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> 5f2a39fe8SArnaldo Carvalho de Melo #include <string.h> 6bfc49182SArnaldo Carvalho de Melo #include "counts.h" 787ffb6c6SArnaldo Carvalho de Melo #include "cpumap.h" 8b4209025SArnaldo Carvalho de Melo #include "debug.h" 9f2a39fe8SArnaldo Carvalho de Melo #include "header.h" 100007eceaSXiao Guangrong #include "stat.h" 11f2a39fe8SArnaldo Carvalho de Melo #include "session.h" 12aeb00b1aSArnaldo Carvalho de Melo #include "target.h" 1324e34f68SJiri Olsa #include "evlist.h" 14e2f56da1SJiri Olsa #include "evsel.h" 1524e34f68SJiri Olsa #include "thread_map.h" 167f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 170007eceaSXiao Guangrong 180007eceaSXiao Guangrong void update_stats(struct stats *stats, u64 val) 190007eceaSXiao Guangrong { 200007eceaSXiao Guangrong double delta; 210007eceaSXiao Guangrong 220007eceaSXiao Guangrong stats->n++; 230007eceaSXiao Guangrong delta = val - stats->mean; 240007eceaSXiao Guangrong stats->mean += delta / stats->n; 250007eceaSXiao Guangrong stats->M2 += delta*(val - stats->mean); 26ffe4f3c0SDavid Ahern 27ffe4f3c0SDavid Ahern if (val > stats->max) 28ffe4f3c0SDavid Ahern stats->max = val; 29ffe4f3c0SDavid Ahern 30ffe4f3c0SDavid Ahern if (val < stats->min) 31ffe4f3c0SDavid Ahern stats->min = val; 320007eceaSXiao Guangrong } 330007eceaSXiao Guangrong 340007eceaSXiao Guangrong double avg_stats(struct stats *stats) 350007eceaSXiao Guangrong { 360007eceaSXiao Guangrong return stats->mean; 370007eceaSXiao Guangrong } 380007eceaSXiao Guangrong 390007eceaSXiao Guangrong /* 400007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance 410007eceaSXiao Guangrong * 420007eceaSXiao Guangrong * (\Sum n_i^2) - ((\Sum n_i)^2)/n 430007eceaSXiao Guangrong * s^2 = ------------------------------- 440007eceaSXiao Guangrong * n - 1 450007eceaSXiao Guangrong * 460007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Stddev 470007eceaSXiao Guangrong * 480007eceaSXiao Guangrong * The std dev of the mean is related to the std dev by: 490007eceaSXiao Guangrong * 500007eceaSXiao Guangrong * s 510007eceaSXiao Guangrong * s_mean = ------- 520007eceaSXiao Guangrong * sqrt(n) 530007eceaSXiao Guangrong * 540007eceaSXiao Guangrong */ 550007eceaSXiao Guangrong double stddev_stats(struct stats *stats) 560007eceaSXiao Guangrong { 570007eceaSXiao Guangrong double variance, variance_mean; 580007eceaSXiao Guangrong 5945528f7cSDavid Ahern if (stats->n < 2) 600007eceaSXiao Guangrong return 0.0; 610007eceaSXiao Guangrong 620007eceaSXiao Guangrong variance = stats->M2 / (stats->n - 1); 630007eceaSXiao Guangrong variance_mean = variance / stats->n; 640007eceaSXiao Guangrong 650007eceaSXiao Guangrong return sqrt(variance_mean); 660007eceaSXiao Guangrong } 670007eceaSXiao Guangrong 680007eceaSXiao Guangrong double rel_stddev_stats(double stddev, double avg) 690007eceaSXiao Guangrong { 700007eceaSXiao Guangrong double pct = 0.0; 710007eceaSXiao Guangrong 720007eceaSXiao Guangrong if (avg) 730007eceaSXiao Guangrong pct = 100.0 * stddev/avg; 740007eceaSXiao Guangrong 750007eceaSXiao Guangrong return pct; 760007eceaSXiao Guangrong } 77e2f56da1SJiri Olsa 7832dcd021SJiri Olsa bool __perf_evsel_stat__is(struct evsel *evsel, 79e2f56da1SJiri Olsa enum