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" 55a5d243d0SIngo Molnar #include "util/color.h" 560007eceaSXiao Guangrong #include "util/stat.h" 5760666c63SLiming Wang #include "util/header.h" 58a12b51c4SPaul Mackerras #include "util/cpumap.h" 59d6d901c2SZhang, Yanmin #include "util/thread.h" 60fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 61d809560bSJiri Olsa #include "util/counts.h" 624979d0c7SJiri Olsa #include "util/session.h" 6386470930SIngo Molnar 641f16c575SPeter Zijlstra #include <stdlib.h> 6586470930SIngo Molnar #include <sys/prctl.h> 665af52b51SStephane Eranian #include <locale.h> 6786470930SIngo Molnar 68d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 692cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 702cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 71d7470b6aSStephane Eranian 72d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 7313370a9bSStephane Eranian 744cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 75a454742cSJiri Olsa static const char *transaction_attrs = { 76a454742cSJiri Olsa "task-clock," 774cabc3d1SAndi Kleen "{" 784cabc3d1SAndi Kleen "instructions," 794cabc3d1SAndi Kleen "cycles," 804cabc3d1SAndi Kleen "cpu/cycles-t/," 814cabc3d1SAndi Kleen "cpu/tx-start/," 824cabc3d1SAndi Kleen "cpu/el-start/," 834cabc3d1SAndi Kleen "cpu/cycles-ct/" 844cabc3d1SAndi Kleen "}" 854cabc3d1SAndi Kleen }; 864cabc3d1SAndi Kleen 874cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 88a454742cSJiri Olsa static const char * transaction_limited_attrs = { 89a454742cSJiri Olsa "task-clock," 904cabc3d1SAndi Kleen "{" 914cabc3d1SAndi Kleen "instructions," 924cabc3d1SAndi Kleen "cycles," 934cabc3d1SAndi Kleen "cpu/cycles-t/," 944cabc3d1SAndi Kleen "cpu/tx-start/" 954cabc3d1SAndi Kleen "}" 964cabc3d1SAndi Kleen }; 974cabc3d1SAndi Kleen 98666e6d48SRobert Richter static struct perf_evlist *evsel_list; 99361c99a6SArnaldo Carvalho de Melo 100602ad878SArnaldo Carvalho de Melo static struct target target = { 10177a6f014SNamhyung Kim .uid = UINT_MAX, 10277a6f014SNamhyung Kim }; 10342202dd5SIngo Molnar 1041e5a2931SJiri Olsa typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); 1051e5a2931SJiri Olsa 1063d632595SJaswinder Singh Rajput static int run_count = 1; 1072e6cdf99SStephane Eranian static bool no_inherit = false; 108d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 109c0555642SIan Munsie static bool null_run = false; 1102cba3ffbSIngo Molnar static int detailed_run = 0; 1114cabc3d1SAndi Kleen static bool transaction_run; 112201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 113d7470b6aSStephane Eranian static int big_num_opt = -1; 114d7470b6aSStephane Eranian static const char *csv_sep = NULL; 115d7470b6aSStephane Eranian static bool csv_output = false; 11643bece79SLin Ming static bool group = false; 1171f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1181f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1191f16c575SPeter Zijlstra static bool sync_run = false; 12041191688SAndi Kleen static unsigned int initial_delay = 0; 121410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 122a7e191c3SFrederik Deweerdt static bool forever = false; 12313370a9bSStephane Eranian static struct timespec ref_time; 12486ee6e18SStephane Eranian static struct cpu_map *aggr_map; 1251e5a2931SJiri Olsa static aggr_get_id_t aggr_get_id; 126e0547311SJiri Olsa static bool append_file; 127e0547311SJiri Olsa static const char *output_name; 128e0547311SJiri Olsa static int output_fd; 1295af52b51SStephane Eranian 1304979d0c7SJiri Olsa struct perf_stat { 1314979d0c7SJiri Olsa bool record; 1324979d0c7SJiri Olsa struct perf_data_file file; 1334979d0c7SJiri Olsa struct perf_session *session; 1344979d0c7SJiri Olsa u64 bytes_written; 1354979d0c7SJiri Olsa }; 1364979d0c7SJiri Olsa 1374979d0c7SJiri Olsa static struct perf_stat perf_stat; 1384979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1394979d0c7SJiri Olsa 14060666c63SLiming Wang static volatile int done = 0; 14160666c63SLiming Wang 142421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 143421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 144711a572eSJiri Olsa .scale = true, 145421a50f3SJiri Olsa }; 146421a50f3SJiri Olsa 14713370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 14813370a9bSStephane Eranian struct timespec *b) 14913370a9bSStephane Eranian { 15013370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 15113370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 15213370a9bSStephane Eranian r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; 15313370a9bSStephane Eranian r->tv_sec--; 15413370a9bSStephane Eranian } else { 15513370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 15613370a9bSStephane Eranian } 15713370a9bSStephane Eranian } 15813370a9bSStephane Eranian 159254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 160254ecbc7SJiri Olsa { 161254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 162f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 1631eda3b21SJiri Olsa } 1641eda3b21SJiri Olsa 165cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 16686470930SIngo Molnar { 16769aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 168727ab04eSArnaldo Carvalho de Melo 169711a572eSJiri Olsa if (stat_config.scale) 17086470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 17186470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 17286470930SIngo Molnar 1732e6cdf99SStephane Eranian attr->inherit = !no_inherit; 1745d2cd909SArnaldo Carvalho de Melo 1756acd8e92SJiri Olsa /* 1766acd8e92SJiri Olsa * Some events get initialized with sample_(period/type) set, 1776acd8e92SJiri Olsa * like tracepoints. Clear it up for counting. 1786acd8e92SJiri Olsa */ 1796acd8e92SJiri Olsa attr->sample_period = 0; 1804979d0c7SJiri Olsa /* 1814979d0c7SJiri Olsa * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 1824979d0c7SJiri Olsa * while avoiding that older tools show confusing messages. 1834979d0c7SJiri Olsa */ 1844979d0c7SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 1856acd8e92SJiri Olsa 18667ccdecdSJiri Olsa /* 18767ccdecdSJiri Olsa * Disabling all counters initially, they will be enabled 18867ccdecdSJiri Olsa * either manually by us or by kernel via enable_on_exec 18967ccdecdSJiri Olsa * set later. 19067ccdecdSJiri Olsa */ 191c8280cecSJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 19267ccdecdSJiri Olsa attr->disabled = 1; 19367ccdecdSJiri Olsa 194c8280cecSJiri Olsa /* 195c8280cecSJiri Olsa * In case of initial_delay we enable tracee 196c8280cecSJiri Olsa * events manually. 197c8280cecSJiri Olsa */ 198c8280cecSJiri Olsa if (target__none(&target) && !initial_delay) 199c8280cecSJiri Olsa attr->enable_on_exec = 1; 200c8280cecSJiri Olsa } 201c8280cecSJiri Olsa 202602ad878SArnaldo Carvalho de Melo if (target__has_cpu(&target)) 203594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 2045622c07bSStephane Eranian 205594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 20686470930SIngo Molnar } 20786470930SIngo Molnar 20886470930SIngo Molnar /* 20986470930SIngo Molnar * Does the counter have nsecs as a unit? 21086470930SIngo Molnar */ 211daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 21286470930SIngo Molnar { 213daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 214daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 21586470930SIngo Molnar return 1; 21686470930SIngo Molnar 21786470930SIngo Molnar return 0; 21886470930SIngo Molnar } 21986470930SIngo Molnar 2208b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2214979d0c7SJiri Olsa union perf_event *event, 2224979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2234979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2244979d0c7SJiri Olsa { 2258b99b1a4SJiri Olsa if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { 2268b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2278b99b1a4SJiri Olsa return -1; 2288b99b1a4SJiri Olsa } 2298b99b1a4SJiri Olsa 2308b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2318b99b1a4SJiri Olsa return 0; 2324979d0c7SJiri Olsa } 2334979d0c7SJiri Olsa 2347aad0c32SJiri Olsa static int write_stat_round_event(u64 time, u64 type) 2357aad0c32SJiri Olsa { 2367aad0c32SJiri Olsa return perf_event__synthesize_stat_round(NULL, time, type, 2377aad0c32SJiri Olsa process_synthesized_event, 2387aad0c32SJiri Olsa NULL); 2397aad0c32SJiri Olsa } 2407aad0c32SJiri Olsa 2417aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2427aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2437aad0c32SJiri Olsa 2445a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 2455a6ea81bSJiri Olsa 2465a6ea81bSJiri Olsa static int 2475a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 2485a6ea81bSJiri Olsa struct perf_counts_values *count) 2495a6ea81bSJiri Olsa { 2505a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2515a6ea81bSJiri Olsa 2525a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2535a6ea81bSJiri Olsa process_synthesized_event, NULL); 2545a6ea81bSJiri Olsa } 2555a6ea81bSJiri Olsa 256f5b4a9c3SStephane Eranian /* 257f5b4a9c3SStephane Eranian * Read out the results of a single counter: 258f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 259f5b4a9c3SStephane Eranian */ 260c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 261f5b4a9c3SStephane Eranian { 2629bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 2639bf1a529SJiri Olsa int ncpus = perf_evsel__nr_cpus(counter); 2649bf1a529SJiri Olsa int cpu, thread; 265f5b4a9c3SStephane Eranian 2663b4331d9SSuzuki K. Poulose if (!counter->supported) 2673b4331d9SSuzuki K. Poulose return -ENOENT; 2683b4331d9SSuzuki K. Poulose 2699bf1a529SJiri Olsa if (counter->system_wide) 2709bf1a529SJiri Olsa nthreads = 1; 2719bf1a529SJiri Olsa 2729bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 2739bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 