rttime            848 kernel/time/posix-cpu-timers.c 		unsigned long rttime = tsk->rt.timeout * (USEC_PER_SEC / HZ);
rttime            853 kernel/time/posix-cpu-timers.c 		    check_rlimit(rttime, hard, SIGKILL, true, true))
rttime            857 kernel/time/posix-cpu-timers.c 		if (check_rlimit(rttime, soft, SIGXCPU, true, false)) {