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" 4886470930SIngo Molnar #include "util/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" 6186470930SIngo Molnar 621f16c575SPeter Zijlstra #include <stdlib.h> 6386470930SIngo Molnar #include <sys/prctl.h> 645af52b51SStephane Eranian #include <locale.h> 6586470930SIngo Molnar 66d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 672cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 682cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 69d7470b6aSStephane Eranian 70d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 7113370a9bSStephane Eranian 724cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 73a454742cSJiri Olsa static const char *transaction_attrs = { 74a454742cSJiri Olsa "task-clock," 754cabc3d1SAndi Kleen "{" 764cabc3d1SAndi Kleen "instructions," 774cabc3d1SAndi Kleen "cycles," 784cabc3d1SAndi Kleen "cpu/cycles-t/," 794cabc3d1SAndi Kleen "cpu/tx-start/," 804cabc3d1SAndi Kleen "cpu/el-start/," 814cabc3d1SAndi Kleen "cpu/cycles-ct/" 824cabc3d1SAndi Kleen "}" 834cabc3d1SAndi Kleen }; 844cabc3d1SAndi Kleen 854cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 86a454742cSJiri Olsa static const char * transaction_limited_attrs = { 87a454742cSJiri Olsa "task-clock," 884cabc3d1SAndi Kleen "{" 894cabc3d1SAndi Kleen "instructions," 904cabc3d1SAndi Kleen "cycles," 914cabc3d1SAndi Kleen "cpu/cycles-t/," 924cabc3d1SAndi Kleen "cpu/tx-start/" 934cabc3d1SAndi Kleen "}" 944cabc3d1SAndi Kleen }; 954cabc3d1SAndi Kleen 96666e6d48SRobert Richter static struct perf_evlist *evsel_list; 97361c99a6SArnaldo Carvalho de Melo 98602ad878SArnaldo Carvalho de Melo static struct target target = { 9977a6f014SNamhyung Kim .uid = UINT_MAX, 10077a6f014SNamhyung Kim }; 10142202dd5SIngo Molnar 1023d632595SJaswinder Singh Rajput static int run_count = 1; 1032e6cdf99SStephane Eranian static bool no_inherit = false; 104d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 105c0555642SIan Munsie static bool null_run = false; 1062cba3ffbSIngo Molnar static int detailed_run = 0; 1074cabc3d1SAndi Kleen static bool transaction_run; 108201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 109d7470b6aSStephane Eranian static int big_num_opt = -1; 110d7470b6aSStephane Eranian static const char *csv_sep = NULL; 111d7470b6aSStephane Eranian static bool csv_output = false; 11243bece79SLin Ming static bool group = false; 1131f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1141f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1151f16c575SPeter Zijlstra static bool sync_run = false; 11641191688SAndi Kleen static unsigned int initial_delay = 0; 117410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 118a7e191c3SFrederik Deweerdt static bool forever = false; 11913370a9bSStephane Eranian static struct timespec ref_time; 12086ee6e18SStephane Eranian static struct cpu_map *aggr_map; 12186ee6e18SStephane Eranian static int (*aggr_get_id)(struct cpu_map *m, int cpu); 1225af52b51SStephane Eranian 12360666c63SLiming Wang static volatile int done = 0; 12460666c63SLiming Wang 125421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 126421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 127711a572eSJiri Olsa .scale = true, 128421a50f3SJiri Olsa }; 129421a50f3SJiri Olsa 13013370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 13113370a9bSStephane Eranian struct timespec *b) 13213370a9bSStephane Eranian { 13313370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 13413370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 13513370a9bSStephane Eranian r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; 13613370a9bSStephane Eranian r->tv_sec--; 13713370a9bSStephane Eranian } else { 13813370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 13913370a9bSStephane Eranian } 14013370a9bSStephane Eranian } 14113370a9bSStephane Eranian 142254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 143254ecbc7SJiri Olsa { 144254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 145f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 1461eda3b21SJiri Olsa } 1471eda3b21SJiri Olsa 148cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 14986470930SIngo Molnar { 15069aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 151727ab04eSArnaldo Carvalho de Melo 152711a572eSJiri Olsa if (stat_config.scale) 15386470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 15486470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 15586470930SIngo Molnar 1562e6cdf99SStephane Eranian attr->inherit = !no_inherit; 1575d2cd909SArnaldo Carvalho de Melo 158602ad878SArnaldo Carvalho de Melo if (target__has_cpu(&target)) 159594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 1605622c07bSStephane Eranian 161602ad878SArnaldo Carvalho de Melo if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) { 16286470930SIngo Molnar attr->disabled = 1; 16341191688SAndi Kleen if (!initial_delay) 16457e7986eSPaul Mackerras attr->enable_on_exec = 1; 1656be2850eSZhang, Yanmin } 166084ab9f8SArnaldo Carvalho de Melo 167594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 16886470930SIngo Molnar } 16986470930SIngo Molnar 17086470930SIngo Molnar /* 17186470930SIngo Molnar * Does the counter have nsecs as a unit? 17286470930SIngo Molnar */ 173daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 17486470930SIngo Molnar { 175daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 176daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 17786470930SIngo Molnar return 1; 17886470930SIngo Molnar 17986470930SIngo Molnar return 0; 18086470930SIngo Molnar } 18186470930SIngo Molnar 182f5b4a9c3SStephane Eranian /* 183f5b4a9c3SStephane Eranian * Read out the results of a single counter: 184f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 185f5b4a9c3SStephane Eranian */ 186c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 187f5b4a9c3SStephane Eranian { 1889bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 1899bf1a529SJiri Olsa int ncpus = perf_evsel__nr_cpus(counter); 1909bf1a529SJiri Olsa int cpu, thread; 191f5b4a9c3SStephane Eranian 1923b4331d9SSuzuki K. Poulose if (!counter->supported) 1933b4331d9SSuzuki K. Poulose return -ENOENT; 1943b4331d9SSuzuki K. Poulose 1959bf1a529SJiri Olsa if (counter->system_wide) 1969bf1a529SJiri Olsa nthreads = 1; 1979bf1a529SJiri Olsa 1989bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 1999bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 2003b3eb044SJiri Olsa struct perf_counts_values *count; 2013b3eb044SJiri Olsa 2023b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 2033b3eb044SJiri Olsa if (perf_evsel__read(counter, cpu, thread, count)) 204c52b12edSArnaldo Carvalho de Melo return -1; 205f5b4a9c3SStephane Eranian } 2069bf1a529SJiri Olsa } 207c52b12edSArnaldo Carvalho de Melo 208c52b12edSArnaldo Carvalho de Melo return 0; 20986470930SIngo Molnar } 21086470930SIngo Molnar 2115fc472a6SJiri Olsa static void read_counters(bool close_counters) 212106a94a0SJiri Olsa { 213106a94a0SJiri Olsa struct perf_evsel *counter; 214106a94a0SJiri Olsa 215106a94a0SJiri Olsa evlist__for_each(evsel_list, counter) { 2163b3eb044SJiri Olsa if (read_counter(counter)) 2173b3eb044SJiri Olsa pr_warning("failed to read counter %s\n", counter->name); 2183b3eb044SJiri Olsa 219f80010ebSJiri Olsa if (perf_stat_process_counter(&stat_config, counter)) 2203b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 221106a94a0SJiri Olsa 2225fc472a6SJiri Olsa if (close_counters) { 223106a94a0SJiri Olsa perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 224106a94a0SJiri Olsa thread_map__nr(evsel_list->threads)); 225106a94a0SJiri Olsa } 226106a94a0SJiri Olsa } 227106a94a0SJiri Olsa } 228106a94a0SJiri Olsa 229ba411a95SJiri Olsa static void process_interval(void) 23013370a9bSStephane Eranian { 23113370a9bSStephane Eranian struct timespec ts, rs; 23213370a9bSStephane Eranian 