From: Cornelia Huck <cohuck@redhat.com>
To: Siwei Liu <loseweigh@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
"Samudrala, Sridhar" <sridhar.samudrala@intel.com>,
Alexander Duyck <alexander.h.duyck@intel.com>,
virtio-dev@lists.oasis-open.org, aaron.f.brown@intel.com,
Jiri Pirko <jiri@resnulli.us>, Jakub Kicinski <kubakici@wp.pl>,
Netdev <netdev@vger.kernel.org>,
qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org,
konrad.wilk@oracle.com, boris.ostrovsky@oracle.com,
Joao Martins <joao.m.martins@oracle.com>,
Venu Busireddy <venu.busireddy@oracle.com>,
vijay.balakrishna@oracle.com
Subject: Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net
Date: Tue, 26 Jun 2018 17:08:13 +0200 [thread overview]
Message-ID: <20180626170813.4db094a1.cohuck@redhat.com> (raw)
In-Reply-To: <CADGSJ21HNd4VYNcCt4H0gJ_CCx1GUFpHrDof2N=4WqhD24Zc2A@mail.gmail.com>
On Fri, 22 Jun 2018 17:05:04 -0700
Siwei Liu <loseweigh@gmail.com> wrote:
> On Fri, Jun 22, 2018 at 3:33 PM, Michael S. Tsirkin <mst@redhat.com> wrote:
> > I suspect the diveregence will be lost on most users though
> > simply because they don't even care about vfio. They just
> > want things to go fast.
>
> Like Jason said, VF isn't faster than virtio-net in all cases. It
> depends on the workload and performance metrics: throughput, latency,
> or packet per second.
So, will it be guest/admin-controllable then where the traffic flows
through? Just because we do have a vf available after negotiation of
the feature bit, it does not necessarily mean we want to use it? Do we
(the guest) even want to make it visible in that case?
next prev parent reply other threads:[~2018-06-26 15:08 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-07 23:09 [Qemu-devel] [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net Sridhar Samudrala
2018-06-05 1:41 ` Samudrala, Sridhar
2018-06-05 2:06 ` Jason Wang
2018-06-06 18:17 ` Samudrala, Sridhar
2018-06-06 18:52 ` [Qemu-devel] [libvirt] " Ján Tomko
2018-06-06 19:39 ` Samudrala, Sridhar
2018-06-06 18:53 ` [Qemu-devel] " Michael S. Tsirkin
2018-06-05 12:33 ` Michael S. Tsirkin
2018-06-05 20:20 ` Samudrala, Sridhar
2018-06-05 20:37 ` Michael S. Tsirkin
2018-06-05 21:16 ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-06-05 21:32 ` Michael S. Tsirkin
2018-06-05 22:09 ` Siwei Liu
2018-06-12 11:47 ` Michael S. Tsirkin
2018-06-14 0:56 ` Siwei Liu
2018-06-06 2:29 ` [Qemu-devel] " Jason Wang
2018-06-12 11:54 ` Michael S. Tsirkin
2018-06-13 0:20 ` Samudrala, Sridhar
2018-06-13 2:41 ` Jason Wang
2018-06-13 2:38 ` Jason Wang
2018-06-13 4:24 ` Samudrala, Sridhar
2018-06-13 5:40 ` Jason Wang
2018-06-21 18:14 ` Michael S. Tsirkin
2018-06-22 1:07 ` [Qemu-devel] [virtio-dev] " Siwei Liu
2018-06-22 2:30 ` Michael S. Tsirkin
2018-06-22 19:43 ` Siwei Liu
2018-06-22 21:47 ` Michael S. Tsirkin
2018-06-22 22:25 ` Siwei Liu
2018-06-22 22:28 ` Michael S. Tsirkin
2018-06-11 17:26 ` [Qemu-devel] " Michael S. Tsirkin
2018-06-12 1:54 ` Jason Wang
2018-06-12 2:17 ` Michael S. Tsirkin
2018-06-12 5:02 ` Samudrala, Sridhar
2018-06-12 11:34 ` Michael S. Tsirkin
2018-06-13 0:08 ` [Qemu-devel] [virtio-dev] " Samudrala, Sridhar
2018-06-14 1:02 ` Siwei Liu
2018-06-14 10:02 ` Cornelia Huck
2018-06-15 1:57 ` Siwei Liu
2018-06-15 11:48 ` Cornelia Huck
2018-06-15 17:06 ` Siwei Liu
2018-06-19 10:54 ` Cornelia Huck
2018-06-19 20:09 ` Siwei Liu
2018-06-20 14:34 ` Cornelia Huck
2018-06-20 19:59 ` Siwei Liu
2018-06-19 20:32 ` Michael S. Tsirkin
2018-06-20 9:53 ` Cornelia Huck
2018-06-20 14:11 ` Michael S. Tsirkin
2018-06-20 16:06 ` Cornelia Huck
2018-06-20 19:48 ` Michael S. Tsirkin
2018-06-21 14:59 ` Cornelia Huck
2018-06-21 18:20 ` Michael S. Tsirkin
2018-06-22 15:09 ` Cornelia Huck
2018-06-22 19:05 ` Michael S. Tsirkin
2018-06-22 20:21 ` Siwei Liu
2018-06-22 21:32 ` Michael S. Tsirkin
2018-06-22 21:57 ` Siwei Liu
2018-06-22 22:33 ` Michael S. Tsirkin
2018-06-23 0:05 ` Siwei Liu
2018-06-26 15:08 ` Cornelia Huck [this message]
2018-06-26 17:50 ` Michael S. Tsirkin
2018-06-27 9:11 ` Cornelia Huck
2018-06-25 9:55 ` Cornelia Huck
2018-06-26 1:46 ` Michael S. Tsirkin
2018-06-26 11:55 ` Cornelia Huck
2018-06-26 13:54 ` Michael S. Tsirkin
2018-06-22 21:43 ` Michael S. Tsirkin
2018-06-27 10:10 ` Cornelia Huck
2018-06-22 1:21 ` Siwei Liu
2018-06-22 2:25 ` Venu Busireddy
2018-06-22 2:32 ` Michael S. Tsirkin
2018-06-22 20:00 ` Siwei Liu
2018-06-22 20:03 ` Siwei Liu
2018-06-22 21:29 ` Michael S. Tsirkin
2018-06-22 21:51 ` Siwei Liu
2018-06-22 22:25 ` Michael S. Tsirkin
2018-06-22 23:40 ` Siwei Liu
2018-06-23 0:17 ` Siwei Liu
2018-06-24 1:45 ` Michael S. Tsirkin
2018-06-25 17:54 ` Samudrala, Sridhar
2018-06-26 1:50 ` Michael S. Tsirkin
2018-06-26 15:17 ` Cornelia Huck
2018-06-26 15:38 ` Michael S. Tsirkin
2018-06-26 16:03 ` Cornelia Huck
2018-06-26 17:42 ` Michael S. Tsirkin
2018-06-26 23:38 ` Siwei Liu
2018-06-27 0:29 ` Michael S. Tsirkin
2018-06-27 6:21 ` Siwei Liu
2018-06-27 6:49 ` Samudrala, Sridhar
2018-06-27 7:03 ` Siwei Liu
2018-06-15 2:34 ` Michael S. Tsirkin
2018-06-15 9:32 ` Cornelia Huck
2018-06-15 12:31 ` Michael S. Tsirkin
2018-06-18 13:27 ` Cornelia Huck
2018-06-14 12:50 ` Michael S. Tsirkin
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