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" 16034f7ee1SJin Yao #include "hashmap.h" 177f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 180007eceaSXiao Guangrong 190007eceaSXiao Guangrong void update_stats(struct stats *stats, u64 val) 200007eceaSXiao Guangrong { 210007eceaSXiao Guangrong double delta; 220007eceaSXiao Guangrong 230007eceaSXiao Guangrong stats->n++; 240007eceaSXiao Guangrong delta = val - stats->mean; 250007eceaSXiao Guangrong stats->mean += delta / stats->n; 260007eceaSXiao Guangrong stats->M2 += delta*(val - stats->mean); 27ffe4f3c0SDavid Ahern 28ffe4f3c0SDavid Ahern if (val > stats->max) 29ffe4f3c0SDavid Ahern stats->max = val; 30ffe4f3c0SDavid Ahern 31ffe4f3c0SDavid Ahern if (val < stats->min) 32ffe4f3c0SDavid Ahern stats->min = val; 330007eceaSXiao Guangrong } 340007eceaSXiao Guangrong 350007eceaSXiao Guangrong double avg_stats(struct stats *stats) 360007eceaSXiao Guangrong { 370007eceaSXiao Guangrong return stats->mean; 380007eceaSXiao Guangrong } 390007eceaSXiao Guangrong 400007eceaSXiao Guangrong /* 410007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance 420007eceaSXiao Guangrong * 430007eceaSXiao Guangrong * (\Sum n_i^2) - ((\Sum n_i)^2)/n 440007eceaSXiao Guangrong * s^2 = ------------------------------- 450007eceaSXiao Guangrong * n - 1 460007eceaSXiao Guangrong * 470007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Stddev 480007eceaSXiao Guangrong * 490007eceaSXiao Guangrong * The std dev of the mean is related to the std dev by: 500007eceaSXiao Guangrong * 510007eceaSXiao Guangrong * s 520007eceaSXiao Guangrong * s_mean = ------- 530007eceaSXiao Guangrong * sqrt(n) 540007eceaSXiao Guangrong * 550007eceaSXiao Guangrong */ 560007eceaSXiao Guangrong double stddev_stats(struct stats *stats) 570007eceaSXiao Guangrong { 580007eceaSXiao Guangrong double variance, variance_mean; 590007eceaSXiao Guangrong 6045528f7cSDavid Ahern if (stats->n < 2) 610007eceaSXiao Guangrong return 0.0; 620007eceaSXiao Guangrong 630007eceaSXiao Guangrong variance = stats->M2 / (stats->n - 1); 640007eceaSXiao Guangrong variance_mean = variance / stats->n; 650007eceaSXiao Guangrong 660007eceaSXiao Guangrong return sqrt(variance_mean); 670007eceaSXiao Guangrong } 680007eceaSXiao Guangrong 690007eceaSXiao Guangrong double rel_stddev_stats(double stddev, double avg) 700007eceaSXiao Guangrong { 710007eceaSXiao Guangrong double pct = 0.0; 720007eceaSXiao Guangrong 730007eceaSXiao Guangrong if (avg) 740007eceaSXiao Guangrong pct = 100.0 * stddev/avg; 750007eceaSXiao Guangrong 760007eceaSXiao Guangrong return pct; 770007eceaSXiao Guangrong } 78e2f56da1SJiri Olsa 7990520341SArnaldo Carvalho de Melo bool __perf_stat_evsel__is(struct evsel *evsel, 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), 10263e39aa6SKan Liang ID(TOPDOWN_HEAVY_OPS, topdown-heavy-ops), 10363e39aa6SKan Liang ID(TOPDOWN_BR_MISPREDICT, topdown-br-mispredict), 10463e39aa6SKan Liang ID(TOPDOWN_FETCH_LAT, topdown-fetch-lat), 10563e39aa6SKan Liang ID(TOPDOWN_MEM_BOUND, topdown-mem-bound), 106daefd0bcSKan Liang ID(SMI_NUM, msr/smi/), 107daefd0bcSKan Liang ID(APERF, msr/aperf/), 108e2f56da1SJiri Olsa }; 109e2f56da1SJiri