Re: [PATCH v4] x86, sched: Fix the AMD CPPC maximum perf on some specific generations

From: Ingo Molnar
Date: Thu May 13 2021 - 06:39:22 EST



* Ingo Molnar <mingo@xxxxxxxxxx> wrote:

> No need to send v5, done!
>
> I have a system that appears to be affected by this bug:
>
> kepler:~> lscpu | grep -i mhz
> CPU MHz: 4000.000
> CPU max MHz: 7140.6250
> CPU min MHz: 2200.0000
>
> So I should be able to confirm after a reboot.

'CPU max Mhz' seems to be saner now:

kepler:~> lscpu | grep -i mhz

CPU MHz: 2200.000
CPU max MHz: 4917.9678
CPU min MHz: 2200.0000

Thanks,

Ingo