[Bug 47855] Run tests in more than one VM at a time

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47855

--- Comment #2 from François Gouget <fgouget at codeweavers.com> ---
Fortunately our requirements are probably simpler than Netflix's. For instance
I think in our case it would be quite alright to place a "dual-cpu" VM on a
single hyperthreaded host core.

The nodeinfo and capabilities virsh commands are interesting:
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/5/html/virtualization/ch33s08

Furthermore virsh vcpupin indicates that the CPU pinning can be configured on
running guests and presumably all these APIs are available through Libvirt's
perl interface.

So I guess LibvirtTool could query the host's CPU and Numa information (virsh
capabilities), get a list of the already running VMs (virsh list), get CPU
assignments from them (virsh vcpuinfo), and set up pinning for the new VM
(virsh vcpupin).

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