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" 67ba6039b6SJiri Olsa #include "asm/bug.h" 6886470930SIngo Molnar 69bd48c63eSArnaldo Carvalho de Melo #include <linux/time64.h> 7044b1e60aSAndi Kleen #include <api/fs/fs.h> 711f16c575SPeter Zijlstra #include <stdlib.h> 7286470930SIngo Molnar #include <sys/prctl.h> 735af52b51SStephane Eranian #include <locale.h> 74e3b03b6cSAndi Kleen #include <math.h> 7586470930SIngo Molnar 76d7470b6aSStephane Eranian #define DEFAULT_SEPARATOR " " 772cee77c4SDavid Ahern #define CNTR_NOT_SUPPORTED "<not supported>" 782cee77c4SDavid Ahern #define CNTR_NOT_COUNTED "<not counted>" 79d7470b6aSStephane Eranian 80d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv); 8113370a9bSStephane Eranian 824cabc3d1SAndi Kleen /* Default events used for perf stat -T */ 83a454742cSJiri Olsa static const char *transaction_attrs = { 84a454742cSJiri Olsa "task-clock," 854cabc3d1SAndi Kleen "{" 864cabc3d1SAndi Kleen "instructions," 874cabc3d1SAndi Kleen "cycles," 884cabc3d1SAndi Kleen "cpu/cycles-t/," 894cabc3d1SAndi Kleen "cpu/tx-start/," 904cabc3d1SAndi Kleen "cpu/el-start/," 914cabc3d1SAndi Kleen "cpu/cycles-ct/" 924cabc3d1SAndi Kleen "}" 934cabc3d1SAndi Kleen }; 944cabc3d1SAndi Kleen 954cabc3d1SAndi Kleen /* More limited version when the CPU does not have all events. */ 96a454742cSJiri Olsa static const char * transaction_limited_attrs = { 97a454742cSJiri Olsa "task-clock," 984cabc3d1SAndi Kleen "{" 994cabc3d1SAndi Kleen "instructions," 1004cabc3d1SAndi Kleen "cycles," 1014cabc3d1SAndi Kleen "cpu/cycles-t/," 1024cabc3d1SAndi Kleen "cpu/tx-start/" 1034cabc3d1SAndi Kleen "}" 1044cabc3d1SAndi Kleen }; 1054cabc3d1SAndi Kleen 10644b1e60aSAndi Kleen static const char * topdown_attrs[] = { 10744b1e60aSAndi Kleen "topdown-total-slots", 10844b1e60aSAndi Kleen "topdown-slots-retired", 10944b1e60aSAndi Kleen "topdown-recovery-bubbles", 11044b1e60aSAndi Kleen "topdown-fetch-bubbles", 11144b1e60aSAndi Kleen "topdown-slots-issued", 11244b1e60aSAndi Kleen NULL, 11344b1e60aSAndi Kleen }; 11444b1e60aSAndi Kleen 115666e6d48SRobert Richter static struct perf_evlist *evsel_list; 116361c99a6SArnaldo Carvalho de Melo 117602ad878SArnaldo Carvalho de Melo static struct target target = { 11877a6f014SNamhyung Kim .uid = UINT_MAX, 11977a6f014SNamhyung Kim }; 12042202dd5SIngo Molnar 1211e5a2931SJiri Olsa typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu); 1221e5a2931SJiri Olsa 1233d632595SJaswinder Singh Rajput static int run_count = 1; 1242e6cdf99SStephane Eranian static bool no_inherit = false; 125d07f0b12SStephane Eranian static volatile pid_t child_pid = -1; 126c0555642SIan Munsie static bool null_run = false; 1272cba3ffbSIngo Molnar static int detailed_run = 0; 1284cabc3d1SAndi Kleen static bool transaction_run; 12944b1e60aSAndi Kleen static bool topdown_run = false; 130201e0b06SArnaldo Carvalho de Melo static bool big_num = true; 131d7470b6aSStephane Eranian static int big_num_opt = -1; 132d7470b6aSStephane Eranian static const char *csv_sep = NULL; 133d7470b6aSStephane Eranian static bool csv_output = false; 13443bece79SLin Ming static bool group = false; 1351f16c575SPeter Zijlstra static const char *pre_cmd = NULL; 1361f16c575SPeter Zijlstra static const char *post_cmd = NULL; 1371f16c575SPeter Zijlstra static bool sync_run = false; 13841191688SAndi Kleen static unsigned int initial_delay = 0; 139410136f5SStephane Eranian static unsigned int unit_width = 4; /* strlen("unit") */ 140a7e191c3SFrederik Deweerdt static bool forever = false; 14154b50916SAndi Kleen static bool metric_only = false; 14244b1e60aSAndi Kleen static bool force_metric_only = false; 14313370a9bSStephane Eranian static struct timespec ref_time; 14486ee6e18SStephane Eranian static struct cpu_map *aggr_map; 1451e5a2931SJiri Olsa static aggr_get_id_t aggr_get_id; 146e0547311SJiri Olsa static bool append_file; 147e0547311SJiri Olsa static const char *output_name; 148e0547311SJiri Olsa static int output_fd; 1495af52b51SStephane Eranian 1504979d0c7SJiri Olsa struct perf_stat { 1514979d0c7SJiri Olsa bool record; 1524979d0c7SJiri Olsa struct perf_data_file file; 1534979d0c7SJiri Olsa struct perf_session *session; 1544979d0c7SJiri Olsa u64 bytes_written; 155ba6039b6SJiri Olsa struct perf_tool tool; 1561975d36eSJiri Olsa bool maps_allocated; 1571975d36eSJiri Olsa struct cpu_map *cpus; 1581975d36eSJiri Olsa struct thread_map *threads; 15989af4e05SJiri Olsa enum aggr_mode aggr_mode; 1604979d0c7SJiri Olsa }; 1614979d0c7SJiri Olsa 1624979d0c7SJiri Olsa static struct perf_stat perf_stat; 1634979d0c7SJiri Olsa #define STAT_RECORD perf_stat.record 1644979d0c7SJiri Olsa 16560666c63SLiming Wang static volatile int done = 0; 16660666c63SLiming Wang 167421a50f3SJiri Olsa static struct perf_stat_config stat_config = { 168421a50f3SJiri Olsa .aggr_mode = AGGR_GLOBAL, 169711a572eSJiri Olsa .scale = true, 170421a50f3SJiri Olsa }; 171421a50f3SJiri Olsa 17213370a9bSStephane Eranian static inline void diff_timespec(struct timespec *r, struct timespec *a, 17313370a9bSStephane Eranian struct timespec *b) 17413370a9bSStephane Eranian { 17513370a9bSStephane Eranian r->tv_sec = a->tv_sec - b->tv_sec; 17613370a9bSStephane Eranian if (a->tv_nsec < b->tv_nsec) { 177310ebb93SArnaldo Carvalho de Melo r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec; 17813370a9bSStephane Eranian r->tv_sec--; 17913370a9bSStephane Eranian } else { 18013370a9bSStephane Eranian r->tv_nsec = a->tv_nsec - b->tv_nsec ; 18113370a9bSStephane Eranian } 18213370a9bSStephane Eranian } 18313370a9bSStephane Eranian 184254ecbc7SJiri Olsa static void perf_stat__reset_stats(void) 185254ecbc7SJiri Olsa { 186254ecbc7SJiri Olsa perf_evlist__reset_stats(evsel_list); 187f87027b9SJiri Olsa perf_stat__reset_shadow_stats(); 1881eda3b21SJiri Olsa } 1891eda3b21SJiri Olsa 190cac21425SJiri Olsa static int create_perf_stat_counter(struct perf_evsel *evsel) 19186470930SIngo Molnar { 19269aad6f1SArnaldo Carvalho de Melo struct perf_event_attr *attr = &evsel->attr; 193727ab04eSArnaldo Carvalho de Melo 194711a572eSJiri Olsa if (stat_config.scale) 19586470930SIngo Molnar attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 19686470930SIngo Molnar PERF_FORMAT_TOTAL_TIME_RUNNING; 19786470930SIngo Molnar 1982e6cdf99SStephane Eranian attr->inherit = !no_inherit; 1995d2cd909SArnaldo Carvalho de Melo 2006acd8e92SJiri Olsa /* 2016acd8e92SJiri Olsa * Some events get initialized with sample_(period/type) set, 2026acd8e92SJiri Olsa * like tracepoints. Clear it up for counting. 2036acd8e92SJiri Olsa */ 2046acd8e92SJiri Olsa attr->sample_period = 0; 2056db1a5c1SJiri Olsa 2064979d0c7SJiri Olsa /* 2074979d0c7SJiri Olsa * But set sample_type to PERF_SAMPLE_IDENTIFIER, which should be harmless 2084979d0c7SJiri Olsa * while avoiding that older tools show confusing messages. 2096db1a5c1SJiri Olsa * 2106db1a5c1SJiri Olsa * However for pipe sessions we need to keep it zero, 2116db1a5c1SJiri Olsa * because script's perf_evsel__check_attr is triggered 2126db1a5c1SJiri Olsa * by attr->sample_type != 0, and we can't run it on 2136db1a5c1SJiri Olsa * stat sessions. 2144979d0c7SJiri Olsa */ 2156db1a5c1SJiri Olsa if (!(STAT_RECORD && perf_stat.file.is_pipe)) 2164979d0c7SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 2176acd8e92SJiri Olsa 21867ccdecdSJiri Olsa /* 21967ccdecdSJiri Olsa * Disabling all counters initially, they will be enabled 22067ccdecdSJiri Olsa * either manually by us or by kernel via enable_on_exec 22167ccdecdSJiri Olsa * set later. 22267ccdecdSJiri Olsa */ 223c8280cecSJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 22467ccdecdSJiri Olsa attr->disabled = 1; 22567ccdecdSJiri Olsa 226c8280cecSJiri Olsa /* 227c8280cecSJiri Olsa * In case of initial_delay we enable tracee 228c8280cecSJiri Olsa * events manually. 229c8280cecSJiri Olsa */ 230c8280cecSJiri Olsa if (target__none(&target) && !initial_delay) 231c8280cecSJiri Olsa attr->enable_on_exec = 1; 232c8280cecSJiri Olsa } 233c8280cecSJiri Olsa 234602ad878SArnaldo Carvalho de Melo if (target__has_cpu(&target)) 235594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); 2365622c07bSStephane Eranian 237594ac61aSArnaldo Carvalho de Melo return perf_evsel__open_per_thread(evsel, evsel_list->threads); 23886470930SIngo Molnar } 23986470930SIngo Molnar 24086470930SIngo Molnar /* 24186470930SIngo Molnar * Does the counter have nsecs as a unit? 24286470930SIngo Molnar */ 243daec78a0SArnaldo Carvalho de Melo static inline int nsec_counter(struct perf_evsel *evsel) 24486470930SIngo Molnar { 245daec78a0SArnaldo Carvalho de Melo if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || 246daec78a0SArnaldo Carvalho de Melo perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) 24786470930SIngo Molnar return 1; 24886470930SIngo Molnar 24986470930SIngo Molnar return 0; 25086470930SIngo Molnar } 25186470930SIngo Molnar 2528b99b1a4SJiri Olsa static int process_synthesized_event(struct perf_tool *tool __maybe_unused, 2534979d0c7SJiri Olsa union perf_event *event, 2544979d0c7SJiri Olsa struct perf_sample *sample __maybe_unused, 2554979d0c7SJiri Olsa struct machine *machine __maybe_unused) 2564979d0c7SJiri Olsa { 2578b99b1a4SJiri Olsa if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { 2588b99b1a4SJiri Olsa pr_err("failed to write perf data, error: %m\n"); 2598b99b1a4SJiri Olsa return -1; 2608b99b1a4SJiri Olsa } 2618b99b1a4SJiri Olsa 2628b99b1a4SJiri Olsa perf_stat.bytes_written += event->header.size; 2638b99b1a4SJiri Olsa return 0; 2644979d0c7SJiri Olsa } 2654979d0c7SJiri Olsa 2661975d36eSJiri Olsa static int write_stat_round_event(u64 tm, u64 type) 2677aad0c32SJiri Olsa { 2681975d36eSJiri Olsa return perf_event__synthesize_stat_round(NULL, tm, type, 2697aad0c32SJiri Olsa process_synthesized_event, 2707aad0c32SJiri Olsa NULL); 2717aad0c32SJiri Olsa } 2727aad0c32SJiri Olsa 2737aad0c32SJiri Olsa #define WRITE_STAT_ROUND_EVENT(time, interval) \ 2747aad0c32SJiri Olsa write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) 2757aad0c32SJiri Olsa 2765a6ea81bSJiri Olsa #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) 2775a6ea81bSJiri Olsa 2785a6ea81bSJiri Olsa static int 2795a6ea81bSJiri Olsa perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, 2805a6ea81bSJiri Olsa struct perf_counts_values *count) 2815a6ea81bSJiri Olsa { 2825a6ea81bSJiri Olsa struct perf_sample_id *sid = SID(counter, cpu, thread); 2835a6ea81bSJiri Olsa 2845a6ea81bSJiri Olsa return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count, 2855a6ea81bSJiri Olsa process_synthesized_event, NULL); 2865a6ea81bSJiri Olsa } 2875a6ea81bSJiri Olsa 288f5b4a9c3SStephane Eranian /* 289f5b4a9c3SStephane Eranian * Read out the results of a single counter: 290f5b4a9c3SStephane Eranian * do not aggregate counts across CPUs in system-wide mode 291f5b4a9c3SStephane Eranian */ 292c52b12edSArnaldo Carvalho de Melo static int read_counter(struct perf_evsel *counter) 293f5b4a9c3SStephane Eranian { 2949bf1a529SJiri Olsa int nthreads = thread_map__nr(evsel_list->threads); 29500e727bbSMark Rutland int ncpus, cpu, thread; 29600e727bbSMark Rutland 29700e727bbSMark Rutland if (target__has_cpu(&target)) 29800e727bbSMark Rutland ncpus = perf_evsel__nr_cpus(counter); 29900e727bbSMark Rutland else 30000e727bbSMark Rutland ncpus = 1; 301f5b4a9c3SStephane Eranian 3023b4331d9SSuzuki K. Poulose if (!counter->supported) 3033b4331d9SSuzuki K. Poulose return -ENOENT; 3043b4331d9SSuzuki K. Poulose 3059bf1a529SJiri Olsa if (counter->system_wide) 3069bf1a529SJiri Olsa nthreads = 1; 3079bf1a529SJiri Olsa 3089bf1a529SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 3099bf1a529SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 3103b3eb044SJiri Olsa struct perf_counts_values *count; 3113b3eb044SJiri Olsa 3123b3eb044SJiri Olsa count = perf_counts(counter->counts, cpu, thread); 3133b3eb044SJiri Olsa if (perf_evsel__read(counter, cpu, thread, count)) 314c52b12edSArnaldo Carvalho de Melo return -1; 3155a6ea81bSJiri Olsa 3165a6ea81bSJiri Olsa if (STAT_RECORD) { 3175a6ea81bSJiri Olsa if (perf_evsel__write_stat_event(counter, cpu, thread, count)) { 3185a6ea81bSJiri Olsa pr_err("failed to write stat event\n"); 3195a6ea81bSJiri Olsa return -1; 3205a6ea81bSJiri Olsa } 3215a6ea81bSJiri Olsa } 3220b1abbf4SAndi Kleen 3230b1abbf4SAndi Kleen if (verbose > 1) { 3240b1abbf4SAndi Kleen fprintf(stat_config.output, 3250b1abbf4SAndi Kleen "%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 3260b1abbf4SAndi Kleen perf_evsel__name(counter), 3270b1abbf4SAndi Kleen cpu, 3280b1abbf4SAndi Kleen count->val, count->ena, count->run); 3290b1abbf4SAndi Kleen } 330f5b4a9c3SStephane Eranian } 3319bf1a529SJiri Olsa } 332c52b12edSArnaldo Carvalho de Melo 333c52b12edSArnaldo Carvalho de Melo return 0; 33486470930SIngo Molnar } 33586470930SIngo Molnar 3363df33effSMark Rutland static void read_counters(void) 337106a94a0SJiri Olsa { 338106a94a0SJiri Olsa struct perf_evsel *counter; 339106a94a0SJiri Olsa 340e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 3413b3eb044SJiri Olsa if (read_counter(counter)) 342245bad8eSAndi Kleen pr_debug("failed to read counter %s\n", counter->name); 3433b3eb044SJiri Olsa 344f80010ebSJiri Olsa if (perf_stat_process_counter(&stat_config, counter)) 3453b3eb044SJiri Olsa pr_warning("failed to process counter %s\n", counter->name); 346106a94a0SJiri Olsa } 347106a94a0SJiri Olsa } 348106a94a0SJiri Olsa 349ba411a95SJiri Olsa static void process_interval(void) 35013370a9bSStephane Eranian { 35113370a9bSStephane Eranian struct timespec ts, rs; 35213370a9bSStephane Eranian 3533df33effSMark Rutland read_counters(); 35486ee6e18SStephane Eranian 35513370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ts); 35613370a9bSStephane Eranian diff_timespec(&rs, &ts, &ref_time); 35713370a9bSStephane Eranian 3587aad0c32SJiri Olsa if (STAT_RECORD) { 359bd48c63eSArnaldo Carvalho de Melo if (WRITE_STAT_ROUND_EVENT(rs.tv_sec * NSEC_PER_SEC + rs.tv_nsec, INTERVAL)) 3607aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 3617aad0c32SJiri Olsa } 3627aad0c32SJiri Olsa 363d4f63a47SJiri Olsa print_counters(&rs, 0, NULL); 36413370a9bSStephane Eranian } 36513370a9bSStephane Eranian 36667ccdecdSJiri Olsa static void enable_counters(void) 36741191688SAndi Kleen { 36867ccdecdSJiri Olsa if (initial_delay) 369310ebb93SArnaldo Carvalho de Melo usleep(initial_delay * USEC_PER_MSEC); 37067ccdecdSJiri Olsa 37167ccdecdSJiri Olsa /* 37267ccdecdSJiri Olsa * We need to enable counters only if: 37367ccdecdSJiri Olsa * - we don't have tracee (attaching to task or cpu) 37467ccdecdSJiri Olsa * - we have initial delay configured 37567ccdecdSJiri Olsa */ 37667ccdecdSJiri Olsa if (!target__none(&target) || initial_delay) 377ab46db0aSJiri Olsa perf_evlist__enable(evsel_list); 37841191688SAndi Kleen } 37941191688SAndi Kleen 3803df33effSMark Rutland static void disable_counters(void) 3813df33effSMark Rutland { 3823df33effSMark Rutland /* 3833df33effSMark Rutland * If we don't have tracee (attaching to task or cpu), counters may 3843df33effSMark Rutland * still be running. To get accurate group ratios, we must stop groups 3853df33effSMark Rutland * from counting before reading their constituent counters. 