Ver por onde o código bate

inspect.rb

@trace = []
set_trace_func proc { |event, file, line, id, binding, classname|
  if event == 'call' && ( file.index('/app/') || file.index('gaia') )
    @trace << { number: @trace.count, event: event, file: file, line: line, method_name: id, classname: classname.to_s }
  end
}

# Code you want to inspect         

set_trace_func nil
File.open('inspected_instructions', 'w+') { |f| f.write(@trace.to_json) }