Re: [PATCH] O10int for interactivity

From: Andrew Morton (akpm@osdl.org)
Date: Mon Jul 28 2003 - 13:40:41 EST


Valdis.Kletnieks@vt.edu wrote:
>
> I am, however, able to get 'xmms' to skip. The reason is that the CPU is being
> scheduled quite adequately, but I/O is *NOT*.
>
> ...
> I'm guessing that the anticipatory scheduler is the culprit here. Soon as I figure
> out the incantations to use the deadline scheduler, I'll report back....

Try decreasing the expiry times in /sys/block/hda/queue/iosched:

read_batch_expire
read_expire
write_batch_expire
write_expire

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