Olsa #undef ID 110e2f56da1SJiri Olsa 11132dcd021SJiri Olsa static void perf_stat_evsel_id_init(struct evsel *evsel) 112e2f56da1SJiri Olsa { 113e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 114e2f56da1SJiri Olsa int i; 115e2f56da1SJiri Olsa 116e2f56da1SJiri Olsa /* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */ 117e2f56da1SJiri Olsa 118e2f56da1SJiri Olsa for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) { 119*d7e3c397SZhengjun Xing if (!strcmp(evsel__name(evsel), id_str[i]) || 120*d7e3c397SZhengjun Xing (strstr(evsel__name(evsel), id_str[i]) && evsel->pmu_name 121*d7e3c397SZhengjun Xing && strstr(evsel__name(evsel), evsel->pmu_name))) { 122e2f56da1SJiri Olsa ps->id = i; 123e2f56da1SJiri Olsa break; 124e2f56da1SJiri Olsa } 125e2f56da1SJiri Olsa } 126e2f56da1SJiri Olsa } 127a9a3a4d9SJiri Olsa 1287d1e239eSArnaldo Carvalho de Melo static void evsel__reset_stat_priv(struct evsel *evsel) 1299689edfaSJiri Olsa { 1309689edfaSJiri Olsa int i; 131e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 1329689edfaSJiri Olsa 1339689edfaSJiri Olsa for (i = 0; i < 3; i++) 1349689edfaSJiri Olsa init_stats(&ps->res_stats[i]); 1359689edfaSJiri Olsa 1369689edfaSJiri Olsa perf_stat_evsel_id_init(evsel); 1379689edfaSJiri Olsa } 1389689edfaSJiri Olsa 1397d1e239eSArnaldo Carvalho de Melo static int evsel__alloc_stat_priv(struct evsel *evsel) 1409689edfaSJiri Olsa { 141e669e833SArnaldo Carvalho de Melo evsel->stats = zalloc(sizeof(struct perf_stat_evsel)); 142e669e833SArnaldo Carvalho de Melo if (evsel->stats == NULL) 1439689edfaSJiri Olsa return -ENOMEM; 1447d1e239eSArnaldo Carvalho de Melo evsel__reset_stat_priv(evsel); 1459689edfaSJiri Olsa return 0; 1469689edfaSJiri Olsa } 1479689edfaSJiri Olsa 1487d1e239eSArnaldo Carvalho de Melo static void evsel__free_stat_priv(struct evsel *evsel) 1499689edfaSJiri Olsa { 150e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 151f7794d52SJiri Olsa 152f7794d52SJiri Olsa if (ps) 153d8f9da24SArnaldo Carvalho de Melo zfree(&ps->group_data); 154e669e833SArnaldo Carvalho de Melo zfree(&evsel->stats); 1559689edfaSJiri Olsa } 156a939512dSJiri Olsa 1572ca0a371SIan Rogers static int evsel__alloc_prev_raw_counts(struct evsel *evsel) 158a939512dSJiri Olsa { 1592ca0a371SIan Rogers int cpu_map_nr = evsel__nr_cpus(evsel); 1602ca0a371SIan Rogers int nthreads = perf_thread_map__nr(evsel->core.threads); 161a939512dSJiri Olsa struct perf_counts *counts; 162a939512dSJiri Olsa 1632ca0a371SIan Rogers counts = perf_counts__new(cpu_map_nr, nthreads); 164a939512dSJiri Olsa if (counts) 165a939512dSJiri Olsa evsel->prev_raw_counts = counts; 166a939512dSJiri Olsa 167a939512dSJiri Olsa return counts ? 0 : -ENOMEM; 168a939512dSJiri Olsa } 169a939512dSJiri Olsa 1707d1e239eSArnaldo Carvalho de Melo static void evsel__free_prev_raw_counts(struct evsel *evsel) 171a939512dSJiri Olsa { 172a939512dSJiri Olsa perf_counts__delete(evsel->prev_raw_counts); 173a939512dSJiri Olsa evsel->prev_raw_counts = NULL; 174a939512dSJiri Olsa } 17524e34f68SJiri Olsa 1767d1e239eSArnaldo Carvalho de Melo static void evsel__reset_prev_raw_counts(struct evsel *evsel) 177b63fd11cSSrikar Dronamraju { 178cf4d9bd6SJin Yao if (evsel->prev_raw_counts) 179cf4d9bd6SJin Yao perf_counts__reset(evsel->prev_raw_counts); 180b63fd11cSSrikar Dronamraju } 181b63fd11cSSrikar Dronamraju 1827d1e239eSArnaldo Carvalho de Melo static int evsel__alloc_stats(struct evsel *evsel, bool alloc_raw) 18324e34f68SJiri Olsa { 1847d1e239eSArnaldo Carvalho de Melo if (evsel__alloc_stat_priv(evsel) < 0 || 1852ca0a371SIan Rogers evsel__alloc_counts(evsel) < 0 || 1862ca0a371SIan Rogers (alloc_raw && evsel__alloc_prev_raw_counts(evsel) < 0)) 187a7d0a102SJiri Olsa return -ENOMEM; 188a7d0a102SJiri Olsa 189a7d0a102SJiri Olsa return 0; 190a7d0a102SJiri Olsa } 191a7d0a102SJiri Olsa 19253f5e908SArnaldo Carvalho de Melo int evlist__alloc_stats(struct evlist *evlist, bool alloc_raw) 193a7d0a102SJiri Olsa { 19432dcd021SJiri Olsa struct evsel *evsel; 195a7d0a102SJiri Olsa 196e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 1977d1e239eSArnaldo Carvalho de Melo if (evsel__alloc_stats(evsel, alloc_raw)) 19824e34f68SJiri Olsa goto out_free; 19924e34f68SJiri Olsa } 20024e34f68SJiri Olsa 20124e34f68SJiri Olsa return 0; 20224e34f68SJiri Olsa 20324e34f68SJiri Olsa out_free: 20453f5e908SArnaldo Carvalho de Melo evlist__free_stats(evlist); 20524e34f68SJiri Olsa return -1; 20624e34f68SJiri Olsa } 20724e34f68SJiri Olsa 20853f5e908SArnaldo Carvalho de Melo void evlist__free_stats(struct evlist *evlist) 20924e34f68SJiri Olsa { 21032dcd021SJiri Olsa struct evsel *evsel; 21124e34f68SJiri Olsa 212e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 2137d1e239eSArnaldo Carvalho de Melo evsel__free_stat_priv(evsel); 2147d1e239eSArnaldo Carvalho de Melo evsel__free_counts(evsel); 2157d1e239eSArnaldo Carvalho de Melo evsel__free_prev_raw_counts(evsel); 21624e34f68SJiri Olsa } 21724e34f68SJiri Olsa } 21824e34f68SJiri Olsa 21953f5e908SArnaldo Carvalho de Melo void evlist__reset_stats(struct evlist *evlist) 22024e34f68SJiri Olsa { 22132dcd021SJiri Olsa struct evsel *evsel; 22224e34f68SJiri Olsa 223e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 2247d1e239eSArnaldo Carvalho de Melo evsel__reset_stat_priv(evsel); 2257d1e239eSArnaldo Carvalho de Melo evsel__reset_counts(evsel); 22624e34f68SJiri Olsa } 22724e34f68SJiri Olsa } 228f80010ebSJiri Olsa 22953f5e908SArnaldo Carvalho de Melo void evlist__reset_prev_raw_counts(struct evlist *evlist) 230b63fd11cSSrikar Dronamraju { 231b63fd11cSSrikar Dronamraju struct evsel *evsel; 232b63fd11cSSrikar Dronamraju 233b63fd11cSSrikar Dronamraju evlist__for_each_entry(evlist, evsel) 2347d1e239eSArnaldo Carvalho de Melo evsel__reset_prev_raw_counts(evsel); 235b63fd11cSSrikar Dronamraju } 236b63fd11cSSrikar Dronamraju 23756933029SArnaldo Carvalho de Melo static void evsel__copy_prev_raw_counts(struct evsel *evsel) 238297767acSJin Yao { 239297767acSJin Yao int ncpus = evsel__nr_cpus(evsel); 240297767acSJin Yao int nthreads = perf_thread_map__nr(evsel->core.threads); 241297767acSJin Yao 242297767acSJin Yao for (int thread = 0; thread < nthreads; thread++) { 243297767acSJin Yao for (int cpu = 0; cpu < ncpus; cpu++) { 244297767acSJin Yao *perf_counts(evsel->counts, cpu, thread) = 245297767acSJin Yao *perf_counts(evsel->prev_raw_counts, cpu, 246297767acSJin