[vbox-dev] cpu hotplug support

Sebastian Dyroff dyroff at cs.tu-berlin.de
Wed Jan 13 02:08:43 PST 2010


On Tuesday 12 January 2010 15:04:24 Alexey Eremenko wrote:
> On Tue, Jan 12, 2010 at 3:39 PM, Sebastian Dyroff
> 
> <dyroff at cs.tu-berlin.de> wrote:
> > Hi all,
> >
> > as part of a university project we added cpu-hotplug support for
> > VirtualBox. We think it is a nice feature for the official version of
> > VirtualBox.
> 
> Good News ! Very interesting effort indeed.
> Which University is it ?

We are at the TU-Berlin (Berlin Institute of Technology).
 
> > We tested it on the following architectures:
> >
> > AMD 4 x hexacore System (Gentoo Linux 2.6.30 64bit)
> > AMD quadcore Phenom (Ubuntu 9.10 64bit and 9.04 64bit)
> > MacBookPro Intel dualcore (MacOS X Leopard 10.5.8)
> >
> > It should work on any host that is supported by VirtualBox.
> >
> > The guest system was a 64-bit Ubuntu 9.10 with up to 24 cpus. We couldn't
> > test other os's because they don't seem to support cpu hotplugging or
> > were too expensive.
> 
> I'm non-developer, so I can't review the patches themselves.
> 
> Another OS that sort-of supports CPU hotplug is Windows Server 2008,
> but there is no documentation about that.

Are there any links any information you can give us about that?

We only know that the datacenter edition supports cpu hotpluging. But we don't 
have access to that edition.

regards

Sebastian Dyroff




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