186470930SIngo Molnar /* 286470930SIngo Molnar * builtin-stat.c 386470930SIngo Molnar * 486470930SIngo Molnar * Builtin stat command: Give a precise performance counters summary 586470930SIngo Molnar * overview about any workload, CPU or specific PID. 686470930SIngo Molnar * 786470930SIngo Molnar * Sample output: 886470930SIngo Molnar 92cba3ffbSIngo Molnar $ perf stat ./hackbench 10 1086470930SIngo Molnar 112cba3ffbSIngo Molnar Time: 0.118 1286470930SIngo Molnar 132cba3ffbSIngo Molnar Performance counter stats for './hackbench 10': 1486470930SIngo Molnar 152cba3ffbSIngo Molnar 1708.761321 task-clock # 11.037 CPUs utilized 162cba3ffbSIngo Molnar 41,190 context-switches # 0.024 M/sec 172cba3ffbSIngo Molnar 6,735 CPU-migrations # 0.004 M/sec 182cba3ffbSIngo Molnar 17,318 page-faults # 0.010 M/sec 192cba3ffbSIngo Molnar 5,205,202,243 cycles # 3.046 GHz 202cba3ffbSIngo Molnar 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle 212cba3ffbSIngo Molnar 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle 222cba3ffbSIngo Molnar 2,603,501,247 instructions # 0.50 insns per cycle 232cba3ffbSIngo Molnar # 1.48 stalled cycles per insn 242cba3ffbSIngo Molnar 484,357,498 branches # 283.455 M/sec 252cba3ffbSIngo Molnar 6,388,934 branch-misses # 1.32% of all branches 262cba3ffbSIngo Molnar 272cba3ffbSIngo Molnar 0.154822978 seconds time elapsed 2886470930SIngo Molnar 2986470930SIngo Molnar * 302cba3ffbSIngo Molnar * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> 3186470930SIngo Molnar * 3286470930SIngo Molnar * Improvements and fixes by: 3386470930SIngo Molnar * 3486470930SIngo Molnar * Arjan van de Ven <arjan@linux.intel.com> 3586470930SIngo Molnar * Yanmin Zhang <yanmin.zhang@intel.com> 3686470930SIngo Molnar * Wu Fengguang <fengguang.wu@intel.com> 3786470930SIngo Molnar * Mike Galbraith <efault@gmx.de> 3886470930SIngo Molnar * Paul Mackerras <paulus@samba.org> 396e750a8fSJaswinder Singh Rajput * Jaswinder Singh Rajput <jaswinder@kernel.org> 4086470930SIngo Molnar * 4186470930SIngo Molnar * Released under the GPL v2. (and only v2, not any later version) 4286470930SIngo Molnar */ 4386470930SIngo Molnar 4486470930SIngo Molnar #include "perf.h" 4586470930SIngo Molnar #include "builtin.h" 46f14d5707SArnaldo Carvalho de Melo #include "util/cgroup.h" 4786470930SIngo Molnar #include "util/util.h" 484b6ab94eSJosh Poimboeuf #include <subcmd/parse-options.h> 4986470930SIngo Molnar #include "util/parse-events.h" 504cabc3d1SAndi Kleen #include "util/pmu.h" 518f28827aSFrederic Weisbecker #include "util/event.h" 52361c99a6SArnaldo Carvalho de Melo #include "util/evlist.h" 5369aad6f1SArnaldo Carvalho de Melo #include "util/evsel.h" 548f28827aSFrederic Weisbecker #include "util/debug.h" 555d8bb1ecSMathieu Poirier #include "util/drv_configs.h" 56a5d243d0SIngo Molnar #include "util/color.h" 570007eceaSXiao Guangrong #include "util/stat.h" 5860666c63SLiming Wang #include "util/header.h" 59a12b51c4SPaul Mackerras #include "util/cpumap.h" 60d6d901c2SZhang, Yanmin #include "util/thread.h" 61fd78260bSArnaldo Carvalho de Melo #include "util/thread_map.h" 62d809560bSJiri Olsa #include "util/counts.h" 6344b1e60aSAndi Kleen #include "util/group.h" 644979d0c7SJiri Olsa #include "util/session.h" 65ba6039b6SJiri Olsa #include "util/tool.h" 6644b1e60aSAndi Kleen #include "util/group.h" 67a067558eSArnaldo Carvalho de Melo #include "util/string2.h" 68ba6039b6SJiri Olsa #include "asm/bug.h" 6986470930SIngo Molnar 70bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 7144b1e60aSAndi Kleen #include <api/fs/fs.h> 72a43783aeSArnaldo Carvalho de Melo #include <errno.h> 739607ad3aSArnaldo Carvalho de Melo #include <signal.h> 741f16c575SPeter Zijlstra #include <stdlib.h> 7586470930SIngo Molnar #include <sys/prctl.h> 76fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 775af52b51SStephane Eranian #include <locale.h> 78e3b03b6cSAndi Kleen #include <math.h> 797a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 807a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 814208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 827a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 8386470930SIngo Molnar 843d689ed6SArnaldo Carvalho de Melo #include "sane_ctype.h" 853d689ed6SArnaldo Carvalho de Melo 86d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 872cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 882cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 89daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 90d7470b6aSStephane Eranian 91d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9213370a9bSStephane Eranian 934cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 94a454742cSJiri Olsa static const char *transaction_attrs = { 95a454742cSJiri Olsa "task-clock," 964cabc3d1SAndi Kleen "{" 974cabc3d1SAndi Kleen "instructions," 984cabc3d1SAndi Kleen "cycles," 994cabc3d1SAndi Kleen "cpu/cycles-t/," 1004cabc3d1SAndi Kleen "cpu/tx-start/," 1014cabc3d1SAndi Kleen "cpu/el-start/," 1024cabc3d1SAndi Kleen "cpu/cycles-ct/" 1034cabc3d1SAndi Kleen "}" 1044cabc3d1SAndi Kleen }; 1054cabc3d1SAndi Kleen 1064cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 107a454742cSJiri Olsa static const char * transaction_limited_attrs = { 108a454742cSJiri Olsa "task-clock," 1094cabc3d1SAndi Kleen "{" 1104cabc3d1SAndi Kleen "instructions," 1114cabc3d1SAndi Kleen "cycles," 1124cabc3d1SAndi Kleen "cpu/cycles-t/," 1134cabc3d1SAndi Kleen "cpu/tx-start/" 1144cabc3d1SAndi Kleen "}" 1154cabc3d1SAndi Kleen }; 1164cabc3d1SAndi Kleen 11744b1e60aSAndi Kleen static const char * topdown_attrs[] = { 11844b1e60aSAndi Kleen "topdown-total-slots", 11944b1e60aSAndi Kleen "topdown-slots-retired", 12044b1e60aSAndi Kleen "topdown-recovery-bubbles", 12144b1e60aSAndi Kleen "topdown-fetch-bubbles", 12244b1e60aSAndi Kleen "topdown-slots-issued", 12344b1e60aSAndi Kleen NULL, 12444b1e60aSAndi Kleen }; 12544b1e60aSAndi Kleen 126daefd0bcSKan Liang static const char *smi_cost_attrs = { 127daefd0bcSKan Liang "{" 128daefd0bcSKan Liang "msr/aperf/," 129daefd0bcSKan Liang "msr/smi/," 130daefd0bcSKan Liang "cycles" 131daefd0bcSKan Liang "}" 132daefd0bcSKan Liang }; 133daefd0bcSKan Liang 134666e6d48SRobert Richter static struct perf_evlist *evsel_list; 135361c99a6SArnaldo Carvalho de Melo 136602ad878SArnaldo Carvalho de Melo static struct target target = { 13777a6f014SNamhyung Kim .uid = UINT_MAX, 13877a6f014SNamhyung Kim }; 13942202dd5SIngo Molnar 1401e5a2931SJiri Olsa typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); 1411e5a2931SJiri Olsa 1423d632595SJaswinder Singh Rajput static int run_count = 1; 1432e6cdf99SStephane Eranian static bool no_inherit = false; 144d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 145c0555642SIan Munsie static bool null_run = false; 1462cba3ffbSIngo Molnar static int detailed_run = 0; 1474cabc3d1SAndi Kleen static bool transaction_run; 14844b1e60aSAndi Kleen static bool topdown_run = false; 149daefd0bcSKan Liang static bool smi_cost = false; 150daefd0bcSKan Liang static bool smi_reset = false; 151201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 152d7470b6aSStephane Eranian static int big_num_opt = -1; 153d7470b6aSStephane Eranian static const char *csv_sep = NULL; 154d7470b6aSStephane Eranian static bool csv_output = false; 15543bece79SLin Ming static bool group = false; 1561f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1571f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1581f16c575SPeter Zijlstra static bool sync_run = false; 15941191688SAndi Kleen static unsigned int initial_delay = 0; 160410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 161a7e191c3SFrederik Deweerdt static bool forever = false; 16254b50916SAndi Kleen static bool metric_only = false; 16344b1e60aSAndi Kleen static bool force_metric_only = false; 164430daf2dSAndi Kleen static bool no_merge = false; 16513370a9bSStephane Eranian static struct timespec ref_time; 16686ee6e18SStephane Eranian static struct cpu_map *aggr_map; 1671e5a2931SJiri Olsa static aggr_get_id_t aggr_get_id; 168e0547311SJiri Olsa static bool append_file; 169e0547311SJiri Olsa static const char *output_name; 170e0547311SJiri Olsa static int output_fd; 17102d492e5SBorislav Petkov static int print_free_counters_hint; 1725af52b51SStephane Eranian 1734979d0c7SJiri Olsa struct perf_stat { 1744979d0c7SJiri Olsa bool record; 1754979d0c7SJiri Olsa struct perf_data_file file; 1764979d0c7SJiri Olsa struct perf_session *session; 1774979d0c7SJiri Olsa u64 bytes_written; 178ba6039b6SJiri Olsa struct perf_tool tool; 1791975d36eSJiri Olsa bool maps_allocated; 1801975d36eSJiri Olsa struct cpu_map *cpus; 1811975d36eSJiri Olsa struct thread_map *threads; 18289af4e05SJiri Olsa enum aggr_mode aggr_mode; 1834979d0c7SJiri Olsa }; 1844979d0c7SJiri Olsa 1854979d0c7SJiri Olsa static struct perf_stat perf_stat; 1864979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1874979d0c7SJiri Olsa 18860666c63SLiming Wang static volatile int done = 0; 18960666c63SLiming Wang 190421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 191421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 192711a572eSJiri Olsa .scale = true, 193421a50f3SJiri Olsa }; 194421a50f3SJiri Olsa 19513370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 19613370a9bSStephane Eranian struct timespec *b) 19713370a9bSStephane Eranian { 19813370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 19913370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 200310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 20113370a9bSStephane Eranian r->tv_sec--; 20213370a9bSStephane Eranian } else { 20313370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 20413370a9bSStephane Eranian } 20513370a9bSStephane Eranian } 20613370a9bSStephane Eranian 207254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 208254ecbc7SJiri Olsa { 209254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 210f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 2111eda3b21SJiri Olsa } 2121eda3b21SJiri Olsa 213cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 21486470930SIngo Molnar { 21569aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 21682bf311eSJiri Olsa struct perf_evsel *leader = evsel->leader; 217727ab04eSArnaldo Carvalho de Melo 21882bf311eSJiri Olsa if (stat_config.scale) { 21986470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 22086470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 22182bf311eSJiri Olsa } 22282bf311eSJiri Olsa 22382bf311eSJiri Olsa /* 22482bf311eSJiri Olsa * The event is part of non trivial group, let's enable 22582bf311eSJiri Olsa * the group read (for leader) and ID retrieval for all 22682bf311eSJiri Olsa * members. 22782bf311eSJiri Olsa */ 22882bf311eSJiri Olsa if (leader->nr_members > 1) 22982bf311eSJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 23086470930SIngo Molnar 2312e6cdf99SStephane Eranian attr->inherit = !no_inherit; 2325d2cd909SArnaldo Carvalho de Melo 2336acd8e92SJiri Olsa /* 2346acd8e92SJiri Olsa * Some events get initialized with sample_(period/type) set, 2356acd8e92SJiri Olsa * like tracepoints. Clear it up for counting. 2366acd8e92SJiri Olsa */ 2376acd8e92SJiri Olsa attr->sample_period = 0; 2386db1a5c1SJiri Olsa 2394979d0c7SJiri Olsa /* 2404979d0c7SJiri Olsa * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 2414979d0c7SJiri Olsa * while avoiding that older tools show confusing messages. 2426db1a5c1SJiri Olsa * 2436db1a5c1SJiri Olsa * However for pipe sessions we need to keep it zero, 2446db1a5c1SJiri Olsa * because script's perf_evsel__check_attr is triggered 2456db1a5c1SJiri Olsa * by attr->sample_type != 0, and we can't run it on 2466db1a5c1SJiri Olsa * stat sessions. 2474979d0c7SJiri Olsa */ 2486db1a5c1SJiri Olsa if (!(STAT_RECORD && perf_stat.file.is_pipe)) 2494979d0c7SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 2506acd8e92SJiri Olsa 25167ccdecdSJiri Olsa /* 25267ccdecdSJiri Olsa * Disabling all counters initially, they will be enabled 25367ccdecdSJiri Olsa * either manually by us or by kernel via enable_on_exec 25467ccdecdSJiri Olsa * set later. 25567ccdecdSJiri Olsa */ 256c8280cecSJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 25767ccdecdSJiri Olsa attr->disabled = 1; 25867ccdecdSJiri Olsa 259c8280cecSJiri Olsa /* 260c8280cecSJiri Olsa * In case of initial_delay we enable tracee 261c8280cecSJiri Olsa * events manually. 262c8280cecSJiri Olsa */ 263c8280cecSJiri Olsa if (target__none(&target) && !initial_delay) 264c8280cecSJiri Olsa attr->enable_on_exec = 1; 265c8280cecSJiri Olsa } 266c8280cecSJiri Olsa 267602ad878SArnaldo Carvalho de Melo if (target__has_cpu(&target)) 268594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 2695622c07bSStephane Eranian 270594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 27186470930SIngo Molnar } 27286470930SIngo Molnar 27386470930SIngo Molnar /* 27486470930SIngo Molnar * Does the counter have nsecs as a unit? 27586470930SIngo Molnar */ 276daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 27786470930SIngo Molnar { 278daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 279daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 28086470930SIngo Molnar return 1; 28186470930SIngo Molnar 28286470930SIngo Molnar return 0; 28386470930SIngo Molnar } 28486470930SIngo Molnar 2858b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2864979d0c7SJiri Olsa union perf_event *event, 2874979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2884979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2894979d0c7SJiri Olsa { 2908b99b1a4SJiri Olsa if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { 2918b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2928b99b1a4SJiri Olsa return -1; 2938b99b1a4SJiri Olsa } 2948b99b1a4SJiri Olsa 2958b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2968b99b1a4SJiri Olsa return 0; 2974979d0c7SJiri Olsa } 2984979d0c7SJiri Olsa 2991975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 3007aad0c32SJiri Olsa { 3011975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 3027aad0c32SJiri Olsa process_synthesized_event, 3037aad0c32SJiri Olsa NULL); 3047aad0c32SJiri Olsa } 3057aad0c32SJiri Olsa 3067aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 3077aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 3087aad0c32SJiri Olsa 3095a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 3105a6ea81bSJiri Olsa 3115a6ea81bSJiri Olsa static int 3125a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 3135a6ea81bSJiri Olsa struct perf_counts_values *count) 3145a6ea81bSJiri Olsa { 3155a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 3165a6ea81bSJiri Olsa 3175a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 3185a6ea81bSJiri Olsa process_synthesized_event, NULL); 3195a6ea81bSJiri Olsa } 3205a6ea81bSJiri Olsa 321f5b4a9c3SStephane Eranian /* 322f5b4a9c3SStephane Eranian * Read out the results of a single counter: 323f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 324f5b4a9c3SStephane Eranian */ 325c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 326f5b4a9c3SStephane Eranian { 3279bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 32800e727bbSMark Rutland int ncpus, cpu, thread; 32900e727bbSMark Rutland 33000e727bbSMark Rutland if (target__has_cpu(&target)) 33100e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 33200e727bbSMark Rutland else 33300e727bbSMark Rutland ncpus = 1; 334f5b4a9c3SStephane Eranian 3353b4331d9SSuzuki K. Poulose if (!counter->supported) 3363b4331d9SSuzuki K. Poulose return -ENOENT; 3373b4331d9SSuzuki K. Poulose 3389bf1a529SJiri Olsa if (counter->system_wide) 3399bf1a529SJiri Olsa nthreads = 1; 3409bf1a529SJiri Olsa 3419bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 3429bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 3433b3eb044SJiri Olsa struct perf_counts_values *count; 3443b3eb044SJiri Olsa 3453b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 34682bf311eSJiri Olsa 34782bf311eSJiri Olsa /* 34882bf311eSJiri Olsa * The leader's group read loads data into its group members 34982bf311eSJiri Olsa * (via perf_evsel__read_counter) and sets threir count->loaded. 