From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: UDP is bypassing qdisc statistics ....
Date: Tue, 01 Sep 2009 17:43:09 +0200
Message-ID: <4A9D410D.5000507@gmail.com>
References: <20090901063726.GA5222@ff.dom.local> <alpine.DEB.1.10.0909011358030.15578@V090114053VZO-1> <4A9D2DBF.8030200@trash.net> <4A9D3687.2020101@gmail.com> <alpine.DEB.1.10.0909011504030.12112@V090114053VZO-1> <4A9D3D9A.1030500@gmail.com> <alpine.DEB.1.10.0909011534350.12112@V090114053VZO-1>
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Cc: Patrick McHardy <kaber@trash.net>,
	Mark Smith <lk-netdev@lk-netdev.nosense.org>,
	Jarek Poplawski <jarkao2@gmail.com>, netdev@vger.kernel.org
To: Christoph Lameter <cl@linux-foundation.org>
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Christoph Lameter a =E9crit :
> On Tue, 1 Sep 2009, Eric Dumazet wrote:
>=20
>> You should see that in /proc/interrupts, if I correctly understand b=
nx2.c
>=20
> Hmmm I have 8 interrupts:
>=20
>   62:        158          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-0
>   63:         84          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-1
>   64:        412          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-2
>   65:         25          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-3
>   66:      49718          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-4
>   67:         65          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-5
>   68:        686          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-6
>   69:       2582          0          0          0          0         =
 0
> 0          0          0          0          0          0          0
> 0          0          0  IR-PCI-MSI-edge      eth0-7

Yes, this confirm you have 8 queues on this NIC

Strange thing is they seem to be all serviced by CPU-0, which is not go=
od...