perf_stat_evsel_id id) 80e2f56da1SJiri Olsa { 81e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 82e2f56da1SJiri Olsa 83e2f56da1SJiri Olsa return ps->id == id; 84e2f56da1SJiri Olsa } 85e2f56da1SJiri Olsa 86e2f56da1SJiri Olsa #define ID(id, name) [PERF_STAT_EVSEL_ID__##id] = #name 87e2f56da1SJiri Olsa static const char *id_str[PERF_STAT_EVSEL_ID__MAX] = { 88e2f56da1SJiri Olsa ID(NONE, x), 894c358d5cSJiri Olsa ID(CYCLES_IN_TX, cpu/cycles-t/), 904c358d5cSJiri Olsa ID(TRANSACTION_START, cpu/tx-start/), 914c358d5cSJiri Olsa ID(ELISION_START, cpu/el-start/), 924c358d5cSJiri Olsa ID(CYCLES_IN_TX_CP, cpu/cycles-ct/), 93239bd47fSAndi Kleen ID(TOPDOWN_TOTAL_SLOTS, topdown-total-slots), 94239bd47fSAndi Kleen ID(TOPDOWN_SLOTS_ISSUED, topdown-slots-issued), 95239bd47fSAndi Kleen ID(TOPDOWN_SLOTS_RETIRED, topdown-slots-retired), 96239bd47fSAndi Kleen ID(TOPDOWN_FETCH_BUBBLES, topdown-fetch-bubbles), 97239bd47fSAndi Kleen ID(TOPDOWN_RECOVERY_BUBBLES, topdown-recovery-bubbles), 9855c36a9fSAndi Kleen ID(TOPDOWN_RETIRING, topdown-retiring), 9955c36a9fSAndi Kleen ID(TOPDOWN_BAD_SPEC, topdown-bad-spec), 10055c36a9fSAndi Kleen ID(TOPDOWN_FE_BOUND, topdown-fe-bound), 10155c36a9fSAndi Kleen ID(TOPDOWN_BE_BOUND, topdown-be-bound), 102daefd0bcSKan Liang ID(SMI_NUM, msr/smi/), 103daefd0bcSKan Liang ID(APERF, msr/aperf/), 104e2f56da1SJiri Olsa }; 105e2f56da1SJiri Olsa #undef ID 106e2f56da1SJiri Olsa 10732dcd021SJiri Olsa static void perf_stat_evsel_id_init(struct evsel *evsel) 108e2f56da1SJiri Olsa { 109e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 110e2f56da1SJiri Olsa int i; 111e2f56da1SJiri Olsa 112e2f56da1SJiri Olsa /* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */ 113e2f56da1SJiri Olsa 114e2f56da1SJiri Olsa for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) { 1158ab2e96dSArnaldo Carvalho de Melo if (!strcmp(evsel__name(evsel), id_str[i])) { 116e2f56da1SJiri Olsa ps->id = i; 117e2f56da1SJiri Olsa break; 118e2f56da1SJiri Olsa } 119e2f56da1SJiri Olsa } 120e2f56da1SJiri Olsa } 121a9a3a4d9SJiri Olsa 1227d1e239eSArnaldo Carvalho de Melo static void evsel__reset_stat_priv(struct evsel *evsel) 1239689edfaSJiri Olsa { 1249689edfaSJiri Olsa int i; 125e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 1269689edfaSJiri Olsa 1279689edfaSJiri Olsa for (i = 0; i < 3; i++) 1289689edfaSJiri Olsa init_stats(&ps->res_stats[i]); 1299689edfaSJiri Olsa 1309689edfaSJiri Olsa perf_stat_evsel_id_init(evsel); 1319689edfaSJiri Olsa } 1329689edfaSJiri Olsa 1337d1e239eSArnaldo Carvalho de Melo static int evsel__alloc_stat_priv(struct evsel *evsel) 1349689edfaSJiri Olsa { 135e669e833SArnaldo Carvalho de Melo evsel->stats = zalloc(sizeof(struct perf_stat_evsel)); 136e669e833SArnaldo Carvalho de Melo if (evsel->stats == NULL) 1379689edfaSJiri Olsa return -ENOMEM; 1387d1e239eSArnaldo Carvalho de Melo evsel__reset_stat_priv(evsel); 1399689edfaSJiri Olsa return 0; 1409689edfaSJiri Olsa } 1419689edfaSJiri Olsa 1427d1e239eSArnaldo Carvalho de Melo static void evsel__free_stat_priv(struct evsel *evsel) 1439689edfaSJiri Olsa { 144e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 145f7794d52SJiri Olsa 146f7794d52SJiri Olsa if (ps) 147d8f9da24SArnaldo Carvalho de Melo zfree(&ps->group_data); 148e669e833SArnaldo Carvalho de