2743b3eb044SJiri Olsa struct perf_counts_values *count; 2753b3eb044SJiri Olsa 2763b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 2773b3eb044SJiri Olsa if (perf_evsel__read(counter, cpu, thread, count)) 278c52b12edSArnaldo Carvalho de Melo return -1; 2795a6ea81bSJiri Olsa 2805a6ea81bSJiri Olsa if (STAT_RECORD) { 2815a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 2825a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 2835a6ea81bSJiri Olsa return -1; 2845a6ea81bSJiri Olsa } 2855a6ea81bSJiri Olsa } 286f5b4a9c3SStephane Eranian } 2879bf1a529SJiri Olsa } 288c52b12edSArnaldo Carvalho de Melo 289c52b12edSArnaldo Carvalho de Melo return 0; 29086470930SIngo Molnar } 29186470930SIngo Molnar 2925fc472a6SJiri Olsa static void read_counters(bool close_counters) 293106a94a0SJiri Olsa { 294106a94a0SJiri Olsa struct perf_evsel *counter; 295106a94a0SJiri Olsa 296106a94a0SJiri Olsa evlist__for_each(evsel_list, counter) { 2973b3eb044SJiri Olsa if (read_counter(counter)) 298245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 2993b3eb044SJiri Olsa 300f80010ebSJiri Olsa if (perf_stat_process_counter(&stat_config, counter)) 3013b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 302106a94a0SJiri Olsa 3035fc472a6SJiri Olsa if (close_counters) { 304106a94a0SJiri Olsa perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 305106a94a0SJiri Olsa thread_map__nr(evsel_list->threads)); 306106a94a0SJiri Olsa } 307106a94a0SJiri Olsa } 308106a94a0SJiri Olsa } 309106a94a0SJiri Olsa 310ba411a95SJiri Olsa static void process_interval(void) 31113370a9bSStephane Eranian { 31213370a9bSStephane Eranian struct timespec ts, rs; 31313370a9bSStephane Eranian 314106a94a0SJiri Olsa read_counters(false); 31586ee6e18SStephane Eranian 31613370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 31713370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 31813370a9bSStephane Eranian 3197aad0c32SJiri Olsa if (STAT_RECORD) { 3207aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSECS_PER_SEC + rs.tv_nsec, INTERVAL)) 3217aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 3227aad0c32SJiri Olsa } 3237aad0c32SJiri Olsa 324d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 32513370a9bSStephane Eranian } 32613370a9bSStephane Eranian 32767ccdecdSJiri Olsa static void enable_counters(void) 32841191688SAndi Kleen { 32967ccdecdSJiri Olsa if (initial_delay) 33041191688SAndi Kleen usleep(initial_delay * 1000); 33167ccdecdSJiri Olsa 33267ccdecdSJiri Olsa /* 33367ccdecdSJiri Olsa * We need to enable counters only if: 33467ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 33567ccdecdSJiri Olsa * - we have initial delay configured 33667ccdecdSJiri Olsa */ 33767ccdecdSJiri Olsa if (!target__none(&target) || initial_delay) 338ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 33941191688SAndi Kleen } 34041191688SAndi Kleen 341f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 3426af206fdSArnaldo Carvalho de Melo 3436af206fdSArnaldo Carvalho de Melo /* 3446af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 3456af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 3466af206fdSArnaldo Carvalho de Melo * want_signal to true. 3476af206fdSArnaldo Carvalho de Melo */ 348f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 349f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 3506af206fdSArnaldo Carvalho de Melo { 351f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 3526af206fdSArnaldo Carvalho de Melo } 3536af206fdSArnaldo Carvalho de Melo 3547b60a7e3SJiri Olsa static bool has_unit(struct perf_evsel *counter) 3557b60a7e3SJiri Olsa { 3567b60a7e3SJiri Olsa return counter->unit && *counter->unit; 3577b60a7e3SJiri Olsa } 3587b60a7e3SJiri Olsa 3597b60a7e3SJiri Olsa static bool has_scale(struct perf_evsel *counter) 3607b60a7e3SJiri Olsa { 3617b60a7e3SJiri Olsa return counter->scale != 1; 3627b60a7e3SJiri Olsa } 3637b60a7e3SJiri Olsa 364664c98d4SJiri Olsa static int perf_stat_synthesize_config(bool is_pipe) 3658b99b1a4SJiri Olsa { 3667b60a7e3SJiri Olsa struct perf_evsel *counter; 3678b99b1a4SJiri Olsa int err; 3688b99b1a4SJiri Olsa 369664c98d4SJiri Olsa if (is_pipe) { 370664c98d4SJiri Olsa err = perf_event__synthesize_attrs(NULL, perf_stat.session, 371664c98d4SJiri Olsa process_synthesized_event); 372664c98d4SJiri Olsa if (err < 0) { 373664c98d4SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 374664c98d4SJiri Olsa return err; 375664c98d4SJiri Olsa } 376664c98d4SJiri Olsa } 377664c98d4SJiri Olsa 3787b60a7e3SJiri Olsa /* 3797b60a7e3SJiri Olsa * Synthesize other events stuff not carried within 3807b60a7e3SJiri Olsa * attr event - unit, scale, name 3817b60a7e3SJiri Olsa */ 3827b60a7e3SJiri Olsa evlist__for_each(evsel_list, counter) { 3837b60a7e3SJiri Olsa if (!counter->supported) 3847b60a7e3SJiri Olsa continue; 3857b60a7e3SJiri Olsa 3867b60a7e3SJiri Olsa /* 3877b60a7e3SJiri Olsa * Synthesize unit and scale only if it's defined. 3887b60a7e3SJiri Olsa */ 3897b60a7e3SJiri Olsa if (has_unit(counter)) { 3907b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); 3917b60a7e3SJiri Olsa if (err < 0) { 3927b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel unit.\n"); 3937b60a7e3SJiri Olsa return err; 3947b60a7e3SJiri Olsa } 3957b60a7e3SJiri Olsa } 3967b60a7e3SJiri Olsa 3977b60a7e3SJiri Olsa if (has_scale(counter)) { 3987b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); 3997b60a7e3SJiri Olsa if (err < 0) { 4007b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 4017b60a7e3SJiri Olsa return err; 4027b60a7e3SJiri Olsa } 4037b60a7e3SJiri Olsa } 4047b60a7e3SJiri Olsa 4057b60a7e3SJiri Olsa if (counter->own_cpus) { 4067b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); 4077b60a7e3SJiri Olsa if (err < 0) { 4087b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 4097b60a7e3SJiri Olsa return err; 4107b60a7e3SJiri Olsa } 4117b60a7e3SJiri Olsa } 4127b60a7e3SJiri Olsa 4137b60a7e3SJiri Olsa /* 4147b60a7e3SJiri Olsa * Name is needed only for pipe output, 4157b60a7e3SJiri Olsa * perf.data carries event names. 4167b60a7e3SJiri Olsa */ 4177b60a7e3SJiri Olsa if (is_pipe) { 4187b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); 4197b60a7e3SJiri Olsa if (err < 0) { 4207b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel name.\n"); 4217b60a7e3SJiri Olsa return err; 4227b60a7e3SJiri Olsa } 4237b60a7e3SJiri Olsa } 4247b60a7e3SJiri Olsa } 4257b60a7e3SJiri Olsa 4268b99b1a4SJiri Olsa err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, 4278b99b1a4SJiri Olsa process_synthesized_event, 4288b99b1a4SJiri Olsa NULL); 4298b99b1a4SJiri Olsa if (err < 0) { 4308b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4318b99b1a4SJiri Olsa return err; 4328b99b1a4SJiri Olsa } 4338b99b1a4SJiri Olsa 4348b99b1a4SJiri Olsa err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, 4358b99b1a4SJiri Olsa process_synthesized_event, NULL); 4368b99b1a4SJiri Olsa if (err < 0) { 4378b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4388b99b1a4SJiri Olsa return err; 4398b99b1a4SJiri Olsa } 4408b99b1a4SJiri Olsa 4418b99b1a4SJiri Olsa err = perf_event__synthesize_stat_config(NULL, &stat_config, 4428b99b1a4SJiri Olsa process_synthesized_event, NULL); 4438b99b1a4SJiri Olsa if (err < 0) { 4448b99b1a4SJiri Olsa pr_err("Couldn't synthesize config.\n"); 4458b99b1a4SJiri Olsa return err; 4468b99b1a4SJiri Olsa } 4478b99b1a4SJiri Olsa 4488b99b1a4SJiri Olsa return 0; 4498b99b1a4SJiri Olsa } 4508b99b1a4SJiri Olsa 4512af4646dSJiri Olsa #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 4522af4646dSJiri Olsa 4532af4646dSJiri Olsa static int __store_counter_ids(struct perf_evsel *counter, 4542af4646dSJiri Olsa struct cpu_map *cpus, 4552af4646dSJiri Olsa struct thread_map *threads) 4562af4646dSJiri Olsa { 4572af4646dSJiri Olsa int cpu, thread; 4582af4646dSJiri Olsa 4592af4646dSJiri Olsa for (cpu = 0; cpu < cpus->nr; cpu++) { 4602af4646dSJiri Olsa for (thread = 0; thread < threads->nr; thread++) { 4612af4646dSJiri Olsa int fd = FD(counter, cpu, thread); 4622af4646dSJiri Olsa 4632af4646dSJiri Olsa if (perf_evlist__id_add_fd(evsel_list, counter, 4642af4646dSJiri Olsa cpu, thread, fd) < 0) 4652af4646dSJiri Olsa return -1; 4662af4646dSJiri Olsa } 4672af4646dSJiri Olsa } 4682af4646dSJiri Olsa 4692af4646dSJiri Olsa return 0; 4702af4646dSJiri Olsa } 4712af4646dSJiri Olsa 4722af4646dSJiri Olsa static int store_counter_ids(struct perf_evsel *counter) 4732af4646dSJiri Olsa { 4742af4646dSJiri Olsa struct cpu_map *cpus = counter->cpus; 4752af4646dSJiri Olsa struct thread_map *threads = counter->threads; 4762af4646dSJiri Olsa 4772af4646dSJiri Olsa if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) 4782af4646dSJiri Olsa return -ENOMEM; 4792af4646dSJiri Olsa 4802af4646dSJiri Olsa return __store_counter_ids(counter, cpus, threads); 4812af4646dSJiri Olsa } 4822af4646dSJiri Olsa 483acf28922SNamhyung Kim static int __run_perf_stat(int argc, const char **argv) 48486470930SIngo Molnar { 485ec0d3d1fSJiri Olsa int interval = stat_config.interval; 48656e52e85SArnaldo Carvalho de Melo char msg[512]; 48786470930SIngo Molnar unsigned long long t0, t1; 488cac21425SJiri Olsa struct perf_evsel *counter; 48913370a9bSStephane Eranian struct timespec ts; 490410136f5SStephane Eranian size_t l; 49142202dd5SIngo Molnar int status = 0; 4926be2850eSZhang, Yanmin const bool forks = (argc > 0); 493664c98d4SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; 49486470930SIngo Molnar 49513370a9bSStephane Eranian if (interval) { 49613370a9bSStephane Eranian ts.tv_sec = interval / 1000; 49713370a9bSStephane Eranian ts.tv_nsec = (interval % 1000) * 1000000; 49813370a9bSStephane Eranian } else { 49913370a9bSStephane Eranian ts.tv_sec = 1; 50013370a9bSStephane Eranian ts.tv_nsec = 0; 50113370a9bSStephane Eranian } 50213370a9bSStephane Eranian 503acf28922SNamhyung Kim if (forks) { 504664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 505735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 506acf28922SNamhyung Kim perror("failed to prepare workload"); 507fceda7feSDavid Ahern return -1; 508051ae7f7SPaul Mackerras } 509d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 51060666c63SLiming Wang } 511051ae7f7SPaul Mackerras 5126a4bb04cSJiri Olsa if (group) 51363dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 5146a4bb04cSJiri Olsa 5150050f7aaSArnaldo Carvalho de Melo evlist__for_each(evsel_list, counter) { 516cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 517979987a5SDavid Ahern /* 518979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 519979987a5SDavid Ahern * (behavior changed with commit b0a873e). 