The State of Linux Power Management 2006

Power Management, as it relates to Operating Systems, is the process of regulating the amount of power consumed by a computer. It is a feature that is available in every type of computer that Linux runs, though the expectations and the implementations of power management vary greatly depending the makeup of the platform and the type of software running on it.

This paper provides an analysis of power management and how it relates to the Linux kernel. It provides a complete (though not comprehensive) survey of power management features, the policy to control those features, and user constraints of the policy.

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