Re: [RFC] kvm tools: Implement multiple VQ for virtio-net

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On Wed, Nov 16, 2011 at 10:34:42AM +1030, Rusty Russell wrote:
> On Mon, 14 Nov 2011 15:05:07 +0200, "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> > On Mon, Nov 14, 2011 at 02:25:17PM +0200, Pekka Enberg wrote:
> > > On Mon, Nov 14, 2011 at 4:04 AM, Asias He <asias.hejun@xxxxxxxxx> wrote:
> > > > Why both the bandwidth and latency performance are dropping so dramatically
> > > > with multiple VQ?
> > > 
> > > What's the expected benefit from multiple VQs
> > 
> > Heh, the original patchset didn't mention this :) It really should.
> > They are supposed to speed up networking for high smp guests.
> 
> If we have one queue per guest CPU, does this allow us to run lockless?
> 
> Thanks,
> Rusty.

LLTX? It's supposed to be deprecated, isn't it?

-- 
MST
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