233106a94a0SJiri Olsa read_counters(false); 23486ee6e18SStephane Eranian 23513370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 23613370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 23713370a9bSStephane Eranian 238d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 23913370a9bSStephane Eranian } 24013370a9bSStephane Eranian 24141191688SAndi Kleen static void handle_initial_delay(void) 24241191688SAndi Kleen { 24341191688SAndi Kleen struct perf_evsel *counter; 24441191688SAndi Kleen 24541191688SAndi Kleen if (initial_delay) { 24641191688SAndi Kleen const int ncpus = cpu_map__nr(evsel_list->cpus), 24741191688SAndi Kleen nthreads = thread_map__nr(evsel_list->threads); 24841191688SAndi Kleen 24941191688SAndi Kleen usleep(initial_delay * 1000); 2500050f7aaSArnaldo Carvalho de Melo evlist__for_each(evsel_list, counter) 25141191688SAndi Kleen perf_evsel__enable(counter, ncpus, nthreads); 25241191688SAndi Kleen } 25341191688SAndi Kleen } 25441191688SAndi Kleen 255f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 2566af206fdSArnaldo Carvalho de Melo 2576af206fdSArnaldo Carvalho de Melo /* 2586af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 2596af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 2606af206fdSArnaldo Carvalho de Melo * want_signal to true. 2616af206fdSArnaldo Carvalho de Melo */ 262f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 263f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 2646af206fdSArnaldo Carvalho de Melo { 265f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 2666af206fdSArnaldo Carvalho de Melo } 2676af206fdSArnaldo Carvalho de Melo 268acf28922SNamhyung Kim static int __run_perf_stat(int argc, const char **argv) 26986470930SIngo Molnar { 270ec0d3d1fSJiri Olsa int interval = stat_config.interval; 27156e52e85SArnaldo Carvalho de Melo char msg[512]; 27286470930SIngo Molnar unsigned long long t0, t1; 273cac21425SJiri Olsa struct perf_evsel *counter; 27413370a9bSStephane Eranian struct timespec ts; 275410136f5SStephane Eranian size_t l; 27642202dd5SIngo Molnar int status = 0; 2776be2850eSZhang, Yanmin const bool forks = (argc > 0); 27886470930SIngo Molnar 27913370a9bSStephane Eranian if (interval) { 28013370a9bSStephane Eranian ts.tv_sec = interval / 1000; 28113370a9bSStephane Eranian ts.tv_nsec = (interval % 1000) * 1000000; 28213370a9bSStephane Eranian } else { 28313370a9bSStephane Eranian ts.tv_sec = 1; 28413370a9bSStephane Eranian ts.tv_nsec = 0; 28513370a9bSStephane Eranian } 28613370a9bSStephane Eranian 287acf28922SNamhyung Kim if (forks) { 288735f7e0bSArnaldo Carvalho de Melo if (perf_evlist__prepare_workload(evsel_list, &target, argv, false, 289735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 290acf28922SNamhyung Kim perror("failed to prepare workload"); 291fceda7feSDavid Ahern return -1; 292051ae7f7SPaul Mackerras } 293d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 29460666c63SLiming Wang } 295051ae7f7SPaul Mackerras 2966a4bb04cSJiri Olsa if (group) 29763dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 2986a4bb04cSJiri Olsa 2990050f7aaSArnaldo Carvalho de Melo evlist__for_each(evsel_list, counter) { 300cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 301979987a5SDavid Ahern /* 302979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 303979987a5SDavid Ahern * (behavior changed with commit b0a873e). 304979987a5SDavid Ahern */ 30538f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 306979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 307979987a5SDavid Ahern errno == ENXIO) { 308c63ca0c0SDavid Ahern if (verbose) 309c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 3107289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 3112cee77c4SDavid Ahern counter->supported = false; 312cb5ef600SKan Liang 313cb5ef600SKan Liang if ((counter->leader != counter) || 314cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 315ede70290SIngo Molnar continue; 316c63ca0c0SDavid Ahern } 317ede70290SIngo Molnar 31856e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 31956e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 32056e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 32156e52e85SArnaldo Carvalho de Melo 322084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 323084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 324fceda7feSDavid Ahern 325084ab9f8SArnaldo Carvalho de Melo return -1; 326084ab9f8SArnaldo Carvalho de Melo } 3272cee77c4SDavid Ahern counter->supported = true; 328410136f5SStephane Eranian 329410136f5SStephane Eranian l = strlen(counter->unit); 330410136f5SStephane Eranian if (l > unit_width) 331410136f5SStephane Eranian unit_width = l; 33248290609SArnaldo Carvalho de Melo } 33386470930SIngo Molnar 33423d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 33523d4aad4SArnaldo Carvalho de Melo error("failed to set filter \"%s\" on event %s with %d (%s)\n", 33623d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 337759e612bSMasami Hiramatsu strerror_r(errno, msg, sizeof(msg))); 338cfd748aeSFrederic Weisbecker return -1; 339cfd748aeSFrederic Weisbecker } 340cfd748aeSFrederic Weisbecker 34186470930SIngo Molnar /* 34286470930SIngo Molnar * Enable counters and exec the command: 34386470930SIngo Molnar */ 34486470930SIngo Molnar t0 = rdclock(); 34513370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 34686470930SIngo Molnar 34760666c63SLiming Wang if (forks) { 348acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 34941191688SAndi Kleen handle_initial_delay(); 350acf28922SNamhyung Kim 35113370a9bSStephane Eranian if (interval) { 35213370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 35313370a9bSStephane Eranian nanosleep(&ts, NULL); 354ba411a95SJiri Olsa process_interval(); 35513370a9bSStephane Eranian } 35613370a9bSStephane Eranian } 35742202dd5SIngo Molnar wait(&status); 3586af206fdSArnaldo Carvalho de Melo 359f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 360f33cbe72SArnaldo Carvalho de Melo const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); 361f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 3626af206fdSArnaldo Carvalho de Melo return -1; 363f33cbe72SArnaldo Carvalho de Melo } 3646af206fdSArnaldo Carvalho de Melo 36533e49ea7SAndi Kleen if (WIFSIGNALED(status)) 36633e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 36760666c63SLiming Wang } else { 36841191688SAndi Kleen handle_initial_delay(); 36913370a9bSStephane Eranian while (!done) { 37013370a9bSStephane Eranian nanosleep(&ts, NULL); 37113370a9bSStephane Eranian if (interval) 372ba411a95SJiri Olsa process_interval(); 37313370a9bSStephane Eranian } 37460666c63SLiming Wang } 37586470930SIngo Molnar 37686470930SIngo Molnar t1 = rdclock(); 37786470930SIngo Molnar 3789e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 37942202dd5SIngo Molnar 380106a94a0SJiri Olsa read_counters(true); 381c52b12edSArnaldo Carvalho de Melo 38242202dd5SIngo Molnar return WEXITSTATUS(status); 38342202dd5SIngo Molnar } 38442202dd5SIngo Molnar 38541cde476SArnaldo Carvalho de Melo static int run_perf_stat(int argc, const char **argv) 3861f16c575SPeter Zijlstra { 3871f16c575SPeter Zijlstra int ret; 3881f16c575SPeter Zijlstra 3891f16c575SPeter Zijlstra if (pre_cmd) { 3901f16c575SPeter Zijlstra ret = system(pre_cmd); 3911f16c575SPeter Zijlstra if (ret) 3921f16c575SPeter Zijlstra return ret; 3931f16c575SPeter Zijlstra } 3941f16c575SPeter Zijlstra 3951f16c575SPeter Zijlstra if (sync_run) 3961f16c575SPeter Zijlstra sync(); 3971f16c575SPeter Zijlstra 3981f16c575SPeter Zijlstra ret = __run_perf_stat(argc, argv); 3991f16c575SPeter Zijlstra if (ret) 4001f16c575SPeter Zijlstra return ret; 4011f16c575SPeter Zijlstra 4021f16c575SPeter Zijlstra if (post_cmd) { 4031f16c575SPeter Zijlstra ret = system(post_cmd); 4041f16c575SPeter Zijlstra if (ret) 4051f16c575SPeter Zijlstra return ret; 4061f16c575SPeter Zijlstra } 