Linked by David Adams on Thu 2nd Oct 2008 17:40 UTC
The Linux Kernel version 2.6.25 introduces a new Linux process sleeping state, TASK_KILLABLE: If a process is sleeping killably in this new state, it works like TASK_UNINTERRUPTIBLE with the bonus that it can respond to fatal signals. This feature is generally an improvement over the existing options -- after all, it is another way to keep from getting stuck with dead processes.
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Member since:
2006-01-02
Your comment has nothing to do with the article except for the first sentence.
On a desktop system, 99% process time is spent in some sort of sleep state (almost always TASK_INTERRUPTABLE) as the processes are waiting on I/O or some event to occur. So yes, they do consume memory but no CPU cycles while sleeping.