kernel/events/core.c

1991 	list_add_tail(&event->sibling_list, &group_leader->sibling_list);
2182 		list_del_init(&event->sibling_list);
2193 	list_for_each_entry_safe(sibling, tmp, &event->sibling_list, sibling_list) {
2199 		list_del_init(&sibling->sibling_list);
5507 	 *  - leader->ctx->lock pins leader->sibling_list
5509 	 *  - parent->ctx->mutex pins parent->sibling_list
11652 	 * A number of pmu->event_init() methods iterate the sibling_list to,
11655 	 * the sibling_list.
11923 	INIT_LIST_HEAD(&event->sibling_list);
12780 	 * new event on the sibling_list. This ensures destruction