autolog.rb

require 'awesome_print'
log_methods = [:perform, :dispatch_message]

set_trace_func proc {
  |event, file, line, id, binding, classname|
  if event == "call" #or event == "return"
    if log_methods.include?(id)
      printf "%8s %s:%-2d %10s %8s\n", event, file, line, id, classname

      vars = binding.local_variables
      vars.each do |variable|
        puts "#{classname}##{id}\n\t#{variable} ="
        ap eval(variable.to_s, binding)
      end
    end
  end
}