From: Sasha Levin <levinsasha928@gmail.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: penberg@kernel.org, kvm@vger.kernel.org, mingo@elte.hu,
asias.hejun@gmail.com, gorcunov@gmail.com,
Krishna Kumar <krkumar2@in.ibm.com>,
Rusty Russell <rusty@rustcorp.com.au>,
virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org
Subject: Re: [RFC] kvm tools: Implement multiple VQ for virtio-net
Date: Sun, 13 Nov 2011 17:00:30 +0200 [thread overview]
Message-ID: <1321196430.2425.2.camel@sasha> (raw)
In-Reply-To: <20111113102428.GD15322@redhat.com>
On Sun, 2011-11-13 at 12:24 +0200, Michael S. Tsirkin wrote:
> On Sat, Nov 12, 2011 at 12:12:01AM +0200, Sasha Levin wrote:
> > This is a patch based on Krishna Kumar's patch series which implements
> > multiple VQ support for virtio-net.
> >
> > The patch was tested with ver3 of the patch.
> >
> > Cc: Krishna Kumar <krkumar2@in.ibm.com>
> > Cc: Michael S. Tsirkin <mst@redhat.com>
> > Cc: Rusty Russell <rusty@rustcorp.com.au>
> > Cc: virtualization@lists.linux-foundation.org
> > Cc: netdev@vger.kernel.org
> > Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
>
> Any performance numbers?
I tried finding a box with more than two cores so I could test it on
something like that as well.
>From what I see this patch causes a performance regression on my 2 core
box.
I'll send an updated KVM tools patch in a bit as well.
Before:
# netperf -H 192.168.33.4,ipv4 -t TCP_RR
MIGRATED TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET
to 192.168.33.4 (192.168.33.4) port 0 AF_INET : first burst 0
Local /Remote
Socket Size Request Resp. Elapsed Trans.
Send Recv Size Size Time Rate
bytes Bytes bytes bytes secs. per sec
16384 87380 1 1 10.00 11160.63
16384 87380
# netperf -H 192.168.33.4,ipv4 -t UDP_RR
MIGRATED UDP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET
to 192.168.33.4 (192.168.33.4) port 0 AF_INET : first burst 0
Local /Remote
Socket Size Request Resp. Elapsed Trans.
Send Recv Size Size Time Rate
bytes Bytes bytes bytes secs. per sec
122880 122880 1 1 10.00 12072.64
229376 229376
# netperf -H 192.168.33.4,ipv4 -t TCP_STREAM
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 10.00 4654.50
netperf -H 192.168.33.4,ipv4 -t TCP_STREAM -- -m 128
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 128 10.00 635.45
# netperf -H 192.168.33.4,ipv4 -t UDP_STREAM
MIGRATED UDP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # 10^6bits/sec
122880 65507 10.00 113894 0 5968.54
229376 10.00 89373 4683.54
# netperf -H 192.168.33.4,ipv4 -t UDP_STREAM -- -m 128
MIGRATED UDP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # 10^6bits/sec
122880 128 10.00 550634 0 56.38
229376 10.00 398786 40.84
After:
# netperf -H 192.168.33.4,ipv4 -t TCP_RR
MIGRATED TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET
to 192.168.33.4 (192.168.33.4) port 0 AF_INET : first burst 0
Local /Remote
Socket Size Request Resp. Elapsed Trans.
Send Recv Size Size Time Rate
bytes Bytes bytes bytes secs. per sec
16384 87380 1 1 10.00 8952.47
16384 87380
# netperf -H 192.168.33.4,ipv4 -t UDP_RR
MIGRATED UDP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET
to 192.168.33.4 (192.168.33.4) port 0 AF_INET : first burst 0
Local /Remote
Socket Size Request Resp. Elapsed Trans.
Send Recv Size Size Time Rate
bytes Bytes bytes bytes secs. per sec
122880 122880 1 1 10.00 9534.52
229376 229376
# netperf -H 192.168.33.4,ipv4 -t TCP_STREAM
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 10.13 2278.23
# netperf -H 192.168.33.4,ipv4 -t TCP_STREAM -- -m 128
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 128 10.00 623.27
# netperf -H 192.168.33.4,ipv4 -t UDP_STREAM
MIGRATED UDP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # 10^6bits/sec
122880 65507 10.00 136930 0 7175.72
229376 10.00 16726 876.51
# netperf -H 192.168.33.4,ipv4 -t UDP_STREAM -- -m 128
MIGRATED UDP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.33.4 (192.168.33.4) port 0 AF_INET
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # 10^6bits/sec
122880 128 10.00 982492 0 100.61
229376 10.00 249597 25.56
--
Sasha.
next prev parent reply other threads:[~2011-11-13 15:00 UTC|newest]
Thread overview: 23+ 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 15:00 ` Sasha Levin [this message]
2011-11-13 15:32 ` Sasha Levin
2011-11-14 2:04 ` Asias He
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
2011-11-15 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 10:15 ` Sasha Levin
2011-11-14 12:25 ` Pekka Enberg
2011-11-14 12:25 ` Pekka Enberg
2011-11-14 13:05 ` Michael S. Tsirkin
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
2011-11-22 18:14 ` Stephen Hemminger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1321196430.2425.2.camel@sasha \
--to=levinsasha928@gmail.com \
--cc=asias.hejun@gmail.com \
--cc=gorcunov@gmail.com \
--cc=krkumar2@in.ibm.com \
--cc=kvm@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=mst@redhat.com \
--cc=netdev@vger.kernel.org \
--cc=penberg@kernel.org \
--cc=rusty@rustcorp.com.au \
--cc=virtualization@lists.linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.