Re: [Xen-users] Running nbench

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----- "Guillaume Betous" <guillaume.betous@xxxxxxxxx> wrote:

> Hi all !
> 
> We are making our first steps under Xen. We are working under Suse,
> and we successfully installed 4 virtual machines on a Core2Duo T7200.
> 
> We have some special performance needs, so the first thing we tried
> is
> to share, on different configuration, CPU usage.
> 
> To "touch" the results, we simply run nbench [1]
> 
> The problem is that we always have the same final result, even in the
> following configurations :
> - nbench running only on Dom0
> - nbench running on 4 VM, each one has 1 VCPU (each VM is "any cpu")
> - nbench running on 4 VM, each one has 1 VCPU (first VM in assigned
> on
> CPU 0, the 3 others on CPU 1)
> - nbench running on 4 VM, the first one has 10 VCPU, the other one
> have 1 VCPU (each VM is "any cpu")
> 
> We really are getting crasy !!! Did we miss something ? How to be
> sure
> to share correctly CPU consumtion ?
> 
> Thank you very much,
> 
> Regards,
> 
> gUI
> 
> [1] http://www.tux.org/~mayer/linux/bmark.html


What version of Xen are you using as I believe there are differences between 
3.1 and 3.2.

Regards,

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