Messages in this thread |  | | Subject | Re: [announce] Intel announces the PowerTOP utility for Linux | From | Arjan van de Ven <> | Date | Sat, 12 May 2007 10:44:11 -0700 |
| |
On Sat, 2007-05-12 at 13:00 +0200, Jan Engelhardt wrote: > On May 11 2007 16:07, Arjan van de Ven wrote: > > > > A typical Linux distribution has many components that wake the processor up > > frequently for no good reason. In our testing with PowerTOP, we have seen many > > cases where with some simple fixes, the battery life of typical laptops was > > increased by one hour or more! > > > > We are providing fixes for several of the issues we identified, and we > > encourage the Linux community to help us in this quest to get the maximum > > battery life out of your (hopefully Intel based) laptops. Try the PowerTOP > > tool, join the mailing list or the IRC channel and provide feedback, problem > > reports or fixes! > > Yeah, hal happily wakes up every two seconds. So much for > the effectivity of NO_HZ.
The AN patches that Kristen posted a few days ago will fix this part of hal for real... assuming you have hardware with AN support that is.
they are in -mm now... should go mainline in like 2.6.23
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |