[Xen-API] Openstack Ceilometer

[Thomas Goirand <thomas@xxxxxxxxxx>]

Hi there, Mike, Jon and John!

As there's now the new Ceilometer project in openstack, I was wondering
few things about VM usage monitoring XCP.

In a normal dom0 running Xen, my python daemon dtc-xen has a thread that
monitor usages the following way:
- Number of CPU used by each VM using "xm list"
- Network usage of each VM using the kernel bytes counter in /proc/net/dev
- Number of sector read/write for each VM using /sys/block/dm-%s/stat

Now, we would like to have the same information using XCP's REST. Is
there a way that is already implemented in XCP? If not, could this be a
new feature to add to XCP?

Cheers,

Thomas Goirand

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