netdev - Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 2.6.28

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Date:	Fri, 9 Jan 2009 09:51:59 -0000 (WET)
From:	"Jorge Bastos" <mysql.jorge@...imal.pt>
To:	"Jarek Poplawski" <jarkao2@...il.com>
Cc:	"Denys Fedoryschenko" <denys@...p.net.lb>, netdev@...r.kernel.org,
	bugme-daemon@...zilla.kernel.org
Subject: Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 
     2.6.28

The below info is for the other user correct?

I've closed my bug report:

http://bugzilla.kernel.org/show_bug.cgi?id=12364

Is there's something you want me to change just say.
Thanks for all Jarek.
Jorge,

> On Thu, Jan 08, 2009 at 08:32:16PM +0200, Denys Fedoryschenko wrote:
>> I disable tso/gso and others. No difference at all. Here is actual
>> output,
>> after running it for 1-2 minutes.
>>
>> Cisco
>>   30 second output rate 59600000 bits/sec, 32978 packets/sec
>> Linux
>>
> ....
>> class htb 1:10 root rate 57000Kbit ceil 57000Kbit burst 72838b cburst
>> 72838b
>>  Sent 75203300117 bytes 328680653 pkt (dropped 0, overlimits 0 requeues
>> 0)
>>  rate 58008Kbit 32891pps backlog 0b 0p requeues 0
>
> Alas you forgot to add "tc -s qdisc" output, so there could be
> something more, but what I can see here doesn't look terribly wrong.
> The rate is exceeded less than 2%, so it seems some tweaking is
> needed. My proposal is to start with setting lower cburst params for
> all classes e.g. half of the current values (if no difference go
> lower). If it doesn't help send new stats.
>
> Thanks,
> Jarek P.
>


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