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Just What Makes Linux Tick

Feb 22, 2008, 04:00 (0 Talkback[s])
(Other stories by David M. Williams)

"Last time, we spoke about the Linux process scheduler and how it runs in the shadows swapping processes in and out of a running state so everyone gets a stab at the CPU. Today we'll go over how the kernel keeps track of time and just what it means to do something in a jiffy.

"Just to recap, last time we saw that every process has a priority assigned to. The scheduler will bump this priority up and down as time goes on and depending on how responsive the process is..."

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