186ee6e18SStephane Eranian default: 216286ee6e18SStephane Eranian break; 216386ee6e18SStephane Eranian } 21641e5a2931SJiri Olsa 21651e5a2931SJiri Olsa /* 21661e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 21671e5a2931SJiri Olsa * taking the highest cpu number to be the size of 21681e5a2931SJiri Olsa * the aggregation translate cpumap. 21691e5a2931SJiri Olsa */ 21701e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 21711e5a2931SJiri Olsa cpus_aggr_map = cpu_map__empty_new(nr + 1); 21721e5a2931SJiri Olsa return cpus_aggr_map ? 0 : -ENOMEM; 217386ee6e18SStephane Eranian } 217486ee6e18SStephane Eranian 2175544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 2176544c2ae7SMasami Hiramatsu { 2177544c2ae7SMasami Hiramatsu cpu_map__put(aggr_map); 2178544c2ae7SMasami Hiramatsu cpu_map__put(cpus_aggr_map); 2179544c2ae7SMasami Hiramatsu aggr_map = NULL; 2180544c2ae7SMasami Hiramatsu cpus_aggr_map = NULL; 2181544c2ae7SMasami Hiramatsu } 2182544c2ae7SMasami Hiramatsu 218368d702f7SJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) 218468d702f7SJiri Olsa { 218568d702f7SJiri Olsa int cpu; 218668d702f7SJiri Olsa 218768d702f7SJiri Olsa if (idx > map->nr) 218868d702f7SJiri Olsa return -1; 218968d702f7SJiri Olsa 219068d702f7SJiri Olsa cpu = map->map[idx]; 219168d702f7SJiri Olsa 2192da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 219368d702f7SJiri Olsa return -1; 219468d702f7SJiri Olsa 219568d702f7SJiri Olsa return cpu; 219668d702f7SJiri Olsa } 219768d702f7SJiri Olsa 219868d702f7SJiri Olsa static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) 219968d702f7SJiri Olsa { 220068d702f7SJiri Olsa struct perf_env *env = data; 220168d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 220268d702f7SJiri Olsa 220368d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 220468d702f7SJiri Olsa } 220568d702f7SJiri Olsa 220668d702f7SJiri Olsa static int perf_env__get_core(struct cpu_map *map, int idx, void *data) 220768d702f7SJiri Olsa { 220868d702f7SJiri Olsa struct perf_env *env = data; 220968d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 221068d702f7SJiri Olsa 221168d702f7SJiri Olsa if (cpu != -1) { 221268d702f7SJiri Olsa int socket_id = env->cpu[cpu].socket_id; 221368d702f7SJiri Olsa 221468d702f7SJiri Olsa /* 221568d702f7SJiri Olsa * Encode socket in upper 16 bits 221668d702f7SJiri Olsa * core_id is relative to socket, and 221768d702f7SJiri Olsa * we need a global id. So we combine 221868d702f7SJiri Olsa * socket + core id. 221968d702f7SJiri Olsa */ 222068d702f7SJiri Olsa core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); 222168d702f7SJiri Olsa } 222268d702f7SJiri Olsa 222368d702f7SJiri Olsa return core; 222468d702f7SJiri Olsa } 222568d702f7SJiri Olsa 222668d702f7SJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, 222768d702f7SJiri Olsa struct cpu_map **sockp) 222868d702f7SJiri Olsa { 222968d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 223068d702f7SJiri Olsa } 223168d702f7SJiri Olsa 223268d702f7SJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, 223368d702f7SJiri Olsa struct cpu_map **corep) 223468d702f7SJiri Olsa { 223568d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 223668d702f7SJiri Olsa } 223768d702f7SJiri Olsa 223868d702f7SJiri Olsa static int perf_stat__get_socket_file(struct cpu_map *map, int idx) 223968d702f7SJiri Olsa { 224068d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 224168d702f7SJiri Olsa } 224268d702f7SJiri Olsa 224368d702f7SJiri Olsa static int perf_stat__get_core_file(struct cpu_map *map, int idx) 224468d702f7SJiri Olsa { 224568d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 224668d702f7SJiri Olsa } 224768d702f7SJiri Olsa 224868d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 224968d702f7SJiri Olsa { 225068d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 225168d702f7SJiri Olsa 225268d702f7SJiri Olsa switch (stat_config.aggr_mode) { 225368d702f7SJiri Olsa case AGGR_SOCKET: 225468d702f7SJiri Olsa if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { 225568d702f7SJiri Olsa perror("cannot build socket map"); 225668d702f7SJiri Olsa return -1; 225768d702f7SJiri Olsa } 225868d702f7SJiri Olsa aggr_get_id = perf_stat__get_socket_file; 225968d702f7SJiri Olsa break; 226068d702f7SJiri Olsa case AGGR_CORE: 226168d702f7SJiri Olsa if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { 226268d702f7SJiri Olsa perror("cannot build core map"); 226368d702f7SJiri Olsa return -1; 226468d702f7SJiri Olsa } 226568d702f7SJiri Olsa aggr_get_id = perf_stat__get_core_file; 226668d702f7SJiri Olsa break; 226768d702f7SJiri Olsa case AGGR_NONE: 226868d702f7SJiri Olsa case AGGR_GLOBAL: 226968d702f7SJiri Olsa case AGGR_THREAD: 227068d702f7SJiri Olsa case AGGR_UNSET: 227168d702f7SJiri Olsa default: 227268d702f7SJiri Olsa break; 227368d702f7SJiri Olsa } 227468d702f7SJiri Olsa 227568d702f7SJiri Olsa return 0; 227668d702f7SJiri Olsa } 227768d702f7SJiri Olsa 227844b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 227944b1e60aSAndi Kleen { 228044b1e60aSAndi Kleen int off = 0; 228144b1e60aSAndi Kleen int i; 228244b1e60aSAndi Kleen int len = 0; 228344b1e60aSAndi Kleen char *s; 228444b1e60aSAndi Kleen 228544b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 228644b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 228744b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 228844b1e60aSAndi Kleen attr[i - off] = attr[i]; 228944b1e60aSAndi Kleen } else 229044b1e60aSAndi Kleen off++; 229144b1e60aSAndi Kleen } 229244b1e60aSAndi Kleen attr[i - off] = NULL; 229344b1e60aSAndi Kleen 229444b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 229544b1e60aSAndi Kleen if (!