Re: [PATCH 0/4] CPUFreq statistics retrieved by drivers

Sudeep Holla
2020-07-31T15:56:57Z

On Thu, Jul 30, 2020 at 10:36:51AM +0100, Lukasz Luba wrote:
>
> In this case I think we would have to create debugfs.
> Sudeep do you think these debugfs should be exposed from the protocol
> layer:
> drivers/firmware/arm_scmi/perf.c

I prefer above over cpufreq as we can support for all the devices not
just cpus which avoids adding similar support elsewhere(mostly devfreq)

> or maybe from the cpufreq scmi driver? I would probably be safer to have
> it in the cpufreq driver because we have scmi_handle there.
>

Cristian was thinking if we can consolidate all such debugfs under one
device may be and that should eliminate your handle restriction. I would
like to see how that works out in implementation but I don't have any
better suggestion ATM.

--
Regards,
Sudeep