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SubjectRe: [PATCH] O10int for interactivity


Valdis.Kletnieks@vt.edu wrote:

>
> Well.,.. it turns out I was half right, sort of. My remaining glitches *were*
> I/O related rather than the CPU scheduler. However, they weren't directly
> related to the /sys/block/hda/queue/iosched/* values.
>
> Turns out that at least on this laptop, 256M is just a bit tight on memory under
> some conditions (well... OK... having X and xmms running, and then doing a
> 'tar xjvf linux-2.6.0-test1.tar.bz2' and launching OpenOffice 1.1rc1 all at once
> is probably a stress test and a half ;).
>
> Watching /proc/vmstat, it became obvious that audio skips were happening *only*
> when 'pswpout' was going up - which means somebody's waiting on a page *IN*
> that won't happen till another page goes *out* to swap first.....
>
> Time for more pondering.. ;)

Heh... can we prioritize swapping based on interactivity information? :)

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