[lkml]   [2004]   [Oct]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: High pitched noise from laptop: processor.c in linux 2.6
On Sat, 2004-10-16 at 17:46, Alan Cox wrote:
> On Sad, 2004-10-16 at 20:52, Lee Revell wrote:
> > > What benefits? HZ=1000 takes 1W more on my system.
> > Better timer resolution?
> And heavily reduced accuracy on a lot of laptops where 1000Hz
> is enough to make the clock slide every time the battery state is
> queried or an SMM event triggers.

Wouldn't such a laptop be horribly broken? 1ms is a LONG time to
disable interrupts. That's millions of CPU cycles...

> Getting the best of both worlds depends on the stuff discussed at OLS
> being finished, then you can have 1Khz accurancy and battery life

I was not there but I imagine this involves a way to get 1khz accuracy
with a 100Hz timer interrupt rate?


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 14:07    [W:0.086 / U:5.152 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site