def METHOD_NAME(benchmark_spec):
  """Runs cloudharmony iperf and reports the results."""
  cloud_harmony_metadata = _Run(benchmark_spec)
  samples = cloud_harmony_util.GetMetadataSamples(cloud_harmony_metadata)
  # format pkb-style samples
  for result_row in cloud_harmony_metadata:
    for metric in _CLOUDHARMONY_IPERF_METRICS:
      samples.append(
          sample.Sample(metric, result_row[metric], _GetMetricUnit(metric),
                        result_row))
  return samples