[Qemu-devel] Re: [PATCH v5 0/4] virtio: Use ioeventfd for virtqueue notify

[Michael S. Tsirkin]

On Wed, Dec 15, 2010 at 12:59:45PM +0000, Stefan Hajnoczi wrote:
> > I'm concerned that the tests were done on qemu.git.
> > Could you check block with qemu-kvm too please?
> 
> The following results show qemu-kvm with virtio-ioeventfd v3 for both
> aio=native and aio=threads:
> 
> http://wiki.qemu.org/Features/VirtioIoeventfd
> 
> Stefan

What were the flags used to run qemu here? One option that's known to
affect speed significantly is x2apic. Did you try it?

-- 
MST