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perf hist: Add nr_lost_samples to hist_stats

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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>
This commit is contained in:
Namhyung Kim 2022-09-01 12:57:38 -07:00 committed by Arnaldo Carvalho de Melo
parent e3a23261ad
commit 75b37db096
3 changed files with 7 additions and 0 deletions
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1
tools/perf/util/events_stats.h
View File

@ -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);

5
tools/perf/util/hist.c
View File

@ -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)
{

1
tools/perf/util/hist.h
View File

@ -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,