netdev - Re: bond + tc regression ?

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Message-ID: <20090506061010.GA4571@ff.dom.local>
Date:	Wed, 6 May 2009 06:10:10 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Vladimir Ivashchenko <hazard@...ncoudi.com>
Cc:	Eric Dumazet <dada1@...mosbay.com>, netdev@...r.kernel.org
Subject: Re: bond + tc regression ?

On 05-05-2009 19:41, Vladimir Ivashchenko wrote:
>>> On both kernels, the system is running with at least 70% idle CPU.
>>> The network interrupts are distributed accross the cores.
>> You should not distribute interrupts, but bound a NIC to one CPU
> 
> Kernels 2.6.28 and 2.6.29 do this by default, so I thought its correct.
> The defaults are wrong?
> 
...
>> ifconfig -a
> 
> bond0     Link encap:Ethernet  HWaddr 00:1B:24:BD:E9:CC
>           inet addr:xxx.xxx.135.44  Bcast:xxx.xxx.135.47  Mask:255.255.255.248
>           inet6 addr: fe80::21b:24ff:febd:e9cc/64 Scope:Link
>           UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
>           RX packets:436076190 errors:0 dropped:391250 overruns:0 frame:0
>           TX packets:2620156321 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:4210046233 (3.9 GiB)  TX bytes:2520272242 (2.3 GiB)

Could you try e.g.: ifconfig bond0 txqueuelen 1000
before tc qdisc add?

Jarek P.
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