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Commit e08a4564 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Add stat events fprintf functions 



Introducing the following functions to display the stat events for raw
dump.

  perf_event__fprintf_stat
  perf_event__fprintf_stat_round
  perf_event__fprintf_stat_config

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/1445784728-21732-20-git-send-email-jolsa@kernel.org


[ s/stat/st/g and s/round/rd/g parameters to fix 'already defined' build error with older distros (e.g. RHEL6.7) ]
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent d4c22591

tools/perf/util/stat.c

+39 −0
Original line number Diff line number Diff line
@@ -364,3 +364,42 @@ int perf_event__process_stat_event(struct perf_tool *tool __maybe_unused, 
	counter->supported = true;

	return 0;

}



size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp)

{

	struct stat_event *st = (struct stat_event *) event;

	size_t ret;



	ret  = fprintf(fp, "\n... id %" PRIu64 ", cpu %d, thread %d\n",

		       st->id, st->cpu, st->thread);

	ret += fprintf(fp, "... value %" PRIu64 ", enabled %" PRIu64 ", running %" PRIu64 "\n",

		       st->val, st->ena, st->run);



	return ret;

}



size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp)

{

	struct stat_round_event *rd = (struct stat_round_event *)event;

	size_t ret;



	ret = fprintf(fp, "\n... time %" PRIu64 ", type %s\n", rd->time,

		      rd->type == PERF_STAT_ROUND_TYPE__FINAL ? "FINAL" : "INTERVAL");



	return ret;

}



size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp)

{

	struct perf_stat_config sc;

	size_t ret;



	perf_event__read_stat_config(&sc, &event->stat_config);



	ret  = fprintf(fp, "\n");

	ret += fprintf(fp, "... aggr_mode %d\n", sc.aggr_mode);

	ret += fprintf(fp, "... scale     %d\n", sc.scale);

	ret += fprintf(fp, "... interval  %u\n", sc.interval);



	return ret;

}

tools/perf/util/stat.h

+4 −0
Original line number Diff line number Diff line
@@ -96,4 +96,8 @@ struct perf_session; 
int perf_event__process_stat_event(struct perf_tool *tool,

				   union perf_event *event,

				   struct perf_session *session);



size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);

size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);

size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);

#endif