[libvirt] [PATCH 0/8] Add perf and Intel CMT feature support

[Daniel P. Berrange]

On Tue, Nov 17, 2015 at 04:00:40PM +0800, Qiaowei Ren wrote:
> The series mainly adds Intel CMT feature support into libvirt. CMT is
> new introduced PQos (Platform Qos) feature to monitor the usage of
> cache by applications running on the platform.
> 
> Currently CMT patches has been merged into Linux kernel mainline.
> The CMT implementation in Linux kernel is based on perf mechanism and
> there is no support for perf in libvirt, and so this series firstly
> add perf support into libvirt, including two public API and a set of
> util interfaces. And based on these APIs and interfaces, thie series
> implements CMT perf event support.
> 
> TODO:
> 1. This series relys on keeping an open file descriptor for the guest.
> We should add one patch to call sys_perf_event_open again iff libvirtd
> is restarted.

I've not done a detailed patch review, but overall I think this design
is pretty good now, so thanks for taking time to re-write this.


Regards,
Daniel
-- 
|: http://berrange.com      -o-    http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org              -o-             http://virt-manager.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org       -o-       http://live.gnome.org/gtk-vnc :|