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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Shirley Ma <mashirle@us.ibm.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>, Shirley Ma <xma@us.ibm.com>,
	David Stevens <dlstevens@us.ibm.com>,
	kvm@vger.kernel.org, sri@linux.vnet.ibm.com,
	mashirle@linux.vnet.ibm.com
Subject: Re: vhost-net patches
Date: Mon, 2 Nov 2009 21:46:30 +0200	[thread overview]
Message-ID: <20091102194630.GA29395@redhat.com> (raw)
In-Reply-To: <1256800293.16022.7.camel@localhost.localdomain>

On Thu, Oct 29, 2009 at 12:11:33AM -0700, Shirley Ma wrote:
> Hello Michael,
> 
> I am able to get 63xxMb/s throughput with 10% less cpu utilization when
> I apply deferring skb patch on top of your most recent vhost patch. The
> userspace TCP_STREAM BW used to be 3xxxMb/s from upper stream git tree. 
> 
> After applying your recent vhost patch, it goes up to 53xxMb/s.

Thanks for the report!  I have pushed this patch (after cleaning it up
and fixing raw sockets), and updated the numbers in the wiki here
http://www.linux-kvm.org/page/VhostNet

-- 
MST

  reply	other threads:[~2009-11-02 19:48 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1255721369.10322.38.camel@w-sridhar.beaverton.ibm.com>
     [not found] ` <20091018105356.GA8374@redhat.com>
     [not found]   ` <20091018173202.GA32441@redhat.com>
2009-10-19 22:56     ` vhost-net patches Sridhar Samudrala
2009-10-20 10:24       ` Michael S. Tsirkin
     [not found]       ` <OFE487449E.75D4E72D-ON87257654.007E61BF-88257654.007F1CCC@us.ibm.com>
2009-10-20 11:34         ` Michael S. Tsirkin
     [not found]           ` <OF491C5580.D14A9827-ON87257655.005E2B42-88257655.005EBFDD@us.ibm.com>
2009-10-20 17:18             ` Michael S. Tsirkin
     [not found]               ` <OF519C21FE.3A50884E-ON87257655.005FB73B-88257655.005FEA00@us.ibm.com>
2009-10-20 17:33                 ` Michael S. Tsirkin
     [not found]                   ` <OFAA36418A.2A0716E0-ON87257656.006D1231-88257656.006DD91D@us.ibm.com>
2009-10-21 20:19                     ` Michael S. Tsirkin
     [not found]                       ` <OF2487602C.0F4CA77B-ON87257656.00834AC0-88257656.0083C68B@us.ibm.com>
2009-10-22  9:24                         ` Michael S. Tsirkin
2009-10-22 10:56                         ` Michael S. Tsirkin
2009-10-22 12:34                         ` Michael S. Tsirkin
2009-10-22 13:13                           ` Michael S. Tsirkin
2009-10-22 17:23                             ` Shirley Ma
2009-10-22 17:32                               ` Shirley Ma
2009-10-22 17:36                                 ` Michael S. Tsirkin
2009-10-22 17:44                                   ` Shirley Ma
2009-10-22 17:47                                     ` Michael S. Tsirkin
2009-10-22 17:56                                       ` Shirley Ma
2009-10-22 18:13                                         ` Shirley Ma
2009-10-22 17:43                               ` Michael S. Tsirkin
2009-10-22 18:00                                 ` Sridhar Samudrala
2009-10-23  7:12                                   ` Michael S. Tsirkin
2009-10-23 11:04                                   ` Michael S. Tsirkin
2009-10-23 15:02                                     ` Shirley Ma
2009-10-23 15:12                                       ` Shirley Ma
2009-10-23 16:23                                         ` Shirley Ma
2009-10-25 10:52                                           ` Michael S. Tsirkin
2009-10-25 17:05                                           ` Michael S. Tsirkin
2009-10-26  9:27                                           ` Michael S. Tsirkin
2009-10-26 21:35                                             ` Shirley Ma
2009-10-26 20:05                                           ` Michael S. Tsirkin
2009-10-26 21:34                                             ` Shirley Ma
2009-10-27  6:43                                               ` Michael S. Tsirkin
2009-10-27 14:46                                                 ` Shirley Ma
2009-10-27 15:27                                                   ` Michael S. Tsirkin
2009-10-27 16:36                                                     ` Shirley Ma
2009-10-27 20:58                                                       ` Michael S. Tsirkin
2009-10-28 15:55                                                         ` Shirley Ma
2009-10-28 15:39                                                       ` Michael S. Tsirkin
2009-10-28 16:45                                                         ` Shirley Ma
2009-10-28 16:53                                                           ` Michael S. Tsirkin
2009-10-28 18:12                                                             ` Shirley Ma
2009-10-29  7:11                                                               ` Shirley Ma
2009-11-02 19:46                                                                 ` Michael S. Tsirkin [this message]
2009-11-03  1:06                                                                   ` Xin, Xiaohui
2009-11-03 15:52                                                                     ` Shirley Ma
2009-10-28 20:55                                                             ` Shirley Ma
2009-10-28 16:46                                                       ` kvm memory leak (Was Re: vhost-net patches) Michael S. Tsirkin
2009-10-29 12:21                                                         ` Avi Kivity
2009-10-29 12:50                                                           ` Avi Kivity
2009-10-23 19:24                                         ` vhost-net patches Shirley Ma
2009-10-25  9:11                                           ` Michael S. Tsirkin
2009-10-26 21:37                                             ` Shirley Ma
2009-10-27  6:38                                               ` Michael S. Tsirkin
2009-10-27 14:48                                                 ` Shirley Ma
2009-10-28 17:46                                               ` Arnd Bergmann
2009-10-28 18:13                                                 ` Shirley Ma

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