Re: [PATCH] cpufreq: schedutil: Always trace frequency if it does not change

Viresh Kumar
2017-03-22T09:56:15Z

On 22-03-17, 10:29, Peter Zijlstra wrote:
> On Wed, Mar 22, 2017 at 01:56:53AM +0100, Rafael J. Wysocki wrote:

> > However, the same problem may occur for a cpufreq driver that doesn't
> > support fast frequency switching and implements the ->target callback
> > (that is, it doesn't use frequency tables), but trace_cpu_frequency()
> > is not called if frequency updates are skipped in that case.
>
> I'm having trouble parsing that; am I right in understanding this is the
> exact same scenario where only superfluous changes are omitted?

Yes. Just for a different driver type.

--
viresh