Re: [PATCH v1 0/3] thermal/debugfs: Fix and clean up trip point statistics updates

Daniel Lezcano
2024-04-22T15:34:27Z

On 22/04/2024 13:37, Lukasz Luba wrote:
> Hi Rafael,
>
> On 4/17/24 14:07, Rafael J. Wysocki wrote:
>> Hi Everyone,
>>
>> The first patch in this series addresses the problem of updating trip
>> point statistics prematurely for trip points that have just been
>> crossed on the way down (please see the patch changelog for details).
>>
>> The way it does that renders the following cleanup patch inapplicable:
>>
>> https://lore.kernel.org/linux-pm/2321994.ElGaqSPkdT@kreacher/
>>
>> The remaining two patches in the series are cleanups on top of the
>> first one.
>>
>> This series is based on an older patch series posted last week:
>>
>> https://lore.kernel.org/linux-pm/13515747.uLZWGnKmhe@kreacher/
>>
>> but it can be trivially rebased on top of the current linux-next.
>>
>> Thanks!
>>
>>
>>
>
> I've checked this patch patch set on top of your bleeding-edge
> which has thermal re-work as well. The patch set looks good
> and works properly.
>
> Although, I have found some issue in this debug info files and
> I'm not sure if this is expected or not. If not I can address this
> and send some small fix for it.
>
> When I read the cooling device residency statistics, I don't
> get updates for the first time the state is used. It can only
> be counted when that state was known and finished it's usage.
>
> IMO it is not the right behavior, isn't it?

Do you mean the right behavior is a regression or we should expect at
least the residency to be showed even if the mitigation state is not
closed ?

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