1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 2a43783aeSArnaldo Carvalho de Melo #include <errno.h> 3d73f5d14SLv Ruyi #include <linux/err.h> 4fd20e811SArnaldo Carvalho de Melo #include <inttypes.h> 50007eceaSXiao Guangrong #include <math.h> 6f2a39fe8SArnaldo Carvalho de Melo #include <string.h> 7bfc49182SArnaldo Carvalho de Melo #include "counts.h" 887ffb6c6SArnaldo Carvalho de Melo #include "cpumap.h" 9b4209025SArnaldo Carvalho de Melo #include "debug.h" 10f2a39fe8SArnaldo Carvalho de Melo #include "header.h" 110007eceaSXiao Guangrong #include "stat.h" 12f2a39fe8SArnaldo Carvalho de Melo #include "session.h" 13aeb00b1aSArnaldo Carvalho de Melo #include "target.h" 1424e34f68SJiri Olsa #include "evlist.h" 15e2f56da1SJiri Olsa #include "evsel.h" 1624e34f68SJiri Olsa #include "thread_map.h" 17bdf45725SIan Rogers #ifdef HAVE_LIBBPF_SUPPORT 18bdf45725SIan Rogers #include <bpf/hashmap.h> 19bdf45725SIan Rogers #else 20bdf45725SIan Rogers #include "util/hashmap.h" 21bdf45725SIan Rogers #endif 227f7c536fSArnaldo Carvalho de Melo #include <linux/zalloc.h> 230007eceaSXiao Guangrong 240007eceaSXiao Guangrong void update_stats(struct stats *stats, u64 val) 250007eceaSXiao Guangrong { 260007eceaSXiao Guangrong double delta; 270007eceaSXiao Guangrong 280007eceaSXiao Guangrong stats->n++; 290007eceaSXiao Guangrong delta = val - stats->mean; 300007eceaSXiao Guangrong stats->mean += delta / stats->n; 310007eceaSXiao Guangrong stats->M2 += delta*(val - stats->mean); 32ffe4f3c0SDavid Ahern 33ffe4f3c0SDavid Ahern if (val > stats->max) 34ffe4f3c0SDavid Ahern stats->max = val; 35ffe4f3c0SDavid Ahern 36ffe4f3c0SDavid Ahern if (val < stats->min) 37ffe4f3c0SDavid Ahern stats->min = val; 380007eceaSXiao Guangrong } 390007eceaSXiao Guangrong 400007eceaSXiao Guangrong double avg_stats(struct stats *stats) 410007eceaSXiao Guangrong { 420007eceaSXiao Guangrong return stats->mean; 430007eceaSXiao Guangrong } 440007eceaSXiao Guangrong 450007eceaSXiao Guangrong /* 460007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance 470007eceaSXiao Guangrong * 480007eceaSXiao Guangrong * (\Sum n_i^2) - ((\Sum n_i)^2)/n 490007eceaSXiao Guangrong * s^2 = ------------------------------- 500007eceaSXiao Guangrong * n - 1 510007eceaSXiao Guangrong * 520007eceaSXiao Guangrong * http://en.wikipedia.org/wiki/Stddev 530007eceaSXiao Guangrong * 540007eceaSXiao Guangrong * The std dev of the mean is related to the std dev by: 550007eceaSXiao Guangrong * 560007eceaSXiao Guangrong * s 570007eceaSXiao Guangrong * s_mean = ------- 580007eceaSXiao Guangrong * sqrt(n) 590007eceaSXiao Guangrong * 600007eceaSXiao Guangrong */ 610007eceaSXiao Guangrong double stddev_stats(struct stats *stats) 620007eceaSXiao Guangrong { 630007eceaSXiao Guangrong double variance, variance_mean; 640007eceaSXiao Guangrong 6545528f7cSDavid Ahern if (stats->n < 2) 660007eceaSXiao Guangrong return 0.0; 670007eceaSXiao Guangrong 680007eceaSXiao Guangrong variance = stats->M2 / (stats->n - 1); 690007eceaSXiao Guangrong variance_mean = variance / stats->n; 