1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 2a43783aeSArnaldo Carvalho de Melo #include <errno.h> 3fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 40007eceaSXiao Guangrong #include <math.h> 5bfc49182SArnaldo Carvalho de Melo #include "counts.h" 60007eceaSXiao Guangrong #include "stat.h" 7aeb00b1aSArnaldo Carvalho de Melo #include "target.h" 824e34f68SJiri Olsa #include "evlist.h" 9e2f56da1SJiri Olsa #include "evsel.h" 1024e34f68SJiri Olsa #include "thread_map.h" 117f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 120007eceaSXiao Guangrong 130007eceaSXiao Guangrong void update_stats(struct stats *stats, u64 val) 140007eceaSXiao Guangrong { 150007eceaSXiao Guangrong double delta; 160007eceaSXiao Guangrong 170007eceaSXiao Guangrong stats->n++; 180007eceaSXiao Guangrong delta = val - stats->mean; 190007eceaSXiao Guangrong stats->mean += delta / stats->n; 200007eceaSXiao Guangrong stats->M2 += delta*(val - stats->mean); 21ffe4f3c0SDavid Ahern 22ffe4f3c0SDavid Ahern if (val > stats->max) 23ffe4f3c0SDavid Ahern stats->max = val; 24ffe4f3c0SDavid Ahern 25ffe4f3c0SDavid Ahern if (val < stats->min) 26ffe4f3c0SDavid Ahern stats->min = val; 270007eceaSXiao Guangrong } 280007eceaSXiao Guangrong 290007eceaSXiao Guangrong double avg_stats(struct stats *stats) 300007eceaSXiao Guangrong { 310007eceaSXiao Guangrong return stats->mean; 320007eceaSXiao Guangrong } 330007eceaSXiao Guangrong 340007eceaSXiao Guangrong /* 350007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance 360007eceaSXiao Guangrong * 370007eceaSXiao Guangrong * (\Sum n_i^2) - ((\Sum n_i)^2)/n 380007eceaSXiao Guangrong * s^2 = ------------------------------- 390007eceaSXiao Guangrong * n - 1 400007eceaSXiao Guangrong * 410007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Stddev 420007eceaSXiao Guangrong * 430007eceaSXiao Guangrong * The std dev of the mean is related to the std dev by: 440007eceaSXiao Guangrong * 450007eceaSXiao Guangrong * s 460007eceaSXiao Guangrong * s_mean = ------- 470007eceaSXiao Guangrong * sqrt(n) 480007eceaSXiao Guangrong * 490007eceaSXiao Guangrong */ 500007eceaSXiao Guangrong double stddev_stats(struct stats *stats) 510007eceaSXiao Guangrong { 520007eceaSXiao Guangrong double variance, variance_mean; 530007eceaSXiao Guangrong 5445528f7cSDavid Ahern if (stats->n < 2) 550007eceaSXiao Guangrong return 0.0; 560007eceaSXiao Guangrong 570007eceaSXiao Guangrong variance = stats->M2 / (stats->n - 1); 580007eceaSXiao Guangrong variance_mean = variance / stats->n; 590007eceaSXiao Guangrong 600007eceaSXiao Guangrong return sqrt(variance_mean); 610007eceaSXiao Guangrong } 620007eceaSXiao Guangrong 630007eceaSXiao Guangrong double rel_stddev_stats(double stddev, double avg) 640007eceaSXiao Guangrong { 650007eceaSXiao Guangrong double pct = 0.0; 660007eceaSXiao Guangrong 670007eceaSXiao Guangrong if (avg) 680007eceaSXiao Guangrong pct = 100.0 * stddev/avg; 690007eceaSXiao Guangrong 700007eceaSXiao Guangrong