lkml.org 
[lkml]   [2001]   [Apr]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: uninteruptable sleep (D state => load_avrg++)
    On mer, 04 avr 2001 17:05:05 Paul Jakma wrote:
    > imagine a box with a bunch of processes that do almost nothing but
    > call on the kernel to do IO. If you only count the runnable state
    > towards load_avg then your load_avg will be very low, even though your
    > box is swamped - you are ignoring the work of the kernel.
    >
    > if you count D towards load_avg then it will reflect this abstract
    > 'load' concept more accurately.
    >
    > Ie, counting D towards load_avg is a way of taking kernel IO work into
    > account when calculating the load average figures.

    ok I'm convinced.
    And a measure can't be perfect.

    Thank you,
    Christophe

    --
    Christophe Barbé
    Software Engineer
    Lineo High Availability Group
    42-46, rue Médéric
    92110 Clichy - France
    phone (33).1.41.40.02.12
    fax (33).1.41.40.02.01
    www.lineo.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 13:23    [W:0.024 / U:2.260 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site