From: Cornelia Huck <cohuck@redhat.com>
To: Siwei Liu <loseweigh@gmail.com>
Cc: Alexander Duyck <alexander.h.duyck@intel.com>,
virtio-dev@lists.oasis-open.org, Jiri Pirko <jiri@resnulli.us>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jakub Kicinski <kubakici@wp.pl>,
"Samudrala, Sridhar" <sridhar.samudrala@intel.com>,
konrad.wilk@oracle.com, qemu-devel@nongnu.org,
virtualization@lists.linux-foundation.org,
Venu Busireddy <venu.busireddy@oracle.com>,
Netdev <netdev@vger.kernel.org>,
boris.ostrovsky@oracle.com, aaron.f.brown@intel.com,
Joao Martins <joao.m.martins@oracle.com>
Subject: Re: [virtio-dev] Re: [Qemu-devel] [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: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1525734594-11134-1-git-send-email-sridhar.samudrala@intel.com>
2018-06-05 1:41 ` [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net Samudrala, Sridhar
[not found] ` <fcefe501-b410-f1ec-829c-68199edcdbef@intel.com>
2018-06-05 2:06 ` Jason Wang
2018-06-06 18:17 ` Samudrala, Sridhar
2018-06-06 18:53 ` Michael S. Tsirkin
[not found] ` <20180606185214.GH6767@dnr>
2018-06-06 19:39 ` [libvirt] " Samudrala, Sridhar
2018-06-05 12:33 ` Michael S. Tsirkin
[not found] ` <20180605152344-mutt-send-email-mst@kernel.org>
2018-06-05 20:20 ` Samudrala, Sridhar
2018-06-05 20:37 ` Michael S. Tsirkin
2018-06-05 21:16 ` [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
[not found] ` <20180612143554-mutt-send-email-mst@kernel.org>
2018-06-14 0:56 ` Siwei Liu
2018-06-06 2:29 ` Jason Wang
2018-06-12 11:54 ` Michael S. Tsirkin
2018-06-13 0:20 ` Samudrala, Sridhar
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 ` [virtio-dev] " Siwei Liu
2018-06-22 2:30 ` Michael S. Tsirkin
2018-06-22 19:43 ` Siwei Liu
[not found] ` <CADGSJ210d358_uyNK9LLw9gpP5uXK6T0h=9mR9ryG7ySkVqvkA@mail.gmail.com>
2018-06-22 21:47 ` Michael S. Tsirkin
2018-06-22 22:25 ` Siwei Liu
2018-06-22 22:28 ` Michael S. Tsirkin
[not found] ` <7aa6dbe7-bac2-96f6-d96c-f51e5173c556@intel.com>
2018-06-13 2:41 ` [Qemu-devel] " Jason Wang
2018-06-11 17:26 ` Michael S. Tsirkin
[not found] ` <20180611202207-mutt-send-email-mst@kernel.org>
2018-06-12 1:54 ` [Qemu-devel] " Jason Wang
[not found] ` <dc8b1669-b8b6-fb59-94e2-6e4de6b96572@redhat.com>
2018-06-12 2:17 ` Michael S. Tsirkin
[not found] ` <20180612051432-mutt-send-email-mst@kernel.org>
2018-06-12 5:02 ` Samudrala, Sridhar
2018-06-12 11:34 ` Michael S. Tsirkin
2018-06-13 0:08 ` [virtio-dev] " Samudrala, Sridhar
2018-06-14 1:02 ` Siwei Liu
[not found] ` <CADGSJ213f8tJpNXuOhv8qRew-Y5VZAwA+srNMrLZYnKdVGLdAA@mail.gmail.com>
2018-06-14 10:02 ` Cornelia Huck
2018-06-14 12:50 ` Michael S. Tsirkin
[not found] ` <20180614120231.0a72bd5f.cohuck@redhat.com>
2018-06-15 1:57 ` Siwei Liu
2018-06-15 11:48 ` Cornelia Huck
[not found] ` <20180615134815.6613620e.cohuck@redhat.com>
2018-06-15 17:06 ` Siwei Liu
2018-06-19 10:54 ` Cornelia Huck
2018-06-19 20:09 ` Siwei Liu
2018-06-19 20:32 ` Michael S. Tsirkin
[not found] ` <20180619233001-mutt-send-email-mst@kernel.org>
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
[not found] ` <20180620224535-mutt-send-email-mst@kernel.org>
2018-06-21 14:59 ` Cornelia Huck