return pct; 710007eceaSXiao Guangrong } 72e2f56da1SJiri Olsa 7332dcd021SJiri Olsa bool __perf_evsel_stat__is(struct evsel *evsel, 74e2f56da1SJiri Olsa enum perf_stat_evsel_id id) 75e2f56da1SJiri Olsa { 76e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 77e2f56da1SJiri Olsa 78e2f56da1SJiri Olsa return ps->id == id; 79e2f56da1SJiri Olsa } 80e2f56da1SJiri Olsa 81e2f56da1SJiri Olsa #define ID(id, name) [PERF_STAT_EVSEL_ID__##id] = #name 82e2f56da1SJiri Olsa static const char *id_str[PERF_STAT_EVSEL_ID__MAX] = { 83e2f56da1SJiri Olsa ID(NONE, x), 844c358d5cSJiri Olsa ID(CYCLES_IN_TX, cpu/cycles-t/), 854c358d5cSJiri Olsa ID(TRANSACTION_START, cpu/tx-start/), 864c358d5cSJiri Olsa ID(ELISION_START, cpu/el-start/), 874c358d5cSJiri Olsa ID(CYCLES_IN_TX_CP, cpu/cycles-ct/), 88239bd47fSAndi Kleen ID(TOPDOWN_TOTAL_SLOTS, topdown-total-slots), 89239bd47fSAndi Kleen ID(TOPDOWN_SLOTS_ISSUED, topdown-slots-issued), 90239bd47fSAndi Kleen ID(TOPDOWN_SLOTS_RETIRED, topdown-slots-retired), 91239bd47fSAndi Kleen ID(TOPDOWN_FETCH_BUBBLES, topdown-fetch-bubbles), 92239bd47fSAndi Kleen ID(TOPDOWN_RECOVERY_BUBBLES, topdown-recovery-bubbles), 93daefd0bcSKan Liang ID(SMI_NUM, msr/smi/), 94daefd0bcSKan Liang ID(APERF, msr/aperf/), 95e2f56da1SJiri Olsa }; 96e2f56da1SJiri Olsa #undef ID 97e2f56da1SJiri Olsa 9832dcd021SJiri Olsa static void perf_stat_evsel_id_init(struct evsel *evsel) 99e2f56da1SJiri Olsa { 100e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 101e2f56da1SJiri Olsa int i; 102e2f56da1SJiri Olsa 103e2f56da1SJiri Olsa /* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */ 104e2f56da1SJiri Olsa 105e2f56da1SJiri Olsa for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) { 106e2f56da1SJiri Olsa if (!strcmp(perf_evsel__name(evsel), id_str[i])) { 107e2f56da1SJiri Olsa ps->id = i; 108e2f56da1SJiri Olsa break; 109e2f56da1SJiri Olsa } 110e2f56da1SJiri Olsa } 111e2f56da1SJiri Olsa } 112a9a3a4d9SJiri Olsa 11332dcd021SJiri Olsa static void perf_evsel__reset_stat_priv(struct evsel *evsel) 1149689edfaSJiri Olsa { 1159689edfaSJiri Olsa int i; 116e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 1179689edfaSJiri Olsa 1189689edfaSJiri Olsa for (i = 0; i < 3; i++) 1199689edfaSJiri Olsa init_stats(&ps->res_stats[i]); 1209689edfaSJiri Olsa 1219689edfaSJiri Olsa perf_stat_evsel_id_init(evsel); 1229689edfaSJiri Olsa } 1239689edfaSJiri Olsa 12432dcd021SJiri Olsa static int perf_evsel__alloc_stat_priv(struct evsel *evsel) 1259689edfaSJiri Olsa { 126e669e833SArnaldo Carvalho de Melo evsel->stats = zalloc(sizeof(struct perf_stat_evsel)); 127e669e833SArnaldo Carvalho de Melo if (evsel->stats == NULL) 1289689edfaSJiri Olsa return -ENOMEM; 1299689edfaSJiri Olsa perf_evsel__reset_stat_priv(evsel); 1309689edfaSJiri Olsa return 0; 1319689edfaSJiri Olsa } 1329689edfaSJiri Olsa 13332dcd021SJiri Olsa static void perf_evsel__free_stat_priv(struct evsel *evsel) 1349689edfaSJiri Olsa { 135e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 