perf_event_alloc 11017 kernel/events/core.c 	event = perf_event_alloc(&attr, cpu, task, group_leader, NULL,
perf_event_alloc 11364 kernel/events/core.c 	event = perf_event_alloc(attr, cpu, task, NULL, NULL,
perf_event_alloc 11811 kernel/events/core.c 	child_event = perf_event_alloc(&parent_event->attr,