3863df33effSMark Rutland */ 3873df33effSMark Rutland if (!target__none(&target)) 3883df33effSMark Rutland perf_evlist__disable(evsel_list); 3893df33effSMark Rutland } 3903df33effSMark Rutland 391f33cbe72SArnaldo Carvalho de Melo static volatile int workload_exec_errno; 3926af206fdSArnaldo Carvalho de Melo 3936af206fdSArnaldo Carvalho de Melo /* 3946af206fdSArnaldo Carvalho de Melo * perf_evlist__prepare_workload will send a SIGUSR1 3956af206fdSArnaldo Carvalho de Melo * if the fork fails, since we asked by setting its 3966af206fdSArnaldo Carvalho de Melo * want_signal to true. 3976af206fdSArnaldo Carvalho de Melo */ 398f33cbe72SArnaldo Carvalho de Melo static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, 399f33cbe72SArnaldo Carvalho de Melo void *ucontext __maybe_unused) 4006af206fdSArnaldo Carvalho de Melo { 401f33cbe72SArnaldo Carvalho de Melo workload_exec_errno = info->si_value.sival_int; 4026af206fdSArnaldo Carvalho de Melo } 4036af206fdSArnaldo Carvalho de Melo 4047b60a7e3SJiri Olsa static bool has_unit(struct perf_evsel *counter) 4057b60a7e3SJiri Olsa { 4067b60a7e3SJiri Olsa return counter->unit && *counter->unit; 4077b60a7e3SJiri Olsa } 4087b60a7e3SJiri Olsa 4097b60a7e3SJiri Olsa static bool has_scale(struct perf_evsel *counter) 4107b60a7e3SJiri Olsa { 4117b60a7e3SJiri Olsa return counter->scale != 1; 4127b60a7e3SJiri Olsa } 4137b60a7e3SJiri Olsa 414664c98d4SJiri Olsa static int perf_stat_synthesize_config(bool is_pipe) 4158b99b1a4SJiri Olsa { 4167b60a7e3SJiri Olsa struct perf_evsel *counter; 4178b99b1a4SJiri Olsa int err; 4188b99b1a4SJiri Olsa 419664c98d4SJiri Olsa if (is_pipe) { 420664c98d4SJiri Olsa err = perf_event__synthesize_attrs(NULL, perf_stat.session, 421664c98d4SJiri Olsa process_synthesized_event); 422664c98d4SJiri Olsa if (err < 0) { 423664c98d4SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 424664c98d4SJiri Olsa return err; 425664c98d4SJiri Olsa } 426664c98d4SJiri Olsa } 427664c98d4SJiri Olsa 4287b60a7e3SJiri Olsa /* 4297b60a7e3SJiri Olsa * Synthesize other events stuff not carried within 4307b60a7e3SJiri Olsa * attr event - unit, scale, name 4317b60a7e3SJiri Olsa */ 432e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 4337b60a7e3SJiri Olsa if (!counter->supported) 4347b60a7e3SJiri Olsa continue; 4357b60a7e3SJiri Olsa 4367b60a7e3SJiri Olsa /* 4377b60a7e3SJiri Olsa * Synthesize unit and scale only if it's defined. 4387b60a7e3SJiri Olsa */ 4397b60a7e3SJiri Olsa if (has_unit(counter)) { 4407b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); 4417b60a7e3SJiri Olsa if (err < 0) { 4427b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel unit.\n"); 4437b60a7e3SJiri Olsa return err; 4447b60a7e3SJiri Olsa } 4457b60a7e3SJiri Olsa } 4467b60a7e3SJiri Olsa 4477b60a7e3SJiri Olsa if (has_scale(counter)) { 4487b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); 4497b60a7e3SJiri Olsa if (err < 0) { 4507b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 4517b60a7e3SJiri Olsa return err; 4527b60a7e3SJiri Olsa } 4537b60a7e3SJiri Olsa } 4547b60a7e3SJiri Olsa 4557b60a7e3SJiri Olsa if (counter->own_cpus) { 4567b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); 4577b60a7e3SJiri Olsa if (err < 0) { 4587b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel scale.\n"); 4597b60a7e3SJiri Olsa return err; 4607b60a7e3SJiri Olsa } 4617b60a7e3SJiri Olsa } 4627b60a7e3SJiri Olsa 4637b60a7e3SJiri Olsa /* 4647b60a7e3SJiri Olsa * Name is needed only for pipe output, 4657b60a7e3SJiri Olsa * perf.data carries event names. 4667b60a7e3SJiri Olsa */ 4677b60a7e3SJiri Olsa if (is_pipe) { 4687b60a7e3SJiri Olsa err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); 4697b60a7e3SJiri Olsa if (err < 0) { 4707b60a7e3SJiri Olsa pr_err("Couldn't synthesize evsel name.\n"); 4717b60a7e3SJiri Olsa return err; 4727b60a7e3SJiri Olsa } 4737b60a7e3SJiri Olsa } 4747b60a7e3SJiri Olsa } 4757b60a7e3SJiri Olsa 4768b99b1a4SJiri Olsa err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, 4778b99b1a4SJiri Olsa process_synthesized_event, 4788b99b1a4SJiri Olsa NULL); 4798b99b1a4SJiri Olsa if (err < 0) { 4808b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4818b99b1a4SJiri Olsa return err; 4828b99b1a4SJiri Olsa } 4838b99b1a4SJiri Olsa 4848b99b1a4SJiri Olsa err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, 4858b99b1a4SJiri Olsa process_synthesized_event, NULL); 4868b99b1a4SJiri Olsa if (err < 0) { 4878b99b1a4SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 4888b99b1a4SJiri Olsa return err; 4898b99b1a4SJiri Olsa } 4908b99b1a4SJiri Olsa 4918b99b1a4SJiri Olsa err = perf_event__synthesize_stat_config(NULL, &stat_config, 4928b99b1a4SJiri Olsa process_synthesized_event, NULL); 4938b99b1a4SJiri Olsa if (err < 0) { 4948b99b1a4SJiri Olsa pr_err("Couldn't synthesize config.\n"); 4958b99b1a4SJiri Olsa return err; 4968b99b1a4SJiri Olsa } 4978b99b1a4SJiri Olsa 4988b99b1a4SJiri Olsa return 0; 4998b99b1a4SJiri Olsa } 5008b99b1a4SJiri Olsa 5012af4646dSJiri Olsa #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 5022af4646dSJiri Olsa 5032af4646dSJiri Olsa static int __store_counter_ids(struct perf_evsel *counter, 5042af4646dSJiri Olsa struct cpu_map *cpus, 5052af4646dSJiri Olsa struct thread_map *threads) 5062af4646dSJiri Olsa { 5072af4646dSJiri Olsa int cpu, thread; 5082af4646dSJiri Olsa 5092af4646dSJiri Olsa for (cpu = 0; cpu < cpus->nr; cpu++) { 5102af4646dSJiri Olsa for (thread = 0; thread < threads->nr; thread++) { 5112af4646dSJiri Olsa int fd = FD(counter, cpu, thread); 5122af4646dSJiri Olsa 5132af4646dSJiri Olsa if (perf_evlist__id_add_fd(evsel_list, counter, 5142af4646dSJiri Olsa cpu, thread, fd) < 0) 5152af4646dSJiri Olsa return -1; 5162af4646dSJiri Olsa } 5172af4646dSJiri Olsa } 5182af4646dSJiri Olsa 5192af4646dSJiri Olsa return 0; 5202af4646dSJiri Olsa } 5212af4646dSJiri Olsa 5222af4646dSJiri Olsa static int store_counter_ids(struct perf_evsel *counter) 5232af4646dSJiri Olsa { 5242af4646dSJiri Olsa struct cpu_map *cpus = counter->cpus; 5252af4646dSJiri Olsa struct thread_map *threads = counter->threads; 5262af4646dSJiri Olsa 5272af4646dSJiri Olsa if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) 5282af4646dSJiri Olsa return -ENOMEM; 5292af4646dSJiri Olsa 5302af4646dSJiri Olsa return __store_counter_ids(counter, cpus, threads); 5312af4646dSJiri Olsa } 5322af4646dSJiri Olsa 533acf28922SNamhyung Kim static int __run_perf_stat(int argc, const char **argv) 53486470930SIngo Molnar { 535ec0d3d1fSJiri Olsa int interval = stat_config.interval; 536d6195a6aSArnaldo Carvalho de Melo char msg[BUFSIZ]; 53786470930SIngo Molnar unsigned long long t0, t1; 538cac21425SJiri Olsa struct perf_evsel *counter; 53913370a9bSStephane Eranian struct timespec ts; 540410136f5SStephane Eranian size_t l; 54142202dd5SIngo Molnar int status = 0; 5426be2850eSZhang, Yanmin const bool forks = (argc > 0); 543664c98d4SJiri Olsa bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false; 5445d8bb1ecSMathieu Poirier struct perf_evsel_config_term *err_term; 54586470930SIngo Molnar 54613370a9bSStephane Eranian if (interval) { 547310ebb93SArnaldo Carvalho de Melo ts.tv_sec = interval / USEC_PER_MSEC; 548310ebb93SArnaldo Carvalho de Melo ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC; 54913370a9bSStephane Eranian } else { 55013370a9bSStephane Eranian ts.tv_sec = 1; 55113370a9bSStephane Eranian ts.tv_nsec = 0; 55213370a9bSStephane Eranian } 55313370a9bSStephane Eranian 554acf28922SNamhyung Kim if (forks) { 555664c98d4SJiri Olsa if (perf_evlist__prepare_workload(evsel_list, &target, argv, is_pipe, 556735f7e0bSArnaldo Carvalho de Melo workload_exec_failed_signal) < 0) { 557acf28922SNamhyung Kim perror("failed to prepare workload"); 558fceda7feSDavid Ahern return -1; 559051ae7f7SPaul Mackerras } 560d20a47e7SNamhyung Kim child_pid = evsel_list->workload.pid; 56160666c63SLiming Wang } 562051ae7f7SPaul Mackerras 5636a4bb04cSJiri Olsa if (group) 56463dab225SArnaldo Carvalho de Melo perf_evlist__set_leader(evsel_list); 5656a4bb04cSJiri Olsa 566e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 56742ef8a78SArnaldo Carvalho de Melo try_again: 568cac21425SJiri Olsa if (create_perf_stat_counter(counter) < 0) { 569979987a5SDavid Ahern /* 570979987a5SDavid Ahern * PPC returns ENXIO for HW counters until 2.6.37 571979987a5SDavid Ahern * (behavior changed with commit b0a873e). 572979987a5SDavid Ahern */ 57338f6ae1eSAnton Blanchard if (errno == EINVAL || errno == ENOSYS || 574979987a5SDavid Ahern errno == ENOENT || errno == EOPNOTSUPP || 575979987a5SDavid Ahern errno == ENXIO) { 576c63ca0c0SDavid Ahern if (verbose) 577c63ca0c0SDavid Ahern ui__warning("%s event is not supported by the kernel.\n", 5787289f83cSArnaldo Carvalho de Melo perf_evsel__name(counter)); 5792cee77c4SDavid Ahern counter->supported = false; 580cb5ef600SKan Liang 581cb5ef600SKan Liang if ((counter->leader != counter) || 582cb5ef600SKan Liang !(counter->leader->nr_members > 1)) 583ede70290SIngo Molnar continue; 58442ef8a78SArnaldo Carvalho de Melo } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { 58542ef8a78SArnaldo Carvalho de Melo if (verbose) 58642ef8a78SArnaldo Carvalho de Melo ui__warning("%s\n", msg); 58742ef8a78SArnaldo Carvalho de Melo goto try_again; 588c63ca0c0SDavid Ahern } 589ede70290SIngo Molnar 59056e52e85SArnaldo Carvalho de Melo perf_evsel__open_strerror(counter, &target, 59156e52e85SArnaldo Carvalho de Melo errno, msg, sizeof(msg)); 59256e52e85SArnaldo Carvalho de Melo ui__error("%s\n", msg); 59356e52e85SArnaldo Carvalho de Melo 594084ab9f8SArnaldo Carvalho de Melo if (child_pid != -1) 595084ab9f8SArnaldo Carvalho de Melo kill(child_pid, SIGTERM); 596fceda7feSDavid Ahern 597084ab9f8SArnaldo Carvalho de Melo return -1; 598084ab9f8SArnaldo Carvalho de Melo } 5992cee77c4SDavid Ahern counter->supported = true; 600410136f5SStephane Eranian 601410136f5SStephane Eranian l = strlen(counter->unit); 602410136f5SStephane Eranian if (l > unit_width) 603410136f5SStephane Eranian unit_width = l; 6042af4646dSJiri Olsa 6052af4646dSJiri Olsa if (STAT_RECORD && store_counter_ids(counter)) 6062af4646dSJiri Olsa return -1; 60748290609SArnaldo Carvalho de Melo } 60886470930SIngo Molnar 60923d4aad4SArnaldo Carvalho de Melo if (perf_evlist__apply_filters(evsel_list, &counter)) { 61023d4aad4SArnaldo Carvalho de Melo error("failed to set filter \"%s\" on event %s with %d (%s)\n", 61123d4aad4SArnaldo Carvalho de Melo counter->filter, perf_evsel__name(counter), errno, 612c8b5f2c9SArnaldo Carvalho de Melo str_error_r(errno, msg, sizeof(msg))); 613cfd748aeSFrederic Weisbecker return -1; 614cfd748aeSFrederic Weisbecker } 615cfd748aeSFrederic Weisbecker 6165d8bb1ecSMathieu Poirier if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) { 6175d8bb1ecSMathieu Poirier error("failed to set config \"%s\" on event %s with %d (%s)\n", 6185d8bb1ecSMathieu Poirier err_term->val.drv_cfg, perf_evsel__name(counter), errno, 6195d8bb1ecSMathieu Poirier str_error_r(errno, msg, sizeof(msg))); 6205d8bb1ecSMathieu Poirier return -1; 6215d8bb1ecSMathieu Poirier } 6225d8bb1ecSMathieu Poirier 6234979d0c7SJiri Olsa if (STAT_RECORD) { 6244979d0c7SJiri Olsa int err, fd = perf_data_file__fd(&perf_stat.file); 6254979d0c7SJiri Olsa 626664c98d4SJiri Olsa if (is_pipe) { 627664c98d4SJiri Olsa err = perf_header__write_pipe(perf_data_file__fd(&perf_stat.file)); 628664c98d4SJiri Olsa } else { 6294979d0c7SJiri Olsa err = perf_session__write_header(perf_stat.session, evsel_list, 6304979d0c7SJiri Olsa fd, false); 631664c98d4SJiri Olsa } 632664c98d4SJiri Olsa 6334979d0c7SJiri Olsa if (err < 0) 6344979d0c7SJiri Olsa return err; 6358b99b1a4SJiri Olsa 636664c98d4SJiri Olsa err = perf_stat_synthesize_config(is_pipe); 6378b99b1a4SJiri Olsa if (err < 0) 6388b99b1a4SJiri Olsa return err; 6394979d0c7SJiri Olsa } 6404979d0c7SJiri Olsa 64186470930SIngo Molnar /* 64286470930SIngo Molnar * Enable counters and exec the command: 64386470930SIngo Molnar */ 64486470930SIngo Molnar t0 = rdclock(); 64513370a9bSStephane Eranian clock_gettime(CLOCK_MONOTONIC, &ref_time); 64686470930SIngo Molnar 64760666c63SLiming Wang if (forks) { 648acf28922SNamhyung Kim perf_evlist__start_workload(evsel_list); 64967ccdecdSJiri Olsa enable_counters(); 650acf28922SNamhyung Kim 65113370a9bSStephane Eranian if (interval) { 65213370a9bSStephane Eranian while (!waitpid(child_pid, &status, WNOHANG)) { 65313370a9bSStephane Eranian nanosleep(&ts, NULL); 654ba411a95SJiri Olsa process_interval(); 65513370a9bSStephane Eranian } 65613370a9bSStephane Eranian } 65742202dd5SIngo Molnar wait(&status); 6586af206fdSArnaldo Carvalho de Melo 659f33cbe72SArnaldo Carvalho de Melo if (workload_exec_errno) { 660c8b5f2c9SArnaldo Carvalho de Melo const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); 661f33cbe72SArnaldo Carvalho de Melo pr_err("Workload failed: %s\n", emsg); 6626af206fdSArnaldo Carvalho de Melo return -1; 663f33cbe72SArnaldo Carvalho de Melo } 6646af206fdSArnaldo Carvalho de Melo 66533e49ea7SAndi Kleen if (WIFSIGNALED(status)) 66633e49ea7SAndi Kleen psignal(WTERMSIG(status), argv[0]); 66760666c63SLiming Wang } else { 66867ccdecdSJiri Olsa enable_counters(); 66913370a9bSStephane Eranian while (!done) { 67013370a9bSStephane Eranian nanosleep(&ts, NULL); 67113370a9bSStephane Eranian if (interval) 672ba411a95SJiri Olsa process_interval(); 67313370a9bSStephane Eranian } 67460666c63SLiming Wang } 67586470930SIngo Molnar 6763df33effSMark Rutland disable_counters(); 6773df33effSMark Rutland 67886470930SIngo Molnar t1 = rdclock(); 67986470930SIngo Molnar 6809e9772c4SPeter Zijlstra update_stats(&walltime_nsecs_stats, t1 - t0); 68142202dd5SIngo Molnar 6823df33effSMark Rutland /* 6833df33effSMark Rutland * Closing a group leader splits the group, and as we only disable 6843df33effSMark Rutland * group leaders, results in remaining events becoming enabled. To 6853df33effSMark Rutland * avoid arbitrary skew, we must read all counters before closing any 6863df33effSMark Rutland * group leaders. 6873df33effSMark Rutland */ 6883df33effSMark Rutland read_counters(); 6893df33effSMark Rutland perf_evlist__close(evsel_list); 690c52b12edSArnaldo Carvalho de Melo 69142202dd5SIngo Molnar return WEXITSTATUS(status); 69242202dd5SIngo Molnar } 69342202dd5SIngo Molnar 69441cde476SArnaldo Carvalho de Melo static int run_perf_stat(int argc, const char **argv) 6951f16c575SPeter Zijlstra { 6961f16c575SPeter Zijlstra int ret; 6971f16c575SPeter Zijlstra 6981f16c575SPeter Zijlstra if (pre_cmd) { 6991f16c575SPeter Zijlstra ret = system(pre_cmd); 7001f16c575SPeter Zijlstra if (ret) 7011f16c575SPeter Zijlstra return ret; 7021f16c575SPeter Zijlstra } 7031f16c575SPeter Zijlstra 7041f16c575SPeter Zijlstra if (sync_run) 7051f16c575SPeter Zijlstra sync(); 7061f16c575SPeter Zijlstra 7071f16c575SPeter Zijlstra ret = __run_perf_stat(argc, argv); 7081f16c575SPeter Zijlstra if (ret) 7091f16c575SPeter Zijlstra return ret; 7101f16c575SPeter Zijlstra 7111f16c575SPeter Zijlstra if (post_cmd) { 7121f16c575SPeter Zijlstra ret = system(post_cmd); 7131f16c575SPeter Zijlstra if (ret) 7141f16c575SPeter Zijlstra return ret; 7151f16c575SPeter Zijlstra } 7161f16c575SPeter Zijlstra 7171f16c575SPeter Zijlstra return ret; 7181f16c575SPeter Zijlstra } 7191f16c575SPeter Zijlstra 720d73515c0SAndi Kleen static void print_running(u64 run, u64 ena) 721d73515c0SAndi Kleen { 722d73515c0SAndi Kleen if (csv_output) { 7235821522eSJiri Olsa fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", 724d73515c0SAndi Kleen csv_sep, 725d73515c0SAndi Kleen run, 726d73515c0SAndi Kleen csv_sep, 727d73515c0SAndi Kleen ena ? 