136f7794d52SJiri Olsa 137f7794d52SJiri Olsa if (ps) 138d8f9da24SArnaldo Carvalho de Melo zfree(&ps->group_data); 139e669e833SArnaldo Carvalho de Melo zfree(&evsel->stats); 1409689edfaSJiri Olsa } 141a939512dSJiri Olsa 14232dcd021SJiri Olsa static int perf_evsel__alloc_prev_raw_counts(struct evsel *evsel, 143a939512dSJiri Olsa int ncpus, int nthreads) 144a939512dSJiri Olsa { 145a939512dSJiri Olsa struct perf_counts *counts; 146a939512dSJiri Olsa 147a939512dSJiri Olsa counts = perf_counts__new(ncpus, nthreads); 148a939512dSJiri Olsa if (counts) 149a939512dSJiri Olsa evsel->prev_raw_counts = counts; 150a939512dSJiri Olsa 151a939512dSJiri Olsa return counts ? 0 : -ENOMEM; 152a939512dSJiri Olsa } 153a939512dSJiri Olsa 15432dcd021SJiri Olsa static void perf_evsel__free_prev_raw_counts(struct evsel *evsel) 155a939512dSJiri Olsa { 156a939512dSJiri Olsa perf_counts__delete(evsel->prev_raw_counts); 157a939512dSJiri Olsa evsel->prev_raw_counts = NULL; 158a939512dSJiri Olsa } 15924e34f68SJiri Olsa 16032dcd021SJiri Olsa static int perf_evsel__alloc_stats(struct evsel *evsel, bool alloc_raw) 16124e34f68SJiri Olsa { 16224e34f68SJiri Olsa int ncpus = perf_evsel__nr_cpus(evsel); 163a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(evsel->core.threads); 16424e34f68SJiri Olsa 16524e34f68SJiri Olsa if (perf_evsel__alloc_stat_priv(evsel) < 0 || 16624e34f68SJiri Olsa perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 || 16724e34f68SJiri Olsa (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0)) 168a7d0a102SJiri Olsa return -ENOMEM; 169a7d0a102SJiri Olsa 170a7d0a102SJiri Olsa return 0; 171a7d0a102SJiri Olsa } 172a7d0a102SJiri Olsa 17363503dbaSJiri Olsa int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw) 174a7d0a102SJiri Olsa { 17532dcd021SJiri Olsa struct evsel *evsel; 176a7d0a102SJiri Olsa 177e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 178a7d0a102SJiri Olsa if (perf_evsel__alloc_stats(evsel, alloc_raw)) 17924e34f68SJiri Olsa goto out_free; 18024e34f68SJiri Olsa } 18124e34f68SJiri Olsa 18224e34f68SJiri Olsa return 0; 18324e34f68SJiri Olsa 18424e34f68SJiri Olsa out_free: 18524e34f68SJiri Olsa perf_evlist__free_stats(evlist); 18624e34f68SJiri Olsa return -1; 18724e34f68SJiri Olsa } 18824e34f68SJiri Olsa 18963503dbaSJiri Olsa void perf_evlist__free_stats(struct evlist *evlist) 19024e34f68SJiri Olsa { 19132dcd021SJiri Olsa struct evsel *evsel; 19224e34f68SJiri Olsa 193e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 19424e34f68SJiri Olsa perf_evsel__free_stat_priv(evsel); 19524e34f68SJiri Olsa perf_evsel__free_counts(evsel); 19624e34f68SJiri Olsa perf_evsel__free_prev_raw_counts(evsel); 19724e34f68SJiri Olsa } 19824e34f68SJiri Olsa } 19924e34f68SJiri Olsa 20063503dbaSJiri Olsa void perf_evlist__reset_stats(struct evlist *evlist) 20124e34f68SJiri Olsa { 20232dcd021SJiri Olsa struct evsel *evsel; 20324e34f68SJiri Olsa 204e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 20524e34f68SJiri