520979987a5SDavid Ahern */ 52138f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 522979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 523979987a5SDavid Ahern errno == ENXIO) { 524c63ca0c0SDavid Ahern if (verbose) 525c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 5267289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 5272cee77c4SDavid Ahern counter->supported = false; 528cb5ef600SKan Liang 529cb5ef600SKan Liang if ((counter->leader != counter) || 530cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 531ede70290SIngo Molnar continue; 532c63ca0c0SDavid Ahern } 533ede70290SIngo Molnar 53456e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 53556e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 53656e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 53756e52e85SArnaldo Carvalho de Melo 538084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 539084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 540fceda7feSDavid Ahern 541084ab9f8SArnaldo Carvalho de Melo return -1; 542084ab9f8SArnaldo Carvalho de Melo } 5432cee77c4SDavid Ahern counter->supported = true; 544410136f5SStephane Eranian 545410136f5SStephane Eranian l = strlen(counter->unit); 546410136f5SStephane Eranian if (l > unit_width) 547410136f5SStephane Eranian unit_width = l; 5482af4646dSJiri Olsa 5492af4646dSJiri Olsa if (STAT_RECORD && store_counter_ids(counter)) 5502af4646dSJiri Olsa return -1; 55148290609SArnaldo Carvalho de Melo } 55286470930SIngo Molnar 55323d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 55423d4aad4SArnaldo Carvalho de Melo error("failed to set filter \"%s\" on event %s with %d (%s)\n", 55523d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 556759e612bSMasami Hiramatsu strerror_r(errno, msg, sizeof(msg))); 557cfd748aeSFrederic Weisbecker return -1; 558cfd748aeSFrederic Weisbecker } 559cfd748aeSFrederic Weisbecker 5604979d0c7SJiri Olsa if (STAT_RECORD) { 5614979d0c7SJiri Olsa int err, fd = perf_data_file__fd(&perf_stat.file); 5624979d0c7SJiri Olsa 563664c98d4SJiri Olsa if (is_pipe) { 564664c98d4SJiri Olsa err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); 565664c98d4SJiri Olsa } else { 5664979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 5674979d0c7SJiri Olsa fd, false); 568664c98d4SJiri Olsa } 569664c98d4SJiri Olsa 5704979d0c7SJiri Olsa if (err < 0) 5714979d0c7SJiri Olsa return err; 5728b99b1a4SJiri Olsa 573664c98d4SJiri Olsa err = perf_stat_synthesize_config(is_pipe); 5748b99b1a4SJiri Olsa if (err < 0) 5758b99b1a4SJiri Olsa return err; 5764979d0c7SJiri Olsa } 5774979d0c7SJiri Olsa 57886470930SIngo Molnar /* 57986470930SIngo Molnar * Enable counters and exec the command: 58086470930SIngo Molnar */ 58186470930SIngo Molnar t0 = rdclock(); 58213370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 58386470930SIngo Molnar 58460666c63SLiming Wang if (forks) { 585acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 58667ccdecdSJiri Olsa enable_counters(); 587acf28922SNamhyung Kim 58813370a9bSStephane Eranian if (interval) { 58913370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 59013370a9bSStephane Eranian nanosleep(&ts, NULL); 591ba411a95SJiri Olsa process_interval(); 59213370a9bSStephane Eranian } 59313370a9bSStephane Eranian } 59442202dd5SIngo Molnar wait(&status); 5956af206fdSArnaldo Carvalho de Melo 596f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 597f33cbe72SArnaldo Carvalho de Melo const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); 598f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 5996af206fdSArnaldo Carvalho de Melo return -1; 600f33cbe72SArnaldo Carvalho de Melo } 6016af206fdSArnaldo Carvalho de Melo 60233e49ea7SAndi Kleen if (WIFSIGNALED(status)) 60333e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 60460666c63SLiming Wang } else { 60567ccdecdSJiri Olsa enable_counters(); 60613370a9bSStephane Eranian while (!done) { 60713370a9bSStephane Eranian nanosleep(&ts, NULL); 60813370a9bSStephane Eranian if (interval) 609ba411a95SJiri Olsa process_interval(); 61013370a9bSStephane Eranian } 61160666c63SLiming Wang } 61286470930SIngo Molnar 61386470930SIngo Molnar t1 = rdclock(); 61486470930SIngo Molnar 6159e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 61642202dd5SIngo Molnar 617106a94a0SJiri Olsa read_counters(true); 618c52b12edSArnaldo Carvalho de Melo 61942202dd5SIngo Molnar return WEXITSTATUS(status); 62042202dd5SIngo Molnar } 62142202dd5SIngo Molnar 62241cde476SArnaldo Carvalho de Melo static int run_perf_stat(int argc, const char **argv) 6231f16c575SPeter Zijlstra { 6241f16c575SPeter Zijlstra int ret; 6251f16c575SPeter Zijlstra 6261f16c575SPeter Zijlstra if (pre_cmd) { 6271f16c575SPeter Zijlstra ret = system(pre_cmd); 6281f16c575SPeter Zijlstra if (ret) 6291f16c575SPeter Zijlstra return ret; 6301f16c575SPeter Zijlstra } 6311f16c575SPeter Zijlstra 6321f16c575SPeter Zijlstra if (sync_run) 6331f16c575SPeter Zijlstra sync(); 6341f16c575SPeter Zijlstra 6351f16c575SPeter Zijlstra ret = __run_perf_stat(argc, argv); 6361f16c575SPeter Zijlstra if (ret) 6371f16c575SPeter Zijlstra return ret; 6381f16c575SPeter Zijlstra 6391f16c575SPeter Zijlstra if (post_cmd) { 6401f16c575SPeter Zijlstra ret = system(post_cmd); 6411f16c575SPeter Zijlstra if (ret) 6421f16c575SPeter Zijlstra return ret; 6431f16c575SPeter Zijlstra } 6441f16c575SPeter Zijlstra 6451f16c575SPeter Zijlstra return ret; 6461f16c575SPeter Zijlstra } 6471f16c575SPeter Zijlstra 648d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 649d73515c0SAndi Kleen { 650d73515c0SAndi Kleen if (csv_output) { 6515821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 652d73515c0SAndi Kleen csv_sep, 653d73515c0SAndi Kleen run, 654d73515c0SAndi Kleen csv_sep, 655d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 656d73515c0SAndi Kleen } else if (run != ena) { 6575821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 658d73515c0SAndi Kleen } 659d73515c0SAndi Kleen } 660d73515c0SAndi Kleen 661f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 662f99844cbSIngo Molnar { 6630007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 664f99844cbSIngo Molnar 6653ae9a34dSZhengyu He if (csv_output) 6665821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 667a1bca6ccSJim Cromie else if (pct) 6685821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 669f99844cbSIngo Molnar } 670f99844cbSIngo Molnar 67169aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 67242202dd5SIngo Molnar { 673581cc8a2SJiri Olsa struct perf_stat_evsel *ps; 67469aad6f1SArnaldo Carvalho de Melo 675849abde9SPeter Zijlstra if (run_count == 1) 676849abde9SPeter Zijlstra return; 677849abde9SPeter Zijlstra 67869aad6f1SArnaldo Carvalho de Melo ps = evsel->priv; 679f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 68042202dd5SIngo Molnar } 68142202dd5SIngo Molnar 68212c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 68342202dd5SIngo Molnar { 684421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 68512c08a9fSStephane Eranian case AGGR_CORE: 6865821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 68712c08a9fSStephane Eranian cpu_map__id_to_socket(id), 68812c08a9fSStephane Eranian csv_output ? 0 : -8, 68912c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 69012c08a9fSStephane Eranian csv_sep, 69112c08a9fSStephane Eranian csv_output ? 0 : 4, 69212c08a9fSStephane Eranian nr, 69312c08a9fSStephane Eranian csv_sep); 69412c08a9fSStephane Eranian break; 69586ee6e18SStephane Eranian case AGGR_SOCKET: 6965821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 697d7e7a451SStephane Eranian csv_output ? 0 : -5, 69812c08a9fSStephane Eranian id, 699d7e7a451SStephane Eranian csv_sep, 700d7e7a451SStephane Eranian csv_output ? 0 : 4, 701d7e7a451SStephane Eranian nr, 702d7e7a451SStephane Eranian csv_sep); 70386ee6e18SStephane Eranian break; 70486ee6e18SStephane Eranian case AGGR_NONE: 7055821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 706d7470b6aSStephane Eranian csv_output ? 0 : -4, 70712c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 70886ee6e18SStephane Eranian break; 70932b8af82SJiri Olsa case AGGR_THREAD: 7105821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 71132b8af82SJiri Olsa csv_output ? 0 : 16, 71232b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 71332b8af82SJiri Olsa csv_output ? 