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" 63ba6039b6SJiri Olsa #include "util/tool.h" 64ba6039b6SJiri Olsa #include "asm/bug.h" 6586470930SIngo Molnar 661f16c575SPeter Zijlstra #include <stdlib.h> 6786470930SIngo Molnar #include <sys/prctl.h> 685af52b51SStephane Eranian #include <locale.h> 6986470930SIngo Molnar 70d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 712cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 722cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 73d7470b6aSStephane Eranian 74d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 7513370a9bSStephane Eranian 764cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 77a454742cSJiri Olsa static const char *transaction_attrs = { 78a454742cSJiri Olsa "task-clock," 794cabc3d1SAndi Kleen "{" 804cabc3d1SAndi Kleen "instructions," 814cabc3d1SAndi Kleen "cycles," 824cabc3d1SAndi Kleen "cpu/cycles-t/," 834cabc3d1SAndi Kleen "cpu/tx-start/," 844cabc3d1SAndi Kleen "cpu/el-start/," 854cabc3d1SAndi Kleen "cpu/cycles-ct/" 864cabc3d1SAndi Kleen "}" 874cabc3d1SAndi Kleen }; 884cabc3d1SAndi Kleen 894cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 90a454742cSJiri Olsa static const char * transaction_limited_attrs = { 91a454742cSJiri Olsa "task-clock," 924cabc3d1SAndi Kleen "{" 934cabc3d1SAndi Kleen "instructions," 944cabc3d1SAndi Kleen "cycles," 954cabc3d1SAndi Kleen "cpu/cycles-t/," 964cabc3d1SAndi Kleen "cpu/tx-start/" 974cabc3d1SAndi Kleen "}" 984cabc3d1SAndi Kleen }; 994cabc3d1SAndi Kleen 100666e6d48SRobert Richter static struct perf_evlist *evsel_list; 101361c99a6SArnaldo Carvalho de Melo 102602ad878SArnaldo Carvalho de Melo static struct target target = { 10377a6f014SNamhyung Kim .uid = UINT_MAX, 10477a6f014SNamhyung Kim }; 10542202dd5SIngo Molnar 1061e5a2931SJiri Olsa typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); 1071e5a2931SJiri Olsa 1083d632595SJaswinder Singh Rajput static int run_count = 1; 1092e6cdf99SStephane Eranian static bool no_inherit = false; 110d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 111c0555642SIan Munsie static bool null_run = false; 1122cba3ffbSIngo Molnar static int detailed_run = 0; 1134cabc3d1SAndi Kleen static bool transaction_run; 114201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 115d7470b6aSStephane Eranian static int big_num_opt = -1; 116d7470b6aSStephane Eranian static const char *csv_sep = NULL; 117d7470b6aSStephane Eranian static bool csv_output = false; 11843bece79SLin Ming static bool group = false; 1191f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1201f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1211f16c575SPeter Zijlstra static bool sync_run = false; 12241191688SAndi Kleen static unsigned int initial_delay = 0; 123410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 124a7e191c3SFrederik Deweerdt static bool forever = false; 12513370a9bSStephane Eranian static struct timespec ref_time; 12686ee6e18SStephane Eranian static struct cpu_map *aggr_map; 1271e5a2931SJiri Olsa static aggr_get_id_t aggr_get_id; 128e0547311SJiri Olsa static bool append_file; 129e0547311SJiri Olsa static const char *output_name; 130e0547311SJiri Olsa static int output_fd; 1315af52b51SStephane Eranian 1324979d0c7SJiri Olsa struct perf_stat { 1334979d0c7SJiri Olsa bool record; 1344979d0c7SJiri Olsa struct perf_data_file file; 1354979d0c7SJiri Olsa struct perf_session *session; 1364979d0c7SJiri Olsa u64 bytes_written; 137ba6039b6SJiri Olsa struct perf_tool tool; 1381975d36eSJiri Olsa bool maps_allocated; 1391975d36eSJiri Olsa struct cpu_map *cpus; 1401975d36eSJiri Olsa struct thread_map *threads; 14189af4e05SJiri Olsa enum aggr_mode aggr_mode; 1424979d0c7SJiri Olsa }; 1434979d0c7SJiri Olsa 1444979d0c7SJiri Olsa static struct perf_stat perf_stat; 1454979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1464979d0c7SJiri Olsa 14760666c63SLiming Wang static volatile int done = 0; 14860666c63SLiming Wang 149421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 150421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 151711a572eSJiri Olsa .scale = true, 152421a50f3SJiri Olsa }; 153421a50f3SJiri Olsa 15413370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 15513370a9bSStephane Eranian struct timespec *b) 15613370a9bSStephane Eranian { 15713370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 15813370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 15913370a9bSStephane Eranian r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; 16013370a9bSStephane Eranian r->tv_sec--; 16113370a9bSStephane Eranian } else { 16213370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 16313370a9bSStephane Eranian } 16413370a9bSStephane Eranian } 16513370a9bSStephane Eranian 166254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 167254ecbc7SJiri Olsa { 168254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 169f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 1701eda3b21SJiri Olsa } 1711eda3b21SJiri Olsa 172cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 17386470930SIngo Molnar { 17469aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 175727ab04eSArnaldo Carvalho de Melo 176711a572eSJiri Olsa if (stat_config.scale) 17786470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 17886470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 17986470930SIngo Molnar 1802e6cdf99SStephane Eranian attr->inherit = !no_inherit; 1815d2cd909SArnaldo Carvalho de Melo 1826acd8e92SJiri Olsa /* 1836acd8e92SJiri Olsa * Some events get initialized with sample_(period/type) set, 1846acd8e92SJiri Olsa * like tracepoints. Clear it up for counting. 1856acd8e92SJiri Olsa */ 1866acd8e92SJiri Olsa attr->sample_period = 0; 1876db1a5c1SJiri Olsa 1884979d0c7SJiri Olsa /* 1894979d0c7SJiri Olsa * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 1904979d0c7SJiri Olsa * while avoiding that older tools show confusing messages. 1916db1a5c1SJiri Olsa * 1926db1a5c1SJiri Olsa * However for pipe sessions we need to keep it zero, 1936db1a5c1SJiri Olsa * because script's perf_evsel__check_attr is triggered 1946db1a5c1SJiri Olsa * by attr->sample_type != 0, and we can't run it on 1956db1a5c1SJiri Olsa * stat sessions. 1964979d0c7SJiri Olsa */ 1976db1a5c1SJiri Olsa if (!(STAT_RECORD && perf_stat.file.is_pipe)) 1984979d0c7SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 1996acd8e92SJiri Olsa 20067ccdecdSJiri Olsa /* 20167ccdecdSJiri Olsa * Disabling all counters initially, they will be enabled 20267ccdecdSJiri Olsa * either manually by us or by kernel via enable_on_exec 20367ccdecdSJiri Olsa * set later. 20467ccdecdSJiri Olsa */ 205c8280cecSJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 20667ccdecdSJiri Olsa attr->disabled = 1; 20767ccdecdSJiri Olsa 208c8280cecSJiri Olsa /* 209c8280cecSJiri Olsa * In case of initial_delay we enable tracee 210c8280cecSJiri Olsa * events manually. 211c8280cecSJiri Olsa */ 212c8280cecSJiri Olsa if (target__none(&target) && !initial_delay) 213c8280cecSJiri Olsa attr->enable_on_exec = 1; 214c8280cecSJiri Olsa } 215c8280cecSJiri Olsa 216602ad878SArnaldo Carvalho de Melo if (target__has_cpu(&target)) 217594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 2185622c07bSStephane Eranian 219594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 22086470930SIngo Molnar } 22186470930SIngo Molnar 22286470930SIngo Molnar /* 22386470930SIngo Molnar * Does the counter have nsecs as a unit? 22486470930SIngo Molnar */ 225daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 22686470930SIngo Molnar { 227daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 228daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 22986470930SIngo Molnar return 1; 23086470930SIngo Molnar 23186470930SIngo Molnar return 0; 23286470930SIngo Molnar } 23386470930SIngo Molnar 2348b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2354979d0c7SJiri Olsa union perf_event *event, 2364979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2374979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2384979d0c7SJiri Olsa { 2398b99b1a4SJiri Olsa if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { 2408b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2418b99b1a4SJiri Olsa return -1; 2428b99b1a4SJiri Olsa } 2438b99b1a4SJiri Olsa 2448b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2458b99b1a4SJiri Olsa return 0; 2464979d0c7SJiri Olsa } 2474979d0c7SJiri Olsa 2481975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 2497aad0c32SJiri Olsa { 2501975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 2517aad0c32SJiri Olsa process_synthesized_event, 2527aad0c32SJiri Olsa NULL); 2537aad0c32SJiri Olsa } 2547aad0c32SJiri Olsa 2557aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2567aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2577aad0c32SJiri Olsa 2585a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 2595a6ea81bSJiri Olsa 2605a6ea81bSJiri Olsa static int 2615a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 2625a6ea81bSJiri Olsa struct perf_counts_values *count) 2635a6ea81bSJiri Olsa { 2645a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2655a6ea81bSJiri Olsa 2665a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2675a6ea81bSJiri Olsa process_synthesized_event, NULL); 2685a6ea81bSJiri Olsa } 2695a6ea81bSJiri Olsa 270f5b4a9c3SStephane Eranian /* 271f5b4a9c3SStephane Eranian * Read out the results of a single counter: 272f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 273f5b4a9c3SStephane Eranian */ 274c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 275f5b4a9c3SStephane Eranian { 2769bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 2779bf1a529SJiri Olsa int ncpus = perf_evsel__nr_cpus(counter); 2789bf1a529SJiri Olsa int cpu, thread; 279f5b4a9c3SStephane Eranian 2803b4331d9SSuzuki K. Poulose if (!counter->supported) 2813b4331d9SSuzuki K. Poulose return -ENOENT; 2823b4331d9SSuzuki K. Poulose 2839bf1a529SJiri Olsa if (counter->system_wide) 2849bf1a529SJiri Olsa nthreads = 1; 2859bf1a529SJiri Olsa 2869bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 2879bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 2883b3eb044SJiri Olsa struct perf_counts_values *count; 2893b3eb044SJiri Olsa 2903b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 2913b3eb044SJiri Olsa if (perf_evsel__read(counter, cpu, thread, count)) 292c52b12edSArnaldo Carvalho de Melo return -1; 2935a6ea81bSJiri Olsa 2945a6ea81bSJiri Olsa if (STAT_RECORD) { 2955a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 2965a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 2975a6ea81bSJiri Olsa return -1; 2985a6ea81bSJiri Olsa } 2995a6ea81bSJiri Olsa } 300f5b4a9c3SStephane Eranian } 3019bf1a529SJiri Olsa } 302c52b12edSArnaldo Carvalho de Melo 303c52b12edSArnaldo Carvalho de Melo return 0; 30486470930SIngo Molnar } 30586470930SIngo Molnar 3065fc472a6SJiri Olsa static void read_counters(bool close_counters) 307106a94a0SJiri Olsa { 308106a94a0SJiri Olsa struct perf_evsel *counter; 309106a94a0SJiri Olsa 310106a94a0SJiri Olsa evlist__for_each(evsel_list, counter) { 3113b3eb044SJiri Olsa if (read_counter(counter)) 312245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3133b3eb044SJiri Olsa 314f80010ebSJiri Olsa if (perf_stat_process_counter(&stat_config, counter)) 3153b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 316106a94a0SJiri Olsa 3175fc472a6SJiri Olsa if (close_counters) { 318106a94a0SJiri Olsa perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 319106a94a0SJiri Olsa thread_map__nr(evsel_list->threads)); 320106a94a0SJiri Olsa } 321106a94a0SJiri Olsa } 322106a94a0SJiri Olsa } 323106a94a0SJiri Olsa 324ba411a95SJiri Olsa static void process_interval(void) 32513370a9bSStephane Eranian { 32613370a9bSStephane Eranian struct timespec ts, rs; 32713370a9bSStephane Eranian 328106a94a0SJiri Olsa read_counters(false); 32986ee6e18SStephane Eranian 33013370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 33113370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 