Olsa perf_evsel__reset_stat_priv(evsel); 20624e34f68SJiri Olsa perf_evsel__reset_counts(evsel); 20724e34f68SJiri Olsa } 20824e34f68SJiri Olsa } 209f80010ebSJiri Olsa 21032dcd021SJiri Olsa static void zero_per_pkg(struct evsel *counter) 211f80010ebSJiri Olsa { 212f80010ebSJiri Olsa if (counter->per_pkg_mask) 213f80010ebSJiri Olsa memset(counter->per_pkg_mask, 0, MAX_NR_CPUS); 214f80010ebSJiri Olsa } 215f80010ebSJiri Olsa 21632dcd021SJiri Olsa static int check_per_pkg(struct evsel *counter, 21702d8dabcSStephane Eranian struct perf_counts_values *vals, int cpu, bool *skip) 218f80010ebSJiri Olsa { 219f80010ebSJiri Olsa unsigned long *mask = counter->per_pkg_mask; 220b49aca3eSJiri Olsa struct perf_cpu_map *cpus = evsel__cpus(counter); 221f80010ebSJiri Olsa int s; 222f80010ebSJiri Olsa 223f80010ebSJiri Olsa *skip = false; 224f80010ebSJiri Olsa 225f80010ebSJiri Olsa if (!counter->per_pkg) 226f80010ebSJiri Olsa return 0; 227f80010ebSJiri Olsa 228315c0a1fSJiri Olsa if (perf_cpu_map__empty(cpus)) 229f80010ebSJiri Olsa return 0; 230f80010ebSJiri Olsa 231f80010ebSJiri Olsa if (!mask) { 232f80010ebSJiri Olsa mask = zalloc(MAX_NR_CPUS); 233f80010ebSJiri Olsa if (!mask) 234f80010ebSJiri Olsa return -ENOMEM; 235f80010ebSJiri Olsa 236f80010ebSJiri Olsa counter->per_pkg_mask = mask; 237f80010ebSJiri Olsa } 238f80010ebSJiri Olsa 23902d8dabcSStephane Eranian /* 24002d8dabcSStephane Eranian * we do not consider an event that has not run as a good 24102d8dabcSStephane Eranian * instance to mark a package as used (skip=1). Otherwise 24202d8dabcSStephane Eranian * we may run into a situation where the first CPU in a package 24302d8dabcSStephane Eranian * is not running anything, yet the second is, and this function 24402d8dabcSStephane Eranian * would mark the package as used after the first CPU and would 24502d8dabcSStephane Eranian * not read the values from the second CPU. 24602d8dabcSStephane Eranian */ 24702d8dabcSStephane Eranian if (!(vals->run && vals->ena)) 24802d8dabcSStephane Eranian return 0; 24902d8dabcSStephane Eranian 2501fe7a300SJiri Olsa s = cpu_map__get_socket(cpus, cpu, NULL); 251f80010ebSJiri Olsa if (s < 0) 252f80010ebSJiri Olsa return -1; 253f80010ebSJiri Olsa 254f80010ebSJiri Olsa *skip = test_and_set_bit(s, mask) == 1; 255f80010ebSJiri Olsa return 0; 256f80010ebSJiri Olsa } 257f80010ebSJiri Olsa 258f80010ebSJiri Olsa static int 25932dcd021SJiri Olsa process_counter_values(struct perf_stat_config *config, struct evsel *evsel, 260f80010ebSJiri Olsa int cpu, int thread, 261f80010ebSJiri Olsa struct perf_counts_values *count) 262f80010ebSJiri Olsa { 263f80010ebSJiri Olsa struct perf_counts_values *aggr = &evsel->counts->aggr; 264f80010ebSJiri Olsa static struct perf_counts_values zero; 265f80010ebSJiri Olsa bool skip = false; 266f80010ebSJiri Olsa 26702d8dabcSStephane Eranian if (check_per_pkg(evsel, count, cpu, &skip)) { 268f80010ebSJiri Olsa pr_err("failed to read per-pkg counter\n"); 269f80010ebSJiri