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" 68ba6039b6SJiri Olsa #include "asm/bug.h" 6986470930SIngo Molnar 70bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 7144b1e60aSAndi Kleen #include <api/fs/fs.h> 72a43783aeSArnaldo Carvalho de Melo #include <errno.h> 739607ad3aSArnaldo Carvalho de Melo #include <signal.h> 741f16c575SPeter Zijlstra #include <stdlib.h> 7586470930SIngo Molnar #include <sys/prctl.h> 76fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 775af52b51SStephane Eranian #include <locale.h> 78e3b03b6cSAndi Kleen #include <math.h> 797a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 807a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 814208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 827a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 830ce2da14SJiri Olsa #include <sys/time.h> 840ce2da14SJiri Olsa #include <sys/resource.h> 850ce2da14SJiri Olsa #include <sys/wait.h> 8686470930SIngo Molnar 873d689ed6SArnaldo Carvalho de Melo #include "sane_ctype.h" 883d689ed6SArnaldo Carvalho de Melo 89d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 902cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 912cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 92daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 93d7470b6aSStephane Eranian 94d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9513370a9bSStephane Eranian 964cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 97a454742cSJiri Olsa static const char *transaction_attrs = { 98a454742cSJiri Olsa "task-clock," 994cabc3d1SAndi Kleen "{" 1004cabc3d1SAndi Kleen "instructions," 1014cabc3d1SAndi Kleen "cycles," 1024cabc3d1SAndi Kleen "cpu/cycles-t/," 1034cabc3d1SAndi Kleen "cpu/tx-start/," 1044cabc3d1SAndi Kleen "cpu/el-start/," 1054cabc3d1SAndi Kleen "cpu/cycles-ct/" 1064cabc3d1SAndi Kleen "}" 1074cabc3d1SAndi Kleen }; 1084cabc3d1SAndi Kleen 1094cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 110a454742cSJiri Olsa static const char * transaction_limited_attrs = { 111a454742cSJiri Olsa "task-clock," 1124cabc3d1SAndi Kleen "{" 1134cabc3d1SAndi Kleen "instructions," 1144cabc3d1SAndi Kleen "cycles," 1154cabc3d1SAndi Kleen "cpu/cycles-t/," 1164cabc3d1SAndi Kleen "cpu/tx-start/" 1174cabc3d1SAndi Kleen "}" 1184cabc3d1SAndi Kleen }; 1194cabc3d1SAndi Kleen 12044b1e60aSAndi Kleen static const char * topdown_attrs[] = { 12144b1e60aSAndi Kleen "topdown-total-slots", 12244b1e60aSAndi Kleen "topdown-slots-retired", 12344b1e60aSAndi Kleen "topdown-recovery-bubbles", 12444b1e60aSAndi Kleen "topdown-fetch-bubbles", 12544b1e60aSAndi Kleen "topdown-slots-issued", 12644b1e60aSAndi Kleen NULL, 12744b1e60aSAndi Kleen }; 12844b1e60aSAndi Kleen 129daefd0bcSKan Liang static const char *smi_cost_attrs = { 130daefd0bcSKan Liang "{" 131daefd0bcSKan Liang "msr/aperf/," 132daefd0bcSKan Liang "msr/smi/," 133daefd0bcSKan Liang "cycles" 134daefd0bcSKan Liang "}" 135daefd0bcSKan Liang }; 136daefd0bcSKan Liang 137666e6d48SRobert Richter static struct perf_evlist *evsel_list; 138361c99a6SArnaldo Carvalho de Melo 139b18f3e36SAndi Kleen static struct rblist metric_events; 140b18f3e36SAndi Kleen 141602ad878SArnaldo Carvalho de Melo static struct target target = { 14277a6f014SNamhyung Kim .uid = UINT_MAX, 14377a6f014SNamhyung Kim }; 14442202dd5SIngo Molnar 1451e5a2931SJiri Olsa typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); 1461e5a2931SJiri Olsa 1473d632595SJaswinder Singh Rajput static int run_count = 1; 1482e6cdf99SStephane Eranian static bool no_inherit = false; 149d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 150c0555642SIan Munsie static bool null_run = false; 1512cba3ffbSIngo Molnar static int detailed_run = 0; 1524cabc3d1SAndi Kleen static bool transaction_run; 15344b1e60aSAndi Kleen static bool topdown_run = false; 154daefd0bcSKan Liang static bool smi_cost = false; 155daefd0bcSKan Liang static bool smi_reset = false; 156201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 157d7470b6aSStephane Eranian static int big_num_opt = -1; 158d7470b6aSStephane Eranian static const char *csv_sep = NULL; 159d7470b6aSStephane Eranian static bool csv_output = false; 16043bece79SLin Ming static bool group = false; 1611f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1621f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1631f16c575SPeter Zijlstra static bool sync_run = false; 16441191688SAndi Kleen static unsigned int initial_delay = 0; 165410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 166a7e191c3SFrederik Deweerdt static bool forever = false; 16754b50916SAndi Kleen static bool metric_only = false; 16844b1e60aSAndi Kleen static bool force_metric_only = false; 169430daf2dSAndi Kleen static bool no_merge = false; 170e55c14afSJiri Olsa static bool walltime_run_table = false; 17113370a9bSStephane Eranian static struct timespec ref_time; 17286ee6e18SStephane Eranian static struct cpu_map *aggr_map; 1731e5a2931SJiri Olsa static aggr_get_id_t aggr_get_id; 174e0547311SJiri Olsa static bool append_file; 175db06a269Syuzhoujian static bool interval_count; 176e0547311SJiri Olsa static const char *output_name; 177e0547311SJiri Olsa static int output_fd; 17802d492e5SBorislav Petkov static int print_free_counters_hint; 17930060eaeSKan Liang static int print_mixed_hw_group_error; 180e55c14afSJiri Olsa static u64 *walltime_run; 1810ce2da14SJiri Olsa static bool ru_display = false; 1820ce2da14SJiri Olsa static struct rusage ru_data; 1835af52b51SStephane Eranian 1844979d0c7SJiri Olsa struct perf_stat { 1854979d0c7SJiri Olsa bool record; 1868ceb41d7SJiri Olsa struct perf_data data; 1874979d0c7SJiri Olsa struct perf_session *session; 1884979d0c7SJiri Olsa u64 bytes_written; 189ba6039b6SJiri Olsa struct perf_tool tool; 1901975d36eSJiri Olsa bool maps_allocated; 1911975d36eSJiri Olsa struct cpu_map *cpus; 1921975d36eSJiri Olsa struct thread_map *threads; 19389af4e05SJiri Olsa enum aggr_mode aggr_mode; 1944979d0c7SJiri Olsa }; 1954979d0c7SJiri Olsa 1964979d0c7SJiri Olsa static struct perf_stat perf_stat; 1974979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1984979d0c7SJiri Olsa 19960666c63SLiming Wang static volatile int done = 0; 20060666c63SLiming Wang 201421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 202421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 203711a572eSJiri Olsa .scale = true, 204421a50f3SJiri Olsa }; 205421a50f3SJiri Olsa 206e864c5caSAndi Kleen static bool is_duration_time(struct perf_evsel *evsel) 207e864c5caSAndi Kleen { 208e864c5caSAndi Kleen return !strcmp(evsel->name, "duration_time"); 209e864c5caSAndi Kleen } 210e864c5caSAndi Kleen 21113370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 21213370a9bSStephane Eranian struct timespec *b) 21313370a9bSStephane Eranian { 21413370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 21513370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 216310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 21713370a9bSStephane Eranian r->tv_sec--; 21813370a9bSStephane Eranian } else { 21913370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 22013370a9bSStephane Eranian } 22113370a9bSStephane Eranian } 22213370a9bSStephane Eranian 223254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 224254ecbc7SJiri Olsa { 22556739444SJin Yao int i; 22656739444SJin Yao 227254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 228f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 22956739444SJin Yao 23056739444SJin Yao for (i = 0; i < stat_config.stats_num; i++) 23156739444SJin Yao perf_stat__reset_shadow_per_stat(&stat_config.stats[i]); 2321eda3b21SJiri Olsa } 2331eda3b21SJiri Olsa 234cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 23586470930SIngo Molnar { 23669aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 23782bf311eSJiri Olsa struct perf_evsel *leader = evsel->leader; 238727ab04eSArnaldo Carvalho de Melo 23982bf311eSJiri Olsa if (stat_config.scale) { 24086470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 24186470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 24282bf311eSJiri Olsa } 24382bf311eSJiri Olsa 24482bf311eSJiri Olsa /* 24582bf311eSJiri Olsa * The event is part of non trivial group, let's enable 24682bf311eSJiri Olsa * the group read (for leader) and ID retrieval for all 24782bf311eSJiri Olsa * members. 24882bf311eSJiri Olsa */ 24982bf311eSJiri Olsa if (leader->nr_members > 1) 25082bf311eSJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 25186470930SIngo Molnar 2522e6cdf99SStephane Eranian attr->inherit = !no_inherit; 2535d2cd909SArnaldo Carvalho de Melo 2546acd8e92SJiri Olsa /* 2556acd8e92SJiri Olsa * Some events get initialized with sample_(period/type) set, 2566acd8e92SJiri Olsa * like tracepoints. Clear it up for counting. 2576acd8e92SJiri Olsa */ 2586acd8e92SJiri Olsa attr->sample_period = 0; 2596db1a5c1SJiri Olsa 2604979d0c7SJiri Olsa /* 2614979d0c7SJiri Olsa * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 2624979d0c7SJiri Olsa * while avoiding that older tools show confusing messages. 2636db1a5c1SJiri Olsa * 2646db1a5c1SJiri Olsa * However for pipe sessions we need to keep it zero, 2656db1a5c1SJiri Olsa * because script's perf_evsel__check_attr is triggered 2666db1a5c1SJiri Olsa * by attr->sample_type != 0, and we can't run it on 2676db1a5c1SJiri Olsa * stat sessions. 2684979d0c7SJiri Olsa */ 2698ceb41d7SJiri Olsa if (!(STAT_RECORD && perf_stat.data.is_pipe)) 2704979d0c7SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 2716acd8e92SJiri Olsa 27267ccdecdSJiri Olsa /* 27367ccdecdSJiri Olsa * Disabling all counters initially, they will be enabled 27467ccdecdSJiri Olsa * either manually by us or by kernel via enable_on_exec 27567ccdecdSJiri Olsa * set later. 27667ccdecdSJiri Olsa */ 277c8280cecSJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 27867ccdecdSJiri Olsa attr->disabled = 1; 27967ccdecdSJiri Olsa 280c8280cecSJiri Olsa /* 281c8280cecSJiri Olsa * In case of initial_delay we enable tracee 282c8280cecSJiri Olsa * events manually. 283c8280cecSJiri Olsa */ 284c8280cecSJiri Olsa if (target__none(&target) && !initial_delay) 285c8280cecSJiri Olsa attr->enable_on_exec = 1; 286c8280cecSJiri Olsa } 287c8280cecSJiri Olsa 2881d9f8d1bSJin Yao if (target__has_cpu(&target) && !target__has_per_thread(&target)) 289594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 2905622c07bSStephane Eranian 291594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 29286470930SIngo Molnar } 29386470930SIngo Molnar 29486470930SIngo Molnar /* 29586470930SIngo Molnar * Does the counter have nsecs as a unit? 29686470930SIngo Molnar */ 297daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 29886470930SIngo Molnar { 299daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 300daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 30186470930SIngo Molnar return 1; 30286470930SIngo Molnar 30386470930SIngo Molnar return 0; 30486470930SIngo Molnar } 30586470930SIngo Molnar 3068b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 3074979d0c7SJiri Olsa union perf_event *event, 3084979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 3094979d0c7SJiri Olsa struct machine *machine __maybe_unused) 3104979d0c7SJiri Olsa { 3118ceb41d7SJiri Olsa if (perf_data__write(&perf_stat.data, event, event->header.size) < 0) { 3128b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 3138b99b1a4SJiri Olsa return -1; 3148b99b1a4SJiri Olsa } 3158b99b1a4SJiri Olsa 3168b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 3178b99b1a4SJiri Olsa return 0; 3184979d0c7SJiri Olsa } 3194979d0c7SJiri Olsa 3201975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 3217aad0c32SJiri Olsa { 3221975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 3237aad0c32SJiri Olsa process_synthesized_event, 3247aad0c32SJiri Olsa NULL); 3257aad0c32SJiri Olsa } 3267aad0c32SJiri Olsa 3277aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 3287aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 3297aad0c32SJiri Olsa 3305a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 3315a6ea81bSJiri Olsa 3325a6ea81bSJiri Olsa static int 3335a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 3345a6ea81bSJiri Olsa struct perf_counts_values *count) 3355a6ea81bSJiri Olsa { 3365a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 3375a6ea81bSJiri Olsa 3385a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 3395a6ea81bSJiri Olsa process_synthesized_event, NULL); 3405a6ea81bSJiri Olsa } 3415a6ea81bSJiri Olsa 342f5b4a9c3SStephane Eranian /* 343f5b4a9c3SStephane Eranian * Read out the results of a single counter: 344f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 345f5b4a9c3SStephane Eranian */ 346c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 347f5b4a9c3SStephane Eranian { 3489bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 34900e727bbSMark Rutland int ncpus, cpu, thread; 35000e727bbSMark Rutland 3511d9f8d1bSJin Yao if (target__has_cpu(&target) && !target__has_per_thread(&target)) 35200e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 35300e727bbSMark Rutland else 35400e727bbSMark Rutland ncpus = 1; 355f5b4a9c3SStephane Eranian 3563b4331d9SSuzuki K. Poulose if (!counter->supported) 3573b4331d9SSuzuki K. Poulose return -ENOENT; 3583b4331d9SSuzuki K. Poulose 3599bf1a529SJiri Olsa if (counter->system_wide) 3609bf1a529SJiri Olsa nthreads = 1; 3619bf1a529SJiri Olsa 3629bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 3639bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 3643b3eb044SJiri Olsa struct perf_counts_values *count; 3653b3eb044SJiri Olsa 3663b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 36782bf311eSJiri Olsa 36882bf311eSJiri Olsa /* 36982bf311eSJiri Olsa * The leader's group read loads data into its group members 37082bf311eSJiri Olsa * (via perf_evsel__read_counter) and sets threir count->loaded. 37182bf311eSJiri Olsa */ 37282bf311eSJiri Olsa if (!count->loaded && 37382bf311eSJiri Olsa perf_evsel__read_counter(counter, cpu, thread)) { 374db49a717SStephane Eranian counter->counts->scaled = -1; 375db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 376db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 377c52b12edSArnaldo Carvalho de Melo return -1; 378db49a717SStephane Eranian } 3795a6ea81bSJiri Olsa 38082bf311eSJiri Olsa count->loaded = false; 38182bf311eSJiri Olsa 3825a6ea81bSJiri Olsa if (STAT_RECORD) { 3835a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3845a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3855a6ea81bSJiri Olsa return -1; 3865a6ea81bSJiri Olsa } 3875a6ea81bSJiri Olsa } 3880b1abbf4SAndi Kleen 3890b1abbf4SAndi Kleen if (verbose > 1) { 3900b1abbf4SAndi Kleen fprintf(stat_config.output, 3910b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3920b1abbf4SAndi Kleen perf_evsel__name(counter), 3930b1abbf4SAndi Kleen cpu, 3940b1abbf4SAndi Kleen count->val, count->ena, count->run); 3950b1abbf4SAndi Kleen } 396f5b4a9c3SStephane Eranian } 3979bf1a529SJiri Olsa } 398c52b12edSArnaldo Carvalho de Melo 399c52b12edSArnaldo Carvalho de Melo return 0; 40086470930SIngo Molnar } 40186470930SIngo Molnar 4023df33effSMark Rutland static void read_counters(void) 403106a94a0SJiri Olsa { 404106a94a0SJiri Olsa struct perf_evsel *counter; 405db49a717SStephane Eranian int ret; 406106a94a0SJiri Olsa 407e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 408db49a717SStephane Eranian ret = read_counter(counter); 409db49a717SStephane Eranian if (ret) 410245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 4113b3eb044SJiri Olsa 412db49a717SStephane Eranian if (ret == 0 && perf_stat_process_counter(&stat_config, counter)) 4133b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 414106a94a0SJiri Olsa } 415106a94a0SJiri Olsa } 416106a94a0SJiri Olsa 417ba411a95SJiri Olsa static void process_interval(void) 41813370a9bSStephane Eranian { 41913370a9bSStephane Eranian struct timespec ts, rs; 42013370a9bSStephane Eranian 4213df33effSMark Rutland read_counters(); 42286ee6e18SStephane Eranian 42313370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 42413370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 42513370a9bSStephane Eranian 4267aad0c32SJiri Olsa if (STAT_RECORD) { 427bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 4287aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 4297aad0c32SJiri Olsa } 4307aad0c32SJiri Olsa 431b90f1333SAndi Kleen init_stats(&walltime_nsecs_stats); 432b90f1333SAndi Kleen update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); 433d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 43413370a9bSStephane Eranian } 43513370a9bSStephane Eranian 43667ccdecdSJiri Olsa static void enable_counters(void) 43741191688SAndi Kleen { 43867ccdecdSJiri Olsa if (initial_delay) 439310ebb93SArnaldo Carvalho de Melo usleep(initial_delay * USEC_PER_MSEC); 44067ccdecdSJiri Olsa 44167ccdecdSJiri Olsa /* 44267ccdecdSJiri Olsa * We need to enable counters only if: 44367ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 44467ccdecdSJiri Olsa * - we have initial delay configured 44567ccdecdSJiri Olsa */ 44667ccdecdSJiri Olsa if (!target__none(&target) || initial_delay) 447ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 44841191688SAndi Kleen } 44941191688SAndi Kleen 4503df33effSMark Rutland static void disable_counters(void) 4513df33effSMark Rutland { 4523df33effSMark Rutland /* 4533df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 4543df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 4553df33effSMark Rutland * from counting before reading their constituent counters. 