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SubjectRe: [PATCH v3 3/3] [RFC] CPUFreq: Add support for cpu-perf-dependencies
On 06-11-20, 11:14, Lukasz Luba wrote:
> I also had similar doubts, because if we make frequency requests
> independently for each CPU, why not having N cooling devs, which
> will set independently QoS max freq for them...
>
> What convinced me:
> EAS and FIE would know the 'real' frequency of the cluster, IPA
> can use it also and have only one cooling device per cluster.
>
> We would like to keep this old style 'one cooling device per cpuset'.
> I don't have strong opinion and if it would appear that there are
> some errors in freq estimation for cluster, then maybe it does make
> more sense to have cdev per CPU...

Let me rephrase my question. What is it that doesn't work _correctly_
with cdev per cpufreq policy in your case? What doesn't work well if
the thermal stuff keeps looking at only the related_cpus thing and not
the cpu-perf-dependencies thing?

--
viresh

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