[libvirt-users] win2k8 guest and (strange) number of cpus task manager sees

[Brian Rak]

Windows has limits on the number of CPUs it can use based on the license 
level you have (Standard, Enterprise, etc).  You need to present the 
CPUs as two physical CPUs with multiple cores to get around this.

On 9/18/2014 5:14 AM, lejeczek wrote:
> hi everybody
>
> a qemu-kvm guest gets 16 cpus and Windows in "Device Manager" sees all 
> sixteeen
> but "Task Manager" shows only 4, the same "System" properties say "(4 
> processors)"
>
> I'd like to learn a bit about this - is it some sort of "resources 
> management" on the libvirt/qemu causing this? And what does it do to a 
> guest performance-wise side?
>
> it's on Scientific L 7,
> qemu-kvm-1.5.3-60.el7_0.7.x86_64
> libvirt-1.1.1-29.el7_0.1.x86_64
>
> regards
> P.
>
> _______________________________________________
> libvirt-users mailing list
> libvirt-users at redhat.com
> https://www.redhat.com/mailman/listinfo/libvirt-users