33213370a9bSStephane Eranian 3337aad0c32SJiri Olsa if (STAT_RECORD) { 3347aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSECS_PER_SEC + rs.tv_nsec, INTERVAL)) 3357aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 3367aad0c32SJiri Olsa } 3377aad0c32SJiri Olsa 338d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 33913370a9bSStephane Eranian } 34013370a9bSStephane Eranian 34167ccdecdSJiri Olsa static void enable_counters(void) 34241191688SAndi Kleen { 34367ccdecdSJiri Olsa if (initial_delay) 34441191688SAndi Kleen usleep(initial_delay * 1000); 34567ccdecdSJiri Olsa 34667ccdecdSJiri Olsa /* 34767ccdecdSJiri Olsa * We need to enable counters only if: 34867ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 34967ccdecdSJiri Olsa * - we have initial delay configured 35067ccdecdSJiri Olsa */ 35167ccdecdSJiri Olsa if (!target__none(&target) || initial_delay) 352ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 35341191688SAndi Kleen } 35441191688SAndi Kleen 355f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 3566af206fdSArnaldo Carvalho de Melo 3576af206fdSArnaldo Carvalho de Melo /* 3586af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 3596af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 3606af206fdSArnaldo Carvalho de Melo * want_signal to true. 3616af206fdSArnaldo Carvalho de Melo */ 362f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 363f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 3646af206fdSArnaldo Carvalho de Melo { 365f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 3666af206fdSArnaldo Carvalho de Melo } 3676af206fdSArnaldo Carvalho de Melo 3687b60a7e3SJiri Olsa static bool has_unit(struct perf_evsel *counter) 3697b60a7e3SJiri Olsa { 3707b60a7e3SJiri Olsa return counter->unit && *counter->unit; 3717b60a7e3SJiri Olsa } 3727b60a7e3SJiri Olsa 3737b60a7e3SJiri Olsa static bool has_scale(struct perf_evsel *counter) 3747b60a7e3SJiri Olsa { 3757b60a7e3SJiri Olsa return counter->scale != 1; 3767b60a7e3SJiri Olsa } 3777b60a7e3SJiri Olsa 378664c98d4SJiri Olsa static int perf_stat_synthesize_config(bool is_pipe) 3798b99b1a4SJiri Olsa { 3807b60a7e3SJiri Olsa struct perf_evsel *counter; 3818b99b1a4SJiri Olsa int err; 3828b99b1a4SJiri Olsa 383664c98d4SJiri Olsa if (is_pipe) { 384664c98d4SJiri Olsa err = perf_event__synthesize_attrs(NULL, perf_stat.session, 385664c98d4SJiri Olsa process_synthesized_event); 386664c98d4SJiri Olsa if (err < 0) { 387664c98d4SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 388664c98d4SJiri Olsa return err; 389664c98d4SJiri Olsa } 390664c98d4SJiri Olsa } 391664c98d4SJiri Olsa 3927b60a7e3SJiri Olsa /* 3937b60a7e3SJiri Olsa * Synthesize other events stuff not carried within 3947b60a7e3SJiri Olsa * attr event - unit, scale, name 3957b60a7e3SJiri Olsa */ 3967b60a7e3SJiri Olsa evlist__for_each(evsel_list, counter) { 3977b60a7e3SJiri Olsa if (!counter->supported) 3987b60a7e3SJiri Olsa continue; 3997b60a7e3SJiri Olsa 4007b60a7e3SJiri Olsa /* 4017b60a7e3SJiri Olsa * Synthesize unit and scale only if it's defined. 4027b60a7e3SJiri Olsa */ 4037b60a7e3SJiri Olsa if (has_unit(counter)) { 4047b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); 4057b60a7e3SJiri Olsa if (err < 0) { 4067b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel unit.\n"); 4077b60a7e3SJiri Olsa return err; 4087b60a7e3SJiri Olsa } 4097b60a7e3SJiri Olsa } 4107b60a7e3SJiri Olsa 4117b60a7e3SJiri Olsa if (has_scale(counter)) { 4127b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); 4137b60a7e3SJiri Olsa if (err < 0) { 4147b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 4157b60a7e3SJiri Olsa return err; 4167b60a7e3SJiri Olsa } 4177b60a7e3SJiri Olsa } 4187b60a7e3SJiri Olsa 4197b60a7e3SJiri Olsa if (counter->own_cpus) { 4207b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); 4217b60a7e3SJiri Olsa if (err < 0) { 4227b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 4237b60a7e3SJiri Olsa return err; 4247b60a7e3SJiri Olsa } 4257b60a7e3SJiri Olsa } 4267b60a7e3SJiri Olsa 4277b60a7e3SJiri Olsa /* 4287b60a7e3SJiri Olsa * Name is needed only for pipe output, 4297b60a7e3SJiri Olsa * perf.data carries event names. 4307b60a7e3SJiri Olsa */ 4317b60a7e3SJiri Olsa if (is_pipe) { 4327b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); 4337b60a7e3SJiri Olsa if (err < 0) { 4347b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel name.\n"); 4357b60a7e3SJiri Olsa return err; 4367b60a7e3SJiri Olsa } 4377b60a7e3SJiri Olsa } 4387b60a7e3SJiri Olsa } 4397b60a7e3SJiri Olsa 4408b99b1a4SJiri Olsa err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, 4418b99b1a4SJiri Olsa process_synthesized_event, 4428b99b1a4SJiri Olsa NULL); 4438b99b1a4SJiri Olsa if (err < 0) { 4448b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4458b99b1a4SJiri Olsa return err; 4468b99b1a4SJiri Olsa } 4478b99b1a4SJiri Olsa 4488b99b1a4SJiri Olsa err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, 4498b99b1a4SJiri Olsa process_synthesized_event, NULL); 4508b99b1a4SJiri Olsa if (err < 0) { 4518b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4528b99b1a4SJiri Olsa return err; 4538b99b1a4SJiri Olsa } 4548b99b1a4SJiri Olsa 4558b99b1a4SJiri Olsa err = perf_event__synthesize_stat_config(NULL, &stat_config, 4568b99b1a4SJiri Olsa process_synthesized_event, NULL); 4578b99b1a4SJiri Olsa if (err < 0) { 4588b99b1a4SJiri Olsa pr_err("Couldn't synthesize config.\n"); 4598b99b1a4SJiri Olsa return err; 4608b99b1a4SJiri Olsa } 4618b99b1a4SJiri Olsa 4628b99b1a4SJiri Olsa return 0; 4638b99b1a4SJiri Olsa } 4648b99b1a4SJiri Olsa 4652af4646dSJiri Olsa #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 4662af4646dSJiri Olsa 4672af4646dSJiri Olsa static int __store_counter_ids(struct perf_evsel *counter, 4682af4646dSJiri Olsa struct cpu_map *cpus, 4692af4646dSJiri Olsa struct thread_map *threads) 4702af4646dSJiri Olsa { 4712af4646dSJiri Olsa int cpu, thread; 4722af4646dSJiri Olsa 4732af4646dSJiri Olsa for (cpu = 0; cpu < cpus->nr; cpu++) { 4742af4646dSJiri Olsa for (thread = 0; thread < threads->nr; thread++) { 4752af4646dSJiri Olsa int fd = FD(counter, cpu, thread); 4762af4646dSJiri Olsa 4772af4646dSJiri Olsa if (perf_evlist__id_add_fd(evsel_list, counter, 4782af4646dSJiri Olsa cpu, thread, fd) < 0) 4792af4646dSJiri Olsa return -1; 4802af4646dSJiri Olsa } 4812af4646dSJiri Olsa } 4822af4646dSJiri Olsa 4832af4646dSJiri Olsa return 0; 4842af4646dSJiri Olsa } 4852af4646dSJiri Olsa 4862af4646dSJiri Olsa static int store_counter_ids(struct perf_evsel *counter) 4872af4646dSJiri Olsa { 4882af4646dSJiri Olsa struct cpu_map *cpus = counter->cpus; 4892af4646dSJiri Olsa struct thread_map *threads = counter->threads; 4902af4646dSJiri Olsa 4912af4646dSJiri Olsa if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) 4922af4646dSJiri Olsa return -ENOMEM; 4932af4646dSJiri Olsa 4942af4646dSJiri Olsa return __store_counter_ids(counter, cpus, threads); 4952af4646dSJiri Olsa } 4962af4646dSJiri Olsa 497acf28922SNamhyung Kim static int __run_perf_stat(int argc, const char **argv) 49886470930SIngo Molnar { 499ec0d3d1fSJiri Olsa int interval = stat_config.interval; 50056e52e85SArnaldo Carvalho de Melo char msg[512]; 50186470930SIngo Molnar unsigned long long t0, t1; 502cac21425SJiri Olsa struct perf_evsel *counter; 50313370a9bSStephane Eranian struct timespec ts; 504410136f5SStephane Eranian size_t l; 50542202dd5SIngo Molnar int status = 0; 5066be2850eSZhang, Yanmin const bool forks = (argc > 0); 507664c98d4SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; 50886470930SIngo Molnar 50913370a9bSStephane Eranian if (interval) { 51013370a9bSStephane Eranian ts.tv_sec = interval / 1000; 51113370a9bSStephane Eranian ts.tv_nsec = (interval % 1000) * 1000000; 51213370a9bSStephane Eranian } else { 51313370a9bSStephane Eranian ts.tv_sec = 1; 51413370a9bSStephane Eranian ts.tv_nsec = 0; 51513370a9bSStephane Eranian } 51613370a9bSStephane Eranian 517acf28922SNamhyung Kim if (forks) { 518664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 519735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 520acf28922SNamhyung Kim perror("failed to prepare workload"); 521fceda7feSDavid Ahern return -1; 522051ae7f7SPaul Mackerras } 523d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 52460666c63SLiming Wang } 525051ae7f7SPaul Mackerras 5266a4bb04cSJiri Olsa if (group) 52763dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 5286a4bb04cSJiri Olsa 5290050f7aaSArnaldo Carvalho de Melo evlist__for_each(evsel_list, counter) { 530cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 531979987a5SDavid Ahern /* 532979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 533979987a5SDavid Ahern * (behavior changed with commit b0a873e). 534979987a5SDavid Ahern */ 53538f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 536979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 537979987a5SDavid Ahern errno == ENXIO) { 538c63ca0c0SDavid Ahern if (verbose) 539c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 5407289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 5412cee77c4SDavid Ahern counter->supported = false; 542cb5ef600SKan Liang 543cb5ef600SKan Liang if ((counter->leader != counter) || 544cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 545ede70290SIngo Molnar continue; 546c63ca0c0SDavid Ahern } 547ede70290SIngo Molnar 54856e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 54956e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 55056e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 55156e52e85SArnaldo Carvalho de Melo 552084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 553084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 554fceda7feSDavid Ahern 555084ab9f8SArnaldo Carvalho de Melo return -1; 556084ab9f8SArnaldo Carvalho de Melo } 5572cee77c4SDavid Ahern counter->supported = true; 558410136f5SStephane Eranian 559410136f5SStephane Eranian l = strlen(counter->unit); 560410136f5SStephane Eranian if (l > unit_width) 561410136f5SStephane Eranian unit_width = l; 5622af4646dSJiri Olsa 5632af4646dSJiri Olsa if (STAT_RECORD && store_counter_ids(counter)) 5642af4646dSJiri Olsa return -1; 56548290609SArnaldo Carvalho de Melo } 56686470930SIngo Molnar 56723d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 56823d4aad4SArnaldo Carvalho de Melo error("failed to set filter \"%s\" on event %s with %d (%s)\n", 56923d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 570759e612bSMasami Hiramatsu strerror_r(errno, msg, sizeof(msg))); 571cfd748aeSFrederic Weisbecker return -1; 572cfd748aeSFrederic Weisbecker } 573cfd748aeSFrederic Weisbecker 5744979d0c7SJiri Olsa if (STAT_RECORD) { 5754979d0c7SJiri Olsa int err, fd = perf_data_file__fd(&perf_stat.file); 5764979d0c7SJiri Olsa 577664c98d4SJiri Olsa if (is_pipe) { 578664c98d4SJiri Olsa err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); 579664c98d4SJiri Olsa } else { 5804979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 5814979d0c7SJiri Olsa fd, false); 582664c98d4SJiri Olsa } 583664c98d4SJiri Olsa 5844979d0c7SJiri Olsa if (err < 0) 5854979d0c7SJiri Olsa return err; 5868b99b1a4SJiri Olsa 587664c98d4SJiri Olsa err = perf_stat_synthesize_config(is_pipe); 5888b99b1a4SJiri Olsa if (err < 0) 5898b99b1a4SJiri Olsa return err; 5904979d0c7SJiri Olsa } 5914979d0c7SJiri Olsa 59286470930SIngo Molnar /* 59386470930SIngo Molnar * Enable counters and exec the command: 59486470930SIngo Molnar */ 59586470930SIngo Molnar t0 = rdclock(); 59613370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 59786470930SIngo Molnar 59860666c63SLiming Wang if (forks) { 599acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 60067ccdecdSJiri Olsa enable_counters(); 601acf28922SNamhyung Kim 60213370a9bSStephane Eranian if (interval) { 60313370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 60413370a9bSStephane Eranian nanosleep(&ts, NULL); 605ba411a95SJiri Olsa process_interval(); 60613370a9bSStephane Eranian } 60713370a9bSStephane Eranian } 60842202dd5SIngo Molnar wait(&status); 