4071f16c575SPeter Zijlstra 4081f16c575SPeter Zijlstra return ret; 4091f16c575SPeter Zijlstra } 4101f16c575SPeter Zijlstra 411d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 412d73515c0SAndi Kleen { 413d73515c0SAndi Kleen if (csv_output) { 4145821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 415d73515c0SAndi Kleen csv_sep, 416d73515c0SAndi Kleen run, 417d73515c0SAndi Kleen csv_sep, 418d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 419d73515c0SAndi Kleen } else if (run != ena) { 4205821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 421d73515c0SAndi Kleen } 422d73515c0SAndi Kleen } 423d73515c0SAndi Kleen 424f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 425f99844cbSIngo Molnar { 4260007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 427f99844cbSIngo Molnar 4283ae9a34dSZhengyu He if (csv_output) 4295821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 430a1bca6ccSJim Cromie else if (pct) 4315821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 432f99844cbSIngo Molnar } 433f99844cbSIngo Molnar 43469aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 43542202dd5SIngo Molnar { 43669aad6f1SArnaldo Carvalho de Melo struct perf_stat *ps; 43769aad6f1SArnaldo Carvalho de Melo 438849abde9SPeter Zijlstra if (run_count == 1) 439849abde9SPeter Zijlstra return; 440849abde9SPeter Zijlstra 44169aad6f1SArnaldo Carvalho de Melo ps = evsel->priv; 442f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 44342202dd5SIngo Molnar } 44442202dd5SIngo Molnar 44512c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 44642202dd5SIngo Molnar { 447421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 44812c08a9fSStephane Eranian case AGGR_CORE: 4495821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 45012c08a9fSStephane Eranian cpu_map__id_to_socket(id), 45112c08a9fSStephane Eranian csv_output ? 0 : -8, 45212c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 45312c08a9fSStephane Eranian csv_sep, 45412c08a9fSStephane Eranian csv_output ? 0 : 4, 45512c08a9fSStephane Eranian nr, 45612c08a9fSStephane Eranian csv_sep); 45712c08a9fSStephane Eranian break; 45886ee6e18SStephane Eranian case AGGR_SOCKET: 4595821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 460d7e7a451SStephane Eranian csv_output ? 0 : -5, 46112c08a9fSStephane Eranian id, 462d7e7a451SStephane Eranian csv_sep, 463d7e7a451SStephane Eranian csv_output ? 0 : 4, 464d7e7a451SStephane Eranian nr, 465d7e7a451SStephane Eranian csv_sep); 46686ee6e18SStephane Eranian break; 46786ee6e18SStephane Eranian case AGGR_NONE: 4685821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 469d7470b6aSStephane Eranian csv_output ? 0 : -4, 47012c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 47186ee6e18SStephane Eranian break; 47232b8af82SJiri Olsa case AGGR_THREAD: 4735821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 47432b8af82SJiri Olsa csv_output ? 0 : 16, 47532b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 47632b8af82SJiri Olsa csv_output ? 0 : -8, 47732b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 47832b8af82SJiri Olsa csv_sep); 47932b8af82SJiri Olsa break; 48086ee6e18SStephane Eranian case AGGR_GLOBAL: 48186ee6e18SStephane Eranian default: 48286ee6e18SStephane Eranian break; 48386ee6e18SStephane Eranian } 48486ee6e18SStephane Eranian } 485d7470b6aSStephane Eranian 486da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 48786ee6e18SStephane Eranian { 4885821522eSJiri Olsa FILE *output = stat_config.output; 48986ee6e18SStephane Eranian double msecs = avg / 1e6; 490410136f5SStephane Eranian const char *fmt_v, *fmt_n; 4914bbe5a61SDavid Ahern char name[25]; 49286ee6e18SStephane Eranian 493410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 494410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 495410136f5SStephane Eranian 496da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 49786ee6e18SStephane Eranian 4984bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 4994bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 500410136f5SStephane Eranian 501410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 502410136f5SStephane Eranian 503410136f5SStephane Eranian if (csv_output) 504410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 505410136f5SStephane Eranian else 506410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 507410136f5SStephane Eranian 508410136f5SStephane Eranian fprintf(output, fmt_n, name); 509d7470b6aSStephane Eranian 510023695d9SStephane Eranian if (evsel->cgrp) 5114aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 512023695d9SStephane Eranian 513ec0d3d1fSJiri Olsa if (csv_output || stat_config.interval) 514d7470b6aSStephane Eranian return; 51542202dd5SIngo Molnar 516daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 5174aa9015fSStephane Eranian fprintf(output, " # %8.3f CPUs utilized ", 5184aa9015fSStephane Eranian avg / avg_stats(&walltime_nsecs_stats)); 5199dac6a29SNamhyung Kim else 5209dac6a29SNamhyung Kim fprintf(output, " "); 52142202dd5SIngo Molnar } 52242202dd5SIngo Molnar 523556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 524556b1fb7SJiri Olsa { 5255821522eSJiri Olsa FILE *output = stat_config.output; 526556b1fb7SJiri Olsa double sc = evsel->scale; 527556b1fb7SJiri Olsa const char *fmt; 528556b1fb7SJiri Olsa int cpu = cpu_map__id_to_cpu(id); 529556b1fb7SJiri Olsa 530556b1fb7SJiri Olsa if (csv_output) { 531556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; 532556b1fb7SJiri Olsa } else { 533556b1fb7SJiri Olsa if (big_num) 534556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; 535556b1fb7SJiri Olsa else 536556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; 537556b1fb7SJiri Olsa } 538556b1fb7SJiri Olsa 539556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 540556b1fb7SJiri Olsa 541421a50f3SJiri Olsa if (stat_config.aggr_mode == AGGR_GLOBAL) 542556b1fb7SJiri Olsa cpu = 0; 543556b1fb7SJiri Olsa 544556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 545556b1fb7SJiri Olsa 546556b1fb7SJiri Olsa if (evsel->unit) 547556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 548556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 549556b1fb7SJiri Olsa evsel->unit, csv_sep); 550556b1fb7SJiri Olsa 551556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 552556b1fb7SJiri Olsa 553556b1fb7SJiri Olsa if (evsel->cgrp) 554556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 555556b1fb7SJiri Olsa 556ec0d3d1fSJiri Olsa if (csv_output || stat_config.interval) 557556b1fb7SJiri Olsa return; 558556b1fb7SJiri Olsa 559421a50f3SJiri Olsa perf_stat__print_shadow_stats(output, evsel, avg, cpu, 560421a50f3SJiri Olsa stat_config.aggr_mode); 561556b1fb7SJiri Olsa } 562556b1fb7SJiri Olsa 56386ee6e18SStephane Eranian static void print_aggr(char *prefix) 564d7e7a451SStephane Eranian { 5655821522eSJiri Olsa FILE *output = stat_config.output; 566d7e7a451SStephane Eranian struct perf_evsel *counter; 567582ec082SStephane Eranian int cpu, cpu2, s, s2, id, nr; 568410136f5SStephane Eranian double uval; 569d7e7a451SStephane Eranian u64 ena, run, val; 570d7e7a451SStephane Eranian 57186ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 572d7e7a451SStephane Eranian return; 573d7e7a451SStephane Eranian 57486ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 57586ee6e18SStephane Eranian id = aggr_map->map[s]; 5760050f7aaSArnaldo Carvalho de Melo evlist__for_each(evsel_list, counter) { 577d7e7a451SStephane Eranian val = ena = run = 0; 578d7e7a451SStephane Eranian nr = 0; 579d7e7a451SStephane Eranian for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 580582ec082SStephane Eranian cpu2 = perf_evsel__cpus(counter)->map[cpu]; 581582ec082SStephane Eranian s2 = aggr_get_id(evsel_list->cpus, cpu2); 58286ee6e18SStephane Eranian if (s2 != id) 583d7e7a451SStephane Eranian continue; 584a6fa0038SJiri Olsa val += perf_counts(counter->counts, cpu, 0)->val; 585a6fa0038SJiri Olsa ena += perf_counts(counter->counts, cpu, 0)->ena; 586a6fa0038SJiri Olsa run += perf_counts(counter->counts, cpu, 0)->run; 587d7e7a451SStephane Eranian nr++; 588d7e7a451SStephane Eranian } 589d7e7a451SStephane Eranian if (prefix) 590d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 591d7e7a451SStephane Eranian 592d7e7a451SStephane Eranian if (run == 0 || ena == 0) { 593582ec082SStephane Eranian aggr_printout(counter, id, nr); 59486ee6e18SStephane Eranian 595410136f5SStephane Eranian fprintf(output, "%*s%s", 596d7e7a451SStephane Eranian csv_output ? 