powerd(8) support for CPU scaling minimum and maximum
A breadcrumb for others finding this thread:
While Boris' original patch to add debug.cpufreq.highest sysctl support to kern_cpu.c was gently rejected (PR 144232, I'm too new to port URLs yet), he then filed a patch to add -M and -m to powerd(8) (PR 145063), which allows the user to set minimum and maximum clock speeds.
The patch was committed to 7-STABLE and 8-STABLE in September 2010, and should be part of 7.4 and 8.2.
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