4563df33effSMark Rutland */ 4573df33effSMark Rutland if (!target__none(&target)) 4583df33effSMark Rutland perf_evlist__disable(evsel_list); 4593df33effSMark Rutland } 4603df33effSMark Rutland 461f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 4626af206fdSArnaldo Carvalho de Melo 4636af206fdSArnaldo Carvalho de Melo /* 4646af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 4656af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 4666af206fdSArnaldo Carvalho de Melo * want_signal to true. 4676af206fdSArnaldo Carvalho de Melo */ 468f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 469f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 4706af206fdSArnaldo Carvalho de Melo { 471f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 4726af206fdSArnaldo Carvalho de Melo } 4736af206fdSArnaldo Carvalho de Melo 474664c98d4SJiri Olsa static int perf_stat_synthesize_config(bool is_pipe) 4758b99b1a4SJiri Olsa { 4768b99b1a4SJiri Olsa int err; 4778b99b1a4SJiri Olsa 478664c98d4SJiri Olsa if (is_pipe) { 479664c98d4SJiri Olsa err = perf_event__synthesize_attrs(NULL, perf_stat.session, 480664c98d4SJiri Olsa process_synthesized_event); 481664c98d4SJiri Olsa if (err < 0) { 482664c98d4SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 483664c98d4SJiri Olsa return err; 484664c98d4SJiri Olsa } 485664c98d4SJiri Olsa } 486664c98d4SJiri Olsa 487bfd8f72cSAndi Kleen err = perf_event__synthesize_extra_attr(NULL, 488bfd8f72cSAndi Kleen evsel_list, 489bfd8f72cSAndi Kleen process_synthesized_event, 490bfd8f72cSAndi Kleen is_pipe); 4917b60a7e3SJiri Olsa 4928b99b1a4SJiri Olsa err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, 4938b99b1a4SJiri Olsa process_synthesized_event, 4948b99b1a4SJiri Olsa NULL); 4958b99b1a4SJiri Olsa if (err < 0) { 4968b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4978b99b1a4SJiri Olsa return err; 4988b99b1a4SJiri Olsa } 4998b99b1a4SJiri Olsa 5008b99b1a4SJiri Olsa err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, 5018b99b1a4SJiri Olsa process_synthesized_event, NULL); 5028b99b1a4SJiri Olsa if (err < 0) { 5038b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5048b99b1a4SJiri Olsa return err; 5058b99b1a4SJiri Olsa } 5068b99b1a4SJiri Olsa 5078b99b1a4SJiri Olsa err = perf_event__synthesize_stat_config(NULL, &stat_config, 5088b99b1a4SJiri Olsa process_synthesized_event, NULL); 5098b99b1a4SJiri Olsa if (err < 0) { 5108b99b1a4SJiri Olsa pr_err("Couldn't synthesize config.\n"); 5118b99b1a4SJiri Olsa return err; 5128b99b1a4SJiri Olsa } 5138b99b1a4SJiri Olsa 5148b99b1a4SJiri Olsa return 0; 5158b99b1a4SJiri Olsa } 5168b99b1a4SJiri Olsa 5172af4646dSJiri Olsa #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 5182af4646dSJiri Olsa 51942811d50SAndi Kleen static int __store_counter_ids(struct perf_evsel *counter) 5202af4646dSJiri Olsa { 5212af4646dSJiri Olsa int cpu, thread; 5222af4646dSJiri Olsa 52342811d50SAndi Kleen for (cpu = 0; cpu < xyarray__max_x(counter->fd); cpu++) { 52442811d50SAndi Kleen for (thread = 0; thread < xyarray__max_y(counter->fd); 52542811d50SAndi Kleen thread++) { 5262af4646dSJiri Olsa int fd = FD(counter, cpu, thread); 5272af4646dSJiri Olsa 5282af4646dSJiri Olsa if (perf_evlist__id_add_fd(evsel_list, counter, 5292af4646dSJiri Olsa cpu, thread, fd) < 0) 5302af4646dSJiri Olsa return -1; 5312af4646dSJiri Olsa } 5322af4646dSJiri Olsa } 5332af4646dSJiri Olsa 5342af4646dSJiri Olsa return 0; 5352af4646dSJiri Olsa } 5362af4646dSJiri Olsa 5372af4646dSJiri Olsa static int store_counter_ids(struct perf_evsel *counter) 5382af4646dSJiri Olsa { 5392af4646dSJiri Olsa struct cpu_map *cpus = counter->cpus; 5402af4646dSJiri Olsa struct thread_map *threads = counter->threads; 5412af4646dSJiri Olsa 5422af4646dSJiri Olsa if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) 5432af4646dSJiri Olsa return -ENOMEM; 5442af4646dSJiri Olsa 54542811d50SAndi Kleen return __store_counter_ids(counter); 5462af4646dSJiri Olsa } 5472af4646dSJiri Olsa 54882bf311eSJiri Olsa static bool perf_evsel__should_store_id(struct perf_evsel *counter) 54982bf311eSJiri Olsa { 55082bf311eSJiri Olsa return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID; 55182bf311eSJiri Olsa } 55282bf311eSJiri Olsa 5535a5dfe4bSAndi Kleen static struct perf_evsel *perf_evsel__reset_weak_group(struct perf_evsel *evsel) 5545a5dfe4bSAndi Kleen { 5555a5dfe4bSAndi Kleen struct perf_evsel *c2, *leader; 5565a5dfe4bSAndi Kleen bool is_open = true; 5575a5dfe4bSAndi Kleen 5585a5dfe4bSAndi Kleen leader = evsel->leader; 5595a5dfe4bSAndi Kleen pr_debug("Weak group for %s/%d failed\n", 5605a5dfe4bSAndi Kleen leader->name, leader->nr_members); 5615a5dfe4bSAndi Kleen 5625a5dfe4bSAndi Kleen /* 5635a5dfe4bSAndi Kleen * for_each_group_member doesn't work here because it doesn't 5645a5dfe4bSAndi Kleen * include the first entry. 5655a5dfe4bSAndi Kleen */ 5665a5dfe4bSAndi Kleen evlist__for_each_entry(evsel_list, c2) { 5675a5dfe4bSAndi Kleen if (c2 == evsel) 5685a5dfe4bSAndi Kleen is_open = false; 5695a5dfe4bSAndi Kleen if (c2->leader == leader) { 5705a5dfe4bSAndi Kleen if (is_open) 5715a5dfe4bSAndi Kleen perf_evsel__close(c2); 5725a5dfe4bSAndi Kleen c2->leader = c2; 5735a5dfe4bSAndi Kleen c2->nr_members = 0; 5745a5dfe4bSAndi Kleen } 5755a5dfe4bSAndi Kleen } 5765a5dfe4bSAndi Kleen return leader; 5775a5dfe4bSAndi Kleen } 5785a5dfe4bSAndi Kleen 579e55c14afSJiri Olsa static int __run_perf_stat(int argc, const char **argv, int run_idx) 58086470930SIngo Molnar { 581ec0d3d1fSJiri Olsa int interval = stat_config.interval; 582db06a269Syuzhoujian int times = stat_config.times; 583f1f8ad52Syuzhoujian int timeout = stat_config.timeout; 584d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 58586470930SIngo Molnar unsigned long long t0, t1; 586cac21425SJiri Olsa struct perf_evsel *counter; 58713370a9bSStephane Eranian struct timespec ts; 588410136f5SStephane Eranian size_t l; 58942202dd5SIngo Molnar int status = 0; 5906be2850eSZhang, Yanmin const bool forks = (argc > 0); 5918ceb41d7SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.data.is_pipe : false; 5925d8bb1ecSMathieu Poirier struct perf_evsel_config_term *err_term; 59386470930SIngo Molnar 59413370a9bSStephane Eranian if (interval) { 595310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 596310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 597f1f8ad52Syuzhoujian } else if (timeout) { 598f1f8ad52Syuzhoujian ts.tv_sec = timeout / USEC_PER_MSEC; 599f1f8ad52Syuzhoujian ts.tv_nsec = (timeout % USEC_PER_MSEC) * NSEC_PER_MSEC; 60013370a9bSStephane Eranian } else { 60113370a9bSStephane Eranian ts.tv_sec = 1; 60213370a9bSStephane Eranian ts.tv_nsec = 0; 60313370a9bSStephane Eranian } 60413370a9bSStephane Eranian 605acf28922SNamhyung Kim if (forks) { 606664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 607735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 608acf28922SNamhyung Kim perror("failed to prepare workload"); 609fceda7feSDavid Ahern return -1; 610051ae7f7SPaul Mackerras } 611d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 61260666c63SLiming Wang } 613051ae7f7SPaul Mackerras 6146a4bb04cSJiri Olsa if (group) 61563dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 6166a4bb04cSJiri Olsa 617e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 61842ef8a78SArnaldo Carvalho de Melo try_again: 619cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 6205a5dfe4bSAndi Kleen 6215a5dfe4bSAndi Kleen /* Weak group failed. Reset the group. */ 62235c1980eSAndi Kleen if ((errno == EINVAL || errno == EBADF) && 6235a5dfe4bSAndi Kleen counter->leader != counter && 6245a5dfe4bSAndi Kleen counter->weak_group) { 6255a5dfe4bSAndi Kleen counter = perf_evsel__reset_weak_group(counter); 6265a5dfe4bSAndi Kleen goto try_again; 6275a5dfe4bSAndi Kleen } 6285a5dfe4bSAndi Kleen 629979987a5SDavid Ahern /* 630979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 631979987a5SDavid Ahern * (behavior changed with commit b0a873e). 632979987a5SDavid Ahern */ 63338f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 634979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 635979987a5SDavid Ahern errno == ENXIO) { 636bb963e16SNamhyung Kim if (verbose > 0) 637c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 6387289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 6392cee77c4SDavid Ahern counter->supported = false; 640cb5ef600SKan Liang 641cb5ef600SKan Liang if ((counter->leader != counter) || 642cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 643ede70290SIngo Molnar continue; 64442ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 645bb963e16SNamhyung Kim if (verbose > 0) 64642ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 64742ef8a78SArnaldo Carvalho de Melo goto try_again; 648ab6c79b8SJin Yao } else if (target__has_per_thread(&target) && 649ab6c79b8SJin Yao evsel_list->threads && 650ab6c79b8SJin Yao evsel_list->threads->err_thread != -1) { 651ab6c79b8SJin Yao /* 652ab6c79b8SJin Yao * For global --per-thread case, skip current 653ab6c79b8SJin Yao * error thread. 654ab6c79b8SJin Yao */ 655ab6c79b8SJin Yao if (!thread_map__remove(evsel_list->threads, 656ab6c79b8SJin Yao evsel_list->threads->err_thread)) { 657ab6c79b8SJin Yao evsel_list->threads->err_thread = -1; 658ab6c79b8SJin Yao goto try_again; 659ab6c79b8SJin Yao } 660c63ca0c0SDavid Ahern } 661ede70290SIngo Molnar 66256e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 66356e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 66456e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 66556e52e85SArnaldo Carvalho de Melo 666084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 667084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 668fceda7feSDavid Ahern 669084ab9f8SArnaldo Carvalho de Melo return -1; 670084ab9f8SArnaldo Carvalho de Melo } 6712cee77c4SDavid Ahern counter->supported = true; 672410136f5SStephane Eranian 673410136f5SStephane Eranian l = strlen(counter->unit); 674410136f5SStephane Eranian if (l > unit_width) 675410136f5SStephane Eranian unit_width = l; 6762af4646dSJiri Olsa 67782bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 67882bf311eSJiri Olsa store_counter_ids(counter)) 6792af4646dSJiri Olsa return -1; 68048290609SArnaldo Carvalho de Melo } 68186470930SIngo Molnar 68223d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 68362d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 68423d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 685c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 686cfd748aeSFrederic Weisbecker return -1; 687cfd748aeSFrederic Weisbecker } 688cfd748aeSFrederic Weisbecker 6895d8bb1ecSMathieu Poirier if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) { 69062d94b00SArnaldo Carvalho de Melo pr_err("failed to set config \"%s\" on event %s with %d (%s)\n", 6915d8bb1ecSMathieu Poirier err_term->val.drv_cfg, perf_evsel__name(counter), errno, 6925d8bb1ecSMathieu Poirier str_error_r(errno, msg, sizeof(msg))); 6935d8bb1ecSMathieu Poirier return -1; 6945d8bb1ecSMathieu Poirier } 6955d8bb1ecSMathieu Poirier 6964979d0c7SJiri Olsa if (STAT_RECORD) { 6978ceb41d7SJiri Olsa int err, fd = perf_data__fd(&perf_stat.data); 6984979d0c7SJiri Olsa 699664c98d4SJiri Olsa if (is_pipe) { 7008ceb41d7SJiri Olsa err = perf_header__write_pipe(perf_data__fd(&perf_stat.data)); 701664c98d4SJiri Olsa } else { 7024979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 7034979d0c7SJiri Olsa fd, false); 704664c98d4SJiri Olsa } 705664c98d4SJiri Olsa 7064979d0c7SJiri Olsa if (err < 0) 7074979d0c7SJiri Olsa return err; 7088b99b1a4SJiri Olsa 709664c98d4SJiri Olsa err = perf_stat_synthesize_config(is_pipe); 7108b99b1a4SJiri Olsa if (err < 0) 7118b99b1a4SJiri Olsa return err; 7124979d0c7SJiri Olsa } 7134979d0c7SJiri Olsa 71486470930SIngo Molnar /* 71586470930SIngo Molnar * Enable counters and exec the command: 71686470930SIngo Molnar */ 71786470930SIngo Molnar t0 = rdclock(); 71813370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 71986470930SIngo Molnar 72060666c63SLiming Wang if (forks) { 721acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 72267ccdecdSJiri Olsa enable_counters(); 723acf28922SNamhyung Kim 724f1f8ad52Syuzhoujian if (interval || timeout) { 72513370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 72613370a9bSStephane Eranian nanosleep(&ts, NULL); 727f1f8ad52Syuzhoujian if (timeout) 728f1f8ad52Syuzhoujian break; 729ba411a95SJiri Olsa process_interval(); 730db06a269Syuzhoujian if (interval_count && !(--times)) 731db06a269Syuzhoujian break; 73213370a9bSStephane Eranian } 73313370a9bSStephane Eranian } 7340ce2da14SJiri Olsa wait4(child_pid, &status, 0, &ru_data); 7356af206fdSArnaldo Carvalho de Melo 736f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 737c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 738f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 7396af206fdSArnaldo Carvalho de Melo return -1; 740f33cbe72SArnaldo Carvalho de Melo } 7416af206fdSArnaldo Carvalho de Melo 74233e49ea7SAndi Kleen if (WIFSIGNALED(status)) 74333e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 74460666c63SLiming Wang } else { 74567ccdecdSJiri Olsa enable_counters(); 74613370a9bSStephane Eranian while (!done) { 74713370a9bSStephane Eranian nanosleep(&ts, NULL); 748f1f8ad52Syuzhoujian if (timeout) 749f1f8ad52Syuzhoujian break; 750db06a269Syuzhoujian if (interval) { 751ba411a95SJiri Olsa process_interval(); 752db06a269Syuzhoujian if (interval_count && !(--times)) 753db06a269Syuzhoujian break; 754db06a269Syuzhoujian } 75513370a9bSStephane Eranian } 75660666c63SLiming Wang } 75786470930SIngo Molnar 7583df33effSMark Rutland disable_counters(); 7593df33effSMark Rutland 76086470930SIngo Molnar t1 = rdclock(); 76186470930SIngo Molnar 762e55c14afSJiri Olsa if (walltime_run_table) 763e55c14afSJiri Olsa walltime_run[run_idx] = t1 - t0; 764e55c14afSJiri Olsa 7659e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 76642202dd5SIngo Molnar 7673df33effSMark Rutland /* 7683df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 7693df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 7703df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 7713df33effSMark Rutland * group leaders. 7723df33effSMark Rutland */ 7733df33effSMark Rutland read_counters(); 7743df33effSMark Rutland perf_evlist__close(evsel_list); 775c52b12edSArnaldo Carvalho de Melo 77642202dd5SIngo Molnar return WEXITSTATUS(status); 77742202dd5SIngo Molnar } 77842202dd5SIngo Molnar 779e55c14afSJiri Olsa static int run_perf_stat(int argc, const char **argv, int run_idx) 7801f16c575SPeter Zijlstra { 7811f16c575SPeter Zijlstra int ret; 7821f16c575SPeter Zijlstra 7831f16c575SPeter Zijlstra if (pre_cmd) { 7841f16c575SPeter Zijlstra ret = system(pre_cmd); 7851f16c575SPeter Zijlstra if (ret) 7861f16c575SPeter Zijlstra return ret; 7871f16c575SPeter Zijlstra } 7881f16c575SPeter Zijlstra 7891f16c575SPeter Zijlstra if (sync_run) 7901f16c575SPeter Zijlstra sync(); 7911f16c575SPeter Zijlstra 792e55c14afSJiri Olsa ret = __run_perf_stat(argc, argv, run_idx); 7931f16c575SPeter Zijlstra if (ret) 7941f16c575SPeter Zijlstra return ret; 7951f16c575SPeter Zijlstra 7961f16c575SPeter Zijlstra if (post_cmd) { 7971f16c575SPeter Zijlstra ret = system(post_cmd); 7981f16c575SPeter Zijlstra if (ret) 7991f16c575SPeter Zijlstra return ret; 8001f16c575SPeter Zijlstra } 8011f16c575SPeter Zijlstra 8021f16c575SPeter Zijlstra return ret; 8031f16c575SPeter Zijlstra } 8041f16c575SPeter Zijlstra 805d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 806d73515c0SAndi Kleen { 807d73515c0SAndi Kleen if (csv_output) { 8085821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 809d73515c0SAndi Kleen csv_sep, 810d73515c0SAndi Kleen run, 811d73515c0SAndi Kleen csv_sep, 812d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 813d73515c0SAndi Kleen } else if (run != ena) { 8145821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 815d73515c0SAndi Kleen } 816d73515c0SAndi Kleen } 817d73515c0SAndi Kleen 818f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 819f99844cbSIngo Molnar { 8200007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 821f99844cbSIngo Molnar 8223ae9a34dSZhengyu He if (csv_output) 8235821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 824a1bca6ccSJim Cromie else if (pct) 8255821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 826f99844cbSIngo Molnar } 827f99844cbSIngo Molnar 82869aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 82942202dd5SIngo Molnar { 830581cc8a2SJiri Olsa struct perf_stat_evsel *ps; 83169aad6f1SArnaldo Carvalho de Melo 832849abde9SPeter Zijlstra if (run_count == 1) 833849abde9SPeter Zijlstra return; 834849abde9SPeter Zijlstra 835e669e833SArnaldo Carvalho de Melo ps = evsel->stats; 836f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 83742202dd5SIngo Molnar } 83842202dd5SIngo Molnar 83912c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 84042202dd5SIngo Molnar { 841421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 84212c08a9fSStephane Eranian case AGGR_CORE: 8435821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 84412c08a9fSStephane Eranian cpu_map__id_to_socket(id), 84512c08a9fSStephane Eranian csv_output ? 0 : -8, 84612c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 84712c08a9fSStephane Eranian csv_sep, 84812c08a9fSStephane Eranian csv_output ? 0 : 4, 84912c08a9fSStephane Eranian nr, 85012c08a9fSStephane Eranian csv_sep); 85112c08a9fSStephane Eranian break; 85286ee6e18SStephane Eranian case AGGR_SOCKET: 8535821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 854d7e7a451SStephane Eranian csv_output ? 