Commit 55f75444 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf report: Show event sample counts in --stat output 



To make the output identical with perf report -D, it needs to show
per-event sample counts along with the aggregated stat  at the end.

Reviewed-by: default avatarAndi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210427013717.1651674-4-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 0f0abbac

tools/perf/builtin-report.c

+14 −0
Original line number Diff line number Diff line
@@ -708,9 +708,22 @@ static void report__output_resort(struct report *rep) 
	ui_progress__finish();

}



static int count_sample_event(struct perf_tool *tool __maybe_unused,

			      union perf_event *event __maybe_unused,

			      struct perf_sample *sample __maybe_unused,

			      struct evsel *evsel,

			      struct machine *machine __maybe_unused)

{

	struct hists *hists = evsel__hists(evsel);



	hists__inc_nr_events(hists);

	return 0;

}



static void stats_setup(struct report *rep)

{

	memset(&rep->tool, 0, sizeof(rep->tool));

	rep->tool.sample = count_sample_event;

	rep->tool.no_warn = true;

}
@@ -719,6 +732,7 @@ static int stats_print(struct report *rep) 
	struct perf_session *session = rep->session;



	perf_session__fprintf_nr_events(session, stdout);

	perf_evlist__fprintf_nr_events(session->evlist, stdout);

	return 0;

}