Yao thread); 247297767acSJin Yao } 248297767acSJin Yao } 249297767acSJin Yao 250297767acSJin Yao evsel->counts->aggr = evsel->prev_raw_counts->aggr; 251297767acSJin Yao } 252297767acSJin Yao 25353f5e908SArnaldo Carvalho de Melo void evlist__copy_prev_raw_counts(struct evlist *evlist) 254297767acSJin Yao { 255297767acSJin Yao struct evsel *evsel; 256297767acSJin Yao 257297767acSJin Yao evlist__for_each_entry(evlist, evsel) 25856933029SArnaldo Carvalho de Melo evsel__copy_prev_raw_counts(evsel); 259297767acSJin Yao } 260297767acSJin Yao 26153f5e908SArnaldo Carvalho de Melo void evlist__save_aggr_prev_raw_counts(struct evlist *evlist) 262905365f4SJin Yao { 263905365f4SJin Yao struct evsel *evsel; 264905365f4SJin Yao 265905365f4SJin Yao /* 266905365f4SJin Yao * To collect the overall statistics for interval mode, 267905365f4SJin Yao * we copy the counts from evsel->prev_raw_counts to 268905365f4SJin Yao * evsel->counts. The perf_stat_process_counter creates 269905365f4SJin Yao * aggr values from per cpu values, but the per cpu values 270905365f4SJin Yao * are 0 for AGGR_GLOBAL. So we use a trick that saves the 271905365f4SJin Yao * previous aggr value to the first member of perf_counts, 272905365f4SJin Yao * then aggr calculation in process_counter_values can work 273905365f4SJin Yao * correctly. 274905365f4SJin Yao */ 275905365f4SJin Yao evlist__for_each_entry(evlist, evsel) { 276905365f4SJin Yao *perf_counts(evsel->prev_raw_counts, 0, 0) = 277905365f4SJin Yao evsel->prev_raw_counts->aggr; 278905365f4SJin Yao } 279905365f4SJin Yao } 280905365f4SJin Yao 281034f7ee1SJin Yao static size_t pkg_id_hash(const void *__key, void *ctx __maybe_unused) 282f80010ebSJiri Olsa { 283034f7ee1SJin Yao uint64_t *key = (uint64_t *) __key; 284034f7ee1SJin Yao 285034f7ee1SJin Yao return *key & 0xffffffff; 286034f7ee1SJin Yao } 287034f7ee1SJin Yao 288034f7ee1SJin Yao static bool pkg_id_equal(const void *__key1, const void *__key2, 289034f7ee1SJin Yao void *ctx __maybe_unused) 290034f7ee1SJin Yao { 291034f7ee1SJin Yao uint64_t *key1 = (uint64_t *) __key1; 292034f7ee1SJin Yao uint64_t *key2 = (uint64_t *) __key2; 293034f7ee1SJin Yao 294034f7ee1SJin Yao return *key1 == *key2; 295f80010ebSJiri Olsa } 296f80010ebSJiri Olsa 297379c224bSIan Rogers static int check_per_pkg(struct evsel *counter, struct perf_counts_values *vals, 298379c224bSIan Rogers int cpu_map_idx, bool *skip) 299f80010ebSJiri Olsa { 300034f7ee1SJin Yao struct hashmap *mask = counter->per_pkg_mask; 301b49aca3eSJiri Olsa struct perf_cpu_map *cpus = evsel__cpus(counter); 3026d18804bSIan Rogers struct perf_cpu cpu = perf_cpu_map__cpu(cpus, cpu_map_idx); 303034f7ee1SJin Yao int s, d, ret = 0; 304034f7ee1SJin Yao uint64_t *key; 305f80010ebSJiri Olsa 306f80010ebSJiri Olsa *skip = false; 307f80010ebSJiri Olsa 308f80010ebSJiri Olsa if (!counter->per_pkg) 309f80010ebSJiri Olsa return 0; 310f80010ebSJiri Olsa 311315c0a1fSJiri Olsa if (perf_cpu_map__empty(cpus)) 312f80010ebSJiri Olsa return 0; 313f80010ebSJiri Olsa 314f80010ebSJiri Olsa if (!mask) { 315034f7ee1SJin Yao mask = hashmap__new(pkg_id_hash, pkg_id_equal, NULL); 316f80010ebSJiri Olsa if (!mask) 317f80010ebSJiri Olsa