Messages in this thread | | | Date | Wed, 6 Mar 2002 17:06:14 -0300 (BRT) | From | Rik van Riel <> | Subject | Re: getting process i/o wasted time ... |
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On Wed, 6 Mar 2002, Richard B. Johnson wrote:
> Time for I/O is not generally "wasted" as you say. It is given to > other tasks. Of course if there are no other tasks that want the > CPU then, I guess, you could call it wasted.
I guess it may be useful to measure IO wait time in the kernel, where IO wait time is defined as:
1) a CPU is idle
2) there are processes in D state
regards,
Rik -- "Linux holds advantages over the single-vendor commercial OS" -- Microsoft's "Competing with Linux" document
http://www.surriel.com/ http://distro.conectiva.com/
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