linux-kernel - [tip:perf/core] perf evsel: The tracepoint constructor should store sys:name

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Message-ID: <tip-v9x3q9rv4caxtox7wtjpchq5@git.kernel.org>
Date:	Fri, 28 Sep 2012 09:32:10 -0700
From:	tip-bot for Arnaldo Carvalho de Melo <acme@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, eranian@...gle.com, paulus@...ba.org,
	acme@...hat.com, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, efault@....de, namhyung@...il.com,
	jolsa@...hat.com, fweisbec@...il.com, dsahern@...il.com,
	tglx@...utronix.de
Subject: [tip:perf/core] perf evsel:
  The tracepoint constructor should store sys:name

Commit-ID:  e48ffe2bd49936314d367a8c6b5eaaa17d581d13
Gitweb:     http://git.kernel.org/tip/e48ffe2bd49936314d367a8c6b5eaaa17d581d13
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Wed, 26 Sep 2012 17:11:38 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 26 Sep 2012 18:29:17 -0300

perf evsel: The tracepoint constructor should store sys:name

Not event_format->name, that doesn't contains the sys: part.

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-v9x3q9rv4caxtox7wtjpchq5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evsel.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 6022daa..6f2a8c3 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -122,6 +122,9 @@ struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
 					  PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
 		};
 
+		if (asprintf(&evsel->name, "%s:%s", sys, name) < 0)
+			goto out_free;
+
 		evsel->tp_format = event_format__new(sys, name);
 		if (evsel->tp_format == NULL)
 			goto out_free;
@@ -130,12 +133,12 @@ struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
 		attr.config = evsel->tp_format->id;
 		attr.sample_period = 1;
 		perf_evsel__init(evsel, &attr, idx);
-		evsel->name = evsel->tp_format->name;
 	}
 
 	return evsel;
 
 out_free:
+	free(evsel->name);
 	free(evsel);
 	return NULL;
 }
@@ -584,10 +587,8 @@ void perf_evsel__delete(struct perf_evsel *evsel)
 	perf_evsel__exit(evsel);
 	close_cgroup(evsel->cgrp);
 	free(evsel->group_name);
-	if (evsel->tp_format && evsel->name == evsel->tp_format->name) {
-		evsel->name = NULL;
+	if (evsel->tp_format)
 		pevent_free_format(evsel->tp_format);
-	}
 	free(evsel->name);
 	free(evsel);
 }
--
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