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" 68b18f3e36SAndi Kleen #include "util/metricgroup.h" 69ba6039b6SJiri Olsa #include "asm/bug.h" 7086470930SIngo Molnar 71bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 7244b1e60aSAndi Kleen #include <api/fs/fs.h> 73a43783aeSArnaldo Carvalho de Melo #include <errno.h> 749607ad3aSArnaldo Carvalho de Melo #include <signal.h> 751f16c575SPeter Zijlstra #include <stdlib.h> 7686470930SIngo Molnar #include <sys/prctl.h> 77fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 785af52b51SStephane Eranian #include <locale.h> 79e3b03b6cSAndi Kleen #include <math.h> 807a8ef4c4SArnaldo Carvalho de Melo #include <sys/types.h> 817a8ef4c4SArnaldo Carvalho de Melo #include <sys/stat.h> 824208735dSArnaldo Carvalho de Melo #include <sys/wait.h> 837a8ef4c4SArnaldo Carvalho de Melo #include <unistd.h> 8486470930SIngo Molnar 853d689ed6SArnaldo Carvalho de Melo #include "sane_ctype.h" 863d689ed6SArnaldo Carvalho de Melo 87d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 882cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 892cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 90daefd0bcSKan Liang #define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi" 91d7470b6aSStephane Eranian 92d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 9313370a9bSStephane Eranian 944cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 95a454742cSJiri Olsa static const char *transaction_attrs = { 96a454742cSJiri Olsa "task-clock," 974cabc3d1SAndi Kleen "{" 984cabc3d1SAndi Kleen "instructions," 994cabc3d1SAndi Kleen "cycles," 1004cabc3d1SAndi Kleen "cpu/cycles-t/," 1014cabc3d1SAndi Kleen "cpu/tx-start/," 1024cabc3d1SAndi Kleen "cpu/el-start/," 1034cabc3d1SAndi Kleen "cpu/cycles-ct/" 1044cabc3d1SAndi Kleen "}" 1054cabc3d1SAndi Kleen }; 1064cabc3d1SAndi Kleen 1074cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 108a454742cSJiri Olsa static const char * transaction_limited_attrs = { 109a454742cSJiri Olsa "task-clock," 1104cabc3d1SAndi Kleen "{" 1114cabc3d1SAndi Kleen "instructions," 1124cabc3d1SAndi Kleen "cycles," 1134cabc3d1SAndi Kleen "cpu/cycles-t/," 1144cabc3d1SAndi Kleen "cpu/tx-start/" 1154cabc3d1SAndi Kleen "}" 1164cabc3d1SAndi Kleen }; 1174cabc3d1SAndi Kleen 11844b1e60aSAndi Kleen static const char * topdown_attrs[] = { 11944b1e60aSAndi Kleen "topdown-total-slots", 12044b1e60aSAndi Kleen "topdown-slots-retired", 12144b1e60aSAndi Kleen "topdown-recovery-bubbles", 12244b1e60aSAndi Kleen "topdown-fetch-bubbles", 12344b1e60aSAndi Kleen "topdown-slots-issued", 12444b1e60aSAndi Kleen NULL, 12544b1e60aSAndi Kleen }; 12644b1e60aSAndi Kleen 127daefd0bcSKan Liang static const char *smi_cost_attrs = { 128daefd0bcSKan Liang "{" 129daefd0bcSKan Liang "msr/aperf/," 130daefd0bcSKan Liang "msr/smi/," 131daefd0bcSKan Liang "cycles" 132daefd0bcSKan Liang "}" 133daefd0bcSKan Liang }; 134daefd0bcSKan Liang 135666e6d48SRobert Richter static struct perf_evlist *evsel_list; 136361c99a6SArnaldo Carvalho de Melo 137b18f3e36SAndi Kleen static struct rblist metric_events; 138b18f3e36SAndi Kleen 139602ad878SArnaldo Carvalho de Melo static struct target target = { 14077a6f014SNamhyung Kim .uid = UINT_MAX, 14177a6f014SNamhyung Kim }; 14242202dd5SIngo Molnar 1431e5a2931SJiri Olsa typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); 1441e5a2931SJiri Olsa 1453d632595SJaswinder Singh Rajput static int run_count = 1; 1462e6cdf99SStephane Eranian static bool no_inherit = false; 147d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 148c0555642SIan Munsie static bool null_run = false; 1492cba3ffbSIngo Molnar static int detailed_run = 0; 1504cabc3d1SAndi Kleen static bool transaction_run; 15144b1e60aSAndi Kleen static bool topdown_run = false; 152daefd0bcSKan Liang static bool smi_cost = false; 153daefd0bcSKan Liang static bool smi_reset = false; 154201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 155d7470b6aSStephane Eranian static int big_num_opt = -1; 156d7470b6aSStephane Eranian static const char *csv_sep = NULL; 157d7470b6aSStephane Eranian static bool csv_output = false; 15843bece79SLin Ming static bool group = false; 1591f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1601f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1611f16c575SPeter Zijlstra static bool sync_run = false; 16241191688SAndi Kleen static unsigned int initial_delay = 0; 163410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 164a7e191c3SFrederik Deweerdt static bool forever = false; 16554b50916SAndi Kleen static bool metric_only = false; 16644b1e60aSAndi Kleen static bool force_metric_only = false; 167430daf2dSAndi Kleen static bool no_merge = false; 16813370a9bSStephane Eranian static struct timespec ref_time; 16986ee6e18SStephane Eranian static struct cpu_map *aggr_map; 1701e5a2931SJiri Olsa static aggr_get_id_t aggr_get_id; 171e0547311SJiri Olsa static bool append_file; 172e0547311SJiri Olsa static const char *output_name; 173e0547311SJiri Olsa static int output_fd; 17402d492e5SBorislav Petkov static int print_free_counters_hint; 1755af52b51SStephane Eranian 1764979d0c7SJiri Olsa struct perf_stat { 1774979d0c7SJiri Olsa bool record; 1784979d0c7SJiri Olsa struct perf_data_file file; 1794979d0c7SJiri Olsa struct perf_session *session; 1804979d0c7SJiri Olsa u64 bytes_written; 181ba6039b6SJiri Olsa struct perf_tool tool; 1821975d36eSJiri Olsa bool maps_allocated; 1831975d36eSJiri Olsa struct cpu_map *cpus; 1841975d36eSJiri Olsa struct thread_map *threads; 18589af4e05SJiri Olsa enum aggr_mode aggr_mode; 1864979d0c7SJiri Olsa }; 1874979d0c7SJiri Olsa 1884979d0c7SJiri Olsa static struct perf_stat perf_stat; 1894979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1904979d0c7SJiri Olsa 19160666c63SLiming Wang static volatile int done = 0; 19260666c63SLiming Wang 193421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 194421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 195711a572eSJiri Olsa .scale = true, 196421a50f3SJiri Olsa }; 197421a50f3SJiri Olsa 198e864c5caSAndi Kleen static bool is_duration_time(struct perf_evsel *evsel) 199e864c5caSAndi Kleen { 200e864c5caSAndi Kleen return !strcmp(evsel->name, "duration_time"); 201e864c5caSAndi Kleen } 202e864c5caSAndi Kleen 20313370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 20413370a9bSStephane Eranian struct timespec *b) 20513370a9bSStephane Eranian { 20613370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 20713370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 208310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 20913370a9bSStephane Eranian r->tv_sec--; 21013370a9bSStephane Eranian } else { 21113370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 21213370a9bSStephane Eranian } 21313370a9bSStephane Eranian } 21413370a9bSStephane Eranian 215254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 216254ecbc7SJiri Olsa { 217254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 218f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 2191eda3b21SJiri Olsa } 2201eda3b21SJiri Olsa 221cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 22286470930SIngo Molnar { 22369aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 22482bf311eSJiri Olsa struct perf_evsel *leader = evsel->leader; 225727ab04eSArnaldo Carvalho de Melo 22682bf311eSJiri Olsa if (stat_config.scale) { 22786470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 22886470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 22982bf311eSJiri Olsa } 23082bf311eSJiri Olsa 23182bf311eSJiri Olsa /* 23282bf311eSJiri Olsa * The event is part of non trivial group, let's enable 23382bf311eSJiri Olsa * the group read (for leader) and ID retrieval for all 23482bf311eSJiri Olsa * members. 23582bf311eSJiri Olsa */ 23682bf311eSJiri Olsa if (leader->nr_members > 1) 23782bf311eSJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 23886470930SIngo Molnar 2392e6cdf99SStephane Eranian attr->inherit = !no_inherit; 2405d2cd909SArnaldo Carvalho de Melo 2416acd8e92SJiri Olsa /* 2426acd8e92SJiri Olsa * Some events get initialized with sample_(period/type) set, 2436acd8e92SJiri Olsa * like tracepoints. Clear it up for counting. 2446acd8e92SJiri Olsa */ 2456acd8e92SJiri Olsa attr->sample_period = 0; 2466db1a5c1SJiri Olsa 2474979d0c7SJiri Olsa /* 2484979d0c7SJiri Olsa * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 2494979d0c7SJiri Olsa * while avoiding that older tools show confusing messages. 2506db1a5c1SJiri Olsa * 2516db1a5c1SJiri Olsa * However for pipe sessions we need to keep it zero, 2526db1a5c1SJiri Olsa * because script's perf_evsel__check_attr is triggered 2536db1a5c1SJiri Olsa * by attr->sample_type != 0, and we can't run it on 2546db1a5c1SJiri Olsa * stat sessions. 2554979d0c7SJiri Olsa */ 2566db1a5c1SJiri Olsa if (!(STAT_RECORD && perf_stat.file.is_pipe)) 2574979d0c7SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 2586acd8e92SJiri Olsa 25967ccdecdSJiri Olsa /* 26067ccdecdSJiri Olsa * Disabling all counters initially, they will be enabled 26167ccdecdSJiri Olsa * either manually by us or by kernel via enable_on_exec 26267ccdecdSJiri Olsa * set later. 26367ccdecdSJiri Olsa */ 264c8280cecSJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 26567ccdecdSJiri Olsa attr->disabled = 1; 26667ccdecdSJiri Olsa 267c8280cecSJiri Olsa /* 268c8280cecSJiri Olsa * In case of initial_delay we enable tracee 269c8280cecSJiri Olsa * events manually. 270c8280cecSJiri Olsa */ 271c8280cecSJiri Olsa if (target__none(&target) && !initial_delay) 272c8280cecSJiri Olsa attr->enable_on_exec = 1; 273c8280cecSJiri Olsa } 274c8280cecSJiri Olsa 275602ad878SArnaldo Carvalho de Melo if (target__has_cpu(&target)) 276594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 2775622c07bSStephane Eranian 278594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 27986470930SIngo Molnar } 28086470930SIngo Molnar 28186470930SIngo Molnar /* 28286470930SIngo Molnar * Does the counter have nsecs as a unit? 28386470930SIngo Molnar */ 284daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 28586470930SIngo Molnar { 286daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 287daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 28886470930SIngo Molnar return 1; 28986470930SIngo Molnar 29086470930SIngo Molnar return 0; 29186470930SIngo Molnar } 29286470930SIngo Molnar 2938b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2944979d0c7SJiri Olsa union perf_event *event, 2954979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2964979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2974979d0c7SJiri Olsa { 2988b99b1a4SJiri Olsa if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { 2998b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 3008b99b1a4SJiri Olsa return -1; 3018b99b1a4SJiri Olsa } 3028b99b1a4SJiri Olsa 3038b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 3048b99b1a4SJiri Olsa return 0; 3054979d0c7SJiri Olsa } 3064979d0c7SJiri Olsa 3071975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 3087aad0c32SJiri Olsa { 3091975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 3107aad0c32SJiri Olsa process_synthesized_event, 3117aad0c32SJiri Olsa NULL); 3127aad0c32SJiri Olsa } 3137aad0c32SJiri Olsa 3147aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 3157aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 3167aad0c32SJiri Olsa 3175a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 3185a6ea81bSJiri Olsa 3195a6ea81bSJiri Olsa static int 3205a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 3215a6ea81bSJiri Olsa struct perf_counts_values *count) 3225a6ea81bSJiri Olsa { 3235a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 3245a6ea81bSJiri Olsa 3255a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 3265a6ea81bSJiri Olsa process_synthesized_event, NULL); 3275a6ea81bSJiri Olsa } 3285a6ea81bSJiri Olsa 329f5b4a9c3SStephane Eranian /* 330f5b4a9c3SStephane Eranian * Read out the results of a single counter: 331f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 332f5b4a9c3SStephane Eranian */ 333c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 334f5b4a9c3SStephane Eranian { 3359bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 33600e727bbSMark Rutland int ncpus, cpu, thread; 33700e727bbSMark Rutland 33800e727bbSMark Rutland if (target__has_cpu(&target)) 33900e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 34000e727bbSMark Rutland else 34100e727bbSMark Rutland ncpus = 1; 342f5b4a9c3SStephane Eranian 3433b4331d9SSuzuki K. Poulose if (!counter->supported) 3443b4331d9SSuzuki K. Poulose return -ENOENT; 3453b4331d9SSuzuki K. Poulose 3469bf1a529SJiri Olsa if (counter->system_wide) 3479bf1a529SJiri Olsa nthreads = 1; 3489bf1a529SJiri Olsa 3499bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 3509bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 3513b3eb044SJiri Olsa struct perf_counts_values *count; 3523b3eb044SJiri Olsa 3533b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 35482bf311eSJiri Olsa 35582bf311eSJiri Olsa /* 35682bf311eSJiri Olsa * The leader's group read loads data into its group members 35782bf311eSJiri Olsa * (via perf_evsel__read_counter) and sets threir count->loaded. 35882bf311eSJiri Olsa */ 35982bf311eSJiri Olsa if (!count->loaded && 36082bf311eSJiri Olsa perf_evsel__read_counter(counter, cpu, thread)) { 361db49a717SStephane Eranian counter->counts->scaled = -1; 362db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->ena = 0; 363db49a717SStephane Eranian perf_counts(counter->counts, cpu, thread)->run = 0; 364c52b12edSArnaldo Carvalho de Melo return -1; 365db49a717SStephane Eranian } 3665a6ea81bSJiri Olsa 36782bf311eSJiri Olsa count->loaded = false; 36882bf311eSJiri Olsa 3695a6ea81bSJiri Olsa if (STAT_RECORD) { 3705a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3715a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3725a6ea81bSJiri Olsa return -1; 3735a6ea81bSJiri Olsa } 3745a6ea81bSJiri Olsa } 3750b1abbf4SAndi Kleen 3760b1abbf4SAndi Kleen if (verbose > 1) { 3770b1abbf4SAndi Kleen fprintf(stat_config.output, 3780b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3790b1abbf4SAndi Kleen perf_evsel__name(counter), 3800b1abbf4SAndi Kleen cpu, 3810b1abbf4SAndi Kleen count->val, count->ena, count->run); 3820b1abbf4SAndi Kleen } 383f5b4a9c3SStephane Eranian } 3849bf1a529SJiri Olsa } 385c52b12edSArnaldo Carvalho de Melo 386c52b12edSArnaldo Carvalho de Melo return 0; 38786470930SIngo Molnar } 38886470930SIngo Molnar 3893df33effSMark Rutland static void read_counters(void) 390106a94a0SJiri Olsa { 391106a94a0SJiri Olsa struct perf_evsel *counter; 392db49a717SStephane Eranian int ret; 393106a94a0SJiri Olsa 394e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 395db49a717SStephane Eranian ret = read_counter(counter); 396db49a717SStephane Eranian if (ret) 397245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3983b3eb044SJiri Olsa 399db49a717SStephane Eranian if (ret == 0 && perf_stat_process_counter(&stat_config, counter)) 4003b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 401106a94a0SJiri Olsa } 402106a94a0SJiri Olsa } 403106a94a0SJiri Olsa 404ba411a95SJiri Olsa static void process_interval(void) 40513370a9bSStephane Eranian { 40613370a9bSStephane Eranian struct timespec ts, rs; 40713370a9bSStephane Eranian 4083df33effSMark Rutland read_counters(); 40986ee6e18SStephane Eranian 41013370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 41113370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 41213370a9bSStephane Eranian 4137aad0c32SJiri Olsa if (STAT_RECORD) { 414bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 4157aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 4167aad0c32SJiri Olsa } 4177aad0c32SJiri Olsa 418d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 41913370a9bSStephane Eranian } 42013370a9bSStephane Eranian 42167ccdecdSJiri Olsa static void enable_counters(void) 42241191688SAndi Kleen { 42367ccdecdSJiri Olsa if (initial_delay) 424310ebb93SArnaldo Carvalho de Melo usleep(initial_delay * USEC_PER_MSEC); 42567ccdecdSJiri Olsa 42667ccdecdSJiri Olsa /* 42767ccdecdSJiri Olsa * We need to enable counters only if: 42867ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 42967ccdecdSJiri Olsa * - we have initial delay configured 43067ccdecdSJiri Olsa */ 43167ccdecdSJiri Olsa if (!target__none(&target) || initial_delay) 432ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 43341191688SAndi Kleen } 43441191688SAndi Kleen 4353df33effSMark Rutland static void disable_counters(void) 4363df33effSMark Rutland { 4373df33effSMark Rutland /* 4383df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 4393df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 4403df33effSMark Rutland * from counting before reading their constituent counters. 