Olsa return -1; 270f80010ebSJiri Olsa } 271f80010ebSJiri Olsa 272f80010ebSJiri Olsa if (skip) 273f80010ebSJiri Olsa count = &zero; 274f80010ebSJiri Olsa 275f80010ebSJiri Olsa switch (config->aggr_mode) { 276f80010ebSJiri Olsa case AGGR_THREAD: 277f80010ebSJiri Olsa case AGGR_CORE: 278db5742b6SKan Liang case AGGR_DIE: 279f80010ebSJiri Olsa case AGGR_SOCKET: 280f80010ebSJiri Olsa case AGGR_NONE: 281f80010ebSJiri Olsa if (!evsel->snapshot) 282f80010ebSJiri Olsa perf_evsel__compute_deltas(evsel, cpu, thread, count); 283f80010ebSJiri Olsa perf_counts_values__scale(count, config->scale, NULL); 2844fc4d8dfSJin Yao if ((config->aggr_mode == AGGR_NONE) && (!evsel->percore)) { 2854fc4d8dfSJin Yao perf_stat__update_shadow_stats(evsel, count->val, 2864fc4d8dfSJin Yao cpu, &rt_stat); 2874fc4d8dfSJin Yao } 2884fc4d8dfSJin Yao 28914e72a21SJin Yao if (config->aggr_mode == AGGR_THREAD) { 29014e72a21SJin Yao if (config->stats) 29114e72a21SJin Yao perf_stat__update_shadow_stats(evsel, 29214e72a21SJin Yao count->val, 0, &config->stats[thread]); 29314e72a21SJin Yao else 29414e72a21SJin Yao perf_stat__update_shadow_stats(evsel, 29514e72a21SJin Yao count->val, 0, &rt_stat); 29614e72a21SJin Yao } 297f80010ebSJiri Olsa break; 298f80010ebSJiri Olsa case AGGR_GLOBAL: 299f80010ebSJiri Olsa aggr->val += count->val; 300f80010ebSJiri Olsa aggr->ena += count->ena; 301f80010ebSJiri Olsa aggr->run += count->run; 302208df99eSJiri Olsa case AGGR_UNSET: 303f80010ebSJiri Olsa default: 304f80010ebSJiri Olsa break; 305f80010ebSJiri Olsa } 306f80010ebSJiri Olsa 307f80010ebSJiri Olsa return 0; 308f80010ebSJiri Olsa } 309f80010ebSJiri Olsa 310f80010ebSJiri Olsa static int process_counter_maps(struct perf_stat_config *config, 31132dcd021SJiri Olsa struct evsel *counter) 312f80010ebSJiri Olsa { 313a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(counter->core.threads); 314f80010ebSJiri Olsa int ncpus = perf_evsel__nr_cpus(counter); 315f80010ebSJiri Olsa int cpu, thread; 316f80010ebSJiri Olsa 317f80010ebSJiri Olsa if (counter->system_wide) 318f80010ebSJiri Olsa nthreads = 1; 319f80010ebSJiri Olsa 320f80010ebSJiri Olsa for (thread = 0; thread < nthreads; thread++) { 321f80010ebSJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 322f80010ebSJiri Olsa if (process_counter_values(config, counter, cpu, thread, 323f80010ebSJiri Olsa perf_counts(counter->counts, cpu, thread))) 324f80010ebSJiri Olsa return -1; 325f80010ebSJiri Olsa } 326f80010ebSJiri Olsa } 327f80010ebSJiri Olsa 328f80010ebSJiri Olsa return 0; 329f80010ebSJiri Olsa } 330f80010ebSJiri Olsa 331f80010ebSJiri Olsa int perf_stat_process_counter(struct perf_stat_config *config, 33232dcd021SJiri Olsa struct evsel *counter) 333f80010ebSJiri Olsa { 334f80010ebSJiri Olsa struct perf_counts_values *aggr = &counter->counts->aggr; 335e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = counter->stats; 336f80010ebSJiri Olsa u64 *count = counter->counts->aggr.values; 337f80010ebSJiri Olsa int