6096af206fdSArnaldo Carvalho de Melo 610f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 611f33cbe72SArnaldo Carvalho de Melo const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); 612f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 6136af206fdSArnaldo Carvalho de Melo return -1; 614f33cbe72SArnaldo Carvalho de Melo } 6156af206fdSArnaldo Carvalho de Melo 61633e49ea7SAndi Kleen if (WIFSIGNALED(status)) 61733e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 61860666c63SLiming Wang } else { 61967ccdecdSJiri Olsa enable_counters(); 62013370a9bSStephane Eranian while (!done) { 62113370a9bSStephane Eranian nanosleep(&ts, NULL); 62213370a9bSStephane Eranian if (interval) 623ba411a95SJiri Olsa process_interval(); 62413370a9bSStephane Eranian } 62560666c63SLiming Wang } 62686470930SIngo Molnar 62786470930SIngo Molnar t1 = rdclock(); 62886470930SIngo Molnar 6299e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 63042202dd5SIngo Molnar 631106a94a0SJiri Olsa read_counters(true); 632c52b12edSArnaldo Carvalho de Melo 63342202dd5SIngo Molnar return WEXITSTATUS(status); 63442202dd5SIngo Molnar } 63542202dd5SIngo Molnar 63641cde476SArnaldo Carvalho de Melo static int run_perf_stat(int argc, const char **argv) 6371f16c575SPeter Zijlstra { 6381f16c575SPeter Zijlstra int ret; 6391f16c575SPeter Zijlstra 6401f16c575SPeter Zijlstra if (pre_cmd) { 6411f16c575SPeter Zijlstra ret = system(pre_cmd); 6421f16c575SPeter Zijlstra if (ret) 6431f16c575SPeter Zijlstra return ret; 6441f16c575SPeter Zijlstra } 6451f16c575SPeter Zijlstra 6461f16c575SPeter Zijlstra if (sync_run) 6471f16c575SPeter Zijlstra sync(); 6481f16c575SPeter Zijlstra 6491f16c575SPeter Zijlstra ret = __run_perf_stat(argc, argv); 6501f16c575SPeter Zijlstra if (ret) 6511f16c575SPeter Zijlstra return ret; 6521f16c575SPeter Zijlstra 6531f16c575SPeter Zijlstra if (post_cmd) { 6541f16c575SPeter Zijlstra ret = system(post_cmd); 6551f16c575SPeter Zijlstra if (ret) 6561f16c575SPeter Zijlstra return ret; 6571f16c575SPeter Zijlstra } 6581f16c575SPeter Zijlstra 6591f16c575SPeter Zijlstra return ret; 6601f16c575SPeter Zijlstra } 6611f16c575SPeter Zijlstra 662d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 663d73515c0SAndi Kleen { 664d73515c0SAndi Kleen if (csv_output) { 6655821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 666d73515c0SAndi Kleen csv_sep, 667d73515c0SAndi Kleen run, 668d73515c0SAndi Kleen csv_sep, 669d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 670d73515c0SAndi Kleen } else if (run != ena) { 6715821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 672d73515c0SAndi Kleen } 673d73515c0SAndi Kleen } 674d73515c0SAndi Kleen 675f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 676f99844cbSIngo Molnar { 6770007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 678f99844cbSIngo Molnar 6793ae9a34dSZhengyu He if (csv_output) 6805821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 681a1bca6ccSJim Cromie else if (pct) 6825821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 683f99844cbSIngo Molnar } 684f99844cbSIngo Molnar 68569aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 68642202dd5SIngo Molnar { 687581cc8a2SJiri Olsa struct perf_stat_evsel *ps; 68869aad6f1SArnaldo Carvalho de Melo 689849abde9SPeter Zijlstra if (run_count == 1) 690849abde9SPeter Zijlstra return; 691849abde9SPeter Zijlstra 69269aad6f1SArnaldo Carvalho de Melo ps = evsel->priv; 693f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 69442202dd5SIngo Molnar } 69542202dd5SIngo Molnar 69612c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 69742202dd5SIngo Molnar { 698421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 69912c08a9fSStephane Eranian case AGGR_CORE: 7005821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 70112c08a9fSStephane Eranian cpu_map__id_to_socket(id), 70212c08a9fSStephane Eranian csv_output ? 0 : -8, 70312c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 70412c08a9fSStephane Eranian csv_sep, 70512c08a9fSStephane Eranian csv_output ? 0 : 4, 70612c08a9fSStephane Eranian nr, 70712c08a9fSStephane Eranian csv_sep); 70812c08a9fSStephane Eranian break; 70986ee6e18SStephane Eranian case AGGR_SOCKET: 7105821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 711d7e7a451SStephane Eranian csv_output ? 0 : -5, 71212c08a9fSStephane Eranian id, 713d7e7a451SStephane Eranian csv_sep, 714d7e7a451SStephane Eranian csv_output ? 0 : 4, 715d7e7a451SStephane Eranian nr, 716d7e7a451SStephane Eranian csv_sep); 71786ee6e18SStephane Eranian break; 71886ee6e18SStephane Eranian case AGGR_NONE: 7195821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 720d7470b6aSStephane Eranian csv_output ? 0 : -4, 72112c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 72286ee6e18SStephane Eranian break; 72332b8af82SJiri Olsa case AGGR_THREAD: 7245821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 72532b8af82SJiri Olsa csv_output ? 0 : 16, 72632b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 72732b8af82SJiri Olsa csv_output ? 0 : -8, 72832b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 72932b8af82SJiri Olsa csv_sep); 73032b8af82SJiri Olsa break; 73186ee6e18SStephane Eranian case AGGR_GLOBAL: 732208df99eSJiri Olsa case AGGR_UNSET: 73386ee6e18SStephane Eranian default: 73486ee6e18SStephane Eranian break; 73586ee6e18SStephane Eranian } 73686ee6e18SStephane Eranian } 737d7470b6aSStephane Eranian 738140aeadcSAndi Kleen struct outstate { 739140aeadcSAndi Kleen FILE *fh; 740140aeadcSAndi Kleen bool newline; 741f9483392SAndi Kleen const char *prefix; 74292a61f64SAndi Kleen int nfields; 74344d49a60SAndi Kleen int id, nr; 74444d49a60SAndi Kleen struct perf_evsel *evsel; 745140aeadcSAndi Kleen }; 746140aeadcSAndi Kleen 747140aeadcSAndi Kleen #define METRIC_LEN 35 748140aeadcSAndi Kleen 749140aeadcSAndi Kleen static void new_line_std(void *ctx) 750140aeadcSAndi Kleen { 751140aeadcSAndi Kleen struct outstate *os = ctx; 752140aeadcSAndi Kleen 753140aeadcSAndi Kleen os->newline = true; 754140aeadcSAndi Kleen } 755140aeadcSAndi Kleen 756140aeadcSAndi Kleen static void do_new_line_std(struct outstate *os) 757140aeadcSAndi Kleen { 758140aeadcSAndi Kleen fputc('\n', os->fh); 759f9483392SAndi Kleen fputs(os->prefix, os->fh); 76044d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 761140aeadcSAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 762140aeadcSAndi Kleen fprintf(os->fh, " "); 763140aeadcSAndi Kleen fprintf(os->fh, " "); 764140aeadcSAndi Kleen } 765140aeadcSAndi Kleen 766140aeadcSAndi Kleen static void print_metric_std(void *ctx, const char *color, const char *fmt, 767140aeadcSAndi Kleen const char *unit, double val) 768140aeadcSAndi Kleen { 769140aeadcSAndi Kleen struct outstate *os = ctx; 770140aeadcSAndi Kleen FILE *out = os->fh; 771140aeadcSAndi Kleen int n; 772140aeadcSAndi Kleen bool newline = os->newline; 773140aeadcSAndi Kleen 774140aeadcSAndi Kleen os->newline = false; 775140aeadcSAndi Kleen 776140aeadcSAndi Kleen if (unit == NULL || fmt == NULL) { 777140aeadcSAndi Kleen fprintf(out, "%-*s", METRIC_LEN, ""); 778140aeadcSAndi Kleen return; 779140aeadcSAndi Kleen } 780140aeadcSAndi Kleen 781140aeadcSAndi Kleen if (newline) 782140aeadcSAndi Kleen do_new_line_std(os); 783140aeadcSAndi Kleen 784140aeadcSAndi Kleen n = fprintf(out, " # "); 785140aeadcSAndi Kleen if (color) 786140aeadcSAndi Kleen n += color_fprintf(out, color, fmt, val); 787140aeadcSAndi Kleen else 788140aeadcSAndi Kleen n += fprintf(out, fmt, val); 789140aeadcSAndi Kleen fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 790140aeadcSAndi Kleen } 791140aeadcSAndi Kleen 79292a61f64SAndi Kleen static void new_line_csv(void *ctx) 79392a61f64SAndi Kleen { 79492a61f64SAndi Kleen struct outstate *os = ctx; 79592a61f64SAndi Kleen int i; 79692a61f64SAndi Kleen 79792a61f64SAndi Kleen fputc('\n', os->fh); 79892a61f64SAndi Kleen if (os->prefix) 79992a61f64SAndi Kleen fprintf(os->fh, "%s%s", os->prefix, csv_sep); 80044d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 80192a61f64SAndi Kleen for (i = 0; i < os->nfields; i++) 80292a61f64SAndi Kleen fputs(csv_sep, os->fh); 80392a61f64SAndi Kleen } 80492a61f64SAndi Kleen 80592a61f64SAndi Kleen static void print_metric_csv(void *ctx, 80692a61f64SAndi Kleen const char *color __maybe_unused, 80792a61f64SAndi Kleen const char *fmt, const char *unit, double val) 80892a61f64SAndi Kleen { 80992a61f64SAndi Kleen struct outstate *os = ctx; 81092a61f64SAndi Kleen FILE *out = os->fh; 81192a61f64SAndi Kleen char buf[64], *vals, *ends; 81292a61f64SAndi Kleen 81392a61f64SAndi Kleen if (unit == NULL || fmt == NULL) { 81492a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep); 81592a61f64SAndi Kleen return; 81692a61f64SAndi Kleen } 81792a61f64SAndi Kleen snprintf(buf, sizeof(buf), fmt, val); 81892a61f64SAndi Kleen vals = buf; 81992a61f64SAndi Kleen while (isspace(*vals)) 82092a61f64SAndi Kleen vals++; 82192a61f64SAndi Kleen ends = vals; 82292a61f64SAndi Kleen while (isdigit(*ends) || *ends == '.') 82392a61f64SAndi Kleen ends++; 82492a61f64SAndi Kleen *ends = 0; 82592a61f64SAndi Kleen while (isspace(*unit)) 82692a61f64SAndi Kleen unit++; 82792a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); 82892a61f64SAndi Kleen } 82992a61f64SAndi Kleen 830da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 83186ee6e18SStephane Eranian { 8325821522eSJiri Olsa FILE *output = stat_config.output; 83386ee6e18SStephane Eranian double msecs = avg / 1e6; 834410136f5SStephane Eranian const char *fmt_v, *fmt_n; 8354bbe5a61SDavid Ahern char name[25]; 83686ee6e18SStephane Eranian 837410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 838410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 839410136f5SStephane Eranian 840da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 84186ee6e18SStephane Eranian 8424bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 8434bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 844410136f5SStephane Eranian 845410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 846410136f5SStephane Eranian 847410136f5SStephane Eranian if (csv_output) 848410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 849410136f5SStephane Eranian else 850410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 851410136f5SStephane Eranian 852410136f5SStephane Eranian fprintf(output, fmt_n, name); 853d7470b6aSStephane Eranian 854023695d9SStephane Eranian if (evsel->cgrp) 8554aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 85642202dd5SIngo Molnar } 85742202dd5SIngo Molnar 85844d49a60SAndi Kleen static int first_shadow_cpu(struct perf_evsel *evsel, int id) 85944d49a60SAndi Kleen { 86044d49a60SAndi Kleen int i; 86144d49a60SAndi Kleen 86244d49a60SAndi Kleen if (!aggr_get_id) 86344d49a60SAndi Kleen return 0; 86444d49a60SAndi Kleen 86544d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 86644d49a60SAndi Kleen return id; 86744d49a60SAndi Kleen 86844d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL) 86944d49a60SAndi Kleen return 0; 87044d49a60SAndi Kleen 87144d49a60SAndi Kleen for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { 87244d49a60SAndi Kleen int cpu2 = perf_evsel__cpus(evsel)->map[i]; 87344d49a60SAndi Kleen 87444d49a60SAndi Kleen if (aggr_get_id(evsel_list->cpus, cpu2) == id) 87544d49a60SAndi Kleen return cpu2; 87644d49a60SAndi Kleen } 87744d49a60SAndi Kleen return 0; 87844d49a60SAndi Kleen } 87944d49a60SAndi Kleen 880556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 881556b1fb7SJiri Olsa { 8825821522eSJiri Olsa FILE *output = stat_config.output; 883556b1fb7SJiri Olsa double sc = evsel->scale; 884556b1fb7SJiri Olsa const char *fmt; 885556b1fb7SJiri Olsa 886556b1fb7SJiri Olsa if (csv_output) { 887556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; 888556b1fb7SJiri Olsa } else { 889556b1fb7SJiri Olsa if (big_num) 890556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; 891556b1fb7SJiri Olsa else 892556b1fb7SJiri Olsa fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; 893556b1fb7SJiri Olsa } 894556b1fb7SJiri