100.0 * run / ena : 100.0); 728d73515c0SAndi Kleen } else if (run != ena) { 7295821522eSJiri Olsa fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); 730d73515c0SAndi Kleen } 731d73515c0SAndi Kleen } 732d73515c0SAndi Kleen 733f99844cbSIngo Molnar static void print_noise_pct(double total, double avg) 734f99844cbSIngo Molnar { 7350007eceaSXiao Guangrong double pct = rel_stddev_stats(total, avg); 736f99844cbSIngo Molnar 7373ae9a34dSZhengyu He if (csv_output) 7385821522eSJiri Olsa fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); 739a1bca6ccSJim Cromie else if (pct) 7405821522eSJiri Olsa fprintf(stat_config.output, " ( +-%6.2f%% )", pct); 741f99844cbSIngo Molnar } 742f99844cbSIngo Molnar 74369aad6f1SArnaldo Carvalho de Melo static void print_noise(struct perf_evsel *evsel, double avg) 74442202dd5SIngo Molnar { 745581cc8a2SJiri Olsa struct perf_stat_evsel *ps; 74669aad6f1SArnaldo Carvalho de Melo 747849abde9SPeter Zijlstra if (run_count == 1) 748849abde9SPeter Zijlstra return; 749849abde9SPeter Zijlstra 75069aad6f1SArnaldo Carvalho de Melo ps = evsel->priv; 751f99844cbSIngo Molnar print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); 75242202dd5SIngo Molnar } 75342202dd5SIngo Molnar 75412c08a9fSStephane Eranian static void aggr_printout(struct perf_evsel *evsel, int id, int nr) 75542202dd5SIngo Molnar { 756421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 75712c08a9fSStephane Eranian case AGGR_CORE: 7585821522eSJiri Olsa fprintf(stat_config.output, "S%d-C%*d%s%*d%s", 75912c08a9fSStephane Eranian cpu_map__id_to_socket(id), 76012c08a9fSStephane Eranian csv_output ? 0 : -8, 76112c08a9fSStephane Eranian cpu_map__id_to_cpu(id), 76212c08a9fSStephane Eranian csv_sep, 76312c08a9fSStephane Eranian csv_output ? 0 : 4, 76412c08a9fSStephane Eranian nr, 76512c08a9fSStephane Eranian csv_sep); 76612c08a9fSStephane Eranian break; 76786ee6e18SStephane Eranian case AGGR_SOCKET: 7685821522eSJiri Olsa fprintf(stat_config.output, "S%*d%s%*d%s", 769d7e7a451SStephane Eranian csv_output ? 0 : -5, 77012c08a9fSStephane Eranian id, 771d7e7a451SStephane Eranian csv_sep, 772d7e7a451SStephane Eranian csv_output ? 0 : 4, 773d7e7a451SStephane Eranian nr, 774d7e7a451SStephane Eranian csv_sep); 77586ee6e18SStephane Eranian break; 77686ee6e18SStephane Eranian case AGGR_NONE: 7775821522eSJiri Olsa fprintf(stat_config.output, "CPU%*d%s", 778d7470b6aSStephane Eranian csv_output ? 0 : -4, 77912c08a9fSStephane Eranian perf_evsel__cpus(evsel)->map[id], csv_sep); 78086ee6e18SStephane Eranian break; 78132b8af82SJiri Olsa case AGGR_THREAD: 7825821522eSJiri Olsa fprintf(stat_config.output, "%*s-%*d%s", 78332b8af82SJiri Olsa csv_output ? 0 : 16, 78432b8af82SJiri Olsa thread_map__comm(evsel->threads, id), 78532b8af82SJiri Olsa csv_output ? 0 : -8, 78632b8af82SJiri Olsa thread_map__pid(evsel->threads, id), 78732b8af82SJiri Olsa csv_sep); 78832b8af82SJiri Olsa break; 78986ee6e18SStephane Eranian case AGGR_GLOBAL: 790208df99eSJiri Olsa case AGGR_UNSET: 79186ee6e18SStephane Eranian default: 79286ee6e18SStephane Eranian break; 79386ee6e18SStephane Eranian } 79486ee6e18SStephane Eranian } 795d7470b6aSStephane Eranian 796140aeadcSAndi Kleen struct outstate { 797140aeadcSAndi Kleen FILE *fh; 798140aeadcSAndi Kleen bool newline; 799f9483392SAndi Kleen const char *prefix; 80092a61f64SAndi Kleen int nfields; 80144d49a60SAndi Kleen int id, nr; 80244d49a60SAndi Kleen struct perf_evsel *evsel; 803140aeadcSAndi Kleen }; 804140aeadcSAndi Kleen 805140aeadcSAndi Kleen #define METRIC_LEN 35 806140aeadcSAndi Kleen 807140aeadcSAndi Kleen static void new_line_std(void *ctx) 808140aeadcSAndi Kleen { 809140aeadcSAndi Kleen struct outstate *os = ctx; 810140aeadcSAndi Kleen 811140aeadcSAndi Kleen os->newline = true; 812140aeadcSAndi Kleen } 813140aeadcSAndi Kleen 814140aeadcSAndi Kleen static void do_new_line_std(struct outstate *os) 815140aeadcSAndi Kleen { 816140aeadcSAndi Kleen fputc('\n', os->fh); 817f9483392SAndi Kleen fputs(os->prefix, os->fh); 81844d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 819140aeadcSAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 820140aeadcSAndi Kleen fprintf(os->fh, " "); 821140aeadcSAndi Kleen fprintf(os->fh, " "); 822140aeadcSAndi Kleen } 823140aeadcSAndi Kleen 824140aeadcSAndi Kleen static void print_metric_std(void *ctx, const char *color, const char *fmt, 825140aeadcSAndi Kleen const char *unit, double val) 826140aeadcSAndi Kleen { 827140aeadcSAndi Kleen struct outstate *os = ctx; 828140aeadcSAndi Kleen FILE *out = os->fh; 829140aeadcSAndi Kleen int n; 830140aeadcSAndi Kleen bool newline = os->newline; 831140aeadcSAndi Kleen 832140aeadcSAndi Kleen os->newline = false; 833140aeadcSAndi Kleen 834140aeadcSAndi Kleen if (unit == NULL || fmt == NULL) { 835140aeadcSAndi Kleen fprintf(out, "%-*s", METRIC_LEN, ""); 836140aeadcSAndi Kleen return; 837140aeadcSAndi Kleen } 838140aeadcSAndi Kleen 839140aeadcSAndi Kleen if (newline) 840140aeadcSAndi Kleen do_new_line_std(os); 841140aeadcSAndi Kleen 842140aeadcSAndi Kleen n = fprintf(out, " # "); 843140aeadcSAndi Kleen if (color) 844140aeadcSAndi Kleen n += color_fprintf(out, color, fmt, val); 845140aeadcSAndi Kleen else 846140aeadcSAndi Kleen n += fprintf(out, fmt, val); 847140aeadcSAndi Kleen fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 848140aeadcSAndi Kleen } 849140aeadcSAndi Kleen 85092a61f64SAndi Kleen static void new_line_csv(void *ctx) 85192a61f64SAndi Kleen { 85292a61f64SAndi Kleen struct outstate *os = ctx; 85392a61f64SAndi Kleen int i; 85492a61f64SAndi Kleen 85592a61f64SAndi Kleen fputc('\n', os->fh); 85692a61f64SAndi Kleen if (os->prefix) 85792a61f64SAndi Kleen fprintf(os->fh, "%s%s", os->prefix, csv_sep); 85844d49a60SAndi Kleen aggr_printout(os->evsel, os->id, os->nr); 85992a61f64SAndi Kleen for (i = 0; i < os->nfields; i++) 86092a61f64SAndi Kleen fputs(csv_sep, os->fh); 86192a61f64SAndi Kleen } 86292a61f64SAndi Kleen 86392a61f64SAndi Kleen static void print_metric_csv(void *ctx, 86492a61f64SAndi Kleen const char *color __maybe_unused, 86592a61f64SAndi Kleen const char *fmt, const char *unit, double val) 86692a61f64SAndi Kleen { 86792a61f64SAndi Kleen struct outstate *os = ctx; 86892a61f64SAndi Kleen FILE *out = os->fh; 86992a61f64SAndi Kleen char buf[64], *vals, *ends; 87092a61f64SAndi Kleen 87192a61f64SAndi Kleen if (unit == NULL || fmt == NULL) { 87292a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, csv_sep, csv_sep, csv_sep); 87392a61f64SAndi Kleen return; 87492a61f64SAndi Kleen } 87592a61f64SAndi Kleen snprintf(buf, sizeof(buf), fmt, val); 87692a61f64SAndi Kleen vals = buf; 87792a61f64SAndi Kleen while (isspace(*vals)) 87892a61f64SAndi Kleen vals++; 87992a61f64SAndi Kleen ends = vals; 88092a61f64SAndi Kleen while (isdigit(*ends) || *ends == '.') 88192a61f64SAndi Kleen ends++; 88292a61f64SAndi Kleen *ends = 0; 88392a61f64SAndi Kleen while (isspace(*unit)) 88492a61f64SAndi Kleen unit++; 88592a61f64SAndi Kleen fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit); 88692a61f64SAndi Kleen } 88792a61f64SAndi Kleen 88854b50916SAndi Kleen #define METRIC_ONLY_LEN 20 88954b50916SAndi Kleen 89054b50916SAndi Kleen /* Filter out some columns that don't work well in metrics only mode */ 89154b50916SAndi Kleen 89254b50916SAndi Kleen static bool valid_only_metric(const char *unit) 89354b50916SAndi Kleen { 89454b50916SAndi Kleen if (!unit) 89554b50916SAndi Kleen return false; 89654b50916SAndi Kleen if (strstr(unit, "/sec") || 89754b50916SAndi Kleen strstr(unit, "hz") || 89854b50916SAndi Kleen strstr(unit, "Hz") || 89954b50916SAndi Kleen strstr(unit, "CPUs utilized")) 90054b50916SAndi Kleen return false; 90154b50916SAndi Kleen return true; 90254b50916SAndi Kleen } 90354b50916SAndi Kleen 90454b50916SAndi Kleen static const char *fixunit(char *buf, struct perf_evsel *evsel, 90554b50916SAndi Kleen const char *unit) 90654b50916SAndi Kleen { 90754b50916SAndi Kleen if (!strncmp(unit, "of all", 6)) { 90854b50916SAndi Kleen snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel), 90954b50916SAndi Kleen unit); 91054b50916SAndi Kleen return buf; 91154b50916SAndi Kleen } 91254b50916SAndi Kleen return unit; 91354b50916SAndi Kleen } 91454b50916SAndi Kleen 91554b50916SAndi Kleen static void print_metric_only(void *ctx, const char *color, const char *fmt, 91654b50916SAndi Kleen const char *unit, double val) 91754b50916SAndi Kleen { 91854b50916SAndi Kleen struct outstate *os = ctx; 91954b50916SAndi Kleen FILE *out = os->fh; 92054b50916SAndi Kleen int n; 92154b50916SAndi Kleen char buf[1024]; 92254b50916SAndi Kleen unsigned mlen = METRIC_ONLY_LEN; 92354b50916SAndi Kleen 92454b50916SAndi Kleen if (!valid_only_metric(unit)) 92554b50916SAndi Kleen return; 92654b50916SAndi Kleen unit = fixunit(buf, os->evsel, unit); 92754b50916SAndi Kleen if (color) 92854b50916SAndi Kleen n = color_fprintf(out, color, fmt, val); 92954b50916SAndi Kleen else 93054b50916SAndi Kleen n = fprintf(out, fmt, val); 93154b50916SAndi Kleen if (n > METRIC_ONLY_LEN) 93254b50916SAndi Kleen n = METRIC_ONLY_LEN; 93354b50916SAndi Kleen if (mlen < strlen(unit)) 93454b50916SAndi Kleen mlen = strlen(unit) + 1; 93554b50916SAndi Kleen fprintf(out, "%*s", mlen - n, ""); 93654b50916SAndi Kleen } 93754b50916SAndi Kleen 93854b50916SAndi Kleen static void print_metric_only_csv(void *ctx, const char *color __maybe_unused, 93954b50916SAndi Kleen const char *fmt, 94054b50916SAndi Kleen const char *unit, double val) 94154b50916SAndi Kleen { 94254b50916SAndi Kleen struct outstate *os = ctx; 94354b50916SAndi Kleen FILE *out = os->fh; 94454b50916SAndi Kleen char buf[64], *vals, *ends; 94554b50916SAndi Kleen char tbuf[1024]; 94654b50916SAndi Kleen 94754b50916SAndi Kleen if (!valid_only_metric(unit)) 94854b50916SAndi Kleen return; 94954b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 95054b50916SAndi Kleen snprintf(buf, sizeof buf, fmt, val); 95154b50916SAndi Kleen vals = buf; 95254b50916SAndi Kleen while (isspace(*vals)) 95354b50916SAndi Kleen vals++; 95454b50916SAndi Kleen ends = vals; 95554b50916SAndi Kleen while (isdigit(*ends) || *ends == '.') 95654b50916SAndi Kleen ends++; 95754b50916SAndi Kleen *ends = 0; 95854b50916SAndi Kleen fprintf(out, "%s%s", vals, csv_sep); 95954b50916SAndi Kleen } 96054b50916SAndi Kleen 96154b50916SAndi Kleen static void new_line_metric(void *ctx __maybe_unused) 96254b50916SAndi Kleen { 96354b50916SAndi Kleen } 96454b50916SAndi Kleen 96554b50916SAndi Kleen static void print_metric_header(void *ctx, const char *color __maybe_unused, 96654b50916SAndi Kleen const char *fmt __maybe_unused, 96754b50916SAndi Kleen const char *unit, double val __maybe_unused) 96854b50916SAndi Kleen { 96954b50916SAndi Kleen struct outstate *os = ctx; 97054b50916SAndi Kleen char tbuf[1024]; 97154b50916SAndi Kleen 97254b50916SAndi Kleen if (!valid_only_metric(unit)) 97354b50916SAndi Kleen return; 97454b50916SAndi Kleen unit = fixunit(tbuf, os->evsel, unit); 97554b50916SAndi Kleen if (csv_output) 97654b50916SAndi Kleen fprintf(os->fh, "%s%s", unit, csv_sep); 97754b50916SAndi Kleen else 97854b50916SAndi Kleen fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit); 97954b50916SAndi Kleen } 98054b50916SAndi Kleen 981da88c7f7SAndi Kleen static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) 98286ee6e18SStephane Eranian { 9835821522eSJiri Olsa FILE *output = stat_config.output; 984310ebb93SArnaldo Carvalho de Melo double msecs = avg / NSEC_PER_MSEC; 985410136f5SStephane Eranian const char *fmt_v, *fmt_n; 9864bbe5a61SDavid Ahern char name[25]; 98786ee6e18SStephane Eranian 988410136f5SStephane Eranian fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; 989410136f5SStephane Eranian fmt_n = csv_output ? "%s" : "%-25s"; 990410136f5SStephane Eranian 991da88c7f7SAndi Kleen aggr_printout(evsel, id, nr); 99286ee6e18SStephane Eranian 9934bbe5a61SDavid Ahern scnprintf(name, sizeof(name), "%s%s", 9944bbe5a61SDavid Ahern perf_evsel__name(evsel), csv_output ? "" : " (msec)"); 995410136f5SStephane Eranian 996410136f5SStephane Eranian fprintf(output, fmt_v, msecs, csv_sep); 997410136f5SStephane Eranian 998410136f5SStephane Eranian if (csv_output) 999410136f5SStephane Eranian fprintf(output, "%s%s", evsel->unit, csv_sep); 1000410136f5SStephane Eranian else 1001410136f5SStephane Eranian fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); 1002410136f5SStephane Eranian 1003410136f5SStephane Eranian fprintf(output, fmt_n, name); 1004d7470b6aSStephane Eranian 1005023695d9SStephane Eranian if (evsel->cgrp) 10064aa9015fSStephane Eranian fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 100742202dd5SIngo Molnar } 100842202dd5SIngo Molnar 100944d49a60SAndi Kleen static int first_shadow_cpu(struct perf_evsel *evsel, int id) 101044d49a60SAndi Kleen { 101144d49a60SAndi Kleen int i; 101244d49a60SAndi Kleen 101344d49a60SAndi Kleen if (!aggr_get_id) 101444d49a60SAndi Kleen return 0; 101544d49a60SAndi Kleen 101644d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_NONE) 101744d49a60SAndi Kleen return id; 101844d49a60SAndi Kleen 101944d49a60SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL) 102044d49a60SAndi Kleen return 0; 102144d49a60SAndi Kleen 102244d49a60SAndi Kleen for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { 102344d49a60SAndi Kleen int cpu2 = perf_evsel__cpus(evsel)->map[i]; 102444d49a60SAndi Kleen 102544d49a60SAndi Kleen if (aggr_get_id(evsel_list->cpus, cpu2) == id) 102644d49a60SAndi Kleen return cpu2; 102744d49a60SAndi Kleen } 102844d49a60SAndi Kleen return 0; 102944d49a60SAndi Kleen } 103044d49a60SAndi Kleen 1031556b1fb7SJiri Olsa static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) 1032556b1fb7SJiri Olsa { 10335821522eSJiri Olsa FILE *output = stat_config.output; 1034556b1fb7SJiri Olsa double sc = evsel->scale; 1035556b1fb7SJiri Olsa const char *fmt; 1036556b1fb7SJiri Olsa 1037556b1fb7SJiri Olsa if (csv_output) { 1038e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; 1039556b1fb7SJiri Olsa } else { 1040556b1fb7SJiri Olsa if (big_num) 1041e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s"; 1042556b1fb7SJiri Olsa else 1043e3b03b6cSAndi Kleen fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s"; 1044556b1fb7SJiri Olsa } 1045556b1fb7SJiri Olsa 1046556b1fb7SJiri Olsa aggr_printout(evsel, id, nr); 1047556b1fb7SJiri Olsa 1048556b1fb7SJiri Olsa fprintf(output, fmt, avg, csv_sep); 1049556b1fb7SJiri Olsa 1050556b1fb7SJiri Olsa if (evsel->unit) 1051556b1fb7SJiri Olsa fprintf(output, "%-*s%s", 1052556b1fb7SJiri Olsa csv_output ? 