From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [RFC PATCH V2] New Xen netback implementation
Date: Mon, 30 Jan 2012 15:07:16 +0000
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	 <20120127192214.GA14437@phenom.dumpdata.com>
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Cc: "Wei Liu (Intern)" <wei.liu2@citrix.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	David Vrabel <david.vrabel@citrix.com>,
	Paul Durrant <Paul.Durrant@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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On Fri, 2012-01-27 at 19:22 +0000, Konrad Rzeszutek Wilk wrote:
> 
>  - This patch set solves the CPU banding problem I've seen with the
>    older netback. The older one  I could see X netback threads eating
> 80%
>    of CPU. With this one, the number is down to 13-14%. 

"CPU banding problem"?

If you had X threads using 80% before do you now see Y threads using
13-14% where Y is bigger or smaller than X? Is 80*X ~= 13*Y?

Ian.