*str) 229644b1e60aSAndi Kleen return -1; 229744b1e60aSAndi Kleen s = *str; 229844b1e60aSAndi Kleen if (i - off == 0) { 229944b1e60aSAndi Kleen *s = 0; 230044b1e60aSAndi Kleen return 0; 230144b1e60aSAndi Kleen } 230244b1e60aSAndi Kleen if (use_group) 230344b1e60aSAndi Kleen *s++ = '{'; 230444b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 230544b1e60aSAndi Kleen strcpy(s, attr[i]); 230644b1e60aSAndi Kleen s += strlen(s); 230744b1e60aSAndi Kleen *s++ = ','; 230844b1e60aSAndi Kleen } 230944b1e60aSAndi Kleen if (use_group) { 231044b1e60aSAndi Kleen s[-1] = '}'; 231144b1e60aSAndi Kleen *s = 0; 231244b1e60aSAndi Kleen } else 231344b1e60aSAndi Kleen s[-1] = 0; 231444b1e60aSAndi Kleen return 0; 231544b1e60aSAndi Kleen } 231644b1e60aSAndi Kleen 231744b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 231844b1e60aSAndi Kleen { 231944b1e60aSAndi Kleen *warn = false; 232044b1e60aSAndi Kleen return false; 232144b1e60aSAndi Kleen } 232244b1e60aSAndi Kleen 232344b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 232444b1e60aSAndi Kleen { 232544b1e60aSAndi Kleen } 232644b1e60aSAndi Kleen 23272cba3ffbSIngo Molnar /* 23282cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 23292cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 23302cba3ffbSIngo Molnar */ 23312cba3ffbSIngo Molnar static int add_default_attributes(void) 23322cba3ffbSIngo Molnar { 233344b1e60aSAndi Kleen int err; 23349dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 2335b070a547SArnaldo Carvalho de Melo 2336b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 2337b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 2338b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 2339b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 2340b070a547SArnaldo Carvalho de Melo 2341b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 23429dec4473SAndi Kleen }; 23439dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 2344b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 23459dec4473SAndi Kleen }; 23469dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 2347b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 23489dec4473SAndi Kleen }; 23499dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 2350b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 2351b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 2352b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 2353b070a547SArnaldo Carvalho de Melo 2354b070a547SArnaldo Carvalho de Melo }; 2355b070a547SArnaldo Carvalho de Melo 2356b070a547SArnaldo Carvalho de Melo /* 2357b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 2358b070a547SArnaldo Carvalho de Melo */ 2359b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 2360b070a547SArnaldo Carvalho de Melo 2361b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2362b070a547SArnaldo Carvalho de Melo .config = 2363b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2364b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2365b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2366b070a547SArnaldo Carvalho de Melo 2367b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2368b070a547SArnaldo Carvalho de Melo .config = 2369b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2370b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2371b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2372b070a547SArnaldo Carvalho de Melo 2373b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2374b070a547SArnaldo Carvalho de Melo .config = 2375b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2376b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2377b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2378b070a547SArnaldo Carvalho de Melo 2379b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2380b070a547SArnaldo Carvalho de Melo .config = 2381b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2382b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2383b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2384b070a547SArnaldo Carvalho de Melo }; 2385b070a547SArnaldo Carvalho de Melo 2386b070a547SArnaldo Carvalho de Melo /* 2387b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 2388b070a547SArnaldo Carvalho de Melo */ 2389b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 2390b070a547SArnaldo Carvalho de Melo 2391b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2392b070a547SArnaldo Carvalho de Melo .config = 2393b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2394b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2395b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2396b070a547SArnaldo Carvalho de Melo 2397b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2398b070a547SArnaldo Carvalho de Melo .config = 2399b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2400b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2401b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2402b070a547SArnaldo Carvalho de Melo 2403b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2404b070a547SArnaldo Carvalho de Melo .config = 2405b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2406b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2407b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2408b070a547SArnaldo Carvalho de Melo 2409b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2410b070a547SArnaldo Carvalho de Melo .config = 2411b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2412b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2413b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2414b070a547SArnaldo Carvalho de Melo 2415b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2416b070a547SArnaldo