0 : unit_width, 1053556b1fb7SJiri Olsa evsel->unit, csv_sep); 1054556b1fb7SJiri Olsa 1055556b1fb7SJiri Olsa fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); 1056556b1fb7SJiri Olsa 1057556b1fb7SJiri Olsa if (evsel->cgrp) 1058556b1fb7SJiri Olsa fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); 1059eedfcb4bSAndi Kleen } 1060556b1fb7SJiri Olsa 1061f9483392SAndi Kleen static void printout(int id, int nr, struct perf_evsel *counter, double uval, 1062cb110f47SAndi Kleen char *prefix, u64 run, u64 ena, double noise) 1063eedfcb4bSAndi Kleen { 1064140aeadcSAndi Kleen struct perf_stat_output_ctx out; 1065f9483392SAndi Kleen struct outstate os = { 1066f9483392SAndi Kleen .fh = stat_config.output, 106744d49a60SAndi Kleen .prefix = prefix ? prefix : "", 106844d49a60SAndi Kleen .id = id, 106944d49a60SAndi Kleen .nr = nr, 107044d49a60SAndi Kleen .evsel = counter, 1071f9483392SAndi Kleen }; 1072140aeadcSAndi Kleen print_metric_t pm = print_metric_std; 1073140aeadcSAndi Kleen void (*nl)(void *); 1074556b1fb7SJiri Olsa 107554b50916SAndi Kleen if (metric_only) { 107654b50916SAndi Kleen nl = new_line_metric; 107754b50916SAndi Kleen if (csv_output) 107854b50916SAndi Kleen pm = print_metric_only_csv; 107954b50916SAndi Kleen else 108054b50916SAndi Kleen pm = print_metric_only; 108154b50916SAndi Kleen } else 1082140aeadcSAndi Kleen nl = new_line_std; 1083eedfcb4bSAndi Kleen 108454b50916SAndi Kleen if (csv_output && !metric_only) { 108592a61f64SAndi Kleen static int aggr_fields[] = { 108692a61f64SAndi Kleen [AGGR_GLOBAL] = 0, 108792a61f64SAndi Kleen [AGGR_THREAD] = 1, 108892a61f64SAndi Kleen [AGGR_NONE] = 1, 108992a61f64SAndi Kleen [AGGR_SOCKET] = 2, 109092a61f64SAndi Kleen [AGGR_CORE] = 2, 109192a61f64SAndi Kleen }; 109292a61f64SAndi Kleen 109392a61f64SAndi Kleen pm = print_metric_csv; 109492a61f64SAndi Kleen nl = new_line_csv; 109592a61f64SAndi Kleen os.nfields = 3; 109692a61f64SAndi Kleen os.nfields += aggr_fields[stat_config.aggr_mode]; 109792a61f64SAndi Kleen if (counter->cgrp) 109892a61f64SAndi Kleen os.nfields++; 109992a61f64SAndi Kleen } 1100b002f3bbSAndi Kleen if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 110154b50916SAndi Kleen if (metric_only) { 110254b50916SAndi Kleen pm(&os, NULL, "", "", 0); 110354b50916SAndi Kleen return; 110454b50916SAndi Kleen } 1105cb110f47SAndi Kleen aggr_printout(counter, id, nr); 1106cb110f47SAndi Kleen 1107cb110f47SAndi Kleen fprintf(stat_config.output, "%*s%s", 1108cb110f47SAndi Kleen csv_output ? 0 : 18, 1109cb110f47SAndi Kleen counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, 1110cb110f47SAndi Kleen csv_sep); 1111cb110f47SAndi Kleen 1112cb110f47SAndi Kleen fprintf(stat_config.output, "%-*s%s", 1113cb110f47SAndi Kleen csv_output ? 0 : unit_width, 1114cb110f47SAndi Kleen counter->unit, csv_sep); 1115cb110f47SAndi Kleen 1116cb110f47SAndi Kleen fprintf(stat_config.output, "%*s", 1117cb110f47SAndi Kleen csv_output ? 0 : -25, 1118cb110f47SAndi Kleen perf_evsel__name(counter)); 1119cb110f47SAndi Kleen 1120cb110f47SAndi Kleen if (counter->cgrp) 1121cb110f47SAndi Kleen fprintf(stat_config.output, "%s%s", 1122cb110f47SAndi Kleen csv_sep, counter->cgrp->name); 1123cb110f47SAndi Kleen 112492a61f64SAndi Kleen if (!csv_output) 112592a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 112692a61f64SAndi Kleen print_noise(counter, noise); 1127cb110f47SAndi Kleen print_running(run, ena); 112892a61f64SAndi Kleen if (csv_output) 112992a61f64SAndi Kleen pm(&os, NULL, NULL, "", 0); 1130cb110f47SAndi Kleen return; 1131cb110f47SAndi Kleen } 1132cb110f47SAndi Kleen 113354b50916SAndi Kleen if (metric_only) 113454b50916SAndi Kleen /* nothing */; 113554b50916SAndi Kleen else if (nsec_counter(counter)) 1136eedfcb4bSAndi Kleen nsec_printout(id, nr, counter, uval); 1137eedfcb4bSAndi Kleen else 1138eedfcb4bSAndi Kleen abs_printout(id, nr, counter, uval); 1139eedfcb4bSAndi Kleen 1140140aeadcSAndi Kleen out.print_metric = pm; 1141140aeadcSAndi Kleen out.new_line = nl; 1142140aeadcSAndi Kleen out.ctx = &os; 1143140aeadcSAndi Kleen 114454b50916SAndi Kleen if (csv_output && !metric_only) { 114592a61f64SAndi Kleen print_noise(counter, noise); 114692a61f64SAndi Kleen print_running(run, ena); 114792a61f64SAndi Kleen } 114892a61f64SAndi Kleen 1149140aeadcSAndi Kleen perf_stat__print_shadow_stats(counter, uval, 115044d49a60SAndi Kleen first_shadow_cpu(counter, id), 1151140aeadcSAndi Kleen &out); 115254b50916SAndi Kleen if (!csv_output && !metric_only) { 1153cb110f47SAndi Kleen print_noise(counter, noise); 1154cb110f47SAndi Kleen print_running(run, ena); 1155556b1fb7SJiri Olsa } 115692a61f64SAndi Kleen } 1157556b1fb7SJiri Olsa 115844d49a60SAndi Kleen static void aggr_update_shadow(void) 115944d49a60SAndi Kleen { 116044d49a60SAndi Kleen int cpu, s2, id, s; 116144d49a60SAndi Kleen u64 val; 116244d49a60SAndi Kleen struct perf_evsel *counter; 116344d49a60SAndi Kleen 116444d49a60SAndi Kleen for (s = 0; s < aggr_map->nr; s++) { 116544d49a60SAndi Kleen id = aggr_map->map[s]; 1166e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 116744d49a60SAndi Kleen val = 0; 116844d49a60SAndi Kleen for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 116944d49a60SAndi Kleen s2 = aggr_get_id(evsel_list->cpus, cpu); 117044d49a60SAndi Kleen if (s2 != id) 117144d49a60SAndi Kleen continue; 117244d49a60SAndi Kleen val += perf_counts(counter->counts, cpu, 0)->val; 117344d49a60SAndi Kleen } 117444d49a60SAndi Kleen val = val * counter->scale; 117544d49a60SAndi Kleen perf_stat__update_shadow_stats(counter, &val, 117644d49a60SAndi Kleen first_shadow_cpu(counter, id)); 117744d49a60SAndi Kleen } 117844d49a60SAndi Kleen } 117944d49a60SAndi Kleen } 118044d49a60SAndi Kleen 118186ee6e18SStephane Eranian static void print_aggr(char *prefix) 1182d7e7a451SStephane Eranian { 11835821522eSJiri Olsa FILE *output = stat_config.output; 1184d7e7a451SStephane Eranian struct perf_evsel *counter; 1185601083cfSKan Liang int cpu, s, s2, id, nr; 1186410136f5SStephane Eranian double uval; 1187d7e7a451SStephane Eranian u64 ena, run, val; 118854b50916SAndi Kleen bool first; 1189d7e7a451SStephane Eranian 119086ee6e18SStephane Eranian if (!(aggr_map || aggr_get_id)) 1191d7e7a451SStephane Eranian return; 1192d7e7a451SStephane Eranian 119344d49a60SAndi Kleen aggr_update_shadow(); 119444d49a60SAndi Kleen 119554b50916SAndi Kleen /* 119654b50916SAndi Kleen * With metric_only everything is on a single line. 119754b50916SAndi Kleen * Without each counter has its own line. 119854b50916SAndi Kleen */ 119986ee6e18SStephane Eranian for (s = 0; s < aggr_map->nr; s++) { 120054b50916SAndi Kleen if (prefix && metric_only) 120154b50916SAndi Kleen fprintf(output, "%s", prefix); 120254b50916SAndi Kleen 120386ee6e18SStephane Eranian id = aggr_map->map[s]; 120454b50916SAndi Kleen first = true; 1205e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1206d7e7a451SStephane Eranian val = ena = run = 0; 1207d7e7a451SStephane Eranian nr = 0; 1208d7e7a451SStephane Eranian for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1209601083cfSKan Liang s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); 121086ee6e18SStephane Eranian if (s2 != id) 1211d7e7a451SStephane Eranian continue; 1212a6fa0038SJiri Olsa val += perf_counts(counter->counts, cpu, 0)->val; 1213a6fa0038SJiri Olsa ena += perf_counts(counter->counts, cpu, 0)->ena; 1214a6fa0038SJiri Olsa run += perf_counts(counter->counts, cpu, 0)->run; 1215d7e7a451SStephane Eranian nr++; 1216d7e7a451SStephane Eranian } 121754b50916SAndi Kleen if (first && metric_only) { 121854b50916SAndi Kleen first = false; 121954b50916SAndi Kleen aggr_printout(counter, id, nr); 122054b50916SAndi Kleen } 122154b50916SAndi Kleen if (prefix && !metric_only) 1222d7e7a451SStephane Eranian fprintf(output, "%s", prefix); 1223d7e7a451SStephane Eranian 1224410136f5SStephane Eranian uval = val * counter->scale; 1225cb110f47SAndi Kleen printout(id, nr, counter, uval, prefix, run, ena, 1.0); 122654b50916SAndi Kleen if (!metric_only) 1227d7e7a451SStephane Eranian fputc('\n', output); 1228d7e7a451SStephane Eranian } 122954b50916SAndi Kleen if (metric_only) 123054b50916SAndi Kleen fputc('\n', output); 1231d7e7a451SStephane Eranian } 1232d7e7a451SStephane Eranian } 1233d7e7a451SStephane Eranian 123432b8af82SJiri Olsa static void print_aggr_thread(struct perf_evsel *counter, char *prefix) 123532b8af82SJiri Olsa { 12365821522eSJiri Olsa FILE *output = stat_config.output; 123732b8af82SJiri Olsa int nthreads = thread_map__nr(counter->threads); 123832b8af82SJiri Olsa int ncpus = cpu_map__nr(counter->cpus); 123932b8af82SJiri Olsa int cpu, thread; 124032b8af82SJiri Olsa double uval; 124132b8af82SJiri Olsa 124232b8af82SJiri Olsa for (thread = 0; thread < nthreads; thread++) { 124332b8af82SJiri Olsa u64 ena = 0, run = 0, val = 0; 124432b8af82SJiri Olsa 124532b8af82SJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 124632b8af82SJiri Olsa val += perf_counts(counter->counts, cpu, thread)->val; 124732b8af82SJiri Olsa ena += perf_counts(counter->counts, cpu, thread)->ena; 124832b8af82SJiri Olsa run += perf_counts(counter->counts, cpu, thread)->run; 124932b8af82SJiri Olsa } 125032b8af82SJiri Olsa 125132b8af82SJiri Olsa if (prefix) 125232b8af82SJiri Olsa fprintf(output, "%s", prefix); 125332b8af82SJiri Olsa 125432b8af82SJiri Olsa uval = val * counter->scale; 1255cb110f47SAndi Kleen printout(thread, 0, counter, uval, prefix, run, ena, 1.0); 125632b8af82SJiri Olsa fputc('\n', output); 125732b8af82SJiri Olsa } 125832b8af82SJiri Olsa } 125932b8af82SJiri Olsa 126042202dd5SIngo Molnar /* 126142202dd5SIngo Molnar * Print out the results of a single counter: 1262f5b4a9c3SStephane Eranian * aggregated counts in system-wide mode 126342202dd5SIngo Molnar */ 126413370a9bSStephane Eranian static void print_counter_aggr(struct perf_evsel *counter, char *prefix) 126542202dd5SIngo Molnar { 12665821522eSJiri Olsa FILE *output = stat_config.output; 1267581cc8a2SJiri Olsa struct perf_stat_evsel *ps = counter->priv; 126869aad6f1SArnaldo Carvalho de Melo double avg = avg_stats(&ps->res_stats[0]); 1269410136f5SStephane Eranian double uval; 1270d73515c0SAndi Kleen double avg_enabled, avg_running; 1271d73515c0SAndi Kleen 1272d73515c0SAndi Kleen avg_enabled = avg_stats(&ps->res_stats[1]); 1273d73515c0SAndi Kleen avg_running = avg_stats(&ps->res_stats[2]); 127442202dd5SIngo Molnar 127554b50916SAndi Kleen if (prefix && !metric_only) 127613370a9bSStephane Eranian fprintf(output, "%s", prefix); 127713370a9bSStephane Eranian 1278410136f5SStephane Eranian uval = avg * counter->scale; 1279cb110f47SAndi Kleen printout(-1, 0, counter, uval, prefix, avg_running, avg_enabled, avg); 128054b50916SAndi Kleen if (!metric_only) 12814aa9015fSStephane Eranian fprintf(output, "\n"); 128242202dd5SIngo Molnar } 128342202dd5SIngo Molnar 1284f5b4a9c3SStephane Eranian /* 1285f5b4a9c3SStephane Eranian * Print out the results of a single counter: 1286f5b4a9c3SStephane Eranian * does not use aggregated count in system-wide 1287f5b4a9c3SStephane Eranian */ 128813370a9bSStephane Eranian static void print_counter(struct perf_evsel *counter, char *prefix) 1289f5b4a9c3SStephane Eranian { 12905821522eSJiri Olsa FILE *output = stat_config.output; 1291f5b4a9c3SStephane Eranian u64 ena, run, val; 1292410136f5SStephane Eranian double uval; 1293f5b4a9c3SStephane Eranian int cpu; 1294f5b4a9c3SStephane Eranian 12957ae92e74SYan, Zheng for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { 1296a6fa0038SJiri Olsa val = perf_counts(counter->counts, cpu, 0)->val; 1297a6fa0038SJiri Olsa ena = perf_counts(counter->counts, cpu, 0)->ena; 1298a6fa0038SJiri Olsa run = perf_counts(counter->counts, cpu, 0)->run; 129913370a9bSStephane Eranian 130013370a9bSStephane Eranian if (prefix) 130113370a9bSStephane Eranian fprintf(output, "%s", prefix); 130213370a9bSStephane Eranian 1303410136f5SStephane Eranian uval = val * counter->scale; 1304cb110f47SAndi Kleen printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); 1305f5b4a9c3SStephane Eranian 13064aa9015fSStephane Eranian fputc('\n', output); 1307f5b4a9c3SStephane Eranian } 1308f5b4a9c3SStephane Eranian } 1309f5b4a9c3SStephane Eranian 1310206cab65SAndi Kleen static void print_no_aggr_metric(char *prefix) 1311206cab65SAndi Kleen { 1312206cab65SAndi Kleen int cpu; 1313206cab65SAndi Kleen int nrcpus = 0; 1314206cab65SAndi Kleen struct perf_evsel *counter; 1315206cab65SAndi Kleen u64 ena, run, val; 1316206cab65SAndi Kleen double uval; 1317206cab65SAndi Kleen 1318206cab65SAndi Kleen nrcpus = evsel_list->cpus->nr; 1319206cab65SAndi Kleen for (cpu = 0; cpu < nrcpus; cpu++) { 1320206cab65SAndi Kleen bool first = true; 1321206cab65SAndi Kleen 1322206cab65SAndi Kleen if (prefix) 1323206cab65SAndi Kleen fputs(prefix, stat_config.output); 1324e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 1325206cab65SAndi Kleen if (first) { 1326206cab65SAndi Kleen aggr_printout(counter, cpu, 0); 1327206cab65SAndi Kleen first = false; 1328206cab65SAndi Kleen } 1329206cab65SAndi Kleen val = perf_counts(counter->counts, cpu, 0)->val; 1330206cab65SAndi Kleen ena = perf_counts(counter->counts, cpu, 0)->ena; 1331206cab65SAndi Kleen run = perf_counts(counter->counts, cpu, 0)->run; 1332206cab65SAndi Kleen 1333206cab65SAndi Kleen uval = val * counter->scale; 1334206cab65SAndi Kleen printout(cpu, 0, counter, uval, prefix, run, ena, 1.0); 1335206cab65SAndi Kleen } 1336206cab65SAndi Kleen fputc('\n', stat_config.output); 1337206cab65SAndi Kleen } 1338206cab65SAndi Kleen } 1339206cab65SAndi Kleen 134054b50916SAndi Kleen static int aggr_header_lens[] = { 134154b50916SAndi Kleen [AGGR_CORE] = 18, 134254b50916SAndi Kleen [AGGR_SOCKET] = 12, 1343206cab65SAndi Kleen [AGGR_NONE] = 6, 134454b50916SAndi Kleen [AGGR_THREAD] = 24, 134554b50916SAndi Kleen [AGGR_GLOBAL] = 0, 134654b50916SAndi Kleen }; 134754b50916SAndi Kleen 1348c51fd639SAndi Kleen static const char *aggr_header_csv[] = { 1349c51fd639SAndi Kleen [AGGR_CORE] = "core,cpus,", 1350c51fd639SAndi Kleen [AGGR_SOCKET] = "socket,cpus", 1351c51fd639SAndi Kleen [AGGR_NONE] = "cpu,", 1352c51fd639SAndi Kleen [AGGR_THREAD] = "comm-pid,", 1353c51fd639SAndi Kleen [AGGR_GLOBAL] = "" 1354c51fd639SAndi Kleen }; 1355c51fd639SAndi Kleen 135641c8ca2aSAndi Kleen static void print_metric_headers(const char *prefix, bool no_indent) 135754b50916SAndi Kleen { 135854b50916SAndi Kleen struct perf_stat_output_ctx out; 135954b50916SAndi Kleen struct perf_evsel *counter; 136054b50916SAndi Kleen struct outstate os = { 136154b50916SAndi Kleen .fh = stat_config.output 136254b50916SAndi Kleen }; 136354b50916SAndi Kleen 136454b50916SAndi Kleen if (prefix) 136554b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 136654b50916SAndi Kleen 136741c8ca2aSAndi Kleen if (!csv_output && !no_indent) 136854b50916SAndi Kleen fprintf(stat_config.output, "%*s", 136954b50916SAndi Kleen aggr_header_lens[stat_config.aggr_mode], ""); 1370c51fd639SAndi Kleen if (csv_output) { 1371c51fd639SAndi Kleen if (stat_config.interval) 1372c51fd639SAndi Kleen fputs("time,", stat_config.output); 1373c51fd639SAndi