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Re: [Xen-devel] Event channel performance optimize

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Event channel performance optimize
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Tue, 27 Apr 2010 00:49:09 +0300
Cc: qiushanggao <qsg0720@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, Apr 27, 2010 at 12:33:27AM +0300, Pasi Kärkkäinen wrote:
> On Mon, Apr 26, 2010 at 09:52:43PM +0100, Keir Fraser wrote:
> > 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.
> > 
> 
> I think he meant domUs and dom0.. does the same apply to domUs? 
> 

+not

-- Pasi


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