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Re: [libvirt] [PATCH v4 0/8] Add perf and Intel CMT feature support



On Mon, Mar 28, 2016 at 09:30:25PM +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.
> 
> Current state:
> 
> * 1/8 - perf: add new public APIs for perf event
>         - ACKed by Daniel
> 
> * 2/8 - perf: implement the remote protocol for perf event
>         - ACKed by Daniel
> 
> * 3/8 - perf: implement a set of util functions for perf event
>         - ACKed by Daniel
> 
> * 4/8 - qemu_driver: add support to perf event
>         - restart perf in qemuProcessReconnect and qemuProcessAttach
>           in patch 6/8
> 
> * 5/8 - perf: add new xml element
>         - ACKed by Daniel
> 
> * 6/8 - perf: reenable perf events when libvirtd restart
>         - add qemuDomainPerfRestart() into qemuProcessReconnect() and
>           qemuProcessAttach()
> 
> * 7/8 - virsh: implement new command to support perf
>         - ACKed by Daniel
> 
> * 8/8 - virsh: extend domstats command
>         - ACKed by Daniel

ACK to all patches. I had some comments inline - in future just make
sure you run 'make check && make syntax-check' against each patch
before submitting. Since the fixes were easy I've made them myself
and pushed to GIT master.


Regards,
Daniel
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