[one-users] Hosts total CPU load

[José Miguel Parrella Romero]

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Boris Konrad escribió:
> Hello,
> 
> I have got a question, which is just related to OpenNebula but I hope
> that someone might be able to answer it quickly:
> 
> How can I see the total CPU load of the hosts?
> Either in nebula or on the host itself?
> 
> If I "ask" top or /proc/stat, the value given is pretty low even
> though the virtual machines on this host have got an high load.
> 
> If I take xm top it shows me the Dom0 load (close to 0%) and the load
> of the VMs (100% while working).
> 
> How can I determine the actual CPU load on the physical host machines?

Have you tried using htop? Both top and htop query the proc filesystem,
but htop is better at displaying per-core usage.

However, I believe it might be related to the hypervisor not reporting
the desired CPU usage on the procfs:

http://lists.xensource.com/archives/html/xen-devel/2005-12/msg00436.html

Specifically:

http://lists.xensource.com/archives/html/xen-devel/2005-12/msg00444.html

HTH,
Jose
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