35082bf311eSJiri Olsa */ 35182bf311eSJiri Olsa if (!count->loaded && 35282bf311eSJiri Olsa perf_evsel__read_counter(counter, cpu, thread)) { 353db49a717SStephane Eranian counter->counts->scaled = -1; 354db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 355db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 356c52b12edSArnaldo Carvalho de Melo return -1; 357db49a717SStephane Eranian } 3585a6ea81bSJiri Olsa 35982bf311eSJiri Olsa count->loaded = false; 36082bf311eSJiri Olsa 3615a6ea81bSJiri Olsa if (STAT_RECORD) { 3625a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3635a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3645a6ea81bSJiri Olsa return -1; 3655a6ea81bSJiri Olsa } 3665a6ea81bSJiri Olsa } 3670b1abbf4SAndi Kleen 3680b1abbf4SAndi Kleen if (verbose > 1) { 3690b1abbf4SAndi Kleen fprintf(stat_config.output, 3700b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3710b1abbf4SAndi Kleen perf_evsel__name(counter), 3720b1abbf4SAndi Kleen cpu, 3730b1abbf4SAndi Kleen count->val, count->ena, count->run); 3740b1abbf4SAndi Kleen } 375f5b4a9c3SStephane Eranian } 3769bf1a529SJiri Olsa } 377c52b12edSArnaldo Carvalho de Melo 378c52b12edSArnaldo Carvalho de Melo return 0; 37986470930SIngo Molnar } 38086470930SIngo Molnar 3813df33effSMark Rutland static void read_counters(void) 382106a94a0SJiri Olsa { 383106a94a0SJiri Olsa struct perf_evsel *counter; 384db49a717SStephane Eranian int ret; 385106a94a0SJiri Olsa 386e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 387db49a717SStephane Eranian ret = read_counter(counter); 388db49a717SStephane Eranian if (ret) 389245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3903b3eb044SJiri Olsa 391db49a717SStephane Eranian if (ret == 0 && perf_stat_process_counter(&stat_config, counter)) 3923b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 393106a94a0SJiri Olsa } 394106a94a0SJiri Olsa } 395106a94a0SJiri Olsa 396ba411a95SJiri Olsa static void process_interval(void) 39713370a9bSStephane Eranian { 39813370a9bSStephane Eranian struct timespec ts, rs; 39913370a9bSStephane Eranian 4003df33effSMark Rutland read_counters(); 40186ee6e18SStephane Eranian 40213370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 40313370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 40413370a9bSStephane Eranian 4057aad0c32SJiri Olsa if (STAT_RECORD) { 406bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 4077aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 4087aad0c32SJiri Olsa } 4097aad0c32SJiri Olsa 410d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 41113370a9bSStephane Eranian } 41213370a9bSStephane Eranian 41367ccdecdSJiri Olsa static void enable_counters(void) 41441191688SAndi Kleen { 41567ccdecdSJiri Olsa if (initial_delay) 416310ebb93SArnaldo Carvalho de Melo usleep(initial_delay * USEC_PER_MSEC); 41767ccdecdSJiri Olsa 41867ccdecdSJiri Olsa /* 41967ccdecdSJiri Olsa * We need to enable counters only if: 42067ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 42167ccdecdSJiri Olsa * - we have initial delay configured 42267ccdecdSJiri Olsa */ 42367ccdecdSJiri Olsa if (!target__none(&target) || initial_delay) 424ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 42541191688SAndi Kleen } 42641191688SAndi Kleen 4273df33effSMark Rutland static void disable_counters(void) 4283df33effSMark Rutland { 4293df33effSMark Rutland /* 4303df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 4313df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 4323df33effSMark Rutland * from counting before reading their constituent counters. 4333df33effSMark Rutland */ 4343df33effSMark Rutland if (!target__none(&target)) 4353df33effSMark Rutland perf_evlist__disable(evsel_list); 4363df33effSMark Rutland } 4373df33effSMark Rutland 438f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 4396af206fdSArnaldo Carvalho de Melo 4406af206fdSArnaldo Carvalho de Melo /* 4416af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 4426af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 4436af206fdSArnaldo Carvalho de Melo * want_signal to true. 4446af206fdSArnaldo Carvalho de Melo */ 445f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 446f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 4476af206fdSArnaldo Carvalho de Melo { 448f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 4496af206fdSArnaldo Carvalho de Melo } 4506af206fdSArnaldo Carvalho de Melo 4517b60a7e3SJiri Olsa static bool has_unit(struct perf_evsel *counter) 4527b60a7e3SJiri Olsa { 4537b60a7e3SJiri Olsa return counter->unit && *counter->unit; 4547b60a7e3SJiri Olsa } 4557b60a7e3SJiri Olsa 4567b60a7e3SJiri Olsa static bool has_scale(struct perf_evsel *counter) 4577b60a7e3SJiri Olsa { 4587b60a7e3SJiri Olsa return counter->scale != 1; 4597b60a7e3SJiri Olsa } 4607b60a7e3SJiri Olsa 461664c98d4SJiri Olsa static int perf_stat_synthesize_config(bool is_pipe) 4628b99b1a4SJiri Olsa { 4637b60a7e3SJiri Olsa struct perf_evsel *counter; 4648b99b1a4SJiri Olsa int err; 4658b99b1a4SJiri Olsa 466664c98d4SJiri Olsa if (is_pipe) { 467664c98d4SJiri Olsa err = perf_event__synthesize_attrs(NULL, perf_stat.session, 468664c98d4SJiri Olsa process_synthesized_event); 469664c98d4SJiri Olsa if (err < 0) { 470664c98d4SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 471664c98d4SJiri Olsa return err; 472664c98d4SJiri Olsa } 473664c98d4SJiri Olsa } 474664c98d4SJiri Olsa 4757b60a7e3SJiri Olsa /* 4767b60a7e3SJiri Olsa * Synthesize other events stuff not carried within 4777b60a7e3SJiri Olsa * attr event - unit, scale, name 4787b60a7e3SJiri Olsa */ 479e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 4807b60a7e3SJiri Olsa if (!counter->supported) 4817b60a7e3SJiri Olsa continue; 4827b60a7e3SJiri Olsa 4837b60a7e3SJiri Olsa /* 4847b60a7e3SJiri Olsa * Synthesize unit and scale only if it's defined. 4857b60a7e3SJiri Olsa */ 4867b60a7e3SJiri Olsa if (has_unit(counter)) { 4877b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); 4887b60a7e3SJiri Olsa if (err < 0) { 4897b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel unit.\n"); 4907b60a7e3SJiri Olsa return err; 4917b60a7e3SJiri Olsa } 4927b60a7e3SJiri Olsa } 4937b60a7e3SJiri Olsa 4947b60a7e3SJiri Olsa if (has_scale(counter)) { 4957b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); 4967b60a7e3SJiri Olsa if (err < 0) { 4977b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 4987b60a7e3SJiri Olsa return err; 4997b60a7e3SJiri Olsa } 5007b60a7e3SJiri Olsa } 5017b60a7e3SJiri Olsa 5027b60a7e3SJiri Olsa if (counter->own_cpus) { 5037b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); 5047b60a7e3SJiri Olsa if (err < 0) { 5057b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 5067b60a7e3SJiri Olsa return err; 5077b60a7e3SJiri Olsa } 5087b60a7e3SJiri Olsa } 5097b60a7e3SJiri Olsa 5107b60a7e3SJiri Olsa /* 5117b60a7e3SJiri Olsa * Name is needed only for pipe output, 5127b60a7e3SJiri Olsa * perf.data carries event names. 5137b60a7e3SJiri Olsa */ 5147b60a7e3SJiri Olsa if (is_pipe) { 5157b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); 5167b60a7e3SJiri Olsa if (err < 0) { 5177b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel name.\n"); 5187b60a7e3SJiri Olsa return err; 5197b60a7e3SJiri Olsa } 5207b60a7e3SJiri Olsa } 5217b60a7e3SJiri Olsa } 5227b60a7e3SJiri Olsa 5238b99b1a4SJiri Olsa err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, 5248b99b1a4SJiri Olsa process_synthesized_event, 5258b99b1a4SJiri Olsa NULL); 5268b99b1a4SJiri Olsa if (err < 0) { 5278b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5288b99b1a4SJiri Olsa return err; 5298b99b1a4SJiri Olsa } 5308b99b1a4SJiri Olsa 5318b99b1a4SJiri Olsa err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, 5328b99b1a4SJiri Olsa process_synthesized_event, NULL); 5338b99b1a4SJiri Olsa if (err < 0) { 5348b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5358b99b1a4SJiri Olsa return err; 5368b99b1a4SJiri Olsa } 5378b99b1a4SJiri Olsa 5388b99b1a4SJiri Olsa err = perf_event__synthesize_stat_config(NULL, &stat_config, 5398b99b1a4SJiri Olsa process_synthesized_event, NULL); 5408b99b1a4SJiri Olsa if (err < 0) { 5418b99b1a4SJiri Olsa pr_err("Couldn't synthesize config.\n"); 5428b99b1a4SJiri Olsa return err; 5438b99b1a4SJiri Olsa } 5448b99b1a4SJiri Olsa 5458b99b1a4SJiri Olsa return 0; 5468b99b1a4SJiri Olsa } 5478b99b1a4SJiri Olsa 5482af4646dSJiri Olsa #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 5492af4646dSJiri Olsa 5502af4646dSJiri Olsa static int __store_counter_ids(struct perf_evsel *counter, 5512af4646dSJiri Olsa struct cpu_map *cpus, 5522af4646dSJiri Olsa struct thread_map *threads) 5532af4646dSJiri Olsa { 5542af4646dSJiri Olsa int cpu, thread; 5552af4646dSJiri Olsa 5562af4646dSJiri Olsa for (cpu = 0; cpu < cpus->nr; cpu++) { 5572af4646dSJiri Olsa for (thread = 0; thread < threads->nr; thread++) { 5582af4646dSJiri Olsa int fd = FD(counter, cpu, thread); 5592af4646dSJiri Olsa 5602af4646dSJiri Olsa if (perf_evlist__id_add_fd(evsel_list, counter, 5612af4646dSJiri Olsa cpu, thread, fd) < 0) 5622af4646dSJiri Olsa return -1; 5632af4646dSJiri Olsa } 5642af4646dSJiri Olsa } 5652af4646dSJiri Olsa 5662af4646dSJiri Olsa return 0; 5672af4646dSJiri Olsa } 5682af4646dSJiri Olsa 5692af4646dSJiri Olsa static int store_counter_ids(struct perf_evsel *counter) 5702af4646dSJiri Olsa { 5712af4646dSJiri Olsa struct cpu_map *cpus = counter->cpus; 5722af4646dSJiri Olsa struct thread_map *threads = counter->threads; 5732af4646dSJiri Olsa 5742af4646dSJiri Olsa if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) 5752af4646dSJiri Olsa return -ENOMEM; 5762af4646dSJiri Olsa 5772af4646dSJiri Olsa return __store_counter_ids(counter, cpus, threads); 5782af4646dSJiri Olsa } 5792af4646dSJiri Olsa 58082bf311eSJiri Olsa static bool perf_evsel__should_store_id(struct perf_evsel *counter) 58182bf311eSJiri Olsa { 58282bf311eSJiri Olsa return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID; 58382bf311eSJiri Olsa } 58482bf311eSJiri Olsa 585acf28922SNamhyung Kim static int __run_perf_stat(int argc, const char **argv) 58686470930SIngo Molnar { 587ec0d3d1fSJiri Olsa int interval = stat_config.interval; 588d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 58986470930SIngo Molnar unsigned long long t0, t1; 590cac21425SJiri Olsa struct perf_evsel *counter; 59113370a9bSStephane Eranian struct timespec ts; 592410136f5SStephane Eranian size_t l; 59342202dd5SIngo Molnar int status = 0; 5946be2850eSZhang, Yanmin const bool forks = (argc > 0); 595664c98d4SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; 5965d8bb1ecSMathieu Poirier struct perf_evsel_config_term *err_term; 59786470930SIngo Molnar 59813370a9bSStephane Eranian if (interval) { 599310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 600310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 60113370a9bSStephane Eranian } else { 60213370a9bSStephane Eranian ts.tv_sec = 1; 60313370a9bSStephane Eranian ts.tv_nsec = 0; 60413370a9bSStephane Eranian } 60513370a9bSStephane Eranian 606acf28922SNamhyung Kim if (forks) { 607664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 608735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 609acf28922SNamhyung Kim perror("failed to prepare workload"); 610fceda7feSDavid Ahern return -1; 611051ae7f7SPaul Mackerras } 612d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 61360666c63SLiming Wang } 614051ae7f7SPaul Mackerras 6156a4bb04cSJiri Olsa if (group) 61663dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 6176a4bb04cSJiri Olsa 618e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 61942ef8a78SArnaldo Carvalho de Melo try_again: 620cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 621979987a5SDavid Ahern /* 622979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 623979987a5SDavid Ahern * (behavior changed with commit b0a873e). 624979987a5SDavid Ahern */ 62538f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 626979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 627979987a5SDavid Ahern errno == ENXIO) { 628bb963e16SNamhyung Kim if (verbose > 0) 629c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 6307289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 6312cee77c4SDavid Ahern counter->supported = false; 632cb5ef600SKan Liang 633cb5ef600SKan Liang if ((counter->leader != counter) || 634cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 635ede70290SIngo Molnar continue; 63642ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 637bb963e16SNamhyung Kim if (verbose > 0) 63842ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 63942ef8a78SArnaldo Carvalho de Melo goto try_again; 640c63ca0c0SDavid Ahern } 641ede70290SIngo Molnar 64256e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 64356e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 64456e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 64556e52e85SArnaldo Carvalho de Melo 646084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 647084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 648fceda7feSDavid Ahern 649084ab9f8SArnaldo Carvalho de Melo return -1; 650084ab9f8SArnaldo Carvalho de Melo } 6512cee77c4SDavid Ahern counter->supported = true; 652410136f5SStephane Eranian 653410136f5SStephane Eranian l = strlen(counter->unit); 654410136f5SStephane Eranian if (l > unit_width) 655410136f5SStephane Eranian unit_width = l; 6562af4646dSJiri Olsa 65782bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 65882bf311eSJiri Olsa store_counter_ids(counter)) 6592af4646dSJiri Olsa return -1; 66048290609SArnaldo Carvalho de Melo } 66186470930SIngo Molnar 66223d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 66362d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 66423d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 665c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 666cfd748aeSFrederic Weisbecker return -1; 667cfd748aeSFrederic Weisbecker } 668cfd748aeSFrederic Weisbecker 6695d8bb1ecSMathieu Poirier if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) { 67062d94b00SArnaldo Carvalho de Melo pr_err("failed to set config \"%s\" on event %s with %d (%s)\n", 6715d8bb1ecSMathieu Poirier err_term->val.drv_cfg, perf_evsel__name(counter), errno, 6725d8bb1ecSMathieu Poirier str_error_r(errno, msg, sizeof(msg))); 6735d8bb1ecSMathieu Poirier return -1; 6745d8bb1ecSMathieu Poirier } 6755d8bb1ecSMathieu Poirier 6764979d0c7SJiri Olsa if (STAT_RECORD) { 6774979d0c7SJiri Olsa int err, fd = perf_data_file__fd(&perf_stat.file); 6784979d0c7SJiri Olsa 679664c98d4SJiri Olsa if (is_pipe) { 680664c98d4SJiri Olsa err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); 681664c98d4SJiri Olsa } else { 6824979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 6834979d0c7SJiri Olsa fd, false); 684664c98d4SJiri Olsa } 685664c98d4SJiri Olsa 6864979d0c7SJiri Olsa if (err < 0) 6874979d0c7SJiri Olsa return err; 6888b99b1a4SJiri Olsa 689664c98d4SJiri Olsa err = perf_stat_synthesize_config(is_pipe); 6908b99b1a4SJiri Olsa if (err < 0) 6918b99b1a4SJiri Olsa return err; 6924979d0c7SJiri Olsa } 6934979d0c7SJiri Olsa 69486470930SIngo Molnar /* 69586470930SIngo Molnar * Enable counters and exec the command: 69686470930SIngo Molnar */ 69786470930SIngo Molnar t0 = rdclock(); 69813370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 69986470930SIngo Molnar 70060666c63SLiming Wang if (forks) { 701acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 70267ccdecdSJiri Olsa enable_counters(); 703acf28922SNamhyung Kim 70413370a9bSStephane Eranian if (interval) { 70513370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 70613370a9bSStephane Eranian nanosleep(&ts, NULL); 707ba411a95SJiri Olsa process_interval(); 70813370a9bSStephane Eranian } 70913370a9bSStephane Eranian } 71042202dd5SIngo Molnar wait(&status); 7116af206fdSArnaldo Carvalho de Melo 712f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 713c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 714f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 7156af206fdSArnaldo Carvalho de Melo return -1; 716f33cbe72SArnaldo Carvalho de Melo } 7176af206fdSArnaldo Carvalho de Melo 71833e49ea7SAndi Kleen if (WIFSIGNALED(status)) 71933e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 72060666c63SLiming Wang } else { 72167ccdecdSJiri Olsa enable_counters(); 72213370a9bSStephane Eranian while (!done) { 72313370a9bSStephane Eranian nanosleep(&ts, NULL); 72413370a9bSStephane Eranian if (interval) 725ba411a95SJiri Olsa process_interval(); 72613370a9bSStephane Eranian } 72760666c63SLiming Wang } 72886470930SIngo Molnar 7293df33effSMark Rutland disable_counters(); 7303df33effSMark Rutland 73186470930SIngo Molnar t1 = rdclock(); 73286470930SIngo Molnar 7339e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 73442202dd5SIngo Molnar 7353df33effSMark Rutland /* 7363df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 7373df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 7383df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 7393df33effSMark Rutland * group leaders. 