On Mon, Aug 19, 2019 at 10:32:23AM +0200, Menno Lageman wrote:
> QEMU introduced a CPU power management feature with commit 6f131f13e68d
> ("kvm: support -overcommit cpu-pm=on|off").
>
> With this flag, kvm allows guest to control host CPU power state. This
> increases latency for other processes using same host CPU in an
> unpredictable way, but if decreases idle entry/exit times for the
> running VCPU, so to use it QEMU needs a hint about whether host CPU is
> overcommitted, hence the flag name.
>
> This patch series adds a new kvm feature 'cpu-pm' for controlling
> "-overcommit cpu-pm=[on|off]"
>
> <features>
> <kvm>
> <cpu-pm state='on'/>
> </kvm>
> </features>
Unless I'm missing it, there was never a followup v2 for this
series ? Did you ever do more work on this, as this is still
a useful feature to support for KVM to maximize performance
AFAIK.
Regards,
Daniel
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