From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jarek Poplawski <jarkao2@gmail.com>
Subject: Re: [PATCH iproute2] Re: HTB accuracy for high speed
Date: Tue, 19 May 2009 21:35:31 +0200
Message-ID: <20090519193531.GD2981@ami.dom.local>
References: <20090517201528.GA8552@ami.dom.local> <20090518065629.GA6006@ff.dom.local> <298f5c050905180954m791c14eaxe1f4b2c92f952a2f@mail.gmail.com> <20090518175352.GB2755@ami.dom.local> <298f5c050905181123o55c35e74n24cd4ee2c07d8fca@mail.gmail.com> <20090518183221.GC2755@ami.dom.local> <298f5c050905181156w2254fcb4p889d67e26fad6e6@mail.gmail.com> <20090518190541.GA3047@ami.dom.local> <Pine.LNX.4.64.0905191517350.4730@tyr.diku.dk>
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Cc: Antonio Almeida <vexwek@gmail.com>,
	Stephen Hemminger <shemminger@vyatta.com>,
	netdev@vger.kernel.org, kaber@trash.net, davem@davemloft.net,
	devik@cdi.cz, Eric Dumazet <dada1@cosmosbay.com>
To: Jesper Dangaard Brouer <hawk@diku.dk>
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On Tue, May 19, 2009 at 03:18:47PM +0200, Jesper Dangaard Brouer wrote:
>
> On Mon, 18 May 2009, Jarek Poplawski wrote:
>
>> Since you're so kind... :-) There is a line in net/sched/sch_htb.c:
>>
>> #define HTB_HYSTERESIS 1        /* whether to use mode hysteresis for speedup */
>>
>> Could you change 1 to 0, and repeat these tests above after recompiling?
>
> Notice its runtime adjustable via:
>  /sys/module/sch_htb/parameters/htb_hysteresis
>
> Since kernel version v2.6.26.

Yes, this should convince Antonio to try something newer.
(Alas it didn't seem to make much difference to his case ;-)

Cheers,
Jarek P.