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Commit 2af4646d authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf stat record: Store events IDs in perf data file 



Store event IDs in evlist object so it get stored into perf.data file.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Tested-by: default avatarKan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1446734469-11352-6-git-send-email-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 1c59612d

tools/perf/builtin-stat.c

+35 −0
Original line number Diff line number Diff line
@@ -346,6 +346,38 @@ static int perf_stat_synthesize_config(void) 
	return 0;

}



#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))



static int __store_counter_ids(struct perf_evsel *counter,

			       struct cpu_map *cpus,

			       struct thread_map *threads)

{

	int cpu, thread;



	for (cpu = 0; cpu < cpus->nr; cpu++) {

		for (thread = 0; thread < threads->nr; thread++) {

			int fd = FD(counter, cpu, thread);



			if (perf_evlist__id_add_fd(evsel_list, counter,

						   cpu, thread, fd) < 0)

				return -1;

		}

	}



	return 0;

}



static int store_counter_ids(struct perf_evsel *counter)

{

	struct cpu_map *cpus = counter->cpus;

	struct thread_map *threads = counter->threads;



	if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr))

		return -ENOMEM;



	return __store_counter_ids(counter, cpus, threads);

}



static int __run_perf_stat(int argc, const char **argv)

{

	int interval = stat_config.interval;
@@ -410,6 +442,9 @@ static int __run_perf_stat(int argc, const char **argv) 
		l = strlen(counter->unit);

		if (l > unit_width)

			unit_width = l;



		if (STAT_RECORD && store_counter_ids(counter))

			return -1;

	}



	if (perf_evlist__apply_filters(evsel_list, &counter)) {