700007eceaSXiao Guangrong 710007eceaSXiao Guangrong return sqrt(variance_mean); 720007eceaSXiao Guangrong } 730007eceaSXiao Guangrong 740007eceaSXiao Guangrong double rel_stddev_stats(double stddev, double avg) 750007eceaSXiao Guangrong { 760007eceaSXiao Guangrong double pct = 0.0; 770007eceaSXiao Guangrong 780007eceaSXiao Guangrong if (avg) 790007eceaSXiao Guangrong pct = 100.0 * stddev/avg; 800007eceaSXiao Guangrong 810007eceaSXiao Guangrong return pct; 820007eceaSXiao Guangrong } 83e2f56da1SJiri Olsa 8490520341SArnaldo Carvalho de Melo bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id) 85e2f56da1SJiri Olsa { 86e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 87e2f56da1SJiri Olsa 88e2f56da1SJiri Olsa return ps->id == id; 89e2f56da1SJiri Olsa } 90e2f56da1SJiri Olsa 91e2f56da1SJiri Olsa #define ID(id, name) [PERF_STAT_EVSEL_ID__##id] = #name 92e2f56da1SJiri Olsa static const char *id_str[PERF_STAT_EVSEL_ID__MAX] = { 93e2f56da1SJiri Olsa ID(NONE, x), 944c358d5cSJiri Olsa ID(CYCLES_IN_TX, cpu/cycles-t/), 954c358d5cSJiri Olsa ID(TRANSACTION_START, cpu/tx-start/), 964c358d5cSJiri Olsa ID(ELISION_START, cpu/el-start/), 974c358d5cSJiri Olsa ID(CYCLES_IN_TX_CP, cpu/cycles-ct/), 98239bd47fSAndi Kleen ID(TOPDOWN_TOTAL_SLOTS, topdown-total-slots), 99239bd47fSAndi Kleen ID(TOPDOWN_SLOTS_ISSUED, topdown-slots-issued), 100239bd47fSAndi Kleen ID(TOPDOWN_SLOTS_RETIRED, topdown-slots-retired), 101239bd47fSAndi Kleen ID(TOPDOWN_FETCH_BUBBLES, topdown-fetch-bubbles), 102239bd47fSAndi Kleen ID(TOPDOWN_RECOVERY_BUBBLES, topdown-recovery-bubbles), 10355c36a9fSAndi Kleen ID(TOPDOWN_RETIRING, topdown-retiring), 10455c36a9fSAndi Kleen ID(TOPDOWN_BAD_SPEC, topdown-bad-spec), 10555c36a9fSAndi Kleen ID(TOPDOWN_FE_BOUND, topdown-fe-bound), 10655c36a9fSAndi Kleen ID(TOPDOWN_BE_BOUND, topdown-be-bound), 10763e39aa6SKan Liang ID(TOPDOWN_HEAVY_OPS, topdown-heavy-ops), 10863e39aa6SKan Liang ID(TOPDOWN_BR_MISPREDICT, topdown-br-mispredict), 10963e39aa6SKan Liang ID(TOPDOWN_FETCH_LAT, topdown-fetch-lat), 11063e39aa6SKan Liang ID(TOPDOWN_MEM_BOUND, topdown-mem-bound), 111daefd0bcSKan Liang ID(SMI_NUM, msr/smi/), 112daefd0bcSKan Liang ID(APERF, msr/aperf/), 113e2f56da1SJiri Olsa }; 114e2f56da1SJiri Olsa #undef ID 115e2f56da1SJiri Olsa 11632dcd021SJiri Olsa static void perf_stat_evsel_id_init(struct evsel *evsel) 117e2f56da1SJiri Olsa { 118e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 119e2f56da1SJiri Olsa int i; 120e2f56da1SJiri Olsa 121e2f56da1SJiri Olsa /* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */ 122e2f56da1SJiri Olsa 123e2f56da1SJiri Olsa for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) { 124d7e3c397SZhengjun Xing if (!strcmp(evsel__name(evsel), id_str[i]) || 125d7e3c397SZhengjun Xing (strstr(evsel__name(evsel), id_str[i]) && evsel->pmu_name 126d7e3c397SZhengjun Xing && strstr(evsel__name(evsel), evsel->pmu_name))) { 127e2f56da1SJiri Olsa ps->id = i; 128e2f56da1SJiri Olsa break; 129e2f56da1SJiri Olsa } 130e2f56da1SJiri Olsa } 131e2f56da1SJiri Olsa } 132a9a3a4d9SJiri Olsa 