Re: [PATCH] sched: Fix adverse effects of NFS client on interactiveresponse

From: Peter Williams
Date: Thu Jan 05 2006 - 19:01:49 EST


Con Kolivas wrote:
On Fri, 6 Jan 2006 10:13 am, Peter Williams wrote:

If the plugsched patches were included in -mm we could get wider testing
of alternative scheduling mechanisms. But I think it will take a lot of
testing of the new schedulers to allay fears that they may introduce new
problems of their own.


When I first generated plugsched and posted it to lkml for inclusion in -mm it was blocked as having no chance of being included by both Ingo and Linus and I doubt they've changed their position since then. As you're well aware this is why I gave up working on it and let you maintain it since then. Obviously I thought it was a useful feature or I wouldn't have worked on it.

I've put a lot of effort into reducing code duplication and reducing the size of the interface and making it completely orthogonal to load balancing so I'm hopeful (perhaps mistakenly) that this makes it more acceptable (at least in -mm).

My testing shows that there's no observable difference in performance between a stock kernel and plugsched with ingosched selected at the total system level (although micro benchmarking may show slight increases in individual operations).

Anyway, I'll just keep plugging away,
Peter
--
Peter Williams pwil3058@xxxxxxxxxxxxxx

"Learning, n. The kind of ignorance distinguishing the studious."
-- Ambrose Bierce
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