On 2010-08-23, [email protected] <[email protected]> wrote: > Hey all, > > I am running ntpd under Linux which defaults to using TSC for it's > clocksource. I also have acpi_pm and hpet available to me and am wondering > what the current best practice for ntpd is. The issue with TSC seems to be > that the drift value differs every time I reboot so it goes pretty weird > when ntpd first starts but then settles after a few hours. I get a stable > drift with acpi_pm and hpet but from reading the kernel list, I understand > using TSC is the most efficient way to go as there might be many > gettimeofday() calls per second and you want those to be fast.
YOu do not say which kernel you are using. I believe that the problem with tsc has been fixed in later kernel versions. Try using chrony. Far faster at convergence, far smaller error after convergence. > > So just curious what others are doing here. > > Best, > Shane _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
