linux-kernel - [tip:perf/core] perf tools: Add stat events fprintf functions

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Date:	Fri, 18 Dec 2015 01:05:40 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	jolsa@...nel.org, a.p.zijlstra@...llo.nl, mingo@...nel.org,
	kan.liang@...el.com, acme@...hat.com, linux-kernel@...r.kernel.org,
	hpa@...or.com, dsahern@...il.com, namhyung@...nel.org,
	tglx@...utronix.de
Subject: [tip:perf/core] perf tools: Add stat events fprintf functions

Commit-ID:  e08a4564e23f8f89a055d717887674f54a9da515
Gitweb:     http://git.kernel.org/tip/e08a4564e23f8f89a055d717887674f54a9da515
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Sun, 25 Oct 2015 15:51:35 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 17 Dec 2015 15:09:38 -0300

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: Jiri Olsa <jolsa@...nel.org>
Tested-by: Kan Liang <kan.liang@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.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: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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 0ad59ce..2f901d1 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 *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;
+}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index afe6844..086f4e1 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
--
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