Re: [Xen-devel] Event channel performance optimize

To:	Pasi Kärkkäinen <pasik@xxxxxx>, qiushanggao <qsg0720@xxxxxxx>
Subject:	Re: [Xen-devel] Event channel performance optimize
From:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date:	Mon, 26 Apr 2010 21:52:43 +0100
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On 26/04/2010 21:07, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:

> On Fri, Apr 23, 2010 at 11:05:43PM +0800, qiushanggao wrote:
>>    I find the question:  inter-domain event only can be send to domain's
>>    vcpu0 in Xen, so that dom0's vcpu0 deal with the all domU's network and
>>    disk request;  but my computer have 8 physical cpu;
>> 
>>    anybody find the question? and anybody tell me how to optimize the
>>    question?
> 
> Maybe Keir can comment on this one..

It's not true. An event can be delivered to any dom0 vcpu. They are
presented as a type of irq to the dom0 kernel, and hence normal Linux
load-balancing strategies such as irqbalanced will apply.

 -- Keir

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Re: [Xen-devel] Event channel performance optimize