Olsa 895556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 896556b1fb7SJiri Olsa 897556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 898556b1fb7SJiri Olsa 899556b1fb7SJiri Olsa if (evsel->unit) 900556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 901556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 902556b1fb7SJiri Olsa evsel->unit, csv_sep); 903556b1fb7SJiri Olsa 904556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 905556b1fb7SJiri Olsa 906556b1fb7SJiri Olsa if (evsel->cgrp) 907556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 908eedfcb4bSAndi Kleen } 909556b1fb7SJiri Olsa 910f9483392SAndi Kleen static void printout(int id, int nr, struct perf_evsel *counter, double uval, 911cb110f47SAndi Kleen char *prefix, u64 run, u64 ena, double noise) 912eedfcb4bSAndi Kleen { 913140aeadcSAndi Kleen struct perf_stat_output_ctx out; 914f9483392SAndi Kleen struct outstate os = { 915f9483392SAndi Kleen .fh = stat_config.output, 91644d49a60SAndi Kleen .prefix = prefix ? prefix : "", 91744d49a60SAndi Kleen .id = id, 91844d49a60SAndi Kleen .nr = nr, 91944d49a60SAndi Kleen .evsel = counter, 920f9483392SAndi Kleen }; 921140aeadcSAndi Kleen print_metric_t pm = print_metric_std; 922140aeadcSAndi Kleen void (*nl)(void *); 923556b1fb7SJiri Olsa 924140aeadcSAndi Kleen nl = new_line_std; 925eedfcb4bSAndi Kleen 92692a61f64SAndi Kleen if (csv_output) { 92792a61f64SAndi Kleen static int aggr_fields[] = { 92892a61f64SAndi Kleen [AGGR_GLOBAL] = 0, 92992a61f64SAndi Kleen [AGGR_THREAD] = 1, 93092a61f64SAndi Kleen [AGGR_NONE] = 1, 93192a61f64SAndi Kleen [AGGR_SOCKET] = 2, 93292a61f64SAndi Kleen [AGGR_CORE] = 2, 93392a61f64SAndi Kleen }; 93492a61f64SAndi Kleen 93592a61f64SAndi Kleen pm = print_metric_csv; 93692a61f64SAndi Kleen nl = new_line_csv; 93792a61f64SAndi Kleen os.nfields = 3; 93892a61f64SAndi Kleen os.nfields += aggr_fields[stat_config.aggr_mode]; 93992a61f64SAndi Kleen if (counter->cgrp) 94092a61f64SAndi Kleen os.nfields++; 94192a61f64SAndi Kleen } 942b002f3bbSAndi Kleen if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 943cb110f47SAndi Kleen aggr_printout(counter, id, nr); 944cb110f47SAndi Kleen 945cb110f47SAndi Kleen fprintf(stat_config.output, "%*s%s", 946cb110f47SAndi Kleen csv_output ? 0 : 18, 947cb110f47SAndi Kleen counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 948cb110f47SAndi Kleen csv_sep); 949cb110f47SAndi Kleen 950cb110f47SAndi Kleen fprintf(stat_config.output, "%-*s%s", 951cb110f47SAndi Kleen csv_output ? 0 : unit_width, 952cb110f47SAndi Kleen counter->unit, csv_sep); 953cb110f47SAndi Kleen 954cb110f47SAndi Kleen fprintf(stat_config.output, "%*s", 955cb110f47SAndi Kleen csv_output ? 0 : -25, 956cb110f47SAndi Kleen perf_evsel__name(counter)); 957cb110f47SAndi Kleen 958cb110f47SAndi Kleen if (counter->cgrp) 959cb110f47SAndi Kleen fprintf(stat_config.output, "%s%s", 960cb110f47SAndi Kleen csv_sep, counter->cgrp->name); 961cb110f47SAndi Kleen 96292a61f64SAndi Kleen if (!csv_output) 96392a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 96492a61f64SAndi Kleen print_noise(counter, noise); 965cb110f47SAndi Kleen print_running(run, ena); 96692a61f64SAndi Kleen if (csv_output) 96792a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 968cb110f47SAndi Kleen return; 969cb110f47SAndi Kleen } 970cb110f47SAndi Kleen 971eedfcb4bSAndi Kleen if (nsec_counter(counter)) 972eedfcb4bSAndi Kleen nsec_printout(id, nr, counter, uval); 973eedfcb4bSAndi Kleen else 974eedfcb4bSAndi Kleen abs_printout(id, nr, counter, uval); 975eedfcb4bSAndi Kleen 976140aeadcSAndi Kleen out.print_metric = pm; 977140aeadcSAndi Kleen out.new_line = nl; 978140aeadcSAndi Kleen out.ctx = &os; 979140aeadcSAndi Kleen 98092a61f64SAndi Kleen if (csv_output) { 98192a61f64SAndi Kleen print_noise(counter, noise); 98292a61f64SAndi Kleen print_running(run, ena); 98392a61f64SAndi Kleen } 98492a61f64SAndi Kleen 985140aeadcSAndi Kleen perf_stat__print_shadow_stats(counter, uval, 98644d49a60SAndi Kleen first_shadow_cpu(counter, id), 987140aeadcSAndi Kleen &out); 98892a61f64SAndi Kleen if (!csv_output) { 989cb110f47SAndi Kleen print_noise(counter, noise); 990cb110f47SAndi Kleen print_running(run, ena); 991556b1fb7SJiri Olsa } 99292a61f64SAndi Kleen } 993556b1fb7SJiri Olsa 99444d49a60SAndi Kleen static void aggr_update_shadow(void) 99544d49a60SAndi Kleen { 99644d49a60SAndi Kleen int cpu, s2, id, s; 99744d49a60SAndi Kleen u64 val; 99844d49a60SAndi Kleen struct perf_evsel *counter; 99944d49a60SAndi Kleen 100044d49a60SAndi Kleen for (s = 0; s < aggr_map->nr; s++) { 100144d49a60SAndi Kleen id = aggr_map->map[s]; 100244d49a60SAndi Kleen evlist__for_each(evsel_list, counter) { 100344d49a60SAndi Kleen val = 0; 100444d49a60SAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 100544d49a60SAndi Kleen s2 = aggr_get_id(evsel_list->cpus, cpu); 100644d49a60SAndi Kleen if (s2 != id) 100744d49a60SAndi Kleen continue; 100844d49a60SAndi Kleen val += perf_counts(counter->counts, cpu, 0)->val; 100944d49a60SAndi Kleen } 101044d49a60SAndi Kleen val = val * counter->scale; 101144d49a60SAndi Kleen perf_stat__update_shadow_stats(counter, &val, 101244d49a60SAndi Kleen first_shadow_cpu(counter, id)); 101344d49a60SAndi Kleen } 101444d49a60SAndi Kleen } 101544d49a60SAndi Kleen } 101644d49a60SAndi Kleen 101786ee6e18SStephane Eranian static void print_aggr(char *prefix) 1018d7e7a451SStephane Eranian { 10195821522eSJiri Olsa FILE *output = stat_config.output; 1020d7e7a451SStephane Eranian struct perf_evsel *counter; 1021601083cfSKan Liang int cpu, s, s2, id, nr; 1022410136f5SStephane Eranian double uval; 1023d7e7a451SStephane Eranian u64 ena, run, val; 1024d7e7a451SStephane Eranian 102586ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 1026d7e7a451SStephane Eranian return; 1027d7e7a451SStephane Eranian 102844d49a60SAndi Kleen aggr_update_shadow(); 102944d49a60SAndi Kleen 103086ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 103186ee6e18SStephane Eranian id = aggr_map->map[s]; 10320050f7aaSArnaldo Carvalho de Melo evlist__for_each(evsel_list, counter) { 1033d7e7a451SStephane Eranian val = ena = run = 0; 1034d7e7a451SStephane Eranian nr = 0; 1035d7e7a451SStephane Eranian for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1036601083cfSKan Liang s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); 103786ee6e18SStephane Eranian if (s2 != id) 1038d7e7a451SStephane Eranian continue; 1039a6fa0038SJiri Olsa val += perf_counts(counter->counts, cpu, 0)->val; 1040a6fa0038SJiri Olsa ena += perf_counts(counter->counts, cpu, 0)->ena; 1041a6fa0038SJiri Olsa run += perf_counts(counter->counts, cpu, 0)->run; 1042d7e7a451SStephane Eranian nr++; 1043d7e7a451SStephane Eranian } 1044d7e7a451SStephane Eranian if (prefix) 1045d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 1046d7e7a451SStephane Eranian 1047410136f5SStephane Eranian uval = val * counter->scale; 1048cb110f47SAndi Kleen printout(id, nr, counter, uval, prefix, run, ena, 1.0); 1049d7e7a451SStephane Eranian fputc('\n', output); 1050d7e7a451SStephane Eranian } 1051d7e7a451SStephane Eranian } 1052d7e7a451SStephane Eranian } 1053d7e7a451SStephane Eranian 105432b8af82SJiri Olsa static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 105532b8af82SJiri Olsa { 10565821522eSJiri Olsa FILE *output = stat_config.output; 105732b8af82SJiri Olsa int nthreads = thread_map__nr(counter->threads); 105832b8af82SJiri Olsa int ncpus = cpu_map__nr(counter->cpus); 105932b8af82SJiri Olsa int cpu, thread; 106032b8af82SJiri Olsa double uval; 106132b8af82SJiri Olsa 106232b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 106332b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 106432b8af82SJiri Olsa 106532b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 106632b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 106732b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 106832b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 106932b8af82SJiri Olsa } 107032b8af82SJiri Olsa 107132b8af82SJiri Olsa if (prefix) 107232b8af82SJiri Olsa fprintf(output, "%s", prefix); 107332b8af82SJiri Olsa 107432b8af82SJiri Olsa uval = val * counter->scale; 1075cb110f47SAndi Kleen printout(thread, 0, counter, uval, prefix, run, ena, 1.0); 107632b8af82SJiri Olsa fputc('\n', output); 107732b8af82SJiri Olsa } 107832b8af82SJiri Olsa } 107932b8af82SJiri Olsa 108042202dd5SIngo Molnar /* 108142202dd5SIngo Molnar * Print out the results of a single counter: 1082f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 108342202dd5SIngo Molnar */ 108413370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 108542202dd5SIngo Molnar { 10865821522eSJiri Olsa FILE *output = stat_config.output; 1087581cc8a2SJiri Olsa struct perf_stat_evsel *ps = counter->priv; 108869aad6f1SArnaldo Carvalho de Melo double avg = avg_stats(&ps->res_stats[0]); 1089410136f5SStephane Eranian double uval; 1090d73515c0SAndi Kleen double avg_enabled, avg_running; 1091d73515c0SAndi Kleen 1092d73515c0SAndi Kleen avg_enabled = avg_stats(&ps->res_stats[1]); 1093d73515c0SAndi Kleen avg_running = avg_stats(&ps->res_stats[2]); 109442202dd5SIngo Molnar 109513370a9bSStephane Eranian if (prefix) 109613370a9bSStephane Eranian fprintf(output, "%s", prefix); 109713370a9bSStephane Eranian 1098410136f5SStephane Eranian uval = avg * counter->scale; 1099cb110f47SAndi Kleen printout(-1, 0, counter, uval, prefix, avg_running, avg_enabled, avg); 11004aa9015fSStephane Eranian fprintf(output, "\n"); 110142202dd5SIngo Molnar } 110242202dd5SIngo Molnar 1103f5b4a9c3SStephane Eranian /* 1104f5b4a9c3SStephane Eranian * Print out the results of a single counter: 1105f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 1106f5b4a9c3SStephane Eranian */ 110713370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 1108f5b4a9c3SStephane Eranian { 11095821522eSJiri Olsa FILE *output = stat_config.output; 1110f5b4a9c3SStephane Eranian u64 ena, run, val; 1111410136f5SStephane Eranian double uval; 1112f5b4a9c3SStephane Eranian int cpu; 1113f5b4a9c3SStephane Eranian 11147ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1115a6fa0038SJiri Olsa val = perf_counts(counter->counts, cpu, 0)->val; 1116a6fa0038SJiri Olsa ena = perf_counts(counter->counts, cpu, 0)->ena; 1117a6fa0038SJiri Olsa run = perf_counts(counter->counts, cpu, 0)->run; 111813370a9bSStephane Eranian 111913370a9bSStephane Eranian if (prefix) 112013370a9bSStephane Eranian fprintf(output, "%s", prefix); 112113370a9bSStephane Eranian 1122410136f5SStephane Eranian uval = val * counter->scale; 1123cb110f47SAndi Kleen printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); 1124f5b4a9c3SStephane Eranian 11254aa9015fSStephane Eranian fputc('\n', output); 1126f5b4a9c3SStephane Eranian } 1127f5b4a9c3SStephane Eranian } 1128f5b4a9c3SStephane Eranian 1129d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 113042202dd5SIngo Molnar { 11315821522eSJiri Olsa FILE *output = stat_config.output; 1132d4f63a47SJiri Olsa static int num_print_interval; 1133d4f63a47SJiri Olsa 1134d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 1135d4f63a47SJiri Olsa 1136d4f63a47SJiri Olsa if (num_print_interval == 0 && !csv_output) { 1137421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1138d4f63a47SJiri Olsa case AGGR_SOCKET: 1139d4f63a47SJiri Olsa fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); 1140d4f63a47SJiri Olsa break; 1141d4f63a47SJiri Olsa case AGGR_CORE: 1142d4f63a47SJiri Olsa fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); 1143d4f63a47SJiri Olsa break; 1144d4f63a47SJiri Olsa case AGGR_NONE: 1145d4f63a47SJiri Olsa fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); 1146d4f63a47SJiri Olsa break; 114732b8af82SJiri Olsa case AGGR_THREAD: 114832b8af82SJiri Olsa fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); 114932b8af82SJiri Olsa break; 1150d4f63a47SJiri Olsa case AGGR_GLOBAL: 1151d4f63a47SJiri Olsa default: 1152d4f63a47SJiri Olsa fprintf(output, "# time counts %*s events\n", unit_width, "unit"); 1153208df99eSJiri Olsa case