From: David Vrabel <david.vrabel@citrix.com>
To: "Pasi Kärkkäinen" <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
Subject: Re: [PATCH V4 0/3] xen-netback: switch to NAPI + kthread 1:1 model
Date: Tue, 6 Aug 2013 14:29:30 +0100 [thread overview]
Message-ID: <5200FA3A.4030704@citrix.com> (raw)
In-Reply-To: <20130806131637.GS2924@reaktio.net>
On 06/08/13 14:16, Pasi Kärkkäinen 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 configuration 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
next prev parent reply other threads:[~2013-08-06 13:29 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-06 9:06 [PATCH V4 0/3] xen-netback: switch to NAPI + kthread 1:1 model Wei Liu
2013-08-06 9:06 ` [PATCH V4 1/3] xen-netback: remove page tracking facility Wei Liu
2013-08-07 2:52 ` Matt Wilson
2013-08-06 9:06 ` [PATCH V4 2/3] xen-netback: switch to NAPI + kthread 1:1 model Wei Liu
2013-08-06 13:33 ` Wei Liu
2013-08-06 13:50 ` Ian Campbell
2013-08-06 14:50 ` Wei Liu
2013-08-06 14:56 ` Ian Campbell
2013-08-06 15:05 ` Wei Liu
2013-08-06 15:21 ` Ian Campbell
2013-08-06 15:24 ` Wei Liu
2013-08-06 15:33 ` Wei Liu
2013-08-06 15:38 ` Ian Campbell
2013-08-06 15:47 ` Wei Liu
2013-08-06 15:50 ` Ian Campbell
2013-08-06 15:54 ` Wei Liu
2013-08-06 15:58 ` Ian Campbell
2013-08-06 9:06 ` [PATCH V4 3/3] xen-netback: rename functions Wei Liu
2013-08-06 13:16 ` [PATCH V4 0/3] xen-netback: switch to NAPI + kthread 1:1 model Pasi Kärkkäinen
2013-08-06 13:28 ` Wei Liu
2013-08-06 13:29 ` David Vrabel [this message]
2013-08-06 14:17 ` Andrew Bennieston
2013-08-22 15:12 ` Wei Liu
2013-08-22 15:19 ` Wei Liu
2013-08-22 17:14 ` Matt Wilson
2013-08-23 2:24 ` annie li
2013-08-15 13:20 ` Wei Liu
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