linux-kernel - Re: [PATCH] intel_pstate: track and export frequency residency stats via sysfs.

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Date:	Tue, 9 Sep 2014 10:33:23 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Anup Chenthamarakshan <anupc@...omium.org>
Cc:	Dirk Brandewie <dirk.j.brandewie@...el.com>,
	Sameer Nanda <snanda@...omium.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] intel_pstate: track and export frequency residency stats
 via sysfs.

On 9 September 2014 05:40, Anup Chenthamarakshan <anupc@...omium.org> wrote:
> Exported stats appear in
> <sysfs>/devices/system/cpu/intel_pstate/time_in_state as follows:
>
> ## CPU 0
> 400000 3647
> 500000 24342
> 600000 144150
> 700000 202469
> ## CPU 1
> 400000 4813
> 500000 22628
> 600000 149564
> 700000 211885
> 800000 173890
>
> Signed-off-by: Anup Chenthamarakshan <anupc@...omium.org>
> ---
>  drivers/cpufreq/intel_pstate.c | 77 ++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 74 insertions(+), 3 deletions(-)

Why don't we reuse cpufreq_stats.c for all this?
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