1337d1e239eSArnaldo Carvalho de Melo static void evsel__reset_stat_priv(struct evsel *evsel) 1349689edfaSJiri Olsa { 135e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 1369689edfaSJiri Olsa 13766b76e30SNamhyung Kim init_stats(&ps->res_stats); 1389689edfaSJiri Olsa } 1399689edfaSJiri Olsa 1407d1e239eSArnaldo Carvalho de Melo static int evsel__alloc_stat_priv(struct evsel *evsel) 1419689edfaSJiri Olsa { 142e669e833SArnaldo Carvalho de Melo evsel->stats = zalloc(sizeof(struct perf_stat_evsel)); 143e669e833SArnaldo Carvalho de Melo if (evsel->stats == NULL) 1449689edfaSJiri Olsa return -ENOMEM; 145429b8e84SNamhyung Kim perf_stat_evsel_id_init(evsel); 1467d1e239eSArnaldo Carvalho de Melo evsel__reset_stat_priv(evsel); 1479689edfaSJiri Olsa return 0; 1489689edfaSJiri Olsa } 1499689edfaSJiri Olsa 1507d1e239eSArnaldo Carvalho de Melo static void evsel__free_stat_priv(struct evsel *evsel) 1519689edfaSJiri Olsa { 152e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = evsel->stats; 153f7794d52SJiri Olsa 154f7794d52SJiri Olsa if (ps) 155d8f9da24SArnaldo Carvalho de Melo zfree(&ps->group_data); 156e669e833SArnaldo Carvalho de Melo zfree(&evsel->stats); 1579689edfaSJiri Olsa } 158a939512dSJiri Olsa 1592ca0a371SIan Rogers static int evsel__alloc_prev_raw_counts(struct evsel *evsel) 160a939512dSJiri Olsa { 1612ca0a371SIan Rogers int cpu_map_nr = evsel__nr_cpus(evsel); 1622ca0a371SIan Rogers int nthreads = perf_thread_map__nr(evsel->core.threads); 163a939512dSJiri Olsa struct perf_counts *counts; 164a939512dSJiri Olsa 1652ca0a371SIan Rogers counts = perf_counts__new(cpu_map_nr, nthreads); 166a939512dSJiri Olsa if (counts) 167a939512dSJiri Olsa evsel->prev_raw_counts = counts; 168a939512dSJiri Olsa 169a939512dSJiri Olsa return counts ? 0 : -ENOMEM; 170a939512dSJiri Olsa } 171a939512dSJiri Olsa 1727d1e239eSArnaldo Carvalho de Melo static void evsel__free_prev_raw_counts(struct evsel *evsel) 173a939512dSJiri Olsa { 174a939512dSJiri Olsa perf_counts__delete(evsel->prev_raw_counts); 175a939512dSJiri Olsa evsel->prev_raw_counts = NULL; 176a939512dSJiri Olsa } 17724e34f68SJiri Olsa 1787d1e239eSArnaldo Carvalho de Melo static void evsel__reset_prev_raw_counts(struct evsel *evsel) 179b63fd11cSSrikar Dronamraju { 180cf4d9bd6SJin Yao if (evsel->prev_raw_counts) 181cf4d9bd6SJin Yao perf_counts__reset(evsel->prev_raw_counts); 182b63fd11cSSrikar Dronamraju } 183b63fd11cSSrikar Dronamraju 1847d1e239eSArnaldo Carvalho de Melo static int evsel__alloc_stats(struct evsel *evsel, bool alloc_raw) 18524e34f68SJiri Olsa { 1867d1e239eSArnaldo Carvalho de Melo if (evsel__alloc_stat_priv(evsel) < 0 || 1872ca0a371SIan Rogers evsel__alloc_counts(evsel) < 0 || 1882ca0a371SIan Rogers (alloc_raw && evsel__alloc_prev_raw_counts(evsel) < 0)) 189a7d0a102SJiri Olsa return -ENOMEM; 190a7d0a102SJiri Olsa 191a7d0a102SJiri Olsa return 0; 192a7d0a102SJiri Olsa } 193a7d0a102SJiri Olsa 19453f5e908SArnaldo Carvalho de Melo int evlist__alloc_stats(struct evlist *evlist, bool alloc_raw) 195a7d0a102SJiri Olsa { 19632dcd021SJiri Olsa