perf annotate: Fix perf data parsing
perf-annotate doesn't parse perf.data correctly in that it
doesn't read perf header. Fix this by using
mmap_dispatch_perf_file().
Before:
TOTAL events: 17565
MMAP events: 3221
LOST events: 10
COMM events: 235
EXIT events: 2
THROTTLE events: 1
UNTHROTTLE events: 2
FORK events: 10
READ events: 1
SAMPLE events: 14083
After:
TOTAL events: 17290
MMAP events: 3203
LOST events: 0
COMM events: 234
EXIT events: 1
THROTTLE events: 0
UNTHROTTLE events: 0
FORK events: 0
READ events: 0
SAMPLE events: 13852
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arjan van de Ven <arjan@infradead.org>
LKML-Reference: <4B14B201.9030708@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 233d7ad..414b89d 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -186,8 +186,7 @@
{
struct thread *thread = threads__findnew(self->comm.pid);
- dump_printf("PERF_RECORD_COMM: %s:%d\n",
- self->comm.comm, self->comm.pid);
+ dump_printf(": %s:%d\n", self->comm.comm, self->comm.pid);
if (thread == NULL || thread__set_comm(thread, self->comm.comm)) {
dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");