@trace = (
  { pid => 1,    command = '/sbin/init' },
  { pid => 7184, command = '/usr/bin/java' },
  { pid => 7507, command = '/bin/sh' },
  { pid => 7508, command = '/usr/bin/perl' },
  { pid => 7515, command = 'sh' },
  { pid => 7516, command = '<defunct>' },
);