Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 4/5] perf hist: Add nr_lost_samples to hist_stats | Date | Wed, 31 Aug 2022 14:03:51 -0700 |
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This is a preparation to display accurate lost sample counts for each evsel.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/util/events_stats.h | 1 + tools/perf/util/hist.c | 5 +++++ tools/perf/util/hist.h | 1 + 3 files changed, 7 insertions(+)
diff --git a/tools/perf/util/events_stats.h b/tools/perf/util/events_stats.h index 040ab9d0a803..8fecc9fbaecc 100644 --- a/tools/perf/util/events_stats.h +++ b/tools/perf/util/events_stats.h @@ -47,6 +47,7 @@ struct hists_stats { u64 total_non_filtered_period; u32 nr_samples; u32 nr_non_filtered_samples; + u32 nr_lost_samples; }; void events_stats__inc(struct events_stats *stats, u32 type); diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 698add038cec..8cab049f7119 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -2335,6 +2335,11 @@ void hists__inc_nr_samples(struct hists *hists, bool filtered) hists->stats.nr_non_filtered_samples++; } +void hists__inc_nr_lost_samples(struct hists *hists, u32 lost) +{ + hists->stats.nr_lost_samples += lost; +} + static struct hist_entry *hists__add_dummy_entry(struct hists *hists, struct hist_entry *pair) { diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 508428b2c1b2..c7a7a3fa0b87 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -201,6 +201,7 @@ void hists__reset_stats(struct hists *hists); void hists__inc_stats(struct hists *hists, struct hist_entry *h); void hists__inc_nr_events(struct hists *hists); void hists__inc_nr_samples(struct hists *hists, bool filtered); +void hists__inc_nr_lost_samples(struct hists *hists, u32 lost); size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, int max_cols, float min_pcnt, FILE *fp, -- 2.37.2.789.g6183377224-goog
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