0 : -5, 85512c08a9fSStephane Eranian id, 856d7e7a451SStephane Eranian csv_sep, 857d7e7a451SStephane Eranian csv_output ? 0 : 4, 858d7e7a451SStephane Eranian nr, 859d7e7a451SStephane Eranian csv_sep); 86086ee6e18SStephane Eranian break; 86186ee6e18SStephane Eranian case AGGR_NONE: 8625821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 863d7470b6aSStephane Eranian csv_output ? 0 : -4, 86412c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 86586ee6e18SStephane Eranian break; 86632b8af82SJiri Olsa case AGGR_THREAD: 8675821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 86832b8af82SJiri Olsa csv_output ? 0 : 16, 86932b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 87032b8af82SJiri Olsa csv_output ? 0 : -8, 87132b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 87232b8af82SJiri Olsa csv_sep); 87332b8af82SJiri Olsa break; 87486ee6e18SStephane Eranian case AGGR_GLOBAL: 875208df99eSJiri Olsa case AGGR_UNSET: 87686ee6e18SStephane Eranian default: 87786ee6e18SStephane Eranian break; 87886ee6e18SStephane Eranian } 87986ee6e18SStephane Eranian } 880d7470b6aSStephane Eranian 881140aeadcSAndi Kleen struct outstate { 882140aeadcSAndi Kleen FILE *fh; 883140aeadcSAndi Kleen bool newline; 884f9483392SAndi Kleen const char *prefix; 88592a61f64SAndi Kleen int nfields; 88644d49a60SAndi Kleen int id, nr; 88744d49a60SAndi Kleen struct perf_evsel *evsel; 888140aeadcSAndi Kleen }; 889140aeadcSAndi Kleen 890140aeadcSAndi Kleen #define METRIC_LEN 35 891140aeadcSAndi Kleen 892140aeadcSAndi Kleen static void new_line_std(void *ctx) 893140aeadcSAndi Kleen { 894140aeadcSAndi Kleen struct outstate *os = ctx; 895140aeadcSAndi Kleen 896140aeadcSAndi Kleen os->newline = true; 897140aeadcSAndi Kleen } 898140aeadcSAndi Kleen 899140aeadcSAndi Kleen static void do_new_line_std(struct outstate *os) 900140aeadcSAndi Kleen { 901140aeadcSAndi Kleen fputc('\n', os->fh); 902f9483392SAndi Kleen fputs(os->prefix, os->fh); 90344d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 904140aeadcSAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 905140aeadcSAndi Kleen fprintf(os->fh, " "); 906140aeadcSAndi Kleen fprintf(os->fh, " "); 907140aeadcSAndi Kleen } 908140aeadcSAndi Kleen 909140aeadcSAndi Kleen static void print_metric_std(void *ctx, const char *color, const char *fmt, 910140aeadcSAndi Kleen const char *unit, double val) 911140aeadcSAndi Kleen { 912140aeadcSAndi Kleen struct outstate *os = ctx; 913140aeadcSAndi Kleen FILE *out = os->fh; 914140aeadcSAndi Kleen int n; 915140aeadcSAndi Kleen bool newline = os->newline; 916140aeadcSAndi Kleen 917140aeadcSAndi Kleen os->newline = false; 918140aeadcSAndi Kleen 919140aeadcSAndi Kleen if (unit == NULL || fmt == NULL) { 920140aeadcSAndi Kleen fprintf(out, "%-*s", METRIC_LEN, ""); 921140aeadcSAndi Kleen return; 922140aeadcSAndi Kleen } 923140aeadcSAndi Kleen 924140aeadcSAndi Kleen if (newline) 925140aeadcSAndi Kleen do_new_line_std(os); 926140aeadcSAndi Kleen 927140aeadcSAndi Kleen n = fprintf(out, " # "); 928140aeadcSAndi Kleen if (color) 929140aeadcSAndi Kleen n += color_fprintf(out, color, fmt, val); 930140aeadcSAndi Kleen else 931140aeadcSAndi Kleen n += fprintf(out, fmt, val); 932140aeadcSAndi Kleen fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 933140aeadcSAndi Kleen } 934140aeadcSAndi Kleen 93592a61f64SAndi Kleen static void new_line_csv(void *ctx) 93692a61f64SAndi Kleen { 93792a61f64SAndi Kleen struct outstate *os = ctx; 93892a61f64SAndi Kleen int i; 93992a61f64SAndi Kleen 94092a61f64SAndi Kleen fputc('\n', os->fh); 94192a61f64SAndi Kleen if (os->prefix) 94292a61f64SAndi Kleen fprintf(os->fh, "%s%s", os->prefix, csv_sep); 94344d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 94492a61f64SAndi Kleen for (i = 0; i < os->nfields; i++) 94592a61f64SAndi Kleen fputs(csv_sep, os->fh); 94692a61f64SAndi Kleen } 94792a61f64SAndi Kleen 94892a61f64SAndi Kleen static void print_metric_csv(void *ctx, 94992a61f64SAndi Kleen const char *color __maybe_unused, 95092a61f64SAndi Kleen const char *fmt, const char *unit, double val) 95192a61f64SAndi Kleen { 95292a61f64SAndi Kleen struct outstate *os = ctx; 95392a61f64SAndi Kleen FILE *out = os->fh; 95492a61f64SAndi Kleen char buf[64], *vals, *ends; 95592a61f64SAndi Kleen 95692a61f64SAndi Kleen if (unit == NULL || fmt == NULL) { 95740c21898SIlya Pronin fprintf(out, "%s%s", csv_sep, csv_sep); 95892a61f64SAndi Kleen return; 95992a61f64SAndi Kleen } 96092a61f64SAndi Kleen snprintf(buf, sizeof(buf), fmt, val); 961b07c40dfSTaeung Song ends = vals = ltrim(buf); 96292a61f64SAndi Kleen while (isdigit(*ends) || *ends == '.') 96392a61f64SAndi Kleen ends++; 96492a61f64SAndi Kleen *ends = 0; 96592a61f64SAndi Kleen while (isspace(*unit)) 96692a61f64SAndi Kleen unit++; 96792a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); 96892a61f64SAndi Kleen } 96992a61f64SAndi Kleen 97054b50916SAndi Kleen #define METRIC_ONLY_LEN 20 97154b50916SAndi Kleen 97254b50916SAndi Kleen /* Filter out some columns that don't work well in metrics only mode */ 97354b50916SAndi Kleen 97454b50916SAndi Kleen static bool valid_only_metric(const char *unit) 97554b50916SAndi Kleen { 97654b50916SAndi Kleen if (!unit) 97754b50916SAndi Kleen return false; 97854b50916SAndi Kleen if (strstr(unit, "/sec") || 97954b50916SAndi Kleen strstr(unit, "hz") || 98054b50916SAndi Kleen strstr(unit, "Hz") || 98154b50916SAndi Kleen strstr(unit, "CPUs utilized")) 98254b50916SAndi Kleen return false; 98354b50916SAndi Kleen return true; 98454b50916SAndi Kleen } 98554b50916SAndi Kleen 98654b50916SAndi Kleen static const char *fixunit(char *buf, struct perf_evsel *evsel, 98754b50916SAndi Kleen const char *unit) 98854b50916SAndi Kleen { 98954b50916SAndi Kleen if (!strncmp(unit, "of all", 6)) { 99054b50916SAndi Kleen snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), 99154b50916SAndi Kleen unit); 99254b50916SAndi Kleen return buf; 99354b50916SAndi Kleen } 99454b50916SAndi Kleen return unit; 99554b50916SAndi Kleen } 99654b50916SAndi Kleen 99754b50916SAndi Kleen static void print_metric_only(void *ctx, const char *color, const char *fmt, 99854b50916SAndi Kleen const char *unit, double val) 99954b50916SAndi Kleen { 100054b50916SAndi Kleen struct outstate *os = ctx; 100154b50916SAndi Kleen FILE *out = os->fh; 100254b50916SAndi Kleen int n; 100354b50916SAndi Kleen char buf[1024]; 100454b50916SAndi Kleen unsigned mlen = METRIC_ONLY_LEN; 100554b50916SAndi Kleen 100654b50916SAndi Kleen if (!valid_only_metric(unit)) 100754b50916SAndi Kleen return; 100854b50916SAndi Kleen unit = fixunit(buf, os->evsel, unit); 100954b50916SAndi Kleen if (color) 101054b50916SAndi Kleen n = color_fprintf(out, color, fmt, val); 101154b50916SAndi Kleen else 101254b50916SAndi Kleen n = fprintf(out, fmt, val); 101354b50916SAndi Kleen if (n > METRIC_ONLY_LEN) 101454b50916SAndi Kleen n = METRIC_ONLY_LEN; 101554b50916SAndi Kleen if (mlen < strlen(unit)) 101654b50916SAndi Kleen mlen = strlen(unit) + 1; 101754b50916SAndi Kleen fprintf(out, "%*s", mlen - n, ""); 101854b50916SAndi Kleen } 101954b50916SAndi Kleen 102054b50916SAndi Kleen static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, 102154b50916SAndi Kleen const char *fmt, 102254b50916SAndi Kleen const char *unit, double val) 102354b50916SAndi Kleen { 102454b50916SAndi Kleen struct outstate *os = ctx; 102554b50916SAndi Kleen FILE *out = os->fh; 102654b50916SAndi Kleen char buf[64], *vals, *ends; 102754b50916SAndi Kleen char tbuf[1024]; 102854b50916SAndi Kleen 102954b50916SAndi Kleen if (!valid_only_metric(unit)) 103054b50916SAndi Kleen return; 103154b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 103254b50916SAndi Kleen snprintf(buf, sizeof buf, fmt, val); 1033b07c40dfSTaeung Song ends = vals = ltrim(buf); 103454b50916SAndi Kleen while (isdigit(*ends) || *ends == '.') 103554b50916SAndi Kleen ends++; 103654b50916SAndi Kleen *ends = 0; 103754b50916SAndi Kleen fprintf(out, "%s%s", vals, csv_sep); 103854b50916SAndi Kleen } 103954b50916SAndi Kleen 104054b50916SAndi Kleen static void new_line_metric(void *ctx __maybe_unused) 104154b50916SAndi Kleen { 104254b50916SAndi Kleen } 104354b50916SAndi Kleen 104454b50916SAndi Kleen static void print_metric_header(void *ctx, const char *color __maybe_unused, 104554b50916SAndi Kleen const char *fmt __maybe_unused, 104654b50916SAndi Kleen const char *unit, double val __maybe_unused) 104754b50916SAndi Kleen { 104854b50916SAndi Kleen struct outstate *os = ctx; 104954b50916SAndi Kleen char tbuf[1024]; 105054b50916SAndi Kleen 105154b50916SAndi Kleen if (!valid_only_metric(unit)) 105254b50916SAndi Kleen return; 105354b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 105454b50916SAndi Kleen if (csv_output) 105554b50916SAndi Kleen fprintf(os->fh, "%s%s", unit, csv_sep); 105654b50916SAndi Kleen else 105754b50916SAndi Kleen fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); 105854b50916SAndi Kleen } 105954b50916SAndi Kleen 1060da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 106186ee6e18SStephane Eranian { 10625821522eSJiri Olsa FILE *output = stat_config.output; 1063310ebb93SArnaldo Carvalho de Melo double msecs = avg / NSEC_PER_MSEC; 1064410136f5SStephane Eranian const char *fmt_v, *fmt_n; 10654bbe5a61SDavid Ahern char name[25]; 106686ee6e18SStephane Eranian 1067410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 1068410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 1069410136f5SStephane Eranian 1070da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 107186ee6e18SStephane Eranian 10724bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 10734bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 1074410136f5SStephane Eranian 1075410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 1076410136f5SStephane Eranian 1077410136f5SStephane Eranian if (csv_output) 1078410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 1079410136f5SStephane Eranian else 1080410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 1081410136f5SStephane Eranian 1082410136f5SStephane Eranian fprintf(output, fmt_n, name); 1083d7470b6aSStephane Eranian 1084023695d9SStephane Eranian if (evsel->cgrp) 10854aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 108642202dd5SIngo Molnar } 108742202dd5SIngo Molnar 108844d49a60SAndi Kleen static int first_shadow_cpu(struct perf_evsel *evsel, int id) 108944d49a60SAndi Kleen { 109044d49a60SAndi Kleen int i; 109144d49a60SAndi Kleen 109244d49a60SAndi Kleen if (!aggr_get_id) 109344d49a60SAndi Kleen return 0; 109444d49a60SAndi Kleen 109544d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 109644d49a60SAndi Kleen return id; 109744d49a60SAndi Kleen 109844d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL) 109944d49a60SAndi Kleen return 0; 110044d49a60SAndi Kleen 110144d49a60SAndi Kleen for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { 110244d49a60SAndi Kleen int cpu2 = perf_evsel__cpus(evsel)->map[i]; 110344d49a60SAndi Kleen 110444d49a60SAndi Kleen if (aggr_get_id(evsel_list->cpus, cpu2) == id) 110544d49a60SAndi Kleen return cpu2; 110644d49a60SAndi Kleen } 110744d49a60SAndi Kleen return 0; 110844d49a60SAndi Kleen } 110944d49a60SAndi Kleen 1110556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 1111556b1fb7SJiri Olsa { 11125821522eSJiri Olsa FILE *output = stat_config.output; 1113556b1fb7SJiri Olsa double sc = evsel->scale; 1114556b1fb7SJiri Olsa const char *fmt; 1115556b1fb7SJiri Olsa 1116556b1fb7SJiri Olsa if (csv_output) { 1117e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; 1118556b1fb7SJiri Olsa } else { 1119556b1fb7SJiri Olsa if (big_num) 1120e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; 1121556b1fb7SJiri Olsa else 1122e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; 1123556b1fb7SJiri Olsa } 1124556b1fb7SJiri Olsa 1125556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 1126556b1fb7SJiri Olsa 1127556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 1128556b1fb7SJiri Olsa 1129556b1fb7SJiri Olsa if (evsel->unit) 1130556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 1131556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 1132556b1fb7SJiri Olsa evsel->unit, csv_sep); 1133556b1fb7SJiri Olsa 1134556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 1135556b1fb7SJiri Olsa 1136556b1fb7SJiri Olsa if (evsel->cgrp) 1137556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 1138eedfcb4bSAndi Kleen } 1139556b1fb7SJiri Olsa 114030060eaeSKan Liang static bool is_mixed_hw_group(struct perf_evsel *counter) 114130060eaeSKan Liang { 114230060eaeSKan Liang struct perf_evlist *evlist = counter->evlist; 114330060eaeSKan Liang u32 pmu_type = counter->attr.type; 114430060eaeSKan Liang struct perf_evsel *pos; 114530060eaeSKan Liang 114630060eaeSKan Liang if (counter->nr_members < 2) 114730060eaeSKan Liang return false; 114830060eaeSKan Liang 114930060eaeSKan Liang evlist__for_each_entry(evlist, pos) { 115030060eaeSKan Liang /* software events can be part of any hardware group */ 115130060eaeSKan Liang if (pos->attr.type == PERF_TYPE_SOFTWARE) 115230060eaeSKan Liang continue; 115330060eaeSKan Liang if (pmu_type == PERF_TYPE_SOFTWARE) { 115430060eaeSKan Liang pmu_type = pos->attr.type; 115530060eaeSKan Liang continue; 115630060eaeSKan Liang } 115730060eaeSKan Liang if (pmu_type != pos->attr.type) 115830060eaeSKan Liang return true; 115930060eaeSKan Liang } 116030060eaeSKan Liang 116130060eaeSKan Liang return false; 116230060eaeSKan Liang } 116330060eaeSKan Liang 1164f9483392SAndi Kleen static void printout(int id, int nr, struct perf_evsel *counter, double uval, 1165e0128b30SJin Yao char *prefix, u64 run, u64 ena, double noise, 1166e0128b30SJin Yao struct runtime_stat *st) 1167eedfcb4bSAndi Kleen { 1168140aeadcSAndi Kleen struct perf_stat_output_ctx out; 1169f9483392SAndi Kleen struct outstate os = { 1170f9483392SAndi Kleen .fh = stat_config.output, 117144d49a60SAndi Kleen .prefix = prefix ? prefix : "", 117244d49a60SAndi Kleen .id = id, 117344d49a60SAndi Kleen .nr = nr, 117444d49a60SAndi Kleen .evsel = counter, 1175f9483392SAndi Kleen }; 1176140aeadcSAndi Kleen print_metric_t pm = print_metric_std; 1177140aeadcSAndi Kleen void (*nl)(void *); 1178556b1fb7SJiri Olsa 117954b50916SAndi Kleen if (metric_only) { 118054b50916SAndi Kleen nl = new_line_metric; 118154b50916SAndi Kleen if (csv_output) 118254b50916SAndi Kleen pm = print_metric_only_csv; 118354b50916SAndi Kleen else 118454b50916SAndi Kleen pm = print_metric_only; 118554b50916SAndi Kleen } else 1186140aeadcSAndi Kleen nl = new_line_std; 1187eedfcb4bSAndi Kleen 118854b50916SAndi Kleen if (csv_output && !metric_only) { 118992a61f64SAndi Kleen static int aggr_fields[] = { 119092a61f64SAndi Kleen [AGGR_GLOBAL] = 0, 119192a61f64SAndi Kleen [AGGR_THREAD] = 1, 119292a61f64SAndi Kleen [AGGR_NONE] = 1, 119392a61f64SAndi Kleen [AGGR_SOCKET] = 2, 119492a61f64SAndi Kleen [AGGR_CORE] = 2, 119592a61f64SAndi Kleen }; 119692a61f64SAndi Kleen 119792a61f64SAndi Kleen pm = print_metric_csv; 119892a61f64SAndi Kleen nl = new_line_csv; 119992a61f64SAndi Kleen os.nfields = 3; 120092a61f64SAndi Kleen os.nfields += aggr_fields[stat_config.aggr_mode]; 120192a61f64SAndi Kleen if (counter->cgrp) 120292a61f64SAndi Kleen os.nfields++; 120392a61f64SAndi Kleen } 1204b002f3bbSAndi Kleen if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 120554b50916SAndi Kleen if (metric_only) { 120654b50916SAndi Kleen pm(&os, NULL, "", "", 0); 120754b50916SAndi Kleen return; 120854b50916SAndi Kleen } 1209cb110f47SAndi Kleen aggr_printout(counter, id, nr); 1210cb110f47SAndi Kleen 1211cb110f47SAndi Kleen fprintf(stat_config.output, "%*s%s", 1212cb110f47SAndi Kleen csv_output ? 0 : 18, 1213cb110f47SAndi Kleen counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 1214cb110f47SAndi Kleen csv_sep); 1215cb110f47SAndi Kleen 121630060eaeSKan Liang if (counter->supported) { 121702d492e5SBorislav Petkov print_free_counters_hint = 1; 121830060eaeSKan Liang if (is_mixed_hw_group(counter)) 121930060eaeSKan Liang print_mixed_hw_group_error = 1; 122030060eaeSKan Liang } 122102d492e5SBorislav Petkov 1222cb110f47SAndi Kleen fprintf(stat_config.output, "%-*s%s", 1223cb110f47SAndi Kleen csv_output ? 0 : unit_width, 1224cb110f47SAndi Kleen counter->unit, csv_sep); 1225cb110f47SAndi Kleen 1226cb110f47SAndi Kleen fprintf(stat_config.output, "%*s", 1227cb110f47SAndi Kleen csv_output ? 