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[Xen-API] xen api VM_metrics.get_VCPUs_utilisation

To: xen-api@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-API] xen api VM_metrics.get_VCPUs_utilisation
From: alambike <alambike@xxxxxxxxx>
Date: Sat, 24 Apr 2010 16:09:05 +0200
Delivery-date: Sat, 24 Apr 2010 07:09:20 -0700
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Hi,

We work with :
xen 4.0
kernel dom0  2.6.31.13 git
kernel domU last vanilla kernel paravirt_ops, all domUs are paravirtualized

We are trying to monitorize the state of domUs (cpu, memory) from xen-api, in xen3.4 we have no problem to obtain de VCPUs_utilisation values, but in xen4.0 don't work, always returns 0.

Can anybody in Xen4.0 obtain the domUs VCPU_utilization from xen-api?

Another problem is VM_guest_metrics, any api call to this class methods always returns MESSAGE_METHOD_UNKNOWN, I suppose we must have a daemon in domUs to write in xenstore the memory usage values, but does the api  should not return some value even 0?

Maybe xenapi in not the apropiate tool to make this.

Appreciate some light about this questions. Thanks.

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