0 : -8, 71432b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 71532b8af82SJiri Olsa csv_sep); 71632b8af82SJiri Olsa break; 71786ee6e18SStephane Eranian case AGGR_GLOBAL: 718208df99eSJiri Olsa case AGGR_UNSET: 71986ee6e18SStephane Eranian default: 72086ee6e18SStephane Eranian break; 72186ee6e18SStephane Eranian } 72286ee6e18SStephane Eranian } 723d7470b6aSStephane Eranian 724da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 72586ee6e18SStephane Eranian { 7265821522eSJiri Olsa FILE *output = stat_config.output; 72786ee6e18SStephane Eranian double msecs = avg / 1e6; 728410136f5SStephane Eranian const char *fmt_v, *fmt_n; 7294bbe5a61SDavid Ahern char name[25]; 73086ee6e18SStephane Eranian 731410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 732410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 733410136f5SStephane Eranian 734da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 73586ee6e18SStephane Eranian 7364bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 7374bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 738410136f5SStephane Eranian 739410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 740410136f5SStephane Eranian 741410136f5SStephane Eranian if (csv_output) 742410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 743410136f5SStephane Eranian else 744410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 745410136f5SStephane Eranian 746410136f5SStephane Eranian fprintf(output, fmt_n, name); 747d7470b6aSStephane Eranian 748023695d9SStephane Eranian if (evsel->cgrp) 7494aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 75042202dd5SIngo Molnar } 75142202dd5SIngo Molnar 752556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 753556b1fb7SJiri Olsa { 7545821522eSJiri Olsa FILE *output = stat_config.output; 755556b1fb7SJiri Olsa double sc = evsel->scale; 756556b1fb7SJiri Olsa const char *fmt; 757556b1fb7SJiri Olsa 758556b1fb7SJiri Olsa if (csv_output) { 759556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; 760556b1fb7SJiri Olsa } else { 761556b1fb7SJiri Olsa if (big_num) 762556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; 763556b1fb7SJiri Olsa else 764556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; 765556b1fb7SJiri Olsa } 766556b1fb7SJiri Olsa 767556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 768556b1fb7SJiri Olsa 769556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 770556b1fb7SJiri Olsa 771556b1fb7SJiri Olsa if (evsel->unit) 772556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 773556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 774556b1fb7SJiri Olsa evsel->unit, csv_sep); 775556b1fb7SJiri Olsa 776556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 777556b1fb7SJiri Olsa 778556b1fb7SJiri Olsa if (evsel->cgrp) 779556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 780eedfcb4bSAndi Kleen } 781556b1fb7SJiri Olsa 782eedfcb4bSAndi Kleen static void printout(int id, int nr, struct perf_evsel *counter, double uval) 783eedfcb4bSAndi Kleen { 784eedfcb4bSAndi Kleen int cpu = cpu_map__id_to_cpu(id); 785556b1fb7SJiri Olsa 786eedfcb4bSAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL) 787eedfcb4bSAndi Kleen cpu = 0; 788eedfcb4bSAndi Kleen 789eedfcb4bSAndi Kleen if (nsec_counter(counter)) 790eedfcb4bSAndi Kleen nsec_printout(id, nr, counter, uval); 791eedfcb4bSAndi Kleen else 792eedfcb4bSAndi Kleen abs_printout(id, nr, counter, uval); 793eedfcb4bSAndi Kleen 794eedfcb4bSAndi Kleen if (!csv_output && !stat_config.interval) 795eedfcb4bSAndi Kleen perf_stat__print_shadow_stats(stat_config.output, counter, 796eedfcb4bSAndi Kleen uval, cpu, 797421a50f3SJiri Olsa stat_config.aggr_mode); 798556b1fb7SJiri Olsa } 799556b1fb7SJiri Olsa 80086ee6e18SStephane Eranian static void print_aggr(char *prefix) 801d7e7a451SStephane Eranian { 8025821522eSJiri Olsa FILE *output = stat_config.output; 803d7e7a451SStephane Eranian struct perf_evsel *counter; 804601083cfSKan Liang int cpu, s, s2, id, nr; 805410136f5SStephane Eranian double uval; 806d7e7a451SStephane Eranian u64 ena, run, val; 807d7e7a451SStephane Eranian 80886ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 809d7e7a451SStephane Eranian return; 810d7e7a451SStephane Eranian 81186ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 81286ee6e18SStephane Eranian id = aggr_map->map[s]; 8130050f7aaSArnaldo Carvalho de Melo evlist__for_each(evsel_list, counter) { 814d7e7a451SStephane Eranian val = ena = run = 0; 815d7e7a451SStephane Eranian nr = 0; 816d7e7a451SStephane Eranian for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 817601083cfSKan Liang s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); 81886ee6e18SStephane Eranian if (s2 != id) 819d7e7a451SStephane Eranian continue; 820a6fa0038SJiri Olsa val += perf_counts(counter->counts, cpu, 0)->val; 821a6fa0038SJiri Olsa ena += perf_counts(counter->counts, cpu, 0)->ena; 822a6fa0038SJiri Olsa run += perf_counts(counter->counts, cpu, 0)->run; 823d7e7a451SStephane Eranian nr++; 824d7e7a451SStephane Eranian } 825d7e7a451SStephane Eranian if (prefix) 826d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 827d7e7a451SStephane Eranian 828d7e7a451SStephane Eranian if (run == 0 || ena == 0) { 829582ec082SStephane Eranian aggr_printout(counter, id, nr); 83086ee6e18SStephane Eranian 831410136f5SStephane Eranian fprintf(output, "%*s%s", 832d7e7a451SStephane Eranian csv_output ? 0 : 18, 833d7e7a451SStephane Eranian counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 834410136f5SStephane Eranian csv_sep); 835410136f5SStephane Eranian 836410136f5SStephane Eranian fprintf(output, "%-*s%s", 837410136f5SStephane Eranian csv_output ? 0 : unit_width, 838410136f5SStephane Eranian counter->unit, csv_sep); 839410136f5SStephane Eranian 840410136f5SStephane Eranian fprintf(output, "%*s", 841410136f5SStephane Eranian csv_output ? 0 : -25, 842d7e7a451SStephane Eranian perf_evsel__name(counter)); 84386ee6e18SStephane Eranian 844d7e7a451SStephane Eranian if (counter->cgrp) 845d7e7a451SStephane Eranian fprintf(output, "%s%s", 846d7e7a451SStephane Eranian csv_sep, counter->cgrp->name); 847d7e7a451SStephane Eranian 848d73515c0SAndi Kleen print_running(run, ena); 849d7e7a451SStephane Eranian fputc('\n', output); 850d7e7a451SStephane Eranian continue; 851d7e7a451SStephane Eranian } 852410136f5SStephane Eranian uval = val * counter->scale; 853eedfcb4bSAndi Kleen printout(id, nr, counter, uval); 854d73515c0SAndi Kleen if (!csv_output) 855d7e7a451SStephane Eranian print_noise(counter, 1.0); 856d7e7a451SStephane Eranian 857d73515c0SAndi Kleen print_running(run, ena); 858d7e7a451SStephane Eranian fputc('\n', output); 859d7e7a451SStephane Eranian } 860d7e7a451SStephane Eranian } 861d7e7a451SStephane Eranian } 862d7e7a451SStephane Eranian 86332b8af82SJiri Olsa static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 86432b8af82SJiri Olsa { 8655821522eSJiri Olsa FILE *output = stat_config.output; 86632b8af82SJiri Olsa int nthreads = thread_map__nr(counter->threads); 86732b8af82SJiri Olsa int ncpus = cpu_map__nr(counter->cpus); 86832b8af82SJiri Olsa int cpu, thread; 86932b8af82SJiri Olsa double uval; 87032b8af82SJiri Olsa 87132b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 87232b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 87332b8af82SJiri Olsa 87432b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 87532b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 87632b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 87732b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 87832b8af82SJiri Olsa } 87932b8af82SJiri Olsa 88032b8af82SJiri Olsa if (prefix) 88132b8af82SJiri Olsa fprintf(output, "%s", prefix); 88232b8af82SJiri Olsa 88332b8af82SJiri Olsa uval = val * counter->scale; 884eedfcb4bSAndi Kleen printout(thread, 0, counter, uval); 88532b8af82SJiri Olsa 88632b8af82SJiri Olsa if (!csv_output) 88732b8af82SJiri Olsa print_noise(counter, 1.0); 88832b8af82SJiri Olsa 88932b8af82SJiri Olsa print_running(run, ena); 89032b8af82SJiri Olsa fputc('\n', output); 89132b8af82SJiri Olsa } 89232b8af82SJiri Olsa } 89332b8af82SJiri Olsa 89442202dd5SIngo Molnar /* 89542202dd5SIngo Molnar * Print out the results of a single counter: 896f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 89742202dd5SIngo Molnar */ 89813370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 89942202dd5SIngo Molnar { 9005821522eSJiri Olsa FILE *output = stat_config.output; 901581cc8a2SJiri Olsa struct perf_stat_evsel *ps = counter->priv; 90269aad6f1SArnaldo Carvalho de Melo double avg = avg_stats(&ps->res_stats[0]); 903c52b12edSArnaldo Carvalho de Melo int scaled = counter->counts->scaled; 904410136f5SStephane Eranian double uval; 905d73515c0SAndi Kleen double avg_enabled, avg_running; 906d73515c0SAndi Kleen 907d73515c0SAndi Kleen avg_enabled = avg_stats(&ps->res_stats[1]); 908d73515c0SAndi Kleen avg_running = avg_stats(&ps->res_stats[2]); 90942202dd5SIngo Molnar 91013370a9bSStephane Eranian if (prefix) 91113370a9bSStephane Eranian fprintf(output, "%s", prefix); 91213370a9bSStephane Eranian 9133b4331d9SSuzuki K. Poulose if (scaled == -1 || !counter->supported) { 914410136f5SStephane Eranian fprintf(output, "%*s%s", 915d7470b6aSStephane Eranian csv_output ? 0 : 18, 9162cee77c4SDavid Ahern counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 917410136f5SStephane Eranian csv_sep); 918410136f5SStephane Eranian fprintf(output, "%-*s%s", 919410136f5SStephane Eranian csv_output ? 0 : unit_width, 920410136f5SStephane Eranian counter->unit, csv_sep); 921410136f5SStephane Eranian fprintf(output, "%*s", 922410136f5SStephane Eranian csv_output ? 