PowerTOP tool released; time to fix the wasted laptop power on fedora?

Jesse Barnes jbarnes at virtuousgeek.org
Sun May 13 23:24:44 UTC 2007


On Sunday, May 13, 2007, Jesse Barnes wrote:
> > same here using a core 2 duo t7400 on fc6 x86_64
>
> You need to use a tickless kernel (CONFIG_NO_HZ iirc) and one with
> CONFIG_TIMER_STATS enable for the tool to work.  I think recent rawhide
> kernels fit the bill...

Oh, and for x86_64 tickless support isn't quite ready yet.  tglx posted a 
patch for it recently but I don't think it's upstream or in rawhide 
kernels yet, so you'll have to patch it in yourself...

Jesse




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