[libvirt] Yet another RFC for CAT
乔立勇(Eli Qiao)
qiaoliyong at gmail.com
Tue Sep 12 12:53:59 UTC 2017
>
>
>
> We didn't want to exec external python programs because that certainly
> *does* have bad scalability, terrible error reporting facilities and
> need to parse ill defined data formats from stdout, etc. It doesn't
> magically solve the complexity, just moves it elsewhere where we have
> less ability to tailor it to fit into libvirt's model.
>
>
>
BTW, to clarify, RMD is not wroten by python, it's golang, and it's not
just a tool,
it's a running service(agent) on the host, provided RESTful API by unix/TCP
socket.
and much more smarter (policy based) then static allocation. Support
re-enforcement
based on monitoring data (cache usage).
It aimed to be the only one interface for all who want to operation
/sys/fs/resctrl, or
even early kernel (4.10) which has no /sys/fs/resctrl (thought MSR).
It not only provide VM but for all kinds of workload/cpu/containers.
BR - Eli
> Regards,
> Daniel
> --
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>
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