Kleen fputs(aggr_header_csv[stat_config.aggr_mode], 1374c51fd639SAndi Kleen stat_config.output); 1375c51fd639SAndi Kleen } 137654b50916SAndi Kleen 137754b50916SAndi Kleen /* Print metrics headers only */ 1378e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) { 137954b50916SAndi Kleen os.evsel = counter; 138054b50916SAndi Kleen out.ctx = &os; 138154b50916SAndi Kleen out.print_metric = print_metric_header; 138254b50916SAndi Kleen out.new_line = new_line_metric; 138354b50916SAndi Kleen os.evsel = counter; 138454b50916SAndi Kleen perf_stat__print_shadow_stats(counter, 0, 138554b50916SAndi Kleen 0, 138654b50916SAndi Kleen &out); 138754b50916SAndi Kleen } 138854b50916SAndi Kleen fputc('\n', stat_config.output); 138954b50916SAndi Kleen } 139054b50916SAndi Kleen 1391d4f63a47SJiri Olsa static void print_interval(char *prefix, struct timespec *ts) 139242202dd5SIngo Molnar { 13935821522eSJiri Olsa FILE *output = stat_config.output; 1394d4f63a47SJiri Olsa static int num_print_interval; 1395d4f63a47SJiri Olsa 1396d4f63a47SJiri Olsa sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); 1397d4f63a47SJiri Olsa 139841c8ca2aSAndi Kleen if (num_print_interval == 0 && !csv_output) { 1399421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1400d4f63a47SJiri Olsa case AGGR_SOCKET: 140141c8ca2aSAndi Kleen fprintf(output, "# time socket cpus"); 140241c8ca2aSAndi Kleen if (!metric_only) 140341c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1404d4f63a47SJiri Olsa break; 1405d4f63a47SJiri Olsa case AGGR_CORE: 140641c8ca2aSAndi Kleen fprintf(output, "# time core cpus"); 140741c8ca2aSAndi Kleen if (!metric_only) 140841c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1409d4f63a47SJiri Olsa break; 1410d4f63a47SJiri Olsa case AGGR_NONE: 141141c8ca2aSAndi Kleen fprintf(output, "# time CPU"); 141241c8ca2aSAndi Kleen if (!metric_only) 141341c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1414d4f63a47SJiri Olsa break; 141532b8af82SJiri Olsa case AGGR_THREAD: 141641c8ca2aSAndi Kleen fprintf(output, "# time comm-pid"); 141741c8ca2aSAndi Kleen if (!metric_only) 141841c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 141932b8af82SJiri Olsa break; 1420d4f63a47SJiri Olsa case AGGR_GLOBAL: 1421d4f63a47SJiri Olsa default: 142241c8ca2aSAndi Kleen fprintf(output, "# time"); 142341c8ca2aSAndi Kleen if (!metric_only) 142441c8ca2aSAndi Kleen fprintf(output, " counts %*s events\n", unit_width, "unit"); 1425208df99eSJiri Olsa case AGGR_UNSET: 1426208df99eSJiri Olsa break; 1427d4f63a47SJiri Olsa } 1428d4f63a47SJiri Olsa } 1429d4f63a47SJiri Olsa 143041c8ca2aSAndi Kleen if (num_print_interval == 0 && metric_only) 143141c8ca2aSAndi Kleen print_metric_headers(" ", true); 1432d4f63a47SJiri Olsa if (++num_print_interval == 25) 1433d4f63a47SJiri Olsa num_print_interval = 0; 1434d4f63a47SJiri Olsa } 1435d4f63a47SJiri Olsa 1436d4f63a47SJiri Olsa static void print_header(int argc, const char **argv) 1437d4f63a47SJiri Olsa { 14385821522eSJiri Olsa FILE *output = stat_config.output; 143969aad6f1SArnaldo Carvalho de Melo int i; 144042202dd5SIngo Molnar 144186470930SIngo Molnar fflush(stdout); 144286470930SIngo Molnar 1443d7470b6aSStephane Eranian if (!csv_output) { 14444aa9015fSStephane Eranian fprintf(output, "\n"); 14454aa9015fSStephane Eranian fprintf(output, " Performance counter stats for "); 144662d3b617SDavid Ahern if (target.system_wide) 144762d3b617SDavid Ahern fprintf(output, "\'system wide"); 144862d3b617SDavid Ahern else if (target.cpu_list) 144962d3b617SDavid Ahern fprintf(output, "\'CPU(s) %s", target.cpu_list); 1450602ad878SArnaldo Carvalho de Melo else if (!target__has_task(&target)) { 1451ba6039b6SJiri Olsa fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1452ba6039b6SJiri Olsa for (i = 1; argv && (i < argc); i++) 14534aa9015fSStephane Eranian fprintf(output, " %s", argv[i]); 145420f946b4SNamhyung Kim } else if (target.pid) 145520f946b4SNamhyung Kim fprintf(output, "process id \'%s", target.pid); 1456d6d901c2SZhang, Yanmin else 145720f946b4SNamhyung Kim fprintf(output, "thread id \'%s", target.tid); 145886470930SIngo Molnar 14594aa9015fSStephane Eranian fprintf(output, "\'"); 146042202dd5SIngo Molnar if (run_count > 1) 14614aa9015fSStephane Eranian fprintf(output, " (%d runs)", run_count); 14624aa9015fSStephane Eranian fprintf(output, ":\n\n"); 1463d7470b6aSStephane Eranian } 1464f5b4a9c3SStephane Eranian } 146586470930SIngo Molnar 1466d4f63a47SJiri Olsa static void print_footer(void) 1467d4f63a47SJiri Olsa { 14685821522eSJiri Olsa FILE *output = stat_config.output; 14695821522eSJiri Olsa 1470c3305257SIngo Molnar if (!null_run) 14714aa9015fSStephane Eranian fprintf(output, "\n"); 14724aa9015fSStephane Eranian fprintf(output, " %17.9f seconds time elapsed", 1473310ebb93SArnaldo Carvalho de Melo avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC); 1474566747e6SIngo Molnar if (run_count > 1) { 14754aa9015fSStephane Eranian fprintf(output, " "); 1476f99844cbSIngo Molnar print_noise_pct(stddev_stats(&walltime_nsecs_stats), 1477506d4bc8SPeter Zijlstra avg_stats(&walltime_nsecs_stats)); 1478566747e6SIngo Molnar } 14794aa9015fSStephane Eranian fprintf(output, "\n\n"); 148086470930SIngo Molnar } 1481d4f63a47SJiri Olsa 1482d4f63a47SJiri Olsa static void print_counters(struct timespec *ts, int argc, const char **argv) 1483d4f63a47SJiri Olsa { 1484ec0d3d1fSJiri Olsa int interval = stat_config.interval; 1485d4f63a47SJiri Olsa struct perf_evsel *counter; 1486d4f63a47SJiri Olsa char buf[64], *prefix = NULL; 1487d4f63a47SJiri Olsa 1488664c98d4SJiri Olsa /* Do not print anything if we record to the pipe. */ 1489664c98d4SJiri Olsa if (STAT_RECORD && perf_stat.file.is_pipe) 1490664c98d4SJiri Olsa return; 1491664c98d4SJiri Olsa 1492d4f63a47SJiri Olsa if (interval) 1493d4f63a47SJiri Olsa print_interval(prefix = buf, ts); 1494d4f63a47SJiri Olsa else 1495d4f63a47SJiri Olsa print_header(argc, argv); 1496d4f63a47SJiri Olsa 149754b50916SAndi Kleen if (metric_only) { 149854b50916SAndi Kleen static int num_print_iv; 149954b50916SAndi Kleen 150041c8ca2aSAndi Kleen if (num_print_iv == 0 && !interval) 150141c8ca2aSAndi Kleen print_metric_headers(prefix, false); 150254b50916SAndi Kleen if (num_print_iv++ == 25) 150354b50916SAndi Kleen num_print_iv = 0; 150454b50916SAndi Kleen if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) 150554b50916SAndi Kleen fprintf(stat_config.output, "%s", prefix); 150654b50916SAndi Kleen } 150754b50916SAndi Kleen 1508421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 1509d4f63a47SJiri Olsa case AGGR_CORE: 1510d4f63a47SJiri Olsa case AGGR_SOCKET: 1511d4f63a47SJiri Olsa print_aggr(prefix); 1512d4f63a47SJiri Olsa break; 151332b8af82SJiri Olsa case AGGR_THREAD: 1514e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 151532b8af82SJiri Olsa print_aggr_thread(counter, prefix); 151632b8af82SJiri Olsa break; 1517d4f63a47SJiri Olsa case AGGR_GLOBAL: 1518e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1519d4f63a47SJiri Olsa print_counter_aggr(counter, prefix); 152054b50916SAndi Kleen if (metric_only) 152154b50916SAndi Kleen fputc('\n', stat_config.output); 1522d4f63a47SJiri Olsa break; 1523d4f63a47SJiri Olsa case AGGR_NONE: 1524206cab65SAndi Kleen if (metric_only) 1525206cab65SAndi Kleen print_no_aggr_metric(prefix); 1526206cab65SAndi Kleen else { 1527e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 1528d4f63a47SJiri Olsa print_counter(counter, prefix); 1529206cab65SAndi Kleen } 1530d4f63a47SJiri Olsa break; 1531208df99eSJiri Olsa case AGGR_UNSET: 1532d4f63a47SJiri Olsa default: 1533d4f63a47SJiri Olsa break; 1534d4f63a47SJiri Olsa } 1535d4f63a47SJiri Olsa 1536d4f63a47SJiri Olsa if (!interval && !csv_output) 1537d4f63a47SJiri Olsa print_footer(); 1538d4f63a47SJiri Olsa 15395821522eSJiri Olsa fflush(stat_config.output); 1540d7470b6aSStephane Eranian } 154186470930SIngo Molnar 1542f7b7c26eSPeter Zijlstra static volatile int signr = -1; 1543f7b7c26eSPeter Zijlstra 154486470930SIngo Molnar static void skip_signal(int signo) 154586470930SIngo Molnar { 1546ec0d3d1fSJiri Olsa if ((child_pid == -1) || stat_config.interval) 154760666c63SLiming Wang done = 1; 154860666c63SLiming Wang 1549f7b7c26eSPeter Zijlstra signr = signo; 1550d07f0b12SStephane Eranian /* 1551d07f0b12SStephane Eranian * render child_pid harmless 1552d07f0b12SStephane Eranian * won't send SIGTERM to a random 1553d07f0b12SStephane Eranian * process in case of race condition 1554d07f0b12SStephane Eranian * and fast PID recycling 1555d07f0b12SStephane Eranian */ 1556d07f0b12SStephane Eranian child_pid = -1; 1557f7b7c26eSPeter Zijlstra } 1558f7b7c26eSPeter Zijlstra 1559f7b7c26eSPeter Zijlstra static void sig_atexit(void) 1560f7b7c26eSPeter Zijlstra { 1561d07f0b12SStephane Eranian sigset_t set, oset; 1562d07f0b12SStephane Eranian 1563d07f0b12SStephane Eranian /* 1564d07f0b12SStephane Eranian * avoid race condition with SIGCHLD handler 1565d07f0b12SStephane Eranian * in skip_signal() which is modifying child_pid 1566d07f0b12SStephane Eranian * goal is to avoid send SIGTERM to a random 1567d07f0b12SStephane Eranian * process 1568d07f0b12SStephane Eranian */ 1569d07f0b12SStephane Eranian sigemptyset(&set); 1570d07f0b12SStephane Eranian sigaddset(&set, SIGCHLD); 1571d07f0b12SStephane Eranian sigprocmask(SIG_BLOCK, &set, &oset); 1572d07f0b12SStephane Eranian 1573933da83aSChris Wilson if (child_pid != -1) 1574933da83aSChris Wilson kill(child_pid, SIGTERM); 1575933da83aSChris Wilson 1576d07f0b12SStephane Eranian sigprocmask(SIG_SETMASK, &oset, NULL); 1577d07f0b12SStephane Eranian 1578f7b7c26eSPeter Zijlstra if (signr == -1) 1579f7b7c26eSPeter Zijlstra return; 1580f7b7c26eSPeter Zijlstra 1581f7b7c26eSPeter Zijlstra signal(signr, SIG_DFL); 1582f7b7c26eSPeter Zijlstra kill(getpid(), signr); 158386470930SIngo Molnar } 158486470930SIngo Molnar 15851d037ca1SIrina Tirdea static int stat__set_big_num(const struct option *opt __maybe_unused, 15861d037ca1SIrina Tirdea const char *s __maybe_unused, int unset) 1587d7470b6aSStephane Eranian { 1588d7470b6aSStephane Eranian big_num_opt = unset ? 0 : 1; 1589d7470b6aSStephane Eranian return 0; 1590d7470b6aSStephane Eranian } 1591d7470b6aSStephane Eranian 159244b1e60aSAndi Kleen static int enable_metric_only(const struct option *opt __maybe_unused, 159344b1e60aSAndi Kleen const char *s __maybe_unused, int unset) 159444b1e60aSAndi Kleen { 159544b1e60aSAndi Kleen force_metric_only = true; 159644b1e60aSAndi Kleen metric_only = !unset; 159744b1e60aSAndi Kleen return 0; 159844b1e60aSAndi Kleen } 159944b1e60aSAndi Kleen 1600e0547311SJiri Olsa static const struct option stat_options[] = { 1601e0547311SJiri Olsa OPT_BOOLEAN('T', "transaction", &transaction_run, 1602e0547311SJiri Olsa "hardware transaction statistics"), 1603e0547311SJiri Olsa OPT_CALLBACK('e', "event", &evsel_list, "event", 1604e0547311SJiri Olsa "event selector. use 'perf list' to list available events", 1605e0547311SJiri Olsa parse_events_option), 1606e0547311SJiri Olsa OPT_CALLBACK(0, "filter", &evsel_list, "filter", 1607e0547311SJiri Olsa "event filter", parse_filter), 1608e0547311SJiri Olsa OPT_BOOLEAN('i', "no-inherit", &no_inherit, 1609e0547311SJiri Olsa "child tasks do not inherit counters"), 1610e0547311SJiri Olsa OPT_STRING('p', "pid", &target.pid, "pid", 1611e0547311SJiri Olsa "stat events on existing process id"), 1612e0547311SJiri Olsa OPT_STRING('t', "tid", &target.tid, "tid", 1613e0547311SJiri Olsa "stat events on existing thread id"), 1614e0547311SJiri Olsa OPT_BOOLEAN('a', "all-cpus", &target.system_wide, 1615e0547311SJiri Olsa "system-wide collection from all CPUs"), 1616e0547311SJiri Olsa OPT_BOOLEAN('g', "group", &group, 1617e0547311SJiri Olsa "put the counters into a counter group"), 1618e0547311SJiri Olsa OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), 1619e0547311SJiri Olsa OPT_INCR('v', "verbose", &verbose, 1620e0547311SJiri Olsa "be more verbose (show counter open errors, etc)"), 1621e0547311SJiri Olsa OPT_INTEGER('r', "repeat", &run_count, 1622e0547311SJiri Olsa "repeat command and print average + stddev (max: 100, forever: 0)"), 1623e0547311SJiri Olsa OPT_BOOLEAN('n', "null", &null_run, 1624e0547311SJiri Olsa "null run - dont start any counters"), 1625e0547311SJiri Olsa OPT_INCR('d', "detailed", &detailed_run, 1626e0547311SJiri Olsa "detailed run - start a lot of events"), 1627e0547311SJiri Olsa OPT_BOOLEAN('S', "sync", &sync_run, 1628e0547311SJiri Olsa "call sync() before starting a run"), 1629e0547311SJiri Olsa OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 1630e0547311SJiri Olsa "print large numbers with thousands\' separators", 1631e0547311SJiri Olsa stat__set_big_num), 1632e0547311SJiri Olsa OPT_STRING('C', "cpu", &target.cpu_list, "cpu", 1633e0547311SJiri Olsa "list of cpus to monitor in system-wide"), 1634e0547311SJiri Olsa OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, 1635e0547311SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 1636e0547311SJiri Olsa OPT_STRING('x', "field-separator", &csv_sep, "separator", 1637e0547311SJiri Olsa "print counts with custom separator"), 1638e0547311SJiri Olsa OPT_CALLBACK('G', "cgroup", &evsel_list, "name", 1639e0547311SJiri Olsa "monitor event in cgroup name only", parse_cgroups), 1640e0547311SJiri Olsa OPT_STRING('o', "output", &output_name, "file", "output file name"), 1641e0547311SJiri Olsa OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), 1642e0547311SJiri Olsa OPT_INTEGER(0, "log-fd", &output_fd, 1643e0547311SJiri Olsa "log output to fd, instead of stderr"), 1644e0547311SJiri Olsa OPT_STRING(0, "pre", &pre_cmd, "command", 1645e0547311SJiri Olsa "command to run prior to the measured command"), 1646e0547311SJiri Olsa OPT_STRING(0, "post", &post_cmd, "command", 1647e0547311SJiri Olsa "command to run after to the measured command"), 1648e0547311SJiri Olsa OPT_UINTEGER('I', "interval-print", &stat_config.interval, 1649e0547311SJiri Olsa "print counts at regular interval in ms (>= 10)"), 1650e0547311SJiri Olsa OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, 1651e0547311SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 1652e0547311SJiri Olsa OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, 1653e0547311SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 1654e0547311SJiri Olsa OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, 1655e0547311SJiri Olsa "aggregate counts per thread", AGGR_THREAD), 1656e0547311SJiri Olsa OPT_UINTEGER('D', "delay", &initial_delay, 1657e0547311SJiri Olsa "ms to wait before starting measurement after program start"), 165844b1e60aSAndi Kleen OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL, 165944b1e60aSAndi Kleen "Only print computed metrics. No raw values", enable_metric_only), 166044b1e60aSAndi Kleen OPT_BOOLEAN(0, "topdown", &topdown_run, 166144b1e60aSAndi Kleen "measure topdown level 1 statistics"), 1662e0547311SJiri Olsa OPT_END() 1663e0547311SJiri Olsa }; 1664e0547311SJiri Olsa 16651fe7a300SJiri Olsa static int perf_stat__get_socket(struct cpu_map *map, int cpu) 16661fe7a300SJiri Olsa { 16671fe7a300SJiri