diff options
Diffstat (limited to 'tools/perf/util/stat.c')
-rw-r--r-- | tools/perf/util/stat.c | 112 |
1 files changed, 77 insertions, 35 deletions
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 5f26137b8d60..cdb154381a87 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -108,14 +108,14 @@ static void perf_stat_evsel_id_init(struct evsel *evsel) /* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */ for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) { - if (!strcmp(perf_evsel__name(evsel), id_str[i])) { + if (!strcmp(evsel__name(evsel), id_str[i])) { ps->id = i; break; } } } -static void perf_evsel__reset_stat_priv(struct evsel *evsel) +static void evsel__reset_stat_priv(struct evsel *evsel) { int i; struct perf_stat_evsel *ps = evsel->stats; @@ -126,16 +126,16 @@ static void perf_evsel__reset_stat_priv(struct evsel *evsel) perf_stat_evsel_id_init(evsel); } -static int perf_evsel__alloc_stat_priv(struct evsel *evsel) +static int evsel__alloc_stat_priv(struct evsel *evsel) { evsel->stats = zalloc(sizeof(struct perf_stat_evsel)); if (evsel->stats == NULL) return -ENOMEM; - perf_evsel__reset_stat_priv(evsel); + evsel__reset_stat_priv(evsel); return 0; } -static void perf_evsel__free_stat_priv(struct evsel *evsel) +static void evsel__free_stat_priv(struct evsel *evsel) { struct perf_stat_evsel *ps = evsel->stats; @@ -144,8 +144,7 @@ static void perf_evsel__free_stat_priv(struct evsel *evsel) zfree(&evsel->stats); } -static int perf_evsel__alloc_prev_raw_counts(struct evsel *evsel, - int ncpus, int nthreads) +static int evsel__alloc_prev_raw_counts(struct evsel *evsel, int ncpus, int nthreads) { struct perf_counts *counts; @@ -156,29 +155,26 @@ static int perf_evsel__alloc_prev_raw_counts(struct evsel *evsel, return counts ? 0 : -ENOMEM; } -static void perf_evsel__free_prev_raw_counts(struct evsel *evsel) +static void evsel__free_prev_raw_counts(struct evsel *evsel) { perf_counts__delete(evsel->prev_raw_counts); evsel->prev_raw_counts = NULL; } -static void perf_evsel__reset_prev_raw_counts(struct evsel *evsel) +static void evsel__reset_prev_raw_counts(struct evsel *evsel) { - if (evsel->prev_raw_counts) { - evsel->prev_raw_counts->aggr.val = 0; - evsel->prev_raw_counts->aggr.ena = 0; - evsel->prev_raw_counts->aggr.run = 0; - } + if (evsel->prev_raw_counts) + perf_counts__reset(evsel->prev_raw_counts); } -static int perf_evsel__alloc_stats(struct evsel *evsel, bool alloc_raw) +static int evsel__alloc_stats(struct evsel *evsel, bool alloc_raw) { - int ncpus = perf_evsel__nr_cpus(evsel); + int ncpus = evsel__nr_cpus(evsel); int nthreads = perf_thread_map__nr(evsel->core.threads); - if (perf_evsel__alloc_stat_priv(evsel) < 0 || - perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 || - (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0)) + if (evsel__alloc_stat_priv(evsel) < 0 || + evsel__alloc_counts(evsel, ncpus, nthreads) < 0 || + (alloc_raw && evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0)) return -ENOMEM; return 0; @@ -189,7 +185,7 @@ int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw) struct evsel *evsel; evlist__for_each_entry(evlist, evsel) { - if (perf_evsel__alloc_stats(evsel, alloc_raw)) + if (evsel__alloc_stats(evsel, alloc_raw)) goto out_free; } @@ -205,9 +201,9 @@ void perf_evlist__free_stats(struct evlist *evlist) struct evsel *evsel; evlist__for_each_entry(evlist, evsel) { - perf_evsel__free_stat_priv(evsel); - perf_evsel__free_counts(evsel); - perf_evsel__free_prev_raw_counts(evsel); + evsel__free_stat_priv(evsel); + evsel__free_counts(evsel); + evsel__free_prev_raw_counts(evsel); } } @@ -216,8 +212,8 @@ void perf_evlist__reset_stats(struct evlist *evlist) struct evsel *evsel; evlist__for_each_entry(evlist, evsel) { - perf_evsel__reset_stat_priv(evsel); - perf_evsel__reset_counts(evsel); + evsel__reset_stat_priv(evsel); + evsel__reset_counts(evsel); } } @@ -226,7 +222,51 @@ void perf_evlist__reset_prev_raw_counts(struct evlist *evlist) struct evsel *evsel; evlist__for_each_entry(evlist, evsel) - perf_evsel__reset_prev_raw_counts(evsel); + evsel__reset_prev_raw_counts(evsel); +} + +static void perf_evsel__copy_prev_raw_counts(struct evsel *evsel) +{ + int ncpus = evsel__nr_cpus(evsel); + int nthreads = perf_thread_map__nr(evsel->core.threads); + + for (int thread = 0; thread < nthreads; thread++) { + for (int cpu = 0; cpu < ncpus; cpu++) { + *perf_counts(evsel->counts, cpu, thread) = + *perf_counts(evsel->prev_raw_counts, cpu, + thread); + } + } + + evsel->counts->aggr = evsel->prev_raw_counts->aggr; +} + +void perf_evlist__copy_prev_raw_counts(struct evlist *evlist) +{ + struct evsel *evsel; + + evlist__for_each_entry(evlist, evsel) + perf_evsel__copy_prev_raw_counts(evsel); +} + +void perf_evlist__save_aggr_prev_raw_counts(struct evlist *evlist) +{ + struct evsel *evsel; + + /* + * To collect the overall statistics for interval mode, + * we copy the counts from evsel->prev_raw_counts to + * evsel->counts. The perf_stat_process_counter creates + * aggr values from per cpu values, but the per cpu values + * are 0 for AGGR_GLOBAL. So we use a trick that saves the + * previous aggr value to the first member of perf_counts, + * then aggr calculation in process_counter_values can work + * correctly. + */ + evlist__for_each_entry(evlist, evsel) { + *perf_counts(evsel->prev_raw_counts, 0, 0) = + evsel->prev_raw_counts->aggr; + } } static void zero_per_pkg(struct evsel *counter) @@ -302,7 +342,7 @@ process_counter_values(struct perf_stat_config *config, struct evsel *evsel, case AGGR_NODE: case AGGR_NONE: if (!evsel->snapshot) - perf_evsel__compute_deltas(evsel, cpu, thread, count); + evsel__compute_deltas(evsel, cpu, thread, count); perf_counts_values__scale(count, config->scale, NULL); if ((config->aggr_mode == AGGR_NONE) && (!evsel->percore)) { perf_stat__update_shadow_stats(evsel, count->val, @@ -334,7 +374,7 @@ static int process_counter_maps(struct perf_stat_config *config, struct evsel *counter) { int nthreads = perf_thread_map__nr(counter->core.threads); - int ncpus = perf_evsel__nr_cpus(counter); + int ncpus = evsel__nr_cpus(counter); int cpu, thread; if (counter->core.system_wide) @@ -368,8 +408,10 @@ int perf_stat_process_counter(struct perf_stat_config *config, * interval mode, otherwise overall avg running * averages will be shown for each interval. */ - if (config->interval) - init_stats(ps->res_stats); + if (config->interval || config->summary) { + for (i = 0; i < 3; i++) + init_stats(&ps->res_stats[i]); + } if (counter->per_pkg) zero_per_pkg(counter); @@ -382,7 +424,7 @@ int perf_stat_process_counter(struct perf_stat_config *config, return 0; if (!counter->snapshot) - perf_evsel__compute_deltas(counter, -1, -1, aggr); + evsel__compute_deltas(counter, -1, -1, aggr); perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled); for (i = 0; i < 3; i++) @@ -390,7 +432,7 @@ int perf_stat_process_counter(struct perf_stat_config *config, if (verbose > 0) { fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", - perf_evsel__name(counter), count[0], count[1], count[2]); + evsel__name(counter), count[0], count[1], count[2]); } /* @@ -507,7 +549,7 @@ int create_perf_stat_counter(struct evsel *evsel, * either manually by us or by kernel via enable_on_exec * set later. */ - if (perf_evsel__is_group_leader(evsel)) { + if (evsel__is_group_leader(evsel)) { attr->disabled = 1; /* @@ -519,7 +561,7 @@ int create_perf_stat_counter(struct evsel *evsel, } if (target__has_cpu(target) && !target__has_per_thread(target)) - return perf_evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu); + return evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu); - return perf_evsel__open_per_thread(evsel, evsel->core.threads); + return evsel__open_per_thread(evsel, evsel->core.threads); } |