7403df33effSMark Rutland */ 7413df33effSMark Rutland read_counters(); 7423df33effSMark Rutland perf_evlist__close(evsel_list); 743c52b12edSArnaldo Carvalho de Melo 74442202dd5SIngo Molnar return WEXITSTATUS(status); 74542202dd5SIngo Molnar } 74642202dd5SIngo Molnar 74741cde476SArnaldo Carvalho de Melo static int run_perf_stat(int argc, const char **argv) 7481f16c575SPeter Zijlstra { 7491f16c575SPeter Zijlstra int ret; 7501f16c575SPeter Zijlstra 7511f16c575SPeter Zijlstra if (pre_cmd) { 7521f16c575SPeter Zijlstra ret = system(pre_cmd); 7531f16c575SPeter Zijlstra if (ret) 7541f16c575SPeter Zijlstra return ret; 7551f16c575SPeter Zijlstra } 7561f16c575SPeter Zijlstra 7571f16c575SPeter Zijlstra if (sync_run) 7581f16c575SPeter Zijlstra sync(); 7591f16c575SPeter Zijlstra 7601f16c575SPeter Zijlstra ret = __run_perf_stat(argc, argv); 7611f16c575SPeter Zijlstra if (ret) 7621f16c575SPeter Zijlstra return ret; 7631f16c575SPeter Zijlstra 7641f16c575SPeter Zijlstra if (post_cmd) { 7651f16c575SPeter Zijlstra ret = system(post_cmd); 7661f16c575SPeter Zijlstra if (ret) 7671f16c575SPeter Zijlstra return ret; 7681f16c575SPeter Zijlstra } 7691f16c575SPeter Zijlstra 7701f16c575SPeter Zijlstra return ret; 7711f16c575SPeter Zijlstra } 7721f16c575SPeter Zijlstra 773d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 774d73515c0SAndi Kleen { 775d73515c0SAndi Kleen if (csv_output) { 7765821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 777d73515c0SAndi Kleen csv_sep, 778d73515c0SAndi Kleen run, 779d73515c0SAndi Kleen csv_sep, 780d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 781d73515c0SAndi Kleen } else if (run != ena) { 7825821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 783d73515c0SAndi Kleen } 784d73515c0SAndi Kleen } 785d73515c0SAndi Kleen 786f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 787f99844cbSIngo Molnar { 7880007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 789f99844cbSIngo Molnar 7903ae9a34dSZhengyu He if (csv_output) 7915821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 792a1bca6ccSJim Cromie else if (pct) 7935821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 794f99844cbSIngo Molnar } 795f99844cbSIngo Molnar 79669aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 79742202dd5SIngo Molnar { 798581cc8a2SJiri Olsa struct perf_stat_evsel *ps; 79969aad6f1SArnaldo Carvalho de Melo 800849abde9SPeter Zijlstra if (run_count == 1) 801849abde9SPeter Zijlstra return; 802849abde9SPeter Zijlstra 80369aad6f1SArnaldo Carvalho de Melo ps = evsel->priv; 804f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 80542202dd5SIngo Molnar } 80642202dd5SIngo Molnar 80712c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 80842202dd5SIngo Molnar { 809421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 81012c08a9fSStephane Eranian case AGGR_CORE: 8115821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 81212c08a9fSStephane Eranian cpu_map__id_to_socket(id), 81312c08a9fSStephane Eranian csv_output ? 0 : -8, 81412c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 81512c08a9fSStephane Eranian csv_sep, 81612c08a9fSStephane Eranian csv_output ? 0 : 4, 81712c08a9fSStephane Eranian nr, 81812c08a9fSStephane Eranian csv_sep); 81912c08a9fSStephane Eranian break; 82086ee6e18SStephane Eranian case AGGR_SOCKET: 8215821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 822d7e7a451SStephane Eranian csv_output ? 0 : -5, 82312c08a9fSStephane Eranian id, 824d7e7a451SStephane Eranian csv_sep, 825d7e7a451SStephane Eranian csv_output ? 0 : 4, 826d7e7a451SStephane Eranian nr, 827d7e7a451SStephane Eranian csv_sep); 82886ee6e18SStephane Eranian break; 82986ee6e18SStephane Eranian case AGGR_NONE: 8305821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 831d7470b6aSStephane Eranian csv_output ? 0 : -4, 83212c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 83386ee6e18SStephane Eranian break; 83432b8af82SJiri Olsa case AGGR_THREAD: 8355821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 83632b8af82SJiri Olsa csv_output ? 0 : 16, 83732b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 83832b8af82SJiri Olsa csv_output ? 0 : -8, 83932b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 84032b8af82SJiri Olsa csv_sep); 84132b8af82SJiri Olsa break; 84286ee6e18SStephane Eranian case AGGR_GLOBAL: 843208df99eSJiri Olsa case AGGR_UNSET: 84486ee6e18SStephane Eranian default: 84586ee6e18SStephane Eranian break; 84686ee6e18SStephane Eranian } 84786ee6e18SStephane Eranian } 848d7470b6aSStephane Eranian 849140aeadcSAndi Kleen struct outstate { 850140aeadcSAndi Kleen FILE *fh; 851140aeadcSAndi Kleen bool newline; 852f9483392SAndi Kleen const char *prefix; 85392a61f64SAndi Kleen int nfields; 85444d49a60SAndi Kleen int id, nr; 85544d49a60SAndi Kleen struct perf_evsel *evsel; 856140aeadcSAndi Kleen }; 857140aeadcSAndi Kleen 858140aeadcSAndi Kleen #define METRIC_LEN 35 859140aeadcSAndi Kleen 860140aeadcSAndi Kleen static void new_line_std(void *ctx) 861140aeadcSAndi Kleen { 862140aeadcSAndi Kleen struct outstate *os = ctx; 863140aeadcSAndi Kleen 864140aeadcSAndi Kleen os->newline = true; 865140aeadcSAndi Kleen } 866140aeadcSAndi Kleen 867140aeadcSAndi Kleen static void do_new_line_std(struct outstate *os) 868140aeadcSAndi Kleen { 869140aeadcSAndi Kleen fputc('\n', os->fh); 870f9483392SAndi Kleen fputs(os->prefix, os->fh); 87144d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 872140aeadcSAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 873140aeadcSAndi Kleen fprintf(os->fh, " "); 874140aeadcSAndi Kleen fprintf(os->fh, " "); 875140aeadcSAndi Kleen } 876140aeadcSAndi Kleen 877140aeadcSAndi Kleen static void print_metric_std(void *ctx, const char *color, const char *fmt, 878140aeadcSAndi Kleen const char *unit, double val) 879140aeadcSAndi Kleen { 880140aeadcSAndi Kleen struct outstate *os = ctx; 881140aeadcSAndi Kleen FILE *out = os->fh; 882140aeadcSAndi Kleen int n; 883140aeadcSAndi Kleen bool newline = os->newline; 884140aeadcSAndi Kleen 885140aeadcSAndi Kleen os->newline = false; 886140aeadcSAndi Kleen 887140aeadcSAndi Kleen if (unit == NULL || fmt == NULL) { 888140aeadcSAndi Kleen fprintf(out, "%-*s", METRIC_LEN, ""); 889140aeadcSAndi Kleen return; 890140aeadcSAndi Kleen } 891140aeadcSAndi Kleen 892140aeadcSAndi Kleen if (newline) 893140aeadcSAndi Kleen do_new_line_std(os); 894140aeadcSAndi Kleen 895140aeadcSAndi Kleen n = fprintf(out, " # "); 896140aeadcSAndi Kleen if (color) 897140aeadcSAndi Kleen n += color_fprintf(out, color, fmt, val); 898140aeadcSAndi Kleen else 899140aeadcSAndi Kleen n += fprintf(out, fmt, val); 900140aeadcSAndi Kleen fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 901140aeadcSAndi Kleen } 902140aeadcSAndi Kleen 90392a61f64SAndi Kleen static void new_line_csv(void *ctx) 90492a61f64SAndi Kleen { 90592a61f64SAndi Kleen struct outstate *os = ctx; 90692a61f64SAndi Kleen int i; 90792a61f64SAndi Kleen 90892a61f64SAndi Kleen fputc('\n', os->fh); 90992a61f64SAndi Kleen if (os->prefix) 91092a61f64SAndi Kleen fprintf(os->fh, "%s%s", os->prefix, csv_sep); 91144d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 91292a61f64SAndi Kleen for (i = 0; i < os->nfields; i++) 91392a61f64SAndi Kleen fputs(csv_sep, os->fh); 91492a61f64SAndi Kleen } 91592a61f64SAndi Kleen 91692a61f64SAndi Kleen static void print_metric_csv(void *ctx, 91792a61f64SAndi Kleen const char *color __maybe_unused, 91892a61f64SAndi Kleen const char *fmt, const char *unit, double val) 91992a61f64SAndi Kleen { 92092a61f64SAndi Kleen struct outstate *os = ctx; 92192a61f64SAndi Kleen FILE *out = os->fh; 92292a61f64SAndi Kleen char buf[64], *vals, *ends; 92392a61f64SAndi Kleen 92492a61f64SAndi Kleen if (unit == NULL || fmt == NULL) { 92592a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep); 92692a61f64SAndi Kleen return; 92792a61f64SAndi Kleen } 92892a61f64SAndi Kleen snprintf(buf, sizeof(buf), fmt, val); 929b07c40dfSTaeung Song ends = vals = ltrim(buf); 93092a61f64SAndi Kleen while (isdigit(*ends) || *ends == '.') 93192a61f64SAndi Kleen ends++; 93292a61f64SAndi Kleen *ends = 0; 93392a61f64SAndi Kleen while (isspace(*unit)) 93492a61f64SAndi Kleen unit++; 93592a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); 93692a61f64SAndi Kleen } 93792a61f64SAndi Kleen 93854b50916SAndi Kleen #define METRIC_ONLY_LEN 20 93954b50916SAndi Kleen 94054b50916SAndi Kleen /* Filter out some columns that don't work well in metrics only mode */ 94154b50916SAndi Kleen 94254b50916SAndi Kleen static bool valid_only_metric(const char *unit) 94354b50916SAndi Kleen { 94454b50916SAndi Kleen if (!unit) 94554b50916SAndi Kleen return false; 94654b50916SAndi Kleen if (strstr(unit, "/sec") || 94754b50916SAndi Kleen strstr(unit, "hz") || 94854b50916SAndi Kleen strstr(unit, "Hz") || 94954b50916SAndi Kleen strstr(unit, "CPUs utilized")) 95054b50916SAndi Kleen return false; 95154b50916SAndi Kleen return true; 95254b50916SAndi Kleen } 95354b50916SAndi Kleen 95454b50916SAndi Kleen static const char *fixunit(char *buf, struct perf_evsel *evsel, 95554b50916SAndi Kleen const char *unit) 95654b50916SAndi Kleen { 95754b50916SAndi Kleen if (!strncmp(unit, "of all", 6)) { 95854b50916SAndi Kleen snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), 95954b50916SAndi Kleen unit); 96054b50916SAndi Kleen return buf; 96154b50916SAndi Kleen } 96254b50916SAndi Kleen return unit; 96354b50916SAndi Kleen } 96454b50916SAndi Kleen 96554b50916SAndi Kleen static void print_metric_only(void *ctx, const char *color, const char *fmt, 96654b50916SAndi Kleen const char *unit, double val) 96754b50916SAndi Kleen { 96854b50916SAndi Kleen struct outstate *os = ctx; 96954b50916SAndi Kleen FILE *out = os->fh; 97054b50916SAndi Kleen int n; 97154b50916SAndi Kleen char buf[1024]; 97254b50916SAndi Kleen unsigned mlen = METRIC_ONLY_LEN; 97354b50916SAndi Kleen 97454b50916SAndi Kleen if (!valid_only_metric(unit)) 97554b50916SAndi Kleen return; 97654b50916SAndi Kleen unit = fixunit(buf, os->evsel, unit); 97754b50916SAndi Kleen if (color) 97854b50916SAndi Kleen n = color_fprintf(out, color, fmt, val); 97954b50916SAndi Kleen else 98054b50916SAndi Kleen n = fprintf(out, fmt, val); 98154b50916SAndi Kleen if (n > METRIC_ONLY_LEN) 98254b50916SAndi Kleen n = METRIC_ONLY_LEN; 98354b50916SAndi Kleen if (mlen < strlen(unit)) 98454b50916SAndi Kleen mlen = strlen(unit) + 1; 98554b50916SAndi Kleen fprintf(out, "%*s", mlen - n, ""); 98654b50916SAndi Kleen } 98754b50916SAndi Kleen 98854b50916SAndi Kleen static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, 98954b50916SAndi Kleen const char *fmt, 99054b50916SAndi Kleen const char *unit, double val) 99154b50916SAndi Kleen { 99254b50916SAndi Kleen struct outstate *os = ctx; 99354b50916SAndi Kleen FILE *out = os->fh; 99454b50916SAndi Kleen char buf[64], *vals, *ends; 99554b50916SAndi Kleen char tbuf[1024]; 99654b50916SAndi Kleen 99754b50916SAndi Kleen if (!valid_only_metric(unit)) 99854b50916SAndi Kleen return; 99954b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 100054b50916SAndi Kleen snprintf(buf, sizeof buf, fmt, val); 1001b07c40dfSTaeung Song ends = vals = ltrim(buf); 100254b50916SAndi Kleen while (isdigit(*ends) || *ends == '.') 100354b50916SAndi Kleen ends++; 100454b50916SAndi Kleen *ends = 0; 100554b50916SAndi Kleen fprintf(out, "%s%s", vals, csv_sep); 100654b50916SAndi Kleen } 100754b50916SAndi Kleen 100854b50916SAndi Kleen static void new_line_metric(void *ctx __maybe_unused) 100954b50916SAndi Kleen { 101054b50916SAndi Kleen } 101154b50916SAndi Kleen 101254b50916SAndi Kleen static void print_metric_header(void *ctx, const char *color __maybe_unused, 101354b50916SAndi Kleen const char *fmt __maybe_unused, 101454b50916SAndi Kleen const char *unit, double val __maybe_unused) 101554b50916SAndi Kleen { 101654b50916SAndi Kleen struct outstate *os = ctx; 101754b50916SAndi Kleen char tbuf[1024]; 101854b50916SAndi Kleen 101954b50916SAndi Kleen if (!valid_only_metric(unit)) 102054b50916SAndi Kleen return; 102154b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 102254b50916SAndi Kleen if (csv_output) 102354b50916SAndi Kleen fprintf(os->fh, "%s%s", unit, csv_sep); 102454b50916SAndi Kleen else 102554b50916SAndi Kleen fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); 102654b50916SAndi Kleen } 102754b50916SAndi Kleen 1028da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 102986ee6e18SStephane Eranian { 10305821522eSJiri Olsa FILE *output = stat_config.output; 1031310ebb93SArnaldo Carvalho de Melo double msecs = avg / NSEC_PER_MSEC; 1032410136f5SStephane Eranian const char *fmt_v, *fmt_n; 10334bbe5a61SDavid Ahern char name[25]; 103486ee6e18SStephane Eranian 1035410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 1036410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 1037410136f5SStephane Eranian 1038da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 103986ee6e18SStephane Eranian 10404bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 10414bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 1042410136f5SStephane Eranian 1043410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 1044410136f5SStephane Eranian 1045410136f5SStephane Eranian if (csv_output) 1046410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 1047410136f5SStephane Eranian else 1048410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 1049410136f5SStephane Eranian 1050410136f5SStephane Eranian fprintf(output, fmt_n, name); 1051d7470b6aSStephane Eranian 1052023695d9SStephane Eranian if (evsel->cgrp) 10534aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 105442202dd5SIngo Molnar } 105542202dd5SIngo Molnar 105644d49a60SAndi Kleen static int first_shadow_cpu(struct perf_evsel *evsel, int id) 105744d49a60SAndi Kleen { 105844d49a60SAndi Kleen int i; 105944d49a60SAndi Kleen 106044d49a60SAndi Kleen if (!aggr_get_id) 106144d49a60SAndi Kleen return 0; 106244d49a60SAndi Kleen 106344d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 106444d49a60SAndi Kleen return id; 106544d49a60SAndi Kleen 106644d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL) 106744d49a60SAndi Kleen return 0; 106844d49a60SAndi Kleen 106944d49a60SAndi Kleen for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { 107044d49a60SAndi Kleen int cpu2 = perf_evsel__cpus(evsel)->map[i]; 107144d49a60SAndi Kleen 107244d49a60SAndi Kleen if (aggr_get_id(evsel_list->cpus, cpu2) == id) 107344d49a60SAndi Kleen return cpu2; 107444d49a60SAndi Kleen } 107544d49a60SAndi Kleen return 0; 107644d49a60SAndi Kleen } 107744d49a60SAndi Kleen 1078556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 1079556b1fb7SJiri Olsa { 