Re: Performance issue

[Gleb Natapov <gleb@redhat.com>]

On Tue, Nov 27, 2012 at 02:29:20PM +0200, George-Cristian Bîrzan wrote:
> On Tue, Nov 27, 2012 at 2:20 PM, Gleb Natapov <gleb@redhat.com> wrote:
> > On Mon, Nov 26, 2012 at 09:31:19PM +0200, George-Cristian Bîrzan wrote:
> >> On Sun, Nov 25, 2012 at 6:17 PM, George-Cristian Bîrzan <gc@birzan.org> wrote:
> >> > On Sun, Nov 25, 2012 at 5:19 PM, Gleb Natapov <gleb@redhat.com> wrote:
> >> >> What Windows is this? Can you try changing "-cpu host" to "-cpu
> >> >> host,+hv_relaxed"?
> >> >
> >> > This is on Windows Server 2008 R2 (sorry, forgot to mention that I
> >> > guess), and I can try it tomorrow (US time), as getting a stream my
> >> > way depends on complicated stuff. I will though, and let you know how
> >> > it goes.
> >>
> >> I changed that, no difference.
> >>
> >>
> > Heh, I forgot that the part that should make difference is not yet
> > upstream :(
> 
> We can try recompiling kvm/qemu with some patches, if that'd help. At
> this point, anything is on the table except changing Windows and the
> hardware :-)

Vadim do you have Hyper-v reference timer patches for KVM to try?

> 
> Also, it might be that the software doing the actual work is not well
> written, but even so...
> 
> --
> George-Cristian Bîrzan

--
			Gleb.