On Thu, Jan 6, 2011 at 6:00 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Jan 06, 2011 at 04:41:50PM +, Stefan Hajnoczi wrote:
Here are 4k sequential read results (cache=none) to check whether we
see an ioeventfd performance regression with virtio-blk.
The idea is to use a small
Here are 4k sequential read results (cache=none) to check whether we
see an ioeventfd performance regression with virtio-blk.
The idea is to use a small blocksize with an I/O pattern (sequential
reads) that is cheap and executes quickly. Therefore we're doing many
iops and the cost virtqueue
On Thu, Jan 06, 2011 at 04:41:50PM +, Stefan Hajnoczi wrote:
Here are 4k sequential read results (cache=none) to check whether we
see an ioeventfd performance regression with virtio-blk.
The idea is to use a small blocksize with an I/O pattern (sequential
reads) that is cheap and
On Thu, Jan 06, 2011 at 04:41:50PM +, Stefan Hajnoczi wrote:
Here are 4k sequential read results (cache=none) to check whether we
see an ioeventfd performance regression with virtio-blk.
The idea is to use a small blocksize with an I/O pattern (sequential
reads) that is cheap and
On Wed, Dec 15, 2010 at 12:59:45PM +, Stefan Hajnoczi wrote:
I'm concerned that the tests were done on qemu.git.
Could you check block with qemu-kvm too please?
The following results show qemu-kvm with virtio-ioeventfd v3 for both
aio=native and aio=threads:
On Wed, Dec 15, 2010 at 12:59 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Wed, Dec 15, 2010 at 12:14 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Wed, Dec 15, 2010 at 11:42:12AM +, Stefan Hajnoczi wrote:
Are you happy with this patchset if I remove virtio-net-pci
ioeventfd=on|off
On Thu, Dec 16, 2010 at 04:40:32PM +, Stefan Hajnoczi wrote:
On Wed, Dec 15, 2010 at 12:59 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Wed, Dec 15, 2010 at 12:14 PM, Michael S. Tsirkin m...@redhat.com
wrote:
On Wed, Dec 15, 2010 at 11:42:12AM +, Stefan Hajnoczi wrote:
Are
On Mon, Dec 13, 2010 at 6:52 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 05:57:28PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 4:28 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Dec 13, 2010 at 4:12 PM, Michael S. Tsirkin m...@redhat.com
wrote:
For the record, here are the commits to selectively mask virtqueues
for ioeventfd and to add -device virtio-net-pci,tx=immediate:
http://repo.or.cz/w/qemu-kvm/stefanha.git/shortlog/refs/heads/virtio-ioeventfd-2
I'm posting this in case you want to try it out too.
Stefan
On Wed, Dec 15, 2010 at 11:42:12AM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 6:52 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 05:57:28PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 4:28 PM, Stefan Hajnoczi stefa...@gmail.com
wrote:
On Mon,
On Wed, Dec 15, 2010 at 12:14 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Wed, Dec 15, 2010 at 11:42:12AM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 6:52 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 05:57:28PM +, Stefan Hajnoczi wrote:
On Mon, Dec
On Sun, Dec 12, 2010 at 9:09 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Sun, Dec 12, 2010 at 10:56:34PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 10:42:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 10:41:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec
On Mon, Dec 13, 2010 at 10:24:51AM +, Stefan Hajnoczi wrote:
On Sun, Dec 12, 2010 at 9:09 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Sun, Dec 12, 2010 at 10:56:34PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 10:42:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec
Fresh results:
192.168.0.1 - host (runs netperf)
192.168.0.2 - guest (runs netserver)
host$ src/netperf -H 192.168.0.2 -- -m 200
ioeventfd=on
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.0.2
(192.168.0.2) port 0 AF_INET
Recv SendSend
Socket Socket Message Elapsed
On Mon, Dec 13, 2010 at 01:11:27PM +, Stefan Hajnoczi wrote:
Fresh results:
192.168.0.1 - host (runs netperf)
192.168.0.2 - guest (runs netserver)
host$ src/netperf -H 192.168.0.2 -- -m 200
ioeventfd=on
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.0.2
On Mon, Dec 13, 2010 at 03:35:38PM +0200, Michael S. Tsirkin wrote:
On Mon, Dec 13, 2010 at 01:11:27PM +, Stefan Hajnoczi wrote:
Fresh results:
192.168.0.1 - host (runs netperf)
192.168.0.2 - guest (runs netserver)
host$ src/netperf -H 192.168.0.2 -- -m 200
ioeventfd=on
Here are my results on qemu-kvm.git:
ioeventfd=on
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.0.2
(192.168.0.2) port 0 AF_INET
Recv SendSend
Socket Socket Message Elapsed
Size SizeSize Time Throughput
bytes bytes bytessecs.10^6bits/sec
87380
On Mon, Dec 13, 2010 at 1:36 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:35:38PM +0200, Michael S. Tsirkin wrote:
On Mon, Dec 13, 2010 at 01:11:27PM +, Stefan Hajnoczi wrote:
Fresh results:
192.168.0.1 - host (runs netperf)
192.168.0.2 - guest (runs
On Mon, Dec 13, 2010 at 03:27:06PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 1:36 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:35:38PM +0200, Michael S. Tsirkin wrote:
On Mon, Dec 13, 2010 at 01:11:27PM +, Stefan Hajnoczi wrote:
Fresh results:
On Mon, Dec 13, 2010 at 03:27:06PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 1:36 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:35:38PM +0200, Michael S. Tsirkin wrote:
On Mon, Dec 13, 2010 at 01:11:27PM +, Stefan Hajnoczi wrote:
Fresh results:
On Mon, Dec 13, 2010 at 4:12 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:27:06PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 1:36 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:35:38PM +0200, Michael S. Tsirkin wrote:
On Mon,
On Mon, Dec 13, 2010 at 4:00 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:27:06PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 1:36 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:35:38PM +0200, Michael S. Tsirkin wrote:
On Mon,
On Mon, Dec 13, 2010 at 04:29:58PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 4:00 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:27:06PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 1:36 PM, Michael S. Tsirkin m...@redhat.com
wrote:
On Mon,
On Mon, Dec 13, 2010 at 4:28 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Dec 13, 2010 at 4:12 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:27:06PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 1:36 PM, Michael S. Tsirkin m...@redhat.com wrote:
On
On Mon, Dec 13, 2010 at 05:57:28PM +, Stefan Hajnoczi wrote:
On Mon, Dec 13, 2010 at 4:28 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Mon, Dec 13, 2010 at 4:12 PM, Michael S. Tsirkin m...@redhat.com wrote:
On Mon, Dec 13, 2010 at 03:27:06PM +, Stefan Hajnoczi wrote:
On Mon, Dec
On Sun, Dec 12, 2010 at 3:02 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
Due to lack of connectivity I am sending from GMail. Git should retain my
stefa...@linux.vnet.ibm.com From address.
The From address didn't come through correctly so I've pushed the commits here:
git pull
On Sun, Dec 12, 2010 at 03:02:04PM +, Stefan Hajnoczi wrote:
See below for the v5 changelog.
Due to lack of connectivity I am sending from GMail. Git should retain my
stefa...@linux.vnet.ibm.com From address.
Virtqueue notify is currently handled synchronously in userspace virtio.
On Sun, Dec 12, 2010 at 10:41:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 03:02:04PM +, Stefan Hajnoczi wrote:
See below for the v5 changelog.
Due to lack of connectivity I am sending from GMail. Git should retain my
stefa...@linux.vnet.ibm.com From address.
On Sun, Dec 12, 2010 at 10:42:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 10:41:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 03:02:04PM +, Stefan Hajnoczi wrote:
See below for the v5 changelog.
Due to lack of connectivity I am sending from GMail.
On Sun, Dec 12, 2010 at 10:56:34PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 10:42:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 10:41:28PM +0200, Michael S. Tsirkin wrote:
On Sun, Dec 12, 2010 at 03:02:04PM +, Stefan Hajnoczi wrote:
See below for the
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