code: def output_after_run_set(self, runSet, cputime=None, walltime=None, energy={}):
          
  
          self.add_values_to_run_set_xml(runSet, cputime, walltime, energy)
  
          # write results to files
          self._write_pretty_result_xml_to_file(runSet.xml, runSet.xml_file_name)
  
          if len(runSet.blocks) > 1:
              for block in runSet.blocks:
                  blockFileName = self.get_filename(runSet.name, block.name + ".xml")
                  self._write_pretty_result_xml_to_file(
                      self.runs_to_xml(runSet, block.runs, block.name),
                      blockFileName)
  
          self.txt_file.append(self.run_set_to_text(runSet, True, cputime, walltime, energy))
docs: The method output_after_run_set() stores the times of a run set in XML.
          @params cputime, walltime: accumulated times of the run set