Re: [PATCH] Dynamic tick for x86 version 050610-1

[Tony Lindgren <tony@atomide.com>]

On Sat, Jun 18, 2005 at 04:30:32PM +1000, Benjamin Herrenschmidt wrote:
> 
> > I'm try to port it powerpc, Here is a patch.
> > 
> >  Port Dynamic Tick Timer to new platform is easy. :)
> >   1) Find the reprogram timer interface.
> >   2) do a hook in the idle function.
> > 
> > That worked on my PowerBookG4 12'.

Cool :)

> Did you get a measurable gain on power consumption ?
> 
> Last time I toyed with this, I didn't.

Just dyntick alone probably does not do much for power savings. The
trick is to figure out what all can be turned off for the longer idle
periods. And try to make the idle periods longer by cutting down on
polling.

Tony
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/