"Over the last week we've been covering how the Linux
multitasking scheduler works. Today it's time to see what Linux has
in common with popular horror flicks: this story has it
all--zombies and zombie children, and a reaper.
"We saw how the priority of any given process changes over time,
both at the request of the user and by the kernel making
adjustments over the lifetime of the process. We discussed how to
see how much time the CPU spends executing your process and how
this can give some hints to finding bottlenecks..."