Embedded Linux Power Management on the Intel Atom ... - MontaVista
Embedded Linux Power Management on the Intel Atom ... - MontaVista
Embedded Linux Power Management on the Intel Atom ... - MontaVista
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Define <str<strong>on</strong>g>Power</str<strong>on</strong>g> <str<strong>on</strong>g>Management</str<strong>on</strong>g> Policies<br />
Before we get into that we'd better learn what we can<br />
c<strong>on</strong>trol and how we can c<strong>on</strong>trol it<br />
• Saving power while <strong>the</strong> CPU is active<br />
• Voltage and frequency scaling of <strong>the</strong> CPU using cpufreq<br />
• Saving power while <strong>the</strong> CPU is inactive<br />
• Idle scaling<br />
• Dynamic tick<br />
• Deferrable timers<br />
• Mitigate wakeups using <str<strong>on</strong>g>Power</str<strong>on</strong>g>Top and system tuning<br />
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