Virtual CPUFreq Driver Coming With Linux 6.13 For Better Power/Performance Within VMs

[phoronix]

Phoronix: Virtual CPUFreq Driver Coming With Linux 6.13 For Better Power/Performance Within VMs

Earlier this week was the main power management updates for Linux 6.13 that included switching AMD EPYC Turin to using the amd_pstate driver on supported systems. Sent out this weekend was another set of power management updates that also includes a notable addition: the virtual CPUFreq driver...

https://www.phoronix.com/news/Linux-6.13-Virtual-CPUFreq

[joaquinvacas]

So is this an implementation of the aforementioned KVM-CPUFreq Driver or are those different things?

[aviallon]

So is this an implementation of the aforementioned KVM-CPUFreq Driver or are those different things?

It is the aforementioned KVM-CPUFreq.
I'm already rebuilding my servers' kernel with the patch applied.
I'm trying to find what QEMU/KVM might be needed on the host side. I can't wait to try the whole thing.

[joaquinvacas]

It is the aforementioned KVM-CPUFreq.
I'm already rebuilding my servers' kernel with the patch applied.
I'm trying to find what QEMU/KVM might be needed on the host side. I can't wait to try the whole thing.

My next question would be if Windows VMs will be able to use it, would be really cool, those use to be the most inefficient VMs their own.

[darkbasic]

My next question would be if Windows VMs will be able to use it, would be really cool, those use to be the most inefficient VMs their own.

I don't think so at the moment unfortunately.