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Date: Sun, 4 May 2014 11:28:07 +0200
From: Marko Zec <zec@fer.hr>
To: Adrian Chadd <adrian@freebsd.org>
Subject: Re: Leaving the Desktop Market
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On Sun, 4 May 2014 01:13:48 -0700
Adrian Chadd <adrian@freebsd.org> wrote:

> [snip]
> 
> ok, how about this to start with:
> 
> http://people.freebsd.org/~adrian/power/20140504-powerd-1.diff
> 
> This defaults powerd to set minfreq to 50% of the hardware available
> maxfreq, unless minfreq is explicitly given on the command line.

As already noted earlier in this thread, if you disable

hint.p4tcc.0.disabled=1
hint.acpi_throttle.0.disabled=1

then the kernel does not even expose expose those silly minimum
"frequencies", and your problem goes away without patching powerd.

A more reasonable and simpler patch would be to disable the two
offending throttling drivers by default, I really cannot see a single
reason why do we need them at all, less why they are enabled.

Marko

> This should at least fix some of the really silly default decisions
> made by powerd during idle.
> 
> This code sorely needs an update to the cpufreq_*() routines. That can
> come later.
> 
> Does anyone have any issues?
> 
> 
> 
> -a
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