Carvalho de Melo .config = 2417b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2418b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2419b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2420b070a547SArnaldo Carvalho de Melo 2421b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2422b070a547SArnaldo Carvalho de Melo .config = 2423b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2424b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2425b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2426b070a547SArnaldo Carvalho de Melo 2427b070a547SArnaldo Carvalho de Melo }; 2428b070a547SArnaldo Carvalho de Melo 2429b070a547SArnaldo Carvalho de Melo /* 2430b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 2431b070a547SArnaldo Carvalho de Melo */ 2432b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 2433b070a547SArnaldo Carvalho de Melo 2434b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2435b070a547SArnaldo Carvalho de Melo .config = 2436b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2437b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2438b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2439b070a547SArnaldo Carvalho de Melo 2440b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2441b070a547SArnaldo Carvalho de Melo .config = 2442b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2443b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2444b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2445b070a547SArnaldo Carvalho de Melo }; 2446b070a547SArnaldo Carvalho de Melo 24472cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 24482cba3ffbSIngo Molnar if (null_run) 24492cba3ffbSIngo Molnar return 0; 24502cba3ffbSIngo Molnar 24514cabc3d1SAndi Kleen if (transaction_run) { 2452fca32340SThomas Richter struct parse_events_error errinfo; 2453fca32340SThomas Richter 24544cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 24554cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 2456fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 2457fca32340SThomas Richter &errinfo); 24584cabc3d1SAndi Kleen else 2459fca32340SThomas Richter err = parse_events(evsel_list, 2460fca32340SThomas Richter transaction_limited_attrs, 2461fca32340SThomas Richter &errinfo); 2462a454742cSJiri Olsa if (err) { 24634cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 24644cabc3d1SAndi Kleen return -1; 24654cabc3d1SAndi Kleen } 24664cabc3d1SAndi Kleen return 0; 24674cabc3d1SAndi Kleen } 24684cabc3d1SAndi Kleen 2469daefd0bcSKan Liang if (smi_cost) { 2470daefd0bcSKan Liang int smi; 2471daefd0bcSKan Liang 2472daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 2473daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 2474daefd0bcSKan Liang return -1; 2475daefd0bcSKan Liang } 2476daefd0bcSKan Liang 2477daefd0bcSKan Liang if (!smi) { 2478daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 2479daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 2480daefd0bcSKan Liang return -1; 2481daefd0bcSKan Liang } 2482daefd0bcSKan Liang smi_reset = true; 2483daefd0bcSKan Liang } 2484daefd0bcSKan Liang 2485daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 2486daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 2487daefd0bcSKan Liang if (!force_metric_only) 2488daefd0bcSKan Liang metric_only = true; 2489daefd0bcSKan Liang err = parse_events(evsel_list, smi_cost_attrs, NULL); 2490daefd0bcSKan Liang } else { 2491daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 2492daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 2493daefd0bcSKan Liang return -1; 2494daefd0bcSKan Liang } 2495daefd0bcSKan Liang if (err) { 2496daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 2497daefd0bcSKan Liang return -1; 2498daefd0bcSKan Liang } 2499daefd0bcSKan Liang return 0; 2500daefd0bcSKan Liang } 2501daefd0bcSKan Liang 250244b1e60aSAndi Kleen if (topdown_run) { 250344b1e60aSAndi Kleen char *str = NULL; 250444b1e60aSAndi Kleen bool warn = false; 250544b1e60aSAndi Kleen 250644b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 250744b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 250844b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 250944b1e60aSAndi Kleen return -1; 251044b1e60aSAndi Kleen } 251144b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 251244b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 251344b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 251444b1e60aSAndi Kleen return -1; 251544b1e60aSAndi Kleen } 251644b1e60aSAndi Kleen 251744b1e60aSAndi Kleen if (!force_metric_only) 251844b1e60aSAndi Kleen metric_only = true; 251944b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 252044b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 252144b1e60aSAndi Kleen pr_err("Out of memory\n"); 252244b1e60aSAndi Kleen return -1; 252344b1e60aSAndi Kleen } 252444b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 252544b1e60aSAndi Kleen if (warn) 252644b1e60aSAndi Kleen arch_topdown_group_warn(); 252744b1e60aSAndi Kleen err = parse_events(evsel_list, str, NULL); 252844b1e60aSAndi Kleen if (err) { 252944b1e60aSAndi Kleen fprintf(stderr, 253044b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 253144b1e60aSAndi Kleen str, err); 253244b1e60aSAndi Kleen free(str); 253344b1e60aSAndi Kleen return -1; 253444b1e60aSAndi Kleen } 253544b1e60aSAndi Kleen } else { 253644b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 253744b1e60aSAndi Kleen return -1; 253844b1e60aSAndi Kleen } 253944b1e60aSAndi Kleen free(str); 254044b1e60aSAndi Kleen } 254144b1e60aSAndi Kleen 25422cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 2543a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 