8746 static void sync_child_event(struct perf_event *child_event,  in sync_child_event()  argument
8749 	struct perf_event *parent_event = child_event->parent;  in sync_child_event()
8752 	if (child_event->attr.inherit_stat)  in sync_child_event()
8753 		perf_event_read_event(child_event, child);  in sync_child_event()
8755 	child_val = perf_event_count(child_event);  in sync_child_event()
8761 	atomic64_add(child_event->total_time_enabled,  in sync_child_event()
8763 	atomic64_add(child_event->total_time_running,  in sync_child_event()
8771 	list_del_init(&child_event->child_list);  in sync_child_event()
8788 __perf_event_exit_task(struct perf_event *child_event,  in __perf_event_exit_task()  argument
8804 	perf_remove_from_context(child_event, !!child_event->parent);  in __perf_event_exit_task()
8811 	if (child_event->parent) {  in __perf_event_exit_task()
8812 		sync_child_event(child_event, child);  in __perf_event_exit_task()
8813 		free_event(child_event);  in __perf_event_exit_task()
8815 		child_event->state = PERF_EVENT_STATE_EXIT;  in __perf_event_exit_task()
8816 		perf_event_wakeup(child_event);  in __perf_event_exit_task()
8822 	struct perf_event *child_event, *next;  in perf_event_exit_task_context()  local
8878 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
8879 		__perf_event_exit_task(child_event, child_ctx, child);  in perf_event_exit_task_context()
9028 	struct perf_event *child_event;  in inherit_event()  local
9040 	child_event = perf_event_alloc(&parent_event->attr,  in inherit_event()
9045 	if (IS_ERR(child_event))  in inherit_event()
9046 		return child_event;  in inherit_event()
9050 		free_event(child_event);  in inherit_event()
9062 		child_event->state = PERF_EVENT_STATE_INACTIVE;  in inherit_event()
9064 		child_event->state = PERF_EVENT_STATE_OFF;  in inherit_event()
9068 		struct hw_perf_event *hwc = &child_event->hw;  in inherit_event()
9076 	child_event->ctx = child_ctx;  in inherit_event()
9077 	child_event->overflow_handler = parent_event->overflow_handler;  in inherit_event()
9078 	child_event->overflow_handler_context  in inherit_event()
9084 	perf_event__header_size(child_event);  in inherit_event()
9085 	perf_event__id_header_size(child_event);  in inherit_event()
9091 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
9099 	list_add_tail(&child_event->child_list, &parent_event->child_list);  in inherit_event()
9102 	return child_event;  in inherit_event()