Re: [PATCH] dynamic tick patch

From: Tony Lindgren
Date: Fri Jan 21 2005 - 12:53:19 EST


* Zwane Mwaikambo <zwane@xxxxxxxxxxxxxxxx> [050119 20:02]:
> On Tue, 18 Jan 2005, Tony Lindgren wrote:
>
> > Hi all,
> >
> > Attached is the dynamic tick patch for x86 to play with
> > as I promised in few threads earlier on this list.[1][2]
> >
> > The dynamic tick patch does following:
> >
> > - Separates timer interrupts from updating system time
> >
> > - Allows updating time from other interrupts in addition
> > to timer interrupt
> >
> > - Makes timer tick dynamic
> >
> > - Allows power management modules to take advantage of the
> > idle time inbetween skipped ticks
> >
> > - Might help with the whistling caps?
>
> This doesn't seem to cover the local APIC timer, what do you do about the
> 1kHz tick which it's programmed to do?

Sorry for the delay in replaying. Thanks for pointing that out, I
don't know yet what to do with the local APIC timer. Have to look at
more.

Tony
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