Commit 75b37db0 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf hist: Add nr_lost_samples to hist_stats 



This is a preparation to display accurate lost sample counts for
each evsel.

Reviewed-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarNamhyung 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e3a23261

tools/perf/util/events_stats.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

tools/perf/util/hist.c

+5 −0
Original line number Diff line number Diff line
@@ -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)

{

tools/perf/util/hist.h

+1 −0
Original line number Diff line number Diff line
@@ -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,