>From: Simon Burge <simonb@telstra.com.au>
>Date: Wed, 26 Jun 1996 14:52:25 +1000
>Subject: resource usage funnies


>Another thing I've just noticed is that CPU time usage seems a bit
>funny.  Every now and then I see very-large resource usage.  Below is
>the output of a little CPU time waster.  mona is a NetBSD/pmax -current

Notice how the u+s times add up to something plausible?

My guess it's a bug in the code that's used to determine the previous
mode from inside the trap handler.  (maybe it's using the r4000 code
by mistake.)  Anyway, please send a PR so it doesn't get lost.