0 : -25, 1228cb110f47SAndi Kleen perf_evsel__name(counter)); 1229cb110f47SAndi Kleen 1230cb110f47SAndi Kleen if (counter->cgrp) 1231cb110f47SAndi Kleen fprintf(stat_config.output, "%s%s", 1232cb110f47SAndi Kleen csv_sep, counter->cgrp->name); 1233cb110f47SAndi Kleen 123492a61f64SAndi Kleen if (!csv_output) 123592a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 123692a61f64SAndi Kleen print_noise(counter, noise); 1237cb110f47SAndi Kleen print_running(run, ena); 123892a61f64SAndi Kleen if (csv_output) 123992a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 1240cb110f47SAndi Kleen return; 1241cb110f47SAndi Kleen } 1242cb110f47SAndi Kleen 124354b50916SAndi Kleen if (metric_only) 124454b50916SAndi Kleen /* nothing */; 124554b50916SAndi Kleen else if (nsec_counter(counter)) 1246eedfcb4bSAndi Kleen nsec_printout(id, nr, counter, uval); 1247eedfcb4bSAndi Kleen else 1248eedfcb4bSAndi Kleen abs_printout(id, nr, counter, uval); 1249eedfcb4bSAndi Kleen 1250140aeadcSAndi Kleen out.print_metric = pm; 1251140aeadcSAndi Kleen out.new_line = nl; 1252140aeadcSAndi Kleen out.ctx = &os; 125337932c18SAndi Kleen out.force_header = false; 1254140aeadcSAndi Kleen 125554b50916SAndi Kleen if (csv_output && !metric_only) { 125692a61f64SAndi Kleen print_noise(counter, noise); 125792a61f64SAndi Kleen print_running(run, ena); 125892a61f64SAndi Kleen } 125992a61f64SAndi Kleen 1260140aeadcSAndi Kleen perf_stat__print_shadow_stats(counter, uval, 126144d49a60SAndi Kleen first_shadow_cpu(counter, id), 1262e0128b30SJin Yao &out, &metric_events, st); 126354b50916SAndi Kleen if (!csv_output && !metric_only) { 1264cb110f47SAndi Kleen print_noise(counter, noise); 1265cb110f47SAndi Kleen print_running(run, ena); 1266556b1fb7SJiri Olsa } 126792a61f64SAndi Kleen } 1268556b1fb7SJiri Olsa 126944d49a60SAndi Kleen static void aggr_update_shadow(void) 127044d49a60SAndi Kleen { 127144d49a60SAndi Kleen int cpu, s2, id, s; 127244d49a60SAndi Kleen u64 val; 127344d49a60SAndi Kleen struct perf_evsel *counter; 127444d49a60SAndi Kleen 127544d49a60SAndi Kleen for (s = 0; s < aggr_map->nr; s++) { 127644d49a60SAndi Kleen id = aggr_map->map[s]; 1277e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 127844d49a60SAndi Kleen val = 0; 127944d49a60SAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 128044d49a60SAndi Kleen s2 = aggr_get_id(evsel_list->cpus, cpu); 128144d49a60SAndi Kleen if (s2 != id) 128244d49a60SAndi Kleen continue; 128344d49a60SAndi Kleen val += perf_counts(counter->counts, cpu, 0)->val; 128444d49a60SAndi Kleen } 128554830dd0SJiri Olsa perf_stat__update_shadow_stats(counter, val, 12861fcd0394SJin Yao first_shadow_cpu(counter, id), 12871fcd0394SJin Yao &rt_stat); 128844d49a60SAndi Kleen } 128944d49a60SAndi Kleen } 129044d49a60SAndi Kleen } 129144d49a60SAndi Kleen 12928c5421c0SAgustin Vega-Frias static void uniquify_event_name(struct perf_evsel *counter) 12938c5421c0SAgustin Vega-Frias { 12948c5421c0SAgustin Vega-Frias char *new_name; 12958c5421c0SAgustin Vega-Frias char *config; 12968c5421c0SAgustin Vega-Frias 129780ee8c58SKan Liang if (counter->uniquified_name || 129880ee8c58SKan Liang !counter->pmu_name || !strncmp(counter->name, counter->pmu_name, 12998c5421c0SAgustin Vega-Frias strlen(counter->pmu_name))) 13008c5421c0SAgustin Vega-Frias return; 13018c5421c0SAgustin Vega-Frias 13028c5421c0SAgustin Vega-Frias config = strchr(counter->name, '/'); 13038c5421c0SAgustin Vega-Frias if (config) { 13048c5421c0SAgustin Vega-Frias if (asprintf(&new_name, 13058c5421c0SAgustin Vega-Frias "%s%s", counter->pmu_name, config) > 0) { 13068c5421c0SAgustin Vega-Frias free(counter->name); 13078c5421c0SAgustin Vega-Frias counter->name = new_name; 13088c5421c0SAgustin Vega-Frias } 13098c5421c0SAgustin Vega-Frias } else { 13108c5421c0SAgustin Vega-Frias if (asprintf(&new_name, 13118c5421c0SAgustin Vega-Frias "%s [%s]", counter->name, counter->pmu_name) > 0) { 13128c5421c0SAgustin Vega-Frias free(counter->name); 13138c5421c0SAgustin Vega-Frias counter->name = new_name; 13148c5421c0SAgustin Vega-Frias } 13158c5421c0SAgustin Vega-Frias } 131680ee8c58SKan Liang 131780ee8c58SKan Liang counter->uniquified_name = true; 13188c5421c0SAgustin Vega-Frias } 13198c5421c0SAgustin Vega-Frias 1320430daf2dSAndi Kleen static void collect_all_aliases(struct perf_evsel *counter, 1321fbe51fbaSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1322fbe51fbaSAndi Kleen bool first), 1323fbe51fbaSAndi Kleen void *data) 1324fbe51fbaSAndi Kleen { 1325430daf2dSAndi Kleen struct perf_evsel *alias; 1326430daf2dSAndi Kleen 1327430daf2dSAndi Kleen alias = list_prepare_entry(counter, &(evsel_list->entries), node); 1328430daf2dSAndi Kleen list_for_each_entry_continue (alias, &evsel_list->entries, node) { 1329430daf2dSAndi Kleen if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) || 1330430daf2dSAndi Kleen alias->scale != counter->scale || 1331430daf2dSAndi Kleen alias->cgrp != counter->cgrp || 1332430daf2dSAndi Kleen strcmp(alias->unit, counter->unit) || 1333430daf2dSAndi Kleen nsec_counter(alias) != nsec_counter(counter)) 1334430daf2dSAndi Kleen break; 1335430daf2dSAndi Kleen alias->merged_stat = true; 1336430daf2dSAndi Kleen cb(alias, data, false); 1337430daf2dSAndi Kleen } 1338430daf2dSAndi Kleen } 1339430daf2dSAndi Kleen 1340430daf2dSAndi Kleen static bool collect_data(struct perf_evsel *counter, 1341430daf2dSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1342430daf2dSAndi Kleen bool first), 1343430daf2dSAndi Kleen void *data) 1344430daf2dSAndi Kleen { 1345430daf2dSAndi Kleen if (counter->merged_stat) 1346430daf2dSAndi Kleen return false; 1347fbe51fbaSAndi Kleen cb(counter, data, true); 13488c5421c0SAgustin Vega-Frias if (no_merge) 13498c5421c0SAgustin Vega-Frias uniquify_event_name(counter); 13508c5421c0SAgustin Vega-Frias else if (counter->auto_merge_stats) 1351430daf2dSAndi Kleen collect_all_aliases(counter, cb, data); 1352430daf2dSAndi Kleen return true; 1353fbe51fbaSAndi Kleen } 1354fbe51fbaSAndi Kleen 1355fbe51fbaSAndi Kleen struct aggr_data { 1356fbe51fbaSAndi Kleen u64 ena, run, val; 1357fbe51fbaSAndi Kleen int id; 1358fbe51fbaSAndi Kleen int nr; 1359fbe51fbaSAndi Kleen int cpu; 1360fbe51fbaSAndi Kleen }; 1361fbe51fbaSAndi Kleen 1362fbe51fbaSAndi Kleen static void aggr_cb(struct perf_evsel *counter, void *data, bool first) 1363fbe51fbaSAndi Kleen { 1364fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1365fbe51fbaSAndi Kleen int cpu, s2; 1366fbe51fbaSAndi Kleen 1367fbe51fbaSAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1368fbe51fbaSAndi Kleen struct perf_counts_values *counts; 1369fbe51fbaSAndi Kleen 1370fbe51fbaSAndi Kleen s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); 1371fbe51fbaSAndi Kleen if (s2 != ad->id) 1372fbe51fbaSAndi Kleen continue; 1373fbe51fbaSAndi Kleen if (first) 1374fbe51fbaSAndi Kleen ad->nr++; 1375fbe51fbaSAndi Kleen counts = perf_counts(counter->counts, cpu, 0); 1376b4229e9dSAndi Kleen /* 1377b4229e9dSAndi Kleen * When any result is bad, make them all to give 1378b4229e9dSAndi Kleen * consistent output in interval mode. 1379b4229e9dSAndi Kleen */ 1380b4229e9dSAndi Kleen if (counts->ena == 0 || counts->run == 0 || 1381b4229e9dSAndi Kleen counter->counts->scaled == -1) { 1382b4229e9dSAndi Kleen ad->ena = 0; 1383b4229e9dSAndi Kleen ad->run = 0; 1384b4229e9dSAndi Kleen break; 1385b4229e9dSAndi Kleen } 1386fbe51fbaSAndi Kleen ad->val += counts->val; 1387fbe51fbaSAndi Kleen ad->ena += counts->ena; 1388fbe51fbaSAndi Kleen ad->run += counts->run; 1389fbe51fbaSAndi Kleen } 1390fbe51fbaSAndi Kleen } 1391fbe51fbaSAndi Kleen 139286ee6e18SStephane Eranian static void print_aggr(char *prefix) 1393d7e7a451SStephane Eranian { 13945821522eSJiri Olsa FILE *output = stat_config.output; 1395d7e7a451SStephane Eranian struct perf_evsel *counter; 1396fbe51fbaSAndi Kleen int s, id, nr; 1397410136f5SStephane Eranian double uval; 1398d7e7a451SStephane Eranian u64 ena, run, val; 139954b50916SAndi Kleen bool first; 1400d7e7a451SStephane Eranian 140186ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 1402d7e7a451SStephane Eranian return; 1403d7e7a451SStephane Eranian 140444d49a60SAndi Kleen aggr_update_shadow(); 140544d49a60SAndi Kleen 140654b50916SAndi Kleen /* 140754b50916SAndi Kleen * With metric_only everything is on a single line. 140854b50916SAndi Kleen * Without each counter has its own line. 140954b50916SAndi Kleen */ 141086ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 1411fbe51fbaSAndi Kleen struct aggr_data ad; 141254b50916SAndi Kleen if (prefix && metric_only) 141354b50916SAndi Kleen fprintf(output, "%s", prefix); 141454b50916SAndi Kleen 1415fbe51fbaSAndi Kleen ad.id = id = aggr_map->map[s]; 141654b50916SAndi Kleen first = true; 1417e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1418e864c5caSAndi Kleen if (is_duration_time(counter)) 1419e864c5caSAndi Kleen continue; 1420e864c5caSAndi Kleen 1421fbe51fbaSAndi Kleen ad.val = ad.ena = ad.run = 0; 1422fbe51fbaSAndi Kleen ad.nr = 0; 1423430daf2dSAndi Kleen if (!collect_data(counter, aggr_cb, &ad)) 1424430daf2dSAndi Kleen continue; 1425fbe51fbaSAndi Kleen nr = ad.nr; 1426fbe51fbaSAndi Kleen ena = ad.ena; 1427fbe51fbaSAndi Kleen run = ad.run; 1428fbe51fbaSAndi Kleen val = ad.val; 142954b50916SAndi Kleen if (first && metric_only) { 143054b50916SAndi Kleen first = false; 143154b50916SAndi Kleen aggr_printout(counter, id, nr); 143254b50916SAndi Kleen } 143354b50916SAndi Kleen if (prefix && !metric_only) 1434d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 1435d7e7a451SStephane Eranian 1436410136f5SStephane Eranian uval = val * counter->scale; 1437e0128b30SJin Yao printout(id, nr, counter, uval, prefix, run, ena, 1.0, 1438e0128b30SJin Yao &rt_stat); 143954b50916SAndi Kleen if (!metric_only) 1440d7e7a451SStephane Eranian fputc('\n', output); 1441d7e7a451SStephane Eranian } 144254b50916SAndi Kleen if (metric_only) 144354b50916SAndi Kleen fputc('\n', output); 1444d7e7a451SStephane Eranian } 1445d7e7a451SStephane Eranian } 1446d7e7a451SStephane Eranian 144729734550SJin Yao static int cmp_val(const void *a, const void *b) 144832b8af82SJiri Olsa { 144929734550SJin Yao return ((struct perf_aggr_thread_value *)b)->val - 145029734550SJin Yao ((struct perf_aggr_thread_value *)a)->val; 145129734550SJin Yao } 145229734550SJin Yao 145329734550SJin Yao static struct perf_aggr_thread_value *sort_aggr_thread( 145429734550SJin Yao struct perf_evsel *counter, 145529734550SJin Yao int nthreads, int ncpus, 145629734550SJin Yao int *ret) 145729734550SJin Yao { 145829734550SJin Yao int cpu, thread, i = 0; 145932b8af82SJiri Olsa double uval; 146029734550SJin Yao struct perf_aggr_thread_value *buf; 146129734550SJin Yao 146229734550SJin Yao buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value)); 146329734550SJin Yao if (!buf) 146429734550SJin Yao return NULL; 146532b8af82SJiri Olsa 146632b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 146732b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 146832b8af82SJiri Olsa 146932b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 147032b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 147132b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 147232b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 147332b8af82SJiri Olsa } 147432b8af82SJiri Olsa 147529734550SJin Yao uval = val * counter->scale; 147629734550SJin Yao 147729734550SJin Yao /* 147829734550SJin Yao * Skip value 0 when enabling --per-thread globally, 147929734550SJin Yao * otherwise too many 0 output. 148029734550SJin Yao */ 148129734550SJin Yao if (uval == 0.0 && target__has_per_thread(&target)) 148229734550SJin Yao continue; 148329734550SJin Yao 148429734550SJin Yao buf[i].counter = counter; 148529734550SJin Yao buf[i].id = thread; 148629734550SJin Yao buf[i].uval = uval; 148729734550SJin Yao buf[i].val = val; 148829734550SJin Yao buf[i].run = run; 148929734550SJin Yao buf[i].ena = ena; 149029734550SJin Yao i++; 149129734550SJin Yao } 149229734550SJin Yao 149329734550SJin Yao qsort(buf, i, sizeof(struct perf_aggr_thread_value), cmp_val); 149429734550SJin Yao 149529734550SJin Yao if (ret) 149629734550SJin Yao *ret = i; 149729734550SJin Yao 149829734550SJin Yao return buf; 149929734550SJin Yao } 150029734550SJin Yao 150129734550SJin Yao static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 150229734550SJin Yao { 150329734550SJin Yao FILE *output = stat_config.output; 150429734550SJin Yao int nthreads = thread_map__nr(counter->threads); 150529734550SJin Yao int ncpus = cpu_map__nr(counter->cpus); 150629734550SJin Yao int thread, sorted_threads, id; 150729734550SJin Yao struct perf_aggr_thread_value *buf; 150829734550SJin Yao 150929734550SJin Yao buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads); 151029734550SJin Yao if (!buf) { 151129734550SJin Yao perror("cannot sort aggr thread"); 151229734550SJin Yao return; 151329734550SJin Yao } 151429734550SJin Yao 151529734550SJin Yao for (thread = 0; thread < sorted_threads; thread++) { 151632b8af82SJiri Olsa if (prefix) 151732b8af82SJiri Olsa fprintf(output, "%s", prefix); 151832b8af82SJiri Olsa 151929734550SJin Yao id = buf[thread].id; 152014e72a21SJin Yao if (stat_config.stats) 152129734550SJin Yao printout(id, 0, buf[thread].counter, buf[thread].uval, 152229734550SJin Yao prefix, buf[thread].run, buf[thread].ena, 1.0, 152329734550SJin Yao &stat_config.stats[id]); 152414e72a21SJin Yao else 152529734550SJin Yao printout(id, 0, buf[thread].counter, buf[thread].uval, 152629734550SJin Yao prefix, buf[thread].run, buf[thread].ena, 1.0, 152729734550SJin Yao &rt_stat); 152832b8af82SJiri Olsa fputc('\n', output); 152932b8af82SJiri Olsa } 153029734550SJin Yao 153129734550SJin Yao free(buf); 153232b8af82SJiri Olsa } 153332b8af82SJiri Olsa 1534fbe51fbaSAndi Kleen struct caggr_data { 1535fbe51fbaSAndi Kleen double avg, avg_enabled, avg_running; 1536fbe51fbaSAndi Kleen }; 1537fbe51fbaSAndi Kleen 1538fbe51fbaSAndi Kleen static void counter_aggr_cb(struct perf_evsel *counter, void *data, 1539fbe51fbaSAndi Kleen bool first __maybe_unused) 1540fbe51fbaSAndi Kleen { 1541fbe51fbaSAndi Kleen struct caggr_data *cd = data; 1542e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = counter->stats; 1543fbe51fbaSAndi Kleen 1544fbe51fbaSAndi Kleen cd->avg += avg_stats(&ps->res_stats[0]); 1545fbe51fbaSAndi Kleen cd->avg_enabled += avg_stats(&ps->res_stats[1]); 1546fbe51fbaSAndi Kleen cd->avg_running += avg_stats(&ps->res_stats[2]); 1547fbe51fbaSAndi Kleen } 1548fbe51fbaSAndi Kleen 154942202dd5SIngo Molnar /* 155042202dd5SIngo Molnar * Print out the results of a single counter: 1551f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 155242202dd5SIngo Molnar */ 155313370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 155442202dd5SIngo Molnar { 15555821522eSJiri Olsa FILE *output = stat_config.output; 1556410136f5SStephane Eranian double uval; 1557fbe51fbaSAndi Kleen struct caggr_data cd = { .avg = 0.0 }; 1558d73515c0SAndi Kleen 1559430daf2dSAndi Kleen if (!collect_data(counter, counter_aggr_cb, &cd)) 1560430daf2dSAndi Kleen return; 156142202dd5SIngo Molnar 156254b50916SAndi Kleen if (prefix && !metric_only) 156313370a9bSStephane Eranian fprintf(output, "%s", prefix); 156413370a9bSStephane Eranian 1565fbe51fbaSAndi Kleen uval = cd.avg * counter->scale; 1566e0128b30SJin Yao printout(-1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled, 1567e0128b30SJin Yao cd.avg, &rt_stat); 156854b50916SAndi Kleen if (!metric_only) 15694aa9015fSStephane Eranian fprintf(output, "\n"); 157042202dd5SIngo Molnar } 157142202dd5SIngo Molnar 1572fbe51fbaSAndi Kleen static void counter_cb(struct perf_evsel *counter, void *data, 1573fbe51fbaSAndi Kleen bool first __maybe_unused) 1574fbe51fbaSAndi Kleen { 1575fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1576fbe51fbaSAndi Kleen 1577fbe51fbaSAndi Kleen ad->val += perf_counts(counter->counts, ad->cpu, 0)->val; 1578fbe51fbaSAndi Kleen ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena; 1579fbe51fbaSAndi Kleen ad->run += perf_counts(counter->counts, ad->cpu, 0)->run; 1580fbe51fbaSAndi Kleen } 1581fbe51fbaSAndi Kleen 1582f5b4a9c3SStephane Eranian /* 1583f5b4a9c3SStephane Eranian * Print out the results of a single counter: 1584f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 1585f5b4a9c3SStephane Eranian */ 158613370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 1587f5b4a9c3SStephane Eranian { 15885821522eSJiri Olsa FILE *output = stat_config.output; 1589f5b4a9c3SStephane Eranian u64 ena, run, val; 1590410136f5SStephane Eranian double uval; 1591f5b4a9c3SStephane Eranian int cpu; 1592f5b4a9c3SStephane Eranian 15937ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1594fbe51fbaSAndi Kleen struct aggr_data ad = { .cpu = cpu }; 1595fbe51fbaSAndi Kleen 1596430daf2dSAndi Kleen if (!collect_data(counter, counter_cb, &ad)) 1597430daf2dSAndi Kleen return; 1598fbe51fbaSAndi Kleen val = ad.val; 1599fbe51fbaSAndi Kleen ena = ad.ena; 1600fbe51fbaSAndi Kleen run = ad.run; 160113370a9bSStephane Eranian 160213370a9bSStephane Eranian if (prefix) 160313370a9bSStephane Eranian fprintf(output, "%s", prefix); 160413370a9bSStephane Eranian 1605410136f5SStephane Eranian uval = val * counter->scale; 1606e0128b30SJin Yao printout(cpu, 0, counter, uval, prefix, run, ena, 1.0, 1607e0128b30SJin Yao &rt_stat); 1608f5b4a9c3SStephane Eranian 16094aa9015fSStephane Eranian fputc('\n', output); 1610f5b4a9c3SStephane Eranian } 1611f5b4a9c3SStephane Eranian } 1612f5b4a9c3SStephane Eranian 1613206cab65SAndi Kleen static void print_no_aggr_metric(char *prefix) 1614206cab65SAndi Kleen { 1615206cab65SAndi Kleen int cpu; 1616206cab65SAndi Kleen int nrcpus = 0; 1617206cab65SAndi Kleen struct perf_evsel *counter; 1618206cab65SAndi Kleen u64 ena, run, val; 1619206cab65SAndi Kleen double uval; 1620206cab65SAndi Kleen 1621206cab65SAndi Kleen nrcpus = evsel_list->cpus->nr; 1622206cab65SAndi Kleen for (cpu = 0; cpu < nrcpus; cpu++) { 1623206cab65SAndi Kleen bool first = true; 1624206cab65SAndi Kleen 1625206cab65SAndi Kleen if (prefix) 1626206cab65SAndi Kleen fputs(prefix, stat_config.output); 1627e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1628e864c5caSAndi Kleen if (is_duration_time(counter)) 1629e864c5caSAndi Kleen continue; 1630206cab65SAndi Kleen if (first) { 1631206cab65SAndi Kleen aggr_printout(counter, cpu, 0); 1632206cab65SAndi Kleen first = false; 1633206cab65SAndi Kleen } 1634206cab65SAndi Kleen val = perf_counts(counter->counts, cpu, 0)->val; 1635206cab65SAndi Kleen ena = perf_counts(counter->counts, cpu, 0)->ena; 1636206cab65SAndi Kleen run = perf_counts(counter->counts, cpu, 0)->run; 1637206cab65SAndi Kleen 1638206cab65SAndi Kleen uval = val * counter->scale; 1639e0128b30SJin Yao printout(cpu, 0, counter, uval, prefix, run, ena, 1.0, 1640e0128b30SJin Yao &rt_stat); 1641206cab65SAndi Kleen } 1642206cab65SAndi Kleen fputc('\n', stat_config.output); 1643206cab65SAndi Kleen } 1644206cab65SAndi Kleen } 1645206cab65SAndi Kleen 164654b50916SAndi Kleen static int aggr_header_lens[] = { 164754b50916SAndi Kleen [AGGR_CORE] = 18, 164854b50916SAndi Kleen [AGGR_SOCKET] = 12, 1649206cab65SAndi Kleen [AGGR_NONE] = 6, 165054b50916SAndi Kleen [AGGR_THREAD] = 24, 165154b50916SAndi Kleen [AGGR_GLOBAL] = 0, 165254b50916SAndi Kleen }; 165354b50916SAndi Kleen 1654c51fd639SAndi Kleen static const char *aggr_header_csv[] = { 1655c51fd639SAndi Kleen [AGGR_CORE] = "core,cpus,", 1656c51fd639SAndi Kleen [AGGR_SOCKET] = "socket,cpus", 1657c51fd639SAndi Kleen [AGGR_NONE] = "cpu,", 1658c51fd639SAndi Kleen [AGGR_THREAD] = "comm-pid,", 1659c51fd639SAndi Kleen [AGGR_GLOBAL] = "" 1660c51fd639SAndi Kleen }; 1661c51fd639SAndi Kleen 166241c8ca2aSAndi Kleen static void print_metric_headers(const char *prefix, bool no_indent) 166354b50916SAndi Kleen { 166454b50916SAndi Kleen struct perf_stat_output_ctx out; 166554b50916SAndi Kleen struct perf_evsel *counter; 166654b50916SAndi Kleen struct outstate os = { 166754b50916SAndi Kleen .fh = stat_config.output 166854b50916SAndi Kleen }; 166954b50916SAndi Kleen 167054b50916SAndi Kleen if (prefix) 167154b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 167254b50916SAndi Kleen 167341c8ca2aSAndi Kleen if (!csv_output && !no_indent) 167454b50916SAndi Kleen fprintf(stat_config.output, "%*s", 167554b50916SAndi Kleen aggr_header_lens[stat_config.aggr_mode], ""); 1676c51fd639SAndi Kleen if (csv_output) { 1677c51fd639SAndi Kleen if (stat_config.interval) 1678c51fd639SAndi Kleen fputs("time,", stat_config.output); 1679c51fd639SAndi Kleen fputs(aggr_header_csv[stat_config.aggr_mode], 1680c51fd639SAndi Kleen stat_config.output); 1681c51fd639SAndi Kleen } 168254b50916SAndi Kleen 168354b50916SAndi Kleen /* Print metrics headers only */ 1684e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1685e864c5caSAndi Kleen if (is_duration_time(counter)) 1686e864c5caSAndi Kleen continue; 168754b50916SAndi Kleen os.evsel = counter; 168854b50916SAndi Kleen out.ctx = &os; 168954b50916SAndi Kleen out.print_metric = print_metric_header; 169054b50916SAndi Kleen out.new_line = new_line_metric; 169137932c18SAndi Kleen out.force_header = true; 169254b50916SAndi Kleen os.evsel = counter; 169354b50916SAndi Kleen perf_stat__print_shadow_stats(counter, 0, 169454b50916SAndi Kleen 0, 1695b18f3e36SAndi Kleen &out, 1696e0128b30SJin Yao &metric_events, 1697e0128b30SJin Yao &rt_stat); 169854b50916SAndi Kleen } 169954b50916SAndi Kleen fputc('\n', stat_config.output); 170054b50916SAndi Kleen } 170154b50916SAndi Kleen 1702d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 170342202dd5SIngo Molnar { 17045821522eSJiri Olsa FILE *output = stat_config.output; 1705d4f63a47SJiri Olsa static int num_print_interval; 1706d4f63a47SJiri Olsa 1707d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 1708d4f63a47SJiri Olsa 170941c8ca2aSAndi Kleen if (num_print_interval == 0 && !csv_output) { 1710421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1711d4f63a47SJiri Olsa case AGGR_SOCKET: 171241c8ca2aSAndi Kleen fprintf(output, "# time socket cpus"); 171341c8ca2aSAndi Kleen if (!metric_only) 171441c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1715d4f63a47SJiri Olsa break; 1716d4f63a47SJiri Olsa case AGGR_CORE: 171741c8ca2aSAndi Kleen fprintf(output, "# time core cpus"); 171841c8ca2aSAndi Kleen if (!metric_only) 171941c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1720d4f63a47SJiri Olsa break; 1721d4f63a47SJiri Olsa case AGGR_NONE: 172241c8ca2aSAndi Kleen fprintf(output, "# time CPU"); 172341c8ca2aSAndi Kleen if (!metric_only) 172441c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1725d4f63a47SJiri Olsa break; 172632b8af82SJiri Olsa case AGGR_THREAD: 172741c8ca2aSAndi Kleen fprintf(output, "# time comm-pid"); 172841c8ca2aSAndi Kleen if (!metric_only) 172941c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 173032b8af82SJiri Olsa break; 1731d4f63a47SJiri Olsa case AGGR_GLOBAL: 1732d4f63a47SJiri Olsa default: 173341c8ca2aSAndi Kleen fprintf(output, "# time"); 173441c8ca2aSAndi Kleen if (!metric_only) 173541c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1736208df99eSJiri Olsa case AGGR_UNSET: 1737208df99eSJiri Olsa break; 1738d4f63a47SJiri Olsa } 1739d4f63a47SJiri Olsa } 1740d4f63a47SJiri Olsa 174141c8ca2aSAndi Kleen if (num_print_interval == 0 && metric_only) 174241c8ca2aSAndi Kleen print_metric_headers(" ", true); 1743d4f63a47SJiri Olsa if (++num_print_interval == 25) 1744d4f63a47SJiri Olsa num_print_interval = 0; 1745d4f63a47SJiri Olsa } 1746d4f63a47SJiri Olsa 1747d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 1748d4f63a47SJiri Olsa { 17495821522eSJiri Olsa FILE *output = stat_config.output; 175069aad6f1SArnaldo Carvalho de Melo int i; 175142202dd5SIngo Molnar 175286470930SIngo Molnar fflush(stdout); 175386470930SIngo Molnar 1754d7470b6aSStephane Eranian if (!csv_output) { 17554aa9015fSStephane Eranian fprintf(output, "\n"); 17564aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 175762d3b617SDavid Ahern if (target.system_wide) 175862d3b617SDavid Ahern fprintf(output, "\'system wide"); 175962d3b617SDavid Ahern else if (target.cpu_list) 176062d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 1761602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 1762ba6039b6SJiri Olsa fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1763ba6039b6SJiri Olsa for (i = 1; argv && (i < argc); i++) 17644aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 176520f946b4SNamhyung Kim } else if (target.pid) 176620f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 1767d6d901c2SZhang, Yanmin else 176820f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 176986470930SIngo Molnar 17704aa9015fSStephane Eranian fprintf(output, "\'"); 177142202dd5SIngo Molnar if (run_count > 1) 17724aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 17734aa9015fSStephane Eranian fprintf(output, ":\n\n"); 1774d7470b6aSStephane Eranian } 1775f5b4a9c3SStephane Eranian } 177686470930SIngo Molnar 1777bc22de9bSJiri Olsa static int get_precision(double num) 1778bc22de9bSJiri Olsa { 1779bc22de9bSJiri Olsa if (num > 1) 1780bc22de9bSJiri Olsa return 0; 1781bc22de9bSJiri Olsa 1782bc22de9bSJiri Olsa return lround(ceil(-log10(num))); 1783bc22de9bSJiri Olsa } 1784bc22de9bSJiri Olsa 1785e55c14afSJiri Olsa static void print_table(FILE *output, int precision, double avg) 1786e55c14afSJiri Olsa { 1787e55c14afSJiri Olsa char tmp[64]; 1788e55c14afSJiri Olsa int idx, indent = 0; 1789e55c14afSJiri Olsa 1790e55c14afSJiri Olsa scnprintf(tmp, 64, " %17.*f", precision, avg); 1791e55c14afSJiri Olsa while (tmp[indent] == ' ') 1792e55c14afSJiri Olsa indent++; 1793e55c14afSJiri Olsa 1794e55c14afSJiri Olsa fprintf(output, "%*s# Table of individual measurements:\n", indent, ""); 1795e55c14afSJiri Olsa 1796e55c14afSJiri Olsa for (idx = 0; idx < run_count; idx++) { 1797e55c14afSJiri Olsa double run = (double) walltime_run[idx] / NSEC_PER_SEC; 1798abc60badSJiri Olsa int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5); 1799e55c14afSJiri Olsa 1800abc60badSJiri Olsa fprintf(output, " %17.*f (%+.*f) ", 1801e55c14afSJiri Olsa precision, run, precision, run - avg); 1802abc60badSJiri Olsa 1803abc60badSJiri Olsa for (h = 0; h < n; h++) 1804abc60badSJiri Olsa fprintf(output, "#"); 1805abc60badSJiri Olsa 1806abc60badSJiri Olsa fprintf(output, "\n"); 1807e55c14afSJiri Olsa } 1808e55c14afSJiri Olsa 1809e55c14afSJiri Olsa fprintf(output, "\n%*s# Final result:\n", indent, ""); 1810e55c14afSJiri Olsa } 1811e55c14afSJiri Olsa 18120ce2da14SJiri Olsa static double timeval2double(struct timeval *t) 18130ce2da14SJiri Olsa { 18140ce2da14SJiri Olsa return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC; 18150ce2da14SJiri Olsa } 18160ce2da14SJiri Olsa 1817d4f63a47SJiri Olsa static void print_footer(void) 1818d4f63a47SJiri Olsa { 1819bc22de9bSJiri Olsa double avg = avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC; 18205821522eSJiri Olsa FILE *output = stat_config.output; 1821918c7b06SAndi Kleen int n; 18225821522eSJiri Olsa 1823c3305257SIngo Molnar if (!null_run) 18244aa9015fSStephane Eranian fprintf(output, "\n"); 1825bc22de9bSJiri Olsa 1826bc22de9bSJiri Olsa if (run_count == 1) { 1827bc22de9bSJiri Olsa fprintf(output, " %17.9f seconds time elapsed", avg); 18280ce2da14SJiri Olsa 18290ce2da14SJiri Olsa if (ru_display) { 18300ce2da14SJiri Olsa double ru_utime = timeval2double(&ru_data.ru_utime); 18310ce2da14SJiri Olsa double ru_stime = timeval2double(&ru_data.ru_stime); 18320ce2da14SJiri Olsa 18330ce2da14SJiri Olsa fprintf(output, "\n\n"); 18340ce2da14SJiri Olsa fprintf(output, " %17.9f seconds user\n", ru_utime); 18350ce2da14SJiri Olsa fprintf(output, " %17.9f seconds sys\n", ru_stime); 18360ce2da14SJiri Olsa } 1837bc22de9bSJiri Olsa } else { 1838bc22de9bSJiri Olsa double sd = stddev_stats(&walltime_nsecs_stats) / NSEC_PER_SEC; 1839bc22de9bSJiri Olsa /* 1840bc22de9bSJiri Olsa * Display at most 2 more significant 1841bc22de9bSJiri Olsa * digits than the stddev inaccuracy. 1842bc22de9bSJiri Olsa */ 1843bc22de9bSJiri Olsa int precision = get_precision(sd) + 2; 1844bc22de9bSJiri Olsa 1845e55c14afSJiri Olsa if (walltime_run_table) 1846e55c14afSJiri Olsa print_table(output, precision, avg); 1847e55c14afSJiri Olsa 1848bc22de9bSJiri Olsa fprintf(output, " %17.*f +- %.*f seconds time elapsed", 1849bc22de9bSJiri Olsa precision, avg, precision, sd); 1850bc22de9bSJiri Olsa 1851bc22de9bSJiri Olsa print_noise_pct(sd, avg); 1852566747e6SIngo Molnar } 18534aa9015fSStephane Eranian fprintf(output, "\n\n"); 185402d492e5SBorislav Petkov 1855918c7b06SAndi Kleen if (print_free_counters_hint && 1856918c7b06SAndi Kleen sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 && 1857918c7b06SAndi Kleen n > 0) 185802d492e5SBorislav Petkov fprintf(output, 185902d492e5SBorislav Petkov "Some events weren't counted. Try disabling the NMI watchdog:\n" 186002d492e5SBorislav Petkov " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 186102d492e5SBorislav Petkov " perf stat ...\n" 186202d492e5SBorislav Petkov " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 186330060eaeSKan Liang 186430060eaeSKan Liang if (print_mixed_hw_group_error) 186530060eaeSKan Liang fprintf(output, 186630060eaeSKan Liang "The events in group usually have to be from " 186730060eaeSKan Liang "the same PMU. Try reorganizing the group.\n"); 186886470930SIngo Molnar } 1869d4f63a47SJiri Olsa 1870d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1871d4f63a47SJiri Olsa { 1872ec0d3d1fSJiri Olsa int interval = stat_config.interval; 1873d4f63a47SJiri Olsa struct perf_evsel *counter; 1874d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 1875d4f63a47SJiri Olsa 1876664c98d4SJiri Olsa /* Do not print anything if we record to the pipe. */ 18778ceb41d7SJiri Olsa if (STAT_RECORD && perf_stat.data.is_pipe) 1878664c98d4SJiri Olsa return; 1879664c98d4SJiri Olsa 1880d4f63a47SJiri Olsa if (interval) 1881d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 1882d4f63a47SJiri Olsa else 1883d4f63a47SJiri Olsa print_header(argc, argv); 1884d4f63a47SJiri Olsa 188554b50916SAndi Kleen if (metric_only) { 188654b50916SAndi Kleen static int num_print_iv; 188754b50916SAndi Kleen 188841c8ca2aSAndi Kleen if (num_print_iv == 0 && !interval) 188941c8ca2aSAndi Kleen print_metric_headers(prefix, false); 189054b50916SAndi Kleen if (num_print_iv++ == 25) 189154b50916SAndi Kleen num_print_iv = 0; 189254b50916SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) 189354b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 189454b50916SAndi Kleen } 189554b50916SAndi Kleen 1896421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1897d4f63a47SJiri Olsa case AGGR_CORE: 1898d4f63a47SJiri Olsa case AGGR_SOCKET: 1899d4f63a47SJiri Olsa print_aggr(prefix); 1900d4f63a47SJiri Olsa break; 190132b8af82SJiri Olsa case AGGR_THREAD: 1902e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1903e864c5caSAndi Kleen if (is_duration_time(counter)) 1904e864c5caSAndi Kleen continue; 190532b8af82SJiri Olsa print_aggr_thread(counter, prefix); 1906e864c5caSAndi Kleen } 190732b8af82SJiri Olsa break; 1908d4f63a47SJiri Olsa case AGGR_GLOBAL: 1909e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1910e864c5caSAndi Kleen if (is_duration_time(counter)) 1911e864c5caSAndi Kleen continue; 1912d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 1913e864c5caSAndi Kleen } 191454b50916SAndi Kleen if (metric_only) 191554b50916SAndi Kleen fputc('\n', stat_config.output); 1916d4f63a47SJiri Olsa break; 1917d4f63a47SJiri Olsa case AGGR_NONE: 1918206cab65SAndi Kleen if (metric_only) 1919206cab65SAndi Kleen print_no_aggr_metric(prefix); 1920206cab65SAndi Kleen else { 1921e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1922e864c5caSAndi Kleen if (is_duration_time(counter)) 1923e864c5caSAndi Kleen continue; 1924d4f63a47SJiri Olsa print_counter(counter, prefix); 1925206cab65SAndi Kleen } 1926e864c5caSAndi Kleen } 1927d4f63a47SJiri Olsa break; 1928208df99eSJiri Olsa case AGGR_UNSET: 1929d4f63a47SJiri Olsa default: 1930d4f63a47SJiri Olsa break; 1931d4f63a47SJiri Olsa } 1932d4f63a47SJiri Olsa 1933d4f63a47SJiri Olsa if (!interval && !csv_output) 1934d4f63a47SJiri Olsa print_footer(); 1935d4f63a47SJiri Olsa 19365821522eSJiri Olsa fflush(stat_config.output); 1937d7470b6aSStephane Eranian } 193886470930SIngo Molnar 1939f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1940f7b7c26eSPeter Zijlstra 194186470930SIngo Molnar static void skip_signal(int signo) 194286470930SIngo Molnar { 1943ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 194460666c63SLiming Wang done = 1; 194560666c63SLiming Wang 1946f7b7c26eSPeter Zijlstra signr = signo; 1947d07f0b12SStephane Eranian /* 1948d07f0b12SStephane Eranian * render child_pid harmless 1949d07f0b12SStephane Eranian * won't send SIGTERM to a random 1950d07f0b12SStephane Eranian * process in case of race condition 1951d07f0b12SStephane Eranian * and fast PID recycling 1952d07f0b12SStephane Eranian */ 1953d07f0b12SStephane Eranian child_pid = -1; 1954f7b7c26eSPeter Zijlstra } 1955f7b7c26eSPeter Zijlstra 1956f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1957f7b7c26eSPeter Zijlstra { 1958d07f0b12SStephane Eranian sigset_t set, oset; 1959d07f0b12SStephane Eranian 1960d07f0b12SStephane Eranian /* 1961d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1962d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1963d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1964d07f0b12SStephane Eranian * process 1965d07f0b12SStephane Eranian */ 1966d07f0b12SStephane Eranian sigemptyset(&set); 1967d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1968d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1969d07f0b12SStephane Eranian 1970933da83aSChris Wilson if (child_pid != -1) 1971933da83aSChris Wilson kill(child_pid, SIGTERM); 1972933da83aSChris Wilson 1973d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1974d07f0b12SStephane Eranian 1975f7b7c26eSPeter Zijlstra if (signr == -1) 1976f7b7c26eSPeter Zijlstra return; 1977f7b7c26eSPeter Zijlstra 1978f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1979f7b7c26eSPeter Zijlstra kill(getpid(), signr); 198086470930SIngo Molnar } 198186470930SIngo Molnar 19821d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 19831d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1984d7470b6aSStephane Eranian { 1985d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1986d7470b6aSStephane Eranian return 0; 1987d7470b6aSStephane Eranian } 1988d7470b6aSStephane Eranian 198944b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 199044b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 199144b1e60aSAndi Kleen { 199244b1e60aSAndi Kleen force_metric_only = true; 199344b1e60aSAndi Kleen metric_only = !unset; 199444b1e60aSAndi Kleen return 0; 199544b1e60aSAndi Kleen } 199644b1e60aSAndi Kleen 1997b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 1998b18f3e36SAndi Kleen const char *str, 1999b18f3e36SAndi Kleen int unset __maybe_unused) 2000b18f3e36SAndi Kleen { 2001b18f3e36SAndi Kleen return metricgroup__parse_groups(opt, str, &metric_events); 2002b18f3e36SAndi Kleen } 2003b18f3e36SAndi Kleen 2004e0547311SJiri Olsa static const struct option stat_options[] = { 2005e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 2006e0547311SJiri Olsa "hardware transaction statistics"), 2007e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 2008e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 2009e0547311SJiri Olsa parse_events_option), 2010e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 2011e0547311SJiri Olsa "event filter", parse_filter), 2012e0547311SJiri Olsa OPT_BOOLEAN('i', "no-inherit", &no_inherit, 2013e0547311SJiri Olsa "child tasks do not inherit counters"), 2014e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 2015e0547311SJiri Olsa "stat events on existing process id"), 2016e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 2017e0547311SJiri Olsa "stat events on existing thread id"), 2018e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 2019e0547311SJiri Olsa "system-wide collection from all CPUs"), 