i, ret; 338f80010ebSJiri Olsa 339f80010ebSJiri Olsa aggr->val = aggr->ena = aggr->run = 0; 340f80010ebSJiri Olsa 34151fd2df1SJiri Olsa /* 34251fd2df1SJiri Olsa * We calculate counter's data every interval, 34351fd2df1SJiri Olsa * and the display code shows ps->res_stats 34451fd2df1SJiri Olsa * avg value. We need to zero the stats for 34551fd2df1SJiri Olsa * interval mode, otherwise overall avg running 34651fd2df1SJiri Olsa * averages will be shown for each interval. 34751fd2df1SJiri Olsa */ 34851fd2df1SJiri Olsa if (config->interval) 34951fd2df1SJiri Olsa init_stats(ps->res_stats); 35051fd2df1SJiri Olsa 351f80010ebSJiri Olsa if (counter->per_pkg) 352f80010ebSJiri Olsa zero_per_pkg(counter); 353f80010ebSJiri Olsa 354f80010ebSJiri Olsa ret = process_counter_maps(config, counter); 355f80010ebSJiri Olsa if (ret) 356f80010ebSJiri Olsa return ret; 357f80010ebSJiri Olsa 358f80010ebSJiri Olsa if (config->aggr_mode != AGGR_GLOBAL) 359f80010ebSJiri Olsa return 0; 360f80010ebSJiri Olsa 361f80010ebSJiri Olsa if (!counter->snapshot) 362f80010ebSJiri Olsa perf_evsel__compute_deltas(counter, -1, -1, aggr); 363f80010ebSJiri Olsa perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled); 364f80010ebSJiri Olsa 365f80010ebSJiri Olsa for (i = 0; i < 3; i++) 366f80010ebSJiri Olsa update_stats(&ps->res_stats[i], count[i]); 367f80010ebSJiri Olsa 368bb963e16SNamhyung Kim if (verbose > 0) { 369f80010ebSJiri Olsa fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 370f80010ebSJiri Olsa perf_evsel__name(counter), count[0], count[1], count[2]); 371f80010ebSJiri Olsa } 372f80010ebSJiri Olsa 373f80010ebSJiri Olsa /* 374f80010ebSJiri Olsa * Save the full runtime - to allow normalization during printout: 375f80010ebSJiri Olsa */ 3761fcd0394SJin Yao perf_stat__update_shadow_stats(counter, *count, 0, &rt_stat); 377f80010ebSJiri Olsa 378f80010ebSJiri Olsa return 0; 379f80010ebSJiri Olsa } 3800ea0e355SJiri Olsa 38189f1688aSJiri Olsa int perf_event__process_stat_event(struct perf_session *session, 38289f1688aSJiri Olsa union perf_event *event) 3830ea0e355SJiri Olsa { 3840ea0e355SJiri Olsa struct perf_counts_values count; 3850ea0e355SJiri Olsa struct stat_event *st = &event->stat; 38632dcd021SJiri Olsa struct evsel *counter; 3870ea0e355SJiri Olsa 3880ea0e355SJiri Olsa count.val = st->val; 3890ea0e355SJiri Olsa count.ena = st->ena; 3900ea0e355SJiri Olsa count.run = st->run; 3910ea0e355SJiri Olsa 3920ea0e355SJiri Olsa counter = perf_evlist__id2evsel(session->evlist, st->id); 3930ea0e355SJiri Olsa if (!counter) { 3940ea0e355SJiri Olsa pr_err("Failed to resolve counter for stat event.