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    SubjectRe: [PATCH] eeepc-laptop: enable camera by default
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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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