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>

1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 8859b97390ec..ef5d8a5b2453 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -2950,13 +2950,15 @@ static void perf_log_throttle(struct perf_counter *counter, int enable)
         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);