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From: Stephen Hemminger <shemminger@vyatta.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Fabio Checconi <fchecconi@gmail.com>,
	David Miller <davem@davemloft.net>,
	Luigi Rizzo <rizzo@iet.unipi.it>,
	netdev@vger.kernel.org
Subject: Re: [PATCH] sched: QFQ - quick fair queue scheduler (v2)
Date: Wed, 2 Mar 2011 08:11:08 -0800	[thread overview]
Message-ID: <20110302081108.689571d8@nehalam> (raw)
In-Reply-To: <1299064667.2920.4.camel@edumazet-laptop>

On Wed, 02 Mar 2011 12:17:47 +0100
Eric Dumazet <eric.dumazet@gmail.com> wrote:

> Le mercredi 02 mars 2011 à 03:06 +0100, Fabio Checconi a écrit :
> > Hi,
> > 
> > > From: Stephen Hemminger <shemminger@vyatta.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

I put the iproute2 code into the repository in the experimental branch.

-- 

  reply	other threads:[~2011-03-02 16:11 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-01  1:17 [PATCH] sched: QFQ - quick fair queue scheduler (v2) Stephen Hemminger
2011-03-01  5:28 ` Eric Dumazet
2011-03-02  2:06 ` Fabio Checconi
2011-03-02 11:17   ` Eric Dumazet
2011-03-02 16:11     ` Stephen Hemminger [this message]
2011-03-02 16:18       ` Eric Dumazet
2011-03-02 17:31         ` Eric Dumazet
2011-03-02 18:16           ` Patrick McHardy
2011-03-03  9:35             ` Eric Dumazet
2011-03-02 23:55           ` Stephen Hemminger
2011-03-03  8:19           ` Fabio Checconi
2011-03-03  8:27             ` Eric Dumazet
2011-03-03 10:40               ` Eric Dumazet
2011-03-03 15:07                 ` Fabio Checconi
2011-03-03 15:25                   ` Eric Dumazet
2011-03-03 15:31                     ` Eric Dumazet
2011-03-03 15:39                       ` Eric Dumazet
2011-03-03 15:18                 ` Eric Dumazet
     [not found]                   ` <20110303161912.GC29685@gandalf.sssup.it>
     [not found]                     ` <1299170053.2983.134.camel@edumazet-laptop>
     [not found]                       ` <20110303181339.GD29685@gandalf.sssup.it>
     [not found]                         ` <1299180567.2547.4.camel@edumazet-laptop>
     [not found]                           ` <1299192974.2547.13.camel@edumazet-laptop>
     [not found]                             ` <20110304064302.GE29685@gandalf.sssup.it>
     [not found]                               ` <1299222074.2547.50.camel@edumazet-laptop>
     [not found]                                 ` <AANLkTinAGjZ5SAOA1iUAFu5rtYydeb6Soy_Xg5kMvn-z@mail.gmail.com>
     [not found]                                   ` <1299274468.2758.4.camel@edumazet-laptop>
     [not found]                                     ` <AANLkTikeQCfShKfZWq2Y7V_MA4iRjQvWWtkC68rK9nUm@mail.gmail.com>
     [not found]                                       ` <1299277003.2758.52.camel@edumazet-laptop>
     [not found]                                         ` <AANLkTinR7QDC2uGjQurJQ1JfBA7q1pxyewePggh87z8E@mail.gmail.com>
     [not found]                                           ` <1299278778.2758.53.camel@edumazet-laptop>
     [not found]                                             ` <AANLkTikBoQd+ZA1kY0F0MvUsJ8Y=9KwGkfmZNdi4hLXz@mail.gmail.com>
     [not found]                                               ` <20110304150741.5d4aa354@nehalam>
     [not found]                                                 ` <AANLkTi=HBDayfd0bEA+AQqzjTKMajghet=UJAw9vL56A@mail.gmail.com>
     [not found]                                                   ` <20110309110242.3307ca69@nehalam>
     [not found]                                                     ` <1300016057.2761.16.camel@edumazet-laptop>
     [not found]                                                       ` <1300034690.2761.29.camel@edumazet-laptop>
2011-03-23  6:45                                                         ` [BUG] net_sched: failed bisection Eric Dumazet
2011-03-24  6:53                                                           ` [PATCH] net_sched: fix THROTTLED/RUNNING race Eric Dumazet
2011-03-24  7:13                                                             ` David Miller
2011-03-03  9:07             ` [PATCH] sched: QFQ - quick fair queue scheduler (v2) Eric Dumazet
2011-03-02 11:50 ` Patrick McHardy
2011-03-02 15:41 ` Eric Dumazet
2011-03-02 15:53 ` Eric Dumazet
2011-03-03 16:03 ` Eric Dumazet
2011-03-03 16:48   ` [PATCH] sched: QFQ - quick fair queue scheduler (v3) Stephen Hemminger
2011-03-03 22:28     ` Eric Dumazet
2011-03-03 22:59       ` Stephen Hemminger
2011-03-03 23:02         ` [PATCH] sched: QFQ - quick fair queue scheduler (v3.1) Stephen Hemminger
2011-03-03 23:12           ` Eric Dumazet
2011-03-04  0:03       ` [PATCH] sched: QFQ - quick fair queue scheduler (v3) Stephen Hemminger
2011-03-04  0:30         ` [PATCH] sched: QFQ - quick fair queue scheduler (v4) Stephen Hemminger
2011-03-04  6:50           ` Eric Dumazet
2011-03-04 17:17             ` Stephen Hemminger
2011-03-04 17:18             ` Stephen Hemminger
2011-03-04 17:20             ` QFQ debugfs Stephen Hemminger

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