AGGR_UNSET: 1154208df99eSJiri Olsa break; 1155d4f63a47SJiri Olsa } 1156d4f63a47SJiri Olsa } 1157d4f63a47SJiri Olsa 1158d4f63a47SJiri Olsa if (++num_print_interval == 25) 1159d4f63a47SJiri Olsa num_print_interval = 0; 1160d4f63a47SJiri Olsa } 1161d4f63a47SJiri Olsa 1162d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 1163d4f63a47SJiri Olsa { 11645821522eSJiri Olsa FILE *output = stat_config.output; 116569aad6f1SArnaldo Carvalho de Melo int i; 116642202dd5SIngo Molnar 116786470930SIngo Molnar fflush(stdout); 116886470930SIngo Molnar 1169d7470b6aSStephane Eranian if (!csv_output) { 11704aa9015fSStephane Eranian fprintf(output, "\n"); 11714aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 117262d3b617SDavid Ahern if (target.system_wide) 117362d3b617SDavid Ahern fprintf(output, "\'system wide"); 117462d3b617SDavid Ahern else if (target.cpu_list) 117562d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 1176602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 1177ba6039b6SJiri Olsa fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1178ba6039b6SJiri Olsa for (i = 1; argv && (i < argc); i++) 11794aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 118020f946b4SNamhyung Kim } else if (target.pid) 118120f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 1182d6d901c2SZhang, Yanmin else 118320f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 118486470930SIngo Molnar 11854aa9015fSStephane Eranian fprintf(output, "\'"); 118642202dd5SIngo Molnar if (run_count > 1) 11874aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 11884aa9015fSStephane Eranian fprintf(output, ":\n\n"); 1189d7470b6aSStephane Eranian } 1190f5b4a9c3SStephane Eranian } 119186470930SIngo Molnar 1192d4f63a47SJiri Olsa static void print_footer(void) 1193d4f63a47SJiri Olsa { 11945821522eSJiri Olsa FILE *output = stat_config.output; 11955821522eSJiri Olsa 1196c3305257SIngo Molnar if (!null_run) 11974aa9015fSStephane Eranian fprintf(output, "\n"); 11984aa9015fSStephane Eranian fprintf(output, " %17.9f seconds time elapsed", 1199506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)/1e9); 1200566747e6SIngo Molnar if (run_count > 1) { 12014aa9015fSStephane Eranian fprintf(output, " "); 1202f99844cbSIngo Molnar print_noise_pct(stddev_stats(&walltime_nsecs_stats), 1203506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)); 1204566747e6SIngo Molnar } 12054aa9015fSStephane Eranian fprintf(output, "\n\n"); 120686470930SIngo Molnar } 1207d4f63a47SJiri Olsa 1208d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1209d4f63a47SJiri Olsa { 1210ec0d3d1fSJiri Olsa int interval = stat_config.interval; 1211d4f63a47SJiri Olsa struct perf_evsel *counter; 1212d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 1213d4f63a47SJiri Olsa 1214664c98d4SJiri Olsa /* Do not print anything if we record to the pipe. */ 1215664c98d4SJiri Olsa if (STAT_RECORD && perf_stat.file.is_pipe) 1216664c98d4SJiri Olsa return; 1217664c98d4SJiri Olsa 1218d4f63a47SJiri Olsa if (interval) 1219d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 1220d4f63a47SJiri Olsa else 1221d4f63a47SJiri Olsa print_header(argc, argv); 1222d4f63a47SJiri Olsa 1223421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1224d4f63a47SJiri Olsa case AGGR_CORE: 1225d4f63a47SJiri Olsa case AGGR_SOCKET: 1226d4f63a47SJiri Olsa print_aggr(prefix); 1227d4f63a47SJiri Olsa break; 122832b8af82SJiri Olsa case AGGR_THREAD: 122932b8af82SJiri Olsa evlist__for_each(evsel_list, counter) 123032b8af82SJiri Olsa print_aggr_thread(counter, prefix); 123132b8af82SJiri Olsa break; 1232d4f63a47SJiri Olsa case AGGR_GLOBAL: 1233d4f63a47SJiri Olsa evlist__for_each(evsel_list, counter) 1234d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 1235d4f63a47SJiri Olsa break; 1236d4f63a47SJiri Olsa case AGGR_NONE: 1237d4f63a47SJiri Olsa evlist__for_each(evsel_list, counter) 1238d4f63a47SJiri Olsa print_counter(counter, prefix); 1239d4f63a47SJiri Olsa break; 1240208df99eSJiri Olsa case AGGR_UNSET: 1241d4f63a47SJiri Olsa default: 1242d4f63a47SJiri Olsa break; 1243d4f63a47SJiri Olsa } 1244d4f63a47SJiri Olsa 1245d4f63a47SJiri Olsa if (!interval && !csv_output) 1246d4f63a47SJiri Olsa print_footer(); 1247d4f63a47SJiri Olsa 12485821522eSJiri Olsa fflush(stat_config.output); 1249d7470b6aSStephane Eranian } 125086470930SIngo Molnar 1251f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1252f7b7c26eSPeter Zijlstra 125386470930SIngo Molnar static void skip_signal(int signo) 125486470930SIngo Molnar { 1255ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 125660666c63SLiming Wang done = 1; 125760666c63SLiming Wang 1258f7b7c26eSPeter Zijlstra signr = signo; 1259d07f0b12SStephane Eranian /* 1260d07f0b12SStephane Eranian * render child_pid harmless 1261d07f0b12SStephane Eranian * won't send SIGTERM to a random 1262d07f0b12SStephane Eranian * process in case of race condition 1263d07f0b12SStephane Eranian * and fast PID recycling 1264d07f0b12SStephane Eranian */ 1265d07f0b12SStephane Eranian child_pid = -1; 1266f7b7c26eSPeter Zijlstra } 1267f7b7c26eSPeter Zijlstra 1268f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1269f7b7c26eSPeter Zijlstra { 1270d07f0b12SStephane Eranian sigset_t set, oset; 1271d07f0b12SStephane Eranian 1272d07f0b12SStephane Eranian /* 1273d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1274d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1275d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1276d07f0b12SStephane Eranian * process 1277d07f0b12SStephane Eranian */ 1278d07f0b12SStephane Eranian sigemptyset(&set); 1279d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1280d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1281d07f0b12SStephane Eranian 1282933da83aSChris Wilson if (child_pid != -1) 1283933da83aSChris Wilson kill(child_pid, SIGTERM); 1284933da83aSChris Wilson 1285d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1286d07f0b12SStephane Eranian 1287f7b7c26eSPeter Zijlstra if (signr == -1) 1288f7b7c26eSPeter Zijlstra return; 1289f7b7c26eSPeter Zijlstra 1290f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1291f7b7c26eSPeter Zijlstra kill(getpid(), signr); 129286470930SIngo Molnar } 129386470930SIngo Molnar 12941d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 12951d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1296d7470b6aSStephane Eranian { 1297d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1298d7470b6aSStephane Eranian return 0; 1299d7470b6aSStephane Eranian } 1300d7470b6aSStephane Eranian 1301e0547311SJiri Olsa static const struct option stat_options[] = { 1302e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 1303e0547311SJiri Olsa "hardware transaction statistics"), 1304e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 1305e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 1306e0547311SJiri Olsa parse_events_option), 1307e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 1308e0547311SJiri Olsa "event filter", parse_filter), 1309e0547311SJiri Olsa OPT_BOOLEAN('i', "no-inherit", &no_inherit, 1310e0547311SJiri Olsa "child tasks do not inherit counters"), 1311e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 1312e0547311SJiri Olsa "stat events on existing process id"), 1313e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 1314e0547311SJiri Olsa "stat events on existing thread id"), 1315e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 1316e0547311SJiri Olsa "system-wide collection from all CPUs"), 1317e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 1318e0547311SJiri Olsa "put the counters into a counter group"), 1319e0547311SJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 1320e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 1321e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 1322e0547311SJiri Olsa OPT_INTEGER('r', "repeat", &run_count, 1323e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 1324e0547311SJiri Olsa OPT_BOOLEAN('n', "null", &null_run, 1325e0547311SJiri Olsa "null run - dont start any counters"), 1326e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 1327e0547311SJiri Olsa "detailed run - start a lot of events"), 1328e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 1329e0547311SJiri Olsa "call sync() before starting a run"), 1330e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 1331e0547311SJiri Olsa "print large numbers with thousands\' separators", 1332e0547311SJiri Olsa stat__set_big_num), 1333e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 1334e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 1335e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 1336e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1337e0547311SJiri Olsa OPT_STRING('x', "field-separator", &csv_sep, "separator", 1338e0547311SJiri Olsa "print counts with custom separator"), 1339e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 1340e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 1341e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 1342e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 1343e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 1344e0547311SJiri Olsa "log output to fd, instead of stderr"), 1345e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 1346e0547311SJiri Olsa "command to run prior to the measured command"), 1347e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 1348e0547311SJiri Olsa "command to run after to the measured command"), 1349e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 1350e0547311SJiri Olsa "print counts at regular interval in ms (>= 10)"), 1351e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 1352e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1353e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 1354e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 1355e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 1356e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 1357e0547311SJiri Olsa OPT_UINTEGER('D', "delay", &initial_delay, 1358e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 1359e0547311SJiri Olsa OPT_END() 1360e0547311SJiri Olsa }; 1361e0547311SJiri Olsa 13621fe7a300SJiri Olsa static int perf_stat__get_socket(struct cpu_map *map, int cpu) 13631fe7a300SJiri Olsa { 13641fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 13651fe7a300SJiri Olsa } 13661fe7a300SJiri Olsa 13671fe7a300SJiri Olsa static int perf_stat__get_core(struct cpu_map *map, int cpu) 13681fe7a300SJiri Olsa { 13691fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 13701fe7a300SJiri Olsa } 13711fe7a300SJiri Olsa 13721e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 13731e5a2931SJiri Olsa { 13741e5a2931SJiri Olsa int i, max = -1; 13751e5a2931SJiri Olsa 13761e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 13771e5a2931SJiri Olsa if (map->map[i] > max) 13781e5a2931SJiri Olsa max = map->map[i]; 13791e5a2931SJiri Olsa } 13801e5a2931SJiri Olsa 13811e5a2931SJiri Olsa return max; 13821e5a2931SJiri Olsa } 13831e5a2931SJiri Olsa 13841e5a2931SJiri Olsa static struct cpu_map *cpus_aggr_map; 13851e5a2931SJiri Olsa 13861e5a2931SJiri Olsa static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) 13871e5a2931SJiri Olsa { 13881e5a2931SJiri Olsa int cpu; 13891e5a2931SJiri Olsa 13901e5a2931SJiri Olsa if (idx >= map->nr) 13911e5a2931SJiri Olsa return -1; 13921e5a2931SJiri Olsa 13931e5a2931SJiri Olsa cpu = map->map[idx]; 13941e5a2931SJiri Olsa 13951e5a2931SJiri Olsa if (cpus_aggr_map->map[cpu] == -1) 13961e5a2931SJiri Olsa cpus_aggr_map->map[cpu] = get_id(map, idx); 13971e5a2931SJiri Olsa 13981e5a2931SJiri Olsa return cpus_aggr_map->map[cpu]; 13991e5a2931SJiri Olsa } 14001e5a2931SJiri Olsa 14011e5a2931SJiri Olsa static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) 14021e5a2931SJiri Olsa { 14031e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_socket, map, idx); 14041e5a2931SJiri Olsa } 14051e5a2931SJiri Olsa 14061e5a2931SJiri Olsa static int perf_stat__get_core_cached(struct cpu_map *map, int idx) 14071e5a2931SJiri Olsa { 14081e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_core, map, idx); 14091e5a2931SJiri Olsa } 14101e5a2931SJiri Olsa 141186ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 141286ee6e18SStephane Eranian { 14131e5a2931SJiri Olsa int nr; 14141e5a2931SJiri Olsa 1415421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 141686ee6e18SStephane Eranian case AGGR_SOCKET: 141786ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 141886ee6e18SStephane Eranian perror("cannot build socket map"); 141986ee6e18SStephane Eranian return -1; 142086ee6e18SStephane Eranian } 14211e5a2931SJiri Olsa aggr_get_id = perf_stat__get_socket_cached; 142286ee6e18SStephane Eranian break; 142312c08a9fSStephane Eranian case AGGR_CORE: 142412c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 142512c08a9fSStephane Eranian perror("cannot build core map"); 142612c08a9fSStephane Eranian return -1; 142712c08a9fSStephane Eranian } 14281e5a2931SJiri Olsa aggr_get_id = perf_stat__get_core_cached; 142912c08a9fSStephane Eranian break; 143086ee6e18SStephane Eranian case AGGR_NONE: 143186ee6e18SStephane Eranian case AGGR_GLOBAL: 143232b8af82SJiri Olsa case AGGR_THREAD: 1433208df99eSJiri Olsa case AGGR_UNSET: 143486ee6e18SStephane Eranian default: 143586ee6e18SStephane Eranian break; 143686ee6e18SStephane Eranian } 14371e5a2931SJiri Olsa 14381e5a2931SJiri Olsa /* 14391e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 14401e5a2931SJiri Olsa * taking the highest cpu number to be the size of 14411e5a2931SJiri Olsa * the aggregation translate cpumap. 