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Is it possible to control/configure the CPU frequency governor on MacOS X?

I would like it to ignore load/work from "niced" processes and not spin up the CPU frequency?

On Linux this can be controlled via the sysfs interface (/sys/devices/system/cpu/cpufreq/ondemand/ignore_nice_load).

This way long running processes in the background (e.g. BOINC) do not cause the fan to go up.

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