On Sun, Nov 14, 2010 at 12:19 PM, Avi Kivity <a...@redhat.com> wrote: > On 11/14/2010 01:05 PM, Avi Kivity wrote: >>> >>> I agree, but let's enable virtio-ioeventfd carefully because bad code >>> is out there. >> >> >> Sure. Note as long as the thread waiting on ioeventfd doesn't consume too >> much cpu, it will awaken quickly and we won't have the "transaction per >> timeslice" effect. >> >> btw, what about virtio-blk with linux-aio? Have you benchmarked that with >> and without ioeventfd? >> > > And, what about efficiency? As in bits/cycle?
We are running benchmarks with this latest patch and will report results. Stefan
