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-rw-r--r--kernel/events/core.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 440eefc..647698f 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2970,6 +2970,22 @@ out:
local_irq_restore(flags);
}
+void perf_event_exec(void)
+{
+ struct perf_event_context *ctx;
+ int ctxn;
+
+ rcu_read_lock();
+ for_each_task_context_nr(ctxn) {
+ ctx = current->perf_event_ctxp[ctxn];
+ if (!ctx)
+ continue;
+
+ perf_event_enable_on_exec(ctx);
+ }
+ rcu_read_unlock();
+}
+
/*
* Cross CPU call to read the hardware event
*/
@@ -5057,18 +5073,6 @@ static void perf_event_comm_event(struct perf_comm_event *comm_event)
void perf_event_comm(struct task_struct *task)
{
struct perf_comm_event comm_event;
- struct perf_event_context *ctx;
- int ctxn;
-
- rcu_read_lock();
- for_each_task_context_nr(ctxn) {
- ctx = task->perf_event_ctxp[ctxn];
- if (!ctx)
- continue;
-
- perf_event_enable_on_exec(ctx);
- }
- rcu_read_unlock();
if (!atomic_read(&nr_comm_events))
return;
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