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authorFrederic Weisbecker <fweisbec@gmail.com>2009-08-31 00:45:18 -0400
committerIngo Molnar <mingo@elte.hu>2009-08-31 04:04:48 -0400
commit5b447a6a13ea823b698bf4c01193654fd7ebf4ec (patch)
tree7d3e1c20cf2fe4dbeb1a64910ace3e222bc6ad6a /tools/perf/util
parentec7ba4ea1d605029fb09601ab4ad3053bc1f519c (diff)
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>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/thread.c13
-rw-r--r--tools/perf/util/thread.h2
2 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index f98032c135c6..3acd37f54888 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -80,6 +80,19 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
80 return th; 80 return th;
81} 81}
82 82
83struct thread *
84register_idle_thread(struct rb_root *threads, struct thread **last_match)
85{
86 struct thread *thread = threads__findnew(0, threads, last_match);
87
88 if (!thread || thread__set_comm(thread, "[idle]")) {
89 fprintf(stderr, "problem inserting idle task.\n");
90 exit(-1);
91 }
92
93 return thread;
94}
95
83void thread__insert_map(struct thread *self, struct map *map) 96void thread__insert_map(struct thread *self, struct map *map)
84{ 97{
85 struct map *pos, *tmp; 98 struct map *pos, *tmp;
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index b1c66719379b..634f2809a342 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -13,6 +13,8 @@ struct thread {
13int thread__set_comm(struct thread *self, const char *comm); 13int thread__set_comm(struct thread *self, const char *comm);
14struct thread * 14struct thread *
15threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match); 15threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match);
16struct thread *
17register_idle_thread(struct rb_root *threads, struct thread **last_match);
16void thread__insert_map(struct thread *self, struct map *map); 18void thread__insert_map(struct thread *self, struct map *map);
17int thread__fork(struct thread *self, struct thread *parent); 19int thread__fork(struct thread *self, struct thread *parent);
18struct map *thread__find_map(struct thread *self, u64 ip); 20struct map *thread__find_map(struct thread *self, u64 ip);