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

dragoran dragoran drago01 at gmail.com
Sun May 13 18:26:00 UTC 2007

On 5/13/07, Dominik 'Rathann' Mierzejewski <dominik at greysector.net> wrote:
> On Sunday, 13 May 2007 at 00:12, Arjan van de Ven wrote:
> > Hi,
> >
> > some of you already know that I've been working on getting Linux (and
> > Fedora) to be a lot better about power usage on laptops by avoiding
> > spurious wakeups and context switches and such (look at the "wakeup" bug
> > in fedora bugzilla ;).
> >
> > As part of my job at Intel I've now released a user friendly tool that
> > allows everyone that uses it to see what the biggest problems on their
> > own laptop are... The results internally to Intel have been really good;
> > several people gained an hour of battery just by using the tool and
> > getting rid of (or fixing) 'broken' applications.
> >
> > PowerTOP can be downloaded from http://www.linuxpowertop.org
> >
> >
> > for completeness I've attached the full announcement text I used in
> > other places below. I hope that enough people will use it and report /
> > fix issues in software so that the whole Linux experience on laptops
> > will be a lot better in a few months..
> Hey, this is pretty cool.
> Here's what it says on my amd64 desktop:
> No detailed statistics available; please enable the CONFIG_TIMER_STATS
> kernel option
> Suggestion: Enable the CONFIG_USB_SUSPEND kernel configuration option.
> This option will automatically disable UHCI USB when not in use, and may
> save approximately 1 Watt of power.

same here using a core 2 duo t7400 on fc6 x86_64
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