dom0 kernel profiling on Xen

[Thor Lancelot Simon <tls%panix.com@localhost>]

Before I dig into this too much -- is this expected to work?  I'm at wits'
end trying to track down the consumer of 50-80% "interrupt" time under I/O
load on my dom0 elsewise.

-- 
  Thor Lancelot Simon	                                     tls%panix.com@localhost

  "We cannot usually in social life pursue a single value or a single moral
   aim, untroubled by the need to compromise with others."      - H.L.A. Hart