2544a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 2545a1f3d567SNamhyung Kim 25469dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 25479dec4473SAndi Kleen return -1; 25489dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 25499dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 25509dec4473SAndi Kleen frontend_attrs) < 0) 25519dec4473SAndi Kleen return -1; 25529dec4473SAndi Kleen } 25539dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 25549dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 25559dec4473SAndi Kleen backend_attrs) < 0) 25569dec4473SAndi Kleen return -1; 25579dec4473SAndi Kleen } 25589dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 25592cba3ffbSIngo Molnar return -1; 25602cba3ffbSIngo Molnar } 25612cba3ffbSIngo Molnar 25622cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 25632cba3ffbSIngo Molnar 25642cba3ffbSIngo Molnar if (detailed_run < 1) 25652cba3ffbSIngo Molnar return 0; 25662cba3ffbSIngo Molnar 25672cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 256879695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 25692cba3ffbSIngo Molnar return -1; 25702cba3ffbSIngo Molnar 25712cba3ffbSIngo Molnar if (detailed_run < 2) 25722cba3ffbSIngo Molnar return 0; 25732cba3ffbSIngo Molnar 25742cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 257579695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 25762cba3ffbSIngo Molnar return -1; 25772cba3ffbSIngo Molnar 25782cba3ffbSIngo Molnar if (detailed_run < 3) 25792cba3ffbSIngo Molnar return 0; 25802cba3ffbSIngo Molnar 25812cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 258279695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 25832cba3ffbSIngo Molnar } 25842cba3ffbSIngo Molnar 25858a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 25864979d0c7SJiri Olsa "perf stat record [<options>]", 25874979d0c7SJiri Olsa NULL, 25884979d0c7SJiri Olsa }; 25894979d0c7SJiri Olsa 25903ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 25913ba78bd0SJiri Olsa { 25923ba78bd0SJiri Olsa int feat; 25933ba78bd0SJiri Olsa 25943ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 25953ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 25963ba78bd0SJiri Olsa 25973ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 25983ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 25993ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 26003ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 26013ba78bd0SJiri Olsa } 26023ba78bd0SJiri Olsa 26034979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 26044979d0c7SJiri Olsa { 26054979d0c7SJiri Olsa struct perf_session *session; 26068ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 26074979d0c7SJiri Olsa 26088a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 26094979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 26104979d0c7SJiri Olsa 26114979d0c7SJiri Olsa if (output_name) 2612eae8ad80SJiri Olsa data->file.path = output_name; 26134979d0c7SJiri Olsa 2614e9d6db8eSJiri Olsa if (run_count != 1 || forever) { 2615e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 2616e9d6db8eSJiri Olsa return -1; 2617e9d6db8eSJiri Olsa } 2618e9d6db8eSJiri Olsa 26198ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 26204979d0c7SJiri Olsa if (session == NULL) { 26214979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 26224979d0c7SJiri Olsa return -1; 26234979d0c7SJiri Olsa } 26244979d0c7SJiri Olsa 26253ba78bd0SJiri Olsa init_features(session); 26263ba78bd0SJiri Olsa 26274979d0c7SJiri Olsa session->evlist = evsel_list; 26284979d0c7SJiri Olsa perf_stat.session = session; 26294979d0c7SJiri Olsa perf_stat.record = true; 26304979d0c7SJiri Olsa return argc; 26314979d0c7SJiri Olsa } 26324979d0c7SJiri Olsa 2633a56f9390SJiri Olsa static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2634a56f9390SJiri Olsa union perf_event *event, 2635a56f9390SJiri Olsa struct perf_session *session) 2636a56f9390SJiri Olsa { 2637e3b03b6cSAndi Kleen struct stat_round_event *stat_round = &event->stat_round; 2638a56f9390SJiri Olsa struct perf_evsel *counter; 2639a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 2640a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 2641a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 2642a56f9390SJiri Olsa 2643e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 2644a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 2645a56f9390SJiri Olsa 2646e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 2647e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 2648a56f9390SJiri Olsa 2649e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 2650bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 2651bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 2652a56f9390SJiri Olsa ts = &tsh; 2653a56f9390SJiri Olsa } 2654a56f9390SJiri Olsa 2655a56f9390SJiri Olsa print_counters(ts, argc, argv); 2656a56f9390SJiri Olsa return 0; 2657a56f9390SJiri Olsa } 2658a56f9390SJiri Olsa 265962ba18baSJiri Olsa static 26607e6a7998SArnaldo Carvalho de Melo int process_stat_config_event(struct perf_tool *tool, 266162ba18baSJiri Olsa union perf_event *event, 266262ba18baSJiri Olsa struct perf_session *session __maybe_unused) 266362ba18baSJiri Olsa { 266468d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 266568d702f7SJiri Olsa 266662ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 266768d702f7SJiri Olsa 266889af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 266989af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 267089af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 267189af4e05SJiri Olsa return 0; 267289af4e05SJiri Olsa } 