12219 static void sync_child_event(struct perf_event *child_event,  in sync_child_event()  argument
12222 	struct perf_event *parent_event = child_event->parent;  in sync_child_event()
12225 	if (child_event->attr.inherit_stat)  in sync_child_event()
12226 		perf_event_read_event(child_event, child);  in sync_child_event()
12228 	child_val = perf_event_count(child_event);  in sync_child_event()
12234 	atomic64_add(child_event->total_time_enabled,  in sync_child_event()
12236 	atomic64_add(child_event->total_time_running,  in sync_child_event()
12241 perf_event_exit_event(struct perf_event *child_event,  in perf_event_exit_event()  argument
12245 	struct perf_event *parent_event = child_event->parent;  in perf_event_exit_event()
12263 		perf_group_detach(child_event);  in perf_event_exit_event()
12264 	list_del_event(child_event, child_ctx);  in perf_event_exit_event()
12265 	perf_event_set_state(child_event, PERF_EVENT_STATE_EXIT); /* is_event_hup() */  in perf_event_exit_event()
12272 		perf_event_wakeup(child_event);  in perf_event_exit_event()
12279 	sync_child_event(child_event, child);  in perf_event_exit_event()
12286 	list_del_init(&child_event->child_list);  in perf_event_exit_event()
12293 	free_event(child_event);  in perf_event_exit_event()
12300 	struct perf_event *child_event, *next;  in perf_event_exit_task_context()  local
12350 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
12351 		perf_event_exit_event(child_event, child_ctx, child);  in perf_event_exit_task_context()
12526 	struct perf_event *child_event;  in inherit_event()  local
12538 	child_event = perf_event_alloc(&parent_event->attr,  in inherit_event()
12543 	if (IS_ERR(child_event))  in inherit_event()
12544 		return child_event;  in inherit_event()
12547 	if ((child_event->attach_state & PERF_ATTACH_TASK_DATA) &&  in inherit_event()
12549 		struct pmu *pmu = child_event->pmu;  in inherit_event()
12553 			free_event(child_event);  in inherit_event()
12569 		free_event(child_event);  in inherit_event()
12581 		child_event->state = PERF_EVENT_STATE_INACTIVE;  in inherit_event()
12583 		child_event->state = PERF_EVENT_STATE_OFF;  in inherit_event()
12587 		struct hw_perf_event *hwc = &child_event->hw;  in inherit_event()
12595 	child_event->ctx = child_ctx;  in inherit_event()
12596 	child_event->overflow_handler = parent_event->overflow_handler;  in inherit_event()
12597 	child_event->overflow_handler_context  in inherit_event()
12603 	perf_event__header_size(child_event);  in inherit_event()
12604 	perf_event__id_header_size(child_event);  in inherit_event()
12610 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
12616 	list_add_tail(&child_event->child_list, &parent_event->child_list);  in inherit_event()
12619 	return child_event;  in inherit_event()