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Saving Power on Intel Hardware Using Powertop

Posted 01-08-2008 at 05:06 AM by sridhar11
Updated 06-17-2016 at 10:47 AM by sridhar11

PowerTOP is a Linux tool that finds the software component(s) that make your laptop use more power than necessary while it is idle. As of Linux kernel version 2.6.21, the kernel no longer has a fixed 1000Hz timer tick. This will (in theory) give a huge power savings because the CPU stays in low power mode for longer periods of time during system idle.

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