Re: [ANNOUNCE] RSDL completely fair starvation free interactive cpuscheduler

From: Gene Heskett
Date: Mon Mar 05 2007 - 22:37:10 EST


On Monday 05 March 2007, Linus Torvalds wrote:
>On Mon, 5 Mar 2007, Ed Tomlinson wrote:
>> The patch _does_ make a difference. For instance reading mail with
>> freenet working hard (threaded java application) and gentoo's emerge
>> triggering compiles to update the box is much smoother.
>>
>> Think this scheduler needs serious looking at.
>
>I agree, partly because it's obviously been getting rave reviews so far,
>but mainly because it looks like you can think about behaviour a lot
>better, something that was always very hard with the interactivity
>boosters with process state history.
>
>I'm not at all opposed to this, but we do need:
> - to not do it at this stage in the stable kernel
> - to let it sit in -mm for at least a short while
> - and generally more people testing more loads.
>
>I don't actually worry too much about switching out a CPU scheduler:
> those things are places where you *can* largely read the source code
> and get an idea for them (although with the kind of history state that
> we currently have, it's really really hard). But at the very least they
> aren't likely to have subtle bugs that show up elsewhere, so...
>
>So as long as the generic concerns above are under control, I'll happily
>try something like this if it can be merged early in a merge window..
>
> Linus

Thanks Linus, now I feel we're getting somewhere.

Cheers, Gene
--
Many hands make light work.
-- John Heywood
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