linux-kernel - Re: [RFC PATCH 3/4] cpufreq: Add Active Stats calls tracking frequency changes

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Message-ID: <a019ea67-7e9e-8933-baeb-cf866763de3e@arm.com>
Date:   Wed, 23 Jun 2021 10:14:43 +0100
From:   Lukasz Luba <lukasz.luba@....com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     linux-kernel@...r.kernel.org, daniel.lezcano@...aro.org,
        linux-pm@...r.kernel.org, amitk@...nel.org, rui.zhang@...el.com,
        dietmar.eggemann@....com, Chris.Redpath@....com,
        Beata.Michalska@....com, rjw@...ysocki.net, amit.kachhap@...il.com
Subject: Re: [RFC PATCH 3/4] cpufreq: Add Active Stats calls tracking
 frequency changes



On 6/23/21 4:15 AM, Viresh Kumar wrote:
> On 22-06-21, 12:07, Lukasz Luba wrote:
>> That cpufreq_stats_record_transition() is present only if
>> CONFIG_CPU_FREQ_STAT is set. I didn't wanted to be dependent on
>> this config.
> 
> Right, but you can also update the dummy
> cpufreq_stats_record_transition() function as well and you won't
> depend on the CONFIG then.

It would look a bit 'hidden', but I can do that.
It will require the header active_stats.h in that cpufreq.h
to add the line in the empty cpufreq_stats_record_transition().

If Rafael would also agree, then I can put it there.