Re: [PATCH] kvm tools: Implement virtio network device

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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@xxxxxxxxx>
> 
> 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
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