11469 static void sync_child_event(struct perf_event *child_event,  in sync_child_event()  argument
11472 	struct perf_event *parent_event = child_event->parent;  in sync_child_event()
11475 	if (child_event->attr.inherit_stat)  in sync_child_event()
11476 		perf_event_read_event(child_event, child);  in sync_child_event()
11478 	child_val = perf_event_count(child_event);  in sync_child_event()
11484 	atomic64_add(child_event->total_time_enabled,  in sync_child_event()
11486 	atomic64_add(child_event->total_time_running,  in sync_child_event()
11491 perf_event_exit_event(struct perf_event *child_event,  in perf_event_exit_event()  argument
11495 	struct perf_event *parent_event = child_event->parent;  in perf_event_exit_event()
11513 		perf_group_detach(child_event);  in perf_event_exit_event()
11514 	list_del_event(child_event, child_ctx);  in perf_event_exit_event()
11515 	perf_event_set_state(child_event, PERF_EVENT_STATE_EXIT); /* is_event_hup() */  in perf_event_exit_event()
11522 		perf_event_wakeup(child_event);  in perf_event_exit_event()
11529 	sync_child_event(child_event, child);  in perf_event_exit_event()
11536 	list_del_init(&child_event->child_list);  in perf_event_exit_event()
11543 	free_event(child_event);  in perf_event_exit_event()
11550 	struct perf_event *child_event, *next;  in perf_event_exit_task_context()  local
11600 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
11601 		perf_event_exit_event(child_event, child_ctx, child);  in perf_event_exit_task_context()
11776 	struct perf_event *child_event;  in inherit_event()  local
11788 	child_event = perf_event_alloc(&parent_event->attr,  in inherit_event()
11793 	if (IS_ERR(child_event))  in inherit_event()
11794 		return child_event;  in inherit_event()
11797 	if ((child_event->attach_state & PERF_ATTACH_TASK_DATA) &&  in inherit_event()
11799 		struct pmu *pmu = child_event->pmu;  in inherit_event()
11804 			free_event(child_event);  in inherit_event()
11820 		free_event(child_event);  in inherit_event()
11832 		child_event->state = PERF_EVENT_STATE_INACTIVE;  in inherit_event()
11834 		child_event->state = PERF_EVENT_STATE_OFF;  in inherit_event()
11838 		struct hw_perf_event *hwc = &child_event->hw;  in inherit_event()
11846 	child_event->ctx = child_ctx;  in inherit_event()
11847 	child_event->overflow_handler = parent_event->overflow_handler;  in inherit_event()
11848 	child_event->overflow_handler_context  in inherit_event()
11854 	perf_event__header_size(child_event);  in inherit_event()
11855 	perf_event__id_header_size(child_event);  in inherit_event()
11861 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
11867 	list_add_tail(&child_event->child_list, &parent_event->child_list);  in inherit_event()
11870 	return child_event;  in inherit_event()