Re: CFS patch (v6) -- dynamic RT priorities?

From: Ingo Molnar
Date: Tue Sep 18 2007 - 02:26:38 EST



* Willy Tarreau <w@xxxxxx> wrote:

> On Mon, Sep 17, 2007 at 02:33:28PM -0600, Chris Rigg wrote:
> > Hello,
> >
> > I have a system with 2.6.20.7 patched with the v6 CFS patch. I am having
> > issues (I believe) with fairness in regards to my real-time tasks.
> > First, let me describe my setup:
>
> Chris,
>
> CFSv6 is *very* old. It was not that bad, but looking back, it has
> improved a lot since. You should upgrade to v20.x first, and it's
> likely that most of your problems will vanish.

yeah. I remember we fixed something in the RT task balancing area too,
so chances are that this bug got fixed. The latest backported CFS
version can be picked up from:

http://people.redhat.com/mingo/cfs-scheduler/

Ingo
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