[vbox-dev] VirtualBox monitor CPU usage of virtual machine

Klaus Espenlaub Klaus.Espenlaub at Sun.COM
Mon Apr 26 08:39:20 GMT 2010

Adrian Marogel wrote:
> Hello,
> I would like to ask several questions regarding VirtualBox:
> - Is there a way to get the CPU load of the guest OS, not of the host machine,
> either using the SDK or using the command line programs such as VBoxManage?

This will be available (among many other guest performance metrics) in 
VirtualBox 3.2.

> - Is there any way to query the host machine to see if it has enough resources
> to power on virtual machines?

Same performance metrics API, available for quite some time. Just check 
the host values. For a quick peek check "VBoxManage metrics collect".

> - Is there a way to remotely power on virtual machines over the network? For
> example, can I use VBoxManage or the SDK to power on some virtual machines that
> are on some other host?

There's a webservice API. See the SDK docs.


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