Re: [PATCH] O10int for interactivity

From: Con Kolivas (kernel@kolivas.org)
Date: Tue Jul 29 2003 - 09:35:01 EST


On Wed, 30 Jul 2003 00:21, Timothy Miller wrote:
> Valdis.Kletnieks@vt.edu wrote:
> > 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....
>
> It would be unfortunate if AS and the interactivity scheduler were to
> conflict. Is there a way we can have them talk to each other and have
> AS boost some I/O requests for tasks which are marked as interactive?
>
> It would sacrifice some throughput for the sake of interactivity, which
> is what the interactivity patches do anyhow. This is a reasonable
> compromise.

That's not as silly as it sounds. In fact it should be dead easy to
increase/decrease the amount of anticipatory time based on the bonus from
looking at the code. I dunno how the higher filesystem gods feel about this
though.

Con

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