14421e5a2931SJiri Olsa */ 14431e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 14441e5a2931SJiri Olsa cpus_aggr_map = cpu_map__empty_new(nr + 1); 14451e5a2931SJiri Olsa return cpus_aggr_map ? 0 : -ENOMEM; 144686ee6e18SStephane Eranian } 144786ee6e18SStephane Eranian 1448544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1449544c2ae7SMasami Hiramatsu { 1450544c2ae7SMasami Hiramatsu cpu_map__put(aggr_map); 1451544c2ae7SMasami Hiramatsu cpu_map__put(cpus_aggr_map); 1452544c2ae7SMasami Hiramatsu aggr_map = NULL; 1453544c2ae7SMasami Hiramatsu cpus_aggr_map = NULL; 1454544c2ae7SMasami Hiramatsu } 1455544c2ae7SMasami Hiramatsu 145668d702f7SJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) 145768d702f7SJiri Olsa { 145868d702f7SJiri Olsa int cpu; 145968d702f7SJiri Olsa 146068d702f7SJiri Olsa if (idx > map->nr) 146168d702f7SJiri Olsa return -1; 146268d702f7SJiri Olsa 146368d702f7SJiri Olsa cpu = map->map[idx]; 146468d702f7SJiri Olsa 146568d702f7SJiri Olsa if (cpu >= env->nr_cpus_online) 146668d702f7SJiri Olsa return -1; 146768d702f7SJiri Olsa 146868d702f7SJiri Olsa return cpu; 146968d702f7SJiri Olsa } 147068d702f7SJiri Olsa 147168d702f7SJiri Olsa static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) 147268d702f7SJiri Olsa { 147368d702f7SJiri Olsa struct perf_env *env = data; 147468d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 147568d702f7SJiri Olsa 147668d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 147768d702f7SJiri Olsa } 147868d702f7SJiri Olsa 147968d702f7SJiri Olsa static int perf_env__get_core(struct cpu_map *map, int idx, void *data) 148068d702f7SJiri Olsa { 148168d702f7SJiri Olsa struct perf_env *env = data; 148268d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 148368d702f7SJiri Olsa 148468d702f7SJiri Olsa if (cpu != -1) { 148568d702f7SJiri Olsa int socket_id = env->cpu[cpu].socket_id; 148668d702f7SJiri Olsa 148768d702f7SJiri Olsa /* 148868d702f7SJiri Olsa * Encode socket in upper 16 bits 148968d702f7SJiri Olsa * core_id is relative to socket, and 149068d702f7SJiri Olsa * we need a global id. So we combine 149168d702f7SJiri Olsa * socket + core id. 149268d702f7SJiri Olsa */ 149368d702f7SJiri Olsa core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); 149468d702f7SJiri Olsa } 149568d702f7SJiri Olsa 149668d702f7SJiri Olsa return core; 149768d702f7SJiri Olsa } 149868d702f7SJiri Olsa 149968d702f7SJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, 150068d702f7SJiri Olsa struct cpu_map **sockp) 150168d702f7SJiri Olsa { 150268d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 150368d702f7SJiri Olsa } 150468d702f7SJiri Olsa 150568d702f7SJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, 150668d702f7SJiri Olsa struct cpu_map **corep) 150768d702f7SJiri Olsa { 150868d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 150968d702f7SJiri Olsa } 151068d702f7SJiri Olsa 151168d702f7SJiri Olsa static int perf_stat__get_socket_file(struct cpu_map *map, int idx) 151268d702f7SJiri Olsa { 151368d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 151468d702f7SJiri Olsa } 151568d702f7SJiri Olsa 151668d702f7SJiri Olsa static int perf_stat__get_core_file(struct cpu_map *map, int idx) 151768d702f7SJiri Olsa { 151868d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 151968d702f7SJiri Olsa } 152068d702f7SJiri Olsa 152168d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 152268d702f7SJiri Olsa { 152368d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 152468d702f7SJiri Olsa 152568d702f7SJiri Olsa switch (stat_config.aggr_mode) { 152668d702f7SJiri Olsa case AGGR_SOCKET: 152768d702f7SJiri Olsa if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { 152868d702f7SJiri Olsa perror("cannot build socket map"); 152968d702f7SJiri Olsa return -1; 153068d702f7SJiri Olsa } 153168d702f7SJiri Olsa aggr_get_id = perf_stat__get_socket_file; 153268d702f7SJiri Olsa break; 153368d702f7SJiri Olsa case AGGR_CORE: 153468d702f7SJiri Olsa if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { 153568d702f7SJiri Olsa perror("cannot build core map"); 153668d702f7SJiri Olsa return -1; 153768d702f7SJiri Olsa } 153868d702f7SJiri Olsa aggr_get_id = perf_stat__get_core_file; 153968d702f7SJiri Olsa break; 154068d702f7SJiri Olsa case AGGR_NONE: 154168d702f7SJiri Olsa case AGGR_GLOBAL: 154268d702f7SJiri Olsa case AGGR_THREAD: 154368d702f7SJiri Olsa case AGGR_UNSET: 154468d702f7SJiri Olsa default: 154568d702f7SJiri Olsa break; 154668d702f7SJiri Olsa } 154768d702f7SJiri Olsa 154868d702f7SJiri Olsa return 0; 154968d702f7SJiri Olsa } 155068d702f7SJiri Olsa 15512cba3ffbSIngo Molnar /* 15522cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 15532cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 15542cba3ffbSIngo Molnar */ 15552cba3ffbSIngo Molnar static int add_default_attributes(void) 15562cba3ffbSIngo Molnar { 15579dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1558b070a547SArnaldo Carvalho de Melo 1559b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1560b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1561b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1562b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1563b070a547SArnaldo Carvalho de Melo 1564b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 15659dec4473SAndi Kleen }; 15669dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1567b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 15689dec4473SAndi Kleen }; 15699dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1570b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 15719dec4473SAndi Kleen }; 15729dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1573b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1574b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1575b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1576b070a547SArnaldo Carvalho de Melo 1577b070a547SArnaldo Carvalho de Melo }; 1578b070a547SArnaldo Carvalho de Melo 1579b070a547SArnaldo Carvalho de Melo /* 1580b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1581b070a547SArnaldo Carvalho de Melo */ 1582b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1583b070a547SArnaldo Carvalho de Melo 1584b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1585b070a547SArnaldo Carvalho de Melo .config = 1586b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1587b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1588b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1589b070a547SArnaldo Carvalho de Melo 1590b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1591b070a547SArnaldo Carvalho de Melo .config = 1592b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1593b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1594b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1595b070a547SArnaldo Carvalho de Melo 1596b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1597b070a547SArnaldo Carvalho de Melo .config = 1598b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1599b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1600b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1601b070a547SArnaldo Carvalho de Melo 1602b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1603b070a547SArnaldo Carvalho de Melo .config = 1604b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1605b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1606b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1607b070a547SArnaldo Carvalho de Melo }; 1608b070a547SArnaldo Carvalho de Melo 1609b070a547SArnaldo Carvalho de Melo /* 1610b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1611b070a547SArnaldo Carvalho de Melo */ 1612b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1613b070a547SArnaldo Carvalho de Melo 1614b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1615b070a547SArnaldo Carvalho de Melo .config = 1616b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1617b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1618b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1619b070a547SArnaldo Carvalho de Melo 1620b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1621b070a547SArnaldo Carvalho de Melo .config = 1622b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1623b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1624b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1625b070a547SArnaldo Carvalho de Melo 1626b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1627b070a547SArnaldo Carvalho de Melo .config = 1628b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1629b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1630b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1631b070a547SArnaldo Carvalho de Melo 1632b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1633b070a547SArnaldo Carvalho de Melo .config = 1634b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1635b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1636b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1637b070a547SArnaldo Carvalho de Melo 1638b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1639b070a547SArnaldo Carvalho de Melo .config = 1640b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1641b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1642b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1643b070a547SArnaldo Carvalho de Melo 1644b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1645b070a547SArnaldo Carvalho de Melo .config = 1646b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1647b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1648b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1649b070a547SArnaldo Carvalho de Melo 1650b070a547SArnaldo Carvalho de Melo }; 1651b070a547SArnaldo Carvalho de Melo 1652b070a547SArnaldo Carvalho de Melo /* 1653b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 1654b070a547SArnaldo Carvalho de Melo */ 1655b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 1656b070a547SArnaldo Carvalho de Melo 1657b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1658b070a547SArnaldo Carvalho de Melo .config = 1659b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1660b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1661b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1662b070a547SArnaldo Carvalho de Melo 1663b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1664b070a547SArnaldo Carvalho de Melo .config = 