267389af4e05SJiri Olsa 267489af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 267589af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 267689af4e05SJiri Olsa 26778ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 267868d702f7SJiri Olsa perf_stat_init_aggr_mode(); 267968d702f7SJiri Olsa else 268068d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 268168d702f7SJiri Olsa 268262ba18baSJiri Olsa return 0; 268362ba18baSJiri Olsa } 268462ba18baSJiri Olsa 26851975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 26861975d36eSJiri Olsa { 26871975d36eSJiri Olsa if (!st->cpus || !st->threads) 26881975d36eSJiri Olsa return 0; 26891975d36eSJiri Olsa 26901975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 26911975d36eSJiri Olsa return -EINVAL; 26921975d36eSJiri Olsa 26931975d36eSJiri Olsa perf_evlist__set_maps(evsel_list, st->cpus, st->threads); 26941975d36eSJiri Olsa 26951975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 26961975d36eSJiri Olsa return -ENOMEM; 26971975d36eSJiri Olsa 26981975d36eSJiri Olsa st->maps_allocated = true; 26991975d36eSJiri Olsa return 0; 27001975d36eSJiri Olsa } 27011975d36eSJiri Olsa 27021975d36eSJiri Olsa static 27037e6a7998SArnaldo Carvalho de Melo int process_thread_map_event(struct perf_tool *tool, 27041975d36eSJiri Olsa union perf_event *event, 27051975d36eSJiri Olsa struct perf_session *session __maybe_unused) 27061975d36eSJiri Olsa { 27071975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 27081975d36eSJiri Olsa 27091975d36eSJiri Olsa if (st->threads) { 27101975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 27111975d36eSJiri Olsa return 0; 27121975d36eSJiri Olsa } 27131975d36eSJiri Olsa 27141975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 27151975d36eSJiri Olsa if (!st->threads) 27161975d36eSJiri Olsa return -ENOMEM; 27171975d36eSJiri Olsa 27181975d36eSJiri Olsa return set_maps(st); 27191975d36eSJiri Olsa } 27201975d36eSJiri Olsa 27211975d36eSJiri Olsa static 27227e6a7998SArnaldo Carvalho de Melo int process_cpu_map_event(struct perf_tool *tool, 27231975d36eSJiri Olsa union perf_event *event, 27241975d36eSJiri Olsa struct perf_session *session __maybe_unused) 27251975d36eSJiri Olsa { 27261975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 27271975d36eSJiri Olsa struct cpu_map *cpus; 27281975d36eSJiri Olsa 27291975d36eSJiri Olsa if (st->cpus) { 27301975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 27311975d36eSJiri Olsa return 0; 27321975d36eSJiri Olsa } 27331975d36eSJiri Olsa 27341975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 27351975d36eSJiri Olsa if (!cpus) 27361975d36eSJiri Olsa return -ENOMEM; 27371975d36eSJiri Olsa 27381975d36eSJiri Olsa st->cpus = cpus; 27391975d36eSJiri Olsa return set_maps(st); 27401975d36eSJiri Olsa } 27411975d36eSJiri Olsa 274256739444SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 274356739444SJin Yao { 274456739444SJin Yao int i; 274556739444SJin Yao 274656739444SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 274756739444SJin Yao if (!config->stats) 274856739444SJin Yao return -1; 274956739444SJin Yao 275056739444SJin Yao config->stats_num = nthreads; 275156739444SJin Yao 275256739444SJin Yao for (i = 0; i < nthreads; i++) 275356739444SJin Yao runtime_stat__init(&config->stats[i]); 275456739444SJin Yao 275556739444SJin Yao return 0; 275656739444SJin Yao } 275756739444SJin Yao 275856739444SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 275956739444SJin Yao { 276056739444SJin Yao int i; 276156739444SJin Yao 276256739444SJin Yao if (!config->stats) 276356739444SJin Yao return; 276456739444SJin Yao 276556739444SJin Yao for (i = 0; i < config->stats_num; i++) 276656739444SJin Yao runtime_stat__exit(&config->stats[i]); 276756739444SJin Yao 276856739444SJin Yao free(config->stats); 276956739444SJin Yao } 277056739444SJin Yao 27718a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 2772ba6039b6SJiri Olsa "perf stat report [<options>]", 2773ba6039b6SJiri Olsa NULL, 2774ba6039b6SJiri Olsa }; 2775ba6039b6SJiri Olsa 2776ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 2777ba6039b6SJiri Olsa .tool = { 2778ba6039b6SJiri Olsa .attr = perf_event__process_attr, 2779fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 27801975d36eSJiri Olsa .thread_map = process_thread_map_event, 27811975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 278262ba18baSJiri Olsa .stat_config = process_stat_config_event, 2783a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 2784a56f9390SJiri Olsa .stat_round = process_stat_round_event, 2785ba6039b6SJiri Olsa }, 278689af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 2787ba6039b6SJiri Olsa }; 2788ba6039b6SJiri Olsa 2789ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 2790ba6039b6SJiri Olsa { 2791ba6039b6SJiri Olsa struct perf_session *session; 2792ba6039b6SJiri Olsa const struct option options[] = { 2793ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 279489af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 279589af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 279689af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 279789af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 279889af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 279989af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2800ba6039b6SJiri Olsa OPT_END() 2801ba6039b6SJiri Olsa }; 2802ba6039b6SJiri Olsa struct stat st; 2803ba6039b6SJiri Olsa int ret; 2804ba6039b6SJiri Olsa 28058a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 2806ba6039b6SJiri Olsa 2807ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 2808ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 