[tip:perf/core] perf evlist: Factor out a function to propagate maps for a single evsel

tip-bot for Adrian Hunter
2015-09-16T07:34:17Z

Commit-ID: adc0c3e87b0e1baeccabe09b6dba738f17d0e91d
Gitweb: http://git.kernel.org/tip/adc0c3e87b0e1baeccabe09b6dba738f17d0e91d
Author: Adrian Hunter <adrian.hunter@intel.com>
AuthorDate: Tue, 8 Sep 2015 10:58:58 +0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 15 Sep 2015 10:54:04 -0300

perf evlist: 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@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Link: http://lkml.kernel.org/r/1441699142-18905-11-git-send-email-adrian.hunter@intel.com
[ Moved them to before perf_evlist__add() to avoid having to move it in the next patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/evlist.c | 49 ++++++++++++++++++++++++++----------------------
1 file changed, 27 insertions(+), 22 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index c17f355..4e840bf 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -124,6 +124,33 @@ void perf_evlist__delete(struct perf_evlist *evlist)
free(evlist);
}

+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)
+ __perf_evlist__propagate_maps(evlist, evsel);
+}
+
void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry)
{
entry->evlist = evlist;
@@ -1102,28 +1129,6 @@ 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;
-
- 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);
- }
-}
-
int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target)
{
struct cpu_map *cpus;