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Date:	Fri, 07 Aug 2009 21:03:56 -0400
From:	Andrew Gallatin <gallatin@...i.com>
To:	Bill Fink <billfink@...dspring.com>
CC:	Brice Goglin <Brice.Goglin@...ia.fr>,
	Linux Network Developers <netdev@...r.kernel.org>,
	Yinghai Lu <yhlu.kernel@...il.com>
Subject: Re: Receive side performance issue with multi-10-GigE and NUMA

Bill Fink wrote:

> All sysfs local_cpus values are the same (00000000,000000ff),
> so yes they are also wrong.

How were you handling IRQ binding?  If local_cpus is wrong,
the irqbalance will not be able to make good decisions about
where to bind the NICs' IRQs.  Did you try manually binding
each NICs's interrupt to a separate CPU on the correct node?

Regards,

Drew
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