[libvirt] [PATCH RFC 0/7] libxl: domain statistics support
Daniel P. Berrange
berrange at redhat.com
Wed Sep 9 13:56:21 UTC 2015
On Tue, Sep 08, 2015 at 09:27:23AM +0100, Joao Martins wrote:
> Hey Jim,
> This series bring support for various statistics about domains
> regarding CPU, Memory, Network Interfaces and BlockStats. Not all of
> the statistics are implemented: qdisk support is missing in this series
> and some of the memory statistics aren't available.
> With this series we further implement 7 more functions of libvirt APIs.
> It is organized as follows:
> * Patch 1, 2: implements cpu/memory statistics.
> * Patch 3, 4: implements (netback) network statistics and VBD block
> statistics. QDisk will follow up in a separate series
> regarding QEMU monitor integration.
> * Patch 5: implement fetching all domain statistics
> * Patch 6, 7: implements Job information.
> Overall it looks big but 70% of the patch is due to #4 and #5 but doesn't
> add necessarily more complexity to the driver I believe. Patch #6 and #7
> are of special importance because GetJobInfo and GetJobStats are now used
> in Openstack Kilo to monitor live-migration progress. This two patches
> together with an earlier series  I sent before let us sucessfully
> live-migrate with Openstack Kilo. Further with this series we get to
> support nova diagnostics.
> Tested this series on 4.4.3 and 4.5 setups plus Openstack Kilo.
> Any comments or suggestions are welcome,
I've not done a detailed review of all the patches, but overall it all
looks conceptually sensible and likely mergable without much more work.
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