4413df33effSMark Rutland */ 4423df33effSMark Rutland if (!target__none(&target)) 4433df33effSMark Rutland perf_evlist__disable(evsel_list); 4443df33effSMark Rutland } 4453df33effSMark Rutland 446f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 4476af206fdSArnaldo Carvalho de Melo 4486af206fdSArnaldo Carvalho de Melo /* 4496af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 4506af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 4516af206fdSArnaldo Carvalho de Melo * want_signal to true. 4526af206fdSArnaldo Carvalho de Melo */ 453f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 454f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 4556af206fdSArnaldo Carvalho de Melo { 456f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 4576af206fdSArnaldo Carvalho de Melo } 4586af206fdSArnaldo Carvalho de Melo 4597b60a7e3SJiri Olsa static bool has_unit(struct perf_evsel *counter) 4607b60a7e3SJiri Olsa { 4617b60a7e3SJiri Olsa return counter->unit && *counter->unit; 4627b60a7e3SJiri Olsa } 4637b60a7e3SJiri Olsa 4647b60a7e3SJiri Olsa static bool has_scale(struct perf_evsel *counter) 4657b60a7e3SJiri Olsa { 4667b60a7e3SJiri Olsa return counter->scale != 1; 4677b60a7e3SJiri Olsa } 4687b60a7e3SJiri Olsa 469664c98d4SJiri Olsa static int perf_stat_synthesize_config(bool is_pipe) 4708b99b1a4SJiri Olsa { 4717b60a7e3SJiri Olsa struct perf_evsel *counter; 4728b99b1a4SJiri Olsa int err; 4738b99b1a4SJiri Olsa 474664c98d4SJiri Olsa if (is_pipe) { 475664c98d4SJiri Olsa err = perf_event__synthesize_attrs(NULL, perf_stat.session, 476664c98d4SJiri Olsa process_synthesized_event); 477664c98d4SJiri Olsa if (err < 0) { 478664c98d4SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 479664c98d4SJiri Olsa return err; 480664c98d4SJiri Olsa } 481664c98d4SJiri Olsa } 482664c98d4SJiri Olsa 4837b60a7e3SJiri Olsa /* 4847b60a7e3SJiri Olsa * Synthesize other events stuff not carried within 4857b60a7e3SJiri Olsa * attr event - unit, scale, name 4867b60a7e3SJiri Olsa */ 487e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 4887b60a7e3SJiri Olsa if (!counter->supported) 4897b60a7e3SJiri Olsa continue; 4907b60a7e3SJiri Olsa 4917b60a7e3SJiri Olsa /* 4927b60a7e3SJiri Olsa * Synthesize unit and scale only if it's defined. 4937b60a7e3SJiri Olsa */ 4947b60a7e3SJiri Olsa if (has_unit(counter)) { 4957b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); 4967b60a7e3SJiri Olsa if (err < 0) { 4977b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel unit.\n"); 4987b60a7e3SJiri Olsa return err; 4997b60a7e3SJiri Olsa } 5007b60a7e3SJiri Olsa } 5017b60a7e3SJiri Olsa 5027b60a7e3SJiri Olsa if (has_scale(counter)) { 5037b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_scale(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 if (counter->own_cpus) { 5117b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); 5127b60a7e3SJiri Olsa if (err < 0) { 5137b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 5147b60a7e3SJiri Olsa return err; 5157b60a7e3SJiri Olsa } 5167b60a7e3SJiri Olsa } 5177b60a7e3SJiri Olsa 5187b60a7e3SJiri Olsa /* 5197b60a7e3SJiri Olsa * Name is needed only for pipe output, 5207b60a7e3SJiri Olsa * perf.data carries event names. 5217b60a7e3SJiri Olsa */ 5227b60a7e3SJiri Olsa if (is_pipe) { 5237b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); 5247b60a7e3SJiri Olsa if (err < 0) { 5257b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel name.\n"); 5267b60a7e3SJiri Olsa return err; 5277b60a7e3SJiri Olsa } 5287b60a7e3SJiri Olsa } 5297b60a7e3SJiri Olsa } 5307b60a7e3SJiri Olsa 5318b99b1a4SJiri Olsa err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, 5328b99b1a4SJiri Olsa process_synthesized_event, 5338b99b1a4SJiri Olsa NULL); 5348b99b1a4SJiri Olsa if (err < 0) { 5358b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5368b99b1a4SJiri Olsa return err; 5378b99b1a4SJiri Olsa } 5388b99b1a4SJiri Olsa 5398b99b1a4SJiri Olsa err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, 5408b99b1a4SJiri Olsa process_synthesized_event, NULL); 5418b99b1a4SJiri Olsa if (err < 0) { 5428b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5438b99b1a4SJiri Olsa return err; 5448b99b1a4SJiri Olsa } 5458b99b1a4SJiri Olsa 5468b99b1a4SJiri Olsa err = perf_event__synthesize_stat_config(NULL, &stat_config, 5478b99b1a4SJiri Olsa process_synthesized_event, NULL); 5488b99b1a4SJiri Olsa if (err < 0) { 5498b99b1a4SJiri Olsa pr_err("Couldn't synthesize config.\n"); 5508b99b1a4SJiri Olsa return err; 5518b99b1a4SJiri Olsa } 5528b99b1a4SJiri Olsa 5538b99b1a4SJiri Olsa return 0; 5548b99b1a4SJiri Olsa } 5558b99b1a4SJiri Olsa 5562af4646dSJiri Olsa #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 5572af4646dSJiri Olsa 5582af4646dSJiri Olsa static int __store_counter_ids(struct perf_evsel *counter, 5592af4646dSJiri Olsa struct cpu_map *cpus, 5602af4646dSJiri Olsa struct thread_map *threads) 5612af4646dSJiri Olsa { 5622af4646dSJiri Olsa int cpu, thread; 5632af4646dSJiri Olsa 5642af4646dSJiri Olsa for (cpu = 0; cpu < cpus->nr; cpu++) { 5652af4646dSJiri Olsa for (thread = 0; thread < threads->nr; thread++) { 5662af4646dSJiri Olsa int fd = FD(counter, cpu, thread); 5672af4646dSJiri Olsa 5682af4646dSJiri Olsa if (perf_evlist__id_add_fd(evsel_list, counter, 5692af4646dSJiri Olsa cpu, thread, fd) < 0) 5702af4646dSJiri Olsa return -1; 5712af4646dSJiri Olsa } 5722af4646dSJiri Olsa } 5732af4646dSJiri Olsa 5742af4646dSJiri Olsa return 0; 5752af4646dSJiri Olsa } 5762af4646dSJiri Olsa 5772af4646dSJiri Olsa static int store_counter_ids(struct perf_evsel *counter) 5782af4646dSJiri Olsa { 5792af4646dSJiri Olsa struct cpu_map *cpus = counter->cpus; 5802af4646dSJiri Olsa struct thread_map *threads = counter->threads; 5812af4646dSJiri Olsa 5822af4646dSJiri Olsa if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) 5832af4646dSJiri Olsa return -ENOMEM; 5842af4646dSJiri Olsa 5852af4646dSJiri Olsa return __store_counter_ids(counter, cpus, threads); 5862af4646dSJiri Olsa } 5872af4646dSJiri Olsa 58882bf311eSJiri Olsa static bool perf_evsel__should_store_id(struct perf_evsel *counter) 58982bf311eSJiri Olsa { 59082bf311eSJiri Olsa return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID; 59182bf311eSJiri Olsa } 59282bf311eSJiri Olsa 5935a5dfe4bSAndi Kleen static struct perf_evsel *perf_evsel__reset_weak_group(struct perf_evsel *evsel) 5945a5dfe4bSAndi Kleen { 5955a5dfe4bSAndi Kleen struct perf_evsel *c2, *leader; 5965a5dfe4bSAndi Kleen bool is_open = true; 5975a5dfe4bSAndi Kleen 5985a5dfe4bSAndi Kleen leader = evsel->leader; 5995a5dfe4bSAndi Kleen pr_debug("Weak group for %s/%d failed\n", 6005a5dfe4bSAndi Kleen leader->name, leader->nr_members); 6015a5dfe4bSAndi Kleen 6025a5dfe4bSAndi Kleen /* 6035a5dfe4bSAndi Kleen * for_each_group_member doesn't work here because it doesn't 6045a5dfe4bSAndi Kleen * include the first entry. 6055a5dfe4bSAndi Kleen */ 6065a5dfe4bSAndi Kleen evlist__for_each_entry(evsel_list, c2) { 6075a5dfe4bSAndi Kleen if (c2 == evsel) 6085a5dfe4bSAndi Kleen is_open = false; 6095a5dfe4bSAndi Kleen if (c2->leader == leader) { 6105a5dfe4bSAndi Kleen if (is_open) 6115a5dfe4bSAndi Kleen perf_evsel__close(c2); 6125a5dfe4bSAndi Kleen c2->leader = c2; 6135a5dfe4bSAndi Kleen c2->nr_members = 0; 6145a5dfe4bSAndi Kleen } 6155a5dfe4bSAndi Kleen } 6165a5dfe4bSAndi Kleen return leader; 6175a5dfe4bSAndi Kleen } 6185a5dfe4bSAndi Kleen 619acf28922SNamhyung Kim static int __run_perf_stat(int argc, const char **argv) 62086470930SIngo Molnar { 621ec0d3d1fSJiri Olsa int interval = stat_config.interval; 622d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 62386470930SIngo Molnar unsigned long long t0, t1; 624cac21425SJiri Olsa struct perf_evsel *counter; 62513370a9bSStephane Eranian struct timespec ts; 626410136f5SStephane Eranian size_t l; 62742202dd5SIngo Molnar int status = 0; 6286be2850eSZhang, Yanmin const bool forks = (argc > 0); 629664c98d4SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; 6305d8bb1ecSMathieu Poirier struct perf_evsel_config_term *err_term; 63186470930SIngo Molnar 63213370a9bSStephane Eranian if (interval) { 633310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 634310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 63513370a9bSStephane Eranian } else { 63613370a9bSStephane Eranian ts.tv_sec = 1; 63713370a9bSStephane Eranian ts.tv_nsec = 0; 63813370a9bSStephane Eranian } 63913370a9bSStephane Eranian 640acf28922SNamhyung Kim if (forks) { 641664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 642735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 643acf28922SNamhyung Kim perror("failed to prepare workload"); 644fceda7feSDavid Ahern return -1; 645051ae7f7SPaul Mackerras } 646d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 64760666c63SLiming Wang } 648051ae7f7SPaul Mackerras 6496a4bb04cSJiri Olsa if (group) 65063dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 6516a4bb04cSJiri Olsa 652e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 65342ef8a78SArnaldo Carvalho de Melo try_again: 654cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 6555a5dfe4bSAndi Kleen 6565a5dfe4bSAndi Kleen /* Weak group failed. Reset the group. */ 6575a5dfe4bSAndi Kleen if (errno == EINVAL && 6585a5dfe4bSAndi Kleen counter->leader != counter && 6595a5dfe4bSAndi Kleen counter->weak_group) { 6605a5dfe4bSAndi Kleen counter = perf_evsel__reset_weak_group(counter); 6615a5dfe4bSAndi Kleen goto try_again; 6625a5dfe4bSAndi Kleen } 6635a5dfe4bSAndi Kleen 664979987a5SDavid Ahern /* 665979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 666979987a5SDavid Ahern * (behavior changed with commit b0a873e). 667979987a5SDavid Ahern */ 66838f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 669979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 670979987a5SDavid Ahern errno == ENXIO) { 671bb963e16SNamhyung Kim if (verbose > 0) 672c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 6737289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 6742cee77c4SDavid Ahern counter->supported = false; 675cb5ef600SKan Liang 676cb5ef600SKan Liang if ((counter->leader != counter) || 677cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 678ede70290SIngo Molnar continue; 67942ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 680bb963e16SNamhyung Kim if (verbose > 0) 68142ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 68242ef8a78SArnaldo Carvalho de Melo goto try_again; 683c63ca0c0SDavid Ahern } 684ede70290SIngo Molnar 68556e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 68656e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 68756e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 68856e52e85SArnaldo Carvalho de Melo 689084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 690084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 691fceda7feSDavid Ahern 692084ab9f8SArnaldo Carvalho de Melo return -1; 693084ab9f8SArnaldo Carvalho de Melo } 6942cee77c4SDavid Ahern counter->supported = true; 695410136f5SStephane Eranian 696410136f5SStephane Eranian l = strlen(counter->unit); 697410136f5SStephane Eranian if (l > unit_width) 698410136f5SStephane Eranian unit_width = l; 6992af4646dSJiri Olsa 70082bf311eSJiri Olsa if (perf_evsel__should_store_id(counter) && 70182bf311eSJiri Olsa store_counter_ids(counter)) 7022af4646dSJiri Olsa return -1; 70348290609SArnaldo Carvalho de Melo } 70486470930SIngo Molnar 70523d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 70662d94b00SArnaldo Carvalho de Melo pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n", 70723d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 708c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 709cfd748aeSFrederic Weisbecker return -1; 710cfd748aeSFrederic Weisbecker } 711cfd748aeSFrederic Weisbecker 7125d8bb1ecSMathieu Poirier if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) { 71362d94b00SArnaldo Carvalho de Melo pr_err("failed to set config \"%s\" on event %s with %d (%s)\n", 7145d8bb1ecSMathieu Poirier err_term->val.drv_cfg, perf_evsel__name(counter), errno, 7155d8bb1ecSMathieu Poirier str_error_r(errno, msg, sizeof(msg))); 7165d8bb1ecSMathieu Poirier return -1; 7175d8bb1ecSMathieu Poirier } 7185d8bb1ecSMathieu Poirier 7194979d0c7SJiri Olsa if (STAT_RECORD) { 7204979d0c7SJiri Olsa int err, fd = perf_data_file__fd(&perf_stat.file); 7214979d0c7SJiri Olsa 722664c98d4SJiri Olsa if (is_pipe) { 723664c98d4SJiri Olsa err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); 724664c98d4SJiri Olsa } else { 7254979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 7264979d0c7SJiri Olsa fd, false); 727664c98d4SJiri Olsa } 728664c98d4SJiri Olsa 7294979d0c7SJiri Olsa if (err < 0) 7304979d0c7SJiri Olsa return err; 7318b99b1a4SJiri Olsa 732664c98d4SJiri Olsa err = perf_stat_synthesize_config(is_pipe); 7338b99b1a4SJiri Olsa if (err < 0) 7348b99b1a4SJiri Olsa return err; 7354979d0c7SJiri Olsa } 7364979d0c7SJiri Olsa 73786470930SIngo Molnar /* 73886470930SIngo Molnar * Enable counters and exec the command: 73986470930SIngo Molnar */ 74086470930SIngo Molnar t0 = rdclock(); 74113370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 74286470930SIngo Molnar 74360666c63SLiming Wang if (forks) { 744acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 74567ccdecdSJiri Olsa enable_counters(); 746acf28922SNamhyung Kim 74713370a9bSStephane Eranian if (interval) { 74813370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 74913370a9bSStephane Eranian nanosleep(&ts, NULL); 750ba411a95SJiri Olsa process_interval(); 75113370a9bSStephane Eranian } 75213370a9bSStephane Eranian } 753dfc9eec7SMilian Wolff waitpid(child_pid, &status, 0); 7546af206fdSArnaldo Carvalho de Melo 755f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 756c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 757f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 7586af206fdSArnaldo Carvalho de Melo return -1; 759f33cbe72SArnaldo Carvalho de Melo } 7606af206fdSArnaldo Carvalho de Melo 76133e49ea7SAndi Kleen if (WIFSIGNALED(status)) 76233e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 76360666c63SLiming Wang } else { 76467ccdecdSJiri Olsa enable_counters(); 76513370a9bSStephane Eranian while (!done) { 76613370a9bSStephane Eranian nanosleep(&ts, NULL); 76713370a9bSStephane Eranian if (interval) 768ba411a95SJiri Olsa process_interval(); 76913370a9bSStephane Eranian } 77060666c63SLiming Wang } 77186470930SIngo Molnar 7723df33effSMark Rutland disable_counters(); 7733df33effSMark Rutland 77486470930SIngo Molnar t1 = rdclock(); 77586470930SIngo Molnar 7769e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 77742202dd5SIngo Molnar 7783df33effSMark Rutland /* 7793df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 7803df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 7813df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 7823df33effSMark Rutland * group leaders. 