さて、本題 https://chrony.tuxfamily.org/doc/3.5/chrony.conf.html#makestep makestep threshold limit This directive forces chronyd to step the system clock if the adjustment is larger than a threshold value, but only if there were no more clock updates since chronyd was started than a specified limit (a negative value can be used to disable the limit). 負の値にすればリミットを無効にできる。