2020e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 2021e0547311SJiri Olsa "put the counters into a counter group"), 2022e0547311SJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 2023e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 2024e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 2025e0547311SJiri Olsa OPT_INTEGER('r', "repeat", &run_count, 2026e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 2027e55c14afSJiri Olsa OPT_BOOLEAN(0, "table", &walltime_run_table, 2028e55c14afSJiri Olsa "display details about each run (only with -r option)"), 2029e0547311SJiri Olsa OPT_BOOLEAN('n', "null", &null_run, 2030e0547311SJiri Olsa "null run - dont start any counters"), 2031e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 2032e0547311SJiri Olsa "detailed run - start a lot of events"), 2033e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 2034e0547311SJiri Olsa "call sync() before starting a run"), 2035e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 2036e0547311SJiri Olsa "print large numbers with thousands\' separators", 2037e0547311SJiri Olsa stat__set_big_num), 2038e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 2039e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 2040e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 2041e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2042430daf2dSAndi Kleen OPT_BOOLEAN(0, "no-merge", &no_merge, "Do not merge identical named events"), 2043e0547311SJiri Olsa OPT_STRING('x', "field-separator", &csv_sep, "separator", 2044e0547311SJiri Olsa "print counts with custom separator"), 2045e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 2046e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 2047e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 2048e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 2049e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 2050e0547311SJiri Olsa "log output to fd, instead of stderr"), 2051e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 2052e0547311SJiri Olsa "command to run prior to the measured command"), 2053e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 2054e0547311SJiri Olsa "command to run after to the measured command"), 2055e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 20569dc9a95fSAlexey Budankov "print counts at regular interval in ms " 20579dc9a95fSAlexey Budankov "(overhead is possible for values <= 100ms)"), 2058db06a269Syuzhoujian OPT_INTEGER(0, "interval-count", &stat_config.times, 2059db06a269Syuzhoujian "print counts for fixed number of times"), 2060f1f8ad52Syuzhoujian OPT_UINTEGER(0, "timeout", &stat_config.timeout, 2061f1f8ad52Syuzhoujian "stop workload and print counts after a timeout period in ms (>= 10ms)"), 2062e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 2063e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 2064e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 2065e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 2066e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 2067e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 2068e0547311SJiri Olsa OPT_UINTEGER('D', "delay", &initial_delay, 2069e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 207044b1e60aSAndi Kleen OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL, 207144b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 207244b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 207344b1e60aSAndi Kleen "measure topdown level 1 statistics"), 2074daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 2075daefd0bcSKan Liang "measure SMI cost"), 2076b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 2077b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 2078b18f3e36SAndi Kleen parse_metric_groups), 2079e0547311SJiri Olsa OPT_END() 2080e0547311SJiri Olsa }; 2081e0547311SJiri Olsa 20821fe7a300SJiri Olsa static int perf_stat__get_socket(struct cpu_map *map, int cpu) 20831fe7a300SJiri Olsa { 20841fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 20851fe7a300SJiri Olsa } 20861fe7a300SJiri Olsa 20871fe7a300SJiri Olsa static int perf_stat__get_core(struct cpu_map *map, int cpu) 20881fe7a300SJiri Olsa { 20891fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 20901fe7a300SJiri Olsa } 20911fe7a300SJiri Olsa 20921e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 20931e5a2931SJiri Olsa { 20941e5a2931SJiri Olsa int i, max = -1; 20951e5a2931SJiri Olsa 20961e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 20971e5a2931SJiri Olsa if (map->map[i] > max) 20981e5a2931SJiri Olsa max = map->map[i]; 20991e5a2931SJiri Olsa } 21001e5a2931SJiri Olsa 21011e5a2931SJiri Olsa return max; 21021e5a2931SJiri Olsa } 21031e5a2931SJiri Olsa 21041e5a2931SJiri Olsa static struct cpu_map *cpus_aggr_map; 21051e5a2931SJiri Olsa 21061e5a2931SJiri Olsa static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) 21071e5a2931SJiri Olsa { 21081e5a2931SJiri Olsa int cpu; 21091e5a2931SJiri Olsa 21101e5a2931SJiri Olsa if (idx >= map->nr) 21111e5a2931SJiri Olsa return -1; 21121e5a2931SJiri Olsa 21131e5a2931SJiri Olsa cpu = map->map[idx]; 21141e5a2931SJiri Olsa 21151e5a2931SJiri Olsa if (cpus_aggr_map->map[cpu] == -1) 21161e5a2931SJiri Olsa cpus_aggr_map->map[cpu] = get_id(map, idx); 21171e5a2931SJiri Olsa 21181e5a2931SJiri Olsa return cpus_aggr_map->map[cpu]; 21191e5a2931SJiri Olsa } 21201e5a2931SJiri Olsa 21211e5a2931SJiri Olsa static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) 21221e5a2931SJiri Olsa { 21231e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_socket, map, idx); 21241e5a2931SJiri Olsa } 21251e5a2931SJiri Olsa 21261e5a2931SJiri Olsa static int perf_stat__get_core_cached(struct cpu_map *map, int idx) 21271e5a2931SJiri Olsa { 21281e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_core, map, idx); 21291e5a2931SJiri Olsa } 21301e5a2931SJiri Olsa 213186ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 213286ee6e18SStephane Eranian { 21331e5a2931SJiri Olsa int nr; 21341e5a2931SJiri Olsa 2135421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 213686ee6e18SStephane Eranian case AGGR_SOCKET: 213786ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 213886ee6e18SStephane Eranian perror("cannot build socket map"); 213986ee6e18SStephane Eranian return -1; 214086ee6e18SStephane Eranian } 21411e5a2931SJiri Olsa aggr_get_id = perf_stat__get_socket_cached; 214286ee6e18SStephane Eranian break; 214312c08a9fSStephane Eranian case AGGR_CORE: 214412c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 214512c08a9fSStephane Eranian perror("cannot build core map"); 214612c08a9fSStephane Eranian return -1; 214712c08a9fSStephane Eranian } 21481e5a2931SJiri Olsa aggr_get_id = perf_stat__get_core_cached; 214912c08a9fSStephane Eranian break; 215086ee6e18SStephane Eranian case AGGR_NONE: 215186ee6e18SStephane Eranian case AGGR_GLOBAL: 215232b8af82SJiri Olsa case AGGR_THREAD: 2153208df99eSJiri Olsa case AGGR_UNSET: 215486ee6e18SStephane Eranian default: 215586ee6e18SStephane Eranian break; 215686ee6e18SStephane Eranian } 21571e5a2931SJiri Olsa 21581e5a2931SJiri Olsa /* 21591e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 21601e5a2931SJiri Olsa * taking the highest cpu number to be the size of 21611e5a2931SJiri Olsa * the aggregation translate cpumap. 21621e5a2931SJiri Olsa */ 21631e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 21641e5a2931SJiri Olsa cpus_aggr_map = cpu_map__empty_new(nr + 1); 21651e5a2931SJiri Olsa return cpus_aggr_map ? 0 : -ENOMEM; 216686ee6e18SStephane Eranian } 216786ee6e18SStephane Eranian 2168544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 2169544c2ae7SMasami Hiramatsu { 2170544c2ae7SMasami Hiramatsu cpu_map__put(aggr_map); 2171544c2ae7SMasami Hiramatsu cpu_map__put(cpus_aggr_map); 2172544c2ae7SMasami Hiramatsu aggr_map = NULL; 2173544c2ae7SMasami Hiramatsu cpus_aggr_map = NULL; 2174544c2ae7SMasami Hiramatsu } 2175544c2ae7SMasami Hiramatsu 217668d702f7SJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) 217768d702f7SJiri Olsa { 217868d702f7SJiri Olsa int cpu; 217968d702f7SJiri Olsa 218068d702f7SJiri Olsa if (idx > map->nr) 218168d702f7SJiri Olsa return -1; 218268d702f7SJiri Olsa 218368d702f7SJiri Olsa cpu = map->map[idx]; 218468d702f7SJiri Olsa 2185da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 218668d702f7SJiri Olsa return -1; 218768d702f7SJiri Olsa 218868d702f7SJiri Olsa return cpu; 218968d702f7SJiri Olsa } 219068d702f7SJiri Olsa 219168d702f7SJiri Olsa static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) 219268d702f7SJiri Olsa { 219368d702f7SJiri Olsa struct perf_env *env = data; 219468d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 219568d702f7SJiri Olsa 219668d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 219768d702f7SJiri Olsa } 219868d702f7SJiri Olsa 219968d702f7SJiri Olsa static int perf_env__get_core(struct cpu_map *map, int idx, void *data) 220068d702f7SJiri Olsa { 220168d702f7SJiri Olsa struct perf_env *env = data; 220268d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 220368d702f7SJiri Olsa 220468d702f7SJiri Olsa if (cpu != -1) { 220568d702f7SJiri Olsa int socket_id = env->cpu[cpu].socket_id; 220668d702f7SJiri Olsa 220768d702f7SJiri Olsa /* 220868d702f7SJiri Olsa * Encode socket in upper 16 bits 220968d702f7SJiri Olsa * core_id is relative to socket, and 221068d702f7SJiri Olsa * we need a global id. So we combine 221168d702f7SJiri Olsa * socket + core id. 221268d702f7SJiri Olsa */ 221368d702f7SJiri Olsa core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); 221468d702f7SJiri Olsa } 221568d702f7SJiri Olsa 221668d702f7SJiri Olsa return core; 221768d702f7SJiri Olsa } 221868d702f7SJiri Olsa 221968d702f7SJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, 222068d702f7SJiri Olsa struct cpu_map **sockp) 222168d702f7SJiri Olsa { 222268d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 222368d702f7SJiri Olsa } 222468d702f7SJiri Olsa 222568d702f7SJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, 222668d702f7SJiri Olsa struct cpu_map **corep) 222768d702f7SJiri Olsa { 222868d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 222968d702f7SJiri Olsa } 223068d702f7SJiri Olsa 223168d702f7SJiri Olsa static int perf_stat__get_socket_file(struct cpu_map *map, int idx) 223268d702f7SJiri Olsa { 223368d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 223468d702f7SJiri Olsa } 223568d702f7SJiri Olsa 223668d702f7SJiri Olsa static int perf_stat__get_core_file(struct cpu_map *map, int idx) 223768d702f7SJiri Olsa { 223868d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 223968d702f7SJiri Olsa } 224068d702f7SJiri Olsa 224168d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 224268d702f7SJiri Olsa { 224368d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 224468d702f7SJiri Olsa 224568d702f7SJiri Olsa switch (stat_config.aggr_mode) { 224668d702f7SJiri Olsa case AGGR_SOCKET: 224768d702f7SJiri Olsa if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { 224868d702f7SJiri Olsa perror("cannot build socket map"); 224968d702f7SJiri Olsa return -1; 225068d702f7SJiri Olsa } 225168d702f7SJiri Olsa aggr_get_id = perf_stat__get_socket_file; 225268d702f7SJiri Olsa break; 225368d702f7SJiri Olsa case AGGR_CORE: 225468d702f7SJiri Olsa if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { 225568d702f7SJiri Olsa perror("cannot build core map"); 225668d702f7SJiri Olsa return -1; 225768d702f7SJiri Olsa } 225868d702f7SJiri Olsa aggr_get_id = perf_stat__get_core_file; 225968d702f7SJiri Olsa break; 226068d702f7SJiri Olsa case AGGR_NONE: 226168d702f7SJiri Olsa case AGGR_GLOBAL: 226268d702f7SJiri Olsa case AGGR_THREAD: 226368d702f7SJiri Olsa case AGGR_UNSET: 226468d702f7SJiri Olsa default: 226568d702f7SJiri Olsa break; 226668d702f7SJiri Olsa } 226768d702f7SJiri Olsa 226868d702f7SJiri Olsa return 0; 226968d702f7SJiri Olsa } 227068d702f7SJiri Olsa 227144b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 227244b1e60aSAndi Kleen { 227344b1e60aSAndi Kleen int off = 0; 227444b1e60aSAndi Kleen int i; 227544b1e60aSAndi Kleen int len = 0; 227644b1e60aSAndi Kleen char *s; 227744b1e60aSAndi Kleen 227844b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 227944b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 228044b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 228144b1e60aSAndi Kleen attr[i - off] = attr[i]; 228244b1e60aSAndi Kleen } else 228344b1e60aSAndi Kleen off++; 228444b1e60aSAndi Kleen } 228544b1e60aSAndi Kleen attr[i - off] = NULL; 228644b1e60aSAndi Kleen 228744b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 228844b1e60aSAndi Kleen if (!*str) 228944b1e60aSAndi Kleen return -1; 229044b1e60aSAndi Kleen s = *str; 229144b1e60aSAndi Kleen if (i - off == 0) { 229244b1e60aSAndi Kleen *s = 0; 229344b1e60aSAndi Kleen return 0; 229444b1e60aSAndi Kleen } 229544b1e60aSAndi Kleen if (use_group) 229644b1e60aSAndi Kleen *s++ = '{'; 229744b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 229844b1e60aSAndi Kleen strcpy(s, attr[i]); 229944b1e60aSAndi Kleen s += strlen(s); 230044b1e60aSAndi Kleen *s++ = ','; 230144b1e60aSAndi Kleen } 230244b1e60aSAndi Kleen if (use_group) { 230344b1e60aSAndi Kleen s[-1] = '}'; 230444b1e60aSAndi Kleen *s = 0; 230544b1e60aSAndi Kleen } else 230644b1e60aSAndi Kleen s[-1] = 0; 230744b1e60aSAndi Kleen return 0; 230844b1e60aSAndi Kleen } 230944b1e60aSAndi Kleen 231044b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 231144b1e60aSAndi Kleen { 231244b1e60aSAndi Kleen *warn = false; 231344b1e60aSAndi Kleen return false; 231444b1e60aSAndi Kleen } 231544b1e60aSAndi Kleen 231644b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 231744b1e60aSAndi Kleen { 231844b1e60aSAndi Kleen } 231944b1e60aSAndi Kleen 23202cba3ffbSIngo Molnar /* 23212cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 23222cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 23232cba3ffbSIngo Molnar */ 23242cba3ffbSIngo Molnar static int add_default_attributes(void) 23252cba3ffbSIngo Molnar { 232644b1e60aSAndi Kleen int err; 23279dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 2328b070a547SArnaldo Carvalho de Melo 2329b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 2330b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 2331b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 2332b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 2333b070a547SArnaldo Carvalho de Melo 2334b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 23359dec4473SAndi Kleen }; 23369dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 2337b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 23389dec4473SAndi Kleen }; 23399dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 2340b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 23419dec4473SAndi Kleen }; 23429dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 2343b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 2344b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 2345b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 2346b070a547SArnaldo Carvalho de Melo 2347b070a547SArnaldo Carvalho de Melo }; 2348b070a547SArnaldo Carvalho de Melo 2349b070a547SArnaldo Carvalho de Melo /* 2350b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 2351b070a547SArnaldo Carvalho de Melo */ 2352b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 2353b070a547SArnaldo Carvalho de Melo 2354b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2355b070a547SArnaldo Carvalho de Melo .config = 2356b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2357b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2358b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2359b070a547SArnaldo Carvalho de Melo 2360b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2361b070a547SArnaldo Carvalho de Melo .config = 2362b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2363b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2364b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2365b070a547SArnaldo Carvalho de Melo 2366b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2367b070a547SArnaldo Carvalho de Melo .config = 2368b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2369b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2370b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2371b070a547SArnaldo Carvalho de Melo 2372b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2373b070a547SArnaldo Carvalho de Melo .config = 2374b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2375b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2376b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2377b070a547SArnaldo Carvalho de Melo }; 2378b070a547SArnaldo Carvalho de Melo 2379b070a547SArnaldo Carvalho de Melo /* 2380b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 2381b070a547SArnaldo Carvalho de Melo */ 2382b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 2383b070a547SArnaldo Carvalho de Melo 2384b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2385b070a547SArnaldo Carvalho de Melo .config = 2386b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2387b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2388b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2389b070a547SArnaldo Carvalho de Melo 2390b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2391b070a547SArnaldo Carvalho de Melo .config = 2392b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2393b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2394b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2395b070a547SArnaldo