Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

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On Sat, 2005-07-09 at 12:12 -0700, Andrew Morton wrote:
> Lee Revell <[email protected]> wrote:
> >
> >  > This is not a userspace visible thing really with few exceptions, and
> >  > well people can select the one they want, right?
> > 
> >  Then why not leave the default at 1000?
> 
> Because some machines exhibit appreciable latency in entering low power
> state via ACPI, and 1000Hz reduces their battery life.  By about half,
> iirc.
> 

Then the owners of such machines can use HZ=250 and leave the default
alone.  Why should everyone have to bear the cost?

Lee

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