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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: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri 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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2021-04-26 18:37:14 -07:00 committed by Arnaldo Carvalho de Melo
parent 0f0abbace3
commit 55f7544438
1 changed files with 14 additions and 0 deletions
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14
tools/perf/builtin-report.c
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@ -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;
}