10805821522eSJiri Olsa FILE *output = stat_config.output; 1081556b1fb7SJiri Olsa double sc = evsel->scale; 1082556b1fb7SJiri Olsa const char *fmt; 1083556b1fb7SJiri Olsa 1084556b1fb7SJiri Olsa if (csv_output) { 1085e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; 1086556b1fb7SJiri Olsa } else { 1087556b1fb7SJiri Olsa if (big_num) 1088e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; 1089556b1fb7SJiri Olsa else 1090e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; 1091556b1fb7SJiri Olsa } 1092556b1fb7SJiri Olsa 1093556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 1094556b1fb7SJiri Olsa 1095556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 1096556b1fb7SJiri Olsa 1097556b1fb7SJiri Olsa if (evsel->unit) 1098556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 1099556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 1100556b1fb7SJiri Olsa evsel->unit, csv_sep); 1101556b1fb7SJiri Olsa 1102556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 1103556b1fb7SJiri Olsa 1104556b1fb7SJiri Olsa if (evsel->cgrp) 1105556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 1106eedfcb4bSAndi Kleen } 1107556b1fb7SJiri Olsa 1108f9483392SAndi Kleen static void printout(int id, int nr, struct perf_evsel *counter, double uval, 1109cb110f47SAndi Kleen char *prefix, u64 run, u64 ena, double noise) 1110eedfcb4bSAndi Kleen { 1111140aeadcSAndi Kleen struct perf_stat_output_ctx out; 1112f9483392SAndi Kleen struct outstate os = { 1113f9483392SAndi Kleen .fh = stat_config.output, 111444d49a60SAndi Kleen .prefix = prefix ? prefix : "", 111544d49a60SAndi Kleen .id = id, 111644d49a60SAndi Kleen .nr = nr, 111744d49a60SAndi Kleen .evsel = counter, 1118f9483392SAndi Kleen }; 1119140aeadcSAndi Kleen print_metric_t pm = print_metric_std; 1120140aeadcSAndi Kleen void (*nl)(void *); 1121556b1fb7SJiri Olsa 112254b50916SAndi Kleen if (metric_only) { 112354b50916SAndi Kleen nl = new_line_metric; 112454b50916SAndi Kleen if (csv_output) 112554b50916SAndi Kleen pm = print_metric_only_csv; 112654b50916SAndi Kleen else 112754b50916SAndi Kleen pm = print_metric_only; 112854b50916SAndi Kleen } else 1129140aeadcSAndi Kleen nl = new_line_std; 1130eedfcb4bSAndi Kleen 113154b50916SAndi Kleen if (csv_output && !metric_only) { 113292a61f64SAndi Kleen static int aggr_fields[] = { 113392a61f64SAndi Kleen [AGGR_GLOBAL] = 0, 113492a61f64SAndi Kleen [AGGR_THREAD] = 1, 113592a61f64SAndi Kleen [AGGR_NONE] = 1, 113692a61f64SAndi Kleen [AGGR_SOCKET] = 2, 113792a61f64SAndi Kleen [AGGR_CORE] = 2, 113892a61f64SAndi Kleen }; 113992a61f64SAndi Kleen 114092a61f64SAndi Kleen pm = print_metric_csv; 114192a61f64SAndi Kleen nl = new_line_csv; 114292a61f64SAndi Kleen os.nfields = 3; 114392a61f64SAndi Kleen os.nfields += aggr_fields[stat_config.aggr_mode]; 114492a61f64SAndi Kleen if (counter->cgrp) 114592a61f64SAndi Kleen os.nfields++; 114692a61f64SAndi Kleen } 1147b002f3bbSAndi Kleen if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 114854b50916SAndi Kleen if (metric_only) { 114954b50916SAndi Kleen pm(&os, NULL, "", "", 0); 115054b50916SAndi Kleen return; 115154b50916SAndi Kleen } 1152cb110f47SAndi Kleen aggr_printout(counter, id, nr); 1153cb110f47SAndi Kleen 1154cb110f47SAndi Kleen fprintf(stat_config.output, "%*s%s", 1155cb110f47SAndi Kleen csv_output ? 0 : 18, 1156cb110f47SAndi Kleen counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 1157cb110f47SAndi Kleen csv_sep); 1158cb110f47SAndi Kleen 115902d492e5SBorislav Petkov if (counter->supported) 116002d492e5SBorislav Petkov print_free_counters_hint = 1; 116102d492e5SBorislav Petkov 1162cb110f47SAndi Kleen fprintf(stat_config.output, "%-*s%s", 1163cb110f47SAndi Kleen csv_output ? 0 : unit_width, 1164cb110f47SAndi Kleen counter->unit, csv_sep); 1165cb110f47SAndi Kleen 1166cb110f47SAndi Kleen fprintf(stat_config.output, "%*s", 1167cb110f47SAndi Kleen csv_output ? 0 : -25, 1168cb110f47SAndi Kleen perf_evsel__name(counter)); 1169cb110f47SAndi Kleen 1170cb110f47SAndi Kleen if (counter->cgrp) 1171cb110f47SAndi Kleen fprintf(stat_config.output, "%s%s", 1172cb110f47SAndi Kleen csv_sep, counter->cgrp->name); 1173cb110f47SAndi Kleen 117492a61f64SAndi Kleen if (!csv_output) 117592a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 117692a61f64SAndi Kleen print_noise(counter, noise); 1177cb110f47SAndi Kleen print_running(run, ena); 117892a61f64SAndi Kleen if (csv_output) 117992a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 1180cb110f47SAndi Kleen return; 1181cb110f47SAndi Kleen } 1182cb110f47SAndi Kleen 118354b50916SAndi Kleen if (metric_only) 118454b50916SAndi Kleen /* nothing */; 118554b50916SAndi Kleen else if (nsec_counter(counter)) 1186eedfcb4bSAndi Kleen nsec_printout(id, nr, counter, uval); 1187eedfcb4bSAndi Kleen else 1188eedfcb4bSAndi Kleen abs_printout(id, nr, counter, uval); 1189eedfcb4bSAndi Kleen 1190140aeadcSAndi Kleen out.print_metric = pm; 1191140aeadcSAndi Kleen out.new_line = nl; 1192140aeadcSAndi Kleen out.ctx = &os; 119337932c18SAndi Kleen out.force_header = false; 1194140aeadcSAndi Kleen 119554b50916SAndi Kleen if (csv_output && !metric_only) { 119692a61f64SAndi Kleen print_noise(counter, noise); 119792a61f64SAndi Kleen print_running(run, ena); 119892a61f64SAndi Kleen } 119992a61f64SAndi Kleen 1200140aeadcSAndi Kleen perf_stat__print_shadow_stats(counter, uval, 120144d49a60SAndi Kleen first_shadow_cpu(counter, id), 1202140aeadcSAndi Kleen &out); 120354b50916SAndi Kleen if (!csv_output && !metric_only) { 1204cb110f47SAndi Kleen print_noise(counter, noise); 1205cb110f47SAndi Kleen print_running(run, ena); 1206556b1fb7SJiri Olsa } 120792a61f64SAndi Kleen } 1208556b1fb7SJiri Olsa 120944d49a60SAndi Kleen static void aggr_update_shadow(void) 121044d49a60SAndi Kleen { 121144d49a60SAndi Kleen int cpu, s2, id, s; 121244d49a60SAndi Kleen u64 val; 121344d49a60SAndi Kleen struct perf_evsel *counter; 121444d49a60SAndi Kleen 121544d49a60SAndi Kleen for (s = 0; s < aggr_map->nr; s++) { 121644d49a60SAndi Kleen id = aggr_map->map[s]; 1217e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 121844d49a60SAndi Kleen val = 0; 121944d49a60SAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 122044d49a60SAndi Kleen s2 = aggr_get_id(evsel_list->cpus, cpu); 122144d49a60SAndi Kleen if (s2 != id) 122244d49a60SAndi Kleen continue; 122344d49a60SAndi Kleen val += perf_counts(counter->counts, cpu, 0)->val; 122444d49a60SAndi Kleen } 122544d49a60SAndi Kleen val = val * counter->scale; 122644d49a60SAndi Kleen perf_stat__update_shadow_stats(counter, &val, 122744d49a60SAndi Kleen first_shadow_cpu(counter, id)); 122844d49a60SAndi Kleen } 122944d49a60SAndi Kleen } 123044d49a60SAndi Kleen } 123144d49a60SAndi Kleen 1232430daf2dSAndi Kleen static void collect_all_aliases(struct perf_evsel *counter, 1233fbe51fbaSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1234fbe51fbaSAndi Kleen bool first), 1235fbe51fbaSAndi Kleen void *data) 1236fbe51fbaSAndi Kleen { 1237430daf2dSAndi Kleen struct perf_evsel *alias; 1238430daf2dSAndi Kleen 1239430daf2dSAndi Kleen alias = list_prepare_entry(counter, &(evsel_list->entries), node); 1240430daf2dSAndi Kleen list_for_each_entry_continue (alias, &evsel_list->entries, node) { 1241430daf2dSAndi Kleen if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) || 1242430daf2dSAndi Kleen alias->scale != counter->scale || 1243430daf2dSAndi Kleen alias->cgrp != counter->cgrp || 1244430daf2dSAndi Kleen strcmp(alias->unit, counter->unit) || 1245430daf2dSAndi Kleen nsec_counter(alias) != nsec_counter(counter)) 1246430daf2dSAndi Kleen break; 1247430daf2dSAndi Kleen alias->merged_stat = true; 1248430daf2dSAndi Kleen cb(alias, data, false); 1249430daf2dSAndi Kleen } 1250430daf2dSAndi Kleen } 1251430daf2dSAndi Kleen 1252430daf2dSAndi Kleen static bool collect_data(struct perf_evsel *counter, 1253430daf2dSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1254430daf2dSAndi Kleen bool first), 1255430daf2dSAndi Kleen void *data) 1256430daf2dSAndi Kleen { 1257430daf2dSAndi Kleen if (counter->merged_stat) 1258430daf2dSAndi Kleen return false; 1259fbe51fbaSAndi Kleen cb(counter, data, true); 126063ce8449SArnaldo Carvalho de Melo if (!no_merge && counter->auto_merge_stats) 1261430daf2dSAndi Kleen collect_all_aliases(counter, cb, data); 1262430daf2dSAndi Kleen return true; 1263fbe51fbaSAndi Kleen } 1264fbe51fbaSAndi Kleen 1265fbe51fbaSAndi Kleen struct aggr_data { 1266fbe51fbaSAndi Kleen u64 ena, run, val; 1267fbe51fbaSAndi Kleen int id; 1268fbe51fbaSAndi Kleen int nr; 1269fbe51fbaSAndi Kleen int cpu; 1270fbe51fbaSAndi Kleen }; 1271fbe51fbaSAndi Kleen 1272fbe51fbaSAndi Kleen static void aggr_cb(struct perf_evsel *counter, void *data, bool first) 1273fbe51fbaSAndi Kleen { 1274fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1275fbe51fbaSAndi Kleen int cpu, s2; 1276fbe51fbaSAndi Kleen 1277fbe51fbaSAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1278fbe51fbaSAndi Kleen struct perf_counts_values *counts; 1279fbe51fbaSAndi Kleen 1280fbe51fbaSAndi Kleen s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); 1281fbe51fbaSAndi Kleen if (s2 != ad->id) 1282fbe51fbaSAndi Kleen continue; 1283fbe51fbaSAndi Kleen if (first) 1284fbe51fbaSAndi Kleen ad->nr++; 1285fbe51fbaSAndi Kleen counts = perf_counts(counter->counts, cpu, 0); 1286b4229e9dSAndi Kleen /* 1287b4229e9dSAndi Kleen * When any result is bad, make them all to give 1288b4229e9dSAndi Kleen * consistent output in interval mode. 1289b4229e9dSAndi Kleen */ 1290b4229e9dSAndi Kleen if (counts->ena == 0 || counts->run == 0 || 1291b4229e9dSAndi Kleen counter->counts->scaled == -1) { 1292b4229e9dSAndi Kleen ad->ena = 0; 1293b4229e9dSAndi Kleen ad->run = 0; 1294b4229e9dSAndi Kleen break; 1295b4229e9dSAndi Kleen } 1296fbe51fbaSAndi Kleen ad->val += counts->val; 1297fbe51fbaSAndi Kleen ad->ena += counts->ena; 1298fbe51fbaSAndi Kleen ad->run += counts->run; 1299fbe51fbaSAndi Kleen } 1300fbe51fbaSAndi Kleen } 1301fbe51fbaSAndi Kleen 130286ee6e18SStephane Eranian static void print_aggr(char *prefix) 1303d7e7a451SStephane Eranian { 13045821522eSJiri Olsa FILE *output = stat_config.output; 1305d7e7a451SStephane Eranian struct perf_evsel *counter; 1306fbe51fbaSAndi Kleen int s, id, nr; 1307410136f5SStephane Eranian double uval; 1308d7e7a451SStephane Eranian u64 ena, run, val; 130954b50916SAndi Kleen bool first; 1310d7e7a451SStephane Eranian 131186ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 1312d7e7a451SStephane Eranian return; 1313d7e7a451SStephane Eranian 131444d49a60SAndi Kleen aggr_update_shadow(); 131544d49a60SAndi Kleen 131654b50916SAndi Kleen /* 131754b50916SAndi Kleen * With metric_only everything is on a single line. 131854b50916SAndi Kleen * Without each counter has its own line. 131954b50916SAndi Kleen */ 132086ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 1321fbe51fbaSAndi Kleen struct aggr_data ad; 132254b50916SAndi Kleen if (prefix && metric_only) 132354b50916SAndi Kleen fprintf(output, "%s", prefix); 132454b50916SAndi Kleen 1325fbe51fbaSAndi Kleen ad.id = id = aggr_map->map[s]; 132654b50916SAndi Kleen first = true; 1327e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1328fbe51fbaSAndi Kleen ad.val = ad.ena = ad.run = 0; 1329fbe51fbaSAndi Kleen ad.nr = 0; 1330430daf2dSAndi Kleen if (!collect_data(counter, aggr_cb, &ad)) 1331430daf2dSAndi Kleen continue; 1332fbe51fbaSAndi Kleen nr = ad.nr; 1333fbe51fbaSAndi Kleen ena = ad.ena; 1334fbe51fbaSAndi Kleen run = ad.run; 1335fbe51fbaSAndi Kleen val = ad.val; 133654b50916SAndi Kleen if (first && metric_only) { 133754b50916SAndi Kleen first = false; 133854b50916SAndi Kleen aggr_printout(counter, id, nr); 133954b50916SAndi Kleen } 134054b50916SAndi Kleen if (prefix && !metric_only) 1341d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 1342d7e7a451SStephane Eranian 1343410136f5SStephane Eranian uval = val * counter->scale; 1344cb110f47SAndi Kleen printout(id, nr, counter, uval, prefix, run, ena, 1.0); 134554b50916SAndi Kleen if (!metric_only) 1346d7e7a451SStephane Eranian fputc('\n', output); 1347d7e7a451SStephane Eranian } 134854b50916SAndi Kleen if (metric_only) 134954b50916SAndi Kleen fputc('\n', output); 1350d7e7a451SStephane Eranian } 1351d7e7a451SStephane Eranian } 1352d7e7a451SStephane Eranian 135332b8af82SJiri Olsa static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 135432b8af82SJiri Olsa { 13555821522eSJiri Olsa FILE *output = stat_config.output; 135632b8af82SJiri Olsa int nthreads = thread_map__nr(counter->threads); 135732b8af82SJiri Olsa int ncpus = cpu_map__nr(counter->cpus); 135832b8af82SJiri Olsa int cpu, thread; 135932b8af82SJiri Olsa double uval; 136032b8af82SJiri Olsa 136132b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 136232b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 136332b8af82SJiri Olsa 136432b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 136532b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 136632b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 136732b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 136832b8af82SJiri Olsa } 136932b8af82SJiri Olsa 137032b8af82SJiri Olsa if (prefix) 137132b8af82SJiri Olsa fprintf(output, "%s", prefix); 137232b8af82SJiri Olsa 137332b8af82SJiri Olsa uval = val * counter->scale; 1374cb110f47SAndi Kleen printout(thread, 0, counter, uval, prefix, run, ena, 1.0); 137532b8af82SJiri Olsa fputc('\n', output); 137632b8af82SJiri Olsa } 137732b8af82SJiri Olsa } 137832b8af82SJiri Olsa 1379fbe51fbaSAndi Kleen struct caggr_data { 1380fbe51fbaSAndi Kleen double avg, avg_enabled, avg_running; 1381fbe51fbaSAndi Kleen }; 1382fbe51fbaSAndi Kleen 1383fbe51fbaSAndi Kleen static void counter_aggr_cb(struct perf_evsel *counter, void *data, 1384fbe51fbaSAndi Kleen bool first __maybe_unused) 1385fbe51fbaSAndi Kleen { 1386fbe51fbaSAndi Kleen struct caggr_data *cd = data; 1387fbe51fbaSAndi Kleen struct perf_stat_evsel *ps = counter->priv; 1388fbe51fbaSAndi Kleen 1389fbe51fbaSAndi Kleen cd->avg += avg_stats(&ps->res_stats[0]); 1390fbe51fbaSAndi Kleen cd->avg_enabled += avg_stats(&ps->res_stats[1]); 1391fbe51fbaSAndi Kleen cd->avg_running += avg_stats(&ps->res_stats[2]); 1392fbe51fbaSAndi Kleen } 1393fbe51fbaSAndi Kleen 139442202dd5SIngo Molnar /* 139542202dd5SIngo Molnar * Print out the results of a single counter: 1396f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 139742202dd5SIngo Molnar */ 139813370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 139942202dd5SIngo Molnar { 14005821522eSJiri Olsa FILE *output = stat_config.output; 1401410136f5SStephane Eranian double uval; 1402fbe51fbaSAndi Kleen struct caggr_data cd = { .avg = 0.0 }; 1403d73515c0SAndi Kleen 1404430daf2dSAndi Kleen if (!collect_data(counter, counter_aggr_cb, &cd)) 1405430daf2dSAndi Kleen return; 140642202dd5SIngo Molnar 140754b50916SAndi Kleen if (prefix && !metric_only) 140813370a9bSStephane Eranian fprintf(output, "%s", prefix); 140913370a9bSStephane Eranian 1410fbe51fbaSAndi Kleen uval = cd.avg * counter->scale; 1411fbe51fbaSAndi Kleen printout(-1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled, cd.avg); 141254b50916SAndi Kleen if (!metric_only) 14134aa9015fSStephane Eranian fprintf(output, "\n"); 141442202dd5SIngo Molnar } 141542202dd5SIngo Molnar 1416fbe51fbaSAndi Kleen static void counter_cb(struct perf_evsel *counter, void *data, 1417fbe51fbaSAndi Kleen bool first __maybe_unused) 1418fbe51fbaSAndi Kleen { 1419fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1420fbe51fbaSAndi Kleen 1421fbe51fbaSAndi Kleen ad->val += perf_counts(counter->counts, ad->cpu, 0)->val; 1422fbe51fbaSAndi Kleen ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena; 1423fbe51fbaSAndi Kleen ad->run += perf_counts(counter->counts, ad->cpu, 0)->run; 1424fbe51fbaSAndi Kleen } 1425fbe51fbaSAndi Kleen 1426f5b4a9c3SStephane Eranian /* 1427f5b4a9c3SStephane Eranian * Print out the results of a single counter: 1428f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 