lkml.org 
[lkml]   [2004]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.6.8-rc1-mm1
    Andrew Morton wrote:
    > +preset-loops_per_jiffy-for-faster-booting.patch
    >
    > Add the "lpj=" kernel boot option

    I tested this...
    With HZ=1000:
    - normal boot: calibrate_delay() took 23 milliseconds
    - specifying lpj=xxx: calibrate_delay() took 43 microseconds.
    With HZ=100:
    - normal boot: calibrate_delay() took 264 milliseconds
    - specifying lpj=xxx: calibrate_delay() took 43 microseconds.

    No adverse behaviour was observed.

    This will be a big improvement for embedded folks.
    Thanks,
    -- Tim

    =============================
    Tim Bird
    Architecture Group Co-Chair, CE Linux Forum
    Senior Staff Engineer, Sony Electronics
    E-mail: tim.bird@am.sony.com
    =============================
    -
    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/

    \
     
     \ /
      Last update: 2005-03-22 14:04    [W:0.020 / U:31.360 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site