[sheepdog] [PATCH] sheep: use tx/rx thread for data transfer

[HaiTing Yao]

On Fri, Jul 13, 2012 at 4:41 PM, Christoph Hellwig <hch at infradead.org> wrote:
> On Wed, Jul 11, 2012 at 05:27:10PM +0800, HaiTing Yao wrote:
>> I tested one 1G sized VDI I/O.
>>
>> Reading performance has improvment.
>
> Do you have profiles for both runs?  I'm a bit confused about the
> imrovements as all socket reads/writes should be non-blocking and not
> actually use up much time in the main thread.
>

I tried to find profiles and got confused also. With multible threads,
we can explain the improvement easy. I do not find the root reason for
the improvement with only one reading request at the same time, but
the improvement indeed exsited on my machines.

Thanks
Wujue