700 struct task {  struct
706 static struct task *tasks_list(struct task *task, struct machine *machine)  in tasks_list()  argument
708 	struct thread *parent_thread, *thread = task->thread;  in tasks_list()
709 	struct task   *parent_task;  in tasks_list()
712 	if (!list_empty(&task->list))  in tasks_list()
717 		return task;  in tasks_list()
724 	list_add_tail(&task->list, &parent_task->children);  in tasks_list()
754 static void task__print_level(struct task *task, FILE *fp, int level)  in task__print_level()  argument
756 	struct thread *thread = task->thread;  in task__print_level()
757 	struct task *child;  in task__print_level()
766 	if (!list_empty(&task->children)) {  in task__print_level()
767 		list_for_each_entry(child, &task->children, list)  in task__print_level()
776 	struct task *tasks, *task;  in tasks_print()  local
799 			task = tasks + itask++;  in tasks_print()
801 			task->thread = rb_entry(nd, struct thread, rb_node);  in tasks_print()
802 			INIT_LIST_HEAD(&task->children);  in tasks_print()
803 			INIT_LIST_HEAD(&task->list);  in tasks_print()
804 			thread__set_priv(task->thread, task);  in tasks_print()
814 		task = tasks + itask;  in tasks_print()
816 		if (!list_empty(&task->list))  in tasks_print()
819 		task = tasks_list(task, machine);  in tasks_print()
820 		if (IS_ERR(task)) {  in tasks_print()
823 			return PTR_ERR(task);  in tasks_print()
826 		if (task)  in tasks_print()
827 			list_add_tail(&task->list, &list);  in tasks_print()
832 	list_for_each_entry(task, &list, list)  in tasks_print()
833 		task__print_level(task, fp, 0);  in tasks_print()