Carvalho de Melo 2396b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2397b070a547SArnaldo Carvalho de Melo .config = 2398b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2399b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2400b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2401b070a547SArnaldo Carvalho de Melo 2402b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2403b070a547SArnaldo Carvalho de Melo .config = 2404b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2405b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2406b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2407b070a547SArnaldo Carvalho de Melo 2408b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2409b070a547SArnaldo Carvalho de Melo .config = 2410b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2411b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2412b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2413b070a547SArnaldo Carvalho de Melo 2414b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2415b070a547SArnaldo Carvalho de Melo .config = 2416b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2417b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2418b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2419b070a547SArnaldo Carvalho de Melo 2420b070a547SArnaldo Carvalho de Melo }; 2421b070a547SArnaldo Carvalho de Melo 2422b070a547SArnaldo Carvalho de Melo /* 2423b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 2424b070a547SArnaldo Carvalho de Melo */ 2425b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 2426b070a547SArnaldo Carvalho de Melo 2427b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2428b070a547SArnaldo Carvalho de Melo .config = 2429b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2430b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2431b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2432b070a547SArnaldo Carvalho de Melo 2433b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2434b070a547SArnaldo Carvalho de Melo .config = 2435b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2436b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2437b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2438b070a547SArnaldo Carvalho de Melo }; 2439b070a547SArnaldo Carvalho de Melo 24402cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 24412cba3ffbSIngo Molnar if (null_run) 24422cba3ffbSIngo Molnar return 0; 24432cba3ffbSIngo Molnar 24444cabc3d1SAndi Kleen if (transaction_run) { 2445fca32340SThomas Richter struct parse_events_error errinfo; 2446fca32340SThomas Richter 24474cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 24484cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 2449fca32340SThomas Richter err = parse_events(evsel_list, transaction_attrs, 2450fca32340SThomas Richter &errinfo); 24514cabc3d1SAndi Kleen else 2452fca32340SThomas Richter err = parse_events(evsel_list, 2453fca32340SThomas Richter transaction_limited_attrs, 2454fca32340SThomas Richter &errinfo); 2455a454742cSJiri Olsa if (err) { 24564cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 24574cabc3d1SAndi Kleen return -1; 24584cabc3d1SAndi Kleen } 24594cabc3d1SAndi Kleen return 0; 24604cabc3d1SAndi Kleen } 24614cabc3d1SAndi Kleen 2462daefd0bcSKan Liang if (smi_cost) { 2463daefd0bcSKan Liang int smi; 2464daefd0bcSKan Liang 2465daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 2466daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 2467daefd0bcSKan Liang return -1; 2468daefd0bcSKan Liang } 2469daefd0bcSKan Liang 2470daefd0bcSKan Liang if (!smi) { 2471daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 2472daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 2473daefd0bcSKan Liang return -1; 2474daefd0bcSKan Liang } 2475daefd0bcSKan Liang smi_reset = true; 2476daefd0bcSKan Liang } 2477daefd0bcSKan Liang 2478daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 2479daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 2480daefd0bcSKan Liang if (!force_metric_only) 2481daefd0bcSKan Liang metric_only = true; 2482daefd0bcSKan Liang err = parse_events(evsel_list, smi_cost_attrs, NULL); 2483daefd0bcSKan Liang } else { 2484daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 2485daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 2486daefd0bcSKan Liang return -1; 2487daefd0bcSKan Liang } 2488daefd0bcSKan Liang if (err) { 2489daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 2490daefd0bcSKan Liang return -1; 2491daefd0bcSKan Liang } 2492daefd0bcSKan Liang return 0; 2493daefd0bcSKan Liang } 2494daefd0bcSKan Liang 249544b1e60aSAndi Kleen if (topdown_run) { 249644b1e60aSAndi Kleen char *str = NULL; 249744b1e60aSAndi Kleen bool warn = false; 249844b1e60aSAndi Kleen 249944b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 250044b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 250144b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 250244b1e60aSAndi Kleen return -1; 250344b1e60aSAndi Kleen } 250444b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 250544b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 250644b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 250744b1e60aSAndi Kleen return -1; 250844b1e60aSAndi Kleen } 250944b1e60aSAndi Kleen 251044b1e60aSAndi Kleen if (!force_metric_only) 251144b1e60aSAndi Kleen metric_only = true; 251244b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 251344b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 251444b1e60aSAndi Kleen pr_err("Out of memory\n"); 251544b1e60aSAndi Kleen return -1; 251644b1e60aSAndi Kleen } 251744b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 251844b1e60aSAndi Kleen if (warn) 251944b1e60aSAndi Kleen arch_topdown_group_warn(); 252044b1e60aSAndi Kleen err = parse_events(evsel_list, str, NULL); 252144b1e60aSAndi Kleen if (err) { 252244b1e60aSAndi Kleen fprintf(stderr, 252344b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 252444b1e60aSAndi Kleen str, err); 252544b1e60aSAndi Kleen free(str); 252644b1e60aSAndi Kleen return -1; 252744b1e60aSAndi Kleen } 252844b1e60aSAndi Kleen } else { 252944b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 253044b1e60aSAndi Kleen return -1; 253144b1e60aSAndi Kleen } 253244b1e60aSAndi Kleen free(str); 253344b1e60aSAndi Kleen } 253444b1e60aSAndi Kleen 25352cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 2536a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 2537a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 2538a1f3d567SNamhyung Kim 25399dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 25409dec4473SAndi Kleen return -1; 25419dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 25429dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 25439dec4473SAndi Kleen frontend_attrs) < 0) 25449dec4473SAndi Kleen return -1; 25459dec4473SAndi Kleen } 25469dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 25479dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 25489dec4473SAndi Kleen backend_attrs) < 0) 25499dec4473SAndi Kleen return -1; 25509dec4473SAndi Kleen } 25519dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 25522cba3ffbSIngo Molnar return -1; 25532cba3ffbSIngo Molnar } 25542cba3ffbSIngo Molnar 25552cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 25562cba3ffbSIngo Molnar 25572cba3ffbSIngo Molnar if (detailed_run < 1) 25582cba3ffbSIngo Molnar return 0; 25592cba3ffbSIngo Molnar 25602cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 256179695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 25622cba3ffbSIngo Molnar return -1; 25632cba3ffbSIngo Molnar 25642cba3ffbSIngo Molnar if (detailed_run < 2) 25652cba3ffbSIngo Molnar return 0; 25662cba3ffbSIngo Molnar 25672cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 256879695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 25692cba3ffbSIngo Molnar return -1; 25702cba3ffbSIngo Molnar 25712cba3ffbSIngo Molnar if (detailed_run < 3) 25722cba3ffbSIngo Molnar return 0; 25732cba3ffbSIngo Molnar 25742cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 257579695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 25762cba3ffbSIngo Molnar } 25772cba3ffbSIngo Molnar 25788a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 25794979d0c7SJiri Olsa "perf stat record [<options>]", 25804979d0c7SJiri Olsa NULL, 25814979d0c7SJiri Olsa }; 25824979d0c7SJiri Olsa 25833ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 25843ba78bd0SJiri Olsa { 25853ba78bd0SJiri Olsa int feat; 25863ba78bd0SJiri Olsa 25873ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 25883ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 25893ba78bd0SJiri Olsa 25903ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 25913ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 25923ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 25933ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 25943ba78bd0SJiri Olsa } 25953ba78bd0SJiri Olsa 25964979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 25974979d0c7SJiri Olsa { 25984979d0c7SJiri Olsa struct perf_session *session; 25998ceb41d7SJiri Olsa struct perf_data *data = &perf_stat.data; 26004979d0c7SJiri Olsa 26018a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 26024979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 26034979d0c7SJiri Olsa 26044979d0c7SJiri Olsa if (output_name) 2605eae8ad80SJiri Olsa data->file.path = output_name; 26064979d0c7SJiri Olsa 2607e9d6db8eSJiri Olsa if (run_count != 1 || forever) { 2608e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 2609e9d6db8eSJiri Olsa return -1; 2610e9d6db8eSJiri Olsa } 2611e9d6db8eSJiri Olsa 26128ceb41d7SJiri Olsa session = perf_session__new(data, false, NULL); 26134979d0c7SJiri Olsa if (session == NULL) { 26144979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 26154979d0c7SJiri Olsa return -1; 26164979d0c7SJiri Olsa } 26174979d0c7SJiri Olsa 26183ba78bd0SJiri Olsa init_features(session); 26193ba78bd0SJiri Olsa 26204979d0c7SJiri Olsa session->evlist = evsel_list; 26214979d0c7SJiri Olsa perf_stat.session = session; 26224979d0c7SJiri Olsa perf_stat.record = true; 26234979d0c7SJiri Olsa return argc; 26244979d0c7SJiri Olsa } 26254979d0c7SJiri Olsa 2626a56f9390SJiri Olsa static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2627a56f9390SJiri Olsa union perf_event *event, 2628a56f9390SJiri Olsa struct perf_session *session) 2629a56f9390SJiri Olsa { 2630e3b03b6cSAndi Kleen struct stat_round_event *stat_round = &event->stat_round; 2631a56f9390SJiri Olsa struct perf_evsel *counter; 2632a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 2633a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 2634a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 2635a56f9390SJiri Olsa 2636e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 2637a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 2638a56f9390SJiri Olsa 2639e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 2640e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 2641a56f9390SJiri Olsa 2642e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 2643bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 2644bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 2645a56f9390SJiri Olsa ts = &tsh; 2646a56f9390SJiri Olsa } 2647a56f9390SJiri Olsa 2648a56f9390SJiri Olsa print_counters(ts, argc, argv); 2649a56f9390SJiri Olsa return 0; 2650a56f9390SJiri Olsa } 2651a56f9390SJiri Olsa 265262ba18baSJiri Olsa static 26537e6a7998SArnaldo Carvalho de Melo int process_stat_config_event(struct perf_tool *tool, 265462ba18baSJiri Olsa union perf_event *event, 265562ba18baSJiri Olsa struct perf_session *session __maybe_unused) 265662ba18baSJiri Olsa { 265768d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 265868d702f7SJiri Olsa 265962ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 266068d702f7SJiri Olsa 266189af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 266289af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 266389af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 266489af4e05SJiri Olsa return 0; 266589af4e05SJiri Olsa } 266689af4e05SJiri Olsa 266789af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 266889af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 266989af4e05SJiri Olsa 26708ceb41d7SJiri Olsa if (perf_stat.data.is_pipe) 267168d702f7SJiri Olsa perf_stat_init_aggr_mode(); 267268d702f7SJiri Olsa else 267368d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 267468d702f7SJiri Olsa 267562ba18baSJiri Olsa return 0; 267662ba18baSJiri Olsa } 267762ba18baSJiri Olsa 26781975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 26791975d36eSJiri Olsa { 26801975d36eSJiri Olsa if (!st->cpus || !st->threads) 26811975d36eSJiri Olsa return 0; 26821975d36eSJiri Olsa 26831975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 26841975d36eSJiri Olsa return -EINVAL; 26851975d36eSJiri Olsa 26861975d36eSJiri Olsa perf_evlist__set_maps(evsel_list, st->cpus, st->threads); 26871975d36eSJiri Olsa 26881975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 26891975d36eSJiri Olsa return -ENOMEM; 26901975d36eSJiri Olsa 26911975d36eSJiri Olsa st->maps_allocated = true; 26921975d36eSJiri Olsa return 0; 26931975d36eSJiri Olsa } 26941975d36eSJiri Olsa 26951975d36eSJiri Olsa static 26967e6a7998SArnaldo Carvalho de Melo int process_thread_map_event(struct perf_tool *tool, 26971975d36eSJiri Olsa union perf_event *event, 26981975d36eSJiri Olsa struct perf_session *session __maybe_unused) 26991975d36eSJiri Olsa { 27001975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 27011975d36eSJiri Olsa 27021975d36eSJiri Olsa if (st->threads) { 27031975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 27041975d36eSJiri Olsa return 0; 27051975d36eSJiri Olsa } 27061975d36eSJiri Olsa 27071975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 27081975d36eSJiri Olsa if (!st->threads) 27091975d36eSJiri Olsa return -ENOMEM; 27101975d36eSJiri Olsa 27111975d36eSJiri Olsa return set_maps(st); 27121975d36eSJiri Olsa } 27131975d36eSJiri Olsa 27141975d36eSJiri Olsa static 27157e6a7998SArnaldo Carvalho de Melo int process_cpu_map_event(struct perf_tool *tool, 27161975d36eSJiri Olsa union perf_event *event, 27171975d36eSJiri Olsa struct perf_session *session __maybe_unused) 27181975d36eSJiri Olsa { 27191975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 27201975d36eSJiri Olsa struct cpu_map *cpus; 27211975d36eSJiri Olsa 27221975d36eSJiri Olsa if (st->cpus) { 27231975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 27241975d36eSJiri Olsa return 0; 27251975d36eSJiri Olsa } 27261975d36eSJiri Olsa 27271975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 27281975d36eSJiri Olsa if (!cpus) 27291975d36eSJiri Olsa return -ENOMEM; 27301975d36eSJiri Olsa 27311975d36eSJiri Olsa st->cpus = cpus; 27321975d36eSJiri Olsa return set_maps(st); 27331975d36eSJiri Olsa } 27341975d36eSJiri Olsa 273556739444SJin Yao static int runtime_stat_new(struct perf_stat_config *config, int nthreads) 273656739444SJin Yao { 273756739444SJin Yao int i; 273856739444SJin Yao 273956739444SJin Yao config->stats = calloc(nthreads, sizeof(struct runtime_stat)); 274056739444SJin Yao if (!config->stats) 274156739444SJin Yao return -1; 274256739444SJin Yao 274356739444SJin Yao config->stats_num = nthreads; 274456739444SJin Yao 274556739444SJin Yao for (i = 0; i < nthreads; i++) 274656739444SJin Yao runtime_stat__init(&config->stats[i]); 274756739444SJin Yao 274856739444SJin Yao return 0; 274956739444SJin Yao } 275056739444SJin Yao 275156739444SJin Yao static void runtime_stat_delete(struct perf_stat_config *config) 275256739444SJin Yao { 275356739444SJin Yao int i; 275456739444SJin Yao 275556739444SJin Yao if (!config->stats) 275656739444SJin Yao return; 275756739444SJin Yao 275856739444SJin Yao for (i = 0; i < config->stats_num; i++) 275956739444SJin Yao runtime_stat__exit(&config->stats[i]); 276056739444SJin Yao 276156739444SJin Yao free(config->stats); 276256739444SJin Yao } 276356739444SJin Yao 27648a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 2765ba6039b6SJiri Olsa "perf stat report [<options>]", 2766ba6039b6SJiri Olsa NULL, 2767ba6039b6SJiri Olsa }; 2768ba6039b6SJiri Olsa 2769ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 2770ba6039b6SJiri Olsa .tool = { 2771ba6039b6SJiri Olsa .attr = perf_event__process_attr, 2772fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 27731975d36eSJiri Olsa .thread_map = process_thread_map_event, 27741975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 277562ba18baSJiri Olsa .stat_config = process_stat_config_event, 2776a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 2777a56f9390SJiri Olsa .stat_round = process_stat_round_event, 2778ba6039b6SJiri Olsa }, 277989af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 2780ba6039b6SJiri Olsa }; 2781ba6039b6SJiri Olsa 2782ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 2783ba6039b6SJiri Olsa { 2784ba6039b6SJiri Olsa struct perf_session *session; 2785ba6039b6SJiri Olsa const struct option options[] = { 2786ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 278789af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 278889af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 278989af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 279089af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 279189af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 279289af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2793ba6039b6SJiri Olsa OPT_END() 2794ba6039b6SJiri