1429f5b4a9c3SStephane Eranian */ 143013370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 1431f5b4a9c3SStephane Eranian { 14325821522eSJiri Olsa FILE *output = stat_config.output; 1433f5b4a9c3SStephane Eranian u64 ena, run, val; 1434410136f5SStephane Eranian double uval; 1435f5b4a9c3SStephane Eranian int cpu; 1436f5b4a9c3SStephane Eranian 14377ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1438fbe51fbaSAndi Kleen struct aggr_data ad = { .cpu = cpu }; 1439fbe51fbaSAndi Kleen 1440430daf2dSAndi Kleen if (!collect_data(counter, counter_cb, &ad)) 1441430daf2dSAndi Kleen return; 1442fbe51fbaSAndi Kleen val = ad.val; 1443fbe51fbaSAndi Kleen ena = ad.ena; 1444fbe51fbaSAndi Kleen run = ad.run; 144513370a9bSStephane Eranian 144613370a9bSStephane Eranian if (prefix) 144713370a9bSStephane Eranian fprintf(output, "%s", prefix); 144813370a9bSStephane Eranian 1449410136f5SStephane Eranian uval = val * counter->scale; 1450cb110f47SAndi Kleen printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); 1451f5b4a9c3SStephane Eranian 14524aa9015fSStephane Eranian fputc('\n', output); 1453f5b4a9c3SStephane Eranian } 1454f5b4a9c3SStephane Eranian } 1455f5b4a9c3SStephane Eranian 1456206cab65SAndi Kleen static void print_no_aggr_metric(char *prefix) 1457206cab65SAndi Kleen { 1458206cab65SAndi Kleen int cpu; 1459206cab65SAndi Kleen int nrcpus = 0; 1460206cab65SAndi Kleen struct perf_evsel *counter; 1461206cab65SAndi Kleen u64 ena, run, val; 1462206cab65SAndi Kleen double uval; 1463206cab65SAndi Kleen 1464206cab65SAndi Kleen nrcpus = evsel_list->cpus->nr; 1465206cab65SAndi Kleen for (cpu = 0; cpu < nrcpus; cpu++) { 1466206cab65SAndi Kleen bool first = true; 1467206cab65SAndi Kleen 1468206cab65SAndi Kleen if (prefix) 1469206cab65SAndi Kleen fputs(prefix, stat_config.output); 1470e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1471206cab65SAndi Kleen if (first) { 1472206cab65SAndi Kleen aggr_printout(counter, cpu, 0); 1473206cab65SAndi Kleen first = false; 1474206cab65SAndi Kleen } 1475206cab65SAndi Kleen val = perf_counts(counter->counts, cpu, 0)->val; 1476206cab65SAndi Kleen ena = perf_counts(counter->counts, cpu, 0)->ena; 1477206cab65SAndi Kleen run = perf_counts(counter->counts, cpu, 0)->run; 1478206cab65SAndi Kleen 1479206cab65SAndi Kleen uval = val * counter->scale; 1480206cab65SAndi Kleen printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); 1481206cab65SAndi Kleen } 1482206cab65SAndi Kleen fputc('\n', stat_config.output); 1483206cab65SAndi Kleen } 1484206cab65SAndi Kleen } 1485206cab65SAndi Kleen 148654b50916SAndi Kleen static int aggr_header_lens[] = { 148754b50916SAndi Kleen [AGGR_CORE] = 18, 148854b50916SAndi Kleen [AGGR_SOCKET] = 12, 1489206cab65SAndi Kleen [AGGR_NONE] = 6, 149054b50916SAndi Kleen [AGGR_THREAD] = 24, 149154b50916SAndi Kleen [AGGR_GLOBAL] = 0, 149254b50916SAndi Kleen }; 149354b50916SAndi Kleen 1494c51fd639SAndi Kleen static const char *aggr_header_csv[] = { 1495c51fd639SAndi Kleen [AGGR_CORE] = "core,cpus,", 1496c51fd639SAndi Kleen [AGGR_SOCKET] = "socket,cpus", 1497c51fd639SAndi Kleen [AGGR_NONE] = "cpu,", 1498c51fd639SAndi Kleen [AGGR_THREAD] = "comm-pid,", 1499c51fd639SAndi Kleen [AGGR_GLOBAL] = "" 1500c51fd639SAndi Kleen }; 1501c51fd639SAndi Kleen 150241c8ca2aSAndi Kleen static void print_metric_headers(const char *prefix, bool no_indent) 150354b50916SAndi Kleen { 150454b50916SAndi Kleen struct perf_stat_output_ctx out; 150554b50916SAndi Kleen struct perf_evsel *counter; 150654b50916SAndi Kleen struct outstate os = { 150754b50916SAndi Kleen .fh = stat_config.output 150854b50916SAndi Kleen }; 150954b50916SAndi Kleen 151054b50916SAndi Kleen if (prefix) 151154b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 151254b50916SAndi Kleen 151341c8ca2aSAndi Kleen if (!csv_output && !no_indent) 151454b50916SAndi Kleen fprintf(stat_config.output, "%*s", 151554b50916SAndi Kleen aggr_header_lens[stat_config.aggr_mode], ""); 1516c51fd639SAndi Kleen if (csv_output) { 1517c51fd639SAndi Kleen if (stat_config.interval) 1518c51fd639SAndi Kleen fputs("time,", stat_config.output); 1519c51fd639SAndi Kleen fputs(aggr_header_csv[stat_config.aggr_mode], 1520c51fd639SAndi Kleen stat_config.output); 1521c51fd639SAndi Kleen } 152254b50916SAndi Kleen 152354b50916SAndi Kleen /* Print metrics headers only */ 1524e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 152554b50916SAndi Kleen os.evsel = counter; 152654b50916SAndi Kleen out.ctx = &os; 152754b50916SAndi Kleen out.print_metric = print_metric_header; 152854b50916SAndi Kleen out.new_line = new_line_metric; 152937932c18SAndi Kleen out.force_header = true; 153054b50916SAndi Kleen os.evsel = counter; 153154b50916SAndi Kleen perf_stat__print_shadow_stats(counter, 0, 153254b50916SAndi Kleen 0, 153354b50916SAndi Kleen &out); 153454b50916SAndi Kleen } 153554b50916SAndi Kleen fputc('\n', stat_config.output); 153654b50916SAndi Kleen } 153754b50916SAndi Kleen 1538d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 153942202dd5SIngo Molnar { 15405821522eSJiri Olsa FILE *output = stat_config.output; 1541d4f63a47SJiri Olsa static int num_print_interval; 1542d4f63a47SJiri Olsa 1543d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 1544d4f63a47SJiri Olsa 154541c8ca2aSAndi Kleen if (num_print_interval == 0 && !csv_output) { 1546421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1547d4f63a47SJiri Olsa case AGGR_SOCKET: 154841c8ca2aSAndi Kleen fprintf(output, "# time socket cpus"); 154941c8ca2aSAndi Kleen if (!metric_only) 155041c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1551d4f63a47SJiri Olsa break; 1552d4f63a47SJiri Olsa case AGGR_CORE: 155341c8ca2aSAndi Kleen fprintf(output, "# time core cpus"); 155441c8ca2aSAndi Kleen if (!metric_only) 155541c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1556d4f63a47SJiri Olsa break; 1557d4f63a47SJiri Olsa case AGGR_NONE: 155841c8ca2aSAndi Kleen fprintf(output, "# time CPU"); 155941c8ca2aSAndi Kleen if (!metric_only) 156041c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1561d4f63a47SJiri Olsa break; 156232b8af82SJiri Olsa case AGGR_THREAD: 156341c8ca2aSAndi Kleen fprintf(output, "# time comm-pid"); 156441c8ca2aSAndi Kleen if (!metric_only) 156541c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 156632b8af82SJiri Olsa break; 1567d4f63a47SJiri Olsa case AGGR_GLOBAL: 1568d4f63a47SJiri Olsa default: 156941c8ca2aSAndi Kleen fprintf(output, "# time"); 157041c8ca2aSAndi Kleen if (!metric_only) 157141c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1572208df99eSJiri Olsa case AGGR_UNSET: 1573208df99eSJiri Olsa break; 1574d4f63a47SJiri Olsa } 1575d4f63a47SJiri Olsa } 1576d4f63a47SJiri Olsa 157741c8ca2aSAndi Kleen if (num_print_interval == 0 && metric_only) 157841c8ca2aSAndi Kleen print_metric_headers(" ", true); 1579d4f63a47SJiri Olsa if (++num_print_interval == 25) 1580d4f63a47SJiri Olsa num_print_interval = 0; 1581d4f63a47SJiri Olsa } 1582d4f63a47SJiri Olsa 1583d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 1584d4f63a47SJiri Olsa { 15855821522eSJiri Olsa FILE *output = stat_config.output; 158669aad6f1SArnaldo Carvalho de Melo int i; 158742202dd5SIngo Molnar 158886470930SIngo Molnar fflush(stdout); 158986470930SIngo Molnar 1590d7470b6aSStephane Eranian if (!csv_output) { 15914aa9015fSStephane Eranian fprintf(output, "\n"); 15924aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 159362d3b617SDavid Ahern if (target.system_wide) 159462d3b617SDavid Ahern fprintf(output, "\'system wide"); 159562d3b617SDavid Ahern else if (target.cpu_list) 159662d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 1597602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 1598ba6039b6SJiri Olsa fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1599ba6039b6SJiri Olsa for (i = 1; argv && (i < argc); i++) 16004aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 160120f946b4SNamhyung Kim } else if (target.pid) 160220f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 1603d6d901c2SZhang, Yanmin else 160420f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 160586470930SIngo Molnar 16064aa9015fSStephane Eranian fprintf(output, "\'"); 160742202dd5SIngo Molnar if (run_count > 1) 16084aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 16094aa9015fSStephane Eranian fprintf(output, ":\n\n"); 1610d7470b6aSStephane Eranian } 1611f5b4a9c3SStephane Eranian } 161286470930SIngo Molnar 1613d4f63a47SJiri Olsa static void print_footer(void) 1614d4f63a47SJiri Olsa { 16155821522eSJiri Olsa FILE *output = stat_config.output; 1616918c7b06SAndi Kleen int n; 16175821522eSJiri Olsa 1618c3305257SIngo Molnar if (!null_run) 16194aa9015fSStephane Eranian fprintf(output, "\n"); 16204aa9015fSStephane Eranian fprintf(output, " %17.9f seconds time elapsed", 1621310ebb93SArnaldo Carvalho de Melo avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC); 1622566747e6SIngo Molnar if (run_count > 1) { 16234aa9015fSStephane Eranian fprintf(output, " "); 1624f99844cbSIngo Molnar print_noise_pct(stddev_stats(&walltime_nsecs_stats), 1625506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)); 1626566747e6SIngo Molnar } 16274aa9015fSStephane Eranian fprintf(output, "\n\n"); 162802d492e5SBorislav Petkov 1629918c7b06SAndi Kleen if (print_free_counters_hint && 1630918c7b06SAndi Kleen sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 && 1631918c7b06SAndi Kleen n > 0) 163202d492e5SBorislav Petkov fprintf(output, 163302d492e5SBorislav Petkov "Some events weren't counted. Try disabling the NMI watchdog:\n" 163402d492e5SBorislav Petkov " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 163502d492e5SBorislav Petkov " perf stat ...\n" 163602d492e5SBorislav Petkov " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 163786470930SIngo Molnar } 1638d4f63a47SJiri Olsa 1639d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1640d4f63a47SJiri Olsa { 1641ec0d3d1fSJiri Olsa int interval = stat_config.interval; 1642d4f63a47SJiri Olsa struct perf_evsel *counter; 1643d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 1644d4f63a47SJiri Olsa 1645664c98d4SJiri Olsa /* Do not print anything if we record to the pipe. */ 1646664c98d4SJiri Olsa if (STAT_RECORD && perf_stat.file.is_pipe) 1647664c98d4SJiri Olsa return; 1648664c98d4SJiri Olsa 1649d4f63a47SJiri Olsa if (interval) 1650d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 1651d4f63a47SJiri Olsa else 1652d4f63a47SJiri Olsa print_header(argc, argv); 1653d4f63a47SJiri Olsa 165454b50916SAndi Kleen if (metric_only) { 165554b50916SAndi Kleen static int num_print_iv; 165654b50916SAndi Kleen 165741c8ca2aSAndi Kleen if (num_print_iv == 0 && !interval) 165841c8ca2aSAndi Kleen print_metric_headers(prefix, false); 165954b50916SAndi Kleen if (num_print_iv++ == 25) 166054b50916SAndi Kleen num_print_iv = 0; 166154b50916SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) 166254b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 166354b50916SAndi Kleen } 166454b50916SAndi Kleen 1665421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1666d4f63a47SJiri Olsa case AGGR_CORE: 1667d4f63a47SJiri Olsa case AGGR_SOCKET: 1668d4f63a47SJiri Olsa print_aggr(prefix); 1669d4f63a47SJiri Olsa break; 167032b8af82SJiri Olsa case AGGR_THREAD: 1671e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 167232b8af82SJiri Olsa print_aggr_thread(counter, prefix); 167332b8af82SJiri Olsa break; 1674d4f63a47SJiri Olsa case AGGR_GLOBAL: 1675e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1676d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 167754b50916SAndi Kleen if (metric_only) 167854b50916SAndi Kleen fputc('\n', stat_config.output); 1679d4f63a47SJiri Olsa break; 1680d4f63a47SJiri Olsa case AGGR_NONE: 1681206cab65SAndi Kleen if (metric_only) 1682206cab65SAndi Kleen print_no_aggr_metric(prefix); 1683206cab65SAndi Kleen else { 1684e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1685d4f63a47SJiri Olsa print_counter(counter, prefix); 1686206cab65SAndi Kleen } 1687d4f63a47SJiri Olsa break; 1688208df99eSJiri Olsa case AGGR_UNSET: 1689d4f63a47SJiri Olsa default: 1690d4f63a47SJiri Olsa break; 1691d4f63a47SJiri Olsa } 1692d4f63a47SJiri Olsa 1693d4f63a47SJiri Olsa if (!interval && !csv_output) 1694d4f63a47SJiri Olsa print_footer(); 1695d4f63a47SJiri Olsa 16965821522eSJiri Olsa fflush(stat_config.output); 1697d7470b6aSStephane Eranian } 169886470930SIngo Molnar 1699f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1700f7b7c26eSPeter Zijlstra 170186470930SIngo Molnar static void skip_signal(int signo) 170286470930SIngo Molnar { 1703ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 170460666c63SLiming Wang done = 1; 170560666c63SLiming Wang 1706f7b7c26eSPeter Zijlstra signr = signo; 1707d07f0b12SStephane Eranian /* 1708d07f0b12SStephane Eranian * render child_pid harmless 1709d07f0b12SStephane Eranian * won't send SIGTERM to a random 1710d07f0b12SStephane Eranian * process in case of race condition 1711d07f0b12SStephane Eranian * and fast PID recycling 1712d07f0b12SStephane Eranian */ 1713d07f0b12SStephane Eranian child_pid = -1; 1714f7b7c26eSPeter Zijlstra } 1715f7b7c26eSPeter Zijlstra 1716f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1717f7b7c26eSPeter Zijlstra { 1718d07f0b12SStephane Eranian sigset_t set, oset; 1719d07f0b12SStephane Eranian 1720d07f0b12SStephane Eranian /* 1721d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1722d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1723d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1724d07f0b12SStephane Eranian * process 1725d07f0b12SStephane Eranian */ 1726d07f0b12SStephane Eranian sigemptyset(&set); 1727d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1728d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1729d07f0b12SStephane Eranian 1730933da83aSChris Wilson if (child_pid != -1) 1731933da83aSChris Wilson kill(child_pid, SIGTERM); 1732933da83aSChris Wilson 1733d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1734d07f0b12SStephane Eranian 1735f7b7c26eSPeter Zijlstra if (signr == -1) 1736f7b7c26eSPeter Zijlstra return; 1737f7b7c26eSPeter Zijlstra 1738f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1739f7b7c26eSPeter Zijlstra kill(getpid(), signr); 174086470930SIngo Molnar } 174186470930SIngo Molnar 17421d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 17431d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1744d7470b6aSStephane Eranian { 1745d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1746d7470b6aSStephane Eranian return 0; 1747d7470b6aSStephane Eranian } 1748d7470b6aSStephane Eranian 174944b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 175044b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 175144b1e60aSAndi Kleen { 175244b1e60aSAndi Kleen force_metric_only = true; 175344b1e60aSAndi Kleen metric_only = !unset; 175444b1e60aSAndi Kleen return 0; 175544b1e60aSAndi Kleen } 175644b1e60aSAndi Kleen 1757e0547311SJiri Olsa static const struct option stat_options[] = { 1758e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 1759e0547311SJiri Olsa "hardware transaction statistics"), 1760e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 1761e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 1762e0547311SJiri Olsa parse_events_option), 1763e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 1764e0547311SJiri Olsa "event filter", parse_filter), 1765e0547311SJiri Olsa OPT_BOOLEAN('i', "no-inherit", &no_inherit, 1766e0547311SJiri Olsa "child tasks do not inherit counters"), 1767e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 1768e0547311SJiri Olsa "stat events on existing process id"), 1769e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 1770e0547311SJiri Olsa "stat events on existing thread id"), 1771e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 1772e0547311SJiri Olsa "system-wide collection from all CPUs"), 1773e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 1774e0547311SJiri Olsa "put the counters into a counter group"), 1775e0547311SJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 1776e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 1777e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 1778e0547311SJiri Olsa OPT_INTEGER('r', "repeat", &run_count, 1779e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 1780e0547311SJiri Olsa OPT_BOOLEAN('n', "null", &null_run, 1781e0547311SJiri Olsa "null run - dont start any counters"), 1782e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 1783e0547311SJiri Olsa "detailed run - start a lot of events"), 1784e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 1785e0547311SJiri Olsa "call sync() before starting a run"), 1786e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 1787e0547311SJiri Olsa "print large numbers with thousands\' separators", 1788e0547311SJiri Olsa stat__set_big_num), 1789e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 1790e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 1791e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 1792e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1793430daf2dSAndi Kleen OPT_BOOLEAN(0, "no-merge", &no_merge, "Do not merge identical named events"), 1794e0547311SJiri Olsa OPT_STRING('x', "field-separator", &csv_sep, "separator", 1795e0547311SJiri Olsa "print counts with custom separator"), 1796e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 1797e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 1798e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 1799e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 1800e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 1801e0547311SJiri Olsa "log output to fd, instead of stderr"), 1802e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 1803e0547311SJiri Olsa "command to run prior to the measured command"), 1804e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 1805e0547311SJiri Olsa "command to run after to the measured command"), 1806e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 1807e0547311SJiri Olsa "print counts at regular interval in ms (>= 10)"), 1808e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 1809e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1810e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 1811e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 1812e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 1813e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 1814e0547311SJiri Olsa OPT_UINTEGER('D', "delay", &initial_delay, 1815e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 181644b1e60aSAndi Kleen OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL, 181744b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 181844b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 181944b1e60aSAndi Kleen "measure topdown level 1 statistics"), 1820daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 1821daefd0bcSKan Liang "measure SMI cost"), 1822e0547311SJiri Olsa OPT_END() 1823e0547311SJiri Olsa }; 1824e0547311SJiri Olsa 18251fe7a300SJiri Olsa static int perf_stat__get_socket(struct cpu_map *map, int cpu) 18261fe7a300SJiri Olsa { 18271fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 18281fe7a300SJiri Olsa } 18291fe7a300SJiri Olsa 18301fe7a300SJiri Olsa static int perf_stat__get_core(struct cpu_map *map, int cpu) 18311fe7a300SJiri Olsa { 18321fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 18331fe7a300SJiri Olsa } 18341fe7a300SJiri Olsa 18351e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 18361e5a2931SJiri Olsa { 18371e5a2931SJiri Olsa int i, max = -1; 18381e5a2931SJiri Olsa 18391e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 18401e5a2931SJiri Olsa if (map->map[i] > max) 18411e5a2931SJiri Olsa max = map->map[i]; 18421e5a2931SJiri Olsa } 18431e5a2931SJiri Olsa 18441e5a2931SJiri Olsa return max; 18451e5a2931SJiri Olsa } 18461e5a2931SJiri Olsa 18471e5a2931SJiri Olsa static struct cpu_map *cpus_aggr_map; 18481e5a2931SJiri Olsa 18491e5a2931SJiri Olsa static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) 18501e5a2931SJiri Olsa { 18511e5a2931SJiri Olsa int cpu; 18521e5a2931SJiri Olsa 18531e5a2931SJiri Olsa if (idx >= map->nr) 18541e5a2931SJiri Olsa return -1; 18551e5a2931SJiri Olsa 18561e5a2931SJiri Olsa cpu = map->map[idx]; 18571e5a2931SJiri Olsa 18581e5a2931SJiri Olsa if (cpus_aggr_map->map[cpu] == -1) 18591e5a2931SJiri Olsa cpus_aggr_map->map[cpu] = get_id(map, idx); 18601e5a2931SJiri Olsa 18611e5a2931SJiri Olsa return cpus_aggr_map->map[cpu]; 18621e5a2931SJiri Olsa } 18631e5a2931SJiri Olsa 18641e5a2931SJiri Olsa static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) 18651e5a2931SJiri Olsa { 18661e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_socket, map, idx); 18671e5a2931SJiri Olsa } 18681e5a2931SJiri Olsa 18691e5a2931SJiri Olsa static int perf_stat__get_core_cached(struct cpu_map *map, int idx) 18701e5a2931SJiri Olsa { 18711e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_core, map, idx); 18721e5a2931SJiri Olsa } 18731e5a2931SJiri Olsa 187486ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 187586ee6e18SStephane Eranian { 18761e5a2931SJiri Olsa int nr; 18771e5a2931SJiri Olsa 1878421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 187986ee6e18SStephane Eranian case AGGR_SOCKET: 188086ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 188186ee6e18SStephane Eranian perror("cannot build socket map"); 188286ee6e18SStephane Eranian return -1; 188386ee6e18SStephane Eranian } 18841e5a2931SJiri Olsa aggr_get_id = perf_stat__get_socket_cached; 188586ee6e18SStephane Eranian break; 188612c08a9fSStephane Eranian case AGGR_CORE: 188712c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 188812c08a9fSStephane Eranian perror("cannot build core map"); 188912c08a9fSStephane Eranian return -1; 189012c08a9fSStephane Eranian } 18911e5a2931SJiri Olsa aggr_get_id = perf_stat__get_core_cached; 189212c08a9fSStephane Eranian break; 189386ee6e18SStephane Eranian case AGGR_NONE: 189486ee6e18SStephane Eranian case AGGR_GLOBAL: 189532b8af82SJiri Olsa case AGGR_THREAD: 1896208df99eSJiri Olsa case AGGR_UNSET: 189786ee6e18SStephane Eranian default: 189886ee6e18SStephane Eranian break; 189986ee6e18SStephane Eranian } 19001e5a2931SJiri Olsa 19011e5a2931SJiri Olsa /* 19021e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 19031e5a2931SJiri Olsa * taking the highest cpu number to be the size of 19041e5a2931SJiri Olsa * the aggregation translate cpumap. 19051e5a2931SJiri Olsa */ 19061e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 19071e5a2931SJiri Olsa cpus_aggr_map = cpu_map__empty_new(nr + 1); 19081e5a2931SJiri Olsa return cpus_aggr_map ? 0 : -ENOMEM; 190986ee6e18SStephane Eranian } 191086ee6e18SStephane Eranian 1911544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1912544c2ae7SMasami Hiramatsu { 1913544c2ae7SMasami Hiramatsu cpu_map__put(aggr_map); 1914544c2ae7SMasami Hiramatsu cpu_map__put(cpus_aggr_map); 1915544c2ae7SMasami Hiramatsu aggr_map = NULL; 1916544c2ae7SMasami Hiramatsu cpus_aggr_map = NULL; 1917544c2ae7SMasami Hiramatsu } 1918544c2ae7SMasami Hiramatsu 191968d702f7SJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) 192068d702f7SJiri Olsa { 192168d702f7SJiri Olsa int cpu; 192268d702f7SJiri Olsa 192368d702f7SJiri Olsa if (idx > map->nr) 192468d702f7SJiri Olsa return -1; 192568d702f7SJiri Olsa 192668d702f7SJiri Olsa cpu = map->map[idx]; 192768d702f7SJiri Olsa 1928da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 192968d702f7SJiri Olsa return -1; 193068d702f7SJiri Olsa 193168d702f7SJiri Olsa return cpu; 193268d702f7SJiri Olsa } 193368d702f7SJiri Olsa 193468d702f7SJiri Olsa static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) 193568d702f7SJiri Olsa { 193668d702f7SJiri Olsa struct perf_env *env = data; 193768d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 193868d702f7SJiri Olsa 193968d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 194068d702f7SJiri Olsa } 194168d702f7SJiri Olsa 194268d702f7SJiri Olsa static int perf_env__get_core(struct cpu_map *map, int idx, void *data) 194368d702f7SJiri Olsa { 194468d702f7SJiri Olsa struct perf_env *env = data; 194568d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 194668d702f7SJiri Olsa 194768d702f7SJiri Olsa if (cpu != -1) { 194868d702f7SJiri Olsa int socket_id = env->cpu[cpu].socket_id; 194968d702f7SJiri Olsa 195068d702f7SJiri Olsa /* 195168d702f7SJiri Olsa * Encode socket in upper 16 bits 195268d702f7SJiri Olsa * core_id is relative to socket, and 195368d702f7SJiri Olsa * we need a global id. So we combine 195468d702f7SJiri Olsa * socket + core id. 195568d702f7SJiri Olsa */ 195668d702f7SJiri Olsa core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); 195768d702f7SJiri Olsa } 195868d702f7SJiri Olsa 195968d702f7SJiri Olsa return core; 196068d702f7SJiri Olsa } 196168d702f7SJiri Olsa 196268d702f7SJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, 196368d702f7SJiri Olsa struct cpu_map **sockp) 196468d702f7SJiri Olsa { 196568d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 196668d702f7SJiri Olsa } 196768d702f7SJiri Olsa 196868d702f7SJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, 196968d702f7SJiri Olsa struct cpu_map **corep) 197068d702f7SJiri Olsa { 197168d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 197268d702f7SJiri Olsa } 197368d702f7SJiri Olsa 197468d702f7SJiri Olsa static int perf_stat__get_socket_file(struct cpu_map *map, int idx) 197568d702f7SJiri Olsa { 197668d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 197768d702f7SJiri Olsa } 197868d702f7SJiri Olsa 197968d702f7SJiri Olsa static int perf_stat__get_core_file(struct cpu_map *map, int idx) 198068d702f7SJiri Olsa { 198168d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 198268d702f7SJiri Olsa } 198368d702f7SJiri Olsa 198468d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 198568d702f7SJiri Olsa { 198668d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 198768d702f7SJiri Olsa 198868d702f7SJiri Olsa switch (stat_config.aggr_mode) { 198968d702f7SJiri Olsa case AGGR_SOCKET: 199068d702f7SJiri Olsa if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { 199168d702f7SJiri Olsa perror("cannot build socket map"); 199268d702f7SJiri Olsa return -1; 199368d702f7SJiri Olsa } 199468d702f7SJiri Olsa aggr_get_id = perf_stat__get_socket_file; 199568d702f7SJiri Olsa break; 199668d702f7SJiri Olsa case AGGR_CORE: 199768d702f7SJiri Olsa if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { 199868d702f7SJiri Olsa perror("cannot build core map"); 199968d702f7SJiri Olsa return -1; 200068d702f7SJiri Olsa } 200168d702f7SJiri Olsa aggr_get_id = perf_stat__get_core_file; 200268d702f7SJiri Olsa break; 200368d702f7SJiri Olsa case AGGR_NONE: 200468d702f7SJiri Olsa case AGGR_GLOBAL: 200568d702f7SJiri Olsa case AGGR_THREAD: 200668d702f7SJiri Olsa case AGGR_UNSET: 200768d702f7SJiri Olsa default: 200868d702f7SJiri Olsa break; 200968d702f7SJiri Olsa } 201068d702f7SJiri Olsa 201168d702f7SJiri Olsa return 0; 201268d702f7SJiri Olsa } 201368d702f7SJiri Olsa 201444b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 201544b1e60aSAndi Kleen { 201644b1e60aSAndi Kleen int off = 0; 201744b1e60aSAndi Kleen int i; 201844b1e60aSAndi Kleen int len = 0; 201944b1e60aSAndi Kleen char *s; 202044b1e60aSAndi Kleen 202144b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 202244b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 202344b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 202444b1e60aSAndi Kleen attr[i - off] = attr[i]; 202544b1e60aSAndi Kleen } else 202644b1e60aSAndi Kleen off++; 202744b1e60aSAndi Kleen } 202844b1e60aSAndi Kleen attr[i - off] = NULL; 202944b1e60aSAndi Kleen 203044b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 203144b1e60aSAndi Kleen if (!*str) 203244b1e60aSAndi Kleen return -1; 203344b1e60aSAndi Kleen s = *str; 203444b1e60aSAndi Kleen if (i - off == 0) { 203544b1e60aSAndi Kleen *s = 0; 203644b1e60aSAndi Kleen return 0; 203744b1e60aSAndi Kleen } 203844b1e60aSAndi Kleen if (use_group) 203944b1e60aSAndi Kleen *s++ = '{'; 204044b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 204144b1e60aSAndi Kleen strcpy(s, attr[i]); 204244b1e60aSAndi Kleen s += strlen(s); 204344b1e60aSAndi Kleen *s++ = ','; 204444b1e60aSAndi Kleen } 204544b1e60aSAndi Kleen if (use_group) { 204644b1e60aSAndi Kleen s[-1] = '}'; 204744b1e60aSAndi Kleen *s = 0; 204844b1e60aSAndi Kleen } else 204944b1e60aSAndi Kleen s[-1] = 0; 205044b1e60aSAndi Kleen return 0; 205144b1e60aSAndi Kleen } 205244b1e60aSAndi Kleen 205344b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 205444b1e60aSAndi Kleen { 205544b1e60aSAndi Kleen *warn = false; 205644b1e60aSAndi Kleen return false; 205744b1e60aSAndi Kleen } 205844b1e60aSAndi Kleen 205944b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 206044b1e60aSAndi Kleen { 206144b1e60aSAndi Kleen } 206244b1e60aSAndi Kleen 20632cba3ffbSIngo Molnar /* 20642cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 20652cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 20662cba3ffbSIngo Molnar */ 20672cba3ffbSIngo Molnar static int add_default_attributes(void) 20682cba3ffbSIngo Molnar { 206944b1e60aSAndi Kleen int err; 20709dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 2071b070a547SArnaldo Carvalho de Melo 2072b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 2073b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 2074b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 2075b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 2076b070a547SArnaldo Carvalho de Melo 2077b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 20789dec4473SAndi Kleen }; 20799dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 2080b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 20819dec4473SAndi Kleen }; 20829dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 2083b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 20849dec4473SAndi Kleen }; 20859dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 2086b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 2087b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 2088b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 2089b070a547SArnaldo Carvalho de Melo 2090b070a547SArnaldo Carvalho de Melo }; 2091b070a547SArnaldo Carvalho de Melo 2092b070a547SArnaldo Carvalho de Melo /* 2093b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 2094b070a547SArnaldo Carvalho de Melo */ 2095b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 2096b070a547SArnaldo Carvalho de Melo 2097b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2098b070a547SArnaldo Carvalho de Melo .config = 2099b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2100b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2101b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2102b070a547SArnaldo Carvalho de Melo 2103b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2104b070a547SArnaldo Carvalho de Melo .config = 2105b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2106b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2107b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2108b070a547SArnaldo Carvalho de Melo 2109b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2110b070a547SArnaldo Carvalho de Melo .config = 2111b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2112b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2113b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2114b070a547SArnaldo Carvalho de Melo 2115b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2116b070a547SArnaldo Carvalho de Melo .config = 2117b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2118b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2119b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2120b070a547SArnaldo Carvalho de Melo }; 2121b070a547SArnaldo Carvalho de Melo 2122b070a547SArnaldo