On 04/23/2013 11:12 AM, Wolfgang Richter wrote: > I'm interested in adding introspection of disk writes to QEMU for various > applications and research potential. > > What I mean by introspection of disk writes is that, when enabled, each > write > passing through QEMU to backing storage would also be copied to an > introspection channel for further analysis.
Sounds like you would be benefited by the block-backup series, with an NBD server as the point where you inject your introspection. https://lists.gnu.org/archive/html/qemu-devel/2013-04/msg04629.html The existing drive-mirror command can also target an NBD destination, with similar effects. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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