Melo zfree(&evsel->stats); 1499689edfaSJiri Olsa } 150a939512dSJiri Olsa 1517d1e239eSArnaldo Carvalho de Melo static int evsel__alloc_prev_raw_counts(struct evsel *evsel, int ncpus, int nthreads) 152a939512dSJiri Olsa { 153a939512dSJiri Olsa struct perf_counts *counts; 154a939512dSJiri Olsa 155a939512dSJiri Olsa counts = perf_counts__new(ncpus, nthreads); 156a939512dSJiri Olsa if (counts) 157a939512dSJiri Olsa evsel->prev_raw_counts = counts; 158a939512dSJiri Olsa 159a939512dSJiri Olsa return counts ? 0 : -ENOMEM; 160a939512dSJiri Olsa } 161a939512dSJiri Olsa 1627d1e239eSArnaldo Carvalho de Melo static void evsel__free_prev_raw_counts(struct evsel *evsel) 163a939512dSJiri Olsa { 164a939512dSJiri Olsa perf_counts__delete(evsel->prev_raw_counts); 165a939512dSJiri Olsa evsel->prev_raw_counts = NULL; 166a939512dSJiri Olsa } 16724e34f68SJiri Olsa 1687d1e239eSArnaldo Carvalho de Melo static void evsel__reset_prev_raw_counts(struct evsel *evsel) 169b63fd11cSSrikar Dronamraju { 170cf4d9bd6SJin Yao if (evsel->prev_raw_counts) 171cf4d9bd6SJin Yao perf_counts__reset(evsel->prev_raw_counts); 172b63fd11cSSrikar Dronamraju } 173b63fd11cSSrikar Dronamraju 1747d1e239eSArnaldo Carvalho de Melo static int evsel__alloc_stats(struct evsel *evsel, bool alloc_raw) 17524e34f68SJiri Olsa { 1765eb88f04SArnaldo Carvalho de Melo int ncpus = evsel__nr_cpus(evsel); 177a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(evsel->core.threads); 17824e34f68SJiri Olsa 1797d1e239eSArnaldo Carvalho de Melo if (evsel__alloc_stat_priv(evsel) < 0 || 1807d1e239eSArnaldo Carvalho de Melo evsel__alloc_counts(evsel, ncpus, nthreads) < 0 || 1817d1e239eSArnaldo Carvalho de Melo (alloc_raw && evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0)) 182a7d0a102SJiri Olsa return -ENOMEM; 183a7d0a102SJiri Olsa 184a7d0a102SJiri Olsa return 0; 185a7d0a102SJiri Olsa } 186a7d0a102SJiri Olsa 18753f5e908SArnaldo Carvalho de Melo int evlist__alloc_stats(struct evlist *evlist, bool alloc_raw) 188a7d0a102SJiri Olsa { 18932dcd021SJiri Olsa struct evsel *evsel; 190a7d0a102SJiri Olsa 191e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 1927d1e239eSArnaldo Carvalho de Melo if (evsel__alloc_stats(evsel, alloc_raw)) 19324e34f68SJiri Olsa goto out_free; 19424e34f68SJiri Olsa } 19524e34f68SJiri Olsa 19624e34f68SJiri Olsa return 0; 19724e34f68SJiri Olsa 19824e34f68SJiri Olsa out_free: 19953f5e908SArnaldo Carvalho de Melo evlist__free_stats(evlist); 20024e34f68SJiri Olsa return -1; 20124e34f68SJiri Olsa } 20224e34f68SJiri Olsa 20353f5e908SArnaldo Carvalho de Melo void evlist__free_stats(struct evlist *evlist) 20424e34f68SJiri Olsa { 20532dcd021SJiri Olsa struct evsel *evsel; 20624e34f68SJiri Olsa 207e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 2087d1e239eSArnaldo Carvalho de Melo evsel__free_stat_priv(evsel); 2097d1e239eSArnaldo Carvalho de Melo evsel__free_counts(evsel); 2107d1e239eSArnaldo Carvalho de Melo evsel__free_prev_raw_counts(evsel); 21124e34f68SJiri Olsa } 21224e34f68SJiri Olsa } 21324e34f68SJiri Olsa 21453f5e908SArnaldo Carvalho de Melo void evlist__reset_stats(struct evlist *evlist) 21524e34f68SJiri Olsa { 21632dcd021SJiri Olsa struct evsel *evsel; 21724e34f68SJiri Olsa 218e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 