Re: [PATCH 0/6] cpufreq: Add 'load_table' debugfs file to showcolleced CPUs load

From: Viresh Kumar
Date: Tue Jul 09 2013 - 02:50:13 EST


On 5 July 2013 14:16, Chanwoo Choi <cw00.choi@xxxxxxxxxxx> wrote:
> Second, previous performance/powersave governor haven't calculated CPUs load
> becuase these governor didn't change CPU frequency according to CPUs load. But,
> load_table debugfs file always should indicate the collected CPUs data regardless
> of the kind of cpufreq governor. So, the patch3/4/5 implement that performance/
> powersave governor will check periodically CPUs load by calling dbs_check_cpu()
> with timer.

I raised a query on how can we call dbs_check_cpu() from
performance/powersave? Also, calling this routine will degrade
performance without any sense. So, I vote not for doing it.
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