Commit-ID: b79387ef185af2323594920923cecba5753c3817
Gitweb: http://git.kernel.org/tip/b79387ef185af2323594920923cecba5753c3817
Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Tue, 22 Nov 2011 11:25:43 +0100
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Tue, 6 Dec 2011 08:34:01 +0100
perf: Fix enable_on_exec for sibling events
Deng-Cheng Zhu reported that sibling events that were created disabled
with enable_on_exec would never get enabled. Iterate all events
instead of the group lists.
Reported-by: Deng-Cheng Zhu <dczhu@xxxxxxxx>
Tested-by: Deng-Cheng Zhu <dczhu@xxxxxxxx>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1322048382.14799.41.camel@twins
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
kernel/events/core.c | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index eeda540..3c1541d 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2497,13 +2497,7 @@ static void perf_event_enable_on_exec(struct perf_event_context *ctx)
raw_spin_lock(&ctx->lock);
task_ctx_sched_out(ctx);
- list_for_each_entry(event, &ctx->pinned_groups, group_entry) {
- ret = event_enable_on_exec(event, ctx);
- if (ret)
- enabled = 1;
- }
-
- list_for_each_entry(event, &ctx->flexible_groups, group_entry) {
+ list_for_each_entry(event, &ctx->event_list, event_entry) {
ret = event_enable_on_exec(event, ctx);
if (ret)
enabled = 1;
--
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