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    DateMon, 9 Jul 2007 17:46:50 -0400
    FromDave Jones <>
    SubjectRe: Liunx power consumption on laptops -- Enormous progress in the last few months
    On Mon, Jul 09, 2007 at 05:42:14PM -0400, Valdis.Kletnieks@vt.edu wrote:
     > On Fri, 06 Jul 2007 13:02:10 EDT, Dave Jones said:
     > > On Fri, Jul 06, 2007 at 09:35:24AM -0700, Arjan van de Ven wrote:
     > > 
     > >  > > Where is the ondemand-fix.patch? I can't find any link to it.
     > >  > 
     > >  > just click on it in the graph ;_
     > >  > 
     > >  > it's also http://www.linuxpowertop.org/patches/ondemand-fix.patch 
     > >  > (which is submitted already to the maintainers)
     > > 
     > > Should be in cpufreq.git (and thus, -mm) too, waiting for .23 to open up.
     > 
     > Somebody should fix http://ww.linuxpowertop.org/known.php then, it says:
     > 
     > "The kernels ondemand CPU frequency management function currently has a
     > high-frequency timer that samples to see if the CPU is idle. Intel fixed this
     > and the patches to the kernel to effectively remove this timer are included in
     > Linus' tree as of 2.6.22-rc1."
     > 
     > which confused me no end when I was looking at this stuff and wondering why
     > it was in the -mm tree if Linus already picked it up. :)
    
    There were two sets of fixes to ondemand.  The first round did in fact
    go into .22rc1  The others I deemed too late in the cycle to go into .22
    (Though they have been flawless, so if there was enough demand (ha!) we could
     even push them to -stable once they're in mainline).
    
    	Dave
    
    -- 
    http://www.codemonkey.org.uk
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