2809ba6039b6SJiri Olsa input_name = "-"; 2810ba6039b6SJiri Olsa else 2811ba6039b6SJiri Olsa input_name = "perf.data"; 2812ba6039b6SJiri Olsa } 2813ba6039b6SJiri Olsa 2814eae8ad80SJiri Olsa perf_stat.data.file.path = input_name; 28158ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 2816ba6039b6SJiri Olsa 28178ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 2818ba6039b6SJiri Olsa if (session == NULL) 2819ba6039b6SJiri Olsa return -1; 2820ba6039b6SJiri Olsa 2821ba6039b6SJiri Olsa perf_stat.session = session; 2822ba6039b6SJiri Olsa stat_config.output = stderr; 2823ba6039b6SJiri Olsa evsel_list = session->evlist; 2824ba6039b6SJiri Olsa 2825ba6039b6SJiri Olsa ret = perf_session__process_events(session); 2826ba6039b6SJiri Olsa if (ret) 2827ba6039b6SJiri Olsa return ret; 2828ba6039b6SJiri Olsa 2829ba6039b6SJiri Olsa perf_session__delete(session); 2830ba6039b6SJiri Olsa return 0; 2831ba6039b6SJiri Olsa } 2832ba6039b6SJiri Olsa 2833e3ba76deSJiri Olsa static void setup_system_wide(int forks) 2834e3ba76deSJiri Olsa { 2835e3ba76deSJiri Olsa /* 2836e3ba76deSJiri Olsa * Make system wide (-a) the default target if 2837e3ba76deSJiri Olsa * no target was specified and one of following 2838e3ba76deSJiri Olsa * conditions is met: 2839e3ba76deSJiri Olsa * 2840e3ba76deSJiri Olsa * - there's no workload specified 2841e3ba76deSJiri Olsa * - there is workload specified but all requested 2842e3ba76deSJiri Olsa * events are system wide events 2843e3ba76deSJiri Olsa */ 2844e3ba76deSJiri Olsa if (!target__none(&target)) 2845e3ba76deSJiri Olsa return; 2846e3ba76deSJiri Olsa 2847e3ba76deSJiri Olsa if (!forks) 2848e3ba76deSJiri Olsa target.system_wide = true; 2849e3ba76deSJiri Olsa else { 2850e3ba76deSJiri Olsa struct perf_evsel *counter; 2851e3ba76deSJiri Olsa 2852e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 2853e3ba76deSJiri Olsa if (!counter->system_wide) 2854e3ba76deSJiri Olsa return; 2855e3ba76deSJiri Olsa } 2856e3ba76deSJiri Olsa 2857e3ba76deSJiri Olsa if (evsel_list->nr_entries) 2858e3ba76deSJiri Olsa target.system_wide = true; 2859e3ba76deSJiri Olsa } 2860e3ba76deSJiri Olsa } 2861e3ba76deSJiri Olsa 2862b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 286386470930SIngo Molnar { 2864b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 2865b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 2866b070a547SArnaldo Carvalho de Melo NULL 2867b070a547SArnaldo Carvalho de Melo }; 2868cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 28694aa9015fSStephane Eranian const char *mode; 28705821522eSJiri Olsa FILE *output = stderr; 2871f1f8ad52Syuzhoujian unsigned int interval, timeout; 2872ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 287342202dd5SIngo Molnar 28745af52b51SStephane Eranian setlocale(LC_ALL, ""); 28755af52b51SStephane Eranian 2876334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 2877361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 2878361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 2879361c99a6SArnaldo Carvalho de Melo 28801669e509SWang Nan parse_events__shrink_config_terms(); 28814979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 28824979d0c7SJiri Olsa (const char **) stat_usage, 2883a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 288437932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 2885fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 2886d7470b6aSStephane Eranian 28876edb78a2SJiri Olsa if (csv_sep) { 28886edb78a2SJiri Olsa csv_output = true; 28896edb78a2SJiri Olsa if (!strcmp(csv_sep, "\\t")) 28906edb78a2SJiri Olsa csv_sep = "\t"; 28916edb78a2SJiri Olsa } else 28926edb78a2SJiri Olsa csv_sep = DEFAULT_SEPARATOR; 28936edb78a2SJiri Olsa 28944979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 28954979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 28964979d0c7SJiri Olsa if (argc < 0) 28974979d0c7SJiri Olsa return -1; 2898ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 2899ba6039b6SJiri Olsa return __cmd_report(argc, argv); 29004979d0c7SJiri Olsa 2901ec0d3d1fSJiri Olsa interval = stat_config.interval; 2902f1f8ad52Syuzhoujian timeout = stat_config.timeout; 2903ec0d3d1fSJiri Olsa 29044979d0c7SJiri Olsa /* 29054979d0c7SJiri Olsa * For record command the -o is already taken care of. 29064979d0c7SJiri Olsa */ 29074979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 29084aa9015fSStephane Eranian output = NULL; 29094aa9015fSStephane Eranian 291056f3bae7SJim Cromie if (output_name && output_fd) { 291156f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 2912e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 2913e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 2914cc03c542SNamhyung Kim goto out; 291556f3bae7SJim Cromie } 2916fc3e4d07SStephane Eranian 291754b50916SAndi Kleen if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { 291854b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 291954b50916SAndi Kleen goto out; 292054b50916SAndi Kleen } 292154b50916SAndi Kleen 292254b50916SAndi Kleen if (metric_only && run_count > 1) { 292354b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 292454b50916SAndi Kleen goto out; 292554b50916SAndi Kleen } 292654b50916SAndi Kleen 2927e55c14afSJiri Olsa if (walltime_run_table && run_count <= 1) { 2928e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 2929e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2930e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 2931e55c14afSJiri Olsa goto out; 2932e55c14afSJiri Olsa } 2933e55c14afSJiri Olsa 2934fc3e4d07SStephane Eranian if (output_fd < 0) { 2935fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 