Subject: Re: Clock drift on Miatas
To: None <thorpej@zembu.com>
From: Chris G. Demetriou <cgd@netbsd.org>
List: port-alpha
Date: 05/28/2000 12:23:07
Jason R Thorpe <thorpej@zembu.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.)



cgd
-- 
Chris Demetriou - cgd@netbsd.org - http://www.netbsd.org/People/Pages/cgd.html
Disclaimer: Not speaking for NetBSD, just expressing my own opinion.