Re: [PATCH 3/3] cpufreq: add sysfs knob for toggling coreperformance boost

From: Borislav Petkov
Date: Thu Mar 04 2010 - 16:49:26 EST

From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, Mar 04, 2010 at 01:27:43PM -0800

> The lack of any changelog in a patch is usually a good sign that the
> patch needs a changelog :(

See my earlier mail.


> Well I've read the code and I've read the code comments and I've read
> the changelogs and I still have no clue what this thing does.
> Apparently it allows me to toggle something called "APERF/MPERF". I
> guess if I were patient enough, teh goog might tell me what that is,
> and why I might want it. But this is all terribly inefficient.
> I think you'd find that your feature is more useful and will be used by
> more people if you tell them (and us) what it does.

Basically, this is a knob for toggling of a core boosting feature
we have in Fam10h, rev.E CPUs. I'll have a proper changelog with a
hopefully understandable explanation soon :).



Advanced Micro Devices, Inc.
Operating Systems Research Center

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