On 05/31/2010 10:16 AM, Karsten Knese wrote: > Hey folks. > > Currently, I am working on an accounting-solution for Private Cloud with > Eucalyptus as my bachelor-thesis. Eucalyptus bases on libvirt providing > the KVM machines. Part of the thesis is kind of measurement for the > uptimes of each instance in the cloud. > > As Eucalyptus is based on libvirt, i want to know if there is kind of > tool already setup for monitoring a vm in terms of uptimes, cputimes and > disk i/o. Disk I/O and cpu time is reported by libvirt. See 'virsh domblkstat' and 'virsh dominfo' respectively. Uptime isn't explicitly listed by libvirt, but you can get a sorta uptime by just watching virsh domid output and making sure the domain ID doesn't change. - Cole