linux-kernel - [PATCH V2 10/14] perf tools: Factor out a function to propagate maps for a single evsel

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Date:	Mon,  7 Sep 2015 17:27:52 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	Jiri Olsa <jolsa@...hat.com>, mingo@...nel.org,
	kan.liang@...el.com, linux-kernel@...r.kernel.org
Subject: [PATCH V2 10/14] perf tools: Factor out a function to propagate maps for a single evsel

Subsequent fixes will need a function that just propagates maps
for a single evsel so factor it out.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/evlist.c | 37 +++++++++++++++++++++----------------
 1 file changed, 21 insertions(+), 16 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 093ea73d863c..cddd5f25aa23 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1102,26 +1102,31 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
 	return perf_evlist__mmap_ex(evlist, pages, overwrite, 0, false);
 }
 
+static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
+					  struct perf_evsel *evsel)
+{
+	/*
+	 * We already have cpus for evsel (via PMU sysfs) so
+	 * keep it, if there's no target cpu list defined.
+	 */
+	if (!evsel->own_cpus || evlist->has_user_cpus) {
+		cpu_map__put(evsel->cpus);
+		evsel->cpus = cpu_map__get(evlist->cpus);
+	} else if (evsel->cpus != evsel->own_cpus) {
+		cpu_map__put(evsel->cpus);
+		evsel->cpus = cpu_map__get(evsel->own_cpus);
+	}
+
+	thread_map__put(evsel->threads);
+	evsel->threads = thread_map__get(evlist->threads);
+}
+
 static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
 {
 	struct perf_evsel *evsel;
 
-	evlist__for_each(evlist, evsel) {
-		/*
-		 * We already have cpus for evsel (via PMU sysfs) so
-		 * keep it, if there's no target cpu list defined.
-		 */
-		if (!evsel->own_cpus || evlist->has_user_cpus) {
-			cpu_map__put(evsel->cpus);
-			evsel->cpus = cpu_map__get(evlist->cpus);
-		} else if (evsel->cpus != evsel->own_cpus) {
-			cpu_map__put(evsel->cpus);
-			evsel->cpus = cpu_map__get(evsel->own_cpus);
-		}
-
-		thread_map__put(evsel->threads);
-		evsel->threads = thread_map__get(evlist->threads);
-	}
+	evlist__for_each(evlist, evsel)
+		__perf_evlist__propagate_maps(evlist, evsel);
 }
 
 int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target)
-- 
1.9.1

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