0 : -25, 9237289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 924023695d9SStephane Eranian 925023695d9SStephane Eranian if (counter->cgrp) 9264aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, counter->cgrp->name); 927023695d9SStephane Eranian 928d73515c0SAndi Kleen print_running(avg_running, avg_enabled); 9294aa9015fSStephane Eranian fputc('\n', output); 93042202dd5SIngo Molnar return; 93142202dd5SIngo Molnar } 93242202dd5SIngo Molnar 933410136f5SStephane Eranian uval = avg * counter->scale; 934eedfcb4bSAndi Kleen printout(-1, 0, counter, uval); 935849abde9SPeter Zijlstra 9363ae9a34dSZhengyu He print_noise(counter, avg); 9373ae9a34dSZhengyu He 938d73515c0SAndi Kleen print_running(avg_running, avg_enabled); 9394aa9015fSStephane Eranian fprintf(output, "\n"); 94042202dd5SIngo Molnar } 94142202dd5SIngo Molnar 942f5b4a9c3SStephane Eranian /* 943f5b4a9c3SStephane Eranian * Print out the results of a single counter: 944f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 945f5b4a9c3SStephane Eranian */ 94613370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 947f5b4a9c3SStephane Eranian { 9485821522eSJiri Olsa FILE *output = stat_config.output; 949f5b4a9c3SStephane Eranian u64 ena, run, val; 950410136f5SStephane Eranian double uval; 951f5b4a9c3SStephane Eranian int cpu; 952f5b4a9c3SStephane Eranian 9537ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 954a6fa0038SJiri Olsa val = perf_counts(counter->counts, cpu, 0)->val; 955a6fa0038SJiri Olsa ena = perf_counts(counter->counts, cpu, 0)->ena; 956a6fa0038SJiri Olsa run = perf_counts(counter->counts, cpu, 0)->run; 95713370a9bSStephane Eranian 95813370a9bSStephane Eranian if (prefix) 95913370a9bSStephane Eranian fprintf(output, "%s", prefix); 96013370a9bSStephane Eranian 961f5b4a9c3SStephane Eranian if (run == 0 || ena == 0) { 962410136f5SStephane Eranian fprintf(output, "CPU%*d%s%*s%s", 963d7470b6aSStephane Eranian csv_output ? 0 : -4, 9647ae92e74SYan, Zheng perf_evsel__cpus(counter)->map[cpu], csv_sep, 965d7470b6aSStephane Eranian csv_output ? 0 : 18, 9662cee77c4SDavid Ahern counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 967410136f5SStephane Eranian csv_sep); 968410136f5SStephane Eranian 969410136f5SStephane Eranian fprintf(output, "%-*s%s", 970410136f5SStephane Eranian csv_output ? 0 : unit_width, 971410136f5SStephane Eranian counter->unit, csv_sep); 972410136f5SStephane Eranian 973410136f5SStephane Eranian fprintf(output, "%*s", 974410136f5SStephane Eranian csv_output ? 0 : -25, 9757289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 976f5b4a9c3SStephane Eranian 977023695d9SStephane Eranian if (counter->cgrp) 9784aa9015fSStephane Eranian fprintf(output, "%s%s", 9794aa9015fSStephane Eranian csv_sep, counter->cgrp->name); 980023695d9SStephane Eranian 981d73515c0SAndi Kleen print_running(run, ena); 9824aa9015fSStephane Eranian fputc('\n', output); 983f5b4a9c3SStephane Eranian continue; 984f5b4a9c3SStephane Eranian } 985f5b4a9c3SStephane Eranian 986410136f5SStephane Eranian uval = val * counter->scale; 987eedfcb4bSAndi Kleen printout(cpu, 0, counter, uval); 988d73515c0SAndi Kleen if (!csv_output) 989f5b4a9c3SStephane Eranian print_noise(counter, 1.0); 990d73515c0SAndi Kleen print_running(run, ena); 991f5b4a9c3SStephane Eranian 9924aa9015fSStephane Eranian fputc('\n', output); 993f5b4a9c3SStephane Eranian } 994f5b4a9c3SStephane Eranian } 995f5b4a9c3SStephane Eranian 996d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 99742202dd5SIngo Molnar { 9985821522eSJiri Olsa FILE *output = stat_config.output; 999d4f63a47SJiri Olsa static int num_print_interval; 1000d4f63a47SJiri Olsa 1001d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 1002d4f63a47SJiri Olsa 1003d4f63a47SJiri Olsa if (num_print_interval == 0 && !csv_output) { 1004421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1005d4f63a47SJiri Olsa case AGGR_SOCKET: 1006d4f63a47SJiri Olsa fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); 1007d4f63a47SJiri Olsa break; 1008d4f63a47SJiri Olsa case AGGR_CORE: 1009d4f63a47SJiri Olsa fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); 1010d4f63a47SJiri Olsa break; 1011d4f63a47SJiri Olsa case AGGR_NONE: 1012d4f63a47SJiri Olsa fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); 1013d4f63a47SJiri Olsa break; 101432b8af82SJiri Olsa case AGGR_THREAD: 101532b8af82SJiri Olsa fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); 101632b8af82SJiri Olsa break; 1017d4f63a47SJiri Olsa case AGGR_GLOBAL: 1018d4f63a47SJiri Olsa default: 1019d4f63a47SJiri Olsa fprintf(output, "# time counts %*s events\n", unit_width, "unit"); 1020208df99eSJiri Olsa case AGGR_UNSET: 1021208df99eSJiri Olsa break; 1022d4f63a47SJiri Olsa } 1023d4f63a47SJiri Olsa } 1024d4f63a47SJiri Olsa 1025d4f63a47SJiri Olsa if (++num_print_interval == 25) 1026d4f63a47SJiri Olsa num_print_interval = 0; 1027d4f63a47SJiri Olsa } 1028d4f63a47SJiri Olsa 1029d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 1030d4f63a47SJiri Olsa { 10315821522eSJiri Olsa FILE *output = stat_config.output; 103269aad6f1SArnaldo Carvalho de Melo int i; 103342202dd5SIngo Molnar 103486470930SIngo Molnar fflush(stdout); 103586470930SIngo Molnar 1036d7470b6aSStephane Eranian if (!csv_output) { 10374aa9015fSStephane Eranian fprintf(output, "\n"); 10384aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 103962d3b617SDavid Ahern if (target.system_wide) 104062d3b617SDavid Ahern fprintf(output, "\'system wide"); 104162d3b617SDavid Ahern else if (target.cpu_list) 104262d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 1043602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 10444aa9015fSStephane Eranian fprintf(output, "\'%s", argv[0]); 104586470930SIngo Molnar for (i = 1; i < argc; i++) 10464aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 104720f946b4SNamhyung Kim } else if (target.pid) 104820f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 1049d6d901c2SZhang, Yanmin else 105020f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 105186470930SIngo Molnar 10524aa9015fSStephane Eranian fprintf(output, "\'"); 105342202dd5SIngo Molnar if (run_count > 1) 10544aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 10554aa9015fSStephane Eranian fprintf(output, ":\n\n"); 1056d7470b6aSStephane Eranian } 1057f5b4a9c3SStephane Eranian } 105886470930SIngo Molnar 1059d4f63a47SJiri Olsa static void print_footer(void) 1060d4f63a47SJiri Olsa { 10615821522eSJiri Olsa FILE *output = stat_config.output; 10625821522eSJiri Olsa 1063c3305257SIngo Molnar if (!null_run) 10644aa9015fSStephane Eranian fprintf(output, "\n"); 10654aa9015fSStephane Eranian fprintf(output, " %17.9f seconds time elapsed", 1066506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)/1e9); 1067566747e6SIngo Molnar if (run_count > 1) { 10684aa9015fSStephane Eranian fprintf(output, " "); 1069f99844cbSIngo Molnar print_noise_pct(stddev_stats(&walltime_nsecs_stats), 1070506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)); 1071566747e6SIngo Molnar } 10724aa9015fSStephane Eranian fprintf(output, "\n\n"); 107386470930SIngo Molnar } 1074d4f63a47SJiri Olsa 1075d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1076d4f63a47SJiri Olsa { 1077ec0d3d1fSJiri Olsa int interval = stat_config.interval; 1078d4f63a47SJiri Olsa struct perf_evsel *counter; 1079d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 1080d4f63a47SJiri Olsa 1081664c98d4SJiri Olsa /* Do not print anything if we record to the pipe. */ 1082664c98d4SJiri Olsa if (STAT_RECORD && perf_stat.file.is_pipe) 1083664c98d4SJiri Olsa return; 1084664c98d4SJiri Olsa 1085d4f63a47SJiri Olsa if (interval) 1086d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 1087d4f63a47SJiri Olsa else 1088d4f63a47SJiri Olsa print_header(argc, argv); 1089d4f63a47SJiri Olsa 1090421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1091d4f63a47SJiri Olsa case AGGR_CORE: 1092d4f63a47SJiri Olsa case AGGR_SOCKET: 1093d4f63a47SJiri Olsa print_aggr(prefix); 1094d4f63a47SJiri Olsa break; 109532b8af82SJiri Olsa case AGGR_THREAD: 109632b8af82SJiri Olsa evlist__for_each(evsel_list, counter) 109732b8af82SJiri Olsa print_aggr_thread(counter, prefix); 109832b8af82SJiri Olsa break; 1099d4f63a47SJiri Olsa case AGGR_GLOBAL: 1100d4f63a47SJiri Olsa evlist__for_each(evsel_list, counter) 1101d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 1102d4f63a47SJiri Olsa break; 1103d4f63a47SJiri Olsa case AGGR_NONE: 1104d4f63a47SJiri Olsa evlist__for_each(evsel_list, counter) 1105d4f63a47SJiri Olsa print_counter(counter, prefix); 1106d4f63a47SJiri Olsa break; 1107208df99eSJiri Olsa case AGGR_UNSET: 1108d4f63a47SJiri Olsa default: 1109d4f63a47SJiri Olsa break; 1110d4f63a47SJiri Olsa } 1111d4f63a47SJiri Olsa 1112d4f63a47SJiri Olsa if (!interval && !csv_output) 1113d4f63a47SJiri Olsa print_footer(); 1114d4f63a47SJiri Olsa 11155821522eSJiri Olsa fflush(stat_config.output); 1116d7470b6aSStephane Eranian } 111786470930SIngo Molnar 1118f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1119f7b7c26eSPeter Zijlstra 112086470930SIngo Molnar static void skip_signal(int signo) 112186470930SIngo Molnar { 1122ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 112360666c63SLiming Wang done = 1; 112460666c63SLiming Wang 1125f7b7c26eSPeter Zijlstra signr = signo; 1126d07f0b12SStephane Eranian /* 1127d07f0b12SStephane Eranian * render child_pid harmless 1128d07f0b12SStephane Eranian * won't send SIGTERM to a random 1129d07f0b12SStephane Eranian * process in case of race condition 1130d07f0b12SStephane Eranian * and fast PID recycling 1131d07f0b12SStephane Eranian */ 1132d07f0b12SStephane Eranian child_pid = -1; 1133f7b7c26eSPeter Zijlstra } 1134f7b7c26eSPeter Zijlstra 1135f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1136f7b7c26eSPeter Zijlstra { 1137d07f0b12SStephane Eranian sigset_t set, oset; 1138d07f0b12SStephane Eranian 1139d07f0b12SStephane Eranian /* 1140d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1141d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1142d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1143d07f0b12SStephane Eranian * process 1144d07f0b12SStephane Eranian */ 1145d07f0b12SStephane Eranian sigemptyset(&set); 1146d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1147d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1148d07f0b12SStephane Eranian 1149933da83aSChris Wilson if (child_pid != -1) 1150933da83aSChris Wilson kill(child_pid, SIGTERM); 1151933da83aSChris Wilson 1152d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1153d07f0b12SStephane Eranian 1154f7b7c26eSPeter Zijlstra if (signr == -1) 1155f7b7c26eSPeter Zijlstra return; 1156f7b7c26eSPeter Zijlstra 1157f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1158f7b7c26eSPeter Zijlstra kill(getpid(), signr); 115986470930SIngo Molnar } 116086470930SIngo