diff options
Diffstat (limited to 'tools/perf/util/stat.c')
| -rw-r--r-- | tools/perf/util/stat.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index aff1e7390585..26c48ef7ca92 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -691,6 +691,77 @@ void perf_stat_merge_counters(struct perf_stat_config *config, struct evlist *ev evsel__merge_stats(evsel, config); } +static void evsel__update_percore_stats(struct evsel *evsel, struct aggr_cpu_id *core_id) +{ + struct perf_stat_evsel *ps = evsel->stats; + struct perf_counts_values counts = { 0, }; + struct aggr_cpu_id id; + struct perf_cpu cpu; + int idx; + + /* collect per-core counts */ + perf_cpu_map__for_each_cpu(cpu, idx, evsel->core.cpus) { + struct perf_stat_aggr *aggr = &ps->aggr[idx]; + + id = aggr_cpu_id__core(cpu, NULL); + if (!aggr_cpu_id__equal(core_id, &id)) + continue; + + counts.val += aggr->counts.val; + counts.ena += aggr->counts.ena; + counts.run += aggr->counts.run; + } + + /* update aggregated per-core counts for each CPU */ + perf_cpu_map__for_each_cpu(cpu, idx, evsel->core.cpus) { + struct perf_stat_aggr *aggr = &ps->aggr[idx]; + + id = aggr_cpu_id__core(cpu, NULL); + if (!aggr_cpu_id__equal(core_id, &id)) + continue; + + aggr->counts.val = counts.val; + aggr->counts.ena = counts.ena; + aggr->counts.run = counts.run; + + aggr->used = true; + } +} + +/* we have an aggr_map for cpu, but want to aggregate the counters per-core */ +static void evsel__process_percore(struct evsel *evsel) +{ + struct perf_stat_evsel *ps = evsel->stats; + struct aggr_cpu_id core_id; + struct perf_cpu cpu; + int idx; + + if (!evsel->percore) + return; + + perf_cpu_map__for_each_cpu(cpu, idx, evsel->core.cpus) { + struct perf_stat_aggr *aggr = &ps->aggr[idx]; + + if (aggr->used) + continue; + + core_id = aggr_cpu_id__core(cpu, NULL); + evsel__update_percore_stats(evsel, &core_id); + } +} + +/* process cpu stats on per-core events */ +void perf_stat_process_percore(struct perf_stat_config *config, struct evlist *evlist) +{ + struct evsel *evsel; + + if (config->aggr_mode != AGGR_NONE) + return; + + evlist__for_each_entry(evlist, evsel) + evsel__process_percore(evsel); +} + int perf_event__process_stat_event(struct perf_session *session, union perf_event *event) { |