From: Asias He <asias.hejun@gmail.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>, Ingo Molnar <mingo@elte.hu>,
kvm@vger.kernel.org
Subject: Re: [PATCH] kvm tools: Implement virtio network device
Date: Wed, 13 Apr 2011 20:00:40 +0800 [thread overview]
Message-ID: <4DA59068.9060707@gmail.com> (raw)
In-Reply-To: <4DA58E35.5010801@cs.helsinki.fi>
On 04/13/2011 07:51 PM, Pekka Enberg wrote:
> On 4/13/11 2:48 PM, Asias He wrote:
>> This patch implement virtio network device.
>> Use '-n virtio or --network=virtio' to enable it.
>>
>> The current implementation uses tap which needs root privileges to
>> create a
>> virtual network device (tap0) on host side. Actually, what we need is
>> CAP_NET_ADMIN.
>>
>> The host side tap0 is set to 192.168.33.2/24.
>> You need to configure the guest side eth0 to any ip address in
>> 192.168.33.0/24.
>>
>> Here are some scp performance test for differenct implementations:
>> None of rx and tx as thread:
>> guest to host 3.2MB/s
>> host to guest 3.1MB/s
>>
>> Only rx as thread:
>> guest to host 14.7MB/s
>> host to guest 33.4MB/s
>>
>> Both rx and tx as thread(This patch works this way):
>> guest to host 19.8MB/s
>> host to guest 32.5MB/s
>>
>> Signed-off-by: Asias He<asias.hejun@gmail.com>
>
> This is already in master. Thanks!
>
Ingo suggested to CC the updated version of this patch to kvm list. So I
am posting this patch again.
--
Best Regards,
Asias He
next prev parent reply other threads:[~2011-04-13 12:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-13 11:48 [PATCH] kvm tools: Implement virtio network device Asias He
2011-04-13 11:51 ` Pekka Enberg
2011-04-13 12:00 ` Asias He [this message]
2011-04-13 13:02 ` [transparent networking] " Ingo Molnar
2011-04-13 13:33 ` Avi Kivity
2011-04-13 13:38 ` Avi Kivity
2011-04-13 13:39 ` Asias He
2011-04-13 16:21 ` Stefan Hajnoczi
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