Molnar 11611d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 11621d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1163d7470b6aSStephane Eranian { 1164d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1165d7470b6aSStephane Eranian return 0; 1166d7470b6aSStephane Eranian } 1167d7470b6aSStephane Eranian 1168e0547311SJiri Olsa static const struct option stat_options[] = { 1169e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 1170e0547311SJiri Olsa "hardware transaction statistics"), 1171e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 1172e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 1173e0547311SJiri Olsa parse_events_option), 1174e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 1175e0547311SJiri Olsa "event filter", parse_filter), 1176e0547311SJiri Olsa OPT_BOOLEAN('i', "no-inherit", &no_inherit, 1177e0547311SJiri Olsa "child tasks do not inherit counters"), 1178e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 1179e0547311SJiri Olsa "stat events on existing process id"), 1180e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 1181e0547311SJiri Olsa "stat events on existing thread id"), 1182e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 1183e0547311SJiri Olsa "system-wide collection from all CPUs"), 1184e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 1185e0547311SJiri Olsa "put the counters into a counter group"), 1186e0547311SJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 1187e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 1188e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 1189e0547311SJiri Olsa OPT_INTEGER('r', "repeat", &run_count, 1190e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 1191e0547311SJiri Olsa OPT_BOOLEAN('n', "null", &null_run, 1192e0547311SJiri Olsa "null run - dont start any counters"), 1193e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 1194e0547311SJiri Olsa "detailed run - start a lot of events"), 1195e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 1196e0547311SJiri Olsa "call sync() before starting a run"), 1197e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 1198e0547311SJiri Olsa "print large numbers with thousands\' separators", 1199e0547311SJiri Olsa stat__set_big_num), 1200e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 1201e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 1202e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 1203e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1204e0547311SJiri Olsa OPT_STRING('x', "field-separator", &csv_sep, "separator", 1205e0547311SJiri Olsa "print counts with custom separator"), 1206e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 1207e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 1208e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 1209e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 1210e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 1211e0547311SJiri Olsa "log output to fd, instead of stderr"), 1212e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 1213e0547311SJiri Olsa "command to run prior to the measured command"), 1214e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 1215e0547311SJiri Olsa "command to run after to the measured command"), 1216e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 1217e0547311SJiri Olsa "print counts at regular interval in ms (>= 10)"), 1218e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 1219e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1220e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 1221e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 1222e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 1223e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 1224e0547311SJiri Olsa OPT_UINTEGER('D', "delay", &initial_delay, 1225e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 1226e0547311SJiri Olsa OPT_END() 1227e0547311SJiri Olsa }; 1228e0547311SJiri Olsa 12291fe7a300SJiri Olsa static int perf_stat__get_socket(struct cpu_map *map, int cpu) 12301fe7a300SJiri Olsa { 12311fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 12321fe7a300SJiri Olsa } 12331fe7a300SJiri Olsa 12341fe7a300SJiri Olsa static int perf_stat__get_core(struct cpu_map *map, int cpu) 12351fe7a300SJiri Olsa { 12361fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 12371fe7a300SJiri Olsa } 12381fe7a300SJiri Olsa 12391e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 12401e5a2931SJiri Olsa { 12411e5a2931SJiri Olsa int i, max = -1; 12421e5a2931SJiri Olsa 12431e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 12441e5a2931SJiri Olsa if (map->map[i] > max) 12451e5a2931SJiri Olsa max = map->map[i]; 12461e5a2931SJiri Olsa } 12471e5a2931SJiri Olsa 12481e5a2931SJiri Olsa return max; 12491e5a2931SJiri Olsa } 12501e5a2931SJiri Olsa 12511e5a2931SJiri Olsa static struct cpu_map *cpus_aggr_map; 12521e5a2931SJiri Olsa 12531e5a2931SJiri Olsa static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) 12541e5a2931SJiri Olsa { 12551e5a2931SJiri Olsa int cpu; 12561e5a2931SJiri Olsa 12571e5a2931SJiri Olsa if (idx >= map->nr) 12581e5a2931SJiri Olsa return -1; 12591e5a2931SJiri Olsa 12601e5a2931SJiri Olsa cpu = map->map[idx]; 12611e5a2931SJiri Olsa 12621e5a2931SJiri Olsa if (cpus_aggr_map->map[cpu] == -1) 12631e5a2931SJiri Olsa cpus_aggr_map->map[cpu] = get_id(map, idx); 12641e5a2931SJiri Olsa 12651e5a2931SJiri Olsa return cpus_aggr_map->map[cpu]; 12661e5a2931SJiri Olsa } 12671e5a2931SJiri Olsa 12681e5a2931SJiri Olsa static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) 12691e5a2931SJiri Olsa { 12701e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_socket, map, idx); 12711e5a2931SJiri Olsa } 12721e5a2931SJiri Olsa 12731e5a2931SJiri Olsa static int perf_stat__get_core_cached(struct cpu_map *map, int idx) 12741e5a2931SJiri Olsa { 12751e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_core, map, idx); 12761e5a2931SJiri Olsa } 12771e5a2931SJiri Olsa 127886ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 127986ee6e18SStephane Eranian { 12801e5a2931SJiri Olsa int nr; 12811e5a2931SJiri Olsa 1282421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 128386ee6e18SStephane Eranian case AGGR_SOCKET: 128486ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 128586ee6e18SStephane Eranian perror("cannot build socket map"); 128686ee6e18SStephane Eranian return -1; 128786ee6e18SStephane Eranian } 12881e5a2931SJiri Olsa aggr_get_id = perf_stat__get_socket_cached; 128986ee6e18SStephane Eranian break; 129012c08a9fSStephane Eranian case AGGR_CORE: 129112c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 129212c08a9fSStephane Eranian perror("cannot build core map"); 129312c08a9fSStephane Eranian return -1; 129412c08a9fSStephane Eranian } 12951e5a2931SJiri Olsa aggr_get_id = perf_stat__get_core_cached; 129612c08a9fSStephane Eranian break; 129786ee6e18SStephane Eranian case AGGR_NONE: 129886ee6e18SStephane Eranian case AGGR_GLOBAL: 129932b8af82SJiri Olsa case AGGR_THREAD: 1300208df99eSJiri Olsa case AGGR_UNSET: 130186ee6e18SStephane Eranian default: 130286ee6e18SStephane Eranian break; 130386ee6e18SStephane Eranian } 13041e5a2931SJiri Olsa 13051e5a2931SJiri Olsa /* 13061e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 13071e5a2931SJiri Olsa * taking the highest cpu number to be the size of 13081e5a2931SJiri Olsa * the aggregation translate cpumap. 13091e5a2931SJiri Olsa */ 13101e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 13111e5a2931SJiri Olsa cpus_aggr_map = cpu_map__empty_new(nr + 1); 13121e5a2931SJiri Olsa return cpus_aggr_map ? 0 : -ENOMEM; 131386ee6e18SStephane Eranian } 131486ee6e18SStephane Eranian 1315544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1316544c2ae7SMasami Hiramatsu { 1317544c2ae7SMasami Hiramatsu cpu_map__put(aggr_map); 1318544c2ae7SMasami Hiramatsu cpu_map__put(cpus_aggr_map); 1319544c2ae7SMasami Hiramatsu aggr_map = NULL; 1320544c2ae7SMasami Hiramatsu cpus_aggr_map = NULL; 1321544c2ae7SMasami Hiramatsu } 1322544c2ae7SMasami Hiramatsu 13232cba3ffbSIngo Molnar /* 13242cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 13252cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 13262cba3ffbSIngo Molnar */ 13272cba3ffbSIngo Molnar static int add_default_attributes(void) 13282cba3ffbSIngo Molnar { 1329b070a547SArnaldo Carvalho de Melo struct perf_event_attr default_attrs[] = { 1330b070a547SArnaldo Carvalho de Melo 1331b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1332b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1333b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1334b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1335b070a547SArnaldo Carvalho de Melo 1336b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 1337b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 1338b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 1339b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1340b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1341b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1342b070a547SArnaldo Carvalho de Melo 1343b070a547SArnaldo Carvalho de Melo }; 1344b070a547SArnaldo Carvalho de Melo 1345b070a547SArnaldo Carvalho de Melo /* 1346b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1347b070a547SArnaldo Carvalho de Melo */ 1348b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1349b070a547SArnaldo Carvalho de Melo 1350b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1351b070a547SArnaldo Carvalho de Melo .config = 1352b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1353b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1354b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1355b070a547SArnaldo Carvalho de Melo 1356b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1357b070a547SArnaldo Carvalho de Melo .config = 