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>

1 files changed, 1 insertions, 12 deletions

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 4c7bc4436236..043d85b7e254 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -472,17 +472,6 @@ static void output__resort(void)
         }
 }
 
-static void register_idle_thread(void)
-{
-        struct thread *thread = threads__findnew(0, &threads, &last_match);
-
-        if (thread == NULL ||
-                        thread__set_comm(thread, "[idle]")) {
-                fprintf(stderr, "problem inserting idle task.\n");
-                exit(-1);
-        }
-}
-
 static unsigned long total = 0,
                      total_mmap = 0,
                      total_comm = 0,
@@ -970,7 +959,7 @@ static int __cmd_annotate(void)
         uint32_t size;
         char *buf;
 
-        register_idle_thread();
+        register_idle_thread(&threads, &last_match);
 
         input = open(input_name, O_RDONLY);
         if (input < 0) {