2936e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 2937cc03c542SNamhyung Kim goto out; 2938fc3e4d07SStephane Eranian } 2939fc3e4d07SStephane Eranian 29404aa9015fSStephane Eranian if (!output) { 29414aa9015fSStephane Eranian struct timespec tm; 29424aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 29434aa9015fSStephane Eranian 29444aa9015fSStephane Eranian output = fopen(output_name, mode); 29454aa9015fSStephane Eranian if (!output) { 29464aa9015fSStephane Eranian perror("failed to create output file"); 2947fceda7feSDavid Ahern return -1; 29484aa9015fSStephane Eranian } 29494aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 29504aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2951fc3e4d07SStephane Eranian } else if (output_fd > 0) { 295256f3bae7SJim Cromie mode = append_file ? "a" : "w"; 295356f3bae7SJim Cromie output = fdopen(output_fd, mode); 295456f3bae7SJim Cromie if (!output) { 295556f3bae7SJim Cromie perror("Failed opening logfd"); 295656f3bae7SJim Cromie return -errno; 295756f3bae7SJim Cromie } 29584aa9015fSStephane Eranian } 29594aa9015fSStephane Eranian 29605821522eSJiri Olsa stat_config.output = output; 29615821522eSJiri Olsa 2962d7470b6aSStephane Eranian /* 2963d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2964d7470b6aSStephane Eranian */ 2965d7470b6aSStephane Eranian if (csv_output) { 296661a9f324SJim Cromie /* User explicitly passed -B? */ 2967d7470b6aSStephane Eranian if (big_num_opt == 1) { 2968d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2969e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2970e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2971cc03c542SNamhyung Kim goto out; 2972d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 2973d7470b6aSStephane Eranian big_num = false; 2974d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 2975d7470b6aSStephane Eranian big_num = false; 2976d7470b6aSStephane Eranian 2977e3ba76deSJiri Olsa setup_system_wide(argc); 2978ac3063bdSDavid Ahern 29790ce2da14SJiri Olsa /* 29800ce2da14SJiri Olsa * Display user/system times only for single 29810ce2da14SJiri Olsa * run and when there's specified tracee. 29820ce2da14SJiri Olsa */ 29830ce2da14SJiri Olsa if ((run_count == 1) && target__none(&target)) 29840ce2da14SJiri Olsa ru_display = true; 29850ce2da14SJiri Olsa 2986a7e191c3SFrederik Deweerdt if (run_count < 0) { 2987cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2988e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2989cc03c542SNamhyung Kim goto out; 2990a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 2991a7e191c3SFrederik Deweerdt forever = true; 2992a7e191c3SFrederik Deweerdt run_count = 1; 2993a7e191c3SFrederik Deweerdt } 299486470930SIngo Molnar 2995e55c14afSJiri Olsa if (walltime_run_table) { 2996e55c14afSJiri Olsa walltime_run = zalloc(run_count * sizeof(walltime_run[0])); 2997e55c14afSJiri Olsa if (!walltime_run) { 2998e55c14afSJiri Olsa pr_err("failed to setup -r option"); 2999e55c14afSJiri Olsa goto out; 3000e55c14afSJiri Olsa } 3001e55c14afSJiri Olsa } 3002e55c14afSJiri Olsa 30031d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 30041d9f8d1bSJin Yao !target__has_task(&target)) { 30051d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 30061d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 30071d9f8d1bSJin Yao "available when monitoring via -p -t -a " 30081d9f8d1bSJin Yao "options or only --per-thread.\n"); 3009e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 3010e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 301132b8af82SJiri Olsa goto out; 301232b8af82SJiri Olsa } 30131d9f8d1bSJin Yao } 301432b8af82SJiri Olsa 301532b8af82SJiri Olsa /* 301632b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 301732b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 301832b8af82SJiri Olsa */ 3019421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 3020421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 3021602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 3022023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 3023023695d9SStephane Eranian "modes only available in system-wide mode\n"); 3024023695d9SStephane Eranian 3025e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 3026e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 3027e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 3028cc03c542SNamhyung Kim goto out; 3029d7e7a451SStephane Eranian } 3030d7e7a451SStephane Eranian 30312cba3ffbSIngo Molnar if (add_default_attributes()) 3032c6264defSIngo Molnar goto out; 303386470930SIngo Molnar 3034602ad878SArnaldo Carvalho de Melo target__validate(&target); 30355c98d466SArnaldo Carvalho de Melo 30361d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 30371d9f8d1bSJin Yao target.per_thread = true; 30381d9f8d1bSJin Yao 303977a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 3040602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 30415c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 3042e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 3043e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 3044602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 304560d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 3046e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 3047e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 3048cc03c542SNamhyung Kim } 3049cc03c542SNamhyung Kim goto out; 305060d567e2SArnaldo Carvalho de Melo } 305132b8af82SJiri Olsa 305232b8af82SJiri Olsa /* 305332b8af82SJiri Olsa * Initialize thread_map with comm names, 305432b8af82SJiri Olsa * so we could print it out on output. 