struct evsel *evsel; 197a7d0a102SJiri Olsa 198e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 1997d1e239eSArnaldo Carvalho de Melo if (evsel__alloc_stats(evsel, alloc_raw)) 20024e34f68SJiri Olsa goto out_free; 20124e34f68SJiri Olsa } 20224e34f68SJiri Olsa 20324e34f68SJiri Olsa return 0; 20424e34f68SJiri Olsa 20524e34f68SJiri Olsa out_free: 20653f5e908SArnaldo Carvalho de Melo evlist__free_stats(evlist); 20724e34f68SJiri Olsa return -1; 20824e34f68SJiri Olsa } 20924e34f68SJiri Olsa 21053f5e908SArnaldo Carvalho de Melo void evlist__free_stats(struct evlist *evlist) 21124e34f68SJiri Olsa { 21232dcd021SJiri Olsa struct evsel *evsel; 21324e34f68SJiri Olsa 214e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 2157d1e239eSArnaldo Carvalho de Melo evsel__free_stat_priv(evsel); 2167d1e239eSArnaldo Carvalho de Melo evsel__free_counts(evsel); 2177d1e239eSArnaldo Carvalho de Melo evsel__free_prev_raw_counts(evsel); 21824e34f68SJiri Olsa } 21924e34f68SJiri Olsa } 22024e34f68SJiri Olsa 22153f5e908SArnaldo Carvalho de Melo void evlist__reset_stats(struct evlist *evlist) 22224e34f68SJiri Olsa { 22332dcd021SJiri Olsa struct evsel *evsel; 22424e34f68SJiri Olsa 225e5cadb93SArnaldo Carvalho de Melo evlist__for_each_entry(evlist, evsel) { 2267d1e239eSArnaldo Carvalho de Melo evsel__reset_stat_priv(evsel); 2277d1e239eSArnaldo Carvalho de Melo evsel__reset_counts(evsel); 22824e34f68SJiri Olsa } 22924e34f68SJiri Olsa } 230f80010ebSJiri Olsa 23153f5e908SArnaldo Carvalho de Melo void evlist__reset_prev_raw_counts(struct evlist *evlist) 232b63fd11cSSrikar Dronamraju { 233b63fd11cSSrikar Dronamraju struct evsel *evsel; 234b63fd11cSSrikar Dronamraju 235b63fd11cSSrikar Dronamraju evlist__for_each_entry(evlist, evsel) 2367d1e239eSArnaldo Carvalho de Melo evsel__reset_prev_raw_counts(evsel); 237b63fd11cSSrikar Dronamraju } 238b63fd11cSSrikar Dronamraju 23956933029SArnaldo Carvalho de Melo static void evsel__copy_prev_raw_counts(struct evsel *evsel) 240297767acSJin Yao { 2410b9462d0SIan Rogers int idx, nthreads = perf_thread_map__nr(evsel->core.threads); 242297767acSJin Yao 243297767acSJin Yao for (int thread = 0; thread < nthreads; thread++) { 2440b9462d0SIan Rogers perf_cpu_map__for_each_idx(idx, evsel__cpus(evsel)) { 2450b9462d0SIan Rogers *perf_counts(evsel->counts, idx, thread) = 2460b9462d0SIan Rogers *perf_counts(evsel->prev_raw_counts, idx, 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); 316d73f5d14SLv Ruyi if (IS_ERR(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) { 392*87ae87fdSNamhyung Kim perf_stat__update_shadow_stats(evsel, count->val, 393*87ae87fdSNamhyung Kim thread, &rt_stat); 39414e72a21SJin Yao } 395f80010ebSJiri Olsa break; 396f80010ebSJiri Olsa case AGGR_GLOBAL: 397f80010ebSJiri Olsa aggr->val += count->val; 398f80010ebSJiri Olsa aggr->ena += count->ena; 399f80010ebSJiri Olsa aggr->run += count->run; 400208df99eSJiri Olsa case AGGR_UNSET: 401df936cadSClaire Jensen case AGGR_MAX: 402f80010ebSJiri Olsa default: 403f80010ebSJiri Olsa break; 404f80010ebSJiri Olsa } 