Messages in this thread | | | Subject | 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 | Wed, 10 Nov 2010 13:01:02 +0100 |
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On Tue, 2010-11-09 at 21:37 -0500, tmhikaru@gmail.com wrote: > On Tue, Nov 09, 2010 at 08:02:28PM +0100, Peter Zijlstra wrote: > > 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. > > I seem to remember someone saying this would only work on x86-64; if this is > meant to work with a 32bit intel single core processor, please let me know - > I'd like to try it. It would also help if I knew which kernel version this > simpler patch is meant to apply to.
Venki's patch was, the one I linked should work on every arch.
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