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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-08-31 06:45:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-31 10:04:48 +0200 |
| commit | 5b447a6a13ea823b698bf4c01193654fd7ebf4ec (patch) | |
| tree | 7d3e1c20cf2fe4dbeb1a64910ace3e222bc6ad6a /tools/perf/util | |
| parent | ec7ba4ea1d605029fb09601ab4ad3053bc1f519c (diff) | |
| download | linux-5b447a6a13ea823b698bf4c01193654fd7ebf4ec.tar.bz2 | |
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.c | 13 | ||||
| -rw-r--r-- | tools/perf/util/thread.h | 2 |
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) 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; 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 { int thread__set_comm(struct thread *self, const char *comm); struct thread * threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match); +struct thread * +register_idle_thread(struct rb_root *threads, struct thread **last_match); void thread__insert_map(struct thread *self, struct map *map); int thread__fork(struct thread *self, struct thread *parent); struct map *thread__find_map(struct thread *self, u64 ip); |