7833df33effSMark Rutland */ 7843df33effSMark Rutland read_counters(); 7853df33effSMark Rutland perf_evlist__close(evsel_list); 786c52b12edSArnaldo Carvalho de Melo 78742202dd5SIngo Molnar return WEXITSTATUS(status); 78842202dd5SIngo Molnar } 78942202dd5SIngo Molnar 79041cde476SArnaldo Carvalho de Melo static int run_perf_stat(int argc, const char **argv) 7911f16c575SPeter Zijlstra { 7921f16c575SPeter Zijlstra int ret; 7931f16c575SPeter Zijlstra 7941f16c575SPeter Zijlstra if (pre_cmd) { 7951f16c575SPeter Zijlstra ret = system(pre_cmd); 7961f16c575SPeter Zijlstra if (ret) 7971f16c575SPeter Zijlstra return ret; 7981f16c575SPeter Zijlstra } 7991f16c575SPeter Zijlstra 8001f16c575SPeter Zijlstra if (sync_run) 8011f16c575SPeter Zijlstra sync(); 8021f16c575SPeter Zijlstra 8031f16c575SPeter Zijlstra ret = __run_perf_stat(argc, argv); 8041f16c575SPeter Zijlstra if (ret) 8051f16c575SPeter Zijlstra return ret; 8061f16c575SPeter Zijlstra 8071f16c575SPeter Zijlstra if (post_cmd) { 8081f16c575SPeter Zijlstra ret = system(post_cmd); 8091f16c575SPeter Zijlstra if (ret) 8101f16c575SPeter Zijlstra return ret; 8111f16c575SPeter Zijlstra } 8121f16c575SPeter Zijlstra 8131f16c575SPeter Zijlstra return ret; 8141f16c575SPeter Zijlstra } 8151f16c575SPeter Zijlstra 816d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 817d73515c0SAndi Kleen { 818d73515c0SAndi Kleen if (csv_output) { 8195821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 820d73515c0SAndi Kleen csv_sep, 821d73515c0SAndi Kleen run, 822d73515c0SAndi Kleen csv_sep, 823d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 824d73515c0SAndi Kleen } else if (run != ena) { 8255821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 826d73515c0SAndi Kleen } 827d73515c0SAndi Kleen } 828d73515c0SAndi Kleen 829f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 830f99844cbSIngo Molnar { 8310007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 832f99844cbSIngo Molnar 8333ae9a34dSZhengyu He if (csv_output) 8345821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 835a1bca6ccSJim Cromie else if (pct) 8365821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 837f99844cbSIngo Molnar } 838f99844cbSIngo Molnar 83969aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 84042202dd5SIngo Molnar { 841581cc8a2SJiri Olsa struct perf_stat_evsel *ps; 84269aad6f1SArnaldo Carvalho de Melo 843849abde9SPeter Zijlstra if (run_count == 1) 844849abde9SPeter Zijlstra return; 845849abde9SPeter Zijlstra 84669aad6f1SArnaldo Carvalho de Melo ps = evsel->priv; 847f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 84842202dd5SIngo Molnar } 84942202dd5SIngo Molnar 85012c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 85142202dd5SIngo Molnar { 852421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 85312c08a9fSStephane Eranian case AGGR_CORE: 8545821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 85512c08a9fSStephane Eranian cpu_map__id_to_socket(id), 85612c08a9fSStephane Eranian csv_output ? 0 : -8, 85712c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 85812c08a9fSStephane Eranian csv_sep, 85912c08a9fSStephane Eranian csv_output ? 0 : 4, 86012c08a9fSStephane Eranian nr, 86112c08a9fSStephane Eranian csv_sep); 86212c08a9fSStephane Eranian break; 86386ee6e18SStephane Eranian case AGGR_SOCKET: 8645821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 865d7e7a451SStephane Eranian csv_output ? 0 : -5, 86612c08a9fSStephane Eranian id, 867d7e7a451SStephane Eranian csv_sep, 868d7e7a451SStephane Eranian csv_output ? 0 : 4, 869d7e7a451SStephane Eranian nr, 870d7e7a451SStephane Eranian csv_sep); 87186ee6e18SStephane Eranian break; 87286ee6e18SStephane Eranian case AGGR_NONE: 8735821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 874d7470b6aSStephane Eranian csv_output ? 0 : -4, 87512c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 87686ee6e18SStephane Eranian break; 87732b8af82SJiri Olsa case AGGR_THREAD: 8785821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 87932b8af82SJiri Olsa csv_output ? 0 : 16, 88032b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 88132b8af82SJiri Olsa csv_output ? 0 : -8, 88232b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 88332b8af82SJiri Olsa csv_sep); 88432b8af82SJiri Olsa break; 88586ee6e18SStephane Eranian case AGGR_GLOBAL: 886208df99eSJiri Olsa case AGGR_UNSET: 88786ee6e18SStephane Eranian default: 88886ee6e18SStephane Eranian break; 88986ee6e18SStephane Eranian } 89086ee6e18SStephane Eranian } 891d7470b6aSStephane Eranian 892140aeadcSAndi Kleen struct outstate { 893140aeadcSAndi Kleen FILE *fh; 894140aeadcSAndi Kleen bool newline; 895f9483392SAndi Kleen const char *prefix; 89692a61f64SAndi Kleen int nfields; 89744d49a60SAndi Kleen int id, nr; 89844d49a60SAndi Kleen struct perf_evsel *evsel; 899140aeadcSAndi Kleen }; 900140aeadcSAndi Kleen 901140aeadcSAndi Kleen #define METRIC_LEN 35 902140aeadcSAndi Kleen 903140aeadcSAndi Kleen static void new_line_std(void *ctx) 904140aeadcSAndi Kleen { 905140aeadcSAndi Kleen struct outstate *os = ctx; 906140aeadcSAndi Kleen 907140aeadcSAndi Kleen os->newline = true; 908140aeadcSAndi Kleen } 909140aeadcSAndi Kleen 910140aeadcSAndi Kleen static void do_new_line_std(struct outstate *os) 911140aeadcSAndi Kleen { 912140aeadcSAndi Kleen fputc('\n', os->fh); 913f9483392SAndi Kleen fputs(os->prefix, os->fh); 91444d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 915140aeadcSAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 916140aeadcSAndi Kleen fprintf(os->fh, " "); 917140aeadcSAndi Kleen fprintf(os->fh, " "); 918140aeadcSAndi Kleen } 919140aeadcSAndi Kleen 920140aeadcSAndi Kleen static void print_metric_std(void *ctx, const char *color, const char *fmt, 921140aeadcSAndi Kleen const char *unit, double val) 922140aeadcSAndi Kleen { 923140aeadcSAndi Kleen struct outstate *os = ctx; 924140aeadcSAndi Kleen FILE *out = os->fh; 925140aeadcSAndi Kleen int n; 926140aeadcSAndi Kleen bool newline = os->newline; 927140aeadcSAndi Kleen 928140aeadcSAndi Kleen os->newline = false; 929140aeadcSAndi Kleen 930140aeadcSAndi Kleen if (unit == NULL || fmt == NULL) { 931140aeadcSAndi Kleen fprintf(out, "%-*s", METRIC_LEN, ""); 932140aeadcSAndi Kleen return; 933140aeadcSAndi Kleen } 934140aeadcSAndi Kleen 935140aeadcSAndi Kleen if (newline) 936140aeadcSAndi Kleen do_new_line_std(os); 937140aeadcSAndi Kleen 938140aeadcSAndi Kleen n = fprintf(out, " # "); 939140aeadcSAndi Kleen if (color) 940140aeadcSAndi Kleen n += color_fprintf(out, color, fmt, val); 941140aeadcSAndi Kleen else 942140aeadcSAndi Kleen n += fprintf(out, fmt, val); 943140aeadcSAndi Kleen fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 944140aeadcSAndi Kleen } 945140aeadcSAndi Kleen 94692a61f64SAndi Kleen static void new_line_csv(void *ctx) 94792a61f64SAndi Kleen { 94892a61f64SAndi Kleen struct outstate *os = ctx; 94992a61f64SAndi Kleen int i; 95092a61f64SAndi Kleen 95192a61f64SAndi Kleen fputc('\n', os->fh); 95292a61f64SAndi Kleen if (os->prefix) 95392a61f64SAndi Kleen fprintf(os->fh, "%s%s", os->prefix, csv_sep); 95444d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 95592a61f64SAndi Kleen for (i = 0; i < os->nfields; i++) 95692a61f64SAndi Kleen fputs(csv_sep, os->fh); 95792a61f64SAndi Kleen } 95892a61f64SAndi Kleen 95992a61f64SAndi Kleen static void print_metric_csv(void *ctx, 96092a61f64SAndi Kleen const char *color __maybe_unused, 96192a61f64SAndi Kleen const char *fmt, const char *unit, double val) 96292a61f64SAndi Kleen { 96392a61f64SAndi Kleen struct outstate *os = ctx; 96492a61f64SAndi Kleen FILE *out = os->fh; 96592a61f64SAndi Kleen char buf[64], *vals, *ends; 96692a61f64SAndi Kleen 96792a61f64SAndi Kleen if (unit == NULL || fmt == NULL) { 96892a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep); 96992a61f64SAndi Kleen return; 97092a61f64SAndi Kleen } 97192a61f64SAndi Kleen snprintf(buf, sizeof(buf), fmt, val); 972b07c40dfSTaeung Song ends = vals = ltrim(buf); 97392a61f64SAndi Kleen while (isdigit(*ends) || *ends == '.') 97492a61f64SAndi Kleen ends++; 97592a61f64SAndi Kleen *ends = 0; 97692a61f64SAndi Kleen while (isspace(*unit)) 97792a61f64SAndi Kleen unit++; 97892a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); 97992a61f64SAndi Kleen } 98092a61f64SAndi Kleen 98154b50916SAndi Kleen #define METRIC_ONLY_LEN 20 98254b50916SAndi Kleen 98354b50916SAndi Kleen /* Filter out some columns that don't work well in metrics only mode */ 98454b50916SAndi Kleen 98554b50916SAndi Kleen static bool valid_only_metric(const char *unit) 98654b50916SAndi Kleen { 98754b50916SAndi Kleen if (!unit) 98854b50916SAndi Kleen return false; 98954b50916SAndi Kleen if (strstr(unit, "/sec") || 99054b50916SAndi Kleen strstr(unit, "hz") || 99154b50916SAndi Kleen strstr(unit, "Hz") || 99254b50916SAndi Kleen strstr(unit, "CPUs utilized")) 99354b50916SAndi Kleen return false; 99454b50916SAndi Kleen return true; 99554b50916SAndi Kleen } 99654b50916SAndi Kleen 99754b50916SAndi Kleen static const char *fixunit(char *buf, struct perf_evsel *evsel, 99854b50916SAndi Kleen const char *unit) 99954b50916SAndi Kleen { 100054b50916SAndi Kleen if (!strncmp(unit, "of all", 6)) { 100154b50916SAndi Kleen snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), 100254b50916SAndi Kleen unit); 100354b50916SAndi Kleen return buf; 100454b50916SAndi Kleen } 100554b50916SAndi Kleen return unit; 100654b50916SAndi Kleen } 100754b50916SAndi Kleen 100854b50916SAndi Kleen static void print_metric_only(void *ctx, const char *color, const char *fmt, 100954b50916SAndi Kleen const char *unit, double val) 101054b50916SAndi Kleen { 101154b50916SAndi Kleen struct outstate *os = ctx; 101254b50916SAndi Kleen FILE *out = os->fh; 101354b50916SAndi Kleen int n; 101454b50916SAndi Kleen char buf[1024]; 101554b50916SAndi Kleen unsigned mlen = METRIC_ONLY_LEN; 101654b50916SAndi Kleen 101754b50916SAndi Kleen if (!valid_only_metric(unit)) 101854b50916SAndi Kleen return; 101954b50916SAndi Kleen unit = fixunit(buf, os->evsel, unit); 102054b50916SAndi Kleen if (color) 102154b50916SAndi Kleen n = color_fprintf(out, color, fmt, val); 102254b50916SAndi Kleen else 102354b50916SAndi Kleen n = fprintf(out, fmt, val); 102454b50916SAndi Kleen if (n > METRIC_ONLY_LEN) 102554b50916SAndi Kleen n = METRIC_ONLY_LEN; 102654b50916SAndi Kleen if (mlen < strlen(unit)) 102754b50916SAndi Kleen mlen = strlen(unit) + 1; 102854b50916SAndi Kleen fprintf(out, "%*s", mlen - n, ""); 102954b50916SAndi Kleen } 103054b50916SAndi Kleen 103154b50916SAndi Kleen static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, 103254b50916SAndi Kleen const char *fmt, 103354b50916SAndi Kleen const char *unit, double val) 103454b50916SAndi Kleen { 103554b50916SAndi Kleen struct outstate *os = ctx; 103654b50916SAndi Kleen FILE *out = os->fh; 103754b50916SAndi Kleen char buf[64], *vals, *ends; 103854b50916SAndi Kleen char tbuf[1024]; 103954b50916SAndi Kleen 104054b50916SAndi Kleen if (!valid_only_metric(unit)) 104154b50916SAndi Kleen return; 104254b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 104354b50916SAndi Kleen snprintf(buf, sizeof buf, fmt, val); 1044b07c40dfSTaeung Song ends = vals = ltrim(buf); 104554b50916SAndi Kleen while (isdigit(*ends) || *ends == '.') 104654b50916SAndi Kleen ends++; 104754b50916SAndi Kleen *ends = 0; 104854b50916SAndi Kleen fprintf(out, "%s%s", vals, csv_sep); 104954b50916SAndi Kleen } 105054b50916SAndi Kleen 105154b50916SAndi Kleen static void new_line_metric(void *ctx __maybe_unused) 105254b50916SAndi Kleen { 105354b50916SAndi Kleen } 105454b50916SAndi Kleen 105554b50916SAndi Kleen static void print_metric_header(void *ctx, const char *color __maybe_unused, 105654b50916SAndi Kleen const char *fmt __maybe_unused, 105754b50916SAndi Kleen const char *unit, double val __maybe_unused) 105854b50916SAndi Kleen { 105954b50916SAndi Kleen struct outstate *os = ctx; 106054b50916SAndi Kleen char tbuf[1024]; 106154b50916SAndi Kleen 106254b50916SAndi Kleen if (!valid_only_metric(unit)) 106354b50916SAndi Kleen return; 106454b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 106554b50916SAndi Kleen if (csv_output) 106654b50916SAndi Kleen fprintf(os->fh, "%s%s", unit, csv_sep); 106754b50916SAndi Kleen else 106854b50916SAndi Kleen fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); 106954b50916SAndi Kleen } 107054b50916SAndi Kleen 1071da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 107286ee6e18SStephane Eranian { 10735821522eSJiri Olsa FILE *output = stat_config.output; 1074310ebb93SArnaldo Carvalho de Melo double msecs = avg / NSEC_PER_MSEC; 1075410136f5SStephane Eranian const char *fmt_v, *fmt_n; 10764bbe5a61SDavid Ahern char name[25]; 107786ee6e18SStephane Eranian 1078410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 1079410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 1080410136f5SStephane Eranian 1081da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 108286ee6e18SStephane Eranian 10834bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 10844bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 1085410136f5SStephane Eranian 1086410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 1087410136f5SStephane Eranian 1088410136f5SStephane Eranian if (csv_output) 1089410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 1090410136f5SStephane Eranian else 1091410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 1092410136f5SStephane Eranian 1093410136f5SStephane Eranian fprintf(output, fmt_n, name); 1094d7470b6aSStephane Eranian 1095023695d9SStephane Eranian if (evsel->cgrp) 10964aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 109742202dd5SIngo Molnar } 109842202dd5SIngo Molnar 109944d49a60SAndi Kleen static int first_shadow_cpu(struct perf_evsel *evsel, int id) 110044d49a60SAndi Kleen { 110144d49a60SAndi Kleen int i; 110244d49a60SAndi Kleen 110344d49a60SAndi Kleen if (!aggr_get_id) 110444d49a60SAndi Kleen return 0; 110544d49a60SAndi Kleen 110644d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 110744d49a60SAndi Kleen return id; 110844d49a60SAndi Kleen 110944d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL) 111044d49a60SAndi Kleen return 0; 111144d49a60SAndi Kleen 111244d49a60SAndi Kleen for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { 111344d49a60SAndi Kleen int cpu2 = perf_evsel__cpus(evsel)->map[i]; 111444d49a60SAndi Kleen 111544d49a60SAndi Kleen if (aggr_get_id(evsel_list->cpus, cpu2) == id) 111644d49a60SAndi Kleen return cpu2; 111744d49a60SAndi Kleen } 111844d49a60SAndi Kleen return 0; 111944d49a60SAndi Kleen } 112044d49a60SAndi Kleen 1121556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 1122556b1fb7SJiri Olsa { 11235821522eSJiri Olsa FILE *output = stat_config.output; 1124556b1fb7SJiri Olsa double sc = evsel->scale; 1125556b1fb7SJiri Olsa const char *fmt; 1126556b1fb7SJiri Olsa 1127556b1fb7SJiri Olsa if (csv_output) { 1128e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; 1129556b1fb7SJiri Olsa } else { 1130556b1fb7SJiri Olsa if (big_num) 1131e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; 1132556b1fb7SJiri Olsa else 1133e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; 1134556b1fb7SJiri Olsa } 1135556b1fb7SJiri Olsa 1136556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 1137556b1fb7SJiri Olsa 1138556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 1139556b1fb7SJiri Olsa 1140556b1fb7SJiri Olsa if (evsel->unit) 1141556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 1142556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 1143556b1fb7SJiri Olsa evsel->unit, csv_sep); 1144556b1fb7SJiri Olsa 1145556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 1146556b1fb7SJiri Olsa 1147556b1fb7SJiri Olsa if (evsel->cgrp) 1148556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 1149eedfcb4bSAndi Kleen } 1150556b1fb7SJiri Olsa 1151f9483392SAndi Kleen static void printout(int id, int nr, struct perf_evsel *counter, double uval, 1152cb110f47SAndi Kleen char *prefix, u64 run, u64 ena, double noise) 1153eedfcb4bSAndi Kleen { 1154140aeadcSAndi Kleen struct perf_stat_output_ctx out; 1155f9483392SAndi Kleen struct outstate os = { 1156f9483392SAndi Kleen .fh = stat_config.output, 115744d49a60SAndi Kleen .prefix = prefix ? prefix : "", 115844d49a60SAndi Kleen .id = id, 115944d49a60SAndi Kleen .nr = nr, 116044d49a60SAndi Kleen .evsel = counter, 1161f9483392SAndi Kleen }; 1162140aeadcSAndi Kleen print_metric_t pm = print_metric_std; 1163140aeadcSAndi Kleen void (*nl)(void *); 1164556b1fb7SJiri Olsa 116554b50916SAndi Kleen if (metric_only) { 116654b50916SAndi Kleen nl = new_line_metric; 116754b50916SAndi Kleen if (csv_output) 116854b50916SAndi Kleen pm = print_metric_only_csv; 116954b50916SAndi Kleen else 117054b50916SAndi Kleen pm = print_metric_only; 117154b50916SAndi Kleen } else 1172140aeadcSAndi Kleen nl = new_line_std; 1173eedfcb4bSAndi Kleen 117454b50916SAndi Kleen if (csv_output && !metric_only) { 117592a61f64SAndi Kleen static int aggr_fields[] = { 117692a61f64SAndi Kleen [AGGR_GLOBAL] = 0, 117792a61f64SAndi Kleen [AGGR_THREAD] = 1, 117892a61f64SAndi Kleen [AGGR_NONE] = 1, 117992a61f64SAndi Kleen [AGGR_SOCKET] = 2, 118092a61f64SAndi Kleen [AGGR_CORE] = 2, 118192a61f64SAndi Kleen }; 118292a61f64SAndi Kleen 118392a61f64SAndi Kleen pm = print_metric_csv; 118492a61f64SAndi Kleen nl = new_line_csv; 118592a61f64SAndi Kleen os.nfields = 3; 118692a61f64SAndi Kleen os.nfields += aggr_fields[stat_config.aggr_mode]; 118792a61f64SAndi Kleen if (counter->cgrp) 118892a61f64SAndi Kleen os.nfields++; 118992a61f64SAndi Kleen } 1190b002f3bbSAndi Kleen if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 119154b50916SAndi Kleen if (metric_only) { 119254b50916SAndi Kleen pm(&os, NULL, "", "", 0); 119354b50916SAndi Kleen return; 119454b50916SAndi Kleen } 1195cb110f47SAndi Kleen aggr_printout(counter, id, nr); 1196cb110f47SAndi Kleen 1197cb110f47SAndi Kleen fprintf(stat_config.output, "%*s%s", 1198cb110f47SAndi Kleen csv_output ? 