Re: [Qemu-devel] [PATCH v1 00/17] dataplane: optimization and multi virtqueue support

[Paolo Bonzini]

Il 13/08/2014 13:43, Ming Lei ha scritto:
>> > The below patch is basically the minimal change to bypass coroutines.  Of 
>> > course
>> > the block.c part is not acceptable as is (the change to 
>> > refresh_total_sectors
>> > is broken, the others are just ugly), but it is a start.  Please run it 
>> > with
>> > your fio workloads, or write an aio-based version of a qemu-img/qemu-io 
>> > *I/O*
>> > benchmark.
> I have to say this approach is much cleaver, and better than mine, and
> I just run a quick fio randread test in VM, and IOPS can improve > 10%
> than bypass coroutine patch.

Great, do you have a profile without and with the patch?

Paolo