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

Pavel Machek
2005-07-16T13:54:33Z

Hi!

> > The real answer here is for the tickless patches to cleaned up to
> > the point where they can be merged, and then we won't waste battery
> > power entering the timer interrupt in the first place. :-)
>
> Whilst conceptually this is a nice idea I've yet to see any viable
> code that overall has a lower cost. Tickless is a really nice idea
> for embedded devices and also paravirtualized hardware but I don't
> think anyone has it working well enough yet do they?

Actually for power managment uses, "NO_IDLE_HZ" seems to be enough,
and that is both implemented and working.
Pavel
--
teflon -- maybe it is a trademark, but it should not be.