lkml.org 
[lkml]   [2001]   [Oct]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.4.10-ac10-preempt lmbench output.
    On Wed, Oct 10, 2001 at 06:42:37AM +0200, Dieter Nützel wrote:
    > Am Mittwoch, 10. Oktober 2001 06:23 schrieb Andrea Arcangeli:
    > > On Wed, Oct 10, 2001 at 05:57:46AM +0200, Dieter Nützel wrote:
    >
    > [...]
    > > > I get the dropouts (2~3 sec) after dbench 32 is running for 9~10 seconds.
    >
    > It is mostly only _ONE_ dropout like above.

    One isn't really too bad actually, if there's an huge I/O going on at
    least.

    > The above plus nice -20 mpg123 *.mp3
    > I've forgotten to clearify this, sorry.
    >
    > Should I try 2.4.11 + 00_vm-1 or 2.4.11aa1, again?

    2.4.11aa1 with also read/write reschedule points would be more
    interesting I think.

    > > You're probably more interested in the possible heuristic that I've in
    > > mind to avoid xmms to wait I/O completion for the work submitted by
    > > dbench. Of course assuming the vm write throttling was a relevant cause
    > > of the dropouts, and that the dropouts weren't just due an I/O
    > > congestion (too low disk bendwith).
    >
    > > BTW, to find out if the reason of the dropouts where the vm write
    > > throttling or the too low disk bandwith you can run ps l <pid_of_xmms>,
    >
    > What do you mean here? I can't find a meaningfully ps option.

    I meant the output of `ps l` (WCHAN column xmms row).

    Andrea
    -
    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 13:05    [W:3.173 / U:0.164 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site