subtime           763 include/linux/ftrace.h 	unsigned long long subtime;
subtime           808 kernel/trace/ftrace.c 		ret_stack->subtime = 0;
subtime           837 kernel/trace/ftrace.c 			ret_stack->subtime += calltime;
subtime           840 kernel/trace/ftrace.c 		if (ret_stack && ret_stack->subtime < calltime)
subtime           841 kernel/trace/ftrace.c 			calltime -= ret_stack->subtime;