linux-kernel - [PATCH 19/52] perf tools: Add stat events fprintf functions

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Date:	Sun, 25 Oct 2015 15:51:35 +0100
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"Liang, Kan" <kan.liang@...el.com>
Subject: [PATCH 19/52] perf tools: Add stat events fprintf functions

Introducing following functions to display stat events
for raw dump.

  perf_event__fprintf_stat
  perf_event__fprintf_stat_round
  perf_event__fprintf_stat_config

Link: http://lkml.kernel.org/n/tip-hw2aywbi4w9jsq7cw8cene3u@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/stat.c | 39 +++++++++++++++++++++++++++++++++++++++
 tools/perf/util/stat.h |  4 ++++
 2 files changed, 43 insertions(+)

diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 40fa99b640f8..0480f39c8c4a 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -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 *stat = (struct stat_event*) event;
+	size_t ret;
+
+	ret  = fprintf(fp, "\n... id %" PRIu64 ", cpu %d, thread %d\n",
+		       stat->id, stat->cpu, stat->thread);
+	ret += fprintf(fp, "... value %" PRIu64 ", enabled %" PRIu64 ", running %" PRIu64 "\n",
+		       stat->val, stat->ena, stat->run);
+
+	return ret;
+}
+
+size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp)
+{
+	struct stat_round_event *round = (struct stat_round_event*) event;
+	size_t ret;
+
+	ret = fprintf(fp, "\n... time %" PRIu64 ", type %s\n", round->time,
+		      round->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;
+}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index afe6844e5219..086f4e128d63 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -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
-- 
2.4.3

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