0 : 18, 597d7e7a451SStephane Eranian counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 598410136f5SStephane Eranian csv_sep); 599410136f5SStephane Eranian 600410136f5SStephane Eranian fprintf(output, "%-*s%s", 601410136f5SStephane Eranian csv_output ? 0 : unit_width, 602410136f5SStephane Eranian counter->unit, csv_sep); 603410136f5SStephane Eranian 604410136f5SStephane Eranian fprintf(output, "%*s", 605410136f5SStephane Eranian csv_output ? 0 : -25, 606d7e7a451SStephane Eranian perf_evsel__name(counter)); 60786ee6e18SStephane Eranian 608d7e7a451SStephane Eranian if (counter->cgrp) 609d7e7a451SStephane Eranian fprintf(output, "%s%s", 610d7e7a451SStephane Eranian csv_sep, counter->cgrp->name); 611d7e7a451SStephane Eranian 612d73515c0SAndi Kleen print_running(run, ena); 613d7e7a451SStephane Eranian fputc('\n', output); 614d7e7a451SStephane Eranian continue; 615d7e7a451SStephane Eranian } 616410136f5SStephane Eranian uval = val * counter->scale; 617d7e7a451SStephane Eranian 618d7e7a451SStephane Eranian if (nsec_counter(counter)) 619410136f5SStephane Eranian nsec_printout(id, nr, counter, uval); 620d7e7a451SStephane Eranian else 621410136f5SStephane Eranian abs_printout(id, nr, counter, uval); 622d7e7a451SStephane Eranian 623d73515c0SAndi Kleen if (!csv_output) 624d7e7a451SStephane Eranian print_noise(counter, 1.0); 625d7e7a451SStephane Eranian 626d73515c0SAndi Kleen print_running(run, ena); 627d7e7a451SStephane Eranian fputc('\n', output); 628d7e7a451SStephane Eranian } 629d7e7a451SStephane Eranian } 630d7e7a451SStephane Eranian } 631d7e7a451SStephane Eranian 63232b8af82SJiri Olsa static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 63332b8af82SJiri Olsa { 6345821522eSJiri Olsa FILE *output = stat_config.output; 63532b8af82SJiri Olsa int nthreads = thread_map__nr(counter->threads); 63632b8af82SJiri Olsa int ncpus = cpu_map__nr(counter->cpus); 63732b8af82SJiri Olsa int cpu, thread; 63832b8af82SJiri Olsa double uval; 63932b8af82SJiri Olsa 64032b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 64132b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 64232b8af82SJiri Olsa 64332b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 64432b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 64532b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 64632b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 64732b8af82SJiri Olsa } 64832b8af82SJiri Olsa 64932b8af82SJiri Olsa if (prefix) 65032b8af82SJiri Olsa fprintf(output, "%s", prefix); 65132b8af82SJiri Olsa 65232b8af82SJiri Olsa uval = val * counter->scale; 65332b8af82SJiri Olsa 65432b8af82SJiri Olsa if (nsec_counter(counter)) 65532b8af82SJiri Olsa nsec_printout(thread, 0, counter, uval); 65632b8af82SJiri Olsa else 65732b8af82SJiri Olsa abs_printout(thread, 0, counter, uval); 65832b8af82SJiri Olsa 65932b8af82SJiri Olsa if (!csv_output) 66032b8af82SJiri Olsa print_noise(counter, 1.0); 66132b8af82SJiri Olsa 66232b8af82SJiri Olsa print_running(run, ena); 66332b8af82SJiri Olsa fputc('\n', output); 66432b8af82SJiri Olsa } 66532b8af82SJiri Olsa } 66632b8af82SJiri Olsa 66742202dd5SIngo Molnar /* 66842202dd5SIngo Molnar * Print out the results of a single counter: 669f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 67042202dd5SIngo Molnar */ 67113370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 67242202dd5SIngo Molnar { 6735821522eSJiri Olsa FILE *output = stat_config.output; 67469aad6f1SArnaldo Carvalho de Melo struct perf_stat *ps = counter->priv; 67569aad6f1SArnaldo Carvalho de Melo double avg = avg_stats(&ps->res_stats[0]); 676c52b12edSArnaldo Carvalho de Melo int scaled = counter->counts->scaled; 677410136f5SStephane Eranian double uval; 678d73515c0SAndi Kleen double avg_enabled, avg_running; 679d73515c0SAndi Kleen 680d73515c0SAndi Kleen avg_enabled = avg_stats(&ps->res_stats[1]); 681d73515c0SAndi Kleen avg_running = avg_stats(&ps->res_stats[2]); 68242202dd5SIngo Molnar 68313370a9bSStephane Eranian if (prefix) 68413370a9bSStephane Eranian fprintf(output, "%s", prefix); 68513370a9bSStephane Eranian 6863b4331d9SSuzuki K. Poulose if (scaled == -1 || !counter->supported) { 687410136f5SStephane Eranian fprintf(output, "%*s%s", 688d7470b6aSStephane Eranian csv_output ? 0 : 18, 6892cee77c4SDavid Ahern counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 690410136f5SStephane Eranian csv_sep); 691410136f5SStephane Eranian fprintf(output, "%-*s%s", 692410136f5SStephane Eranian csv_output ? 0 : unit_width, 693410136f5SStephane Eranian counter->unit, csv_sep); 694410136f5SStephane Eranian fprintf(output, "%*s", 695410136f5SStephane Eranian csv_output ? 0 : -25, 6967289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 697023695d9SStephane Eranian 698023695d9SStephane Eranian if (counter->cgrp) 6994aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, counter->cgrp->name); 700023695d9SStephane Eranian 701d73515c0SAndi Kleen print_running(avg_running, avg_enabled); 7024aa9015fSStephane Eranian fputc('\n', output); 70342202dd5SIngo Molnar return; 70442202dd5SIngo Molnar } 70542202dd5SIngo Molnar 706410136f5SStephane Eranian uval = avg * counter->scale; 707410136f5SStephane Eranian 70842202dd5SIngo Molnar if (nsec_counter(counter)) 709410136f5SStephane Eranian nsec_printout(-1, 0, counter, uval); 71042202dd5SIngo Molnar else 711410136f5SStephane Eranian abs_printout(-1, 0, counter, uval); 712849abde9SPeter Zijlstra 7133ae9a34dSZhengyu He print_noise(counter, avg); 7143ae9a34dSZhengyu He 715d73515c0SAndi Kleen print_running(avg_running, avg_enabled); 7164aa9015fSStephane Eranian fprintf(output, "\n"); 71742202dd5SIngo Molnar } 71842202dd5SIngo Molnar 719f5b4a9c3SStephane Eranian /* 720f5b4a9c3SStephane Eranian * Print out the results of a single counter: 721f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 722f5b4a9c3SStephane Eranian */ 72313370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 724f5b4a9c3SStephane Eranian { 7255821522eSJiri Olsa FILE *output = stat_config.output; 726f5b4a9c3SStephane Eranian u64 ena, run, val; 727410136f5SStephane Eranian double uval; 728f5b4a9c3SStephane Eranian int cpu; 729f5b4a9c3SStephane Eranian 7307ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 731a6fa0038SJiri Olsa val = perf_counts(counter->counts, cpu, 0)->val; 732a6fa0038SJiri Olsa ena = perf_counts(counter->counts, cpu, 0)->ena; 733a6fa0038SJiri Olsa run = perf_counts(counter->counts, cpu, 0)->run; 73413370a9bSStephane Eranian 73513370a9bSStephane Eranian if (prefix) 73613370a9bSStephane Eranian fprintf(output, "%s", prefix); 73713370a9bSStephane Eranian 738f5b4a9c3SStephane Eranian if (run == 0 || ena == 0) { 739410136f5SStephane Eranian fprintf(output, "CPU%*d%s%*s%s", 740d7470b6aSStephane Eranian csv_output ? 0 : -4, 7417ae92e74SYan, Zheng perf_evsel__cpus(counter)->map[cpu], csv_sep, 742d7470b6aSStephane Eranian csv_output ? 0 : 18, 7432cee77c4SDavid Ahern counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 744410136f5SStephane Eranian csv_sep); 745410136f5SStephane Eranian 746410136f5SStephane Eranian fprintf(output, "%-*s%s", 747410136f5SStephane Eranian csv_output ? 0 : unit_width, 748410136f5SStephane Eranian counter->unit, csv_sep); 749410136f5SStephane Eranian 750410136f5SStephane Eranian fprintf(output, "%*s", 751410136f5SStephane Eranian csv_output ? 