2197d1e239eSArnaldo Carvalho de Melo evsel__reset_stat_priv(evsel); 2207d1e239eSArnaldo Carvalho de Melo evsel__reset_counts(evsel); 22124e34f68SJiri Olsa } 22224e34f68SJiri Olsa } 223f80010ebSJiri Olsa 22453f5e908SArnaldo Carvalho de Melo void evlist__reset_prev_raw_counts(struct evlist *evlist) 225b63fd11cSSrikar Dronamraju { 226b63fd11cSSrikar Dronamraju struct evsel *evsel; 227b63fd11cSSrikar Dronamraju 228b63fd11cSSrikar Dronamraju evlist__for_each_entry(evlist, evsel) 2297d1e239eSArnaldo Carvalho de Melo evsel__reset_prev_raw_counts(evsel); 230b63fd11cSSrikar Dronamraju } 231b63fd11cSSrikar Dronamraju 23256933029SArnaldo Carvalho de Melo static void evsel__copy_prev_raw_counts(struct evsel *evsel) 233297767acSJin Yao { 234297767acSJin Yao int ncpus = evsel__nr_cpus(evsel); 235297767acSJin Yao int nthreads = perf_thread_map__nr(evsel->core.threads); 236297767acSJin Yao 237297767acSJin Yao for (int thread = 0; thread < nthreads; thread++) { 238297767acSJin Yao for (int cpu = 0; cpu < ncpus; cpu++) { 239297767acSJin Yao *perf_counts(evsel->counts, cpu, thread) = 240297767acSJin Yao *perf_counts(evsel->prev_raw_counts, cpu, 241297767acSJin Yao thread); 242297767acSJin Yao } 243297767acSJin Yao } 244297767acSJin Yao 245297767acSJin Yao evsel->counts->aggr = evsel->prev_raw_counts->aggr; 246297767acSJin Yao } 247297767acSJin Yao 24853f5e908SArnaldo Carvalho de Melo void evlist__copy_prev_raw_counts(struct evlist *evlist) 249297767acSJin Yao { 250297767acSJin Yao struct evsel *evsel; 251297767acSJin Yao 252297767acSJin Yao evlist__for_each_entry(evlist, evsel) 25356933029SArnaldo Carvalho de Melo evsel__copy_prev_raw_counts(evsel); 254297767acSJin Yao } 255297767acSJin Yao 25653f5e908SArnaldo Carvalho de Melo void evlist__save_aggr_prev_raw_counts(struct evlist *evlist) 257905365f4SJin Yao { 258905365f4SJin Yao struct evsel *evsel; 259905365f4SJin Yao 260905365f4SJin Yao /* 261905365f4SJin Yao * To collect the overall statistics for interval mode, 262905365f4SJin Yao * we copy the counts from evsel->prev_raw_counts to 263905365f4SJin Yao * evsel->counts. The perf_stat_process_counter creates 264905365f4SJin Yao * aggr values from per cpu values, but the per cpu values 265905365f4SJin Yao * are 0 for AGGR_GLOBAL. So we use a trick that saves the 266905365f4SJin Yao * previous aggr value to the first member of perf_counts, 267905365f4SJin Yao * then aggr calculation in process_counter_values can work 268905365f4SJin Yao * correctly. 269905365f4SJin Yao */ 270905365f4SJin Yao evlist__for_each_entry(evlist, evsel) { 271905365f4SJin Yao *perf_counts(evsel->prev_raw_counts, 0, 0) = 272905365f4SJin Yao evsel->prev_raw_counts->aggr; 273905365f4SJin Yao } 274905365f4SJin Yao } 275905365f4SJin Yao 27632dcd021SJiri Olsa static void zero_per_pkg(struct evsel *counter) 277f80010ebSJiri Olsa { 278f80010ebSJiri Olsa if (counter->per_pkg_mask) 27992b5a154SKyle Meyer memset(counter->per_pkg_mask, 0, cpu__max_cpu()); 280f80010ebSJiri Olsa } 281f80010ebSJiri Olsa 28232dcd021SJiri Olsa static int check_per_pkg(struct evsel *counter, 28302d8dabcSStephane Eranian struct perf_counts_values *vals, int cpu, bool *skip) 284f80010ebSJiri Olsa { 285f80010ebSJiri Olsa unsigned long *mask = counter->per_pkg_mask; 