Evandro Menezes wrote: > On May 16, 12:29 pm, "David L. Mills" <[EMAIL PROTECTED]> wrote: >> In modern machines a timer interupt takes about one microsecond and to >> scan through the one-second code is really quick. So, we are talking >> about an overhead in the order of .00001 percent. > > In terms of performance, yes, but in terms of power, no. If NTP gets > the CPU out of a deep stand-by state, then it may take hundreds of > milliseconds for the CPU to go back to that state. Moreover, NTP 1s- > timer may prevent the CPU from going to even deeper stand-by states. > > With this in mind, if NTP wakes the CPU up in order to do nothing, > it's not doing the right thing, IMHO.
It's not doing nothing. If the CPU is on standby nothing, including ntpd, should be running. Danny _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions
