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[Xen-devel] Is it possible to follow a rebooted domain (with a different ID)?


I have an application, running in dom0 userspace, that receives mem_events about a domU HVM guest. At some point, the HVM guest (a Windows machine) restarts, at which point I need to shut down my userspace application, find it's new ID (with 'xm list'), then re-start my application passing the new ID as a parameter.

What I'd like to be able to do is to automatically follow the domain after it has started again. Is it possible to do this from dom0 userspace (using libxc), and if it is, how?

A related question is this: is it possible to get notifications from userspace about a new domU that's just been started (regardless of whether it's a reboot of a previously watched domU or not)?

Razvan Cojocaru

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