[lkml]   [2005]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] dynamic tick patch
On Wed, 2005-01-19 at 09:11 -0800, Tony Lindgren wrote:
> * Pavel Machek <> [050119 03:32]:
> > Hi!
> >
> > > As this patch is related to the VST/High-Res timers, there
> > > are probably various things that can be merged. I have not
> > > yet looked at what all could be merged.
> > >
> > > I'd appreciate some comments and testing!
> >
> > Good news is that it does seem to reduce number of interrupts. Bad
> > news is that time now runs faster (like "sleep 10" finishes in ~5
> > seconds) and that I could not measure any difference in power
> > consumption.
> Thanks for trying it out. I have quite accurate time here on my
> systems, and sleep works as it should. I wonder what's happening on
> your system? If you have a chance, could you please post the results
> from following simple tests?

tsc is dangerous for this btw; several cpus go either slower or stop tsc
entirely during hlt... eg when idle.
I would suggest to not include a tsc driver for this (otherwise really
cool) feature.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 14:09    [W:0.121 / U:6.712 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site