Toggling whole group in toggle event overflow,
so we could use the toggling for even groups.
Signed-off-by: Jiri Olsa <jo...@redhat.com>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Corey Ashford <cjash...@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Ingo Molnar <mi...@elte.hu>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
---
kernel/events/core.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index b41a0d8..2c8ff93 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5267,8 +5267,8 @@ static void perf_log_throttle(struct perf_event *event,
int enable)
* - fix race against other toggler
* - fix race against other callers of ->stop/start (adjust period/freq)
*/
-static void perf_event_toggle(struct perf_event *event,
- enum perf_event_toggle_flag flag)
+static void __perf_event_toggle(struct perf_event *event,
+ enum perf_event_toggle_flag flag)
{
unsigned long flags;
bool active;
@@ -5304,6 +5304,16 @@ static void perf_event_toggle(struct perf_event *event,
local_irq_restore(flags);
}
+static void perf_event_toggle(struct perf_event *leader,
+ enum perf_event_toggle_flag flag)
+{
+ struct perf_event *event;
+
+ __perf_event_toggle(leader, flag);
+ list_for_each_entry(event, &leader->sibling_list, group_entry)
+ __perf_event_toggle(event, flag);
+}
+
static void
perf_event_toggle_overflow(struct perf_event *event,
struct perf_sample_data *data,
--
1.7.11.7
--
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