1457 	struct perf_event *sibling, *tmp;  in perf_group_detach()  local
1485 	list_for_each_entry_safe(sibling, tmp, &event->sibling_list, group_entry) {  in perf_group_detach()
1487 			list_move_tail(&sibling->group_entry, list);  in perf_group_detach()
1488 		sibling->group_leader = sibling;  in perf_group_detach()
1491 		sibling->group_flags = event->group_flags;  in perf_group_detach()
1493 		WARN_ON_ONCE(sibling->ctx != event->ctx);  in perf_group_detach()
4127 	struct perf_event *sibling;  in perf_event_for_each()  local
4134 	list_for_each_entry(sibling, &event->sibling_list, group_entry)  in perf_event_for_each()
4135 		perf_event_for_each_child(sibling, func);  in perf_event_for_each()
8245 	struct perf_event *event, *sibling;  in SYSCALL_DEFINE5()  local
8505 		list_for_each_entry(sibling, &group_leader->sibling_list,  in SYSCALL_DEFINE5()
8507 			perf_remove_from_context(sibling, false);  in SYSCALL_DEFINE5()
8527 		list_for_each_entry(sibling, &group_leader->sibling_list,  in SYSCALL_DEFINE5()
8529 			perf_event__state_init(sibling);  in SYSCALL_DEFINE5()
8530 			perf_install_in_context(ctx, sibling, sibling->cpu);  in SYSCALL_DEFINE5()