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, 1 insertions, 0 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 1fa1a26cb1b3..6e133954e2e4 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -286,6 +286,7 @@ enum perf_event_type {
          * struct {
          *      struct perf_event_header        header;
          *      u64                             time;
+         *      u64                             id;
          * };
          */
         PERF_EVENT_THROTTLE             = 5,