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This is the comment you were replying to, attached to the weblog Interpreting vmstat's wait stats on linux 2.6


Re: Interpreting vmstat's wait stats on linux 2.6
Posted by Anonymous (66.190.xx.xx) on Wed 14 Feb 2007 at 05:26
Start top, hit 'f' (add field), 'y' (WCHAN: "sleeping in function")

I'm not sure exactly what the names refer to these days; when I first discovered this, it was always what *kernel* function the process was blocking in.

This is per-process, and I'm not exactly sure how it reflects into the cpu stats, because a process that is "waiting" is not eligible to be active on the cpu.

Hopefully, this is helpful. If you do figure out what it means, please post the info.


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