Re: [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of target frequency

From: Rafael J. Wysocki
Date: Thu Jun 13 2013 - 18:06:30 EST

On Thursday, June 13, 2013 11:40:08 PM Borislav Petkov wrote:
> On Fri, Jun 14, 2013 at 12:22:18AM +0300, Stratos Karafotis wrote:
> > Please let me share some more test results using aim9 benchmark suite:
> >
> >
> > Each test was running for 10sec.
> > Total execution time with and without the patch was almost identical, which is
> > expected since the tests in aim9 run for a specific period.
> > The energy during the test run was increased by 0.43% with the patch.
> > The performance was increased by 1.25% (average) with this patch.
> Not bad. However, exec_test and fork_test are kinda unexpected with such
> a high improvement percentage. Happen to have an explanation?
> FWIW, if we don't find any serious perf/power regressions with
> this patch, I'd say it is worth applying even solely for the code
> simplification it brings.

May I take this as an ACK? ;-)

Well, that's my opinion too, actually.


I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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