netdev - Re: Network performance with small packets

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Message-ID: <20110310065457.GA22820@redhat.com>
Date:	Thu, 10 Mar 2011 08:54:58 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Tom Lendacky <tahm@...ux.vnet.ibm.com>
Cc:	Shirley Ma <mashirle@...ibm.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Krishna Kumar2 <krkumar2@...ibm.com>,
	David Miller <davem@...emloft.net>, kvm@...r.kernel.org,
	netdev@...r.kernel.org, steved@...ibm.com
Subject: Re: Network performance with small packets - continued

On Wed, Mar 09, 2011 at 05:25:11PM -0600, Tom Lendacky wrote:
> As for which CPU the interrupt gets pinned to, that doesn't matter - see 
> below.

So what hurts us the most is that the IRQ jumps between the VCPUs?
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