Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 12/19] perf stat: Reset aggr counts for each interval | Date | Sun, 9 Oct 2022 22:35:53 -0700 |
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The evsel->stats->aggr->count should be reset for interval processing since we want to use the values directly for display.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/builtin-stat.c | 3 +++ tools/perf/util/stat.c | 13 +++++++++++++ tools/perf/util/stat.h | 1 + 3 files changed, 17 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 983f38cd4caa..38036f40e993 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -492,6 +492,8 @@ static void process_interval(void) diff_timespec(&rs, &ts, &ref_time); perf_stat__reset_shadow_per_stat(&rt_stat); + evlist__reset_aggr_stats(evsel_list); + read_counters(&rs); if (STAT_RECORD) { @@ -965,6 +967,7 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx) evlist__copy_prev_raw_counts(evsel_list); evlist__reset_prev_raw_counts(evsel_list); + evlist__reset_aggr_stats(evsel_list); perf_stat__reset_shadow_per_stat(&rt_stat); } else { update_stats(&walltime_nsecs_stats, t1 - t0); diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 279aa4ea342d..4edfc1c5dc07 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -276,6 +276,19 @@ void evlist__reset_stats(struct evlist *evlist) } } +void evlist__reset_aggr_stats(struct evlist *evlist) +{ + struct evsel *evsel; + + evlist__for_each_entry(evlist, evsel) { + struct perf_stat_evsel *ps = evsel->stats; + struct perf_stat_aggr *aggr = ps->aggr; + + if (aggr) + memset(aggr, 0, sizeof(*aggr) * ps->nr_aggr); + } +} + void evlist__reset_prev_raw_counts(struct evlist *evlist) { struct evsel *evsel; diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 936c0709ce0d..3a876ad2870b 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -266,6 +266,7 @@ void evlist__copy_prev_raw_counts(struct evlist *evlist); void evlist__save_aggr_prev_raw_counts(struct evlist *evlist); int evlist__alloc_aggr_stats(struct evlist *evlist, int nr_aggr); +void evlist__reset_aggr_stats(struct evlist *evlist); int perf_stat_process_counter(struct perf_stat_config *config, struct evsel *counter); -- 2.38.0.rc1.362.ged0d419d3c-goog
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