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    SubjectRe: [PATCH] O3int interactivity for 2.5.74-mm2
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    On Mon, 2003-07-07 at 05:19, Con Kolivas wrote:
    > On Mon, 7 Jul 2003 04:36, Felipe Alfaro Solana wrote:
    > > I'm seeing extreme X starvation with this patch under 2.5.74-mm2 when
    > > starting a CPU hogger:
    > >
    > > 1. Start a KDE session.
    > > 2. Launch a Konsole
    > > 3. Launch Konqueror
    > > 4. Launch XMMS
    > > 5. Make XMMS play an MP3 file
    > > 6. On the Konsole terminal, run "while true; do a=2; done"
    > >
    > > When the "while..." is run, X starves completely for ~5 seconds (e.g.
    > > the mouse cursor doesn't respond to my input events). After those 5
    > > seconds, the mouse cursor goes jerky for a while (~2 seconds) and then
    > > the system gets responsive.
    >
    > Aha!
    >
    > Thanks to Felipe who picked this up I was able to find the one bug causing me
    > grief. The idle detection code was allowing the sleep_avg to get to
    > ridiculously high levels. This is corrected in the following replacement
    > O3int patch. Note this fixes the mozilla issue too. Kick arse!!

    Yeah! I can't reproduce the bug anymore :-) Good work!

    Is there any tunable to make the scheduler adjust the interactivity/CPU
    usage a little bit faster? Just after launching XMMS and make it play,
    moving the Konqueror window like crazy makes XMMS skip for a few
    seconds.

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