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

Jesper Juhl
2005-07-15T01:40:20Z

On 7/15/05, Linus Torvalds <torvalds@osdl.org> wrote:
>
>
> On Thu, 14 Jul 2005, Lee Revell wrote:
> >
> > I don't think this will fly because we take a big performance hit by
> > calculating HZ at runtime.
>
> I think it might be an acceptable solution for a distribution that really
> needed it, since it should be fairly simple. However, it's definitely not
> the right solution.
>
> HOWEVER. I bet that somebody who really really cares (hint hint) could
> easily make HZ be 1000, and then dynamically tweak the divisor at bootup
> to be either 1000, 250, or 100, and then increment "jiffies" by 1, 4 or
> 10.
>
[...]
>
> Really. I dare you guys. First one to send me a tested patch gets a gold
> star.
>

Testing a patch right now, I'll send it to you as soon as it doesn't
blow up on boot (which it currently does).

--
Jesper Juhl <jesper.juhl@gmail.com>
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