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From: Simon Horman <horms@verge.net.au>
To: Krishna Kumar2 <krkumar2@in.ibm.com>
Cc: anthony@codemonkey.ws, arnd@arndb.de, avi@redhat.com,
	davem@davemloft.net, eric.dumazet@gmail.com, kvm@vger.kernel.org,
	mst@redhat.com, netdev@vger.kernel.org, rusty@rustcorp.com.au
Subject: Re: [v3 RFC PATCH 0/4] Implement multiqueue virtio-net
Date: Thu, 24 Feb 2011 07:59:25 +0900	[thread overview]
Message-ID: <20110223225925.GL7361@verge.net.au> (raw)
In-Reply-To: <OFAAA32513.A5D0FB9F-ON65257840.001ACE50-65257840.001D5B76@in.ibm.com>

On Wed, Feb 23, 2011 at 10:52:09AM +0530, Krishna Kumar2 wrote:
> Simon Horman <horms@verge.net.au> wrote on 02/22/2011 01:17:09 PM:
> 
> Hi Simon,
> 
> 
> > I have a few questions about the results below:
> >
> > 1. Are the (%) comparisons between non-mq and mq virtio?
> 
> Yes - mainline kernel with transmit-only MQ patch.
> 
> > 2. Was UDP or TCP used?
> 
> TCP. I had done some initial testing on UDP, but don't have
> the results now as it is really old. But I will be running
> it again.
> 
> > 3. What was the transmit size (-m option to netperf)?
> 
> I didn't use the -m option, so it defaults to 16K. The
> script does:
> 
> netperf -t TCP_STREAM -c -C -l 60 -H $SERVER
> 
> > Also, I'm interested to know what the status of these patches is.
> > Are you planing a fresh series?
> 
> Yes. Michael Tsirkin had wanted to see how the MQ RX patch
> would look like, so I was in the process of getting the two
> working together. The patch is ready and is being tested.
> Should I send a RFC patch at this time?
> 
> The TX-only patch helped the guest TX path but didn't help
> host->guest much (as tested using TCP_MAERTS from the guest).
> But with the TX+RX patch, both directions are getting
> improvements. Remote testing is still to be done.

Hi Krishna,

thanks for clarifying the test results.
I'm looking forward to the forthcoming RFC patches.

      parent reply	other threads:[~2011-02-23 22:59 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-20  8:54 [v3 RFC PATCH 0/4] Implement multiqueue virtio-net Krishna Kumar
2010-10-20  8:54 ` [v3 RFC PATCH 1/4] Change virtqueue structure Krishna Kumar
2010-10-20  8:55 ` [v3 RFC PATCH 2/4] Changes for virtio-net Krishna Kumar
2010-10-20  8:55 ` [v3 RFC PATCH 3/4] Changes for vhost Krishna Kumar
2010-10-20  8:55 ` [v3 RFC PATCH 4/4] qemu changes Krishna Kumar
2010-10-25 15:50 ` [v3 RFC PATCH 0/4] Implement multiqueue virtio-net Krishna Kumar2
2010-10-25 16:17   ` Michael S. Tsirkin
2010-10-26  5:10     ` Krishna Kumar2
     [not found]     ` <OF5C53E9CF.FFDF2CE7-ON652577C8.00191D14-652577C8.001C2154@LocalDomain>
2010-10-26  9:08       ` Krishna Kumar2
2010-10-26  9:38         ` Michael S. Tsirkin
2010-10-26 10:01           ` Krishna Kumar2
2010-10-26 11:09             ` Michael S. Tsirkin
2010-10-28  5:14               ` Krishna Kumar2
2010-10-28  5:50                 ` Michael S. Tsirkin
2010-10-28  6:12                   ` Krishna Kumar2
2010-10-28  6:18                     ` Michael S. Tsirkin
     [not found]               ` <OFC29C4491.59069AD1-ON652577CA.00170F0D-652577CA.001C76C8@LocalDomain>
2010-10-28  7:18                 ` Krishna Kumar2
2010-10-29 11:26                   ` Michael S. Tsirkin
2010-10-29 14:57                     ` linux_kvm
2010-11-03  7:01                   ` Michael S. Tsirkin
2010-10-26  8:57   ` Michael S. Tsirkin
2010-11-09  4:38     ` Krishna Kumar2
2010-11-09 13:22       ` Michael S. Tsirkin
2010-11-09 15:28         ` Krishna Kumar2
2010-11-09 15:33           ` Michael S. Tsirkin
2010-11-09 17:24             ` Krishna Kumar2
2010-11-10 16:16               ` Michael S. Tsirkin
     [not found]         ` <OF24E08752.2087FFA4-ON652577D6.00532DF1-652577D6.0054B291@LocalDomain>
2010-11-16  7:25           ` MQ performance on other cards (cxgb3) Krishna Kumar2
2011-02-22  7:47 ` [v3 RFC PATCH 0/4] Implement multiqueue virtio-net Simon Horman
2011-02-23  5:22   ` Krishna Kumar2
2011-02-23  6:39     ` Michael S. Tsirkin
2011-02-23  6:48       ` Krishna Kumar2
2011-02-23 15:55         ` Michael S. Tsirkin
2011-02-24 11:48           ` Krishna Kumar2
2011-02-23 22:59     ` Simon Horman [this message]

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