perf_event_task  7118 kernel/events/core.c 	perf_event_task(task, NULL, 1);
perf_event_task  11621 kernel/events/core.c 	perf_event_task(child, child_ctx, 0);
perf_event_task  11665 kernel/events/core.c 	perf_event_task(child, NULL, 0);