1665b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1666b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 1667b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1668b070a547SArnaldo Carvalho de Melo }; 1669b070a547SArnaldo Carvalho de Melo 16702cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 16712cba3ffbSIngo Molnar if (null_run) 16722cba3ffbSIngo Molnar return 0; 16732cba3ffbSIngo Molnar 16744cabc3d1SAndi Kleen if (transaction_run) { 16754cabc3d1SAndi Kleen int err; 16764cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 16774cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 1678a454742cSJiri Olsa err = parse_events(evsel_list, transaction_attrs, NULL); 16794cabc3d1SAndi Kleen else 1680a454742cSJiri Olsa err = parse_events(evsel_list, transaction_limited_attrs, NULL); 1681a454742cSJiri Olsa if (err) { 16824cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 16834cabc3d1SAndi Kleen return -1; 16844cabc3d1SAndi Kleen } 16854cabc3d1SAndi Kleen return 0; 16864cabc3d1SAndi Kleen } 16874cabc3d1SAndi Kleen 16882cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 16899dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 16909dec4473SAndi Kleen return -1; 16919dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 16929dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 16939dec4473SAndi Kleen frontend_attrs) < 0) 16949dec4473SAndi Kleen return -1; 16959dec4473SAndi Kleen } 16969dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 16979dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 16989dec4473SAndi Kleen backend_attrs) < 0) 16999dec4473SAndi Kleen return -1; 17009dec4473SAndi Kleen } 17019dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 17022cba3ffbSIngo Molnar return -1; 17032cba3ffbSIngo Molnar } 17042cba3ffbSIngo Molnar 17052cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 17062cba3ffbSIngo Molnar 17072cba3ffbSIngo Molnar if (detailed_run < 1) 17082cba3ffbSIngo Molnar return 0; 17092cba3ffbSIngo Molnar 17102cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 171179695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 17122cba3ffbSIngo Molnar return -1; 17132cba3ffbSIngo Molnar 17142cba3ffbSIngo Molnar if (detailed_run < 2) 17152cba3ffbSIngo Molnar return 0; 17162cba3ffbSIngo Molnar 17172cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 171879695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 17192cba3ffbSIngo Molnar return -1; 17202cba3ffbSIngo Molnar 17212cba3ffbSIngo Molnar if (detailed_run < 3) 17222cba3ffbSIngo Molnar return 0; 17232cba3ffbSIngo Molnar 17242cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 172579695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 17262cba3ffbSIngo Molnar } 17272cba3ffbSIngo Molnar 17288a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 17294979d0c7SJiri Olsa "perf stat record [<options>]", 17304979d0c7SJiri Olsa NULL, 17314979d0c7SJiri Olsa }; 17324979d0c7SJiri Olsa 17333ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 17343ba78bd0SJiri Olsa { 17353ba78bd0SJiri Olsa int feat; 17363ba78bd0SJiri Olsa 17373ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 17383ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 17393ba78bd0SJiri Olsa 17403ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 17413ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 17423ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 17433ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 17443ba78bd0SJiri Olsa } 17453ba78bd0SJiri Olsa 17464979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 17474979d0c7SJiri Olsa { 17484979d0c7SJiri Olsa struct perf_session *session; 17494979d0c7SJiri Olsa struct perf_data_file *file = &perf_stat.file; 17504979d0c7SJiri Olsa 17518a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 17524979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 17534979d0c7SJiri Olsa 17544979d0c7SJiri Olsa if (output_name) 17554979d0c7SJiri Olsa file->path = output_name; 17564979d0c7SJiri Olsa 1757e9d6db8eSJiri Olsa if (run_count != 1 || forever) { 1758e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 1759e9d6db8eSJiri Olsa return -1; 1760e9d6db8eSJiri Olsa } 1761e9d6db8eSJiri Olsa 17624979d0c7SJiri Olsa session = perf_session__new(file, false, NULL); 17634979d0c7SJiri Olsa if (session == NULL) { 17644979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 17654979d0c7SJiri Olsa return -1; 17664979d0c7SJiri Olsa } 17674979d0c7SJiri Olsa 17683ba78bd0SJiri Olsa init_features(session); 17693ba78bd0SJiri Olsa 17704979d0c7SJiri Olsa session->evlist = evsel_list; 17714979d0c7SJiri Olsa perf_stat.session = session; 17724979d0c7SJiri Olsa perf_stat.record = true; 17734979d0c7SJiri Olsa return argc; 17744979d0c7SJiri Olsa } 17754979d0c7SJiri Olsa 1776a56f9390SJiri Olsa static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 1777a56f9390SJiri Olsa union perf_event *event, 1778a56f9390SJiri Olsa struct perf_session *session) 1779a56f9390SJiri Olsa { 1780a56f9390SJiri Olsa struct stat_round_event *round = &event->stat_round; 1781a56f9390SJiri Olsa struct perf_evsel *counter; 1782a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 1783a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 1784a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 1785a56f9390SJiri Olsa 1786a56f9390SJiri Olsa evlist__for_each(evsel_list, counter) 1787a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 1788a56f9390SJiri Olsa 1789a56f9390SJiri Olsa if (round->type == PERF_STAT_ROUND_TYPE__FINAL) 1790a56f9390SJiri Olsa update_stats(&walltime_nsecs_stats, round->time); 1791a56f9390SJiri Olsa 1792a56f9390SJiri Olsa if (stat_config.interval && round->time) { 1793a56f9390SJiri Olsa tsh.tv_sec = round->time / NSECS_PER_SEC; 1794a56f9390SJiri Olsa tsh.tv_nsec = round->time % NSECS_PER_SEC; 1795a56f9390SJiri Olsa ts = &tsh; 1796a56f9390SJiri Olsa } 1797a56f9390SJiri Olsa 1798a56f9390SJiri Olsa print_counters(ts, argc, argv); 1799a56f9390SJiri Olsa return 0; 1800a56f9390SJiri Olsa } 1801a56f9390SJiri Olsa 180262ba18baSJiri Olsa static 180362ba18baSJiri Olsa int process_stat_config_event(struct perf_tool *tool __maybe_unused, 180462ba18baSJiri Olsa union perf_event *event, 180562ba18baSJiri Olsa struct perf_session *session __maybe_unused) 180662ba18baSJiri Olsa { 180768d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 180868d702f7SJiri Olsa 180962ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 181068d702f7SJiri Olsa 181189af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 181289af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 181389af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 181489af4e05SJiri Olsa return 0; 181589af4e05SJiri Olsa } 181689af4e05SJiri Olsa 181789af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 181889af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 181989af4e05SJiri Olsa 182068d702f7SJiri Olsa if (perf_stat.file.is_pipe) 182168d702f7SJiri Olsa perf_stat_init_aggr_mode(); 182268d702f7SJiri Olsa else 182368d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 182468d702f7SJiri Olsa 182562ba18baSJiri Olsa return 0; 182662ba18baSJiri Olsa } 182762ba18baSJiri Olsa 18281975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 18291975d36eSJiri Olsa { 18301975d36eSJiri Olsa if (!st->cpus || !st->threads) 18311975d36eSJiri Olsa return 0; 18321975d36eSJiri Olsa 18331975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 18341975d36eSJiri Olsa return -EINVAL; 18351975d36eSJiri Olsa 18361975d36eSJiri Olsa perf_evlist__set_maps(evsel_list, st->cpus, st->threads); 18371975d36eSJiri Olsa 18381975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 18391975d36eSJiri Olsa return -ENOMEM; 18401975d36eSJiri Olsa 18411975d36eSJiri Olsa st->maps_allocated = true; 18421975d36eSJiri Olsa return 0; 18431975d36eSJiri Olsa } 18441975d36eSJiri Olsa 18451975d36eSJiri Olsa static 18461975d36eSJiri Olsa int process_thread_map_event(struct perf_tool *tool __maybe_unused, 18471975d36eSJiri Olsa union perf_event *event, 18481975d36eSJiri Olsa struct perf_session *session __maybe_unused) 18491975d36eSJiri Olsa { 18501975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 18511975d36eSJiri Olsa 18521975d36eSJiri Olsa if (st->threads) { 18531975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 18541975d36eSJiri Olsa return 0; 18551975d36eSJiri Olsa } 18561975d36eSJiri Olsa 18571975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 18581975d36eSJiri Olsa if (!st->threads) 18591975d36eSJiri Olsa return -ENOMEM; 18601975d36eSJiri Olsa 18611975d36eSJiri Olsa return set_maps(st); 18621975d36eSJiri Olsa } 18631975d36eSJiri Olsa 18641975d36eSJiri Olsa static 18651975d36eSJiri Olsa int process_cpu_map_event(struct perf_tool *tool __maybe_unused, 18661975d36eSJiri Olsa union perf_event *event, 18671975d36eSJiri Olsa struct perf_session *session __maybe_unused) 18681975d36eSJiri Olsa { 18691975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 18701975d36eSJiri Olsa struct cpu_map *cpus; 18711975d36eSJiri Olsa 18721975d36eSJiri Olsa if (st->cpus) { 18731975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 18741975d36eSJiri Olsa return 0; 18751975d36eSJiri Olsa } 18761975d36eSJiri Olsa 18771975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 18781975d36eSJiri Olsa if (!cpus) 18791975d36eSJiri Olsa return -ENOMEM; 18801975d36eSJiri Olsa 18811975d36eSJiri Olsa st->cpus = cpus; 18821975d36eSJiri Olsa return set_maps(st); 18831975d36eSJiri Olsa } 18841975d36eSJiri Olsa 18858a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 1886ba6039b6SJiri Olsa "perf stat report [<options>]", 1887ba6039b6SJiri Olsa NULL, 1888ba6039b6SJiri Olsa }; 1889ba6039b6SJiri Olsa 1890ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 1891ba6039b6SJiri Olsa .tool = { 1892ba6039b6SJiri Olsa .attr = perf_event__process_attr, 1893fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 18941975d36eSJiri Olsa .thread_map = process_thread_map_event, 18951975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 189662ba18baSJiri Olsa .stat_config = process_stat_config_event, 1897a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 1898a56f9390SJiri Olsa .stat_round = process_stat_round_event, 1899ba6039b6SJiri Olsa }, 190089af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 1901ba6039b6SJiri Olsa }; 1902ba6039b6SJiri Olsa 1903ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 1904ba6039b6SJiri Olsa { 1905ba6039b6SJiri Olsa struct perf_session *session; 1906ba6039b6SJiri Olsa const struct option options[] = { 1907ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 190889af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 190989af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 191089af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 191189af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 191289af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 191389af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1914ba6039b6SJiri Olsa OPT_END() 1915ba6039b6SJiri Olsa }; 1916ba6039b6SJiri Olsa struct stat st; 1917ba6039b6SJiri Olsa int ret; 1918ba6039b6SJiri Olsa 19198a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 1920ba6039b6SJiri Olsa 1921ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 1922ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1923ba6039b6SJiri Olsa input_name = "-"; 1924ba6039b6SJiri Olsa else 1925ba6039b6SJiri Olsa input_name = "perf.data"; 1926ba6039b6SJiri Olsa } 1927ba6039b6SJiri Olsa 1928ba6039b6SJiri Olsa perf_stat.file.path = input_name; 1929ba6039b6SJiri Olsa perf_stat.file.mode = PERF_DATA_MODE_READ; 1930ba6039b6SJiri Olsa 1931ba6039b6SJiri Olsa session = perf_session__new(&perf_stat.file, false, &perf_stat.tool); 1932ba6039b6SJiri Olsa if (session == NULL) 1933ba6039b6SJiri Olsa return -1; 1934ba6039b6SJiri Olsa 1935ba6039b6SJiri Olsa perf_stat.session = session; 1936ba6039b6SJiri Olsa stat_config.output = stderr; 1937ba6039b6SJiri Olsa evsel_list = session->evlist; 1938ba6039b6SJiri Olsa 1939ba6039b6SJiri Olsa