netdev - Re: [PATCH] sched: QFQ - quick fair queue scheduler (v2)

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Message-ID: <1299064667.2920.4.camel@edumazet-laptop>
Date:	Wed, 02 Mar 2011 12:17:47 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Fabio Checconi <fchecconi@...il.com>
Cc:	Stephen Hemminger <shemminger@...tta.com>,
	David Miller <davem@...emloft.net>,
	Luigi Rizzo <rizzo@....unipi.it>, netdev@...r.kernel.org
Subject: Re: [PATCH] sched: QFQ - quick fair queue scheduler (v2)

Le mercredi 02 mars 2011 à 03:06 +0100, Fabio Checconi a écrit :
> Hi,
> 
> > From: Stephen Hemminger <shemminger@...tta.com>
> > Date: Mon, Feb 28, 2011 05:17:38PM -0800
> >
> > This is an implementation of the Quick Fair Queue scheduler developed
> > by Fabio Checconi. The same algorithm is already implemented in ipfw
> > in FreeBSD. Fabio had an earlier version developed on Linux, I just
> > cleaned it up and tested it. All bugs are mine.
> > 
> 
>   thanks for posting, I'm pretty sure that bugs are more likely to be
> ours than yours :)
> 
> During the development of the algorithm we used a simple traffic
> simulator to verify (informally) the timestamping and the guarantees
> provided.  I've tested this version of the code with the simulator and
> so far it worked fine, so I think that timestamping and guarantees should
> be OK.
> 
> Please let us know if we can be of any help,
> fabio

Hmm, I tried to setup QFQ (using iproute2patch
http://patchwork.ozlabs.org/patch/77902/ ) but failed

Do you have a link to a script/sample ?

Thanks


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