Olsa return cpu_map__get_socket(map, cpu, NULL); 16681fe7a300SJiri Olsa } 16691fe7a300SJiri Olsa 16701fe7a300SJiri Olsa static int perf_stat__get_core(struct cpu_map *map, int cpu) 16711fe7a300SJiri Olsa { 16721fe7a300SJiri Olsa return cpu_map__get_core(map, cpu, NULL); 16731fe7a300SJiri Olsa } 16741fe7a300SJiri Olsa 16751e5a2931SJiri Olsa static int cpu_map__get_max(struct cpu_map *map) 16761e5a2931SJiri Olsa { 16771e5a2931SJiri Olsa int i, max = -1; 16781e5a2931SJiri Olsa 16791e5a2931SJiri Olsa for (i = 0; i < map->nr; i++) { 16801e5a2931SJiri Olsa if (map->map[i] > max) 16811e5a2931SJiri Olsa max = map->map[i]; 16821e5a2931SJiri Olsa } 16831e5a2931SJiri Olsa 16841e5a2931SJiri Olsa return max; 16851e5a2931SJiri Olsa } 16861e5a2931SJiri Olsa 16871e5a2931SJiri Olsa static struct cpu_map *cpus_aggr_map; 16881e5a2931SJiri Olsa 16891e5a2931SJiri Olsa static int perf_stat__get_aggr(aggr_get_id_t get_id, struct cpu_map *map, int idx) 16901e5a2931SJiri Olsa { 16911e5a2931SJiri Olsa int cpu; 16921e5a2931SJiri Olsa 16931e5a2931SJiri Olsa if (idx >= map->nr) 16941e5a2931SJiri Olsa return -1; 16951e5a2931SJiri Olsa 16961e5a2931SJiri Olsa cpu = map->map[idx]; 16971e5a2931SJiri Olsa 16981e5a2931SJiri Olsa if (cpus_aggr_map->map[cpu] == -1) 16991e5a2931SJiri Olsa cpus_aggr_map->map[cpu] = get_id(map, idx); 17001e5a2931SJiri Olsa 17011e5a2931SJiri Olsa return cpus_aggr_map->map[cpu]; 17021e5a2931SJiri Olsa } 17031e5a2931SJiri Olsa 17041e5a2931SJiri Olsa static int perf_stat__get_socket_cached(struct cpu_map *map, int idx) 17051e5a2931SJiri Olsa { 17061e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_socket, map, idx); 17071e5a2931SJiri Olsa } 17081e5a2931SJiri Olsa 17091e5a2931SJiri Olsa static int perf_stat__get_core_cached(struct cpu_map *map, int idx) 17101e5a2931SJiri Olsa { 17111e5a2931SJiri Olsa return perf_stat__get_aggr(perf_stat__get_core, map, idx); 17121e5a2931SJiri Olsa } 17131e5a2931SJiri Olsa 171486ee6e18SStephane Eranian static int perf_stat_init_aggr_mode(void) 171586ee6e18SStephane Eranian { 17161e5a2931SJiri Olsa int nr; 17171e5a2931SJiri Olsa 1718421a50f3SJiri Olsa switch (stat_config.aggr_mode) { 171986ee6e18SStephane Eranian case AGGR_SOCKET: 172086ee6e18SStephane Eranian if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { 172186ee6e18SStephane Eranian perror("cannot build socket map"); 172286ee6e18SStephane Eranian return -1; 172386ee6e18SStephane Eranian } 17241e5a2931SJiri Olsa aggr_get_id = perf_stat__get_socket_cached; 172586ee6e18SStephane Eranian break; 172612c08a9fSStephane Eranian case AGGR_CORE: 172712c08a9fSStephane Eranian if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { 172812c08a9fSStephane Eranian perror("cannot build core map"); 172912c08a9fSStephane Eranian return -1; 173012c08a9fSStephane Eranian } 17311e5a2931SJiri Olsa aggr_get_id = perf_stat__get_core_cached; 173212c08a9fSStephane Eranian break; 173386ee6e18SStephane Eranian case AGGR_NONE: 173486ee6e18SStephane Eranian case AGGR_GLOBAL: 173532b8af82SJiri Olsa case AGGR_THREAD: 1736208df99eSJiri Olsa case AGGR_UNSET: 173786ee6e18SStephane Eranian default: 173886ee6e18SStephane Eranian break; 173986ee6e18SStephane Eranian } 17401e5a2931SJiri Olsa 17411e5a2931SJiri Olsa /* 17421e5a2931SJiri Olsa * The evsel_list->cpus is the base we operate on, 17431e5a2931SJiri Olsa * taking the highest cpu number to be the size of 17441e5a2931SJiri Olsa * the aggregation translate cpumap. 17451e5a2931SJiri Olsa */ 17461e5a2931SJiri Olsa nr = cpu_map__get_max(evsel_list->cpus); 17471e5a2931SJiri Olsa cpus_aggr_map = cpu_map__empty_new(nr + 1); 17481e5a2931SJiri Olsa return cpus_aggr_map ? 0 : -ENOMEM; 174986ee6e18SStephane Eranian } 175086ee6e18SStephane Eranian 1751544c2ae7SMasami Hiramatsu static void perf_stat__exit_aggr_mode(void) 1752544c2ae7SMasami Hiramatsu { 1753544c2ae7SMasami Hiramatsu cpu_map__put(aggr_map); 1754544c2ae7SMasami Hiramatsu cpu_map__put(cpus_aggr_map); 1755544c2ae7SMasami Hiramatsu aggr_map = NULL; 1756544c2ae7SMasami Hiramatsu cpus_aggr_map = NULL; 1757544c2ae7SMasami Hiramatsu } 1758544c2ae7SMasami Hiramatsu 175968d702f7SJiri Olsa static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, int idx) 176068d702f7SJiri Olsa { 176168d702f7SJiri Olsa int cpu; 176268d702f7SJiri Olsa 176368d702f7SJiri Olsa if (idx > map->nr) 176468d702f7SJiri Olsa return -1; 176568d702f7SJiri Olsa 176668d702f7SJiri Olsa cpu = map->map[idx]; 176768d702f7SJiri Olsa 1768da8a58b5SJan Stancek if (cpu >= env->nr_cpus_avail) 176968d702f7SJiri Olsa return -1; 177068d702f7SJiri Olsa 177168d702f7SJiri Olsa return cpu; 177268d702f7SJiri Olsa } 177368d702f7SJiri Olsa 177468d702f7SJiri Olsa static int perf_env__get_socket(struct cpu_map *map, int idx, void *data) 177568d702f7SJiri Olsa { 177668d702f7SJiri Olsa struct perf_env *env = data; 177768d702f7SJiri Olsa int cpu = perf_env__get_cpu(env, map, idx); 177868d702f7SJiri Olsa 177968d702f7SJiri Olsa return cpu == -1 ? -1 : env->cpu[cpu].socket_id; 178068d702f7SJiri Olsa } 178168d702f7SJiri Olsa 178268d702f7SJiri Olsa static int perf_env__get_core(struct cpu_map *map, int idx, void *data) 178368d702f7SJiri Olsa { 178468d702f7SJiri Olsa struct perf_env *env = data; 178568d702f7SJiri Olsa int core = -1, cpu = perf_env__get_cpu(env, map, idx); 178668d702f7SJiri Olsa 178768d702f7SJiri Olsa if (cpu != -1) { 178868d702f7SJiri Olsa int socket_id = env->cpu[cpu].socket_id; 178968d702f7SJiri Olsa 179068d702f7SJiri Olsa /* 179168d702f7SJiri Olsa * Encode socket in upper 16 bits 179268d702f7SJiri Olsa * core_id is relative to socket, and 179368d702f7SJiri Olsa * we need a global id. So we combine 179468d702f7SJiri Olsa * socket + core id. 179568d702f7SJiri Olsa */ 179668d702f7SJiri Olsa core = (socket_id << 16) | (env->cpu[cpu].core_id & 0xffff); 179768d702f7SJiri Olsa } 179868d702f7SJiri Olsa 179968d702f7SJiri Olsa return core; 180068d702f7SJiri Olsa } 180168d702f7SJiri Olsa 180268d702f7SJiri Olsa static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map *cpus, 180368d702f7SJiri Olsa struct cpu_map **sockp) 180468d702f7SJiri Olsa { 180568d702f7SJiri Olsa return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env); 180668d702f7SJiri Olsa } 180768d702f7SJiri Olsa 180868d702f7SJiri Olsa static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus, 180968d702f7SJiri Olsa struct cpu_map **corep) 181068d702f7SJiri Olsa { 181168d702f7SJiri Olsa return cpu_map__build_map(cpus, corep, perf_env__get_core, env); 181268d702f7SJiri Olsa } 181368d702f7SJiri Olsa 181468d702f7SJiri Olsa static int perf_stat__get_socket_file(struct cpu_map *map, int idx) 181568d702f7SJiri Olsa { 181668d702f7SJiri Olsa return perf_env__get_socket(map, idx, &perf_stat.session->header.env); 181768d702f7SJiri Olsa } 181868d702f7SJiri Olsa 181968d702f7SJiri Olsa static int perf_stat__get_core_file(struct cpu_map *map, int idx) 182068d702f7SJiri Olsa { 182168d702f7SJiri Olsa return perf_env__get_core(map, idx, &perf_stat.session->header.env); 182268d702f7SJiri Olsa } 182368d702f7SJiri Olsa 182468d702f7SJiri Olsa static int perf_stat_init_aggr_mode_file(struct perf_stat *st) 182568d702f7SJiri Olsa { 182668d702f7SJiri Olsa struct perf_env *env = &st->session->header.env; 182768d702f7SJiri Olsa 182868d702f7SJiri Olsa switch (stat_config.aggr_mode) { 182968d702f7SJiri Olsa case AGGR_SOCKET: 183068d702f7SJiri Olsa if (perf_env__build_socket_map(env, evsel_list->cpus, &aggr_map)) { 183168d702f7SJiri Olsa perror("cannot build socket map"); 183268d702f7SJiri Olsa return -1; 183368d702f7SJiri Olsa } 183468d702f7SJiri Olsa aggr_get_id = perf_stat__get_socket_file; 183568d702f7SJiri Olsa break; 183668d702f7SJiri Olsa case AGGR_CORE: 183768d702f7SJiri Olsa if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map)) { 183868d702f7SJiri Olsa perror("cannot build core map"); 183968d702f7SJiri Olsa return -1; 184068d702f7SJiri Olsa } 184168d702f7SJiri Olsa aggr_get_id = perf_stat__get_core_file; 184268d702f7SJiri Olsa break; 184368d702f7SJiri Olsa case AGGR_NONE: 184468d702f7SJiri Olsa case AGGR_GLOBAL: 184568d702f7SJiri Olsa case AGGR_THREAD: 184668d702f7SJiri Olsa case AGGR_UNSET: 184768d702f7SJiri Olsa default: 184868d702f7SJiri Olsa break; 184968d702f7SJiri Olsa } 185068d702f7SJiri Olsa 185168d702f7SJiri Olsa return 0; 185268d702f7SJiri Olsa } 185368d702f7SJiri Olsa 185444b1e60aSAndi Kleen static int topdown_filter_events(const char **attr, char **str, bool use_group) 185544b1e60aSAndi Kleen { 185644b1e60aSAndi Kleen int off = 0; 185744b1e60aSAndi Kleen int i; 185844b1e60aSAndi Kleen int len = 0; 185944b1e60aSAndi Kleen char *s; 186044b1e60aSAndi Kleen 186144b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 186244b1e60aSAndi Kleen if (pmu_have_event("cpu", attr[i])) { 186344b1e60aSAndi Kleen len += strlen(attr[i]) + 1; 186444b1e60aSAndi Kleen attr[i - off] = attr[i]; 186544b1e60aSAndi Kleen } else 186644b1e60aSAndi Kleen off++; 186744b1e60aSAndi Kleen } 186844b1e60aSAndi Kleen attr[i - off] = NULL; 186944b1e60aSAndi Kleen 187044b1e60aSAndi Kleen *str = malloc(len + 1 + 2); 187144b1e60aSAndi Kleen if (!*str) 187244b1e60aSAndi Kleen return -1; 187344b1e60aSAndi Kleen s = *str; 187444b1e60aSAndi Kleen if (i - off == 0) { 187544b1e60aSAndi Kleen *s = 0; 187644b1e60aSAndi Kleen return 0; 187744b1e60aSAndi Kleen } 187844b1e60aSAndi Kleen if (use_group) 187944b1e60aSAndi Kleen *s++ = '{'; 188044b1e60aSAndi Kleen for (i = 0; attr[i]; i++) { 188144b1e60aSAndi Kleen strcpy(s, attr[i]); 188244b1e60aSAndi Kleen s += strlen(s); 188344b1e60aSAndi Kleen *s++ = ','; 188444b1e60aSAndi Kleen } 188544b1e60aSAndi Kleen if (use_group) { 188644b1e60aSAndi Kleen s[-1] = '}'; 188744b1e60aSAndi Kleen *s = 0; 188844b1e60aSAndi Kleen } else 188944b1e60aSAndi Kleen s[-1] = 0; 189044b1e60aSAndi Kleen return 0; 189144b1e60aSAndi Kleen } 189244b1e60aSAndi Kleen 189344b1e60aSAndi Kleen __weak bool arch_topdown_check_group(bool *warn) 189444b1e60aSAndi Kleen { 189544b1e60aSAndi Kleen *warn = false; 189644b1e60aSAndi Kleen return false; 189744b1e60aSAndi Kleen } 189844b1e60aSAndi Kleen 189944b1e60aSAndi Kleen __weak void arch_topdown_group_warn(void) 190044b1e60aSAndi Kleen { 190144b1e60aSAndi Kleen } 190244b1e60aSAndi Kleen 19032cba3ffbSIngo Molnar /* 19042cba3ffbSIngo Molnar * Add default attributes, if there were no attributes specified or 19052cba3ffbSIngo Molnar * if -d/--detailed, -d -d or -d -d -d is used: 19062cba3ffbSIngo Molnar */ 19072cba3ffbSIngo Molnar static int add_default_attributes(void) 19082cba3ffbSIngo Molnar { 190944b1e60aSAndi Kleen int err; 19109dec4473SAndi Kleen struct perf_event_attr default_attrs0[] = { 1911b070a547SArnaldo Carvalho de Melo 1912b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, 1913b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, 1914b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, 1915b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, 1916b070a547SArnaldo Carvalho de Melo 1917b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, 19189dec4473SAndi Kleen }; 19199dec4473SAndi Kleen struct perf_event_attr frontend_attrs[] = { 1920b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, 19219dec4473SAndi Kleen }; 19229dec4473SAndi Kleen struct perf_event_attr backend_attrs[] = { 1923b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, 19249dec4473SAndi Kleen }; 19259dec4473SAndi Kleen struct perf_event_attr default_attrs1[] = { 1926b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, 1927b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, 1928b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, 1929b070a547SArnaldo Carvalho de Melo 1930b070a547SArnaldo Carvalho de Melo }; 1931b070a547SArnaldo Carvalho de Melo 1932b070a547SArnaldo Carvalho de Melo /* 1933b070a547SArnaldo Carvalho de Melo * Detailed stats (-d), covering the L1 and last level data caches: 1934b070a547SArnaldo Carvalho de Melo */ 1935b070a547SArnaldo Carvalho de Melo struct perf_event_attr detailed_attrs[] = { 1936b070a547SArnaldo Carvalho de Melo 1937b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1938b070a547SArnaldo Carvalho de Melo .config = 1939b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1940b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1941b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1942b070a547SArnaldo Carvalho de Melo 1943b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1944b070a547SArnaldo Carvalho de Melo .config = 1945b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 1946b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1947b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1948b070a547SArnaldo Carvalho de Melo 1949b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1950b070a547SArnaldo Carvalho de Melo .config = 1951b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1952b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1953b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1954b070a547SArnaldo Carvalho de Melo 1955b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1956b070a547SArnaldo Carvalho de Melo .config = 1957b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_LL << 0 | 1958b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1959b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1960b070a547SArnaldo Carvalho de Melo }; 1961b070a547SArnaldo Carvalho de Melo 1962b070a547SArnaldo Carvalho de Melo /* 1963b070a547SArnaldo Carvalho de Melo * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: 1964b070a547SArnaldo Carvalho de Melo */ 1965b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_detailed_attrs[] = { 1966b070a547SArnaldo Carvalho de Melo 1967b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1968b070a547SArnaldo Carvalho de Melo .config = 1969b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1970b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1971b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1972b070a547SArnaldo Carvalho de Melo 1973b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1974b070a547SArnaldo Carvalho de Melo .config = 1975b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1I << 0 | 1976b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1977b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1978b070a547SArnaldo Carvalho de Melo 1979b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1980b070a547SArnaldo Carvalho de Melo .config = 1981b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1982b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1983b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1984b070a547SArnaldo Carvalho de Melo 1985b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1986b070a547SArnaldo Carvalho de Melo .config = 1987b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_DTLB << 0 | 1988b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1989b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 1990b070a547SArnaldo Carvalho de Melo 1991b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1992b070a547SArnaldo Carvalho de Melo .config = 1993b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 