linux-kernel - [PATCH 6/8] perf evlist: Add fprintf method

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Date:	Thu,  6 Sep 2012 16:31:19 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 6/8] perf evlist: Add fprintf method

From: Arnaldo Carvalho de Melo <acme@...hat.com>

For debugging, etc.

Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-fjimge1ovgh976qlt8dtmlp0@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evlist.c |   13 +++++++++++++
 tools/perf/util/evlist.h |    2 ++
 2 files changed, 15 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 4774ac1..8923537 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -889,3 +889,16 @@ int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *even
 	struct perf_evsel *evsel = perf_evlist__first(evlist);
 	return perf_evsel__parse_sample(evsel, event, sample, swapped);
 }
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp)
+{
+	struct perf_evsel *evsel;
+	size_t printed = 0;
+
+	list_for_each_entry(evsel, &evlist->entries, node) {
+		printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "",
+				   perf_evsel__name(evsel));
+	}
+
+	return printed + fprintf(fp, "\n");;
+}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 2ed2557..3f2e1e4 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -143,4 +143,6 @@ static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
 {
 	return list_entry(evlist->entries.prev, struct perf_evsel, node);
 }
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
 #endif /* __PERF_EVLIST_H */
-- 
1.7.9.2.358.g22243

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