0 : 18, 1199cb110f47SAndi Kleen counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 1200cb110f47SAndi Kleen csv_sep); 1201cb110f47SAndi Kleen 120202d492e5SBorislav Petkov if (counter->supported) 120302d492e5SBorislav Petkov print_free_counters_hint = 1; 120402d492e5SBorislav Petkov 1205cb110f47SAndi Kleen fprintf(stat_config.output, "%-*s%s", 1206cb110f47SAndi Kleen csv_output ? 0 : unit_width, 1207cb110f47SAndi Kleen counter->unit, csv_sep); 1208cb110f47SAndi Kleen 1209cb110f47SAndi Kleen fprintf(stat_config.output, "%*s", 1210cb110f47SAndi Kleen csv_output ? 0 : -25, 1211cb110f47SAndi Kleen perf_evsel__name(counter)); 1212cb110f47SAndi Kleen 1213cb110f47SAndi Kleen if (counter->cgrp) 1214cb110f47SAndi Kleen fprintf(stat_config.output, "%s%s", 1215cb110f47SAndi Kleen csv_sep, counter->cgrp->name); 1216cb110f47SAndi Kleen 121792a61f64SAndi Kleen if (!csv_output) 121892a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 121992a61f64SAndi Kleen print_noise(counter, noise); 1220cb110f47SAndi Kleen print_running(run, ena); 122192a61f64SAndi Kleen if (csv_output) 122292a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 1223cb110f47SAndi Kleen return; 1224cb110f47SAndi Kleen } 1225cb110f47SAndi Kleen 122654b50916SAndi Kleen if (metric_only) 122754b50916SAndi Kleen /* nothing */; 122854b50916SAndi Kleen else if (nsec_counter(counter)) 1229eedfcb4bSAndi Kleen nsec_printout(id, nr, counter, uval); 1230eedfcb4bSAndi Kleen else 1231eedfcb4bSAndi Kleen abs_printout(id, nr, counter, uval); 1232eedfcb4bSAndi Kleen 1233140aeadcSAndi Kleen out.print_metric = pm; 1234140aeadcSAndi Kleen out.new_line = nl; 1235140aeadcSAndi Kleen out.ctx = &os; 123637932c18SAndi Kleen out.force_header = false; 1237140aeadcSAndi Kleen 123854b50916SAndi Kleen if (csv_output && !metric_only) { 123992a61f64SAndi Kleen print_noise(counter, noise); 124092a61f64SAndi Kleen print_running(run, ena); 124192a61f64SAndi Kleen } 124292a61f64SAndi Kleen 1243140aeadcSAndi Kleen perf_stat__print_shadow_stats(counter, uval, 124444d49a60SAndi Kleen first_shadow_cpu(counter, id), 1245b18f3e36SAndi Kleen &out, &metric_events); 124654b50916SAndi Kleen if (!csv_output && !metric_only) { 1247cb110f47SAndi Kleen print_noise(counter, noise); 1248cb110f47SAndi Kleen print_running(run, ena); 1249556b1fb7SJiri Olsa } 125092a61f64SAndi Kleen } 1251556b1fb7SJiri Olsa 125244d49a60SAndi Kleen static void aggr_update_shadow(void) 125344d49a60SAndi Kleen { 125444d49a60SAndi Kleen int cpu, s2, id, s; 125544d49a60SAndi Kleen u64 val; 125644d49a60SAndi Kleen struct perf_evsel *counter; 125744d49a60SAndi Kleen 125844d49a60SAndi Kleen for (s = 0; s < aggr_map->nr; s++) { 125944d49a60SAndi Kleen id = aggr_map->map[s]; 1260e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 126144d49a60SAndi Kleen val = 0; 126244d49a60SAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 126344d49a60SAndi Kleen s2 = aggr_get_id(evsel_list->cpus, cpu); 126444d49a60SAndi Kleen if (s2 != id) 126544d49a60SAndi Kleen continue; 126644d49a60SAndi Kleen val += perf_counts(counter->counts, cpu, 0)->val; 126744d49a60SAndi Kleen } 126844d49a60SAndi Kleen val = val * counter->scale; 126944d49a60SAndi Kleen perf_stat__update_shadow_stats(counter, &val, 127044d49a60SAndi Kleen first_shadow_cpu(counter, id)); 127144d49a60SAndi Kleen } 127244d49a60SAndi Kleen } 127344d49a60SAndi Kleen } 127444d49a60SAndi Kleen 1275430daf2dSAndi Kleen static void collect_all_aliases(struct perf_evsel *counter, 1276fbe51fbaSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1277fbe51fbaSAndi Kleen bool first), 1278fbe51fbaSAndi Kleen void *data) 1279fbe51fbaSAndi Kleen { 1280430daf2dSAndi Kleen struct perf_evsel *alias; 1281430daf2dSAndi Kleen 1282430daf2dSAndi Kleen alias = list_prepare_entry(counter, &(evsel_list->entries), node); 1283430daf2dSAndi Kleen list_for_each_entry_continue (alias, &evsel_list->entries, node) { 1284430daf2dSAndi Kleen if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) || 1285430daf2dSAndi Kleen alias->scale != counter->scale || 1286430daf2dSAndi Kleen alias->cgrp != counter->cgrp || 1287430daf2dSAndi Kleen strcmp(alias->unit, counter->unit) || 1288430daf2dSAndi Kleen nsec_counter(alias) != nsec_counter(counter)) 1289430daf2dSAndi Kleen break; 1290430daf2dSAndi Kleen alias->merged_stat = true; 1291430daf2dSAndi Kleen cb(alias, data, false); 1292430daf2dSAndi Kleen } 1293430daf2dSAndi Kleen } 1294430daf2dSAndi Kleen 1295430daf2dSAndi Kleen static bool collect_data(struct perf_evsel *counter, 1296430daf2dSAndi Kleen void (*cb)(struct perf_evsel *counter, void *data, 1297430daf2dSAndi Kleen bool first), 1298430daf2dSAndi Kleen void *data) 1299430daf2dSAndi Kleen { 1300430daf2dSAndi Kleen if (counter->merged_stat) 1301430daf2dSAndi Kleen return false; 1302fbe51fbaSAndi Kleen cb(counter, data, true); 130363ce8449SArnaldo Carvalho de Melo if (!no_merge && counter->auto_merge_stats) 1304430daf2dSAndi Kleen collect_all_aliases(counter, cb, data); 1305430daf2dSAndi Kleen return true; 1306fbe51fbaSAndi Kleen } 1307fbe51fbaSAndi Kleen 1308fbe51fbaSAndi Kleen struct aggr_data { 1309fbe51fbaSAndi Kleen u64 ena, run, val; 1310fbe51fbaSAndi Kleen int id; 1311fbe51fbaSAndi Kleen int nr; 1312fbe51fbaSAndi Kleen int cpu; 1313fbe51fbaSAndi Kleen }; 1314fbe51fbaSAndi Kleen 1315fbe51fbaSAndi Kleen static void aggr_cb(struct perf_evsel *counter, void *data, bool first) 1316fbe51fbaSAndi Kleen { 1317fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1318fbe51fbaSAndi Kleen int cpu, s2; 1319fbe51fbaSAndi Kleen 1320fbe51fbaSAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1321fbe51fbaSAndi Kleen struct perf_counts_values *counts; 1322fbe51fbaSAndi Kleen 1323fbe51fbaSAndi Kleen s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); 1324fbe51fbaSAndi Kleen if (s2 != ad->id) 1325fbe51fbaSAndi Kleen continue; 1326fbe51fbaSAndi Kleen if (first) 1327fbe51fbaSAndi Kleen ad->nr++; 1328fbe51fbaSAndi Kleen counts = perf_counts(counter->counts, cpu, 0); 1329b4229e9dSAndi Kleen /* 1330b4229e9dSAndi Kleen * When any result is bad, make them all to give 1331b4229e9dSAndi Kleen * consistent output in interval mode. 1332b4229e9dSAndi Kleen */ 1333b4229e9dSAndi Kleen if (counts->ena == 0 || counts->run == 0 || 1334b4229e9dSAndi Kleen counter->counts->scaled == -1) { 1335b4229e9dSAndi Kleen ad->ena = 0; 1336b4229e9dSAndi Kleen ad->run = 0; 1337b4229e9dSAndi Kleen break; 1338b4229e9dSAndi Kleen } 1339fbe51fbaSAndi Kleen ad->val += counts->val; 1340fbe51fbaSAndi Kleen ad->ena += counts->ena; 1341fbe51fbaSAndi Kleen ad->run += counts->run; 1342fbe51fbaSAndi Kleen } 1343fbe51fbaSAndi Kleen } 1344fbe51fbaSAndi Kleen 134586ee6e18SStephane Eranian static void print_aggr(char *prefix) 1346d7e7a451SStephane Eranian { 13475821522eSJiri Olsa FILE *output = stat_config.output; 1348d7e7a451SStephane Eranian struct perf_evsel *counter; 1349fbe51fbaSAndi Kleen int s, id, nr; 1350410136f5SStephane Eranian double uval; 1351d7e7a451SStephane Eranian u64 ena, run, val; 135254b50916SAndi Kleen bool first; 1353d7e7a451SStephane Eranian 135486ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 1355d7e7a451SStephane Eranian return; 1356d7e7a451SStephane Eranian 135744d49a60SAndi Kleen aggr_update_shadow(); 135844d49a60SAndi Kleen 135954b50916SAndi Kleen /* 136054b50916SAndi Kleen * With metric_only everything is on a single line. 136154b50916SAndi Kleen * Without each counter has its own line. 136254b50916SAndi Kleen */ 136386ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 1364fbe51fbaSAndi Kleen struct aggr_data ad; 136554b50916SAndi Kleen if (prefix && metric_only) 136654b50916SAndi Kleen fprintf(output, "%s", prefix); 136754b50916SAndi Kleen 1368fbe51fbaSAndi Kleen ad.id = id = aggr_map->map[s]; 136954b50916SAndi Kleen first = true; 1370e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1371e864c5caSAndi Kleen if (is_duration_time(counter)) 1372e864c5caSAndi Kleen continue; 1373e864c5caSAndi Kleen 1374fbe51fbaSAndi Kleen ad.val = ad.ena = ad.run = 0; 1375fbe51fbaSAndi Kleen ad.nr = 0; 1376430daf2dSAndi Kleen if (!collect_data(counter, aggr_cb, &ad)) 1377430daf2dSAndi Kleen continue; 1378fbe51fbaSAndi Kleen nr = ad.nr; 1379fbe51fbaSAndi Kleen ena = ad.ena; 1380fbe51fbaSAndi Kleen run = ad.run; 1381fbe51fbaSAndi Kleen val = ad.val; 138254b50916SAndi Kleen if (first && metric_only) { 138354b50916SAndi Kleen first = false; 138454b50916SAndi Kleen aggr_printout(counter, id, nr); 138554b50916SAndi Kleen } 138654b50916SAndi Kleen if (prefix && !metric_only) 1387d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 1388d7e7a451SStephane Eranian 1389410136f5SStephane Eranian uval = val * counter->scale; 1390cb110f47SAndi Kleen printout(id, nr, counter, uval, prefix, run, ena, 1.0); 139154b50916SAndi Kleen if (!metric_only) 1392d7e7a451SStephane Eranian fputc('\n', output); 1393d7e7a451SStephane Eranian } 139454b50916SAndi Kleen if (metric_only) 139554b50916SAndi Kleen fputc('\n', output); 1396d7e7a451SStephane Eranian } 1397d7e7a451SStephane Eranian } 1398d7e7a451SStephane Eranian 139932b8af82SJiri Olsa static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 140032b8af82SJiri Olsa { 14015821522eSJiri Olsa FILE *output = stat_config.output; 140232b8af82SJiri Olsa int nthreads = thread_map__nr(counter->threads); 140332b8af82SJiri Olsa int ncpus = cpu_map__nr(counter->cpus); 140432b8af82SJiri Olsa int cpu, thread; 140532b8af82SJiri Olsa double uval; 140632b8af82SJiri Olsa 140732b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 140832b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 140932b8af82SJiri Olsa 141032b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 141132b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 141232b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 141332b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 141432b8af82SJiri Olsa } 141532b8af82SJiri Olsa 141632b8af82SJiri Olsa if (prefix) 141732b8af82SJiri Olsa fprintf(output, "%s", prefix); 141832b8af82SJiri Olsa 141932b8af82SJiri Olsa uval = val * counter->scale; 1420cb110f47SAndi Kleen printout(thread, 0, counter, uval, prefix, run, ena, 1.0); 142132b8af82SJiri Olsa fputc('\n', output); 142232b8af82SJiri Olsa } 142332b8af82SJiri Olsa } 142432b8af82SJiri Olsa 1425fbe51fbaSAndi Kleen struct caggr_data { 1426fbe51fbaSAndi Kleen double avg, avg_enabled, avg_running; 1427fbe51fbaSAndi Kleen }; 1428fbe51fbaSAndi Kleen 1429fbe51fbaSAndi Kleen static void counter_aggr_cb(struct perf_evsel *counter, void *data, 1430fbe51fbaSAndi Kleen bool first __maybe_unused) 1431fbe51fbaSAndi Kleen { 1432fbe51fbaSAndi Kleen struct caggr_data *cd = data; 1433fbe51fbaSAndi Kleen struct perf_stat_evsel *ps = counter->priv; 1434fbe51fbaSAndi Kleen 1435fbe51fbaSAndi Kleen cd->avg += avg_stats(&ps->res_stats[0]); 1436fbe51fbaSAndi Kleen cd->avg_enabled += avg_stats(&ps->res_stats[1]); 1437fbe51fbaSAndi Kleen cd->avg_running += avg_stats(&ps->res_stats[2]); 1438fbe51fbaSAndi Kleen } 1439fbe51fbaSAndi Kleen 144042202dd5SIngo Molnar /* 144142202dd5SIngo Molnar * Print out the results of a single counter: 1442f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 144342202dd5SIngo Molnar */ 144413370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 144542202dd5SIngo Molnar { 14465821522eSJiri Olsa FILE *output = stat_config.output; 1447410136f5SStephane Eranian double uval; 1448fbe51fbaSAndi Kleen struct caggr_data cd = { .avg = 0.0 }; 1449d73515c0SAndi Kleen 1450430daf2dSAndi Kleen if (!collect_data(counter, counter_aggr_cb, &cd)) 1451430daf2dSAndi Kleen return; 145242202dd5SIngo Molnar 145354b50916SAndi Kleen if (prefix && !metric_only) 145413370a9bSStephane Eranian fprintf(output, "%s", prefix); 145513370a9bSStephane Eranian 1456fbe51fbaSAndi Kleen uval = cd.avg * counter->scale; 1457fbe51fbaSAndi Kleen printout(-1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled, cd.avg); 145854b50916SAndi Kleen if (!metric_only) 14594aa9015fSStephane Eranian fprintf(output, "\n"); 146042202dd5SIngo Molnar } 146142202dd5SIngo Molnar 1462fbe51fbaSAndi Kleen static void counter_cb(struct perf_evsel *counter, void *data, 1463fbe51fbaSAndi Kleen bool first __maybe_unused) 1464fbe51fbaSAndi Kleen { 1465fbe51fbaSAndi Kleen struct aggr_data *ad = data; 1466fbe51fbaSAndi Kleen 1467fbe51fbaSAndi Kleen ad->val += perf_counts(counter->counts, ad->cpu, 0)->val; 1468fbe51fbaSAndi Kleen ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena; 1469fbe51fbaSAndi Kleen ad->run += perf_counts(counter->counts, ad->cpu, 0)->run; 1470fbe51fbaSAndi Kleen } 1471fbe51fbaSAndi Kleen 1472f5b4a9c3SStephane Eranian /* 1473f5b4a9c3SStephane Eranian * Print out the results of a single counter: 1474f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 1475f5b4a9c3SStephane Eranian */ 147613370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 1477f5b4a9c3SStephane Eranian { 14785821522eSJiri Olsa FILE *output = stat_config.output; 1479f5b4a9c3SStephane Eranian u64 ena, run, val; 1480410136f5SStephane Eranian double uval; 1481f5b4a9c3SStephane Eranian int cpu; 1482f5b4a9c3SStephane Eranian 14837ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1484fbe51fbaSAndi Kleen struct aggr_data ad = { .cpu = cpu }; 1485fbe51fbaSAndi Kleen 1486430daf2dSAndi Kleen if (!collect_data(counter, counter_cb, &ad)) 1487430daf2dSAndi Kleen return; 1488fbe51fbaSAndi Kleen val = ad.val; 1489fbe51fbaSAndi Kleen ena = ad.ena; 1490fbe51fbaSAndi Kleen run = ad.run; 149113370a9bSStephane Eranian 149213370a9bSStephane Eranian if (prefix) 149313370a9bSStephane Eranian fprintf(output, "%s", prefix); 149413370a9bSStephane Eranian 1495410136f5SStephane Eranian uval = val * counter->scale; 1496cb110f47SAndi Kleen printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); 1497f5b4a9c3SStephane Eranian 14984aa9015fSStephane Eranian fputc('\n', output); 1499f5b4a9c3SStephane Eranian } 1500f5b4a9c3SStephane Eranian } 1501f5b4a9c3SStephane Eranian 1502206cab65SAndi Kleen static void print_no_aggr_metric(char *prefix) 1503206cab65SAndi Kleen { 1504206cab65SAndi