diff options
Diffstat (limited to 'kernel/events/core.c')
| -rw-r--r-- | kernel/events/core.c | 8 | 
1 files changed, 6 insertions, 2 deletions
| diff --git a/kernel/events/core.c b/kernel/events/core.c index b0cd86501c30..59412d037eed 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4434,12 +4434,15 @@ static void perf_event_task_event(struct perf_task_event *task_event)  			if (ctxn < 0)  				goto next;  			ctx = rcu_dereference(current->perf_event_ctxp[ctxn]); +			if (ctx) +				perf_event_task_ctx(ctx, task_event);  		} -		if (ctx) -			perf_event_task_ctx(ctx, task_event);  next:  		put_cpu_ptr(pmu->pmu_cpu_context);  	} +	if (task_event->task_ctx) +		perf_event_task_ctx(task_event->task_ctx, task_event); +  	rcu_read_unlock();  } @@ -5647,6 +5650,7 @@ static void perf_swevent_init_hrtimer(struct perf_event *event)  		event->attr.sample_period = NSEC_PER_SEC / freq;  		hwc->sample_period = event->attr.sample_period;  		local64_set(&hwc->period_left, hwc->sample_period); +		hwc->last_period = hwc->sample_period;  		event->attr.freq = 0;  	}  } |