On 11/01/2023 11.09, Thomas Huth wrote:
On 05/01/2023 15.53, Pierre Morel wrote:
The modification of the CPU attributes are done through a monitor
commands.
s/commands/command/
It allows to move the core inside the topology tree to optimise
the cache usage in the case the host's hypervizor previously
s/hypervizor/hypervisor/
moved the CPU.
The same command allows to modifiy the CPU attributes modifiers
s/modifiy/modify/
like polarization entitlement and the dedicated attribute to notify
the guest if the host admin modified scheduling or dedication of a vCPU.
With this knowledge the guest has the possibility to optimize the
usage of the vCPUs.
Hmm, who is supposed to call this QMP command in the future? Will there be a
new daemon monitoring the CPU changes in the host? Or will there be a
libvirt addition for this? ... Seems like I still miss the big picture here...
Or if this is just about to provide an API for future experiments, I'd
rather suggest to introduce the new commands with a "x-" prefix to mark them
as experimental (so we would also not need to go through the deprecation
process in case they don't work out as expected in the future).
Thomas
