Re: [PATCH 0/6] Add ACRN CPU frequency management
toggle quoted message Show quoted text
-----Original Message-----Somehow it is hard to understand... Please revisit carefully.
In general, I think hardware platform may support either HWP or ACPI method for frequency control.
ACRN HV should be able to manage the frequency automatically (no need for configuration tool to set). Do I miss anything?
To me, if HWP method is available, it is preferred. If not, ACPI method is the choice.
RTVMs needs certainty in latency, so their CPUs always run at base/nominalDoes guest care about which method to be exposed?
It seems either way works. If YES, we don’t want to bother users to configure in tools.
A general policy is to "automatically" configure the system if it can.
We use the tool (to configure) for the reason of saving HV code. In here, I didn’t see the saving.