linux-kernel - [tip:perf/core] perf evlist: Fix create_syswide

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Message-ID: <tip-8c0498b6891d7ca5c379c6283de7fc7fe8eebe5c@git.kernel.org>
Date:	Wed, 16 Sep 2015 00:34:43 -0700
From:	tip-bot for Adrian Hunter <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	mingo@...nel.org, adrian.hunter@...el.com, tglx@...utronix.de,
	kan.liang@...el.com, hpa@...or.com, jolsa@...nel.org,
	linux-kernel@...r.kernel.org, acme@...hat.com
Subject: [tip:perf/core] perf evlist: Fix create_syswide_maps()
  not propagating maps

Commit-ID:  8c0498b6891d7ca5c379c6283de7fc7fe8eebe5c
Gitweb:     http://git.kernel.org/tip/8c0498b6891d7ca5c379c6283de7fc7fe8eebe5c
Author:     Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Tue, 8 Sep 2015 10:59:00 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 15 Sep 2015 11:03:22 -0300

perf evlist: Fix create_syswide_maps() not propagating maps

Fix it by making it call perf_evlist__set_maps() instead of setting the
maps itself.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Kan Liang <kan.liang@...el.com>
Link: http://lkml.kernel.org/r/1441699142-18905-13-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evlist.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 99267ab..c8fc8a2 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1400,6 +1400,8 @@ void perf_evlist__close(struct perf_evlist *evlist)
 
 static int perf_evlist__create_syswide_maps(struct perf_evlist *evlist)
 {
+	struct cpu_map	  *cpus;
+	struct thread_map *threads;
 	int err = -ENOMEM;
 
 	/*
@@ -1411,20 +1413,19 @@ static int perf_evlist__create_syswide_maps(struct perf_evlist *evlist)
 	 * error, and we may not want to do that fallback to a
 	 * default cpu identity map :-\
 	 */
-	evlist->cpus = cpu_map__new(NULL);
-	if (evlist->cpus == NULL)
+	cpus = cpu_map__new(NULL);
+	if (!cpus)
 		goto out;
 
-	evlist->threads = thread_map__new_dummy();
-	if (evlist->threads == NULL)
-		goto out_free_cpus;
+	threads = thread_map__new_dummy();
+	if (!threads)
+		goto out_put;
 
-	err = 0;
+	perf_evlist__set_maps(evlist, cpus, threads);
 out:
 	return err;
-out_free_cpus:
-	cpu_map__put(evlist->cpus);
-	evlist->cpus = NULL;
+out_put:
+	cpu_map__put(cpus);
 	goto out;
 }
 
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