Why is intr taking up so much cpu?

[Doug Barton]

On Sun, 18 Jul 2010, Kostik Belousov wrote:

> When intr time starts accumulating again, try to do
> "procstat -kk <intr process pid>" and correlate the clock thread tid
> with the backtrace. Might be, it helps to guess what callouts are eating
> the CPU.

Ok, I thought I was going to be able to do this easily but I didn't 
realize that the numbers in the second column were thread ids, and I 
don't know how to "correlate the clock thread tid with the backtrace." 
Can you give me a hint? :)


Doug

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