Friday, May 18, 2007

PowerTop monitoring tool

New tool for Intel/Linux systems monitors power use on a per-process basis. This is excellent, as a few months ago I decided I wanted to have a tool like this, and this saves me from writing it!

There is also a new NO_HZ feature in the latest Linux kernel 2.6-21 that stops the clock when the CPU is idle. PowerTop can be used to see how much power that saves.

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