405f80010ebSJiri Olsa 406f80010ebSJiri Olsa return 0; 407f80010ebSJiri Olsa } 408f80010ebSJiri Olsa 409f80010ebSJiri Olsa static int process_counter_maps(struct perf_stat_config *config, 41032dcd021SJiri Olsa struct evsel *counter) 411f80010ebSJiri Olsa { 412a2f354e3SJiri Olsa int nthreads = perf_thread_map__nr(counter->core.threads); 4135eb88f04SArnaldo Carvalho de Melo int ncpus = evsel__nr_cpus(counter); 4145b1af93dSIan Rogers int idx, thread; 415f80010ebSJiri Olsa 416f80010ebSJiri Olsa for (thread = 0; thread < nthreads; thread++) { 4175b1af93dSIan Rogers for (idx = 0; idx < ncpus; idx++) { 4185b1af93dSIan Rogers if (process_counter_values(config, counter, idx, thread, 4195b1af93dSIan Rogers perf_counts(counter->counts, idx, thread))) 420f80010ebSJiri Olsa return -1; 421f80010ebSJiri Olsa } 422f80010ebSJiri Olsa } 423f80010ebSJiri Olsa 424f80010ebSJiri Olsa return 0; 425f80010ebSJiri Olsa } 426f80010ebSJiri Olsa 427f80010ebSJiri Olsa int perf_stat_process_counter(struct perf_stat_config *config, 42832dcd021SJiri Olsa struct evsel *counter) 429f80010ebSJiri Olsa { 430f80010ebSJiri Olsa struct perf_counts_values *aggr = &counter->counts->aggr; 431e669e833SArnaldo Carvalho de Melo struct perf_stat_evsel *ps = counter->stats; 432f80010ebSJiri Olsa u64 *count = counter->counts->aggr.values; 43366b76e30SNamhyung Kim int ret; 434f80010ebSJiri Olsa 435f80010ebSJiri Olsa aggr->val = aggr->ena = aggr->run = 0; 436f80010ebSJiri Olsa 437f80010ebSJiri Olsa if (counter->per_pkg) 438034f7ee1SJin Yao evsel__zero_per_pkg(counter); 439f80010ebSJiri Olsa 440f80010ebSJiri Olsa ret = process_counter_maps(config, counter); 441f80010ebSJiri Olsa if (ret) 442f80010ebSJiri Olsa return ret; 443f80010ebSJiri Olsa 444f80010ebSJiri Olsa if (config->aggr_mode != AGGR_GLOBAL) 445f80010ebSJiri Olsa return 0; 446f80010ebSJiri Olsa 447f80010ebSJiri Olsa if (!counter->snapshot) 44812f5261dSArnaldo Carvalho de Melo evsel__compute_deltas(counter, -1, -1, aggr); 449f80010ebSJiri Olsa perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled); 450f80010ebSJiri Olsa 45166b76e30SNamhyung Kim update_stats(&ps->res_stats, *count); 452f80010ebSJiri Olsa 453bb963e16SNamhyung Kim if (verbose > 0) { 454f80010ebSJiri Olsa fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", 4558ab2e96dSArnaldo Carvalho de Melo evsel__name(counter), count[0], count[1], count[2]); 456f80010ebSJiri Olsa } 457f80010ebSJiri Olsa 458f80010ebSJiri Olsa /* 459f80010ebSJiri Olsa * Save the full runtime - to allow normalization during printout: 460f80010ebSJiri Olsa */ 4611fcd0394SJin Yao perf_stat__update_shadow_stats(counter, *count, 0, &rt_stat); 462f80010ebSJiri Olsa 463f80010ebSJiri Olsa return 0; 464f80010ebSJiri Olsa } 4650ea0e355SJiri Olsa 46689f1688aSJiri Olsa int perf_event__process_stat_event(struct perf_session *session, 46789f1688aSJiri Olsa union perf_event *event) 4680ea0e355SJiri Olsa { 46992d579eaSIan Rogers struct perf_counts_values count, *ptr; 47072932371SJiri Olsa struct perf_record_stat *st = &event->stat; 47132dcd021SJiri Olsa struct evsel *counter; 47292d579eaSIan Rogers int cpu_map_idx; 4730ea0e355SJiri Olsa 4740ea0e355SJiri Olsa count.val = st->val; 4750ea0e355SJiri Olsa count.ena = st->ena; 4760ea0e355SJiri Olsa count.run = st->run; 4770ea0e355SJiri Olsa 4783ccf8a7bSArnaldo Carvalho de Melo counter = evlist__id2evsel(session->evlist, st->id); 4790ea0e355SJiri Olsa if (!counter) { 4800ea0e355SJiri Olsa pr_err("Failed to resolve counter for stat event.