Open Source Architecture

Open Source Architecture

Red Hat Enterprise Linux 5 Power Management Guide

Red Hat Inc.

Don Domingo

Engineering Content Services
Red Hat Enterprise Linux 5 Documentation Group
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Abstract

This document explains how to manage power consumption on Red Hat Enterprise Linux 5 systems effectively. The following sections discuss different techniques that lower power consumption (for both server and laptop), and how each technique affects the overall performance of your system.


1. Importance of Power Management
2. Power Management Basics
3. Using cpufreq Governors
3.1. CPUfreq Setup
3.2. Tuning CPUfreq Policy and Speed
3.3. CPUfreq Governor Types
4. Aggressive Link Power Management
Index