1994b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 1995b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 1996b070a547SArnaldo Carvalho de Melo 1997b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 1998b070a547SArnaldo Carvalho de Melo .config = 1999b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_ITLB << 0 | 2000b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_READ << 8) | 2001b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2002b070a547SArnaldo Carvalho de Melo 2003b070a547SArnaldo Carvalho de Melo }; 2004b070a547SArnaldo Carvalho de Melo 2005b070a547SArnaldo Carvalho de Melo /* 2006b070a547SArnaldo Carvalho de Melo * Very, very detailed stats (-d -d -d), adding prefetch events: 2007b070a547SArnaldo Carvalho de Melo */ 2008b070a547SArnaldo Carvalho de Melo struct perf_event_attr very_very_detailed_attrs[] = { 2009b070a547SArnaldo Carvalho de Melo 2010b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2011b070a547SArnaldo Carvalho de Melo .config = 2012b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2013b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2014b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, 2015b070a547SArnaldo Carvalho de Melo 2016b070a547SArnaldo Carvalho de Melo { .type = PERF_TYPE_HW_CACHE, 2017b070a547SArnaldo Carvalho de Melo .config = 2018b070a547SArnaldo Carvalho de Melo PERF_COUNT_HW_CACHE_L1D << 0 | 2019b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | 2020b070a547SArnaldo Carvalho de Melo (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, 2021b070a547SArnaldo Carvalho de Melo }; 2022b070a547SArnaldo Carvalho de Melo 20232cba3ffbSIngo Molnar /* Set attrs if no event is selected and !null_run: */ 20242cba3ffbSIngo Molnar if (null_run) 20252cba3ffbSIngo Molnar return 0; 20262cba3ffbSIngo Molnar 20274cabc3d1SAndi Kleen if (transaction_run) { 20284cabc3d1SAndi Kleen if (pmu_have_event("cpu", "cycles-ct") && 20294cabc3d1SAndi Kleen pmu_have_event("cpu", "el-start")) 2030a454742cSJiri Olsa err = parse_events(evsel_list, transaction_attrs, NULL); 20314cabc3d1SAndi Kleen else 2032a454742cSJiri Olsa err = parse_events(evsel_list, transaction_limited_attrs, NULL); 2033a454742cSJiri Olsa if (err) { 20344cabc3d1SAndi Kleen fprintf(stderr, "Cannot set up transaction events\n"); 20354cabc3d1SAndi Kleen return -1; 20364cabc3d1SAndi Kleen } 20374cabc3d1SAndi Kleen return 0; 20384cabc3d1SAndi Kleen } 20394cabc3d1SAndi Kleen 204044b1e60aSAndi Kleen if (topdown_run) { 204144b1e60aSAndi Kleen char *str = NULL; 204244b1e60aSAndi Kleen bool warn = false; 204344b1e60aSAndi Kleen 204444b1e60aSAndi Kleen if (stat_config.aggr_mode != AGGR_GLOBAL && 204544b1e60aSAndi Kleen stat_config.aggr_mode != AGGR_CORE) { 204644b1e60aSAndi Kleen pr_err("top down event configuration requires --per-core mode\n"); 204744b1e60aSAndi Kleen return -1; 204844b1e60aSAndi Kleen } 204944b1e60aSAndi Kleen stat_config.aggr_mode = AGGR_CORE; 205044b1e60aSAndi Kleen if (nr_cgroups || !target__has_cpu(&target)) { 205144b1e60aSAndi Kleen pr_err("top down event configuration requires system-wide mode (-a)\n"); 205244b1e60aSAndi Kleen return -1; 205344b1e60aSAndi Kleen } 205444b1e60aSAndi Kleen 205544b1e60aSAndi Kleen if (!force_metric_only) 205644b1e60aSAndi Kleen metric_only = true; 205744b1e60aSAndi Kleen if (topdown_filter_events(topdown_attrs, &str, 205844b1e60aSAndi Kleen arch_topdown_check_group(&warn)) < 0) { 205944b1e60aSAndi Kleen pr_err("Out of memory\n"); 206044b1e60aSAndi Kleen return -1; 206144b1e60aSAndi Kleen } 206244b1e60aSAndi Kleen if (topdown_attrs[0] && str) { 206344b1e60aSAndi Kleen if (warn) 206444b1e60aSAndi Kleen arch_topdown_group_warn(); 206544b1e60aSAndi Kleen err = parse_events(evsel_list, str, NULL); 206644b1e60aSAndi Kleen if (err) { 206744b1e60aSAndi Kleen fprintf(stderr, 206844b1e60aSAndi Kleen "Cannot set up top down events %s: %d\n", 206944b1e60aSAndi Kleen str, err); 207044b1e60aSAndi Kleen free(str); 207144b1e60aSAndi Kleen return -1; 207244b1e60aSAndi Kleen } 207344b1e60aSAndi Kleen } else { 207444b1e60aSAndi Kleen fprintf(stderr, "System does not support topdown\n"); 207544b1e60aSAndi Kleen return -1; 207644b1e60aSAndi Kleen } 207744b1e60aSAndi Kleen free(str); 207844b1e60aSAndi Kleen } 207944b1e60aSAndi Kleen 20802cba3ffbSIngo Molnar if (!evsel_list->nr_entries) { 2081a1f3d567SNamhyung Kim if (target__has_cpu(&target)) 2082a1f3d567SNamhyung Kim default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; 2083a1f3d567SNamhyung Kim 20849dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs0) < 0) 20859dec4473SAndi Kleen return -1; 20869dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-frontend")) { 20879dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 20889dec4473SAndi Kleen frontend_attrs) < 0) 20899dec4473SAndi Kleen return -1; 20909dec4473SAndi Kleen } 20919dec4473SAndi Kleen if (pmu_have_event("cpu", "stalled-cycles-backend")) { 20929dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, 20939dec4473SAndi Kleen backend_attrs) < 0) 20949dec4473SAndi Kleen return -1; 20959dec4473SAndi Kleen } 20969dec4473SAndi Kleen if (perf_evlist__add_default_attrs(evsel_list, default_attrs1) < 0) 20972cba3ffbSIngo Molnar return -1; 20982cba3ffbSIngo Molnar } 20992cba3ffbSIngo Molnar 21002cba3ffbSIngo Molnar /* Detailed events get appended to the event list: */ 21012cba3ffbSIngo Molnar 21022cba3ffbSIngo Molnar if (detailed_run < 1) 21032cba3ffbSIngo Molnar return 0; 21042cba3ffbSIngo Molnar 21052cba3ffbSIngo Molnar /* Append detailed run extra attributes: */ 210679695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) 21072cba3ffbSIngo Molnar return -1; 21082cba3ffbSIngo Molnar 21092cba3ffbSIngo Molnar if (detailed_run < 2) 21102cba3ffbSIngo Molnar return 0; 21112cba3ffbSIngo Molnar 21122cba3ffbSIngo Molnar /* Append very detailed run extra attributes: */ 211379695e1bSArnaldo Carvalho de Melo if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) 21142cba3ffbSIngo Molnar return -1; 21152cba3ffbSIngo Molnar 21162cba3ffbSIngo Molnar if (detailed_run < 3) 21172cba3ffbSIngo Molnar return 0; 21182cba3ffbSIngo Molnar 21192cba3ffbSIngo Molnar /* Append very, very detailed run extra attributes: */ 212079695e1bSArnaldo Carvalho de Melo return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); 21212cba3ffbSIngo Molnar } 21222cba3ffbSIngo Molnar 21238a59f3ccSJiri Olsa static const char * const stat_record_usage[] = { 21244979d0c7SJiri Olsa "perf stat record [<options>]", 21254979d0c7SJiri Olsa NULL, 21264979d0c7SJiri Olsa }; 21274979d0c7SJiri Olsa 21283ba78bd0SJiri Olsa static void init_features(struct perf_session *session) 21293ba78bd0SJiri Olsa { 21303ba78bd0SJiri Olsa int feat; 21313ba78bd0SJiri Olsa 21323ba78bd0SJiri Olsa for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) 21333ba78bd0SJiri Olsa perf_header__set_feat(&session->header, feat); 21343ba78bd0SJiri Olsa 21353ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BUILD_ID); 21363ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); 21373ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); 21383ba78bd0SJiri Olsa perf_header__clear_feat(&session->header, HEADER_AUXTRACE); 21393ba78bd0SJiri Olsa } 21403ba78bd0SJiri Olsa 21414979d0c7SJiri Olsa static int __cmd_record(int argc, const char **argv) 21424979d0c7SJiri Olsa { 21434979d0c7SJiri Olsa struct perf_session *session; 21444979d0c7SJiri Olsa struct perf_data_file *file = &perf_stat.file; 21454979d0c7SJiri Olsa 21468a59f3ccSJiri Olsa argc = parse_options(argc, argv, stat_options, stat_record_usage, 21474979d0c7SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 21484979d0c7SJiri Olsa 21494979d0c7SJiri Olsa if (output_name) 21504979d0c7SJiri Olsa file->path = output_name; 21514979d0c7SJiri Olsa 2152e9d6db8eSJiri Olsa if (run_count != 1 || forever) { 2153e9d6db8eSJiri Olsa pr_err("Cannot use -r option with perf stat record.\n"); 2154e9d6db8eSJiri Olsa return -1; 2155e9d6db8eSJiri Olsa } 2156e9d6db8eSJiri Olsa 21574979d0c7SJiri Olsa session = perf_session__new(file, false, NULL); 21584979d0c7SJiri Olsa if (session == NULL) { 21594979d0c7SJiri Olsa pr_err("Perf session creation failed.\n"); 21604979d0c7SJiri Olsa return -1; 21614979d0c7SJiri Olsa } 21624979d0c7SJiri Olsa 21633ba78bd0SJiri Olsa init_features(session); 21643ba78bd0SJiri Olsa 21654979d0c7SJiri Olsa session->evlist = evsel_list; 21664979d0c7SJiri Olsa perf_stat.session = session; 21674979d0c7SJiri Olsa perf_stat.record = true; 21684979d0c7SJiri Olsa return argc; 21694979d0c7SJiri Olsa } 21704979d0c7SJiri Olsa 2171a56f9390SJiri Olsa static int process_stat_round_event(struct perf_tool *tool __maybe_unused, 2172a56f9390SJiri Olsa union perf_event *event, 2173a56f9390SJiri Olsa struct perf_session *session) 2174a56f9390SJiri Olsa { 2175e3b03b6cSAndi Kleen struct stat_round_event *stat_round = &event->stat_round; 2176a56f9390SJiri Olsa struct perf_evsel *counter; 2177a56f9390SJiri Olsa struct timespec tsh, *ts = NULL; 2178a56f9390SJiri Olsa const char **argv = session->header.env.cmdline_argv; 2179a56f9390SJiri Olsa int argc = session->header.env.nr_cmdline; 2180a56f9390SJiri Olsa 2181e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evsel_list, counter) 2182a56f9390SJiri Olsa perf_stat_process_counter(&stat_config, counter); 2183a56f9390SJiri Olsa 2184e3b03b6cSAndi Kleen if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) 2185e3b03b6cSAndi Kleen update_stats(&walltime_nsecs_stats, stat_round->time); 2186a56f9390SJiri Olsa 2187e3b03b6cSAndi Kleen if (stat_config.interval && stat_round->time) { 2188bd48c63eSArnaldo Carvalho de Melo tsh.tv_sec = stat_round->time / NSEC_PER_SEC; 2189bd48c63eSArnaldo Carvalho de Melo tsh.tv_nsec = stat_round->time % NSEC_PER_SEC; 2190a56f9390SJiri Olsa ts = &tsh; 2191a56f9390SJiri Olsa } 2192a56f9390SJiri Olsa 2193a56f9390SJiri Olsa print_counters(ts, argc, argv); 2194a56f9390SJiri Olsa return 0; 2195a56f9390SJiri Olsa } 2196a56f9390SJiri Olsa 219762ba18baSJiri Olsa static 21987e6a7998SArnaldo Carvalho de Melo int process_stat_config_event(struct perf_tool *tool, 219962ba18baSJiri Olsa union perf_event *event, 220062ba18baSJiri Olsa struct perf_session *session __maybe_unused) 220162ba18baSJiri Olsa { 220268d702f7SJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 220368d702f7SJiri Olsa 220462ba18baSJiri Olsa perf_event__read_stat_config(&stat_config, &event->stat_config); 220568d702f7SJiri Olsa 220689af4e05SJiri Olsa if (cpu_map__empty(st->cpus)) { 220789af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 220889af4e05SJiri Olsa pr_warning("warning: processing task data, aggregation mode not set\n"); 220989af4e05SJiri Olsa return 0; 221089af4e05SJiri Olsa } 221189af4e05SJiri Olsa 221289af4e05SJiri Olsa if (st->aggr_mode != AGGR_UNSET) 221389af4e05SJiri Olsa stat_config.aggr_mode = st->aggr_mode; 221489af4e05SJiri Olsa 221568d702f7SJiri Olsa if (perf_stat.file.is_pipe) 221668d702f7SJiri Olsa perf_stat_init_aggr_mode(); 221768d702f7SJiri Olsa else 221868d702f7SJiri Olsa perf_stat_init_aggr_mode_file(st); 221968d702f7SJiri Olsa 222062ba18baSJiri Olsa return 0; 222162ba18baSJiri Olsa } 222262ba18baSJiri Olsa 22231975d36eSJiri Olsa static int set_maps(struct perf_stat *st) 22241975d36eSJiri Olsa { 22251975d36eSJiri Olsa if (!st->cpus || !st->threads) 22261975d36eSJiri Olsa return 0; 22271975d36eSJiri Olsa 22281975d36eSJiri Olsa if (WARN_ONCE(st->maps_allocated, "stats double allocation\n")) 22291975d36eSJiri Olsa return -EINVAL; 22301975d36eSJiri Olsa 22311975d36eSJiri Olsa perf_evlist__set_maps(evsel_list, st->cpus, st->threads); 22321975d36eSJiri Olsa 22331975d36eSJiri Olsa if (perf_evlist__alloc_stats(evsel_list, true)) 22341975d36eSJiri Olsa return -ENOMEM; 22351975d36eSJiri Olsa 22361975d36eSJiri Olsa st->maps_allocated = true; 22371975d36eSJiri Olsa return 0; 22381975d36eSJiri Olsa } 22391975d36eSJiri Olsa 22401975d36eSJiri Olsa static 22417e6a7998SArnaldo Carvalho de Melo int process_thread_map_event(struct perf_tool *tool, 22421975d36eSJiri Olsa union perf_event *event, 22431975d36eSJiri Olsa struct perf_session *session __maybe_unused) 22441975d36eSJiri Olsa { 22451975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 22461975d36eSJiri Olsa 22471975d36eSJiri Olsa if (st->threads) { 22481975d36eSJiri Olsa pr_warning("Extra thread map event, ignoring.\n"); 22491975d36eSJiri Olsa return 0; 22501975d36eSJiri Olsa } 22511975d36eSJiri Olsa 22521975d36eSJiri Olsa st->threads = thread_map__new_event(&event->thread_map); 22531975d36eSJiri Olsa if (!st->threads) 22541975d36eSJiri Olsa return -ENOMEM; 22551975d36eSJiri Olsa 22561975d36eSJiri Olsa return set_maps(st); 22571975d36eSJiri Olsa } 22581975d36eSJiri Olsa 22591975d36eSJiri Olsa static 22607e6a7998SArnaldo Carvalho de Melo int process_cpu_map_event(struct perf_tool *tool, 22611975d36eSJiri Olsa union perf_event *event, 22621975d36eSJiri Olsa struct perf_session *session __maybe_unused) 22631975d36eSJiri Olsa { 22641975d36eSJiri Olsa struct perf_stat *st = container_of(tool, struct perf_stat, tool); 22651975d36eSJiri Olsa struct cpu_map *cpus; 22661975d36eSJiri Olsa 22671975d36eSJiri Olsa if (st->cpus) { 22681975d36eSJiri Olsa pr_warning("Extra cpu map event, ignoring.