1358b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1359b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1360b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1361b070a547SArnaldo Carvalho de Melo 1362b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1363b070a547SArnaldo Carvalho de Melo .config = 1364b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1365b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1366b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1367b070a547SArnaldo Carvalho de Melo 1368b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1369b070a547SArnaldo Carvalho de Melo .config = 1370b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1371b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1372b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1373b070a547SArnaldo Carvalho de Melo }; 1374b070a547SArnaldo Carvalho de Melo 1375b070a547SArnaldo Carvalho de Melo /* 1376b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1377b070a547SArnaldo Carvalho de Melo */ 1378b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1379b070a547SArnaldo Carvalho de Melo 1380b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1381b070a547SArnaldo Carvalho de Melo .config = 1382b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1383b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1384b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1385b070a547SArnaldo Carvalho de Melo 1386b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1387b070a547SArnaldo Carvalho de Melo .config = 1388b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1389b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1390b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1391b070a547SArnaldo Carvalho de Melo 1392b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1393b070a547SArnaldo Carvalho de Melo .config = 1394b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1395b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1396b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1397b070a547SArnaldo Carvalho de Melo 1398b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1399b070a547SArnaldo Carvalho de Melo .config = 1400b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1401b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1402b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1403b070a547SArnaldo Carvalho de Melo 1404b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1405b070a547SArnaldo Carvalho de Melo .config = 1406b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1407b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1408b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1409b070a547SArnaldo Carvalho de Melo 1410b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1411b070a547SArnaldo Carvalho de Melo .config = 1412b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1413b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1414b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1415b070a547SArnaldo Carvalho de Melo 1416b070a547SArnaldo Carvalho de Melo }; 1417b070a547SArnaldo Carvalho de Melo 1418b070a547SArnaldo Carvalho de Melo /* 1419b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1420b070a547SArnaldo Carvalho de Melo */ 1421b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1422b070a547SArnaldo Carvalho de Melo 1423b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1424b070a547SArnaldo Carvalho de Melo .config = 1425b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1426b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1427b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1428b070a547SArnaldo Carvalho de Melo 1429b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1430b070a547SArnaldo Carvalho de Melo .config = 1431b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1432b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1433b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1434b070a547SArnaldo Carvalho de Melo }; 1435b070a547SArnaldo Carvalho de Melo 14362cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 14372cba3ffbSIngo Molnar if (null_run) 14382cba3ffbSIngo Molnar return 0; 14392cba3ffbSIngo Molnar 14404cabc3d1SAndi Kleen if (transaction_run) { 14414cabc3d1SAndi Kleen int err; 14424cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 14434cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1444a454742cSJiri Olsa err = parse_events(evsel_list, transaction_attrs, NULL); 14454cabc3d1SAndi Kleen else 1446a454742cSJiri Olsa err = parse_events(evsel_list, transaction_limited_attrs, NULL); 1447a454742cSJiri Olsa if (err) { 14484cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 14494cabc3d1SAndi Kleen return -1; 14504cabc3d1SAndi Kleen } 14514cabc3d1SAndi Kleen return 0; 14524cabc3d1SAndi Kleen } 14534cabc3d1SAndi Kleen 14542cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 145579695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) 14562cba3ffbSIngo Molnar return -1; 14572cba3ffbSIngo Molnar } 14582cba3ffbSIngo Molnar 14592cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 14602cba3ffbSIngo Molnar 14612cba3ffbSIngo Molnar if (detailed_run < 1) 14622cba3ffbSIngo Molnar return 0; 14632cba3ffbSIngo Molnar 14642cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 146579695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 14662cba3ffbSIngo Molnar return -1; 14672cba3ffbSIngo Molnar 14682cba3ffbSIngo Molnar if (detailed_run < 2) 14692cba3ffbSIngo Molnar return 0; 14702cba3ffbSIngo Molnar 14712cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 147279695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 14732cba3ffbSIngo Molnar return -1; 14742cba3ffbSIngo Molnar 14752cba3ffbSIngo Molnar if (detailed_run < 3) 14762cba3ffbSIngo Molnar return 0; 14772cba3ffbSIngo Molnar 14782cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 147979695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 14802cba3ffbSIngo Molnar } 14812cba3ffbSIngo Molnar 14824979d0c7SJiri Olsa static const char * const recort_usage[] = { 14834979d0c7SJiri Olsa "perf stat record [<options>]", 14844979d0c7SJiri Olsa NULL, 14854979d0c7SJiri Olsa }; 14864979d0c7SJiri Olsa 14873ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 14883ba78bd0SJiri Olsa { 14893ba78bd0SJiri Olsa int feat; 14903ba78bd0SJiri Olsa 14913ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 14923ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 14933ba78bd0SJiri Olsa 14943ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 14953ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 14963ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 14973ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 14983ba78bd0SJiri Olsa } 14993ba78bd0SJiri Olsa 15004979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 15014979d0c7SJiri Olsa { 15024979d0c7SJiri Olsa struct perf_session *session; 15034979d0c7SJiri Olsa struct perf_data_file *file = &perf_stat.file; 15044979d0c7SJiri Olsa 15054979d0c7SJiri Olsa argc = parse_options(argc, argv, stat_options, record_usage, 15064979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 15074979d0c7SJiri Olsa 15084979d0c7SJiri Olsa if (output_name) 15094979d0c7SJiri Olsa file->path = output_name; 15104979d0c7SJiri Olsa 1511e9d6db8eSJiri Olsa if (run_count != 1 || forever) { 1512e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1513e9d6db8eSJiri Olsa return -1; 1514e9d6db8eSJiri Olsa } 1515e9d6db8eSJiri Olsa 15164979d0c7SJiri Olsa session = perf_session__new(file, false, NULL); 15174979d0c7SJiri Olsa if (session == NULL) { 15184979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 15194979d0c7SJiri Olsa return -1; 15204979d0c7SJiri Olsa } 15214979d0c7SJiri Olsa 15223ba78bd0SJiri Olsa init_features(session); 15233ba78bd0SJiri Olsa 15244979d0c7SJiri Olsa session->evlist = evsel_list; 15254979d0c7SJiri Olsa perf_stat.session = session; 15264979d0c7SJiri Olsa perf_stat.record = true; 15274979d0c7SJiri Olsa return argc; 15284979d0c7SJiri Olsa } 15294979d0c7SJiri Olsa 15301d037ca1SIrina Tirdea int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) 153186470930SIngo Molnar { 1532b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1533b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1534b070a547SArnaldo Carvalho de Melo NULL 1535b070a547SArnaldo Carvalho de Melo }; 1536cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 15374aa9015fSStephane Eranian const char *mode; 15385821522eSJiri Olsa FILE *output = stderr; 1539ec0d3d1fSJiri Olsa unsigned int interval; 15404979d0c7SJiri Olsa const char * const stat_subcommands[] = { "record" }; 154142202dd5SIngo Molnar 15425af52b51SStephane Eranian setlocale(LC_ALL, ""); 15435af52b51SStephane Eranian 1544334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 1545361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1546361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1547361c99a6SArnaldo Carvalho de Melo 15484979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 15494979d0c7SJiri Olsa (const char **) stat_usage, 1550a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 1551d7470b6aSStephane Eranian 15524979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 15534979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 15544979d0c7SJiri Olsa if (argc < 0) 15554979d0c7SJiri Olsa return -1; 15564979d0c7SJiri Olsa } 15574979d0c7SJiri Olsa 1558ec0d3d1fSJiri Olsa interval = stat_config.interval; 1559ec0d3d1fSJiri Olsa 15604979d0c7SJiri Olsa /* 15614979d0c7SJiri Olsa * For record command the -o is already taken care of. 15624979d0c7SJiri Olsa */ 15634979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 15644aa9015fSStephane Eranian output = NULL; 15654aa9015fSStephane Eranian 156656f3bae7SJim Cromie if (output_name && output_fd) { 