Olsa }; 2795ba6039b6SJiri Olsa struct stat st; 2796ba6039b6SJiri Olsa int ret; 2797ba6039b6SJiri Olsa 27988a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 2799ba6039b6SJiri Olsa 2800ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 2801ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 2802ba6039b6SJiri Olsa input_name = "-"; 2803ba6039b6SJiri Olsa else 2804ba6039b6SJiri Olsa input_name = "perf.data"; 2805ba6039b6SJiri Olsa } 2806ba6039b6SJiri Olsa 2807eae8ad80SJiri Olsa perf_stat.data.file.path = input_name; 28088ceb41d7SJiri Olsa perf_stat.data.mode = PERF_DATA_MODE_READ; 2809ba6039b6SJiri Olsa 28108ceb41d7SJiri Olsa session = perf_session__new(&perf_stat.data, false, &perf_stat.tool); 2811ba6039b6SJiri Olsa if (session == NULL) 2812ba6039b6SJiri Olsa return -1; 2813ba6039b6SJiri Olsa 2814ba6039b6SJiri Olsa perf_stat.session = session; 2815ba6039b6SJiri Olsa stat_config.output = stderr; 2816ba6039b6SJiri Olsa evsel_list = session->evlist; 2817ba6039b6SJiri Olsa 2818ba6039b6SJiri Olsa ret = perf_session__process_events(session); 2819ba6039b6SJiri Olsa if (ret) 2820ba6039b6SJiri Olsa return ret; 2821ba6039b6SJiri Olsa 2822ba6039b6SJiri Olsa perf_session__delete(session); 2823ba6039b6SJiri Olsa return 0; 2824ba6039b6SJiri Olsa } 2825ba6039b6SJiri Olsa 2826e3ba76deSJiri Olsa static void setup_system_wide(int forks) 2827e3ba76deSJiri Olsa { 2828e3ba76deSJiri Olsa /* 2829e3ba76deSJiri Olsa * Make system wide (-a) the default target if 2830e3ba76deSJiri Olsa * no target was specified and one of following 2831e3ba76deSJiri Olsa * conditions is met: 2832e3ba76deSJiri Olsa * 2833e3ba76deSJiri Olsa * - there's no workload specified 2834e3ba76deSJiri Olsa * - there is workload specified but all requested 2835e3ba76deSJiri Olsa * events are system wide events 2836e3ba76deSJiri Olsa */ 2837e3ba76deSJiri Olsa if (!target__none(&target)) 2838e3ba76deSJiri Olsa return; 2839e3ba76deSJiri Olsa 2840e3ba76deSJiri Olsa if (!forks) 2841e3ba76deSJiri Olsa target.system_wide = true; 2842e3ba76deSJiri Olsa else { 2843e3ba76deSJiri Olsa struct perf_evsel *counter; 2844e3ba76deSJiri Olsa 2845e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 2846e3ba76deSJiri Olsa if (!counter->system_wide) 2847e3ba76deSJiri Olsa return; 2848e3ba76deSJiri Olsa } 2849e3ba76deSJiri Olsa 2850e3ba76deSJiri Olsa if (evsel_list->nr_entries) 2851e3ba76deSJiri Olsa target.system_wide = true; 2852e3ba76deSJiri Olsa } 2853e3ba76deSJiri Olsa } 2854e3ba76deSJiri Olsa 2855b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 285686470930SIngo Molnar { 2857b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 2858b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 2859b070a547SArnaldo Carvalho de Melo NULL 2860b070a547SArnaldo Carvalho de Melo }; 2861cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 28624aa9015fSStephane Eranian const char *mode; 28635821522eSJiri Olsa FILE *output = stderr; 2864f1f8ad52Syuzhoujian unsigned int interval, timeout; 2865ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 286642202dd5SIngo Molnar 28675af52b51SStephane Eranian setlocale(LC_ALL, ""); 28685af52b51SStephane Eranian 2869334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 2870361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 2871361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 2872361c99a6SArnaldo Carvalho de Melo 28731669e509SWang Nan parse_events__shrink_config_terms(); 28744979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 28754979d0c7SJiri Olsa (const char **) stat_usage, 2876a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 287737932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 2878fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 2879d7470b6aSStephane Eranian 28806edb78a2SJiri Olsa if (csv_sep) { 28816edb78a2SJiri Olsa csv_output = true; 28826edb78a2SJiri Olsa if (!strcmp(csv_sep, "\\t")) 28836edb78a2SJiri Olsa csv_sep = "\t"; 28846edb78a2SJiri Olsa } else 28856edb78a2SJiri Olsa csv_sep = DEFAULT_SEPARATOR; 28866edb78a2SJiri Olsa 28874979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 28884979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 28894979d0c7SJiri Olsa if (argc < 0) 28904979d0c7SJiri Olsa return -1; 2891ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 2892ba6039b6SJiri Olsa return __cmd_report(argc, argv); 28934979d0c7SJiri Olsa 2894ec0d3d1fSJiri Olsa interval = stat_config.interval; 2895f1f8ad52Syuzhoujian timeout = stat_config.timeout; 2896ec0d3d1fSJiri Olsa 28974979d0c7SJiri Olsa /* 28984979d0c7SJiri Olsa * For record command the -o is already taken care of. 28994979d0c7SJiri Olsa */ 29004979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 29014aa9015fSStephane Eranian output = NULL; 29024aa9015fSStephane Eranian 290356f3bae7SJim Cromie if (output_name && output_fd) { 290456f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 2905e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 2906e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 2907cc03c542SNamhyung Kim goto out; 290856f3bae7SJim Cromie } 2909fc3e4d07SStephane Eranian 291054b50916SAndi Kleen if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { 291154b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 291254b50916SAndi Kleen goto out; 291354b50916SAndi Kleen } 291454b50916SAndi Kleen 291554b50916SAndi Kleen if (metric_only && run_count > 1) { 291654b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 291754b50916SAndi Kleen goto out; 291854b50916SAndi Kleen } 291954b50916SAndi Kleen 2920e55c14afSJiri Olsa if (walltime_run_table && run_count <= 1) { 2921e55c14afSJiri Olsa fprintf(stderr, "--table is only supported with -r\n"); 2922e55c14afSJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2923e55c14afSJiri Olsa parse_options_usage(NULL, stat_options, "table", 0); 2924e55c14afSJiri Olsa goto out; 2925e55c14afSJiri Olsa } 2926e55c14afSJiri Olsa 2927fc3e4d07SStephane Eranian if (output_fd < 0) { 2928fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 2929e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 2930cc03c542SNamhyung Kim goto out; 2931fc3e4d07SStephane Eranian } 2932fc3e4d07SStephane Eranian 29334aa9015fSStephane Eranian if (!output) { 29344aa9015fSStephane Eranian struct timespec tm; 29354aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 29364aa9015fSStephane Eranian 29374aa9015fSStephane Eranian output = fopen(output_name, mode); 29384aa9015fSStephane Eranian if (!output) { 29394aa9015fSStephane Eranian perror("failed to create output file"); 2940fceda7feSDavid Ahern return -1; 29414aa9015fSStephane Eranian } 29424aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 29434aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2944fc3e4d07SStephane Eranian } else if (output_fd > 0) { 294556f3bae7SJim Cromie mode = append_file ? "a" : "w"; 294656f3bae7SJim Cromie output = fdopen(output_fd, mode); 294756f3bae7SJim Cromie if (!output) { 294856f3bae7SJim Cromie perror("Failed opening logfd"); 294956f3bae7SJim Cromie return -errno; 295056f3bae7SJim Cromie } 29514aa9015fSStephane Eranian } 29524aa9015fSStephane Eranian 29535821522eSJiri Olsa stat_config.output = output; 29545821522eSJiri Olsa 2955d7470b6aSStephane Eranian /* 2956d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2957d7470b6aSStephane Eranian */ 2958d7470b6aSStephane Eranian if (csv_output) { 295961a9f324SJim Cromie /* User explicitly passed -B? */ 2960d7470b6aSStephane Eranian if (big_num_opt == 1) { 2961d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2962e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2963e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2964cc03c542SNamhyung Kim goto out; 2965d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 2966d7470b6aSStephane Eranian big_num = false; 2967d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 2968d7470b6aSStephane Eranian big_num = false; 2969d7470b6aSStephane Eranian 2970e3ba76deSJiri Olsa setup_system_wide(argc); 2971ac3063bdSDavid Ahern 29720ce2da14SJiri Olsa /* 29730ce2da14SJiri Olsa * Display user/system times only for single 29740ce2da14SJiri Olsa * run and when there's specified tracee. 29750ce2da14SJiri Olsa */ 29760ce2da14SJiri Olsa if ((run_count == 1) && target__none(&target)) 29770ce2da14SJiri Olsa ru_display = true; 29780ce2da14SJiri Olsa 2979a7e191c3SFrederik Deweerdt if (run_count < 0) { 2980cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2981e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2982cc03c542SNamhyung Kim goto out; 2983a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 2984a7e191c3SFrederik Deweerdt forever = true; 2985a7e191c3SFrederik Deweerdt run_count = 1; 2986a7e191c3SFrederik Deweerdt } 298786470930SIngo Molnar 2988e55c14afSJiri Olsa if (walltime_run_table) { 2989e55c14afSJiri Olsa walltime_run = zalloc(run_count * sizeof(walltime_run[0])); 2990e55c14afSJiri Olsa if (!walltime_run) { 2991e55c14afSJiri Olsa pr_err("failed to setup -r option"); 2992e55c14afSJiri Olsa goto out; 2993e55c14afSJiri Olsa } 2994e55c14afSJiri Olsa } 2995e55c14afSJiri Olsa 29961d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && 29971d9f8d1bSJin Yao !target__has_task(&target)) { 29981d9f8d1bSJin Yao if (!target.system_wide || target.cpu_list) { 29991d9f8d1bSJin Yao fprintf(stderr, "The --per-thread option is only " 30001d9f8d1bSJin Yao "available when monitoring via -p -t -a " 30011d9f8d1bSJin Yao "options or only --per-thread.\n"); 3002e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 3003e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 300432b8af82SJiri Olsa goto out; 300532b8af82SJiri Olsa } 30061d9f8d1bSJin Yao } 300732b8af82SJiri Olsa 300832b8af82SJiri Olsa /* 300932b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 301032b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 301132b8af82SJiri Olsa */ 3012421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 3013421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 3014602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 3015023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 3016023695d9SStephane Eranian "modes only available in system-wide mode\n"); 3017023695d9SStephane Eranian 3018e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 3019e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 3020e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 3021cc03c542SNamhyung Kim goto out; 3022d7e7a451SStephane Eranian } 3023d7e7a451SStephane Eranian 30242cba3ffbSIngo Molnar if (add_default_attributes()) 3025c6264defSIngo Molnar goto out; 302686470930SIngo Molnar 3027602ad878SArnaldo Carvalho de Melo target__validate(&target); 30285c98d466SArnaldo Carvalho de Melo 30291d9f8d1bSJin Yao if ((stat_config.aggr_mode == AGGR_THREAD) && (target.system_wide)) 30301d9f8d1bSJin Yao target.per_thread = true; 30311d9f8d1bSJin Yao 303277a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 3033602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 30345c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 3035e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 3036e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 3037602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 303860d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 3039e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 3040e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 3041cc03c542SNamhyung Kim } 3042cc03c542SNamhyung Kim goto out; 304360d567e2SArnaldo Carvalho de Melo } 304432b8af82SJiri Olsa 304532b8af82SJiri Olsa /* 304632b8af82SJiri Olsa * Initialize thread_map with comm names, 304732b8af82SJiri Olsa * so we could print it out on output. 304832b8af82SJiri Olsa */ 304956739444SJin Yao if (stat_config.aggr_mode == AGGR_THREAD) { 305032b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 305156739444SJin Yao if (target.system_wide) { 305256739444SJin Yao if (runtime_stat_new(&stat_config, 305356739444SJin Yao thread_map__nr(evsel_list->threads))) { 305456739444SJin Yao goto out; 305556739444SJin Yao } 305656739444SJin Yao } 305756739444SJin Yao } 305832b8af82SJiri Olsa 3059db06a269Syuzhoujian if (stat_config.times && interval) 3060db06a269Syuzhoujian interval_count = true; 3061db06a269Syuzhoujian else if (stat_config.times && !interval) { 3062db06a269Syuzhoujian pr_err("interval-count option should be used together with " 3063db06a269Syuzhoujian "interval-print.\n"); 3064db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "interval-count", 0); 3065db06a269Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 3066db06a269Syuzhoujian goto out; 3067db06a269Syuzhoujian } 3068c45c6ea2SStephane Eranian 3069f1f8ad52Syuzhoujian if (timeout && timeout < 100) { 3070f1f8ad52Syuzhoujian if (timeout < 10) { 3071f1f8ad52Syuzhoujian pr_err("timeout must be >= 10ms.\n"); 3072f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 3073f1f8ad52Syuzhoujian goto out; 3074f1f8ad52Syuzhoujian } else 3075f1f8ad52Syuzhoujian pr_warning("timeout < 100ms. " 3076f1f8ad52Syuzhoujian "The overhead percentage could be high in some cases. " 3077f1f8ad52Syuzhoujian "Please proceed with caution.\n"); 3078f1f8ad52Syuzhoujian } 3079f1f8ad52Syuzhoujian if (timeout && interval) { 3080f1f8ad52Syuzhoujian pr_err("timeout option is not supported with interval-print.\n"); 3081f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "timeout", 0); 3082f1f8ad52Syuzhoujian parse_options_usage(stat_usage, stat_options, "I", 1); 3083f1f8ad52Syuzhoujian goto out; 3084f1f8ad52Syuzhoujian } 3085f1f8ad52Syuzhoujian 3086d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 308703ad9747SArnaldo Carvalho de Melo goto out; 3088d6d901c2SZhang, Yanmin 308986ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 309003ad9747SArnaldo Carvalho de Melo goto out; 309186ee6e18SStephane Eranian 309286470930SIngo Molnar /* 309386470930SIngo Molnar * We dont want to block the signals - that would cause 309486470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 309586470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 309686470930SIngo Molnar * task, but being ignored by perf stat itself: 309786470930SIngo Molnar */ 3098f7b7c26eSPeter Zijlstra atexit(sig_atexit); 3099a7e191c3SFrederik Deweerdt if (!forever) 310086470930SIngo Molnar signal(SIGINT, skip_signal); 310113370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 310286470930SIngo Molnar signal(SIGALRM, skip_signal); 310386470930SIngo Molnar signal(SIGABRT, skip_signal); 310486470930SIngo Molnar 310542202dd5SIngo Molnar status = 0; 3106a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 3107bb963e16SNamhyung Kim if (run_count != 1 && verbose > 0) 31084aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 31094aa9015fSStephane Eranian run_idx + 1); 3110f9cef0a9SIngo Molnar 3111e55c14afSJiri Olsa status = run_perf_stat(argc, argv, run_idx); 3112a7e191c3SFrederik Deweerdt if (forever && status != -1) { 3113d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 3114254ecbc7SJiri Olsa perf_stat__reset_stats(); 3115a7e191c3SFrederik Deweerdt } 311642202dd5SIngo Molnar } 311742202dd5SIngo Molnar 3118a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 3119d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 3120d134ffb9SArnaldo Carvalho de Melo 31214979d0c7SJiri Olsa if (STAT_RECORD) { 31224979d0c7SJiri Olsa /* 31234979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 31244979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 31254979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 31264979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 31274979d0c7SJiri Olsa * 31284979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 31298b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 31308b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 31318b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 31328b99b1a4SJiri Olsa * tools remain -acme 31334979d0c7SJiri Olsa */ 31348ceb41d7SJiri Olsa int fd = perf_data__fd(&perf_stat.data); 31354979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 31364979d0c7SJiri Olsa process_synthesized_event, 31374979d0c7SJiri Olsa &perf_stat.session->machines.host); 31384979d0c7SJiri Olsa if (err) { 31394979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 31404979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 31414979d0c7SJiri Olsa } 31424979d0c7SJiri Olsa 31437aad0c32SJiri Olsa if (!interval) { 31447aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 31457aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 31467aad0c32SJiri Olsa } 31477aad0c32SJiri Olsa 31488ceb41d7SJiri Olsa if (!perf_stat.data.is_pipe) { 31494979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 31504979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 3151664c98d4SJiri Olsa } 31524979d0c7SJiri Olsa 31534979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 31544979d0c7SJiri Olsa } 31554979d0c7SJiri Olsa 3156544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 3157d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 31580015e2e1SArnaldo Carvalho de Melo out: 3159e55c14afSJiri Olsa free(walltime_run); 3160e55c14afSJiri Olsa 3161daefd0bcSKan Liang if (smi_cost && smi_reset) 3162daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 3163daefd0bcSKan Liang 31640015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 316556739444SJin Yao 316656739444SJin Yao runtime_stat_delete(&stat_config); 316756739444SJin Yao 316842202dd5SIngo Molnar return status; 316986470930SIngo Molnar } 3170