286b49aca3eSJiri Olsa struct perf_cpu_map *cpus = evsel__cpus(counter); 287f80010ebSJiri Olsa int s; 288f80010ebSJiri Olsa 289f80010ebSJiri Olsa *skip = false; 290f80010ebSJiri Olsa 291f80010ebSJiri Olsa if (!counter->per_pkg) 292f80010ebSJiri Olsa return 0; 293f80010ebSJiri Olsa 294315c0a1fSJiri Olsa if (perf_cpu_map__empty(cpus)) 295f80010ebSJiri Olsa return 0; 296f80010ebSJiri Olsa 297f80010ebSJiri Olsa if (!mask) { 29892b5a154SKyle Meyer mask = zalloc(cpu__max_cpu()); 299f80010ebSJiri Olsa if (!mask) 300f80010ebSJiri Olsa return -ENOMEM; 301f80010ebSJiri Olsa 302f80010ebSJiri Olsa counter->per_pkg_mask = mask; 303f80010ebSJiri Olsa } 304f80010ebSJiri Olsa 30502d8dabcSStephane Eranian /* 30602d8dabcSStephane Eranian * we do not consider an event that has not run as a good 30702d8dabcSStephane Eranian * instance to mark a package as used (skip=1). Otherwise 30802d8dabcSStephane Eranian * we may run into a situation where the first CPU in a package 30902d8dabcSStephane Eranian * is not running anything, yet the second is, and this function 31002d8dabcSStephane Eranian * would mark the package as used after the first CPU and would 31102d8dabcSStephane Eranian * not read the values from the second CPU. 31202d8dabcSStephane Eranian */ 31302d8dabcSStephane Eranian if (!(vals->run && vals->ena)) 31402d8dabcSStephane Eranian return 0; 31502d8dabcSStephane Eranian 316*1a270cb6SJames Clark s = cpu_map__get_socket(cpus, cpu, NULL).socket; 317f80010ebSJiri Olsa if (s < 0) 318f80010ebSJiri Olsa return -1; 319f80010ebSJiri Olsa 320f80010ebSJiri Olsa *skip = test_and_set_bit(s, mask) == 1; 321f80010ebSJiri Olsa return 0; 322f80010ebSJiri Olsa } 323f80010ebSJiri Olsa 324f80010ebSJiri Olsa static int 32532dcd021SJiri Olsa process_counter_values(struct perf_stat_config *config, struct evsel *evsel, 326f80010ebSJiri Olsa int cpu, int thread, 327f80010ebSJiri Olsa struct perf_counts_values *count) 328f80010ebSJiri Olsa { 329f80010ebSJiri Olsa struct perf_counts_values *aggr = &evsel->counts->aggr; 330f80010ebSJiri Olsa static struct perf_counts_values zero; 331f80010ebSJiri Olsa bool skip = false; 332f80010ebSJiri Olsa 33302d8dabcSStephane Eranian if (check_per_pkg(evsel, count, cpu, &skip)) { 334f80010ebSJiri Olsa pr_err("failed to read per-pkg counter\n"); 335f80010ebSJiri Olsa return -1; 336f80010ebSJiri Olsa } 337f80010ebSJiri Olsa 338f80010ebSJiri Olsa if (skip) 339f80010ebSJiri Olsa count = &zero; 340f80010ebSJiri Olsa 341f80010ebSJiri Olsa switch (config->aggr_mode) { 342f80010ebSJiri Olsa case AGGR_THREAD: 343f80010ebSJiri Olsa case AGGR_CORE: 344db5742b6SKan Liang case AGGR_DIE: 345f80010ebSJiri Olsa case AGGR_SOCKET: 34686895b48SJiri Olsa case AGGR_NODE: 347f80010ebSJiri Olsa case AGGR_NONE: 348f80010ebSJiri Olsa if (!evsel->snapshot) 34912f5261dSArnaldo Carvalho de Melo evsel__compute_deltas(evsel, cpu, thread, count); 350f80010ebSJiri Olsa perf_counts_values__scale(count, config->scale, NULL); 3514fc4d8dfSJin Yao if ((config->aggr_mode == AGGR_NONE) && (!evsel->percore)) { 3524fc4d8dfSJin Yao perf_stat__update_shadow_stats(evsel, count->val, 3534fc4d8dfSJin Yao cpu, &rt_stat); 3544fc4d8dfSJin Yao } 3554fc4d8dfSJin Yao 35614e72a21SJin Yao if (config->aggr_mode == AGGR_THREAD) { 35714e72a21SJin Yao if (config->stats) 35814e72a21SJin Yao perf_stat__update_shadow_stats(evsel, 35914e72a21SJin Yao count->val, 0, &config->stats[thread]); 36014e72a21SJin Yao else 36114e72a21SJin Yao perf_stat__update_shadow_stats(evsel, 36214e72a21SJin Yao count->val, 0, &rt_stat); 36314e72a21SJin Yao } 364f80010ebSJiri Olsa break; 365f80010ebSJiri Olsa case AGGR_GLOBAL: 366f80010ebSJiri Olsa aggr->val += count->val; 367f80010ebSJiri Olsa aggr->ena += count->ena; 368f80010ebSJiri Olsa aggr->run += count->run; 369208df99eSJiri Olsa case AGGR_UNSET: 370f80010ebSJiri Olsa default: 371f80010ebSJiri Olsa break; 372f80010ebSJiri Olsa } 373f80010ebSJiri Olsa 374f80010ebSJiri Olsa return 0; 375f80010ebSJiri Olsa } 376f80010ebSJiri Olsa 377f80010ebSJiri Olsa static int process_counter_maps(struct perf_stat_config *config, 37832dcd021SJiri Olsa struct evsel *counter) 379f80010ebSJiri Olsa { 380a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(counter->core.threads); 3815eb88f04SArnaldo Carvalho de Melo int ncpus = evsel__nr_cpus(counter); 382f80010ebSJiri Olsa int cpu, thread; 383f80010ebSJiri Olsa 384648b5af3SJiri Olsa if (counter->core.system_wide) 385f80010ebSJiri Olsa nthreads = 1; 386f80010ebSJiri Olsa 387f80010ebSJiri Olsa for (thread = 0; thread < nthreads; thread++) { 388f80010ebSJiri Olsa for (cpu = 0; cpu < ncpus; cpu++) { 389f80010ebSJiri Olsa if (process_counter_values(config, counter, cpu, thread, 390f80010ebSJiri Olsa perf_counts(counter->counts, cpu, thread))) 391f80010ebSJiri Olsa return -1; 392f80010ebSJiri Olsa } 393f80010ebSJiri Olsa } 394f80010ebSJiri Olsa 395f80010ebSJiri Olsa return 0; 396f80010ebSJiri Olsa } 397f80010ebSJiri Olsa 398f80010ebSJiri Olsa int perf_stat_process_counter(struct perf_stat_config *config, 39932dcd021SJiri Olsa struct evsel *counter) 400f80010ebSJiri Olsa { 401f80010ebSJiri Olsa struct perf_counts_values *aggr = &counter->counts->aggr; 402e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = counter->stats; 403f80010ebSJiri Olsa u64 *count = counter->counts->aggr.values; 404f80010ebSJiri Olsa int i, ret; 405f80010ebSJiri Olsa 406f80010ebSJiri Olsa aggr->val = aggr->ena = aggr->run = 0; 407f80010ebSJiri Olsa 40851fd2df1SJiri Olsa /* 40951fd2df1SJiri Olsa * We calculate counter's data every interval, 41051fd2df1SJiri Olsa * and the display code shows ps->res_stats 41151fd2df1SJiri Olsa * avg value. We need to zero the stats for 41251fd2df1SJiri Olsa * interval mode, otherwise overall avg running 41351fd2df1SJiri Olsa * averages will be shown for each interval. 41451fd2df1SJiri Olsa */ 415c7e5b328SJin Yao if (config->interval || config->summary) { 4160e0bf1eaSJin Yao for (i = 0; i < 3; i++) 4170e0bf1eaSJin Yao init_stats(&ps->res_stats[i]); 4180e0bf1eaSJin Yao } 41951fd2df1SJiri Olsa 420f80010ebSJiri Olsa if (counter->per_pkg) 421f80010ebSJiri Olsa zero_per_pkg(counter); 422f80010ebSJiri Olsa 423f80010ebSJiri Olsa ret = process_counter_maps(config, counter); 424f80010ebSJiri Olsa if (ret) 425f80010ebSJiri Olsa return ret; 426f80010ebSJiri Olsa 427f80010ebSJiri Olsa if (config->aggr_mode != AGGR_GLOBAL) 428f80010ebSJiri Olsa return 0; 429f80010ebSJiri Olsa 430f80010ebSJiri Olsa if (!counter->snapshot) 43112f5261dSArnaldo Carvalho de Melo evsel__compute_deltas(counter, -1, -1, aggr); 