From: "Michael S. Tsirkin" <mst@redhat•com>
To: Pekka Enberg <penberg@kernel•org>
Cc: Krishna Kumar <krkumar2@in•ibm.com>,
kvm@vger•kernel.org, Asias He <asias.hejun@gmail•com>,
virtualization@lists•linux-foundation.org, gorcunov@gmail•com,
Sasha Levin <levinsasha928@gmail•com>,
netdev@vger•kernel.org, mingo@elte•hu
Subject: Re: [RFC] kvm tools: Implement multiple VQ for virtio-net
Date: Mon, 14 Nov 2011 15:05:07 +0200 [thread overview]
Message-ID: <20111114130507.GA18288@redhat.com> (raw)
In-Reply-To: <CAOJsxLE4yRO+5XncrDEzVh5-RGXG+=HGTAmQ=bX=KMsDqf=feA@mail.gmail.com>
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@gmail•com> 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.
> i.e. why are doing the patches Sasha?
--
MST
next prev parent reply other threads:[~2011-11-14 13:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-11 22:12 [RFC] kvm tools: Implement multiple VQ for virtio-net Sasha Levin
2011-11-13 10:24 ` Michael S. Tsirkin
2011-11-13 15:00 ` Sasha Levin
2011-11-13 15:32 ` Sasha Levin
2011-11-14 2:04 ` Asias He
2011-11-14 10:15 ` Sasha Levin
2011-11-15 4:44 ` Krishna Kumar2
2011-11-15 15:30 ` Sasha Levin
2011-11-16 6:10 ` jason wang
2011-11-16 9:09 ` Krishna Kumar2
2011-11-16 10:05 ` jason wang
2011-11-14 12:25 ` Pekka Enberg
2011-11-14 13:05 ` Michael S. Tsirkin [this message]
2011-11-16 0:04 ` Rusty Russell
2011-11-16 7:23 ` Michael S. Tsirkin
2011-11-21 0:41 ` Rusty Russell
2011-11-22 18:14 ` Stephen Hemminger
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