perf_counter: Add counter->id to the throttle event
So as to be able to distuinguish between multiple counters.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 1fa1a26..6e13395 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -286,6 +286,7 @@
* struct {
* struct perf_event_header header;
* u64 time;
+ * u64 id;
* };
*/
PERF_EVENT_THROTTLE = 5,
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 8859b97..ef5d8a5 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -2950,13 +2950,15 @@
struct {
struct perf_event_header header;
u64 time;
+ u64 id;
} throttle_event = {
.header = {
.type = PERF_EVENT_THROTTLE + 1,
.misc = 0,
.size = sizeof(throttle_event),
},
- .time = sched_clock(),
+ .time = sched_clock(),
+ .id = counter->id,
};
ret = perf_output_begin(&handle, counter, sizeof(throttle_event), 1, 0);