A recent commit by Theo changed the hw.perfpolicy behavior to always
run at full speed when AC power is on.  This means that my workstation
(and servers, once I upgrade them) now consumes significantly more
power, even though they usually idle.

[weerd@pom] $ sysctl hw.{vendor,product,perfpolicy,setperf,cpuspeed}
hw.vendor=Dell Inc.
hw.product=OptiPlex 9020
hw.perfpolicy=auto
hw.setperf=100
hw.cpuspeed=3401

If I'd want to use the old behavior on "non laptop" systems, what
would be the best approach to try to achieve that?  I mean, I can
revert the commit, but then I'm stuck with a frankenstein system.

Would another "economy" perfpolicy be better, or would it make more
sense to try to divine the type of system and adjust accordingly?

Paul

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