Re: High CPU load when machine is idle (related to PROBLEM:Unusually high load average when idle in 2.6.35, 2.6.35.1 and later)

From: Peter Zijlstra
Date: Tue Nov 09 2010 - 14:02:31 EST


On Tue, 2010-11-09 at 13:55 -0500, Kyle McMartin wrote:
> On Fri, Oct 29, 2010 at 09:42:23PM +0200, Peter Zijlstra wrote:
> >
> > not tested other than compile, but how does that look...?
> >
>
> Hi Peter,
>
> I finally got around to building a test kernel for a user who had been
> reporting this against F-14 (2.6.35) but they report there's not much
> improvement.
>
> Sorry. :/

Right, I tested it myself yesterday and got similar results. Does the
'simple' patch from a few posts back work for people?

http://lkml.org/lkml/2010/10/26/150

If that does work I fudged the fancy math, if that doesn't work either
we're back to square zero.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/