\n"); 22691975d36eSJiri Olsa return 0; 22701975d36eSJiri Olsa } 22711975d36eSJiri Olsa 22721975d36eSJiri Olsa cpus = cpu_map__new_data(&event->cpu_map.data); 22731975d36eSJiri Olsa if (!cpus) 22741975d36eSJiri Olsa return -ENOMEM; 22751975d36eSJiri Olsa 22761975d36eSJiri Olsa st->cpus = cpus; 22771975d36eSJiri Olsa return set_maps(st); 22781975d36eSJiri Olsa } 22791975d36eSJiri Olsa 22808a59f3ccSJiri Olsa static const char * const stat_report_usage[] = { 2281ba6039b6SJiri Olsa "perf stat report [<options>]", 2282ba6039b6SJiri Olsa NULL, 2283ba6039b6SJiri Olsa }; 2284ba6039b6SJiri Olsa 2285ba6039b6SJiri Olsa static struct perf_stat perf_stat = { 2286ba6039b6SJiri Olsa .tool = { 2287ba6039b6SJiri Olsa .attr = perf_event__process_attr, 2288fa6ea781SJiri Olsa .event_update = perf_event__process_event_update, 22891975d36eSJiri Olsa .thread_map = process_thread_map_event, 22901975d36eSJiri Olsa .cpu_map = process_cpu_map_event, 229162ba18baSJiri Olsa .stat_config = process_stat_config_event, 2292a56f9390SJiri Olsa .stat = perf_event__process_stat_event, 2293a56f9390SJiri Olsa .stat_round = process_stat_round_event, 2294ba6039b6SJiri Olsa }, 229589af4e05SJiri Olsa .aggr_mode = AGGR_UNSET, 2296ba6039b6SJiri Olsa }; 2297ba6039b6SJiri Olsa 2298ba6039b6SJiri Olsa static int __cmd_report(int argc, const char **argv) 2299ba6039b6SJiri Olsa { 2300ba6039b6SJiri Olsa struct perf_session *session; 2301ba6039b6SJiri Olsa const struct option options[] = { 2302ba6039b6SJiri Olsa OPT_STRING('i', "input", &input_name, "file", "input file name"), 230389af4e05SJiri Olsa OPT_SET_UINT(0, "per-socket", &perf_stat.aggr_mode, 230489af4e05SJiri Olsa "aggregate counts per processor socket", AGGR_SOCKET), 230589af4e05SJiri Olsa OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, 230689af4e05SJiri Olsa "aggregate counts per physical processor core", AGGR_CORE), 230789af4e05SJiri Olsa OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, 230889af4e05SJiri Olsa "disable CPU count aggregation", AGGR_NONE), 2309ba6039b6SJiri Olsa OPT_END() 2310ba6039b6SJiri Olsa }; 2311ba6039b6SJiri Olsa struct stat st; 2312ba6039b6SJiri Olsa int ret; 2313ba6039b6SJiri Olsa 23148a59f3ccSJiri Olsa argc = parse_options(argc, argv, options, stat_report_usage, 0); 2315ba6039b6SJiri Olsa 2316ba6039b6SJiri Olsa if (!input_name || !strlen(input_name)) { 2317ba6039b6SJiri Olsa if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 2318ba6039b6SJiri Olsa input_name = "-"; 2319ba6039b6SJiri Olsa else 2320ba6039b6SJiri Olsa input_name = "perf.data"; 2321ba6039b6SJiri Olsa } 2322ba6039b6SJiri Olsa 2323ba6039b6SJiri Olsa perf_stat.file.path = input_name; 2324ba6039b6SJiri Olsa perf_stat.file.mode = PERF_DATA_MODE_READ; 2325ba6039b6SJiri Olsa 2326ba6039b6SJiri Olsa session = perf_session__new(&perf_stat.file, false, &perf_stat.tool); 2327ba6039b6SJiri Olsa if (session == NULL) 2328ba6039b6SJiri Olsa return -1; 2329ba6039b6SJiri Olsa 2330ba6039b6SJiri Olsa perf_stat.session = session; 2331ba6039b6SJiri Olsa stat_config.output = stderr; 2332ba6039b6SJiri Olsa evsel_list = session->evlist; 2333ba6039b6SJiri Olsa 2334ba6039b6SJiri Olsa ret = perf_session__process_events(session); 2335ba6039b6SJiri Olsa if (ret) 2336ba6039b6SJiri Olsa return ret; 2337ba6039b6SJiri Olsa 2338ba6039b6SJiri Olsa perf_session__delete(session); 2339ba6039b6SJiri Olsa return 0; 2340ba6039b6SJiri Olsa } 2341ba6039b6SJiri Olsa 23421d037ca1SIrina Tirdea int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) 234386470930SIngo Molnar { 2344b070a547SArnaldo Carvalho de Melo const char * const stat_usage[] = { 2345b070a547SArnaldo Carvalho de Melo "perf stat [<options>] [<command>]", 2346b070a547SArnaldo Carvalho de Melo NULL 2347b070a547SArnaldo Carvalho de Melo }; 2348cc03c542SNamhyung Kim int status = -EINVAL, run_idx; 23494aa9015fSStephane Eranian const char *mode; 23505821522eSJiri Olsa FILE *output = stderr; 2351ec0d3d1fSJiri Olsa unsigned int interval; 2352ba6039b6SJiri Olsa const char * const stat_subcommands[] = { "record", "report" }; 235342202dd5SIngo Molnar 23545af52b51SStephane Eranian setlocale(LC_ALL, ""); 23555af52b51SStephane Eranian 2356334fe7a3SNamhyung Kim evsel_list = perf_evlist__new(); 2357361c99a6SArnaldo Carvalho de Melo if (evsel_list == NULL) 2358361c99a6SArnaldo Carvalho de Melo return -ENOMEM; 2359361c99a6SArnaldo Carvalho de Melo 23601669e509SWang Nan parse_events__shrink_config_terms(); 23614979d0c7SJiri Olsa argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands, 23624979d0c7SJiri Olsa (const char **) stat_usage, 2363a0541234SAnton Blanchard PARSE_OPT_STOP_AT_NON_OPTION); 2364fb4605baSAndi Kleen perf_stat__init_shadow_stats(); 2365d7470b6aSStephane Eranian 23666edb78a2SJiri Olsa if (csv_sep) { 23676edb78a2SJiri Olsa csv_output = true; 23686edb78a2SJiri Olsa if (!strcmp(csv_sep, "\\t")) 23696edb78a2SJiri Olsa csv_sep = "\t"; 23706edb78a2SJiri Olsa } else 23716edb78a2SJiri Olsa csv_sep = DEFAULT_SEPARATOR; 23726edb78a2SJiri Olsa 23734979d0c7SJiri Olsa if (argc && !strncmp(argv[0], "rec", 3)) { 23744979d0c7SJiri Olsa argc = __cmd_record(argc, argv); 23754979d0c7SJiri Olsa if (argc < 0) 23764979d0c7SJiri Olsa return -1; 2377ba6039b6SJiri Olsa } else if (argc && !strncmp(argv[0], "rep", 3)) 2378ba6039b6SJiri Olsa return __cmd_report(argc, argv); 23794979d0c7SJiri Olsa 2380ec0d3d1fSJiri Olsa interval = stat_config.interval; 2381ec0d3d1fSJiri Olsa 23824979d0c7SJiri Olsa /* 23834979d0c7SJiri Olsa * For record command the -o is already taken care of. 23844979d0c7SJiri Olsa */ 23854979d0c7SJiri Olsa if (!STAT_RECORD && output_name && strcmp(output_name, "-")) 23864aa9015fSStephane Eranian output = NULL; 23874aa9015fSStephane Eranian 238856f3bae7SJim Cromie if (output_name && output_fd) { 238956f3bae7SJim Cromie fprintf(stderr, "cannot use both --output and --log-fd\n"); 2390e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "o", 1); 2391e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "log-fd", 0); 2392cc03c542SNamhyung Kim goto out; 239356f3bae7SJim Cromie } 2394fc3e4d07SStephane Eranian 239554b50916SAndi Kleen if (metric_only && stat_config.aggr_mode == AGGR_THREAD) { 239654b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with --per-thread\n"); 239754b50916SAndi Kleen goto out; 239854b50916SAndi Kleen } 239954b50916SAndi Kleen 240054b50916SAndi Kleen if (metric_only && run_count > 1) { 240154b50916SAndi Kleen fprintf(stderr, "--metric-only is not supported with -r\n"); 240254b50916SAndi Kleen goto out; 240354b50916SAndi Kleen } 240454b50916SAndi Kleen 2405fc3e4d07SStephane Eranian if (output_fd < 0) { 2406fc3e4d07SStephane Eranian fprintf(stderr, "argument to --log-fd must be a > 0\n"); 2407e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "log-fd", 0); 2408cc03c542SNamhyung Kim goto out; 2409fc3e4d07SStephane Eranian } 2410fc3e4d07SStephane Eranian 24114aa9015fSStephane Eranian if (!output) { 24124aa9015fSStephane Eranian struct timespec tm; 24134aa9015fSStephane Eranian mode = append_file ? "a" : "w"; 24144aa9015fSStephane Eranian 24154aa9015fSStephane Eranian output = fopen(output_name, mode); 24164aa9015fSStephane Eranian if (!output) { 24174aa9015fSStephane Eranian perror("failed to create output file"); 2418fceda7feSDavid Ahern return -1; 24194aa9015fSStephane Eranian } 24204aa9015fSStephane Eranian clock_gettime(CLOCK_REALTIME, &tm); 24214aa9015fSStephane Eranian fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); 2422fc3e4d07SStephane Eranian } else if (output_fd > 0) { 242356f3bae7SJim Cromie mode = append_file ? "a" : "w"; 242456f3bae7SJim Cromie output = fdopen(output_fd, mode); 242556f3bae7SJim Cromie if (!output) { 242656f3bae7SJim Cromie perror("Failed opening logfd"); 242756f3bae7SJim Cromie return -errno; 242856f3bae7SJim Cromie } 24294aa9015fSStephane Eranian } 24304aa9015fSStephane Eranian 24315821522eSJiri Olsa stat_config.output = output; 24325821522eSJiri Olsa 2433d7470b6aSStephane Eranian /* 2434d7470b6aSStephane Eranian * let the spreadsheet do the pretty-printing 2435d7470b6aSStephane Eranian */ 2436d7470b6aSStephane Eranian if (csv_output) { 243761a9f324SJim Cromie /* User explicitly passed -B? */ 2438d7470b6aSStephane Eranian if (big_num_opt == 1) { 2439d7470b6aSStephane Eranian fprintf(stderr, "-B option not supported with -x\n"); 2440e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "B", 1); 2441e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "x", 1); 2442cc03c542SNamhyung Kim goto out; 2443d7470b6aSStephane Eranian } else /* Nope, so disable big number formatting */ 2444d7470b6aSStephane Eranian big_num = false; 2445d7470b6aSStephane Eranian } else if (big_num_opt == 0) /* User passed --no-big-num */ 2446d7470b6aSStephane Eranian big_num = false; 2447d7470b6aSStephane Eranian 2448602ad878SArnaldo Carvalho de Melo if (!argc && target__none(&target)) 2449e0547311SJiri Olsa usage_with_options(stat_usage, stat_options); 2450ac3063bdSDavid Ahern 2451a7e191c3SFrederik Deweerdt if (run_count < 0) { 2452cc03c542SNamhyung Kim pr_err("Run count must be a positive number\n"); 2453e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "r", 1); 2454cc03c542SNamhyung Kim goto out; 2455a7e191c3SFrederik Deweerdt } else if (run_count == 0) { 2456a7e191c3SFrederik Deweerdt forever = true; 2457a7e191c3SFrederik Deweerdt run_count = 1; 2458a7e191c3SFrederik Deweerdt } 245986470930SIngo Molnar 2460421a50f3SJiri Olsa if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { 246132b8af82SJiri Olsa fprintf(stderr, "The --per-thread option is only available " 246232b8af82SJiri Olsa "when monitoring via -p -t options.\n"); 2463e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "p", 1); 2464e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 246532b8af82SJiri Olsa goto out; 246632b8af82SJiri Olsa } 246732b8af82SJiri Olsa 246832b8af82SJiri Olsa /* 246932b8af82SJiri Olsa * no_aggr, cgroup are for system-wide only 247032b8af82SJiri Olsa * --per-thread is aggregated per thread, we dont mix it with cpu mode 247132b8af82SJiri Olsa */ 2472421a50f3SJiri Olsa if (((stat_config.aggr_mode != AGGR_GLOBAL && 2473421a50f3SJiri Olsa stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && 2474602ad878SArnaldo Carvalho de Melo !target__has_cpu(&target)) { 2475023695d9SStephane Eranian fprintf(stderr, "both cgroup and no-aggregation " 2476023695d9SStephane Eranian "modes only available in system-wide mode\n"); 2477023695d9SStephane Eranian 2478e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "G", 1); 2479e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "A", 1); 2480e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2481cc03c542SNamhyung Kim goto out; 2482d7e7a451SStephane Eranian } 2483d7e7a451SStephane Eranian 24842cba3ffbSIngo Molnar if (add_default_attributes()) 2485c6264defSIngo Molnar goto out; 248686470930SIngo Molnar 2487602ad878SArnaldo Carvalho de Melo target__validate(&target); 24885c98d466SArnaldo Carvalho de Melo 248977a6f014SNamhyung Kim if (perf_evlist__create_maps(evsel_list, &target) < 0) { 2490602ad878SArnaldo Carvalho de Melo if (target__has_task(&target)) { 24915c98d466SArnaldo Carvalho de Melo pr_err("Problems finding threads of monitor\n"); 2492e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "p", 1); 2493e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "t", 1); 2494602ad878SArnaldo Carvalho de Melo } else if (target__has_cpu(&target)) { 249560d567e2SArnaldo Carvalho de Melo perror("failed to parse CPUs map"); 2496e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "C", 1); 2497e0547311SJiri Olsa parse_options_usage(NULL, stat_options, "a", 1); 2498cc03c542SNamhyung Kim } 2499cc03c542SNamhyung Kim goto out; 250060d567e2SArnaldo Carvalho de Melo } 250132b8af82SJiri Olsa 250232b8af82SJiri Olsa /* 250332b8af82SJiri Olsa * Initialize thread_map with comm names, 250432b8af82SJiri Olsa * so we could print it out on output. 250532b8af82SJiri Olsa */ 2506421a50f3SJiri Olsa if (stat_config.aggr_mode == AGGR_THREAD) 250732b8af82SJiri Olsa thread_map__read_comms(evsel_list->threads); 250832b8af82SJiri Olsa 250913370a9bSStephane Eranian if (interval && interval < 100) { 251019afd104SKan Liang if (interval < 10) { 251119afd104SKan Liang pr_err("print interval must be >= 10ms\n"); 2512e0547311SJiri Olsa parse_options_usage(stat_usage, stat_options, "I", 1); 251303ad9747SArnaldo Carvalho de Melo goto out; 251419afd104SKan Liang } else 251519afd104SKan Liang pr_warning("print interval < 100ms. " 251619afd104SKan Liang "The overhead percentage could be high in some cases. " 251719afd104SKan Liang "Please proceed with caution.\n"); 251813370a9bSStephane Eranian } 2519c45c6ea2SStephane Eranian 2520d134ffb9SArnaldo Carvalho de Melo if (perf_evlist__alloc_stats(evsel_list, interval)) 252103ad9747SArnaldo Carvalho de Melo goto out; 2522d6d901c2SZhang, Yanmin 252386ee6e18SStephane Eranian if (perf_stat_init_aggr_mode()) 252403ad9747SArnaldo Carvalho de Melo goto out; 252586ee6e18SStephane Eranian 252686470930SIngo Molnar /* 252786470930SIngo Molnar * We dont want to block the signals - that would cause 252886470930SIngo Molnar * child tasks to inherit that and Ctrl-C would not work. 252986470930SIngo Molnar * What we want is for Ctrl-C to work in the exec()-ed 253086470930SIngo Molnar * task, but being ignored by perf stat itself: 253186470930SIngo Molnar */ 2532f7b7c26eSPeter Zijlstra atexit(sig_atexit); 2533a7e191c3SFrederik Deweerdt if (!forever) 253486470930SIngo Molnar signal(SIGINT, skip_signal); 253513370a9bSStephane Eranian signal(SIGCHLD, skip_signal); 253686470930SIngo Molnar signal(SIGALRM, skip_signal); 253786470930SIngo Molnar signal(SIGABRT, skip_signal); 253886470930SIngo Molnar 253942202dd5SIngo Molnar status = 0; 2540a7e191c3SFrederik Deweerdt for (run_idx = 0; forever || run_idx < run_count; run_idx++) { 254142202dd5SIngo Molnar if (run_count != 1 && verbose) 25424aa9015fSStephane Eranian fprintf(output, "[ perf stat: executing run #%d ... ]\n", 25434aa9015fSStephane Eranian run_idx + 1); 2544f9cef0a9SIngo Molnar 254542202dd5SIngo Molnar status = run_perf_stat(argc, argv); 2546a7e191c3SFrederik Deweerdt if (forever && status != -1) { 2547d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2548254ecbc7SJiri Olsa perf_stat__reset_stats(); 2549a7e191c3SFrederik Deweerdt } 255042202dd5SIngo Molnar } 255142202dd5SIngo Molnar 2552a7e191c3SFrederik Deweerdt if (!forever && status != -1 && !interval) 2553d4f63a47SJiri Olsa print_counters(NULL, argc, argv); 2554d134ffb9SArnaldo Carvalho de Melo 25554979d0c7SJiri Olsa if (STAT_RECORD) { 25564979d0c7SJiri Olsa /* 25574979d0c7SJiri Olsa * We synthesize the kernel mmap record just so that older tools 25584979d0c7SJiri Olsa * don't emit warnings about not being able to resolve symbols 25594979d0c7SJiri Olsa * due to /proc/sys/kernel/kptr_restrict settings and instear provide 25604979d0c7SJiri Olsa * a saner message about no samples being in the perf.data file. 25614979d0c7SJiri Olsa * 25624979d0c7SJiri Olsa * This also serves to suppress a warning about f_header.data.size == 0 25638b99b1a4SJiri Olsa * in header.c at the moment 'perf stat record' gets introduced, which 25648b99b1a4SJiri Olsa * is not really needed once we start adding the stat specific PERF_RECORD_ 25658b99b1a4SJiri Olsa * records, but the need to suppress the kptr_restrict messages in older 25668b99b1a4SJiri Olsa * tools remain -acme 25674979d0c7SJiri Olsa */ 25684979d0c7SJiri Olsa int fd = perf_data_file__fd(&perf_stat.file); 25694979d0c7SJiri Olsa int err = perf_event__synthesize_kernel_mmap((void *)&perf_stat, 25704979d0c7SJiri Olsa process_synthesized_event, 25714979d0c7SJiri Olsa &perf_stat.session->machines.host); 25724979d0c7SJiri Olsa if (err) { 25734979d0c7SJiri Olsa pr_warning("Couldn't synthesize the kernel mmap record, harmless, " 25744979d0c7SJiri Olsa "older tools may produce warnings about this file\n."); 25754979d0c7SJiri Olsa } 25764979d0c7SJiri Olsa 25777aad0c32SJiri Olsa if (!interval) { 25787aad0c32SJiri Olsa if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) 25797aad0c32SJiri Olsa pr_err("failed to write stat round event\n"); 25807aad0c32SJiri Olsa } 25817aad0c32SJiri Olsa 2582664c98d4SJiri Olsa if (!perf_stat.file.is_pipe) { 25834979d0c7SJiri Olsa perf_stat.session->header.data_size += perf_stat.bytes_written; 25844979d0c7SJiri Olsa perf_session__write_header(perf_stat.session, evsel_list, fd, true); 2585664c98d4SJiri Olsa } 25864979d0c7SJiri Olsa 25874979d0c7SJiri Olsa perf_session__delete(perf_stat.session); 25884979d0c7SJiri Olsa } 25894979d0c7SJiri Olsa 2590544c2ae7SMasami Hiramatsu perf_stat__exit_aggr_mode(); 2591d134ffb9SArnaldo Carvalho de Melo perf_evlist__free_stats(evsel_list); 25920015e2e1SArnaldo Carvalho de Melo out: 25930015e2e1SArnaldo Carvalho de Melo perf_evlist__delete(evsel_list); 259442202dd5SIngo Molnar return status; 259586470930SIngo Molnar } 2596