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| author |   Namhyung Kim <namhyung@kernel.org> | 2022-09-01 12:57:38 -0700 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-10-04 08:55:20 -0300 |
| commit | 75b37db096e30b12f1de88052a19b1a3fff62b5e (patch) | |
| tree | 84957dbba999eccc777d799f2a31475788780b47 | |
| parent | perf record: Read and inject LOST_SAMPLES events (diff) | |
| download | linux-dev-75b37db096e30b12f1de88052a19b1a3fff62b5e.tar.xz linux-dev-75b37db096e30b12f1de88052a19b1a3fff62b5e.zip | |
perf hist: Add nr_lost_samples to hist_stats
This is a preparation to display accurate lost sample counts for
each evsel.
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220901195739.668604-5-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/events_stats.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/hist.c | 5 | ||||
| -rw-r--r-- | tools/perf/util/hist.h | 1 |
3 files changed, 7 insertions, 0 deletions
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, |