netdev - Re: [PATCH iproute2] Re: HTB accuracy for high speed

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Message-ID: <20090519193531.GD2981@ami.dom.local>
Date:	Tue, 19 May 2009 21:35:31 +0200
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Jesper Dangaard Brouer <hawk@...u.dk>
Cc:	Antonio Almeida <vexwek@...il.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	netdev@...r.kernel.org, kaber@...sh.net, davem@...emloft.net,
	devik@....cz, Eric Dumazet <dada1@...mosbay.com>
Subject: Re: [PATCH iproute2] Re: HTB accuracy for high speed

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.
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