0 : -25, 7527289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 753f5b4a9c3SStephane Eranian 754023695d9SStephane Eranian if (counter->cgrp) 7554aa9015fSStephane Eranian fprintf(output, "%s%s", 7564aa9015fSStephane Eranian csv_sep, counter->cgrp->name); 757023695d9SStephane Eranian 758d73515c0SAndi Kleen print_running(run, ena); 7594aa9015fSStephane Eranian fputc('\n', output); 760f5b4a9c3SStephane Eranian continue; 761f5b4a9c3SStephane Eranian } 762f5b4a9c3SStephane Eranian 763410136f5SStephane Eranian uval = val * counter->scale; 764410136f5SStephane Eranian 765f5b4a9c3SStephane Eranian if (nsec_counter(counter)) 766410136f5SStephane Eranian nsec_printout(cpu, 0, counter, uval); 767f5b4a9c3SStephane Eranian else 768410136f5SStephane Eranian abs_printout(cpu, 0, counter, uval); 769f5b4a9c3SStephane Eranian 770d73515c0SAndi Kleen if (!csv_output) 771f5b4a9c3SStephane Eranian print_noise(counter, 1.0); 772d73515c0SAndi Kleen print_running(run, ena); 773f5b4a9c3SStephane Eranian 7744aa9015fSStephane Eranian fputc('\n', output); 775f5b4a9c3SStephane Eranian } 776f5b4a9c3SStephane Eranian } 777f5b4a9c3SStephane Eranian 778d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 77942202dd5SIngo Molnar { 7805821522eSJiri Olsa FILE *output = stat_config.output; 781d4f63a47SJiri Olsa static int num_print_interval; 782d4f63a47SJiri Olsa 783d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 784d4f63a47SJiri Olsa 785d4f63a47SJiri Olsa if (num_print_interval == 0 && !csv_output) { 786421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 787d4f63a47SJiri Olsa case AGGR_SOCKET: 788d4f63a47SJiri Olsa fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); 789d4f63a47SJiri Olsa break; 790d4f63a47SJiri Olsa case AGGR_CORE: 791d4f63a47SJiri Olsa fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); 792d4f63a47SJiri Olsa break; 793d4f63a47SJiri Olsa case AGGR_NONE: 794d4f63a47SJiri Olsa fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); 795d4f63a47SJiri Olsa break; 79632b8af82SJiri Olsa case AGGR_THREAD: 79732b8af82SJiri Olsa fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); 79832b8af82SJiri Olsa break; 799d4f63a47SJiri Olsa case AGGR_GLOBAL: 800d4f63a47SJiri Olsa default: 801d4f63a47SJiri Olsa fprintf(output, "# time counts %*s events\n", unit_width, "unit"); 802d4f63a47SJiri Olsa } 803d4f63a47SJiri Olsa } 804d4f63a47SJiri Olsa 805d4f63a47SJiri Olsa if (++num_print_interval == 25) 806d4f63a47SJiri Olsa num_print_interval = 0; 807d4f63a47SJiri Olsa } 808d4f63a47SJiri Olsa 809d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 810d4f63a47SJiri Olsa { 8115821522eSJiri Olsa FILE *output = stat_config.output; 81269aad6f1SArnaldo Carvalho de Melo int i; 81342202dd5SIngo Molnar 81486470930SIngo Molnar fflush(stdout); 81586470930SIngo Molnar 816d7470b6aSStephane Eranian if (!csv_output) { 8174aa9015fSStephane Eranian fprintf(output, "\n"); 8184aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 81962d3b617SDavid Ahern if (target.system_wide) 82062d3b617SDavid Ahern fprintf(output, "\'system wide"); 82162d3b617SDavid Ahern else if (target.cpu_list) 82262d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 823602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 8244aa9015fSStephane Eranian fprintf(output, "\'%s", argv[0]); 82586470930SIngo Molnar for (i = 1; i < argc; i++) 8264aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 82720f946b4SNamhyung Kim } else if (target.pid) 82820f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 829d6d901c2SZhang, Yanmin else 83020f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 83186470930SIngo Molnar 8324aa9015fSStephane Eranian fprintf(output, "\'"); 83342202dd5SIngo Molnar if (run_count > 1) 8344aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 8354aa9015fSStephane Eranian fprintf(output, ":\n\n"); 836d7470b6aSStephane Eranian } 837f5b4a9c3SStephane Eranian } 83886470930SIngo Molnar 839d4f63a47SJiri Olsa static void print_footer(void) 840d4f63a47SJiri Olsa { 8415821522eSJiri Olsa FILE *output = stat_config.output; 8425821522eSJiri Olsa 843c3305257SIngo Molnar if (!null_run) 8444aa9015fSStephane Eranian fprintf(output, "\n"); 8454aa9015fSStephane Eranian fprintf(output, " %17.9f seconds time elapsed", 846506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)/1e9); 847566747e6SIngo Molnar if (run_count > 1) { 8484aa9015fSStephane Eranian fprintf(output, " "); 849f99844cbSIngo Molnar print_noise_pct(stddev_stats(&walltime_nsecs_stats), 850506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)); 851566747e6SIngo Molnar } 8524aa9015fSStephane Eranian fprintf(output, "\n\n"); 85386470930SIngo Molnar } 854d4f63a47SJiri Olsa 855d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 856d4f63a47SJiri Olsa { 857ec0d3d1fSJiri Olsa int interval = stat_config.interval; 858d4f63a47SJiri Olsa struct perf_evsel *counter; 859d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 860d4f63a47SJiri Olsa 861d4f63a47SJiri Olsa if (interval) 862d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 863d4f63a47SJiri Olsa else 864d4f63a47SJiri Olsa print_header(argc, argv); 865d4f63a47SJiri Olsa 866421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 867d4f63a47SJiri Olsa case AGGR_CORE: 868d4f63a47SJiri Olsa case AGGR_SOCKET: 869d4f63a47SJiri Olsa print_aggr(prefix); 870d4f63a47SJiri Olsa break; 87132b8af82SJiri Olsa case AGGR_THREAD: 87232b8af82SJiri Olsa evlist__for_each(evsel_list, counter) 87332b8af82SJiri Olsa print_aggr_thread(counter, prefix); 87432b8af82SJiri Olsa break; 875d4f63a47SJiri Olsa case AGGR_GLOBAL: 876d4f63a47SJiri Olsa evlist__for_each(evsel_list, counter) 877d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 878d4f63a47SJiri Olsa break; 879d4f63a47SJiri Olsa case AGGR_NONE: 880d4f63a47SJiri Olsa evlist__for_each(evsel_list, counter) 881d4f63a47SJiri Olsa print_counter(counter, prefix); 882d4f63a47SJiri Olsa break; 883d4f63a47SJiri Olsa default: 884d4f63a47SJiri Olsa break; 885d4f63a47SJiri Olsa } 886d4f63a47SJiri Olsa 887d4f63a47SJiri Olsa if (!interval && !csv_output) 888d4f63a47SJiri Olsa print_footer(); 889d4f63a47SJiri Olsa 8905821522eSJiri Olsa fflush(stat_config.output); 891d7470b6aSStephane Eranian } 89286470930SIngo Molnar 893f7b7c26eSPeter Zijlstra static volatile int signr = -1; 894f7b7c26eSPeter Zijlstra 89586470930SIngo Molnar static void skip_signal(int signo) 89686470930SIngo Molnar { 897ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 89860666c63SLiming Wang done = 1; 89960666c63SLiming Wang 900f7b7c26eSPeter Zijlstra signr = signo; 901d07f0b12SStephane Eranian /* 902d07f0b12SStephane Eranian * render child_pid harmless 903d07f0b12SStephane Eranian * won't send SIGTERM to a random 904d07f0b12SStephane Eranian * process in case of race condition 905d07f0b12SStephane Eranian * and fast PID recycling 906d07f0b12SStephane Eranian */ 907d07f0b12SStephane Eranian child_pid = -1; 908f7b7c26eSPeter Zijlstra } 909f7b7c26eSPeter Zijlstra 910f7b7c26eSPeter Zijlstra static void sig_atexit(void) 911f7b7c26eSPeter Zijlstra { 912d07f0b12SStephane Eranian sigset_t set, oset; 913d07f0b12SStephane Eranian 914d07f0b12SStephane Eranian /* 915d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 916d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 917d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 918d07f0b12SStephane Eranian * process 919d07f0b12SStephane Eranian */ 920d07f0b12SStephane Eranian sigemptyset(&set); 921d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 922d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 923d07f0b12SStephane Eranian 924933da83aSChris Wilson if (child_pid != -1) 925933da83aSChris Wilson kill(child_pid, SIGTERM); 926933da83aSChris Wilson 927d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 928d07f0b12SStephane Eranian 929f7b7c26eSPeter Zijlstra if (signr == -1) 