perf tools: Librarize idle thread registration
Librarize register_idle_thread() used by annotate and report.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1251693921-6579-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index f98032c..3acd37f 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -80,6 +80,19 @@
return th;
}
+struct thread *
+register_idle_thread(struct rb_root *threads, struct thread **last_match)
+{
+ struct thread *thread = threads__findnew(0, threads, last_match);
+
+ if (!thread || thread__set_comm(thread, "[idle]")) {
+ fprintf(stderr, "problem inserting idle task.\n");
+ exit(-1);
+ }
+
+ return thread;
+}
+
void thread__insert_map(struct thread *self, struct map *map)
{
struct map *pos, *tmp;