perf_event_free_task  900 include/linux/perf_event.h extern void perf_event_free_task(struct task_struct *task);
perf_event_free_task 12099 kernel/events/core.c 			perf_event_free_task(child);
perf_event_free_task 2268 kernel/fork.c  	perf_event_free_task(p);