From: Jarek Poplawski <jarkao2@gmail.com>
To: Badalian Vyacheslav <slavon@bigtelecom.ru>
Cc: netdev@vger.kernel.org
Subject: Re: Machine Check Exception Re: NetDev! Please help!
Date: Tue, 23 Sep 2008 20:26:08 +0200 [thread overview]
Message-ID: <20080923182607.GA2992@ami.dom.local> (raw)
In-Reply-To: <48D8DE33.6000605@bigtelecom.ru>
Badalian Vyacheslav wrote, On 09/23/2008 02:16 PM:
...
> I simple hope that after divide to bands/queues and go back to network
> all packets save "First in and First Out" logic that needed in services
> like video streaming...
Of course this is aimed at, and if it's really first in per flow, and
flows are bound to devs/irqs, after hashing should be the same. But...
shit happens - e.g. recently there has been fixed a bug in the hash
which could change this order. And you should remember this default
qdisc is prioritized fifo, so you should be careful with TOS etc.
>> sch_multiq doesn't use any params for hashing now - it uses mapping
>> in packets to separate them to different bands/queues. So, by default
>> it'll respect common hashing. You can change this using any filter with
>> act_skbedit (Documentation/networking/multiqueue.txt).
>>
>>
> Ok! I will read all related information and rewrite all tc generate
> scripts to test it!
Do you mean net-next? I think you should first do some tests if you
really need this.
...
> not to worry ;) Thanks again. I try last -next git after someone fix
> Intel exception issue ;)
I think, maybe you could try what Ingo Molnar asked: -tip git, for now?
Jarek P.
next prev parent reply other threads:[~2008-09-23 18:25 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-20 13:19 NetDev! Please help! Badalian Vyacheslav
2008-09-20 13:38 ` Badalian Vyacheslav
2008-09-20 18:11 ` Denys Fedoryshchenko
2008-09-21 16:11 ` Jarek Poplawski
[not found] ` <48D7385D.40107@bigtelecom.ru>
2008-09-22 6:53 ` Machine Check Exception " Jarek Poplawski
2008-09-22 8:05 ` Jarek Poplawski
2008-09-22 9:40 ` Badalian Vyacheslav
2008-09-22 11:24 ` Jarek Poplawski
2008-09-22 13:00 ` Badalian Vyacheslav
2008-09-22 17:23 ` Jarek Poplawski
2008-09-23 7:43 ` Badalian Vyacheslav
2008-09-23 9:25 ` Jarek Poplawski
2008-09-23 10:36 ` Badalian Vyacheslav
2008-09-23 11:57 ` Jarek Poplawski
2008-09-23 12:06 ` Jarek Poplawski
2008-09-23 12:16 ` Badalian Vyacheslav
2008-09-23 18:26 ` Jarek Poplawski [this message]
2008-09-20 18:31 ` Machine Check Exception Was: " Jarek Poplawski
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