linux-kernel - Re: Question about fair schedulers

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Message-Id: <200706231300.18840.info@gnebu.es>
Date:	Sat, 23 Jun 2007 13:00:18 +0200
From:	Alberto Gonzalez <info@...bu.es>
To:	Willy Tarreau <w@....eu>
Cc:	Paolo Ornati <ornati@...twebnet.it>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Question about fair schedulers

On Saturday 23 June 2007, Willy Tarreau wrote:
> On Sat, Jun 23, 2007 at 12:45:30PM +0200, Alberto Gonzalez wrote:
> > Ok, so if I understand correctly, the problem I had in my simple test
> > will be solved by distributions once a fair scheduler goes into mainline?
>
> No, there is no reason to wait for a fair scheduler at all. A *desktop*
> distro *must* take process priorities into account, otherwise it's broken
> by design.

Well, right now with the mainline scheduler it works fine. The player gets 
more CPU time than the encoder. It was when I switched to -ck kernel (with a 
fair scheduler) that it didn't work correctly, that's why I asked about 
this "fair" concept in the first place.

I guess once a fair scheduler goes mainline they will adapt things to work 
correctly again.

> Regards,
> Willy

Cheers,
Alberto.


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