Re: [libvirt] [PATCH 0/3] qemu: support -overcommit cpu-pm=on|off

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.