return -ENOMEM; 318f80010ebSJiri Olsa 319f80010ebSJiri Olsa counter->per_pkg_mask = mask; 320f80010ebSJiri Olsa } 321f80010ebSJiri Olsa 32202d8dabcSStephane Eranian /* 32302d8dabcSStephane Eranian * we do not consider an event that has not run as a good 32402d8dabcSStephane Eranian * instance to mark a package as used (skip=1). Otherwise 32502d8dabcSStephane Eranian * we may run into a situation where the first CPU in a package 32602d8dabcSStephane Eranian * is not running anything, yet the second is, and this function 32702d8dabcSStephane Eranian * would mark the package as used after the first CPU and would 32802d8dabcSStephane Eranian * not read the values from the second CPU. 32902d8dabcSStephane Eranian */ 33002d8dabcSStephane Eranian if (!(vals->run && vals->ena)) 33102d8dabcSStephane Eranian return 0; 33202d8dabcSStephane Eranian 3334e90e5ccSIan Rogers s = cpu__get_socket_id(cpu); 334f80010ebSJiri Olsa if (s < 0) 335f80010ebSJiri Olsa return -1; 336f80010ebSJiri Olsa 337034f7ee1SJin Yao /* 338034f7ee1SJin Yao * On multi-die system, die_id > 0. On no-die system, die_id = 0. 339034f7ee1SJin Yao * We use hashmap(socket, die) to check the used socket+die pair. 340034f7ee1SJin Yao */ 3414e90e5ccSIan Rogers d = cpu__get_die_id(cpu); 342034f7ee1SJin Yao if (d < 0) 343034f7ee1SJin Yao return -1; 344034f7ee1SJin Yao 345034f7ee1SJin Yao key = malloc(sizeof(*key)); 346034f7ee1SJin Yao if (!key) 347034f7ee1SJin Yao return -ENOMEM; 348034f7ee1SJin Yao 349034f7ee1SJin Yao *key = (uint64_t)d << 32 | s; 350f9e891eaSIan Rogers if (hashmap__find(mask, (void *)key, NULL)) { 351034f7ee1SJin Yao *skip = true; 352f9e891eaSIan Rogers free(key); 353f9e891eaSIan Rogers } else 354034f7ee1SJin Yao ret = hashmap__add(mask, (void *)key, (void *)1); 355034f7ee1SJin Yao 356034f7ee1SJin Yao return ret; 357f80010ebSJiri Olsa } 358f80010ebSJiri Olsa 359f80010ebSJiri Olsa static int 36032dcd021SJiri Olsa process_counter_values(struct perf_stat_config *config, struct evsel *evsel, 3615b1af93dSIan Rogers int cpu_map_idx, int thread, 362f80010ebSJiri Olsa struct perf_counts_values *count) 363f80010ebSJiri Olsa { 364f80010ebSJiri Olsa struct perf_counts_values *aggr = &evsel->counts->aggr; 365f80010ebSJiri Olsa static struct perf_counts_values zero; 366f80010ebSJiri Olsa bool skip = false; 367f80010ebSJiri Olsa 3685b1af93dSIan Rogers if (check_per_pkg(evsel, count, cpu_map_idx, &skip)) { 369f80010ebSJiri Olsa pr_err("failed to read per-pkg counter\n"); 370f80010ebSJiri Olsa return -1; 371f80010ebSJiri Olsa } 372f80010ebSJiri Olsa 373f80010ebSJiri Olsa if (skip) 374f80010ebSJiri Olsa count = &zero; 375f80010ebSJiri Olsa 376f80010ebSJiri Olsa switch (config->aggr_mode) { 377f80010ebSJiri Olsa case AGGR_THREAD: 378f80010ebSJiri Olsa case AGGR_CORE: 379db5742b6SKan Liang case AGGR_DIE: 380f80010ebSJiri Olsa case AGGR_SOCKET: 38186895b48SJiri Olsa case AGGR_NODE: 382f80010ebSJiri Olsa case AGGR_NONE: 383f80010ebSJiri Olsa if (!evsel->snapshot) 3845b1af93dSIan Rogers evsel__compute_deltas(evsel, cpu_map_idx, thread, count); 385f80010ebSJiri Olsa perf_counts_values__scale(count, config->scale, NULL); 3864fc4d8dfSJin Yao if ((config->aggr_mode == AGGR_NONE) && (!evsel->percore)) { 3874fc4d8dfSJin Yao perf_stat__update_shadow_stats(evsel, count->val, 3885b1af93dSIan Rogers cpu_map_idx, &rt_stat); 3894fc4d8dfSJin Yao } 3904fc4d8dfSJin Yao 39114e72a21SJin Yao if (config->aggr_mode == AGGR_THREAD) { 39214e72a21SJin Yao if (config->stats) 39314e72a21SJin Yao perf_stat__update_shadow_stats(evsel, 39414e72a21SJin Yao count->val, 0, &config->stats[thread]); 39514e72a21SJin Yao else 39614e72a21SJin Yao perf_stat__update_shadow_stats(evsel, 39714e72a21SJin Yao count->val, 0, &rt_stat); 39814e72a21SJin Yao } 399f80010ebSJiri Olsa break; 400f80010ebSJiri Olsa case AGGR_GLOBAL: 401f80010ebSJiri Olsa aggr->val += count->val; 402f80010ebSJiri Olsa aggr->ena += count->ena; 403f80010ebSJiri Olsa aggr->run += count->run; 404208df99eSJiri Olsa case AGGR_UNSET: 405f80010ebSJiri Olsa default: 406f80010ebSJiri Olsa break; 407f80010ebSJiri Olsa } 408f80010ebSJiri Olsa 409f80010ebSJiri Olsa return 0; 410f80010ebSJiri Olsa } 411f80010ebSJiri Olsa 412f80010ebSJiri Olsa static int process_counter_maps(struct perf_stat_config *config, 41332dcd021SJiri Olsa struct evsel *counter) 414f80010ebSJiri Olsa { 415a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(counter->core.threads); 4165eb88f04SArnaldo Carvalho de Melo int ncpus = evsel__nr_cpus(counter); 4175b1af93dSIan Rogers int idx, thread; 418f80010ebSJiri Olsa 419648b5af3SJiri Olsa if (counter->core.system_wide) 420f80010ebSJiri Olsa nthreads = 1; 421f80010ebSJiri Olsa 422f80010ebSJiri Olsa for (thread = 0; thread < nthreads; thread++) { 4235b1af93dSIan Rogers for (idx = 0; idx < ncpus; idx++) { 4245b1af93dSIan Rogers if (process_counter_values(config, counter, idx, thread, 4255b1af93dSIan Rogers perf_counts(counter->counts, idx, thread))) 426f80010ebSJiri Olsa return -1; 427f80010ebSJiri Olsa } 428f80010ebSJiri Olsa } 429f80010ebSJiri Olsa 430f80010ebSJiri Olsa return 0; 431f80010ebSJiri Olsa } 432f80010ebSJiri Olsa 433f80010ebSJiri Olsa int perf_stat_process_counter(struct perf_stat_config *config, 43432dcd021SJiri Olsa struct evsel *counter) 435f80010ebSJiri Olsa { 436f80010ebSJiri Olsa struct perf_counts_values *aggr = &counter->counts->aggr; 437e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = counter->stats; 438f80010ebSJiri Olsa u64 *count = counter->counts->aggr.values; 439f80010ebSJiri Olsa int i, ret; 440f80010ebSJiri Olsa 441f80010ebSJiri Olsa aggr->val = aggr->ena = aggr->run = 0; 442f80010ebSJiri Olsa 443f80010ebSJiri Olsa if (counter->per_pkg) 444034f7ee1SJin Yao evsel__zero_per_pkg(counter); 445f80010ebSJiri Olsa 446f80010ebSJiri Olsa ret = process_counter_maps(config, counter); 447f80010ebSJiri Olsa if (ret) 448f80010ebSJiri Olsa return ret; 449f80010ebSJiri Olsa 450f80010ebSJiri Olsa if (config->aggr_mode != AGGR_GLOBAL) 451f80010ebSJiri Olsa return 0; 452f80010ebSJiri Olsa 453f80010ebSJiri Olsa if (!counter->snapshot) 45412f5261dSArnaldo Carvalho de Melo evsel__compute_deltas(counter, -1, -1, aggr); 455f80010ebSJiri Olsa perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled); 456f80010ebSJiri Olsa 457f80010ebSJiri Olsa for (i = 0; i < 3; i++) 458f80010ebSJiri Olsa update_stats(&ps->res_stats[i], count[i]); 