930f7b7c26eSPeter Zijlstra return; 931f7b7c26eSPeter Zijlstra 932f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 933f7b7c26eSPeter Zijlstra kill(getpid(), signr); 93486470930SIngo Molnar } 93586470930SIngo Molnar 9361d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 9371d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 938d7470b6aSStephane Eranian { 939d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 940d7470b6aSStephane Eranian return 0; 941d7470b6aSStephane Eranian } 942d7470b6aSStephane Eranian 94386ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 94486ee6e18SStephane Eranian { 945421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 94686ee6e18SStephane Eranian case AGGR_SOCKET: 94786ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 94886ee6e18SStephane Eranian perror("cannot build socket map"); 94986ee6e18SStephane Eranian return -1; 95086ee6e18SStephane Eranian } 95186ee6e18SStephane Eranian aggr_get_id = cpu_map__get_socket; 95286ee6e18SStephane Eranian break; 95312c08a9fSStephane Eranian case AGGR_CORE: 95412c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 95512c08a9fSStephane Eranian perror("cannot build core map"); 95612c08a9fSStephane Eranian return -1; 95712c08a9fSStephane Eranian } 95812c08a9fSStephane Eranian aggr_get_id = cpu_map__get_core; 95912c08a9fSStephane Eranian break; 96086ee6e18SStephane Eranian case AGGR_NONE: 96186ee6e18SStephane Eranian case AGGR_GLOBAL: 96232b8af82SJiri Olsa case AGGR_THREAD: 96386ee6e18SStephane Eranian default: 96486ee6e18SStephane Eranian break; 96586ee6e18SStephane Eranian } 96686ee6e18SStephane Eranian return 0; 96786ee6e18SStephane Eranian } 96886ee6e18SStephane Eranian 9692cba3ffbSIngo Molnar /* 9702cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 9712cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 9722cba3ffbSIngo Molnar */ 9732cba3ffbSIngo Molnar static int add_default_attributes(void) 9742cba3ffbSIngo Molnar { 975b070a547SArnaldo Carvalho de Melo struct perf_event_attr default_attrs[] = { 976b070a547SArnaldo Carvalho de Melo 977b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 978b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 979b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 980b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 981b070a547SArnaldo Carvalho de Melo 982b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 983b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 984b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 985b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 986b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 987b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 988b070a547SArnaldo Carvalho de Melo 989b070a547SArnaldo Carvalho de Melo }; 990b070a547SArnaldo Carvalho de Melo 991b070a547SArnaldo Carvalho de Melo /* 992b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 993b070a547SArnaldo Carvalho de Melo */ 994b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 995b070a547SArnaldo Carvalho de Melo 996b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 997b070a547SArnaldo Carvalho de Melo .config = 998b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 999b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1000b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1001b070a547SArnaldo Carvalho de Melo 1002b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1003b070a547SArnaldo Carvalho de Melo .config = 1004b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1005b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1006b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1007b070a547SArnaldo Carvalho de Melo 1008b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1009b070a547SArnaldo Carvalho de Melo .config = 1010b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1011b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1012b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1013b070a547SArnaldo Carvalho de Melo 1014b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1015b070a547SArnaldo Carvalho de Melo .config = 1016b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1017b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1018b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1019b070a547SArnaldo Carvalho de Melo }; 1020b070a547SArnaldo Carvalho de Melo 1021b070a547SArnaldo Carvalho de Melo /* 1022b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1023b070a547SArnaldo Carvalho de Melo */ 1024b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1025b070a547SArnaldo Carvalho de Melo 1026b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1027b070a547SArnaldo Carvalho de Melo .config = 1028b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1029b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1030b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1031b070a547SArnaldo Carvalho de Melo 1032b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1033b070a547SArnaldo Carvalho de Melo .config = 1034b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1035b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1036b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1037b070a547SArnaldo Carvalho de Melo 1038b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1039b070a547SArnaldo Carvalho de Melo .config = 1040b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1041b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1042b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1043b070a547SArnaldo Carvalho de Melo 1044b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1045b070a547SArnaldo Carvalho de Melo .config = 1046b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1047b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1048b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1049b070a547SArnaldo Carvalho de Melo 1050b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1051b070a547SArnaldo Carvalho de Melo .config = 1052b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1053b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1054b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1055b070a547SArnaldo Carvalho de Melo 1056b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1057b070a547SArnaldo Carvalho de Melo .config = 1058b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1059b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1060b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1061b070a547SArnaldo Carvalho de Melo 1062b070a547SArnaldo Carvalho de Melo }; 1063b070a547SArnaldo Carvalho de Melo 1064b070a547SArnaldo Carvalho de Melo /* 1065b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1066b070a547SArnaldo Carvalho de Melo */ 1067b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1068b070a547SArnaldo Carvalho de Melo 1069b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1070b070a547SArnaldo Carvalho de Melo .config = 1071b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1072b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1073b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1074b070a547SArnaldo Carvalho de Melo 1075b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1076b070a547SArnaldo Carvalho de Melo .config = 1077b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1078b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1079b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1080b070a547SArnaldo Carvalho de Melo }; 1081b070a547SArnaldo Carvalho de Melo 10822cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 10832cba3ffbSIngo Molnar if (null_run) 10842cba3ffbSIngo Molnar return 0; 10852cba3ffbSIngo Molnar 10864cabc3d1SAndi Kleen if (transaction_run) { 10874cabc3d1SAndi Kleen int err; 10884cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 10894cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1090a454742cSJiri Olsa