Kleen int cpu; 1505206cab65SAndi Kleen int nrcpus = 0; 1506206cab65SAndi Kleen struct perf_evsel *counter; 1507206cab65SAndi Kleen u64 ena, run, val; 1508206cab65SAndi Kleen double uval; 1509206cab65SAndi Kleen 1510206cab65SAndi Kleen nrcpus = evsel_list->cpus->nr; 1511206cab65SAndi Kleen for (cpu = 0; cpu < nrcpus; cpu++) { 1512206cab65SAndi Kleen bool first = true; 1513206cab65SAndi Kleen 1514206cab65SAndi Kleen if (prefix) 1515206cab65SAndi Kleen fputs(prefix, stat_config.output); 1516e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1517e864c5caSAndi Kleen if (is_duration_time(counter)) 1518e864c5caSAndi Kleen continue; 1519206cab65SAndi Kleen if (first) { 1520206cab65SAndi Kleen aggr_printout(counter, cpu, 0); 1521206cab65SAndi Kleen first = false; 1522206cab65SAndi Kleen } 1523206cab65SAndi Kleen val = perf_counts(counter->counts, cpu, 0)->val; 1524206cab65SAndi Kleen ena = perf_counts(counter->counts, cpu, 0)->ena; 1525206cab65SAndi Kleen run = perf_counts(counter->counts, cpu, 0)->run; 1526206cab65SAndi Kleen 1527206cab65SAndi Kleen uval = val * counter->scale; 1528206cab65SAndi Kleen printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); 1529206cab65SAndi Kleen } 1530206cab65SAndi Kleen fputc('\n', stat_config.output); 1531206cab65SAndi Kleen } 1532206cab65SAndi Kleen } 1533206cab65SAndi Kleen 153454b50916SAndi Kleen static int aggr_header_lens[] = { 153554b50916SAndi Kleen [AGGR_CORE] = 18, 153654b50916SAndi Kleen [AGGR_SOCKET] = 12, 1537206cab65SAndi Kleen [AGGR_NONE] = 6, 153854b50916SAndi Kleen [AGGR_THREAD] = 24, 153954b50916SAndi Kleen [AGGR_GLOBAL] = 0, 154054b50916SAndi Kleen }; 154154b50916SAndi Kleen 1542c51fd639SAndi Kleen static const char *aggr_header_csv[] = { 1543c51fd639SAndi Kleen [AGGR_CORE] = "core,cpus,", 1544c51fd639SAndi Kleen [AGGR_SOCKET] = "socket,cpus", 1545c51fd639SAndi Kleen [AGGR_NONE] = "cpu,", 1546c51fd639SAndi Kleen [AGGR_THREAD] = "comm-pid,", 1547c51fd639SAndi Kleen [AGGR_GLOBAL] = "" 1548c51fd639SAndi Kleen }; 1549c51fd639SAndi Kleen 155041c8ca2aSAndi Kleen static void print_metric_headers(const char *prefix, bool no_indent) 155154b50916SAndi Kleen { 155254b50916SAndi Kleen struct perf_stat_output_ctx out; 155354b50916SAndi Kleen struct perf_evsel *counter; 155454b50916SAndi Kleen struct outstate os = { 155554b50916SAndi Kleen .fh = stat_config.output 155654b50916SAndi Kleen }; 155754b50916SAndi Kleen 155854b50916SAndi Kleen if (prefix) 155954b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 156054b50916SAndi Kleen 156141c8ca2aSAndi Kleen if (!csv_output && !no_indent) 156254b50916SAndi Kleen fprintf(stat_config.output, "%*s", 156354b50916SAndi Kleen aggr_header_lens[stat_config.aggr_mode], ""); 1564c51fd639SAndi Kleen if (csv_output) { 1565c51fd639SAndi Kleen if (stat_config.interval) 1566c51fd639SAndi Kleen fputs("time,", stat_config.output); 1567c51fd639SAndi Kleen fputs(aggr_header_csv[stat_config.aggr_mode], 1568c51fd639SAndi Kleen stat_config.output); 1569c51fd639SAndi Kleen } 157054b50916SAndi Kleen 157154b50916SAndi Kleen /* Print metrics headers only */ 1572e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1573e864c5caSAndi Kleen if (is_duration_time(counter)) 1574e864c5caSAndi Kleen continue; 157554b50916SAndi Kleen os.evsel = counter; 157654b50916SAndi Kleen out.ctx = &os; 157754b50916SAndi Kleen out.print_metric = print_metric_header; 157854b50916SAndi Kleen out.new_line = new_line_metric; 157937932c18SAndi Kleen out.force_header = true; 158054b50916SAndi Kleen os.evsel = counter; 158154b50916SAndi Kleen perf_stat__print_shadow_stats(counter, 0, 158254b50916SAndi Kleen 0, 1583b18f3e36SAndi Kleen &out, 1584b18f3e36SAndi Kleen &metric_events); 158554b50916SAndi Kleen } 158654b50916SAndi Kleen fputc('\n', stat_config.output); 158754b50916SAndi Kleen } 158854b50916SAndi Kleen 1589d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 159042202dd5SIngo Molnar { 15915821522eSJiri Olsa FILE *output = stat_config.output; 1592d4f63a47SJiri Olsa static int num_print_interval; 1593d4f63a47SJiri Olsa 1594d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 1595d4f63a47SJiri Olsa 159641c8ca2aSAndi Kleen if (num_print_interval == 0 && !csv_output) { 1597421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1598d4f63a47SJiri Olsa case AGGR_SOCKET: 159941c8ca2aSAndi Kleen fprintf(output, "# time socket cpus"); 160041c8ca2aSAndi Kleen if (!metric_only) 160141c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1602d4f63a47SJiri Olsa break; 1603d4f63a47SJiri Olsa case AGGR_CORE: 160441c8ca2aSAndi Kleen fprintf(output, "# time core cpus"); 160541c8ca2aSAndi Kleen if (!metric_only) 160641c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1607d4f63a47SJiri Olsa break; 1608d4f63a47SJiri Olsa case AGGR_NONE: 160941c8ca2aSAndi Kleen fprintf(output, "# time CPU"); 161041c8ca2aSAndi Kleen if (!metric_only) 161141c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1612d4f63a47SJiri Olsa break; 161332b8af82SJiri Olsa case AGGR_THREAD: 161441c8ca2aSAndi Kleen fprintf(output, "# time comm-pid"); 161541c8ca2aSAndi Kleen if (!metric_only) 161641c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 161732b8af82SJiri Olsa break; 1618d4f63a47SJiri Olsa case AGGR_GLOBAL: 1619d4f63a47SJiri Olsa default: 162041c8ca2aSAndi Kleen fprintf(output, "# time"); 162141c8ca2aSAndi Kleen if (!metric_only) 162241c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1623208df99eSJiri Olsa case AGGR_UNSET: 1624208df99eSJiri Olsa break; 1625d4f63a47SJiri Olsa } 1626d4f63a47SJiri Olsa } 1627d4f63a47SJiri Olsa 162841c8ca2aSAndi Kleen if (num_print_interval == 0 && metric_only) 162941c8ca2aSAndi Kleen print_metric_headers(" ", true); 1630d4f63a47SJiri Olsa if (++num_print_interval == 25) 1631d4f63a47SJiri Olsa num_print_interval = 0; 1632d4f63a47SJiri Olsa } 1633d4f63a47SJiri Olsa 1634d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 1635d4f63a47SJiri Olsa { 16365821522eSJiri Olsa FILE *output = stat_config.output; 163769aad6f1SArnaldo Carvalho de Melo int i; 163842202dd5SIngo Molnar 163986470930SIngo Molnar fflush(stdout); 164086470930SIngo Molnar 1641d7470b6aSStephane Eranian if (!csv_output) { 16424aa9015fSStephane Eranian fprintf(output, "\n"); 16434aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 164462d3b617SDavid Ahern if (target.system_wide) 164562d3b617SDavid Ahern fprintf(output, "\'system wide"); 164662d3b617SDavid Ahern else if (target.cpu_list) 164762d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 1648602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 1649ba6039b6SJiri Olsa fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1650ba6039b6SJiri Olsa for (i = 1; argv && (i < argc); i++) 16514aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 165220f946b4SNamhyung Kim } else if (target.pid) 165320f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 1654d6d901c2SZhang, Yanmin else 165520f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 165686470930SIngo Molnar 16574aa9015fSStephane Eranian fprintf(output, "\'"); 165842202dd5SIngo Molnar if (run_count > 1) 16594aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 16604aa9015fSStephane Eranian fprintf(output, ":\n\n"); 1661d7470b6aSStephane Eranian } 1662f5b4a9c3SStephane Eranian } 166386470930SIngo Molnar 1664d4f63a47SJiri Olsa static void print_footer(void) 1665d4f63a47SJiri Olsa { 16665821522eSJiri Olsa FILE *output = stat_config.output; 1667918c7b06SAndi Kleen int n; 16685821522eSJiri Olsa 1669c3305257SIngo Molnar if (!null_run) 16704aa9015fSStephane Eranian fprintf(output, "\n"); 16714aa9015fSStephane Eranian fprintf(output, " %17.9f seconds time elapsed", 1672310ebb93SArnaldo Carvalho de Melo avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC); 1673566747e6SIngo Molnar if (run_count > 1) { 16744aa9015fSStephane Eranian fprintf(output, " "); 1675f99844cbSIngo Molnar print_noise_pct(stddev_stats(&walltime_nsecs_stats), 1676506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)); 1677566747e6SIngo Molnar } 16784aa9015fSStephane Eranian fprintf(output, "\n\n"); 167902d492e5SBorislav Petkov 1680918c7b06SAndi Kleen if (print_free_counters_hint && 1681918c7b06SAndi Kleen sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 && 1682918c7b06SAndi Kleen n > 0) 168302d492e5SBorislav Petkov fprintf(output, 168402d492e5SBorislav Petkov "Some events weren't counted. Try disabling the NMI watchdog:\n" 168502d492e5SBorislav Petkov " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 168602d492e5SBorislav Petkov " perf stat ...\n" 168702d492e5SBorislav Petkov " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 168886470930SIngo Molnar } 1689d4f63a47SJiri Olsa 1690d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1691d4f63a47SJiri Olsa { 1692ec0d3d1fSJiri Olsa int interval = stat_config.interval; 1693d4f63a47SJiri Olsa struct perf_evsel *counter; 1694d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 1695d4f63a47SJiri Olsa 1696664c98d4SJiri Olsa /* Do not print anything if we record to the pipe. */ 1697664c98d4SJiri Olsa if (STAT_RECORD && perf_stat.file.is_pipe) 1698664c98d4SJiri Olsa return; 1699664c98d4SJiri Olsa 1700d4f63a47SJiri Olsa if (interval) 1701d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 1702d4f63a47SJiri Olsa else 1703d4f63a47SJiri Olsa print_header(argc, argv); 1704d4f63a47SJiri Olsa 170554b50916SAndi Kleen if (metric_only) { 170654b50916SAndi Kleen static int num_print_iv; 170754b50916SAndi Kleen 170841c8ca2aSAndi Kleen if (num_print_iv == 0 && !interval) 170941c8ca2aSAndi Kleen print_metric_headers(prefix, false); 171054b50916SAndi Kleen if (num_print_iv++ == 25) 171154b50916SAndi Kleen num_print_iv = 0; 171254b50916SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) 171354b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 171454b50916SAndi Kleen } 171554b50916SAndi Kleen 1716421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1717d4f63a47SJiri Olsa case AGGR_CORE: 1718d4f63a47SJiri Olsa case AGGR_SOCKET: 1719d4f63a47SJiri Olsa print_aggr(prefix); 1720d4f63a47SJiri Olsa break; 172132b8af82SJiri Olsa case AGGR_THREAD: 1722e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1723e864c5caSAndi Kleen if (is_duration_time(counter)) 1724e864c5caSAndi Kleen continue; 172532b8af82SJiri Olsa print_aggr_thread(counter, prefix); 1726e864c5caSAndi Kleen } 172732b8af82SJiri Olsa break; 1728d4f63a47SJiri Olsa case AGGR_GLOBAL: 1729e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1730e864c5caSAndi Kleen if (is_duration_time(counter)) 1731e864c5caSAndi Kleen continue; 1732d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 1733e864c5caSAndi Kleen } 173454b50916SAndi Kleen if (metric_only) 173554b50916SAndi Kleen fputc('\n', stat_config.output); 1736d4f63a47SJiri Olsa break; 1737d4f63a47SJiri Olsa case AGGR_NONE: 1738206cab65SAndi Kleen if (metric_only) 1739206cab65SAndi Kleen print_no_aggr_metric(prefix); 1740206cab65SAndi Kleen else { 1741e864c5caSAndi Kleen evlist__for_each_entry(evsel_list, counter) { 1742e864c5caSAndi Kleen if (is_duration_time(counter)) 1743e864c5caSAndi Kleen continue; 1744d4f63a47SJiri Olsa print_counter(counter, prefix); 1745206cab65SAndi Kleen } 1746e864c5caSAndi Kleen } 1747d4f63a47SJiri Olsa break; 1748208df99eSJiri Olsa case AGGR_UNSET: 1749d4f63a47SJiri Olsa default: 1750d4f63a47SJiri Olsa break; 1751d4f63a47SJiri Olsa } 1752d4f63a47SJiri Olsa 1753d4f63a47SJiri Olsa if (!interval && !csv_output) 1754d4f63a47SJiri Olsa print_footer(); 1755d4f63a47SJiri Olsa 17565821522eSJiri Olsa fflush(stat_config.output); 1757d7470b6aSStephane Eranian } 175886470930SIngo Molnar 1759f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1760f7b7c26eSPeter Zijlstra 176186470930SIngo Molnar static void skip_signal(int signo) 176286470930SIngo Molnar { 1763ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 176460666c63SLiming Wang done = 1; 176560666c63SLiming Wang 1766f7b7c26eSPeter Zijlstra signr = signo; 1767d07f0b12SStephane Eranian /* 1768d07f0b12SStephane Eranian * render child_pid harmless 1769d07f0b12SStephane Eranian * won't send SIGTERM to a random 1770d07f0b12SStephane Eranian * process in case of race condition 1771d07f0b12SStephane Eranian * and fast PID recycling 1772d07f0b12SStephane Eranian */ 1773d07f0b12SStephane Eranian child_pid = -1; 1774f7b7c26eSPeter Zijlstra } 1775f7b7c26eSPeter Zijlstra 1776f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1777f7b7c26eSPeter Zijlstra { 1778d07f0b12SStephane Eranian sigset_t set, oset; 1779d07f0b12SStephane Eranian 1780d07f0b12SStephane Eranian /* 1781d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1782d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1783d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1784d07f0b12SStephane Eranian * process 1785d07f0b12SStephane Eranian */ 1786d07f0b12SStephane Eranian sigemptyset(&set); 1787d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1788d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1789d07f0b12SStephane Eranian 1790933da83aSChris Wilson if (child_pid != -1) 1791933da83aSChris Wilson kill(child_pid, SIGTERM); 1792933da83aSChris Wilson 1793d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1794d07f0b12SStephane Eranian 1795f7b7c26eSPeter Zijlstra if (signr == -1) 1796f7b7c26eSPeter Zijlstra return; 1797f7b7c26eSPeter Zijlstra 1798f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1799f7b7c26eSPeter Zijlstra kill(getpid(), signr); 180086470930SIngo Molnar } 180186470930SIngo Molnar 18021d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 18031d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1804d7470b6aSStephane Eranian { 1805d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1806d7470b6aSStephane Eranian return 0; 1807d7470b6aSStephane Eranian } 1808d7470b6aSStephane Eranian 180944b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 181044b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 181144b1e60aSAndi Kleen { 181244b1e60aSAndi Kleen force_metric_only = true; 181344b1e60aSAndi Kleen metric_only = !unset; 181444b1e60aSAndi Kleen return 0; 181544b1e60aSAndi Kleen } 181644b1e60aSAndi Kleen 1817b18f3e36SAndi Kleen static int parse_metric_groups(const struct option *opt, 1818b18f3e36SAndi Kleen const char *str, 1819b18f3e36SAndi Kleen int unset __maybe_unused) 1820b18f3e36SAndi Kleen { 1821b18f3e36SAndi Kleen return metricgroup__parse_groups(opt, str, &metric_events); 1822b18f3e36SAndi Kleen } 1823b18f3e36SAndi Kleen 1824e0547311SJiri Olsa static const struct option stat_options[] = { 1825e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 1826e0547311SJiri Olsa "hardware transaction statistics"), 1827e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 1828e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 1829e0547311SJiri Olsa parse_events_option), 1830e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 1831e0547311SJiri Olsa "event filter", parse_filter), 1832e0547311SJiri Olsa OPT_BOOLEAN('i', "no-inherit", &no_inherit, 1833e0547311SJiri Olsa "child tasks do not inherit counters"), 1834e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 1835e0547311SJiri Olsa "stat events on existing process id"), 1836e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 1837e0547311SJiri Olsa "stat events on existing thread id"), 1838e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 1839e0547311SJiri Olsa "system-wide collection from all CPUs"), 1840e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 1841e0547311SJiri Olsa "put the counters into a counter group"), 1842e0547311SJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 1843e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 1844e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 1845e0547311SJiri Olsa OPT_INTEGER('r', "repeat", &run_count, 1846e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 1847e0547311SJiri Olsa