305532b8af82SJiri Olsa */ 305656739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 305732b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 305856739444SJin Yao if (target.system_wide) { 305956739444SJin Yao if (runtime_stat_new(&stat_config, 306056739444SJin Yao thread_map__nr(evsel_list->threads))) { 306156739444SJin Yao goto out; 306256739444SJin Yao } 306356739444SJin Yao } 306456739444SJin Yao } 306532b8af82SJiri Olsa 3066db06a269Syuzhoujian if (stat_config.times && interval) 3067db06a269Syuzhoujian interval_count = true; 3068db06a269Syuzhoujian else if (stat_config.times && !interval) { 3069db06a269Syuzhoujian pr_err("interval-count option should be used together with " 3070db06a269Syuzhoujian "interval-print.\n"); 3071db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 3072db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 3073db06a269Syuzhoujian goto out; 3074db06a269Syuzhoujian } 3075c45c6ea2SStephane Eranian 3076f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 3077f1f8ad52Syuzhoujian if (timeout < 10) { 3078f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 3079f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 3080f1f8ad52Syuzhoujian goto out; 3081f1f8ad52Syuzhoujian } else 3082f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 3083f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 3084f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 3085f1f8ad52Syuzhoujian } 3086f1f8ad52Syuzhoujian if (timeout && interval) { 3087f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 3088f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 3089f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 3090f1f8ad52Syuzhoujian goto out; 3091f1f8ad52Syuzhoujian } 3092f1f8ad52Syuzhoujian 3093d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 309403ad9747SArnaldo Carvalho de Melo goto out; 3095d6d901c2SZhang, Yanmin 309686ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 309703ad9747SArnaldo Carvalho de Melo goto out; 309886ee6e18SStephane Eranian 309986470930SIngo Molnar /* 310086470930SIngo Molnar * We dont want to block the signals - that would cause 310186470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 310286470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 310386470930SIngo Molnar * task, but being ignored by perf stat itself: 310486470930SIngo Molnar */ 3105f7b7c26eSPeter Zijlstra atexit(sig_atexit); 3106a7e191c3SFrederik Deweerdt if (!forever) 310786470930SIngo Molnar signal(SIGINT, skip_signal); 310813370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 310986470930SIngo Molnar signal(SIGALRM, skip_signal); 311086470930SIngo Molnar signal(SIGABRT, skip_signal); 311186470930SIngo Molnar 311242202dd5SIngo Molnar status = 0; 3113a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 3114bb963e16SNamhyung Kim if (run_count != 1 && verbose > 0) 31154aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 31164aa9015fSStephane Eranian run_idx + 1); 3117f9cef0a9SIngo Molnar 3118e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 3119a7e191c3SFrederik Deweerdt if (forever && status != -1) { 3120d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 3121254ecbc7SJiri Olsa perf_stat__reset_stats(); 3122a7e191c3SFrederik Deweerdt } 312342202dd5SIngo Molnar } 312442202dd5SIngo Molnar 3125a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 3126d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 3127d134ffb9SArnaldo Carvalho de Melo 31284979d0c7SJiri Olsa if (STAT_RECORD) { 31294979d0c7SJiri Olsa /* 31304979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 31314979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 31324979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 31334979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 31344979d0c7SJiri Olsa * 31354979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 31368b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 31378b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 31388b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 31398b99b1a4SJiri Olsa * tools remain -acme 31404979d0c7SJiri Olsa */ 31418ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 31424979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 31434979d0c7SJiri Olsa process_synthesized_event, 31444979d0c7SJiri Olsa &perf_stat.session->machines.host); 31454979d0c7SJiri Olsa if (err) { 31464979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 31474979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 31484979d0c7SJiri Olsa } 31494979d0c7SJiri Olsa 31507aad0c32SJiri Olsa if (!interval) { 31517aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 31527aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 31537aad0c32SJiri Olsa } 31547aad0c32SJiri Olsa 31558ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 31564979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 31574979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 3158664c98d4SJiri Olsa } 31594979d0c7SJiri Olsa 31604979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 31614979d0c7SJiri Olsa } 31624979d0c7SJiri Olsa 3163544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 3164d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 31650015e2e1SArnaldo Carvalho de Melo out: 3166e55c14afSJiri Olsa free(walltime_run); 3167e55c14afSJiri Olsa 3168daefd0bcSKan Liang if (smi_cost && smi_reset) 3169daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 3170daefd0bcSKan Liang 31710015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 317256739444SJin Yao 317356739444SJin Yao runtime_stat_delete(&stat_config); 317456739444SJin Yao 317542202dd5SIngo Molnar return status; 317686470930SIngo Molnar } 3177