Re: Liunx power consumption on laptops -- Enormous progress in thelast few months

[Arjan van de Ven]

Chuck Ebbert wrote:
> On 07/05/2007 03:58 PM, Arjan van de Ven wrote:
> > While it's hard to show "one size fits all" number/percentage, we took a
> > bog standard Lenovo T61 laptop (no vendor preference, they just were the
> > first one to deliver a model with the latest Intel chipset to our cubes)
> > and measured the effect. The baseline we used was a 32 bit Fedora 7
> > installation; note that this already has the tickless kernel, but is
> > lacking several of the key bugfixes that came afterwards.
> >
> > We've put our measurements in a graph at
> >
> > http://ww.linuxpowertop.org/results.php
> >
> > With kernel fixes and features, the power consumption of this laptop
> > went from 21.06 Watts to 18.25 Watts; with 2 additional userspace fixes
> > the power consumption ended up at 15.5 Watts.
>
> 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)
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