“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…”