432f80010ebSJiri Olsa perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled); 433f80010ebSJiri Olsa 434f80010ebSJiri Olsa for (i = 0; i < 3; i++) 435f80010ebSJiri Olsa update_stats(&ps->res_stats[i], count[i]); 436f80010ebSJiri Olsa 437bb963e16SNamhyung Kim if (verbose > 0) { 438f80010ebSJiri Olsa fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 4398ab2e96dSArnaldo Carvalho de Melo evsel__name(counter), count[0], count[1], count[2]); 440f80010ebSJiri Olsa } 441f80010ebSJiri Olsa 442f80010ebSJiri Olsa /* 443f80010ebSJiri Olsa * Save the full runtime - to allow normalization during printout: 444f80010ebSJiri Olsa */ 4451fcd0394SJin Yao perf_stat__update_shadow_stats(counter, *count, 0, &rt_stat); 446f80010ebSJiri Olsa 447f80010ebSJiri Olsa return 0; 448f80010ebSJiri Olsa } 4490ea0e355SJiri Olsa 45089f1688aSJiri Olsa int perf_event__process_stat_event(struct perf_session *session, 45189f1688aSJiri Olsa union perf_event *event) 4520ea0e355SJiri Olsa { 4530ea0e355SJiri Olsa struct perf_counts_values count; 45472932371SJiri Olsa struct perf_record_stat *st = &event->stat; 45532dcd021SJiri Olsa struct evsel *counter; 4560ea0e355SJiri Olsa 4570ea0e355SJiri Olsa count.val = st->val; 4580ea0e355SJiri Olsa count.ena = st->ena; 4590ea0e355SJiri Olsa count.run = st->run; 4600ea0e355SJiri Olsa 4613ccf8a7bSArnaldo Carvalho de Melo counter = evlist__id2evsel(session->evlist, st->id); 4620ea0e355SJiri Olsa if (!counter) { 4630ea0e355SJiri Olsa pr_err("Failed to resolve counter for stat event.\n"); 4640ea0e355SJiri Olsa return -EINVAL; 4650ea0e355SJiri Olsa } 4660ea0e355SJiri Olsa 4670ea0e355SJiri Olsa *perf_counts(counter->counts, st->cpu, st->thread) = count; 4680ea0e355SJiri Olsa counter->supported = true; 4690ea0e355SJiri Olsa return 0; 4700ea0e355SJiri Olsa } 471e08a4564SJiri Olsa 472e08a4564SJiri Olsa size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp) 473e08a4564SJiri Olsa { 47472932371SJiri Olsa struct perf_record_stat *st = (struct perf_record_stat *)event; 475e08a4564SJiri Olsa size_t ret; 476e08a4564SJiri Olsa 47718a13a60SJiri Olsa ret = fprintf(fp, "\n... id %" PRI_lu64 ", cpu %d, thread %d\n", 478e08a4564SJiri Olsa st->id, st->cpu, st->thread); 47918a13a60SJiri Olsa ret += fprintf(fp, "... value %" PRI_lu64 ", enabled %" PRI_lu64 ", running %" PRI_lu64 "\n", 480e08a4564SJiri Olsa st->val, st->ena, st->run); 481e08a4564SJiri Olsa 482e08a4564SJiri Olsa return ret; 483e08a4564SJiri Olsa } 484e08a4564SJiri Olsa 485e08a4564SJiri Olsa size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp) 486e08a4564SJiri Olsa { 48772932371SJiri Olsa struct perf_record_stat_round *rd = (struct perf_record_stat_round *)event; 488e08a4564SJiri Olsa size_t ret; 489e08a4564SJiri Olsa 490782adbe2SJiri Olsa ret = fprintf(fp, "\n... time %" PRI_lu64 ", type %s\n", rd->time, 491e08a4564SJiri Olsa rd->type == PERF_STAT_ROUND_TYPE__FINAL ? "FINAL" : "INTERVAL"); 492e08a4564SJiri Olsa 493e08a4564SJiri Olsa return ret; 494e08a4564SJiri Olsa } 495e08a4564SJiri Olsa 496e08a4564SJiri Olsa size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp) 497e08a4564SJiri Olsa { 498e08a4564SJiri Olsa struct perf_stat_config sc; 499e08a4564SJiri Olsa size_t ret; 500e08a4564SJiri Olsa 501e08a4564SJiri Olsa