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authorFrederic Weisbecker <fweisbec@gmail.com>2013-09-11 18:18:24 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-11-04 18:57:06 +0400
commit162f0befda3becc2cc9f44075fccc030e55baec1 (patch)
tree5f8ea7a9a2fcb28d1ab742e73a56497c078a33f9 /tools/perf/util/thread.c
parentb9c5143a012a543c4ee872498d6dbae5c10beb2e (diff)
downloadlinux-162f0befda3becc2cc9f44075fccc030e55baec1.tar.xz
perf tools: Add time argument on COMM setting
This way we can later delimit a lifecycle for the COMM and map a hist to a precise COMM:timeslice couple. PERF_RECORD_COMM and PERF_RECORD_FORK events that don't have PERF_SAMPLE_TIME samples can only send 0 value as a timestamp and thus should overwrite any previous COMM on a given thread because there is no sensible way to keep track of all the comms lifecycles in a thread without time informations. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Tested-by: Jiri Olsa <jolsa@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-6tyow99vgmmtt9qwr2u2lqd7@git.kernel.org [ Made it cope with PERF_RECORD_MMAP2 ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/thread.c')
-rw-r--r--tools/perf/util/thread.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 56760079565b..0ea73fe383f5 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -31,7 +31,8 @@ void thread__delete(struct thread *thread)
free(thread);
}
-int thread__set_comm(struct thread *thread, const char *comm)
+int thread__set_comm(struct thread *thread, const char *comm,
+ u64 timestamp __maybe_unused)
{
int err;
@@ -73,7 +74,8 @@ void thread__insert_map(struct thread *thread, struct map *map)
map_groups__insert(&thread->mg, map);
}
-int thread__fork(struct thread *thread, struct thread *parent)
+int thread__fork(struct thread *thread, struct thread *parent,
+ u64 timestamp __maybe_unused)
{
int i;