OPT_BOOLEAN('n', "null", &null_run, 1848e0547311SJiri Olsa "null run - dont start any counters"), 1849e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 1850e0547311SJiri Olsa "detailed run - start a lot of events"), 1851e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 1852e0547311SJiri Olsa "call sync() before starting a run"), 1853e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 1854e0547311SJiri Olsa "print large numbers with thousands\' separators", 1855e0547311SJiri Olsa stat__set_big_num), 1856e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 1857e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 1858e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 1859e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1860430daf2dSAndi Kleen OPT_BOOLEAN(0, "no-merge", &no_merge, "Do not merge identical named events"), 1861e0547311SJiri Olsa OPT_STRING('x', "field-separator", &csv_sep, "separator", 1862e0547311SJiri Olsa "print counts with custom separator"), 1863e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 1864e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 1865e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 1866e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 1867e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 1868e0547311SJiri Olsa "log output to fd, instead of stderr"), 1869e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 1870e0547311SJiri Olsa "command to run prior to the measured command"), 1871e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 1872e0547311SJiri Olsa "command to run after to the measured command"), 1873e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 1874e0547311SJiri Olsa "print counts at regular interval in ms (>= 10)"), 1875e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 1876e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1877e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 1878e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 1879e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 1880e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 1881e0547311SJiri Olsa OPT_UINTEGER('D', "delay", &initial_delay, 1882e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 188344b1e60aSAndi Kleen OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL, 188444b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 188544b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 188644b1e60aSAndi Kleen "measure topdown level 1 statistics"), 1887daefd0bcSKan Liang OPT_BOOLEAN(0, "smi-cost", &smi_cost, 1888daefd0bcSKan Liang "measure SMI cost"), 1889b18f3e36SAndi Kleen OPT_CALLBACK('M', "metrics", &evsel_list, "metric/metric group list", 1890b18f3e36SAndi Kleen "monitor specified metrics or metric groups (separated by ,)", 1891b18f3e36SAndi Kleen parse_metric_groups), 1892e0547311SJiri Olsa OPT_END() 1893e0547311SJiri Olsa }; 1894e0547311SJiri Olsa 18951fe7a300SJiri Olsa static int perf_stat__get_socket(struct cpu_map *map, int cpu) 18961fe7a300SJiri Olsa { 18971fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 18981fe7a300SJiri Olsa } 18991fe7a300SJiri Olsa 19001fe7a300SJiri Olsa static int perf_stat__get_core(struct cpu_map *map, int cpu) 19011fe7a300SJiri Olsa { 19021fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 19031fe7a300SJiri Olsa } 19041fe7a300SJiri Olsa 19051e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 19061e5a2931SJiri Olsa { 19071e5a2931SJiri Olsa int i, max = -1; 19081e5a2931SJiri Olsa 19091e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 19101e5a2931SJiri Olsa if (map->map[i] > max) 19111e5a2931SJiri Olsa max = map->map[i]; 19121e5a2931SJiri Olsa } 19131e5a2931SJiri Olsa 19141e5a2931SJiri Olsa return max; 19151e5a2931SJiri Olsa } 19161e5a2931SJiri Olsa 19171e5a2931SJiri Olsa static struct cpu_map *cpus_aggr_map; 19181e5a2931SJiri Olsa 19191e5a2931SJiri Olsa static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) 19201e5a2931SJiri Olsa { 19211e5a2931SJiri Olsa int cpu; 19221e5a2931SJiri Olsa 19231e5a2931SJiri Olsa if (idx >= map->nr) 19241e5a2931SJiri Olsa return -1; 19251e5a2931SJiri Olsa 19261e5a2931SJiri Olsa cpu = map->map[idx]; 19271e5a2931SJiri Olsa 19281e5a2931SJiri Olsa if (cpus_aggr_map->map[cpu] == -1) 19291e5a2931SJiri Olsa cpus_aggr_map->map[cpu] = get_id(map, idx); 19301e5a2931SJiri Olsa 19311e5a2931SJiri Olsa return cpus_aggr_map->map[cpu]; 19321e5a2931SJiri Olsa } 19331e5a2931SJiri Olsa 19341e5a2931SJiri Olsa static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) 19351e5a2931SJiri Olsa { 19361e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_socket, map, idx); 19371e5a2931SJiri Olsa } 19381e5a2931SJiri Olsa 19391e5a2931SJiri Olsa static int perf_stat__get_core_cached(struct cpu_map *map, int idx) 19401e5a2931SJiri Olsa { 19411e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_core, map, idx); 19421e5a2931SJiri Olsa } 19431e5a2931SJiri Olsa 194486ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 194586ee6e18SStephane Eranian { 19461e5a2931SJiri Olsa int nr; 19471e5a2931SJiri Olsa 1948421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 194986ee6e18SStephane Eranian case AGGR_SOCKET: 195086ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 195186ee6e18SStephane Eranian perror("cannot build socket map"); 195286ee6e18SStephane Eranian return -1; 195386ee6e18SStephane Eranian } 19541e5a2931SJiri Olsa aggr_get_id = perf_stat__get_socket_cached; 195586ee6e18SStephane Eranian break; 195612c08a9fSStephane Eranian case AGGR_CORE: 195712c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 195812c08a9fSStephane Eranian perror("cannot build core map"); 195912c08a9fSStephane Eranian return -1; 196012c08a9fSStephane Eranian } 19611e5a2931SJiri Olsa aggr_get_id = perf_stat__get_core_cached; 196212c08a9fSStephane Eranian break; 196386ee6e18SStephane Eranian case AGGR_NONE: 196486ee6e18SStephane Eranian case AGGR_GLOBAL: 196532b8af82SJiri Olsa case AGGR_THREAD: 1966208df99eSJiri Olsa case AGGR_UNSET: 196786ee6e18SStephane Eranian default: 196886ee6e18SStephane Eranian break; 196986ee6e18SStephane Eranian } 19701e5a2931SJiri Olsa 19711e5a2931SJiri Olsa /* 19721e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 19731e5a2931SJiri Olsa * taking the highest cpu number to be the size of 19741e5a2931SJiri Olsa * the aggregation translate cpumap. 19751e5a2931SJiri Olsa */ 19761e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 19771e5a2931SJiri Olsa cpus_aggr_map = cpu_map__empty_new(nr + 1); 19781e5a2931SJiri Olsa return cpus_aggr_map ? 0 : -ENOMEM; 197986ee6e18SStephane Eranian } 198086ee6e18SStephane Eranian 1981544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1982544c2ae7SMasami Hiramatsu { 1983544c2ae7SMasami Hiramatsu cpu_map__put(aggr_map); 1984544c2ae7SMasami Hiramatsu cpu_map__put(cpus_aggr_map); 1985544c2ae7SMasami Hiramatsu aggr_map = NULL; 1986544c2ae7SMasami Hiramatsu cpus_aggr_map = NULL; 1987544c2ae7SMasami Hiramatsu } 1988544c2ae7SMasami Hiramatsu 198968d702f7SJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) 199068d702f7SJiri Olsa { 199168d702f7SJiri Olsa int cpu; 199268d702f7SJiri Olsa 199368d702f7SJiri Olsa if (idx > map->nr) 199468d702f7SJiri Olsa return -1; 199568d702f7SJiri Olsa 199668d702f7SJiri Olsa cpu = map->map[idx]; 199768d702f7SJiri Olsa 1998da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 199968d702f7SJiri Olsa return -1; 200068d702f7SJiri Olsa 200168d702f7SJiri Olsa return cpu; 200268d702f7SJiri Olsa } 200368d702f7SJiri Olsa 200468d702f7SJiri Olsa static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) 200568d702f7SJiri Olsa { 200668d702f7SJiri Olsa struct perf_env *env = data; 200768d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 200868d702f7SJiri Olsa 200968d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 201068d702f7SJiri Olsa } 201168d702f7SJiri Olsa 201268d702f7SJiri Olsa static int perf_env__get_core(struct cpu_map *map, int idx, void *data) 201368d702f7SJiri Olsa { 201468d702f7SJiri Olsa struct perf_env *env = data; 201568d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 201668d702f7SJiri Olsa 201768d702f7SJiri Olsa if (cpu != -1) { 201868d702f7SJiri Olsa int socket_id = env->cpu[cpu].socket_id; 201968d702f7SJiri Olsa 202068d702f7SJiri Olsa /* 202168d702f7SJiri Olsa * Encode socket in upper 16 bits 202268d702f7SJiri Olsa * core_id is relative to socket, and 202368d702f7SJiri Olsa * we need a global id. So we combine 202468d702f7SJiri Olsa * socket + core id. 202568d702f7SJiri Olsa */ 202668d702f7SJiri Olsa core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); 202768d702f7SJiri Olsa } 202868d702f7SJiri Olsa 202968d702f7SJiri Olsa return core; 203068d702f7SJiri Olsa } 203168d702f7SJiri Olsa 203268d702f7SJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, 203368d702f7SJiri Olsa struct cpu_map **sockp) 203468d702f7SJiri Olsa { 203568d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 203668d702f7SJiri Olsa } 203768d702f7SJiri Olsa 203868d702f7SJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, 203968d702f7SJiri Olsa struct cpu_map **corep) 204068d702f7SJiri Olsa { 204168d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 204268d702f7SJiri Olsa } 204368d702f7SJiri Olsa 204468d702f7SJiri Olsa static int perf_stat__get_socket_file(struct cpu_map *map, int idx) 204568d702f7SJiri Olsa { 204668d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 204768d702f7SJiri Olsa } 204868d702f7SJiri Olsa 204968d702f7SJiri Olsa static int perf_stat__get_core_file(struct cpu_map *map, int idx) 205068d702f7SJiri Olsa { 205168d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 205268d702f7SJiri Olsa } 205368d702f7SJiri Olsa 205468d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 205568d702f7SJiri Olsa { 205668d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 205768d702f7SJiri Olsa 205868d702f7SJiri Olsa switch (stat_config.aggr_mode) { 205968d702f7SJiri Olsa case AGGR_SOCKET: 206068d702f7SJiri Olsa if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { 206168d702f7SJiri Olsa perror("cannot build socket map"); 206268d702f7SJiri Olsa return -1; 206368d702f7SJiri Olsa } 206468d702f7SJiri Olsa aggr_get_id = perf_stat__get_socket_file; 206568d702f7SJiri Olsa break; 206668d702f7SJiri Olsa case AGGR_CORE: 206768d702f7SJiri Olsa if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { 206868d702f7SJiri Olsa perror("cannot build core map"); 206968d702f7SJiri Olsa return -1; 207068d702f7SJiri Olsa } 207168d702f7SJiri Olsa aggr_get_id = perf_stat__get_core_file; 207268d702f7SJiri Olsa break; 207368d702f7SJiri Olsa case AGGR_NONE: 207468d702f7SJiri Olsa case AGGR_GLOBAL: 207568d702f7SJiri Olsa case AGGR_THREAD: 207668d702f7SJiri Olsa case AGGR_UNSET: 207768d702f7SJiri Olsa default: 207868d702f7SJiri Olsa break; 207968d702f7SJiri Olsa } 208068d702f7SJiri Olsa 208168d702f7SJiri Olsa return 0; 208268d702f7SJiri Olsa } 208368d702f7SJiri Olsa 208444b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 208544b1e60aSAndi Kleen { 208644b1e60aSAndi Kleen int off = 0; 208744b1e60aSAndi Kleen int i; 208844b1e60aSAndi Kleen int len = 0; 208944b1e60aSAndi Kleen char *s; 209044b1e60aSAndi Kleen 209144b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 209244b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 209344b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 209444b1e60aSAndi Kleen attr[i - off] = attr[i]; 209544b1e60aSAndi Kleen } else 209644b1e60aSAndi Kleen off++; 209744b1e60aSAndi Kleen } 209844b1e60aSAndi Kleen attr[i - off] = NULL; 209944b1e60aSAndi Kleen 210044b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 210144b1e60aSAndi Kleen if (!*str) 210244b1e60aSAndi Kleen return -1; 210344b1e60aSAndi Kleen s = *str; 210444b1e60aSAndi Kleen if (i - off == 0) { 210544b1e60aSAndi Kleen *s = 0; 210644b1e60aSAndi Kleen return 0; 210744b1e60aSAndi Kleen } 210844b1e60aSAndi Kleen if (use_group) 210944b1e60aSAndi Kleen *s++ = '{'; 211044b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 211144b1e60aSAndi Kleen strcpy(s, attr[i]); 211244b1e60aSAndi Kleen s += strlen(s); 211344b1e60aSAndi Kleen *s++ = ','; 211444b1e60aSAndi Kleen } 211544b1e60aSAndi Kleen if (use_group) { 211644b1e60aSAndi Kleen s[-1] = '}'; 211744b1e60aSAndi Kleen *s = 0; 211844b1e60aSAndi Kleen } else 211944b1e60aSAndi Kleen s[-1] = 0; 212044b1e60aSAndi Kleen return 0; 212144b1e60aSAndi Kleen } 212244b1e60aSAndi Kleen 212344b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 212444b1e60aSAndi Kleen { 212544b1e60aSAndi Kleen *warn = false; 212644b1e60aSAndi Kleen return false; 212744b1e60aSAndi Kleen } 212844b1e60aSAndi Kleen 212944b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 213044b1e60aSAndi Kleen { 213144b1e60aSAndi Kleen } 213244b1e60aSAndi Kleen 21332cba3ffbSIngo Molnar /* 21342cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 21352cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 21362cba3ffbSIngo Molnar */ 21372cba3ffbSIngo Molnar static int add_default_attributes(void) 21382cba3ffbSIngo Molnar { 213944b1e60aSAndi Kleen int err; 21409dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 2141b070a547SArnaldo Carvalho de Melo 2142b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 2143b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 2144b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 2145b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 2146b070a547SArnaldo Carvalho de Melo 2147b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 21489dec4473SAndi Kleen }; 21499dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 2150b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 21519dec4473SAndi Kleen }; 21529dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 2153b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 21549dec4473SAndi Kleen }; 21559dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 2156b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 2157b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 2158b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 2159b070a547SArnaldo Carvalho de Melo 2160b070a547SArnaldo Carvalho de Melo }; 2161b070a547SArnaldo Carvalho de Melo 2162b070a547SArnaldo Carvalho de Melo /* 2163b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 2164b070a547SArnaldo Carvalho de Melo */ 2165b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 2166b070a547SArnaldo Carvalho de Melo 2167b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2168b070a547SArnaldo Carvalho de Melo .config = 2169b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2170b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2171b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2172b070a547SArnaldo Carvalho de Melo 2173b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2174b070a547SArnaldo Carvalho de Melo .config = 2175b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2176b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2177b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2178b070a547SArnaldo Carvalho de Melo 2179b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2180b070a547SArnaldo Carvalho de Melo .config = 2181b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2182b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2183b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2184b070a547SArnaldo Carvalho de Melo 2185b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2186b070a547SArnaldo Carvalho de Melo .config = 2187b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 2188b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2189b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2190b070a547SArnaldo Carvalho de Melo }; 2191b070a547SArnaldo Carvalho de Melo 2192b070a547SArnaldo Carvalho de Melo /* 2193b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 2194b070a547SArnaldo Carvalho de Melo */ 2195b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 