459f80010ebSJiri Olsa 460bb963e16SNamhyung Kim if (verbose > 0) { 461f80010ebSJiri Olsa fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 4628ab2e96dSArnaldo Carvalho de Melo evsel__name(counter), count[0], count[1], count[2]); 463f80010ebSJiri Olsa } 464f80010ebSJiri Olsa 465f80010ebSJiri Olsa /* 466f80010ebSJiri Olsa * Save the full runtime - to allow normalization during printout: 467f80010ebSJiri Olsa */ 4681fcd0394SJin Yao perf_stat__update_shadow_stats(counter, *count, 0, &rt_stat); 469f80010ebSJiri Olsa 470f80010ebSJiri Olsa return 0; 471f80010ebSJiri Olsa } 4720ea0e355SJiri Olsa 47389f1688aSJiri Olsa int perf_event__process_stat_event(struct perf_session *session, 47489f1688aSJiri Olsa union perf_event *event) 4750ea0e355SJiri Olsa { 4760ea0e355SJiri Olsa struct perf_counts_values count; 47772932371SJiri Olsa struct perf_record_stat *st = &event->stat; 47832dcd021SJiri Olsa struct evsel *counter; 4790ea0e355SJiri Olsa 4800ea0e355SJiri Olsa count.val = st->val; 4810ea0e355SJiri Olsa count.ena = st->ena; 4820ea0e355SJiri Olsa count.run = st->run; 4830ea0e355SJiri Olsa 4843ccf8a7bSArnaldo Carvalho de Melo counter = evlist__id2evsel(session->evlist, st->id); 4850ea0e355SJiri Olsa if (!counter) { 4860ea0e355SJiri Olsa pr_err("Failed to resolve counter for stat event.\n"); 4870ea0e355SJiri Olsa return -EINVAL; 4880ea0e355SJiri Olsa } 4890ea0e355SJiri Olsa 4900ea0e355SJiri Olsa *perf_counts(counter->counts, st->cpu, st->thread) = count; 4910ea0e355SJiri Olsa counter->supported = true; 4920ea0e355SJiri Olsa return 0; 4930ea0e355SJiri Olsa } 494e08a4564SJiri Olsa 495e08a4564SJiri Olsa size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp) 496e08a4564SJiri Olsa { 49772932371SJiri Olsa struct perf_record_stat *st = (struct perf_record_stat *)event; 498e08a4564SJiri Olsa size_t ret; 499e08a4564SJiri Olsa 50018a13a60SJiri Olsa ret = fprintf(fp, "\n... id %" PRI_lu64 ", cpu %d, thread %d\n", 501e08a4564SJiri Olsa st->id, st->cpu, st->thread); 50218a13a60SJiri Olsa ret += fprintf(fp, "... value %" PRI_lu64 ", enabled %" PRI_lu64 ", running %" PRI_lu64 "\n", 503e08a4564SJiri Olsa st->val, st->ena, st->run); 504e08a4564SJiri Olsa 505e08a4564SJiri Olsa return ret; 506e08a4564SJiri Olsa } 507e08a4564SJiri Olsa 508e08a4564SJiri Olsa size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp) 509e08a4564SJiri Olsa { 51072932371SJiri Olsa struct perf_record_stat_round *rd = (struct perf_record_stat_round *)event; 511e08a4564SJiri Olsa size_t ret; 512e08a4564SJiri Olsa 513782adbe2SJiri Olsa ret = fprintf(fp, "\n... time %" PRI_lu64 ", type %s\n", rd->time, 514e08a4564SJiri Olsa rd->type == PERF_STAT_ROUND_TYPE__FINAL ? "FINAL" : "INTERVAL"); 515e08a4564SJiri Olsa 516e08a4564SJiri Olsa return ret; 517e08a4564SJiri Olsa } 518e08a4564SJiri Olsa 519e08a4564SJiri Olsa size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp) 520e08a4564SJiri Olsa { 521e08a4564SJiri Olsa struct perf_stat_config sc; 522e08a4564SJiri Olsa size_t ret; 523e08a4564SJiri Olsa 524e08a4564SJiri Olsa perf_event__read_stat_config(&sc, &event->stat_config); 525e08a4564SJiri Olsa 526e08a4564SJiri Olsa ret = fprintf(fp, "\n"); 