def file_path(type = nil, suffix = '.dat')
      name = self.case.class.benchmark_name.dup
      name << '#' << short_name
      type and name << '-' << type
      name << suffix
      File.expand_path(name, self.case.class.output_dir)
    end
def file_path(type = nil, suffix = '.dat')
      name = self.case.class.benchmark_name.dup
      name << '#' << short_name
      type and name << '-' << type
      name << suffix
      File.expand_path(name, self.case.class.output_dir)
    end
Return the file name for +type+ with +suffix+ (if any) for this clock.