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Commit cca3f454 authored Jun 11, 2009 by Peter Zijlstra Committed by Ingo Molnar Jun 11, 2009

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>

parent a308444c

include/linux/perf_counter.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -286,6 +286,7 @@ enum perf_event_type {
		* struct {
		* struct perf_event_header header;
		* u64 time;
		* u64 id;
		* };
		*/
		PERF_EVENT_THROTTLE = 5,

kernel/perf_counter.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -2950,6 +2950,7 @@ 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,
		@@ -2957,6 +2958,7 @@ static void perf_log_throttle(struct perf_counter *counter, int enable)
		.size = sizeof(throttle_event),
		},
		.time = sched_clock(),
		.id = counter->id,
		};

		ret = perf_output_begin(&handle, counter, sizeof(throttle_event), 1, 0);