netdev - RE: Low performance Intel 10GE NIC (3.2.10) on 2.6.38 Kernel

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Message-ID: <1302761251.3549.198.camel@edumazet-laptop>
Date:	Thu, 14 Apr 2011 08:07:31 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Wei Gu <wei.gu@...csson.com>
Cc:	Alexander Duyck <alexander.h.duyck@...el.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	netdev <netdev@...r.kernel.org>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
Subject: RE: Low performance Intel 10GE NIC (3.2.10) on 2.6.38 Kernel

Le jeudi 14 avril 2011 à 13:42 +0800, Wei Gu a écrit :
> Hi guys,
> Do you think it was a bug in the kernel from 2.6.35.2 with Intel 10GE ixgbe driver?
> If so shall I issue a Bug on the bugzilla, and which category? Cause I'm not sure it was driver problem Or sched problem.

This makes no sense to me.

What is the maximum throughput you can get in pps before having packet
drops ?

Please try with a single flow (to hit one queue, one cpu)

Thanks
 

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