ret = perf_session__process_events(session); 1940ba6039b6SJiri Olsa if (ret) 1941ba6039b6SJiri Olsa return ret; 1942ba6039b6SJiri Olsa 1943ba6039b6SJiri Olsa perf_session__delete(session); 1944ba6039b6SJiri Olsa return 0; 1945ba6039b6SJiri Olsa } 1946ba6039b6SJiri Olsa 19471d037ca1SIrina Tirdea int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) 194886470930SIngo Molnar { 1949b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 1950b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 1951b070a547SArnaldo Carvalho de Melo NULL 1952b070a547SArnaldo Carvalho de Melo }; 1953cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 19544aa9015fSStephane Eranian const char *mode; 19555821522eSJiri Olsa FILE *output = stderr; 1956ec0d3d1fSJiri Olsa unsigned int interval; 1957ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 195842202dd5SIngo Molnar 19595af52b51SStephane Eranian setlocale(LC_ALL, ""); 19605af52b51SStephane Eranian 1961334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 1962361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 1963361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 1964361c99a6SArnaldo Carvalho de Melo 19651669e509SWang Nan parse_events__shrink_config_terms(); 19664979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 19674979d0c7SJiri Olsa (const char **) stat_usage, 1968a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 1969d7470b6aSStephane Eranian 19706edb78a2SJiri Olsa if (csv_sep) { 19716edb78a2SJiri Olsa csv_output = true; 19726edb78a2SJiri Olsa if (!strcmp(csv_sep, "\\t")) 19736edb78a2SJiri Olsa csv_sep = "\t"; 19746edb78a2SJiri Olsa } else 19756edb78a2SJiri Olsa csv_sep = DEFAULT_SEPARATOR; 19766edb78a2SJiri Olsa 19774979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 19784979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 19794979d0c7SJiri Olsa if (argc < 0) 19804979d0c7SJiri Olsa return -1; 1981ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 1982ba6039b6SJiri Olsa return __cmd_report(argc, argv); 19834979d0c7SJiri Olsa 1984ec0d3d1fSJiri Olsa interval = stat_config.interval; 1985ec0d3d1fSJiri Olsa 19864979d0c7SJiri Olsa /* 19874979d0c7SJiri Olsa * For record command the -o is already taken care of. 19884979d0c7SJiri Olsa */ 19894979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 19904aa9015fSStephane Eranian output = NULL; 19914aa9015fSStephane Eranian 199256f3bae7SJim Cromie if (output_name && output_fd) { 199356f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 1994e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 1995e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 1996cc03c542SNamhyung Kim goto out; 199756f3bae7SJim Cromie } 1998fc3e4d07SStephane Eranian 1999fc3e4d07SStephane Eranian if (output_fd < 0) { 2000fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 2001e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 2002cc03c542SNamhyung Kim goto out; 2003fc3e4d07SStephane Eranian } 2004fc3e4d07SStephane Eranian 20054aa9015fSStephane Eranian if (!output) { 20064aa9015fSStephane Eranian struct timespec tm; 20074aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 20084aa9015fSStephane Eranian 20094aa9015fSStephane Eranian output = fopen(output_name, mode); 20104aa9015fSStephane Eranian if (!output) { 20114aa9015fSStephane Eranian perror("failed to create output file"); 2012fceda7feSDavid Ahern return -1; 20134aa9015fSStephane Eranian } 20144aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 20154aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2016fc3e4d07SStephane Eranian } else if (output_fd > 0) { 201756f3bae7SJim Cromie mode = append_file ? "a" : "w"; 201856f3bae7SJim Cromie output = fdopen(output_fd, mode); 201956f3bae7SJim Cromie if (!output) { 202056f3bae7SJim Cromie perror("Failed opening logfd"); 202156f3bae7SJim Cromie return -errno; 202256f3bae7SJim Cromie } 20234aa9015fSStephane Eranian } 20244aa9015fSStephane Eranian 20255821522eSJiri Olsa stat_config.output = output; 20265821522eSJiri Olsa 2027d7470b6aSStephane Eranian /* 2028d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2029d7470b6aSStephane Eranian */ 2030d7470b6aSStephane Eranian if (csv_output) { 203161a9f324SJim Cromie /* User explicitly passed -B? */ 2032d7470b6aSStephane Eranian if (big_num_opt == 1) { 2033d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2034e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2035e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2036cc03c542SNamhyung Kim goto out; 2037d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 2038d7470b6aSStephane Eranian big_num = false; 2039d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 2040d7470b6aSStephane Eranian big_num = false; 2041d7470b6aSStephane Eranian 2042602ad878SArnaldo Carvalho de Melo if (!argc && target__none(&target)) 2043e0547311SJiri Olsa usage_with_options(stat_usage, stat_options); 2044ac3063bdSDavid Ahern 2045a7e191c3SFrederik Deweerdt if (run_count < 0) { 2046cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2047e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2048cc03c542SNamhyung Kim goto out; 2049a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 2050a7e191c3SFrederik Deweerdt forever = true; 2051a7e191c3SFrederik Deweerdt run_count = 1; 2052a7e191c3SFrederik Deweerdt } 205386470930SIngo Molnar 2054421a50f3SJiri Olsa if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { 205532b8af82SJiri Olsa fprintf(stderr, "The --per-thread option is only available " 205632b8af82SJiri Olsa "when monitoring via -p -t options.\n"); 2057e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 2058e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 205932b8af82SJiri Olsa goto out; 206032b8af82SJiri Olsa } 206132b8af82SJiri Olsa 206232b8af82SJiri Olsa /* 206332b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 206432b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 206532b8af82SJiri Olsa */ 2066421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 2067421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 2068602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 2069023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 2070023695d9SStephane Eranian "modes only available in system-wide mode\n"); 2071023695d9SStephane Eranian 2072e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 2073e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 2074e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2075cc03c542SNamhyung Kim goto out; 2076d7e7a451SStephane Eranian } 2077d7e7a451SStephane Eranian 20782cba3ffbSIngo Molnar if (add_default_attributes()) 2079c6264defSIngo Molnar goto out; 208086470930SIngo Molnar 2081602ad878SArnaldo Carvalho de Melo target__validate(&target); 20825c98d466SArnaldo Carvalho de Melo 208377a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 2084602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 20855c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 2086e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 2087e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 2088602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 208960d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 2090e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 2091e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2092cc03c542SNamhyung Kim } 2093cc03c542SNamhyung Kim goto out; 209460d567e2SArnaldo Carvalho de Melo } 209532b8af82SJiri Olsa 209632b8af82SJiri Olsa /* 209732b8af82SJiri Olsa * Initialize thread_map with comm names, 209832b8af82SJiri Olsa * so we could print it out on output. 209932b8af82SJiri Olsa */ 2100421a50f3SJiri Olsa if (stat_config.aggr_mode == AGGR_THREAD) 210132b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 210232b8af82SJiri Olsa 210313370a9bSStephane Eranian if (interval && interval < 100) { 210419afd104SKan Liang if (interval < 10) { 210519afd104SKan Liang pr_err("print interval must be >= 10ms\n"); 2106e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "I", 1); 210703ad9747SArnaldo Carvalho de Melo goto out; 210819afd104SKan Liang } else 210919afd104SKan Liang pr_warning("print interval < 100ms. " 211019afd104SKan Liang "The overhead percentage could be high in some cases. " 211119afd104SKan Liang "Please proceed with caution.\n"); 211213370a9bSStephane Eranian } 2113c45c6ea2SStephane Eranian 2114d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 211503ad9747SArnaldo Carvalho de Melo goto out; 2116d6d901c2SZhang, Yanmin 211786ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 211803ad9747SArnaldo Carvalho de Melo goto out; 211986ee6e18SStephane Eranian 212086470930SIngo Molnar /* 212186470930SIngo Molnar * We dont want to block the signals - that would cause 212286470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 212386470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 212486470930SIngo Molnar * task, but being ignored by perf stat itself: 212586470930SIngo Molnar */ 2126f7b7c26eSPeter Zijlstra atexit(sig_atexit); 2127a7e191c3SFrederik Deweerdt if (!forever) 212886470930SIngo Molnar signal(SIGINT, skip_signal); 212913370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 213086470930SIngo Molnar signal(SIGALRM, skip_signal); 213186470930SIngo Molnar signal(SIGABRT, skip_signal); 213286470930SIngo Molnar 213342202dd5SIngo Molnar status = 0; 2134a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 213542202dd5SIngo Molnar if (run_count != 1 && verbose) 21364aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 21374aa9015fSStephane Eranian run_idx + 1); 2138f9cef0a9SIngo Molnar 213942202dd5SIngo Molnar status = run_perf_stat(argc, argv); 2140a7e191c3SFrederik Deweerdt if (forever && status != -1) { 2141d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2142254ecbc7SJiri Olsa perf_stat__reset_stats(); 2143a7e191c3SFrederik Deweerdt } 214442202dd5SIngo Molnar } 214542202dd5SIngo Molnar 2146a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 2147d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2148d134ffb9SArnaldo Carvalho de Melo 21494979d0c7SJiri Olsa if (STAT_RECORD) { 21504979d0c7SJiri Olsa /* 21514979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 21524979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 21534979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 21544979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 21554979d0c7SJiri Olsa * 21564979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 21578b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 21588b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 21598b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 21608b99b1a4SJiri Olsa * tools remain -acme 21614979d0c7SJiri Olsa */ 21624979d0c7SJiri Olsa int fd = perf_data_file__fd(&perf_stat.file); 21634979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 21644979d0c7SJiri Olsa process_synthesized_event, 21654979d0c7SJiri Olsa &perf_stat.session->machines.host); 21664979d0c7SJiri Olsa if (err) { 21674979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 21684979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 21694979d0c7SJiri Olsa } 21704979d0c7SJiri Olsa 21717aad0c32SJiri Olsa if (!interval) { 21727aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 21737aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 21747aad0c32SJiri Olsa } 21757aad0c32SJiri Olsa 2176664c98d4SJiri Olsa if (!perf_stat.file.is_pipe) { 21774979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 21784979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2179664c98d4SJiri Olsa } 21804979d0c7SJiri Olsa 21814979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 21824979d0c7SJiri Olsa } 21834979d0c7SJiri Olsa 2184544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2185d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 21860015e2e1SArnaldo Carvalho de Melo out: 21870015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 218842202dd5SIngo Molnar return status; 218986470930SIngo Molnar } 2190