From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: [PATCH V4 0/3] xen-netback: switch to NAPI +
 kthread 1:1 model
Date: Tue, 6 Aug 2013 14:29:30 +0100
Message-ID: <5200FA3A.4030704@citrix.com>
References: <1375779963-24090-1-git-send-email-wei.liu2@citrix.com>
	<20130806131637.GS2924@reaktio.net>
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To: =?ISO-8859-1?Q?Pasi_K=E4rkk=E4inen?= <pasik@iki.fi>
Cc: Wei Liu <wei.liu2@citrix.com>, ian.campbell@citrix.com, xen-devel@lists.xen.org, annie.li@oracle.com, msw@amazon.com, andrew.bennieston@citrix.com
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On 06/08/13 14:16, Pasi K=E4rkk=E4inen wrote:
> On Tue, Aug 06, 2013 at 10:06:00AM +0100, Wei Liu wrote:
>>
>> IRQs are distributed to 4 cores by hand in the new model, while in the
>> old model vifs are automatically distributed to 4 kthreads.
>>
> =

> Hmm.. so with these patches applied is is *required* to do manual configu=
ration in dom0 to get good performance?

This should be irqbalanced's job.  The existing version doesn't do a
good enough job yet though.  Andrew Bennieston may have more details.

David