perf_event__read_stat_config(&sc, &event->stat_config); 502e08a4564SJiri Olsa 503e08a4564SJiri Olsa ret = fprintf(fp, "\n"); 504e08a4564SJiri Olsa ret += fprintf(fp, "... aggr_mode %d\n", sc.aggr_mode); 505e08a4564SJiri Olsa ret += fprintf(fp, "... scale %d\n", sc.scale); 506e08a4564SJiri Olsa ret += fprintf(fp, "... interval %u\n", sc.interval); 507e08a4564SJiri Olsa 508e08a4564SJiri Olsa return ret; 509e08a4564SJiri Olsa } 510d09cefd2SJiri Olsa 51132dcd021SJiri Olsa int create_perf_stat_counter(struct evsel *evsel, 512d09cefd2SJiri Olsa struct perf_stat_config *config, 5134804e011SAndi Kleen struct target *target, 5144804e011SAndi Kleen int cpu) 515d09cefd2SJiri Olsa { 5161fc632ceSJiri Olsa struct perf_event_attr *attr = &evsel->core.attr; 51732dcd021SJiri Olsa struct evsel *leader = evsel->leader; 518d09cefd2SJiri Olsa 519d09cefd2SJiri Olsa attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 520d09cefd2SJiri Olsa PERF_FORMAT_TOTAL_TIME_RUNNING; 521d09cefd2SJiri Olsa 522d09cefd2SJiri Olsa /* 523d09cefd2SJiri Olsa * The event is part of non trivial group, let's enable 524d09cefd2SJiri Olsa * the group read (for leader) and ID retrieval for all 525d09cefd2SJiri Olsa * members. 526d09cefd2SJiri Olsa */ 5275643b1a5SJiri Olsa if (leader->core.nr_members > 1) 528d09cefd2SJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 529d09cefd2SJiri Olsa 530d09cefd2SJiri Olsa attr->inherit = !config->no_inherit; 531d09cefd2SJiri Olsa 532d09cefd2SJiri Olsa /* 533d09cefd2SJiri Olsa * Some events get initialized with sample_(period/type) set, 534d09cefd2SJiri Olsa * like tracepoints. Clear it up for counting. 535d09cefd2SJiri Olsa */ 536d09cefd2SJiri Olsa attr->sample_period = 0; 537d09cefd2SJiri Olsa 538d09cefd2SJiri Olsa if (config->identifier) 539d09cefd2SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 540d09cefd2SJiri Olsa 541dd071024SJin Yao if (config->all_user) { 542dd071024SJin Yao attr->exclude_kernel = 1; 543dd071024SJin Yao attr->exclude_user = 0; 544dd071024SJin Yao } 545dd071024SJin Yao 546dd071024SJin Yao if (config->all_kernel) { 547dd071024SJin Yao attr->exclude_kernel = 0; 548dd071024SJin Yao attr->exclude_user = 1; 549dd071024SJin Yao } 550dd071024SJin Yao 551d09cefd2SJiri Olsa /* 552d09cefd2SJiri Olsa * Disabling all counters initially, they will be enabled 553d09cefd2SJiri Olsa * either manually by us or by kernel via enable_on_exec 554d09cefd2SJiri Olsa * set later. 555d09cefd2SJiri Olsa */ 556c754c382SArnaldo Carvalho de Melo if (evsel__is_group_leader(evsel)) { 557d09cefd2SJiri Olsa attr->disabled = 1; 558d09cefd2SJiri Olsa 559d09cefd2SJiri Olsa /* 560d09cefd2SJiri Olsa * In case of initial_delay we enable tracee 561d09cefd2SJiri Olsa * events manually. 562d09cefd2SJiri Olsa */ 563d09cefd2SJiri Olsa if (target__none(target) && !config->initial_delay) 564d09cefd2SJiri Olsa attr->enable_on_exec = 1; 565d09cefd2SJiri Olsa } 566d09cefd2SJiri Olsa 567d09cefd2SJiri Olsa if (target__has_cpu(target) && !target__has_per_thread(target)) 568aa8c406bSArnaldo Carvalho de Melo return evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu); 569d09cefd2SJiri Olsa 570aa8c406bSArnaldo Carvalho de Melo return evsel__open_per_thread(evsel, evsel->core.threads); 571d09cefd2SJiri Olsa } 572