156756f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1568e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 1569e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 1570cc03c542SNamhyung Kim goto out; 157156f3bae7SJim Cromie } 1572fc3e4d07SStephane Eranian 1573fc3e4d07SStephane Eranian if (output_fd < 0) { 1574fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 1575e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 1576cc03c542SNamhyung Kim goto out; 1577fc3e4d07SStephane Eranian } 1578fc3e4d07SStephane Eranian 15794aa9015fSStephane Eranian if (!output) { 15804aa9015fSStephane Eranian struct timespec tm; 15814aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 15824aa9015fSStephane Eranian 15834aa9015fSStephane Eranian output = fopen(output_name, mode); 15844aa9015fSStephane Eranian if (!output) { 15854aa9015fSStephane Eranian perror("failed to create output file"); 1586fceda7feSDavid Ahern return -1; 15874aa9015fSStephane Eranian } 15884aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 15894aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 1590fc3e4d07SStephane Eranian } else if (output_fd > 0) { 159156f3bae7SJim Cromie mode = append_file ? "a" : "w"; 159256f3bae7SJim Cromie output = fdopen(output_fd, mode); 159356f3bae7SJim Cromie if (!output) { 159456f3bae7SJim Cromie perror("Failed opening logfd"); 159556f3bae7SJim Cromie return -errno; 159656f3bae7SJim Cromie } 15974aa9015fSStephane Eranian } 15984aa9015fSStephane Eranian 15995821522eSJiri Olsa stat_config.output = output; 16005821522eSJiri Olsa 1601d4ffd04dSJim Cromie if (csv_sep) { 1602d7470b6aSStephane Eranian csv_output = true; 1603d4ffd04dSJim Cromie if (!strcmp(csv_sep, "\\t")) 1604d4ffd04dSJim Cromie csv_sep = "\t"; 1605d4ffd04dSJim Cromie } else 1606d7470b6aSStephane Eranian csv_sep = DEFAULT_SEPARATOR; 1607d7470b6aSStephane Eranian 1608d7470b6aSStephane Eranian /* 1609d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 1610d7470b6aSStephane Eranian */ 1611d7470b6aSStephane Eranian if (csv_output) { 161261a9f324SJim Cromie /* User explicitly passed -B? */ 1613d7470b6aSStephane Eranian if (big_num_opt == 1) { 1614d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 1615e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 1616e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 1617cc03c542SNamhyung Kim goto out; 1618d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 1619d7470b6aSStephane Eranian big_num = false; 1620d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 1621d7470b6aSStephane Eranian big_num = false; 1622d7470b6aSStephane Eranian 1623602ad878SArnaldo Carvalho de Melo if (!argc && target__none(&target)) 1624e0547311SJiri Olsa usage_with_options(stat_usage, stat_options); 1625ac3063bdSDavid Ahern 1626a7e191c3SFrederik Deweerdt if (run_count < 0) { 1627cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 1628e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 1629cc03c542SNamhyung Kim goto out; 1630a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 1631a7e191c3SFrederik Deweerdt forever = true; 1632a7e191c3SFrederik Deweerdt run_count = 1; 1633a7e191c3SFrederik Deweerdt } 163486470930SIngo Molnar 1635421a50f3SJiri Olsa if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { 163632b8af82SJiri Olsa fprintf(stderr, "The --per-thread option is only available " 163732b8af82SJiri Olsa "when monitoring via -p -t options.\n"); 1638e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 1639e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 164032b8af82SJiri Olsa goto out; 164132b8af82SJiri Olsa } 164232b8af82SJiri Olsa 164332b8af82SJiri Olsa /* 164432b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 164532b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 164632b8af82SJiri Olsa */ 1647421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 1648421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 1649602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 1650023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 1651023695d9SStephane Eranian "modes only available in system-wide mode\n"); 1652023695d9SStephane Eranian 1653e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 1654e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 1655e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1656cc03c542SNamhyung Kim goto out; 1657d7e7a451SStephane Eranian } 1658d7e7a451SStephane Eranian 16592cba3ffbSIngo Molnar if (add_default_attributes()) 1660c6264defSIngo Molnar goto out; 166186470930SIngo Molnar 1662602ad878SArnaldo Carvalho de Melo target__validate(&target); 16635c98d466SArnaldo Carvalho de Melo 166477a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 1665602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 16665c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 1667e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 1668e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 1669602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 167060d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 1671e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 1672e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 1673cc03c542SNamhyung Kim } 1674cc03c542SNamhyung Kim goto out; 167560d567e2SArnaldo Carvalho de Melo } 167632b8af82SJiri Olsa 167732b8af82SJiri Olsa /* 167832b8af82SJiri Olsa * Initialize thread_map with comm names, 167932b8af82SJiri Olsa * so we could print it out on output. 168032b8af82SJiri Olsa */ 1681421a50f3SJiri Olsa if (stat_config.aggr_mode == AGGR_THREAD) 168232b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 168332b8af82SJiri Olsa 168413370a9bSStephane Eranian if (interval && interval < 100) { 168519afd104SKan Liang if (interval < 10) { 168619afd104SKan Liang pr_err("print interval must be >= 10ms\n"); 1687e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "I", 1); 168803ad9747SArnaldo Carvalho de Melo goto out; 168919afd104SKan Liang } else 169019afd104SKan Liang pr_warning("print interval < 100ms. " 169119afd104SKan Liang "The overhead percentage could be high in some cases. " 169219afd104SKan Liang "Please proceed with caution.\n"); 169313370a9bSStephane Eranian } 1694c45c6ea2SStephane Eranian 1695d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 169603ad9747SArnaldo Carvalho de Melo goto out; 1697d6d901c2SZhang, Yanmin 169886ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 169903ad9747SArnaldo Carvalho de Melo goto out; 170086ee6e18SStephane Eranian 170186470930SIngo Molnar /* 170286470930SIngo Molnar * We dont want to block the signals - that would cause 170386470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 170486470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 170586470930SIngo Molnar * task, but being ignored by perf stat itself: 170686470930SIngo Molnar */ 1707f7b7c26eSPeter Zijlstra atexit(sig_atexit); 1708a7e191c3SFrederik Deweerdt if (!forever) 170986470930SIngo Molnar signal(SIGINT, skip_signal); 171013370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 171186470930SIngo Molnar signal(SIGALRM, skip_signal); 171286470930SIngo Molnar signal(SIGABRT, skip_signal); 171386470930SIngo Molnar 171442202dd5SIngo Molnar status = 0; 1715a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 171642202dd5SIngo Molnar if (run_count != 1 && verbose) 17174aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 17184aa9015fSStephane Eranian run_idx + 1); 1719f9cef0a9SIngo Molnar 172042202dd5SIngo Molnar status = run_perf_stat(argc, argv); 1721a7e191c3SFrederik Deweerdt if (forever && status != -1) { 1722d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1723254ecbc7SJiri Olsa perf_stat__reset_stats(); 1724a7e191c3SFrederik Deweerdt } 172542202dd5SIngo Molnar } 172642202dd5SIngo Molnar 1727a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 1728d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1729d134ffb9SArnaldo Carvalho de Melo 17304979d0c7SJiri Olsa if (STAT_RECORD) { 17314979d0c7SJiri Olsa /* 17324979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 17334979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 17344979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 17354979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 17364979d0c7SJiri Olsa * 17374979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 17388b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 17398b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 17408b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 17418b99b1a4SJiri Olsa * tools remain -acme 17424979d0c7SJiri Olsa */ 17434979d0c7SJiri Olsa int fd = perf_data_file__fd(&perf_stat.file); 17444979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 17454979d0c7SJiri Olsa process_synthesized_event, 17464979d0c7SJiri Olsa &perf_stat.session->machines.host); 17474979d0c7SJiri Olsa if (err) { 17484979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 17494979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 17504979d0c7SJiri Olsa } 17514979d0c7SJiri Olsa 17527aad0c32SJiri Olsa if (!interval) { 17537aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 17547aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 17557aad0c32SJiri Olsa } 17567aad0c32SJiri Olsa 1757664c98d4SJiri Olsa if (!perf_stat.file.is_pipe) { 17584979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 17594979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 1760664c98d4SJiri Olsa } 17614979d0c7SJiri Olsa 17624979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 17634979d0c7SJiri Olsa } 17644979d0c7SJiri Olsa 1765544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 1766d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 17670015e2e1SArnaldo Carvalho de Melo out: 17680015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 176942202dd5SIngo Molnar return status; 177086470930SIngo Molnar } 1771