527e08a4564SJiri Olsa ret += fprintf(fp, "... aggr_mode %d\n", sc.aggr_mode); 528e08a4564SJiri Olsa ret += fprintf(fp, "... scale %d\n", sc.scale); 529e08a4564SJiri Olsa ret += fprintf(fp, "... interval %u\n", sc.interval); 530e08a4564SJiri Olsa 531e08a4564SJiri Olsa return ret; 532e08a4564SJiri Olsa } 533d09cefd2SJiri Olsa 53432dcd021SJiri Olsa int create_perf_stat_counter(struct evsel *evsel, 535d09cefd2SJiri Olsa struct perf_stat_config *config, 5364804e011SAndi Kleen struct target *target, 5376f844b1fSIan Rogers int cpu_map_idx) 538d09cefd2SJiri Olsa { 5391fc632ceSJiri Olsa struct perf_event_attr *attr = &evsel->core.attr; 540fba7c866SJiri Olsa struct evsel *leader = evsel__leader(evsel); 541d09cefd2SJiri Olsa 542d09cefd2SJiri Olsa attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 543d09cefd2SJiri Olsa PERF_FORMAT_TOTAL_TIME_RUNNING; 544d09cefd2SJiri Olsa 545d09cefd2SJiri Olsa /* 546d09cefd2SJiri Olsa * The event is part of non trivial group, let's enable 547d09cefd2SJiri Olsa * the group read (for leader) and ID retrieval for all 548d09cefd2SJiri Olsa * members. 549d09cefd2SJiri Olsa */ 5505643b1a5SJiri Olsa if (leader->core.nr_members > 1) 551d09cefd2SJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 552d09cefd2SJiri Olsa 553fa853c4bSSong Liu attr->inherit = !config->no_inherit && list_empty(&evsel->bpf_counter_list); 554d09cefd2SJiri Olsa 555d09cefd2SJiri Olsa /* 556d09cefd2SJiri Olsa * Some events get initialized with sample_(period/type) set, 557d09cefd2SJiri Olsa * like tracepoints. Clear it up for counting. 558d09cefd2SJiri Olsa */ 559d09cefd2SJiri Olsa attr->sample_period = 0; 560d09cefd2SJiri Olsa 561d09cefd2SJiri Olsa if (config->identifier) 562d09cefd2SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 563d09cefd2SJiri Olsa 564dd071024SJin Yao if (config->all_user) { 565dd071024SJin Yao attr->exclude_kernel = 1; 566dd071024SJin Yao attr->exclude_user = 0; 567dd071024SJin Yao } 568dd071024SJin Yao 569dd071024SJin Yao if (config->all_kernel) { 570dd071024SJin Yao attr->exclude_kernel = 0; 571dd071024SJin Yao attr->exclude_user = 1; 572dd071024SJin Yao } 573dd071024SJin Yao 574d09cefd2SJiri Olsa /* 575d09cefd2SJiri Olsa * Disabling all counters initially, they will be enabled 576d09cefd2SJiri Olsa * either manually by us or by kernel via enable_on_exec 577d09cefd2SJiri Olsa * set later. 578d09cefd2SJiri Olsa */ 579c754c382SArnaldo Carvalho de Melo if (evsel__is_group_leader(evsel)) { 580d09cefd2SJiri Olsa attr->disabled = 1; 581d09cefd2SJiri Olsa 582d09cefd2SJiri Olsa /* 583d09cefd2SJiri Olsa * In case of initial_delay we enable tracee 584d09cefd2SJiri Olsa * events manually. 585d09cefd2SJiri Olsa */ 586d09cefd2SJiri Olsa if (target__none(target) && !config->initial_delay) 587d09cefd2SJiri Olsa attr->enable_on_exec = 1; 588d09cefd2SJiri Olsa } 589d09cefd2SJiri Olsa 590d09cefd2SJiri Olsa if (target__has_cpu(target) && !target__has_per_thread(target)) 5916f844b1fSIan Rogers return evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu_map_idx); 592d09cefd2SJiri Olsa 593aa8c406bSArnaldo Carvalho de Melo return evsel__open_per_thread(evsel, evsel->core.threads); 594d09cefd2SJiri Olsa } 595