kernel/events/core.c

2047 perf_aux_output_match(struct perf_event *event, struct perf_event *aux_event)
2049 	if (!has_aux(aux_event))
2055 	return event->pmu->aux_output_match(aux_event);
2068 	 * If event uses aux_event tear down the link
2070 	if (event->aux_event) {
2071 		iter = event->aux_event;
2072 		event->aux_event = NULL;
2078 	 * If the event is an aux_event, tear down all links to
2082 		if (iter->aux_event != event)
2085 		iter->aux_event = NULL;
2135 	 * link to the aux_event and can't schedule any more.
2137 	event->aux_event = group_leader;
7005 	struct perf_event *sampler = event->aux_event;
7077 	struct perf_event *sampler = event->aux_event;
13448 		if (sub->aux_event == parent_event && child_ctr &&