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