\n"); 4810ea0e355SJiri Olsa return -EINVAL; 4820ea0e355SJiri Olsa } 48392d579eaSIan Rogers cpu_map_idx = perf_cpu_map__idx(evsel__cpus(counter), (struct perf_cpu){.cpu = st->cpu}); 48492d579eaSIan Rogers if (cpu_map_idx == -1) { 48592d579eaSIan Rogers pr_err("Invalid CPU %d for event %s.\n", st->cpu, evsel__name(counter)); 48692d579eaSIan Rogers return -EINVAL; 48792d579eaSIan Rogers } 48892d579eaSIan Rogers ptr = perf_counts(counter->counts, cpu_map_idx, st->thread); 48992d579eaSIan Rogers if (ptr == NULL) { 49092d579eaSIan Rogers pr_err("Failed to find perf count for CPU %d thread %d on event %s.\n", 49192d579eaSIan Rogers st->cpu, st->thread, evsel__name(counter)); 49292d579eaSIan Rogers return -EINVAL; 49392d579eaSIan Rogers } 49492d579eaSIan Rogers *ptr = count; 4950ea0e355SJiri Olsa counter->supported = true; 4960ea0e355SJiri Olsa return 0; 4970ea0e355SJiri Olsa } 498e08a4564SJiri Olsa 499e08a4564SJiri Olsa size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp) 500e08a4564SJiri Olsa { 50172932371SJiri Olsa struct perf_record_stat *st = (struct perf_record_stat *)event; 502e08a4564SJiri Olsa size_t ret; 503e08a4564SJiri Olsa 50418a13a60SJiri Olsa ret = fprintf(fp, "\n... id %" PRI_lu64 ", cpu %d, thread %d\n", 505e08a4564SJiri Olsa st->id, st->cpu, st->thread); 50618a13a60SJiri Olsa ret += fprintf(fp, "... value %" PRI_lu64 ", enabled %" PRI_lu64 ", running %" PRI_lu64 "\n", 507e08a4564SJiri Olsa st->val, st->ena, st->run); 508e08a4564SJiri Olsa 509e08a4564SJiri Olsa return ret; 510e08a4564SJiri Olsa } 511e08a4564SJiri Olsa 512e08a4564SJiri Olsa size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp) 513e08a4564SJiri Olsa { 51472932371SJiri Olsa struct perf_record_stat_round *rd = (struct perf_record_stat_round *)event; 515e08a4564SJiri Olsa size_t ret; 516e08a4564SJiri Olsa 517782adbe2SJiri Olsa ret = fprintf(fp, "\n... time %" PRI_lu64 ", type %s\n", rd->time, 518e08a4564SJiri Olsa rd->type == PERF_STAT_ROUND_TYPE__FINAL ? "FINAL" : "INTERVAL"); 519e08a4564SJiri Olsa 520e08a4564SJiri Olsa return ret; 521e08a4564SJiri Olsa } 522e08a4564SJiri Olsa 523e08a4564SJiri Olsa size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp) 524e08a4564SJiri Olsa { 525e08a4564SJiri Olsa struct perf_stat_config sc; 526e08a4564SJiri Olsa size_t ret; 527e08a4564SJiri Olsa 528e08a4564SJiri Olsa perf_event__read_stat_config(&sc, &event->stat_config); 529e08a4564SJiri Olsa 530e08a4564SJiri Olsa ret = fprintf(fp, "\n"); 531e08a4564SJiri Olsa ret += fprintf(fp, "... aggr_mode %d\n", sc.aggr_mode); 532e08a4564SJiri Olsa ret += fprintf(fp, "... scale %d\n", sc.scale); 