Messages in this thread | | | Date | Fri, 5 Jun 2009 15:58:23 +0200 | Subject | Re: [PATCH] eeepc-laptop: enable camera by default | From | Corentin Chary <> |
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On Fri, Jun 5, 2009 at 3:51 PM, Pekka Enberg<penberg@cs.helsinki.fi> wrote: > Hi Corentin, > > On Fri, 2009-06-05 at 15:02 +0200, Corentin Chary wrote: >> > That said, I am more than happy to measure this but I need a little bit >> > more information to get started as I have never used powertop. So what >> > is it exactly you want me to do? >> >> PowerTop (with a corretly configured kernel) will give you a power >> usage estimate. >> >> CONFIG_NO_HZ=y >> CONFIG_TIMER_STATS=y >> CONFIG_DEBUG_KERNEL=y >> >> For propers results, shutdown all services and just keep a shell >> (without X or network). >> You can also test that with and without the camera driver. > > I did not see a power usage estimate. I am running PowerTOP 1.11 that > comes with Ubuntu 9.04. So I am not sure if what I did is what you > wanted me to do but I ran "powertop -t 60 -d" with camera enabled and > disabled and here are the results.
Thanks for the results, next week I'll do some test on a minimal setup.
-- Corentin Chary http://xf.iksaif.net - http://uffs.org
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