MONOTIME_RES
mt.monotime += ts->tv_nsec / (1000 * 1000 * 1000LL / MONOTIME_RES);
return mt.monotime / (MONOTIME_RES / (1000 * 1000ULL));
return mt.monotime / (MONOTIME_RES / 1000);
return mt.monotime / MONOTIME_RES;
mt.monotime *= MONOTIME_RES;