Carvalho de Melo /* 2123b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 2124b070a547SArnaldo Carvalho de Melo */ 2125b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 2126b070a547SArnaldo Carvalho de Melo 2127b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2128b070a547SArnaldo Carvalho de Melo .config = 2129b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2130b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2131b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2132b070a547SArnaldo Carvalho de Melo 2133b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2134b070a547SArnaldo Carvalho de Melo .config = 2135b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2136b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2137b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2138b070a547SArnaldo Carvalho de Melo 2139b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2140b070a547SArnaldo Carvalho de Melo .config = 2141b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2142b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2143b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2144b070a547SArnaldo Carvalho de Melo 2145b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2146b070a547SArnaldo Carvalho de Melo .config = 2147b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2148b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2149b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2150b070a547SArnaldo Carvalho de Melo 2151b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2152b070a547SArnaldo Carvalho de Melo .config = 2153b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2154b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2155b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2156b070a547SArnaldo Carvalho de Melo 2157b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2158b070a547SArnaldo Carvalho de Melo .config = 2159b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2160b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2161b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2162b070a547SArnaldo Carvalho de Melo 2163b070a547SArnaldo Carvalho de Melo }; 2164b070a547SArnaldo Carvalho de Melo 2165b070a547SArnaldo Carvalho de Melo /* 2166b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 2167b070a547SArnaldo Carvalho de Melo */ 2168b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 2169b070a547SArnaldo Carvalho de Melo 2170b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2171b070a547SArnaldo Carvalho de Melo .config = 2172b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2173b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2174b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2175b070a547SArnaldo Carvalho de Melo 2176b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2177b070a547SArnaldo Carvalho de Melo .config = 2178b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2179b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2180b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2181b070a547SArnaldo Carvalho de Melo }; 2182b070a547SArnaldo Carvalho de Melo 21832cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 21842cba3ffbSIngo Molnar if (null_run) 21852cba3ffbSIngo Molnar return 0; 21862cba3ffbSIngo Molnar 21874cabc3d1SAndi Kleen if (transaction_run) { 21884cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 21894cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 2190a454742cSJiri Olsa err = parse_events(evsel_list, transaction_attrs, NULL); 21914cabc3d1SAndi Kleen else 2192a454742cSJiri Olsa err = parse_events(evsel_list, transaction_limited_attrs, NULL); 2193a454742cSJiri Olsa if (err) { 21944cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 21954cabc3d1SAndi Kleen return -1; 21964cabc3d1SAndi Kleen } 21974cabc3d1SAndi Kleen return 0; 21984cabc3d1SAndi Kleen } 21994cabc3d1SAndi Kleen 2200daefd0bcSKan Liang if (smi_cost) { 2201daefd0bcSKan Liang int smi; 2202daefd0bcSKan Liang 2203daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 2204daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 2205daefd0bcSKan Liang return -1; 2206daefd0bcSKan Liang } 2207daefd0bcSKan Liang 2208daefd0bcSKan Liang if (!smi) { 2209daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 2210daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 2211daefd0bcSKan Liang return -1; 2212daefd0bcSKan Liang } 2213daefd0bcSKan Liang smi_reset = true; 2214daefd0bcSKan Liang } 2215daefd0bcSKan Liang 2216daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 2217daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 2218daefd0bcSKan Liang if (!force_metric_only) 2219daefd0bcSKan Liang metric_only = true; 2220daefd0bcSKan Liang err = parse_events(evsel_list, smi_cost_attrs, NULL); 2221daefd0bcSKan Liang } else { 2222daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 2223daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 2224daefd0bcSKan Liang return -1; 2225daefd0bcSKan Liang } 2226daefd0bcSKan Liang if (err) { 2227daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 2228daefd0bcSKan Liang return -1; 2229daefd0bcSKan Liang } 2230daefd0bcSKan Liang return 0; 2231daefd0bcSKan Liang } 2232daefd0bcSKan Liang 223344b1e60aSAndi Kleen if (topdown_run) { 223444b1e60aSAndi Kleen char *str = NULL; 223544b1e60aSAndi Kleen bool warn = false; 223644b1e60aSAndi Kleen 223744b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 223844b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 223944b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 224044b1e60aSAndi Kleen return -1; 224144b1e60aSAndi Kleen } 224244b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 224344b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 224444b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 224544b1e60aSAndi Kleen return -1; 224644b1e60aSAndi Kleen } 224744b1e60aSAndi Kleen 224844b1e60aSAndi Kleen if (!force_metric_only) 224944b1e60aSAndi Kleen metric_only = true; 225044b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 225144b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 225244b1e60aSAndi Kleen pr_err("Out of memory\n"); 225344b1e60aSAndi Kleen return -1; 225444b1e60aSAndi Kleen } 225544b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 225644b1e60aSAndi Kleen if (warn) 225744b1e60aSAndi Kleen arch_topdown_group_warn(); 225844b1e60aSAndi Kleen err = parse_events(evsel_list, str, NULL); 225944b1e60aSAndi Kleen if (err) { 226044b1e60aSAndi Kleen fprintf(stderr, 226144b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 226244b1e60aSAndi Kleen str, err); 226344b1e60aSAndi Kleen free(str); 226444b1e60aSAndi Kleen return -1; 226544b1e60aSAndi Kleen } 226644b1e60aSAndi Kleen } else { 226744b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 226844b1e60aSAndi Kleen return -1; 226944b1e60aSAndi Kleen } 227044b1e60aSAndi Kleen free(str); 227144b1e60aSAndi Kleen } 227244b1e60aSAndi Kleen 22732cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 2274a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 2275a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 2276a1f3d567SNamhyung Kim 22779dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 22789dec4473SAndi Kleen return -1; 22799dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 22809dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 22819dec4473SAndi Kleen frontend_attrs) < 0) 22829dec4473SAndi Kleen return -1; 22839dec4473SAndi Kleen } 22849dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 22859dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 22869dec4473SAndi Kleen backend_attrs) < 0) 22879dec4473SAndi Kleen return -1; 22889dec4473SAndi Kleen } 22899dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 22902cba3ffbSIngo Molnar return -1; 22912cba3ffbSIngo Molnar } 22922cba3ffbSIngo Molnar 22932cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 22942cba3ffbSIngo Molnar 22952cba3ffbSIngo Molnar if (detailed_run < 1) 22962cba3ffbSIngo Molnar return 0; 22972cba3ffbSIngo Molnar 22982cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 229979695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 23002cba3ffbSIngo Molnar return -1; 23012cba3ffbSIngo Molnar 23022cba3ffbSIngo Molnar if (detailed_run < 2) 23032cba3ffbSIngo Molnar return 0; 23042cba3ffbSIngo Molnar 23052cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 230679695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 23072cba3ffbSIngo Molnar return -1; 23082cba3ffbSIngo Molnar 23092cba3ffbSIngo Molnar if (detailed_run < 3) 23102cba3ffbSIngo Molnar return 0; 23112cba3ffbSIngo Molnar 23122cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 231379695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 23142cba3ffbSIngo Molnar } 23152cba3ffbSIngo Molnar 23168a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 23174979d0c7SJiri Olsa "perf stat record [<options>]", 23184979d0c7SJiri Olsa NULL, 23194979d0c7SJiri Olsa }; 23204979d0c7SJiri Olsa 23213ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 23223ba78bd0SJiri Olsa { 23233ba78bd0SJiri Olsa int feat; 23243ba78bd0SJiri Olsa 23253ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 23263ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 23273ba78bd0SJiri Olsa 23283ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 23293ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 23303ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 23313ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 23323ba78bd0SJiri Olsa } 23333ba78bd0SJiri Olsa 23344979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 23354979d0c7SJiri Olsa { 23364979d0c7SJiri Olsa struct perf_session *session; 23374979d0c7SJiri Olsa struct perf_data_file *file = &perf_stat.file; 23384979d0c7SJiri Olsa 23398a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 23404979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 23414979d0c7SJiri Olsa 23424979d0c7SJiri Olsa if (output_name) 23434979d0c7SJiri Olsa file->path = output_name; 23444979d0c7SJiri Olsa 2345e9d6db8eSJiri Olsa if (run_count != 1 || forever) { 2346e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 2347e9d6db8eSJiri Olsa return -1; 2348e9d6db8eSJiri Olsa } 2349e9d6db8eSJiri Olsa 23504979d0c7SJiri Olsa session = perf_session__new(file, false, NULL); 23514979d0c7SJiri Olsa if (session == NULL) { 23524979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 23534979d0c7SJiri Olsa return -1; 23544979d0c7SJiri Olsa } 23554979d0c7SJiri Olsa 23563ba78bd0SJiri Olsa init_features(session); 23573ba78bd0SJiri Olsa 23584979d0c7SJiri Olsa session->evlist = evsel_list; 23594979d0c7SJiri Olsa perf_stat.session = session; 23604979d0c7SJiri Olsa perf_stat.record = true; 23614979d0c7SJiri Olsa return argc; 23624979d0c7SJiri Olsa } 23634979d0c7SJiri Olsa 2364a56f9390SJiri Olsa static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2365a56f9390SJiri Olsa union perf_event *event, 2366a56f9390SJiri Olsa struct perf_session *session) 2367a56f9390SJiri Olsa { 2368e3b03b6cSAndi Kleen struct stat_round_event *stat_round = &event->stat_round; 2369a56f9390SJiri Olsa struct perf_evsel *counter; 2370a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 2371a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 2372a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 2373a56f9390SJiri Olsa 2374e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 2375a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 2376a56f9390SJiri Olsa 2377e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 2378e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 2379a56f9390SJiri Olsa 2380e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 2381bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 2382bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 2383a56f9390SJiri Olsa ts = &tsh; 2384a56f9390SJiri Olsa } 2385a56f9390SJiri Olsa 2386a56f9390SJiri Olsa print_counters(ts, argc, argv); 2387a56f9390SJiri Olsa return 0; 2388a56f9390SJiri Olsa } 2389a56f9390SJiri Olsa 239062ba18baSJiri Olsa static 23917e6a7998SArnaldo Carvalho de Melo int process_stat_config_event(struct perf_tool *tool, 239262ba18baSJiri Olsa union perf_event *event, 239362ba18baSJiri Olsa struct perf_session *session __maybe_unused) 239462ba18baSJiri Olsa { 239568d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 239668d702f7SJiri Olsa 239762ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 239868d702f7SJiri Olsa 239989af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 240089af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 240189af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 240289af4e05SJiri Olsa return 0; 240389af4e05SJiri Olsa } 240489af4e05SJiri Olsa 240589af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 240689af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 240789af4e05SJiri Olsa 240868d702f7SJiri Olsa if (perf_stat.file.is_pipe) 240968d702f7SJiri Olsa perf_stat_init_aggr_mode(); 241068d702f7SJiri Olsa else 241168d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 241268d702f7SJiri Olsa 241362ba18baSJiri Olsa return 0; 241462ba18baSJiri Olsa } 241562ba18baSJiri Olsa 24161975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 24171975d36eSJiri Olsa { 24181975d36eSJiri Olsa if (!st->cpus || !st->threads) 24191975d36eSJiri Olsa return 0; 24201975d36eSJiri Olsa 24211975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 24221975d36eSJiri Olsa return -EINVAL; 24231975d36eSJiri Olsa 24241975d36eSJiri Olsa perf_evlist__set_maps(evsel_list, st->cpus, st->threads); 24251975d36eSJiri Olsa 24261975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 24271975d36eSJiri Olsa return -ENOMEM; 24281975d36eSJiri Olsa 24291975d36eSJiri Olsa st->maps_allocated = true; 24301975d36eSJiri Olsa return 0; 24311975d36eSJiri Olsa } 24321975d36eSJiri Olsa 24331975d36eSJiri Olsa static 24347e6a7998SArnaldo Carvalho de Melo int process_thread_map_event(struct perf_tool *tool, 24351975d36eSJiri Olsa union perf_event *event, 24361975d36eSJiri Olsa struct perf_session *session __maybe_unused) 24371975d36eSJiri Olsa { 24381975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 24391975d36eSJiri Olsa 24401975d36eSJiri Olsa if (st->threads) { 24411975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 24421975d36eSJiri Olsa return 0; 24431975d36eSJiri Olsa } 24441975d36eSJiri Olsa 24451975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 24461975d36eSJiri Olsa if (!st->threads) 24471975d36eSJiri Olsa return -ENOMEM; 24481975d36eSJiri Olsa 24491975d36eSJiri Olsa return set_maps(st); 24501975d36eSJiri Olsa } 24511975d36eSJiri Olsa 24521975d36eSJiri Olsa static 24537e6a7998SArnaldo Carvalho de Melo int process_cpu_map_event(struct perf_tool *tool, 24541975d36eSJiri Olsa union perf_event *event, 24551975d36eSJiri Olsa struct perf_session *session __maybe_unused) 24561975d36eSJiri Olsa { 24571975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 24581975d36eSJiri Olsa struct cpu_map *cpus; 24591975d36eSJiri Olsa 24601975d36eSJiri Olsa if (st->cpus) { 24611975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 24621975d36eSJiri Olsa return 0; 24631975d36eSJiri Olsa } 24641975d36eSJiri Olsa 24651975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 24661975d36eSJiri Olsa if (!cpus) 24671975d36eSJiri Olsa return -ENOMEM; 24681975d36eSJiri Olsa 24691975d36eSJiri Olsa st->cpus = cpus; 24701975d36eSJiri Olsa return set_maps(st); 24711975d36eSJiri Olsa } 24721975d36eSJiri Olsa 24738a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 2474ba6039b6SJiri Olsa "perf stat report [<options>]", 2475ba6039b6SJiri Olsa NULL, 2476ba6039b6SJiri Olsa }; 2477ba6039b6SJiri Olsa 2478ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 2479ba6039b6SJiri Olsa .tool = { 2480ba6039b6SJiri Olsa .attr = perf_event__process_attr, 2481fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 