2018-06-21 18:20 ` Michael S. Tsirkin
2018-06-22 1:21 ` Siwei Liu
2018-06-22 2:32 ` Michael S. Tsirkin
[not found] ` <20180622053141-mutt-send-email-mst@kernel.org>
2018-06-22 20:00 ` Siwei Liu
2018-06-22 20:03 ` Siwei Liu
2018-06-22 21:29 ` Michael S. Tsirkin
[not found] ` <20180623002628-mutt-send-email-mst@kernel.org>
2018-06-22 21:51 ` Siwei Liu
[not found] ` <CADGSJ20td7b6He6S1PBSJjCq=bNvgqMGbOjiho2eeQm2pgpK3g@mail.gmail.com>
2018-06-22 22:25 ` Michael S. Tsirkin
[not found] ` <20180623012406-mutt-send-email-mst@kernel.org>
2018-06-22 23:40 ` Siwei Liu
[not found] ` <CADGSJ211pWKYnuuzcgUqJZiHU+=7H3oQSpp1TnE=+EBjkdmCSQ@mail.gmail.com>
2018-06-23 0:17 ` Siwei Liu
2018-06-24 1:45 ` Michael S. Tsirkin
2018-06-25 17:54 ` Samudrala, Sridhar
[not found] ` <da144f8f-65cd-45d9-3c81-6c8ca1fb25fe@intel.com>
2018-06-26 1:50 ` Michael S. Tsirkin
2018-06-26 15:17 ` Cornelia Huck
[not found] ` <20180626171732.5038f53f.cohuck@redhat.com>
2018-06-26 15:38 ` Michael S. Tsirkin
[not found] ` <20180626183706-mutt-send-email-mst@kernel.org>
2018-06-26 16:03 ` Cornelia Huck
[not found] ` <20180626180316.3723422f.cohuck@redhat.com>
2018-06-26 17:42 ` Michael S. Tsirkin
2018-06-26 23:38 ` Siwei Liu
[not found] ` <CADGSJ204fgdnafRsrzMVh+SeBCj3-z_twS9B+7g8iiOaUQGW5g@mail.gmail.com>
2018-06-27 0:29 ` Michael S. Tsirkin
[not found] ` <20180627032825-mutt-send-email-mst@kernel.org>
2018-06-27 6:21 ` Siwei Liu
[not found] ` <CADGSJ22Sv_AFUkDou6hdq9++RNC40BTB-puS9209tOqzGLFJ-g@mail.gmail.com>
2018-06-27 6:49 ` Samudrala, Sridhar
[not found] ` <19654612-a321-2ce9-9c1c-bcbae3a10e2f@intel.com>
2018-06-27 7:03 ` Siwei Liu
[not found] ` <20180621211712-mutt-send-email-mst@kernel.org>
2018-06-22 15:09 ` Cornelia Huck
[not found] ` <20180622170955.298900c1.cohuck@redhat.com>
2018-06-22 19:05 ` Michael S. Tsirkin
[not found] ` <20180622214259-mutt-send-email-mst@kernel.org>
2018-06-22 20:21 ` Siwei Liu
[not found] ` <CADGSJ22e=Sa8S-HqM4XtOa6ngBKPL73SiQRPh8PUzQgRaie5oA@mail.gmail.com>
2018-06-22 21:32 ` Michael S. Tsirkin
[not found] ` <20180623003022-mutt-send-email-mst@kernel.org>
2018-06-22 21:57 ` Siwei Liu
2018-06-22 22:33 ` Michael S. Tsirkin
2018-06-23 0:05 ` Siwei Liu
[not found] ` <CADGSJ21HNd4VYNcCt4H0gJ_CCx1GUFpHrDof2N=4WqhD24Zc2A@mail.gmail.com>
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
[not found] ` <20180626043839-mutt-send-email-mst@kernel.org>
2018-06-26 11:55 ` Cornelia Huck
[not found] ` <20180626135509.23154723.cohuck@redhat.com>
2018-06-26 13:54 ` Michael S. Tsirkin
2018-06-22 21:43 ` Michael S. Tsirkin
[not found] ` <20180623003545-mutt-send-email-mst@kernel.org>
2018-06-27 10:10 ` Cornelia Huck
[not found] ` <CADGSJ20wrF418-WVev6OjaeShZWE488uxRwgaZmsjOHZr8jyOw@mail.gmail.com>
2018-06-20 14:34 ` Cornelia Huck
[not found] ` <20180620163408.737af8c2.cohuck@redhat.com>
2018-06-20 19:59 ` Siwei Liu
2018-06-15 2:34 ` Michael S. Tsirkin
2018-06-15 9:32 ` Cornelia Huck
[not found] ` <20180615113242.799974f6.cohuck@redhat.com>
2018-06-15 12:31 ` Michael S. Tsirkin
[not found] ` <20180615152926-mutt-send-email-mst@kernel.org>
2018-06-18 13:27 ` Cornelia Huck
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