kernel/events/core.c

1212  *        put_event()			[ parent, 1 ]
2058 static void put_event(struct perf_event *event);
2073 		put_event(iter);
2086 		put_event(event);
4954 	 * can't because of the call-site in _free_event()/put_event()
5315 static void put_event(struct perf_event *event)
5407 			put_event(event);
5432 	put_event(event); /* Must be the 'last' reference */
6402 		put_event(event);
6827 	put_event(event);
13088 		put_event(parent_event);
13206 	put_event(parent);