24821975d36eSJiri Olsa .thread_map = process_thread_map_event, 24831975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 248462ba18baSJiri Olsa .stat_config = process_stat_config_event, 2485a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 2486a56f9390SJiri Olsa .stat_round = process_stat_round_event, 2487ba6039b6SJiri Olsa }, 248889af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 2489ba6039b6SJiri Olsa }; 2490ba6039b6SJiri Olsa 2491ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 2492ba6039b6SJiri Olsa { 2493ba6039b6SJiri Olsa struct perf_session *session; 2494ba6039b6SJiri Olsa const struct option options[] = { 2495ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 249689af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 249789af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 249889af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 249989af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 250089af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 250189af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2502ba6039b6SJiri Olsa OPT_END() 2503ba6039b6SJiri Olsa }; 2504ba6039b6SJiri Olsa struct stat st; 2505ba6039b6SJiri Olsa int ret; 2506ba6039b6SJiri Olsa 25078a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 2508ba6039b6SJiri Olsa 2509ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 2510ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 2511ba6039b6SJiri Olsa input_name = "-"; 2512ba6039b6SJiri Olsa else 2513ba6039b6SJiri Olsa input_name = "perf.data"; 2514ba6039b6SJiri Olsa } 2515ba6039b6SJiri Olsa 2516ba6039b6SJiri Olsa perf_stat.file.path = input_name; 2517ba6039b6SJiri Olsa perf_stat.file.mode = PERF_DATA_MODE_READ; 2518ba6039b6SJiri Olsa 2519ba6039b6SJiri Olsa session = perf_session__new(&perf_stat.file, false, &perf_stat.tool); 2520ba6039b6SJiri Olsa if (session == NULL) 2521ba6039b6SJiri Olsa return -1; 2522ba6039b6SJiri Olsa 2523ba6039b6SJiri Olsa perf_stat.session = session; 2524ba6039b6SJiri Olsa stat_config.output = stderr; 2525ba6039b6SJiri Olsa evsel_list = session->evlist; 2526ba6039b6SJiri Olsa 2527ba6039b6SJiri Olsa ret = perf_session__process_events(session); 2528ba6039b6SJiri Olsa if (ret) 2529ba6039b6SJiri Olsa return ret; 2530ba6039b6SJiri Olsa 2531ba6039b6SJiri Olsa perf_session__delete(session); 2532ba6039b6SJiri Olsa return 0; 2533ba6039b6SJiri Olsa } 2534ba6039b6SJiri Olsa 2535e3ba76deSJiri Olsa static void setup_system_wide(int forks) 2536e3ba76deSJiri Olsa { 2537e3ba76deSJiri Olsa /* 2538e3ba76deSJiri Olsa * Make system wide (-a) the default target if 2539e3ba76deSJiri Olsa * no target was specified and one of following 2540e3ba76deSJiri Olsa * conditions is met: 2541e3ba76deSJiri Olsa * 2542e3ba76deSJiri Olsa * - there's no workload specified 2543e3ba76deSJiri Olsa * - there is workload specified but all requested 2544e3ba76deSJiri Olsa * events are system wide events 2545e3ba76deSJiri Olsa */ 2546e3ba76deSJiri Olsa if (!target__none(&target)) 2547e3ba76deSJiri Olsa return; 2548e3ba76deSJiri Olsa 2549e3ba76deSJiri Olsa if (!forks) 2550e3ba76deSJiri Olsa target.system_wide = true; 2551e3ba76deSJiri Olsa else { 2552e3ba76deSJiri Olsa struct perf_evsel *counter; 2553e3ba76deSJiri Olsa 2554e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 2555e3ba76deSJiri Olsa if (!counter->system_wide) 2556e3ba76deSJiri Olsa return; 2557e3ba76deSJiri Olsa } 2558e3ba76deSJiri Olsa 2559e3ba76deSJiri Olsa if (evsel_list->nr_entries) 2560e3ba76deSJiri Olsa target.system_wide = true; 2561e3ba76deSJiri Olsa } 2562e3ba76deSJiri Olsa } 2563e3ba76deSJiri Olsa 2564b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 256586470930SIngo Molnar { 2566b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 2567b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 2568b070a547SArnaldo Carvalho de Melo NULL 2569b070a547SArnaldo Carvalho de Melo }; 2570cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 25714aa9015fSStephane Eranian const char *mode; 25725821522eSJiri Olsa FILE *output = stderr; 2573ec0d3d1fSJiri Olsa unsigned int interval; 2574ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 257542202dd5SIngo Molnar 25765af52b51SStephane Eranian setlocale(LC_ALL, ""); 25775af52b51SStephane Eranian 2578334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 2579361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 2580361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 2581361c99a6SArnaldo Carvalho de Melo 25821669e509SWang Nan parse_events__shrink_config_terms(); 25834979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 25844979d0c7SJiri Olsa (const char **) stat_usage, 2585a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 258637932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 2587fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 2588d7470b6aSStephane Eranian 25896edb78a2SJiri Olsa if (csv_sep) { 25906edb78a2SJiri Olsa csv_output = true; 25916edb78a2SJiri Olsa if (!strcmp(csv_sep, "\\t")) 25926edb78a2SJiri Olsa csv_sep = "\t"; 25936edb78a2SJiri Olsa } else 25946edb78a2SJiri Olsa csv_sep = DEFAULT_SEPARATOR; 25956edb78a2SJiri Olsa 25964979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 25974979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 25984979d0c7SJiri Olsa if (argc < 0) 25994979d0c7SJiri Olsa return -1; 2600ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 2601ba6039b6SJiri Olsa return __cmd_report(argc, argv); 26024979d0c7SJiri Olsa 2603ec0d3d1fSJiri Olsa interval = stat_config.interval; 2604ec0d3d1fSJiri Olsa 26054979d0c7SJiri Olsa /* 26064979d0c7SJiri Olsa * For record command the -o is already taken care of. 26074979d0c7SJiri Olsa */ 26084979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 26094aa9015fSStephane Eranian output = NULL; 26104aa9015fSStephane Eranian 261156f3bae7SJim Cromie if (output_name && output_fd) { 261256f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 2613e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 2614e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 2615cc03c542SNamhyung Kim goto out; 261656f3bae7SJim Cromie } 2617fc3e4d07SStephane Eranian 261854b50916SAndi Kleen if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { 261954b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 262054b50916SAndi Kleen goto out; 262154b50916SAndi Kleen } 262254b50916SAndi Kleen 262354b50916SAndi Kleen if (metric_only && run_count > 1) { 262454b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 262554b50916SAndi Kleen goto out; 262654b50916SAndi Kleen } 262754b50916SAndi Kleen 2628fc3e4d07SStephane Eranian if (output_fd < 0) { 2629fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 2630e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 2631cc03c542SNamhyung Kim goto out; 2632fc3e4d07SStephane Eranian } 2633fc3e4d07SStephane Eranian 26344aa9015fSStephane Eranian if (!output) { 26354aa9015fSStephane Eranian struct timespec tm; 26364aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 26374aa9015fSStephane Eranian 26384aa9015fSStephane Eranian output = fopen(output_name, mode); 26394aa9015fSStephane Eranian if (!output) { 26404aa9015fSStephane Eranian perror("failed to create output file"); 2641fceda7feSDavid Ahern return -1; 26424aa9015fSStephane Eranian } 26434aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 26444aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2645fc3e4d07SStephane Eranian } else if (output_fd > 0) { 264656f3bae7SJim Cromie mode = append_file ? "a" : "w"; 264756f3bae7SJim Cromie output = fdopen(output_fd, mode); 264856f3bae7SJim Cromie if (!output) { 264956f3bae7SJim Cromie perror("Failed opening logfd"); 265056f3bae7SJim Cromie return -errno; 265156f3bae7SJim Cromie } 26524aa9015fSStephane Eranian } 26534aa9015fSStephane Eranian 26545821522eSJiri Olsa stat_config.output = output; 26555821522eSJiri Olsa 2656d7470b6aSStephane Eranian /* 2657d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2658d7470b6aSStephane Eranian */ 2659d7470b6aSStephane Eranian if (csv_output) { 266061a9f324SJim Cromie /* User explicitly passed -B? */ 2661d7470b6aSStephane Eranian if (big_num_opt == 1) { 2662d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2663e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2664e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2665cc03c542SNamhyung Kim goto out; 2666d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 2667d7470b6aSStephane Eranian big_num = false; 2668d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 2669d7470b6aSStephane Eranian big_num = false; 2670d7470b6aSStephane Eranian 2671e3ba76deSJiri Olsa setup_system_wide(argc); 2672ac3063bdSDavid Ahern 2673a7e191c3SFrederik Deweerdt if (run_count < 0) { 2674cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2675e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2676cc03c542SNamhyung Kim goto out; 2677a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 2678a7e191c3SFrederik Deweerdt forever = true; 2679a7e191c3SFrederik Deweerdt run_count = 1; 2680a7e191c3SFrederik Deweerdt } 268186470930SIngo Molnar 2682421a50f3SJiri Olsa if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { 268332b8af82SJiri Olsa fprintf(stderr, "The --per-thread option is only available " 268432b8af82SJiri Olsa "when monitoring via -p -t options.\n"); 2685e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 2686e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 268732b8af82SJiri Olsa goto out; 268832b8af82SJiri Olsa } 268932b8af82SJiri Olsa 269032b8af82SJiri Olsa /* 269132b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 269232b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 269332b8af82SJiri Olsa */ 2694421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 2695421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 2696602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 2697023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 2698023695d9SStephane Eranian "modes only available in system-wide mode\n"); 2699023695d9SStephane Eranian 2700e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 2701e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 2702e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2703cc03c542SNamhyung Kim goto out; 2704d7e7a451SStephane Eranian } 2705d7e7a451SStephane Eranian 27062cba3ffbSIngo Molnar if (add_default_attributes()) 2707c6264defSIngo Molnar goto out; 270886470930SIngo Molnar 2709602ad878SArnaldo Carvalho de Melo target__validate(&target); 27105c98d466SArnaldo Carvalho de Melo 271177a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 2712602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 27135c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 2714e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 2715e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 2716602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 271760d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 2718e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 2719e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2720cc03c542SNamhyung Kim } 2721cc03c542SNamhyung Kim goto out; 272260d567e2SArnaldo Carvalho de Melo } 272332b8af82SJiri Olsa 272432b8af82SJiri Olsa /* 272532b8af82SJiri Olsa * Initialize thread_map with comm names, 272632b8af82SJiri Olsa * so we could print it out on output. 272732b8af82SJiri Olsa */ 2728421a50f3SJiri Olsa if (stat_config.aggr_mode == AGGR_THREAD) 272932b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 273032b8af82SJiri Olsa 273113370a9bSStephane Eranian if (interval && interval < 100) { 273219afd104SKan Liang if (interval < 10) { 273319afd104SKan Liang pr_err("print interval must be >= 10ms\n"); 2734e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "I", 1); 273503ad9747SArnaldo Carvalho de Melo goto out; 273619afd104SKan Liang } else 273719afd104SKan Liang pr_warning("print interval < 100ms. " 273819afd104SKan Liang "The overhead percentage could be high in some cases. " 273919afd104SKan Liang "Please proceed with caution.\n"); 274013370a9bSStephane Eranian } 2741c45c6ea2SStephane Eranian 2742d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 274303ad9747SArnaldo Carvalho de Melo goto out; 2744d6d901c2SZhang, Yanmin 274586ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 274603ad9747SArnaldo Carvalho de Melo goto out; 274786ee6e18SStephane Eranian 274886470930SIngo Molnar /* 274986470930SIngo Molnar * We dont want to block the signals - that would cause 275086470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 275186470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 275286470930SIngo Molnar * task, but being ignored by perf stat itself: 275386470930SIngo Molnar */ 2754f7b7c26eSPeter Zijlstra atexit(sig_atexit); 2755a7e191c3SFrederik Deweerdt if (!forever) 275686470930SIngo Molnar signal(SIGINT, skip_signal); 275713370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 275886470930SIngo Molnar signal(SIGALRM, skip_signal); 275986470930SIngo Molnar signal(SIGABRT, skip_signal); 276086470930SIngo Molnar 276142202dd5SIngo Molnar status = 0; 2762a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 2763bb963e16SNamhyung Kim if (run_count != 1 && verbose > 0) 27644aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 27654aa9015fSStephane Eranian run_idx + 1); 2766f9cef0a9SIngo Molnar 276742202dd5SIngo Molnar status = run_perf_stat(argc, argv); 2768a7e191c3SFrederik Deweerdt if (forever && status != -1) { 2769d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2770254ecbc7SJiri Olsa perf_stat__reset_stats(); 2771a7e191c3SFrederik Deweerdt } 277242202dd5SIngo Molnar } 277342202dd5SIngo Molnar 2774a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 2775d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2776d134ffb9SArnaldo Carvalho de Melo 27774979d0c7SJiri Olsa if (STAT_RECORD) { 27784979d0c7SJiri Olsa /* 27794979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 27804979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 27814979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 27824979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 27834979d0c7SJiri Olsa * 27844979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 27858b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 27868b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 27878b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 27888b99b1a4SJiri Olsa * tools remain -acme 27894979d0c7SJiri Olsa */ 27904979d0c7SJiri Olsa int fd = perf_data_file__fd(&perf_stat.file); 27914979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 27924979d0c7SJiri Olsa process_synthesized_event, 27934979d0c7SJiri Olsa &perf_stat.session->machines.host); 27944979d0c7SJiri Olsa if (err) { 27954979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 27964979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 27974979d0c7SJiri Olsa } 27984979d0c7SJiri Olsa 27997aad0c32SJiri Olsa if (!interval) { 28007aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 28017aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 28027aad0c32SJiri Olsa } 28037aad0c32SJiri Olsa 2804664c98d4SJiri Olsa if (!perf_stat.file.is_pipe) { 28054979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 28064979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2807664c98d4SJiri Olsa } 28084979d0c7SJiri Olsa 28094979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 28104979d0c7SJiri Olsa } 28114979d0c7SJiri Olsa 2812544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2813d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 28140015e2e1SArnaldo Carvalho de Melo out: 2815daefd0bcSKan Liang if (smi_cost && smi_reset) 2816daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2817daefd0bcSKan Liang 28180015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 281942202dd5SIngo Molnar return status; 282086470930SIngo Molnar } 2821