CPU governors

CPU governors are kernel-land pieces of software that control the CPU clockspeed by varying criteria. In accordance with the Linux Kernel the following governors are available:

• ondemand
  Dynamically changes frequency based on the CPU utilization with a focus on performance.
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• conservative
  Dynamically changes frequency based on the CPU utilization with a focus on saving power.
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• performance
  Sets the frequency statically to the highest available CPU frequency.
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• powersave
  Sets the frequency statically to the lowest available CPU frequency.
  This governor might exhibit an unwanted behaviour, as a high workload has a longer execution time than it'd have, using the ondemand governor
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• userspace
  Sets the frequency statically to the given frequency.
  DO NOT USE UNLESS YOU KNOW WHAT YOU ARE DOING!
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• interactive
  Designed for low latency burst workloads. Scaling is done when coming out of idle instead of polling.