On Sat, 17 Jul 2010, Kostik Belousov wrote:

Note that intr time most likely come from the interrupt threads chewing
the CPU, not from the real interrupt handlers doing something, and definitely
not due to the high interrupt rate, as your vmstat -i output already shown.

Run top in the mode where all system threads are shown separately
(e.g. top -HS seems to do it), then watch what thread eats the processor.

Ok, thanks, I'll definitely do that next time and report the results.


Doug

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