CLOCK_UPTIME_FAST
case CLOCK_UPTIME_FAST:
*n = CLOCK_UPTIME_FAST;
case CLOCK_UPTIME_FAST:
case CLOCK_UPTIME_FAST:
case CLOCK_UPTIME_FAST:
case CLOCK_UPTIME_FAST:
case CLOCK_UPTIME_FAST:
error = clock_gettime(CLOCK_UPTIME_FAST, tp);