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Re: [Qemu-devel] Adding Disk-Level Introspection to QEMU
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] Adding Disk-Level Introspection to QEMU |
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Date: |
Tue, 23 Apr 2013 11:22:04 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130402 Thunderbird/17.0.5 |
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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Re: [Qemu-devel] Adding Disk-Level Introspection to QEMU, Stefan Hajnoczi, 2013/04/23