533e08a4564SJiri Olsa ret += fprintf(fp, "... interval %u\n", sc.interval); 534e08a4564SJiri Olsa 535e08a4564SJiri Olsa return ret; 536e08a4564SJiri Olsa } 537d09cefd2SJiri Olsa 53832dcd021SJiri Olsa int create_perf_stat_counter(struct evsel *evsel, 539d09cefd2SJiri Olsa struct perf_stat_config *config, 5404804e011SAndi Kleen struct target *target, 5416f844b1fSIan Rogers int cpu_map_idx) 542d09cefd2SJiri Olsa { 5431fc632ceSJiri Olsa struct perf_event_attr *attr = &evsel->core.attr; 544fba7c866SJiri Olsa struct evsel *leader = evsel__leader(evsel); 545d09cefd2SJiri Olsa 546d09cefd2SJiri Olsa attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | 547d09cefd2SJiri Olsa PERF_FORMAT_TOTAL_TIME_RUNNING; 548d09cefd2SJiri Olsa 549d09cefd2SJiri Olsa /* 550d09cefd2SJiri Olsa * The event is part of non trivial group, let's enable 551d09cefd2SJiri Olsa * the group read (for leader) and ID retrieval for all 552d09cefd2SJiri Olsa * members. 553d09cefd2SJiri Olsa */ 5545643b1a5SJiri Olsa if (leader->core.nr_members > 1) 555d09cefd2SJiri Olsa attr->read_format |= PERF_FORMAT_ID|PERF_FORMAT_GROUP; 556d09cefd2SJiri Olsa 557fa853c4bSSong Liu attr->inherit = !config->no_inherit && list_empty(&evsel->bpf_counter_list); 558d09cefd2SJiri Olsa 559d09cefd2SJiri Olsa /* 560d09cefd2SJiri Olsa * Some events get initialized with sample_(period/type) set, 561d09cefd2SJiri Olsa * like tracepoints. Clear it up for counting. 562d09cefd2SJiri Olsa */ 563d09cefd2SJiri Olsa attr->sample_period = 0; 564d09cefd2SJiri Olsa 565d09cefd2SJiri Olsa if (config->identifier) 566d09cefd2SJiri Olsa attr->sample_type = PERF_SAMPLE_IDENTIFIER; 567d09cefd2SJiri Olsa 568dd071024SJin Yao if (config->all_user) { 569dd071024SJin Yao attr->exclude_kernel = 1; 570dd071024SJin Yao attr->exclude_user = 0; 571dd071024SJin Yao } 572dd071024SJin Yao 573dd071024SJin Yao if (config->all_kernel) { 574dd071024SJin Yao attr->exclude_kernel = 0; 575dd071024SJin Yao attr->exclude_user = 1; 576dd071024SJin Yao } 577dd071024SJin Yao 578d09cefd2SJiri Olsa /* 579d09cefd2SJiri Olsa * Disabling all counters initially, they will be enabled 580d09cefd2SJiri Olsa * either manually by us or by kernel via enable_on_exec 581d09cefd2SJiri Olsa * set later. 582d09cefd2SJiri Olsa */ 583c754c382SArnaldo Carvalho de Melo if (evsel__is_group_leader(evsel)) { 584d09cefd2SJiri Olsa attr->disabled = 1; 585d09cefd2SJiri Olsa 586d09cefd2SJiri Olsa /* 587d09cefd2SJiri Olsa * In case of initial_delay we enable tracee 588d09cefd2SJiri Olsa * events manually. 589d09cefd2SJiri Olsa */ 590d09cefd2SJiri Olsa if (target__none(target) && !config->initial_delay) 591d09cefd2SJiri Olsa attr->enable_on_exec = 1; 592d09cefd2SJiri Olsa } 593d09cefd2SJiri Olsa 594d09cefd2SJiri Olsa if (target__has_cpu(target) && !target__has_per_thread(target)) 5956f844b1fSIan Rogers return evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu_map_idx); 596d09cefd2SJiri Olsa 597aa8c406bSArnaldo Carvalho de Melo return evsel__open_per_thread(evsel, evsel->core.threads); 598d09cefd2SJiri Olsa } 599