\n"); 3950ea0e355SJiri Olsa return -EINVAL; 3960ea0e355SJiri Olsa } 3970ea0e355SJiri Olsa 3980ea0e355SJiri Olsa *perf_counts(counter->counts, st->cpu, st->thread) = count; 3990ea0e355SJiri Olsa counter->supported = true; 4000ea0e355SJiri Olsa return 0; 4010ea0e355SJiri Olsa } 402e08a4564SJiri Olsa 403e08a4564SJiri Olsa size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp) 404e08a4564SJiri Olsa { 405e08a4564SJiri Olsa struct stat_event *st = (struct stat_event *) event; 406e08a4564SJiri Olsa size_t ret; 407e08a4564SJiri Olsa 408e08a4564SJiri Olsa ret = fprintf(fp, "\n... id %" PRIu64 ", cpu %d, thread %d\n", 409e08a4564SJiri Olsa st->id, st->cpu, st->thread); 410e08a4564SJiri Olsa ret += fprintf(fp, "... value %" PRIu64 ", enabled %" PRIu64 ", running %" PRIu64 "\n", 411e08a4564SJiri Olsa st->val, st->ena, st->run); 412e08a4564SJiri Olsa 413e08a4564SJiri Olsa return ret; 414e08a4564SJiri Olsa } 415e08a4564SJiri Olsa 416e08a4564SJiri Olsa size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp) 417e08a4564SJiri Olsa { 418e08a4564SJiri Olsa struct stat_round_event *rd = (struct stat_round_event *)event; 419e08a4564SJiri Olsa size_t ret; 420e08a4564SJiri Olsa 421e08a4564SJiri Olsa ret = fprintf(fp, "\n... time %" PRIu64 ", type %s\n", rd->time, 422e08a4564SJiri Olsa rd->type == PERF_STAT_ROUND_TYPE__FINAL ? "FINAL" : "INTERVAL"); 423e08a4564SJiri Olsa 424e08a4564SJiri Olsa return ret; 425e08a4564SJiri Olsa } 426e08a4564SJiri Olsa 427e08a4564SJiri Olsa size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp) 428e08a4564SJiri Olsa { 429e08a4564SJiri Olsa struct perf_stat_config sc; 430e08a4564SJiri Olsa size_t ret; 431e08a4564SJiri Olsa 432e08a4564SJiri Olsa perf_event__read_stat_config(&sc, &event->stat_config); 433e08a4564SJiri Olsa 434e08a4564SJiri Olsa ret = fprintf(fp, "\n"); 435e08a4564SJiri Olsa ret += fprintf(fp, "... aggr_mode %d\n", sc.aggr_mode); 436e08a4564SJiri Olsa ret += fprintf(fp, "... scale %d\n", sc.scale); 437e08a4564SJiri Olsa ret += fprintf(fp, "... interval %u\n", sc.interval); 438e08a4564SJiri Olsa 439e08a4564SJiri Olsa return ret; 440e08a4564SJiri Olsa } 441d09cefd2SJiri Olsa 44232dcd021SJiri Olsa int create_perf_stat_counter(struct evsel *evsel, 443d09cefd2SJiri Olsa struct perf_stat_config *config, 444d09cefd2SJiri Olsa struct target *target) 445d09cefd2SJiri Olsa { 4461fc632ceSJiri Olsa struct perf_event_attr *attr = &evsel->core.attr; 44732dcd021SJiri Olsa struct evsel *leader = evsel->leader; 448d09cefd2SJiri Olsa 449d09cefd2SJiri Olsa attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 450d09cefd2SJiri Olsa PERF_FORMAT_TOTAL_TIME_RUNNING; 451d09cefd2SJiri Olsa 452d09cefd2SJiri Olsa /* 453d09cefd2SJiri Olsa * The event is part of non trivial group, let's enable 454d09cefd2SJiri Olsa * the group read (for leader) and ID retrieval for all 455d09cefd2SJiri Olsa * members. 456d09cefd2SJiri Olsa */ 4575643b1a5SJiri Olsa if (leader->core.nr_members > 1) 458d09cefd2SJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 459d09cefd2SJiri Olsa 460d09cefd2SJiri Olsa attr->inherit = !config->no_inherit; 461d09cefd2SJiri Olsa 462d09cefd2SJiri Olsa /* 463d09cefd2SJiri Olsa * Some events get initialized with sample_(period/type) set, 464d09cefd2SJiri Olsa * like tracepoints. Clear it up for counting. 