err = parse_events(evsel_list, transaction_attrs, NULL); 10914cabc3d1SAndi Kleen else 1092a454742cSJiri Olsa err = parse_events(evsel_list, transaction_limited_attrs, NULL); 1093a454742cSJiri Olsa if (err) { 10944cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 10954cabc3d1SAndi Kleen return -1; 10964cabc3d1SAndi Kleen } 10974cabc3d1SAndi Kleen return 0; 10984cabc3d1SAndi Kleen } 10994cabc3d1SAndi Kleen 11002cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 110179695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) 11022cba3ffbSIngo Molnar return -1; 11032cba3ffbSIngo Molnar } 11042cba3ffbSIngo Molnar 11052cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 11062cba3ffbSIngo Molnar 11072cba3ffbSIngo Molnar if (detailed_run < 1) 11082cba3ffbSIngo Molnar return 0; 11092cba3ffbSIngo Molnar 11102cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 111179695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 11122cba3ffbSIngo Molnar return -1; 11132cba3ffbSIngo Molnar 11142cba3ffbSIngo Molnar if (detailed_run < 2) 11152cba3ffbSIngo Molnar return 0; 11162cba3ffbSIngo Molnar 11172cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 111879695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 11192cba3ffbSIngo Molnar return -1; 11202cba3ffbSIngo Molnar 11212cba3ffbSIngo Molnar if (detailed_run < 3) 11222cba3ffbSIngo Molnar return 0; 11232cba3ffbSIngo Molnar 11242cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 112579695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 11262cba3ffbSIngo Molnar } 11272cba3ffbSIngo Molnar 11281d037ca1SIrina Tirdea int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) 112986470930SIngo Molnar { 11301f16c575SPeter Zijlstra bool append_file = false; 1131b070a547SArnaldo Carvalho de Melo int output_fd = 0; 1132b070a547SArnaldo Carvalho de Melo const char *output_name = NULL; 1133b070a547SArnaldo Carvalho de Melo const struct option options[] = { 11344cabc3d1SAndi Kleen OPT_BOOLEAN('T', "transaction", &transaction_run, 11354cabc3d1SAndi Kleen "hardware transaction statistics"), 1136b070a547SArnaldo Carvalho de Melo OPT_CALLBACK('e', "event", &evsel_list, "event", 1137b070a547SArnaldo Carvalho de Melo "event selector. use 'perf list' to list available events", 1138b070a547SArnaldo Carvalho de Melo parse_events_option), 1139b070a547SArnaldo Carvalho de Melo OPT_CALLBACK(0, "filter", &evsel_list, "filter", 1140b070a547SArnaldo Carvalho de Melo "event filter", parse_filter), 1141b070a547SArnaldo Carvalho de Melo OPT_BOOLEAN('i', "no-inherit", &no_inherit, 1142b070a547SArnaldo Carvalho de Melo "child tasks do not inherit counters"), 1143b070a547SArnaldo Carvalho de Melo OPT_STRING('p', "pid", &target.pid, "pid", 1144b070a547SArnaldo Carvalho de Melo "stat events on existing process id"), 1145b070a547SArnaldo Carvalho de Melo OPT_STRING('t', "tid", &target.tid, "tid", 1146b070a547SArnaldo Carvalho de Melo "stat events on existing thread id"), 1147b070a547SArnaldo Carvalho de Melo OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 1148b070a547SArnaldo Carvalho de Melo "system-wide collection from all CPUs"), 1149b070a547SArnaldo Carvalho de Melo OPT_BOOLEAN('g', "group", &group, 1150b070a547SArnaldo Carvalho de Melo "put the counters into a counter group"), 1151711a572eSJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 1152b070a547SArnaldo Carvalho de Melo OPT_INCR('v', "verbose", &verbose, 1153b070a547SArnaldo Carvalho de Melo "be more verbose (show counter open errors, etc)"), 1154b070a547SArnaldo Carvalho de Melo OPT_INTEGER('r', "repeat", &run_count, 1155a7e191c3SFrederik Deweerdt "repeat command and print average + stddev (max: 100, forever: 0)"), 1156b070a547SArnaldo Carvalho de Melo OPT_BOOLEAN('n', "null", &null_run, 1157b070a547SArnaldo Carvalho de Melo "null run - dont start any counters"), 1158b070a547SArnaldo Carvalho de Melo OPT_INCR('d', "detailed", &detailed_run, 1159b070a547SArnaldo Carvalho de Melo "detailed run - start a lot of events"), 1160b070a547SArnaldo Carvalho de Melo OPT_BOOLEAN('S', "sync", &sync_run, 1161b070a547SArnaldo Carvalho de Melo "call sync() before starting a run"), 1162b070a547SArnaldo Carvalho de Melo OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 1163b070a547SArnaldo Carvalho de Melo "print large numbers with thousands\' separators", 1164b070a547SArnaldo Carvalho de Melo stat__set_big_num), 1165b070a547SArnaldo Carvalho de Melo OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 1166b070a547SArnaldo Carvalho de Melo "list of cpus to monitor in system-wide"), 1167421a50f3SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 116886ee6e18SStephane Eranian "disable CPU count aggregation", AGGR_NONE), 1169b070a547SArnaldo Carvalho de Melo OPT_STRING('x', "field-separator", &csv_sep, "separator", 1170b070a547SArnaldo Carvalho de Melo "print counts with custom separator"), 1171b070a547SArnaldo Carvalho de Melo OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 1172b070a547SArnaldo Carvalho de Melo "monitor event in cgroup name only", parse_cgroups), 1173b070a547SArnaldo Carvalho de Melo OPT_STRING('o', "output", &output_name, "file", "output file name"), 1174b070a547SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 1175b070a547SArnaldo Carvalho de Melo OPT_INTEGER(0, "log-fd", &output_fd, 1176b070a547SArnaldo Carvalho de Melo "log output to fd, instead of stderr"), 11771f16c575SPeter Zijlstra OPT_STRING(0, "pre", &pre_cmd, "command", 11781f16c575SPeter Zijlstra "command to run prior to the measured command"), 11791f16c575SPeter Zijlstra OPT_STRING(0, "post", &post_cmd, "command", 11801f16c575SPeter Zijlstra "command to run after to the measured command"), 1181ec0d3d1fSJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 118213370a9bSStephane Eranian "print counts at regular interval in ms (>= 100)"), 1183421a50f3SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 118486ee6e18SStephane Eranian "aggregate counts per processor socket", AGGR_SOCKET), 1185421a50f3SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 118612c08a9fSStephane Eranian "aggregate counts per physical processor core", AGGR_CORE), 1187421a50f3SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 118832b8af82SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 118941191688SAndi Kleen OPT_UINTEGER('D', "delay", &initial_delay, 119041191688SAndi Kleen "ms to wait before starting measurement after program start"), 1191b070a547SArnaldo Carvalho de Melo OPT_END() 1192b070a547SArnaldo Carvalho de Melo }; 1193b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1194b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1195b070a547SArnaldo Carvalho de Melo NULL 1196b070a547SArnaldo Carvalho de Melo }; 1197cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 11984aa9015fSStephane Eranian const char *mode; 11995821522eSJiri Olsa FILE *output = stderr; 1200ec0d3d1fSJiri Olsa unsigned int interval; 120142202dd5SIngo Molnar 12025af52b51SStephane Eranian setlocale(LC_ALL, ""); 12035af52b51SStephane Eranian 1204334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 1205361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1206361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1207361c99a6SArnaldo Carvalho de Melo 1208a0541234SAnton Blanchard argc = parse_options(argc, argv, options, stat_usage, 1209a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 1210d7470b6aSStephane Eranian 1211ec0d3d1fSJiri Olsa interval = stat_config.interval; 1212ec0d3d1fSJiri Olsa 12134aa9015fSStephane Eranian if (output_name && strcmp(output_name, "-")) 12144aa9015fSStephane Eranian output = NULL; 12154aa9015fSStephane Eranian 121656f3bae7SJim Cromie if (output_name && output_fd) { 121756f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1218cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "o", 1); 1219cc03c542SNamhyung Kim