Re: [PATCH 4/8] cpufreq/schedutil: sysfs capacity margin tunable

[Peter Zijlstra]

On Sun, Mar 13, 2016 at 10:22:08PM -0700, Michael Turquette wrote:
> With the addition of the global cfs capacity margin helpers in patch,
> "sched/cpufreq: new cfs capacity margin helpers", we can now export
> sysfs tunables from the schedutil governor. This allows privileged users
> to tune the value more easily.
> 
> The margin value is global to cfs, not per-policy. As such schedutil
> does not store any state about the margin. Schedutil restores the margin
> value to its default value when exiting.

Yuck sysfs.. I would really rather we did not expose this per default.
And certainly not in this weird form.