465d09cefd2SJiri Olsa */ 466d09cefd2SJiri Olsa attr->sample_period = 0; 467d09cefd2SJiri Olsa 468d09cefd2SJiri Olsa if (config->identifier) 469d09cefd2SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 470d09cefd2SJiri Olsa 471d09cefd2SJiri Olsa /* 472d09cefd2SJiri Olsa * Disabling all counters initially, they will be enabled 473d09cefd2SJiri Olsa * either manually by us or by kernel via enable_on_exec 474d09cefd2SJiri Olsa * set later. 475d09cefd2SJiri Olsa */ 476d09cefd2SJiri Olsa if (perf_evsel__is_group_leader(evsel)) { 477d09cefd2SJiri Olsa attr->disabled = 1; 478d09cefd2SJiri Olsa 479d09cefd2SJiri Olsa /* 480d09cefd2SJiri Olsa * In case of initial_delay we enable tracee 481d09cefd2SJiri Olsa * events manually. 482d09cefd2SJiri Olsa */ 483d09cefd2SJiri Olsa if (target__none(target) && !config->initial_delay) 484d09cefd2SJiri Olsa attr->enable_on_exec = 1; 485d09cefd2SJiri Olsa } 486d09cefd2SJiri Olsa 487d09cefd2SJiri Olsa if (target__has_cpu(target) && !target__has_per_thread(target)) 488b49aca3eSJiri Olsa return perf_evsel__open_per_cpu(evsel, evsel__cpus(evsel)); 489d09cefd2SJiri Olsa 490af663bd0SJiri Olsa return perf_evsel__open_per_thread(evsel, evsel->core.threads); 491d09cefd2SJiri Olsa } 4920a4e64d3SJiri Olsa 4930a4e64d3SJiri Olsa int perf_stat_synthesize_config(struct perf_stat_config *config, 4940a4e64d3SJiri Olsa struct perf_tool *tool, 49563503dbaSJiri Olsa struct evlist *evlist, 4960a4e64d3SJiri Olsa perf_event__handler_t process, 4970a4e64d3SJiri Olsa bool attrs) 4980a4e64d3SJiri Olsa { 4990a4e64d3SJiri Olsa int err; 5000a4e64d3SJiri Olsa 5010a4e64d3SJiri Olsa if (attrs) { 5020a4e64d3SJiri Olsa err = perf_event__synthesize_attrs(tool, evlist, process); 5030a4e64d3SJiri Olsa if (err < 0) { 5040a4e64d3SJiri Olsa pr_err("Couldn't synthesize attrs.\n"); 5050a4e64d3SJiri Olsa return err; 5060a4e64d3SJiri Olsa } 5070a4e64d3SJiri Olsa } 5080a4e64d3SJiri Olsa 5090a4e64d3SJiri Olsa err = perf_event__synthesize_extra_attr(tool, evlist, process, 5100a4e64d3SJiri Olsa attrs); 5110a4e64d3SJiri Olsa 51203617c22SJiri Olsa err = perf_event__synthesize_thread_map2(tool, evlist->core.threads, 5130a4e64d3SJiri Olsa process, NULL); 5140a4e64d3SJiri Olsa if (err < 0) { 5150a4e64d3SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5160a4e64d3SJiri Olsa return err; 5170a4e64d3SJiri Olsa } 5180a4e64d3SJiri Olsa 519f72f901dSJiri Olsa err = perf_event__synthesize_cpu_map(tool, evlist->core.cpus, 5200a4e64d3SJiri Olsa process, NULL); 5210a4e64d3SJiri Olsa if (err < 0) { 5220a4e64d3SJiri Olsa pr_err("Couldn't synthesize thread map.\n"); 5230a4e64d3SJiri Olsa return err; 5240a4e64d3SJiri Olsa } 5250a4e64d3SJiri Olsa 5260a4e64d3SJiri Olsa err = perf_event__synthesize_stat_config(tool, config, process, NULL); 5270a4e64d3SJiri Olsa if (err < 0) { 5280a4e64d3SJiri Olsa pr_err("Couldn't synthesize config.\n"); 5290a4e64d3SJiri Olsa return err; 5300a4e64d3SJiri Olsa } 5310a4e64d3SJiri Olsa 5320a4e64d3SJiri Olsa return 0; 5330a4e64d3SJiri Olsa } 534