parse_options_usage(NULL, options, "log-fd", 0); 1220cc03c542SNamhyung Kim goto out; 122156f3bae7SJim Cromie } 1222fc3e4d07SStephane Eranian 1223fc3e4d07SStephane Eranian if (output_fd < 0) { 1224fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 1225cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "log-fd", 0); 1226cc03c542SNamhyung Kim goto out; 1227fc3e4d07SStephane Eranian } 1228fc3e4d07SStephane Eranian 12294aa9015fSStephane Eranian if (!output) { 12304aa9015fSStephane Eranian struct timespec tm; 12314aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 12324aa9015fSStephane Eranian 12334aa9015fSStephane Eranian output = fopen(output_name, mode); 12344aa9015fSStephane Eranian if (!output) { 12354aa9015fSStephane Eranian perror("failed to create output file"); 1236fceda7feSDavid Ahern return -1; 12374aa9015fSStephane Eranian } 12384aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 12394aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 1240fc3e4d07SStephane Eranian } else if (output_fd > 0) { 124156f3bae7SJim Cromie mode = append_file ? "a" : "w"; 124256f3bae7SJim Cromie output = fdopen(output_fd, mode); 124356f3bae7SJim Cromie if (!output) { 124456f3bae7SJim Cromie perror("Failed opening logfd"); 124556f3bae7SJim Cromie return -errno; 124656f3bae7SJim Cromie } 12474aa9015fSStephane Eranian } 12484aa9015fSStephane Eranian 12495821522eSJiri Olsa stat_config.output = output; 12505821522eSJiri Olsa 1251d4ffd04dSJim Cromie if (csv_sep) { 1252d7470b6aSStephane Eranian csv_output = true; 1253d4ffd04dSJim Cromie if (!strcmp(csv_sep, "\\t")) 1254d4ffd04dSJim Cromie csv_sep = "\t"; 1255d4ffd04dSJim Cromie } else 1256d7470b6aSStephane Eranian csv_sep = DEFAULT_SEPARATOR; 1257d7470b6aSStephane Eranian 1258d7470b6aSStephane Eranian /* 1259d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 1260d7470b6aSStephane Eranian */ 1261d7470b6aSStephane Eranian if (csv_output) { 126261a9f324SJim Cromie /* User explicitly passed -B? */ 1263d7470b6aSStephane Eranian if (big_num_opt == 1) { 1264d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 1265cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "B", 1); 1266cc03c542SNamhyung Kim parse_options_usage(NULL, options, "x", 1); 1267cc03c542SNamhyung Kim goto out; 1268d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 1269d7470b6aSStephane Eranian big_num = false; 1270d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 1271d7470b6aSStephane Eranian big_num = false; 1272d7470b6aSStephane Eranian 1273602ad878SArnaldo Carvalho de Melo if (!argc && target__none(&target)) 127486470930SIngo Molnar usage_with_options(stat_usage, options); 1275ac3063bdSDavid Ahern 1276a7e191c3SFrederik Deweerdt if (run_count < 0) { 1277cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 1278cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "r", 1); 1279cc03c542SNamhyung Kim goto out; 1280a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 1281a7e191c3SFrederik Deweerdt forever = true; 1282a7e191c3SFrederik Deweerdt run_count = 1; 1283a7e191c3SFrederik Deweerdt } 128486470930SIngo Molnar 1285421a50f3SJiri Olsa if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { 128632b8af82SJiri Olsa fprintf(stderr, "The --per-thread option is only available " 128732b8af82SJiri Olsa "when monitoring via -p -t options.\n"); 128832b8af82SJiri Olsa parse_options_usage(NULL, options, "p", 1); 128932b8af82SJiri Olsa parse_options_usage(NULL, options, "t", 1); 129032b8af82SJiri Olsa goto out; 129132b8af82SJiri Olsa } 129232b8af82SJiri Olsa 129332b8af82SJiri Olsa /* 129432b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 129532b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 129632b8af82SJiri Olsa */ 1297421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 1298421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 1299602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 1300023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 1301023695d9SStephane Eranian "modes only available in system-wide mode\n"); 1302023695d9SStephane Eranian 1303cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "G", 1); 1304cc03c542SNamhyung Kim parse_options_usage(NULL, options, "A", 1); 1305cc03c542SNamhyung Kim parse_options_usage(NULL, options, "a", 1); 1306cc03c542SNamhyung Kim goto out; 1307d7e7a451SStephane Eranian } 1308d7e7a451SStephane Eranian 13092cba3ffbSIngo Molnar if (add_default_attributes()) 1310c6264defSIngo Molnar goto out; 131186470930SIngo Molnar 1312602ad878SArnaldo Carvalho de Melo target__validate(&target); 13135c98d466SArnaldo Carvalho de Melo 131477a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 1315602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 13165c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 1317cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "p", 1); 1318cc03c542SNamhyung Kim parse_options_usage(NULL, options, "t", 1); 1319602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 132060d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 1321cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "C", 1); 1322cc03c542SNamhyung Kim parse_options_usage(NULL, options, "a", 1); 1323cc03c542SNamhyung Kim } 1324cc03c542SNamhyung Kim goto out; 132560d567e2SArnaldo Carvalho de Melo } 132632b8af82SJiri Olsa 132732b8af82SJiri Olsa /* 132832b8af82SJiri Olsa * Initialize thread_map with comm names, 132932b8af82SJiri Olsa * so we could print it out on output. 133032b8af82SJiri Olsa */ 1331421a50f3SJiri Olsa if (stat_config.aggr_mode == AGGR_THREAD) 133232b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 133332b8af82SJiri Olsa 133413370a9bSStephane Eranian if (interval && interval < 100) { 133513370a9bSStephane Eranian pr_err("print interval must be >= 100ms\n"); 1336cc03c542SNamhyung Kim parse_options_usage(stat_usage, options, "I", 1); 133703ad9747SArnaldo Carvalho de Melo goto out; 133813370a9bSStephane Eranian } 1339c45c6ea2SStephane Eranian 1340d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 134103ad9747SArnaldo Carvalho de Melo goto out; 1342d6d901c2SZhang, Yanmin 134386ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 134403ad9747SArnaldo Carvalho de Melo goto out; 134586ee6e18SStephane Eranian 134686470930SIngo Molnar /* 134786470930SIngo Molnar * We dont want to block the signals - that would cause 134886470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 134986470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 135086470930SIngo Molnar * task, but being ignored by perf stat itself: 135186470930SIngo Molnar */ 1352f7b7c26eSPeter Zijlstra atexit(sig_atexit); 1353a7e191c3SFrederik Deweerdt if (!forever) 135486470930SIngo Molnar signal(SIGINT, skip_signal); 135513370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 135686470930SIngo Molnar signal(SIGALRM, skip_signal); 135786470930SIngo Molnar signal(SIGABRT, skip_signal); 135886470930SIngo Molnar 135942202dd5SIngo Molnar status = 0; 1360a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 136142202dd5SIngo Molnar if (run_count != 1 && verbose) 13624aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 13634aa9015fSStephane Eranian run_idx + 1); 1364f9cef0a9SIngo Molnar 136542202dd5SIngo Molnar status = run_perf_stat(argc, argv); 1366a7e191c3SFrederik Deweerdt if (forever && status != -1) { 1367d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1368254ecbc7SJiri Olsa perf_stat__reset_stats(); 1369a7e191c3SFrederik Deweerdt } 137042202dd5SIngo Molnar } 137142202dd5SIngo Molnar 1372a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 1373d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 1374d134ffb9SArnaldo Carvalho de Melo 1375d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 13760015e2e1SArnaldo Carvalho de Melo out: 13770015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 137842202dd5SIngo Molnar return status; 137986470930SIngo Molnar } 1380