Subject: Re: Clock drift on Miatas
To: None <email@example.com>
From: Chris G. Demetriou <firstname.lastname@example.org>
Date: 05/28/2000 12:23:07
Jason R Thorpe <email@example.com> writes:
> > It's really 600 rather than 588. I haven't found the appropriate
> > NetBSD timekeeping code yet but Linux believed the SRM and the result
> > was too far off for the PLL to lock up. So it would jump by a couple
> > of seconds every 15 minutes or so.
> NetBSD doesn't use this, I'm pretty sure. It just knows that the clock
> interrupts 1024 times a second and goes from there.
it does, in delay(), but that shouldn't cause significant problems.
(we don't in microtime(), though perhaps we should in at least
single-CPU systems. We should on MP systems, too, if somebody can
figure out the right way to make sure that the CC's on the different
processors are consistent.)
Chris Demetriou - firstname.lastname@example.org - http://www.netbsd.org/People/Pages/cgd.html
Disclaimer: Not speaking for NetBSD, just expressing my own opinion.