2196b070a547SArnaldo Carvalho de Melo 2197b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2198b070a547SArnaldo Carvalho de Melo .config = 2199b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2200b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2201b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2202b070a547SArnaldo Carvalho de Melo 2203b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2204b070a547SArnaldo Carvalho de Melo .config = 2205b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 2206b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2207b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2208b070a547SArnaldo Carvalho de Melo 2209b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2210b070a547SArnaldo Carvalho de Melo .config = 2211b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2212b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2213b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2214b070a547SArnaldo Carvalho de Melo 2215b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2216b070a547SArnaldo Carvalho de Melo .config = 2217b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 2218b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2219b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2220b070a547SArnaldo Carvalho de Melo 2221b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2222b070a547SArnaldo Carvalho de Melo .config = 2223b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2224b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2225b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2226b070a547SArnaldo Carvalho de Melo 2227b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2228b070a547SArnaldo Carvalho de Melo .config = 2229b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2230b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2231b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2232b070a547SArnaldo Carvalho de Melo 2233b070a547SArnaldo Carvalho de Melo }; 2234b070a547SArnaldo Carvalho de Melo 2235b070a547SArnaldo Carvalho de Melo /* 2236b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 2237b070a547SArnaldo Carvalho de Melo */ 2238b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 2239b070a547SArnaldo Carvalho de Melo 2240b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2241b070a547SArnaldo Carvalho de Melo .config = 2242b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2243b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2244b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2245b070a547SArnaldo Carvalho de Melo 2246b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2247b070a547SArnaldo Carvalho de Melo .config = 2248b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2249b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2250b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2251b070a547SArnaldo Carvalho de Melo }; 2252b070a547SArnaldo Carvalho de Melo 22532cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 22542cba3ffbSIngo Molnar if (null_run) 22552cba3ffbSIngo Molnar return 0; 22562cba3ffbSIngo Molnar 22574cabc3d1SAndi Kleen if (transaction_run) { 22584cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 22594cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 2260a454742cSJiri Olsa err = parse_events(evsel_list, transaction_attrs, NULL); 22614cabc3d1SAndi Kleen else 2262a454742cSJiri Olsa err = parse_events(evsel_list, transaction_limited_attrs, NULL); 2263a454742cSJiri Olsa if (err) { 22644cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 22654cabc3d1SAndi Kleen return -1; 22664cabc3d1SAndi Kleen } 22674cabc3d1SAndi Kleen return 0; 22684cabc3d1SAndi Kleen } 22694cabc3d1SAndi Kleen 2270daefd0bcSKan Liang if (smi_cost) { 2271daefd0bcSKan Liang int smi; 2272daefd0bcSKan Liang 2273daefd0bcSKan Liang if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) { 2274daefd0bcSKan Liang fprintf(stderr, "freeze_on_smi is not supported.\n"); 2275daefd0bcSKan Liang return -1; 2276daefd0bcSKan Liang } 2277daefd0bcSKan Liang 2278daefd0bcSKan Liang if (!smi) { 2279daefd0bcSKan Liang if (sysfs__write_int(FREEZE_ON_SMI_PATH, 1) < 0) { 2280daefd0bcSKan Liang fprintf(stderr, "Failed to set freeze_on_smi.\n"); 2281daefd0bcSKan Liang return -1; 2282daefd0bcSKan Liang } 2283daefd0bcSKan Liang smi_reset = true; 2284daefd0bcSKan Liang } 2285daefd0bcSKan Liang 2286daefd0bcSKan Liang if (pmu_have_event("msr", "aperf") && 2287daefd0bcSKan Liang pmu_have_event("msr", "smi")) { 2288daefd0bcSKan Liang if (!force_metric_only) 2289daefd0bcSKan Liang metric_only = true; 2290daefd0bcSKan Liang err = parse_events(evsel_list, smi_cost_attrs, NULL); 2291daefd0bcSKan Liang } else { 2292daefd0bcSKan Liang fprintf(stderr, "To measure SMI cost, it needs " 2293daefd0bcSKan Liang "msr/aperf/, msr/smi/ and cpu/cycles/ support\n"); 2294daefd0bcSKan Liang return -1; 2295daefd0bcSKan Liang } 2296daefd0bcSKan Liang if (err) { 2297daefd0bcSKan Liang fprintf(stderr, "Cannot set up SMI cost events\n"); 2298daefd0bcSKan Liang return -1; 2299daefd0bcSKan Liang } 2300daefd0bcSKan Liang return 0; 2301daefd0bcSKan Liang } 2302daefd0bcSKan Liang 230344b1e60aSAndi Kleen if (topdown_run) { 230444b1e60aSAndi Kleen char *str = NULL; 230544b1e60aSAndi Kleen bool warn = false; 230644b1e60aSAndi Kleen 230744b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 230844b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 230944b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 231044b1e60aSAndi Kleen return -1; 231144b1e60aSAndi Kleen } 231244b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 231344b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 231444b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 231544b1e60aSAndi Kleen return -1; 231644b1e60aSAndi Kleen } 231744b1e60aSAndi Kleen 231844b1e60aSAndi Kleen if (!force_metric_only) 231944b1e60aSAndi Kleen metric_only = true; 232044b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 232144b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 232244b1e60aSAndi Kleen pr_err("Out of memory\n"); 232344b1e60aSAndi Kleen return -1; 232444b1e60aSAndi Kleen } 232544b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 232644b1e60aSAndi Kleen if (warn) 232744b1e60aSAndi Kleen arch_topdown_group_warn(); 232844b1e60aSAndi Kleen err = parse_events(evsel_list, str, NULL); 232944b1e60aSAndi Kleen if (err) { 233044b1e60aSAndi Kleen fprintf(stderr, 233144b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 233244b1e60aSAndi Kleen str, err); 233344b1e60aSAndi Kleen free(str); 233444b1e60aSAndi Kleen return -1; 233544b1e60aSAndi Kleen } 233644b1e60aSAndi Kleen } else { 233744b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 233844b1e60aSAndi Kleen return -1; 233944b1e60aSAndi Kleen } 234044b1e60aSAndi Kleen free(str); 234144b1e60aSAndi Kleen } 234244b1e60aSAndi Kleen 23432cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 2344a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 2345a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 2346a1f3d567SNamhyung Kim 23479dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 23489dec4473SAndi Kleen return -1; 23499dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 23509dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 23519dec4473SAndi Kleen frontend_attrs) < 0) 23529dec4473SAndi Kleen return -1; 23539dec4473SAndi Kleen } 23549dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 23559dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 23569dec4473SAndi Kleen backend_attrs) < 0) 23579dec4473SAndi Kleen return -1; 23589dec4473SAndi Kleen } 23599dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 23602cba3ffbSIngo Molnar return -1; 23612cba3ffbSIngo Molnar } 23622cba3ffbSIngo Molnar 23632cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 23642cba3ffbSIngo Molnar 23652cba3ffbSIngo Molnar if (detailed_run < 1) 23662cba3ffbSIngo Molnar return 0; 23672cba3ffbSIngo Molnar 23682cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 236979695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 23702cba3ffbSIngo Molnar return -1; 23712cba3ffbSIngo Molnar 23722cba3ffbSIngo Molnar if (detailed_run < 2) 23732cba3ffbSIngo Molnar return 0; 23742cba3ffbSIngo Molnar 23752cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 237679695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 23772cba3ffbSIngo Molnar return -1; 23782cba3ffbSIngo Molnar 23792cba3ffbSIngo Molnar if (detailed_run < 3) 23802cba3ffbSIngo Molnar return 0; 23812cba3ffbSIngo Molnar 23822cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 238379695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 23842cba3ffbSIngo Molnar } 23852cba3ffbSIngo Molnar 23868a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 23874979d0c7SJiri Olsa "perf stat record [<options>]", 23884979d0c7SJiri Olsa NULL, 23894979d0c7SJiri Olsa }; 23904979d0c7SJiri Olsa 23913ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 23923ba78bd0SJiri Olsa { 23933ba78bd0SJiri Olsa int feat; 23943ba78bd0SJiri Olsa 23953ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 23963ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 23973ba78bd0SJiri Olsa 23983ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 23993ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 24003ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 24013ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 24023ba78bd0SJiri Olsa } 24033ba78bd0SJiri Olsa 24044979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 24054979d0c7SJiri Olsa { 24064979d0c7SJiri Olsa struct perf_session *session; 24074979d0c7SJiri Olsa struct perf_data_file *file = &perf_stat.file; 24084979d0c7SJiri Olsa 24098a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 24104979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 24114979d0c7SJiri Olsa 24124979d0c7SJiri Olsa if (output_name) 24134979d0c7SJiri Olsa file->path = output_name; 24144979d0c7SJiri Olsa 2415e9d6db8eSJiri Olsa if (run_count != 1 || forever) { 2416e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 2417e9d6db8eSJiri Olsa return -1; 2418e9d6db8eSJiri Olsa } 2419e9d6db8eSJiri Olsa 24204979d0c7SJiri Olsa session = perf_session__new(file, false, NULL); 24214979d0c7SJiri Olsa if (session == NULL) { 24224979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 24234979d0c7SJiri Olsa return -1; 24244979d0c7SJiri Olsa } 24254979d0c7SJiri Olsa 24263ba78bd0SJiri Olsa init_features(session); 24273ba78bd0SJiri Olsa 24284979d0c7SJiri Olsa session->evlist = evsel_list; 24294979d0c7SJiri Olsa perf_stat.session = session; 24304979d0c7SJiri Olsa perf_stat.record = true; 24314979d0c7SJiri Olsa return argc; 24324979d0c7SJiri Olsa } 24334979d0c7SJiri Olsa 2434a56f9390SJiri Olsa static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2435a56f9390SJiri Olsa union perf_event *event, 2436a56f9390SJiri Olsa struct perf_session *session) 2437a56f9390SJiri Olsa { 2438e3b03b6cSAndi Kleen struct stat_round_event *stat_round = &event->stat_round; 2439a56f9390SJiri Olsa struct perf_evsel *counter; 2440a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 2441a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 2442a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 2443a56f9390SJiri Olsa 2444e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 2445a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 2446a56f9390SJiri Olsa 2447e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 2448e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 2449a56f9390SJiri Olsa 2450e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 2451bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 2452bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 2453a56f9390SJiri Olsa ts = &tsh; 2454a56f9390SJiri Olsa } 2455a56f9390SJiri Olsa 2456a56f9390SJiri Olsa print_counters(ts, argc, argv); 2457a56f9390SJiri Olsa return 0; 2458a56f9390SJiri Olsa } 2459a56f9390SJiri Olsa 246062ba18baSJiri Olsa static 24617e6a7998SArnaldo Carvalho de Melo int process_stat_config_event(struct perf_tool *tool, 246262ba18baSJiri Olsa union perf_event *event, 246362ba18baSJiri Olsa struct perf_session *session __maybe_unused) 246462ba18baSJiri Olsa { 246568d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 246668d702f7SJiri Olsa 246762ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 246868d702f7SJiri Olsa 246989af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 247089af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 247189af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 247289af4e05SJiri Olsa return 0; 247389af4e05SJiri Olsa } 247489af4e05SJiri Olsa 247589af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 247689af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 247789af4e05SJiri Olsa 247868d702f7SJiri Olsa if (perf_stat.file.is_pipe) 247968d702f7SJiri Olsa perf_stat_init_aggr_mode(); 248068d702f7SJiri Olsa else 248168d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 248268d702f7SJiri Olsa 248362ba18baSJiri Olsa return 0; 248462ba18baSJiri Olsa } 248562ba18baSJiri Olsa 24861975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 24871975d36eSJiri Olsa { 24881975d36eSJiri Olsa if (!st->cpus || !st->threads) 24891975d36eSJiri Olsa return 0; 24901975d36eSJiri Olsa 24911975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 24921975d36eSJiri Olsa return -EINVAL; 24931975d36eSJiri Olsa 24941975d36eSJiri Olsa perf_evlist__set_maps(evsel_list, st->cpus, st->threads); 24951975d36eSJiri Olsa 24961975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 24971975d36eSJiri Olsa return -ENOMEM; 24981975d36eSJiri Olsa 24991975d36eSJiri Olsa st->maps_allocated = true; 25001975d36eSJiri Olsa return 0; 25011975d36eSJiri Olsa } 25021975d36eSJiri Olsa 25031975d36eSJiri Olsa static 25047e6a7998SArnaldo Carvalho de Melo int process_thread_map_event(struct perf_tool *tool, 25051975d36eSJiri Olsa union perf_event *event, 25061975d36eSJiri Olsa struct perf_session *session __maybe_unused) 25071975d36eSJiri Olsa { 25081975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 25091975d36eSJiri Olsa 25101975d36eSJiri Olsa if (st->threads) { 25111975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 25121975d36eSJiri Olsa return 0; 25131975d36eSJiri Olsa } 25141975d36eSJiri Olsa 25151975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 25161975d36eSJiri Olsa if (!st->threads) 25171975d36eSJiri Olsa return -ENOMEM; 25181975d36eSJiri Olsa 25191975d36eSJiri Olsa return set_maps(st); 25201975d36eSJiri Olsa } 25211975d36eSJiri Olsa 25221975d36eSJiri Olsa static 25237e6a7998SArnaldo Carvalho de Melo int process_cpu_map_event(struct perf_tool *tool, 25241975d36eSJiri Olsa union perf_event *event, 25251975d36eSJiri Olsa struct perf_session *session __maybe_unused) 25261975d36eSJiri Olsa { 25271975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 25281975d36eSJiri Olsa struct cpu_map *cpus; 25291975d36eSJiri Olsa 25301975d36eSJiri Olsa if (st->cpus) { 25311975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 25321975d36eSJiri Olsa return 0; 25331975d36eSJiri Olsa } 25341975d36eSJiri Olsa 25351975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 25361975d36eSJiri Olsa if (!cpus) 25371975d36eSJiri Olsa return -ENOMEM; 25381975d36eSJiri Olsa 25391975d36eSJiri Olsa st->cpus = cpus; 25401975d36eSJiri Olsa return set_maps(st); 25411975d36eSJiri Olsa } 25421975d36eSJiri Olsa 25438a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 2544ba6039b6SJiri Olsa "perf stat report [<options>]", 2545ba6039b6SJiri Olsa NULL, 2546ba6039b6SJiri Olsa }; 2547ba6039b6SJiri Olsa 2548ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 2549ba6039b6SJiri Olsa .tool = { 2550ba6039b6SJiri Olsa .attr = perf_event__process_attr, 2551fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 25521975d36eSJiri Olsa .thread_map = process_thread_map_event, 25531975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 255462ba18baSJiri Olsa .stat_config = process_stat_config_event, 2555a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 2556a56f9390SJiri Olsa .stat_round = process_stat_round_event, 2557ba6039b6SJiri Olsa }, 255889af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 2559ba6039b6SJiri Olsa }; 2560ba6039b6SJiri Olsa 2561ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 2562ba6039b6SJiri Olsa { 2563ba6039b6SJiri Olsa struct perf_session *session; 2564ba6039b6SJiri Olsa const struct option options[] = { 2565ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 256689af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 256789af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 256889af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 256989af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 257089af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 257189af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2572ba6039b6SJiri Olsa OPT_END() 2573ba6039b6SJiri Olsa }; 2574ba6039b6SJiri Olsa struct stat st; 2575ba6039b6SJiri Olsa int ret; 2576ba6039b6SJiri Olsa 25778a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 2578ba6039b6SJiri Olsa 2579ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 2580ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 2581ba6039b6SJiri Olsa input_name = "-"; 2582ba6039b6SJiri Olsa else 2583ba6039b6SJiri Olsa input_name = "perf.data"; 2584ba6039b6SJiri Olsa } 2585ba6039b6SJiri Olsa 2586ba6039b6SJiri Olsa perf_stat.file.path = input_name; 2587ba6039b6SJiri Olsa perf_stat.file.mode = PERF_DATA_MODE_READ; 2588ba6039b6SJiri Olsa 2589ba6039b6SJiri Olsa session = perf_session__new(&perf_stat.file, false, &perf_stat.tool); 2590ba6039b6SJiri Olsa if (session == NULL) 2591ba6039b6SJiri Olsa return -1; 2592ba6039b6SJiri Olsa 2593ba6039b6SJiri Olsa perf_stat.session = session; 2594ba6039b6SJiri Olsa stat_config.output = stderr; 2595ba6039b6SJiri Olsa evsel_list = session->evlist; 2596ba6039b6SJiri Olsa 2597ba6039b6SJiri Olsa ret = perf_session__process_events(session); 2598ba6039b6SJiri Olsa if (ret) 2599ba6039b6SJiri Olsa return ret; 2600ba6039b6SJiri Olsa 2601ba6039b6SJiri Olsa perf_session__delete(session); 2602ba6039b6SJiri Olsa return 0; 2603ba6039b6SJiri Olsa } 2604ba6039b6SJiri Olsa 2605e3ba76deSJiri Olsa static void setup_system_wide(int forks) 2606e3ba76deSJiri Olsa { 2607e3ba76deSJiri Olsa /* 2608e3ba76deSJiri Olsa * Make system wide (-a) the default target if 2609e3ba76deSJiri Olsa * no target was specified and one of following 2610e3ba76deSJiri Olsa * conditions is met: 2611e3ba76deSJiri Olsa * 2612e3ba76deSJiri Olsa * - there's no workload specified 2613e3ba76deSJiri Olsa * - there is workload specified but all requested 2614e3ba76deSJiri Olsa * events are system wide events 2615e3ba76deSJiri Olsa */ 2616e3ba76deSJiri Olsa if (!target__none(&target)) 2617e3ba76deSJiri Olsa return; 2618e3ba76deSJiri Olsa 2619e3ba76deSJiri Olsa if (!forks) 2620e3ba76deSJiri Olsa target.system_wide = true; 2621e3ba76deSJiri Olsa else { 2622e3ba76deSJiri Olsa struct perf_evsel *counter; 2623e3ba76deSJiri Olsa 2624e3ba76deSJiri Olsa evlist__for_each_entry(evsel_list, counter) { 2625e3ba76deSJiri Olsa if (!counter->system_wide) 2626e3ba76deSJiri Olsa return; 2627e3ba76deSJiri Olsa } 2628e3ba76deSJiri Olsa 2629e3ba76deSJiri Olsa if (evsel_list->nr_entries) 2630e3ba76deSJiri Olsa target.system_wide = true; 2631e3ba76deSJiri Olsa } 2632e3ba76deSJiri Olsa } 2633e3ba76deSJiri Olsa 2634b0ad8ea6SArnaldo Carvalho de Melo int cmd_stat(int argc, const char **argv) 263586470930SIngo Molnar { 2636b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 2637b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 2638b070a547SArnaldo Carvalho de Melo NULL 2639b070a547SArnaldo Carvalho de Melo }; 2640cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 26414aa9015fSStephane Eranian const char *mode; 26425821522eSJiri Olsa FILE *output = stderr; 2643ec0d3d1fSJiri Olsa unsigned int interval; 2644ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 264542202dd5SIngo Molnar 26465af52b51SStephane Eranian setlocale(LC_ALL, ""); 26475af52b51SStephane Eranian 2648334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 2649361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 2650361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 2651361c99a6SArnaldo Carvalho de Melo 26521669e509SWang Nan parse_events__shrink_config_terms(); 26534979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 26544979d0c7SJiri Olsa (const char **) stat_usage, 2655a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 265637932c18SAndi Kleen perf_stat__collect_metric_expr(evsel_list); 2657fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 2658d7470b6aSStephane Eranian 26596edb78a2SJiri Olsa if (csv_sep) { 26606edb78a2SJiri Olsa csv_output = true; 26616edb78a2SJiri Olsa if (!strcmp(csv_sep, "\\t")) 26626edb78a2SJiri Olsa csv_sep = "\t"; 26636edb78a2SJiri Olsa } else 26646edb78a2SJiri Olsa csv_sep = DEFAULT_SEPARATOR; 26656edb78a2SJiri Olsa 26664979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 26674979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 26684979d0c7SJiri Olsa if (argc < 0) 26694979d0c7SJiri Olsa return -1; 2670ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 2671ba6039b6SJiri Olsa return __cmd_report(argc, argv); 26724979d0c7SJiri Olsa 2673ec0d3d1fSJiri Olsa interval = stat_config.interval; 2674ec0d3d1fSJiri Olsa 26754979d0c7SJiri Olsa /* 26764979d0c7SJiri Olsa * For record command the -o is already taken care of. 26774979d0c7SJiri Olsa */ 26784979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 26794aa9015fSStephane Eranian output = NULL; 26804aa9015fSStephane Eranian 268156f3bae7SJim Cromie if (output_name && output_fd) { 268256f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 2683e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 2684e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 2685cc03c542SNamhyung Kim goto out; 268656f3bae7SJim Cromie } 2687fc3e4d07SStephane Eranian 268854b50916SAndi Kleen if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { 268954b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 269054b50916SAndi Kleen goto out; 269154b50916SAndi Kleen } 269254b50916SAndi Kleen 269354b50916SAndi Kleen if (metric_only && run_count > 1) { 269454b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 269554b50916SAndi Kleen goto out; 269654b50916SAndi Kleen } 269754b50916SAndi Kleen 2698fc3e4d07SStephane Eranian if (output_fd < 0) { 2699fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 2700e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 2701cc03c542SNamhyung Kim goto out; 2702fc3e4d07SStephane Eranian } 2703fc3e4d07SStephane Eranian 27044aa9015fSStephane Eranian if (!output) { 27054aa9015fSStephane Eranian struct timespec tm; 27064aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 27074aa9015fSStephane Eranian 27084aa9015fSStephane Eranian output = fopen(output_name, mode); 27094aa9015fSStephane Eranian if (!output) { 27104aa9015fSStephane Eranian perror("failed to create output file"); 2711fceda7feSDavid Ahern return -1; 27124aa9015fSStephane Eranian } 27134aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 27144aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2715fc3e4d07SStephane Eranian } else if (output_fd > 0) { 271656f3bae7SJim Cromie mode = append_file ? "a" : "w"; 271756f3bae7SJim Cromie output = fdopen(output_fd, mode); 271856f3bae7SJim Cromie if (!output) { 271956f3bae7SJim Cromie perror("Failed opening logfd"); 272056f3bae7SJim Cromie return -errno; 272156f3bae7SJim Cromie } 27224aa9015fSStephane Eranian } 27234aa9015fSStephane Eranian 27245821522eSJiri Olsa stat_config.output = output; 27255821522eSJiri Olsa 2726d7470b6aSStephane Eranian /* 2727d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2728d7470b6aSStephane Eranian */ 2729d7470b6aSStephane Eranian if (csv_output) { 273061a9f324SJim Cromie /* User explicitly passed -B? */ 2731d7470b6aSStephane Eranian if (big_num_opt == 1) { 2732d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2733e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2734e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2735cc03c542SNamhyung Kim goto out; 2736d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 2737d7470b6aSStephane Eranian big_num = false; 2738d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 2739d7470b6aSStephane Eranian big_num = false; 2740d7470b6aSStephane Eranian 2741e3ba76deSJiri Olsa setup_system_wide(argc); 2742ac3063bdSDavid Ahern 2743a7e191c3SFrederik Deweerdt if (run_count < 0) { 2744cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2745e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2746cc03c542SNamhyung Kim goto out; 2747a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 2748a7e191c3SFrederik Deweerdt forever = true; 2749a7e191c3SFrederik Deweerdt run_count = 1; 2750a7e191c3SFrederik Deweerdt } 275186470930SIngo Molnar 2752421a50f3SJiri Olsa if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { 275332b8af82SJiri Olsa fprintf(stderr, "The --per-thread option is only available " 275432b8af82SJiri Olsa "when monitoring via -p -t options.\n"); 2755e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 2756e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 275732b8af82SJiri Olsa goto out; 275832b8af82SJiri Olsa } 275932b8af82SJiri Olsa 276032b8af82SJiri Olsa /* 276132b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 276232b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 276332b8af82SJiri Olsa */ 2764421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 2765421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 2766602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 2767023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 2768023695d9SStephane Eranian "modes only available in system-wide mode\n"); 2769023695d9SStephane Eranian 2770e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 2771e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 2772e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2773cc03c542SNamhyung Kim goto out; 2774d7e7a451SStephane Eranian } 2775d7e7a451SStephane Eranian 27762cba3ffbSIngo Molnar if (add_default_attributes()) 2777c6264defSIngo Molnar goto out; 277886470930SIngo Molnar 2779602ad878SArnaldo Carvalho de Melo target__validate(&target); 27805c98d466SArnaldo Carvalho de Melo 278177a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 2782602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 27835c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 2784e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 2785e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 2786602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 278760d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 2788e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 2789e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2790cc03c542SNamhyung Kim } 2791cc03c542SNamhyung Kim goto out; 279260d567e2SArnaldo Carvalho de Melo } 279332b8af82SJiri Olsa 279432b8af82SJiri Olsa /* 279532b8af82SJiri Olsa * Initialize thread_map with comm names, 279632b8af82SJiri Olsa * so we could print it out on output. 279732b8af82SJiri Olsa */ 2798421a50f3SJiri Olsa if (stat_config.aggr_mode == AGGR_THREAD) 279932b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 280032b8af82SJiri Olsa 280113370a9bSStephane Eranian if (interval && interval < 100) { 280219afd104SKan Liang if (interval < 10) { 280319afd104SKan Liang pr_err("print interval must be >= 10ms\n"); 2804e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "I", 1); 280503ad9747SArnaldo Carvalho de Melo goto out; 280619afd104SKan Liang } else 280719afd104SKan Liang pr_warning("print interval < 100ms. " 280819afd104SKan Liang "The overhead percentage could be high in some cases. " 280919afd104SKan Liang "Please proceed with caution.\n"); 281013370a9bSStephane Eranian } 2811c45c6ea2SStephane Eranian 2812d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 281303ad9747SArnaldo Carvalho de Melo goto out; 2814d6d901c2SZhang, Yanmin 281586ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 281603ad9747SArnaldo Carvalho de Melo goto out; 281786ee6e18SStephane Eranian 281886470930SIngo Molnar /* 281986470930SIngo Molnar * We dont want to block the signals - that would cause 282086470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 282186470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 282286470930SIngo Molnar * task, but being ignored by perf stat itself: 282386470930SIngo Molnar */ 2824f7b7c26eSPeter Zijlstra atexit(sig_atexit); 2825a7e191c3SFrederik Deweerdt if (!forever) 282686470930SIngo Molnar signal(SIGINT, skip_signal); 282713370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 282886470930SIngo Molnar signal(SIGALRM, skip_signal); 282986470930SIngo Molnar signal(SIGABRT, skip_signal); 283086470930SIngo Molnar 283142202dd5SIngo Molnar status = 0; 2832a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 2833bb963e16SNamhyung Kim if (run_count != 1 && verbose > 0) 28344aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 28354aa9015fSStephane Eranian run_idx + 1); 2836f9cef0a9SIngo Molnar 283742202dd5SIngo Molnar status = run_perf_stat(argc, argv); 2838a7e191c3SFrederik Deweerdt if (forever && status != -1) { 2839d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2840254ecbc7SJiri Olsa perf_stat__reset_stats(); 2841a7e191c3SFrederik Deweerdt } 284242202dd5SIngo Molnar } 284342202dd5SIngo Molnar 2844a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 2845d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2846d134ffb9SArnaldo Carvalho de Melo 28474979d0c7SJiri Olsa if (STAT_RECORD) { 28484979d0c7SJiri Olsa /* 28494979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 28504979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 28514979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 28524979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 28534979d0c7SJiri Olsa * 28544979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 28558b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 28568b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 28578b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 28588b99b1a4SJiri Olsa * tools remain -acme 28594979d0c7SJiri Olsa */ 28604979d0c7SJiri Olsa int fd = perf_data_file__fd(&perf_stat.file); 28614979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 28624979d0c7SJiri Olsa process_synthesized_event, 28634979d0c7SJiri Olsa &perf_stat.session->machines.host); 28644979d0c7SJiri Olsa if (err) { 28654979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 28664979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 28674979d0c7SJiri Olsa } 28684979d0c7SJiri Olsa 28697aad0c32SJiri Olsa if (!interval) { 28707aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 28717aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 28727aad0c32SJiri Olsa } 28737aad0c32SJiri Olsa 2874664c98d4SJiri Olsa if (!perf_stat.file.is_pipe) { 28754979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 28764979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2877664c98d4SJiri Olsa } 28784979d0c7SJiri Olsa 28794979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 28804979d0c7SJiri Olsa } 28814979d0c7SJiri Olsa 2882544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2883d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 28840015e2e1SArnaldo Carvalho de Melo out: 2885daefd0bcSKan Liang if (smi_cost && smi_reset) 2886daefd0bcSKan Liang sysfs__write_int(FREEZE_ON_SMI_PATH, 0); 2887daefd0bcSKan Liang 28880015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 288942202dd5SIngo Molnar return status; 289086470930SIngo Molnar } 2891