Add string representation of a benchmark result.

erp5/util/benchmark/process.py

@@ -104,17 +104,10 @@ class BenchmarkProcess(multiprocessing.Process):
 
       else:
         for stat in result.getCurrentSuiteStatList():
-          mean = stat.mean
-
-          self._logger.info("%s: min=%.3f, mean=%.3f (+/- %.3f), max=%.3f" % \
-                              (stat.full_label,
-                               stat.minimum,
-                               mean,
-                               stat.standard_deviation,
-                               stat.maximum))
+          self._logger.info(str(stat))
 
           if (self._argument_namespace.max_global_average and
-              mean > self._argument_namespace.max_global_average):
+              stat.mean > self._argument_namespace.max_global_average):
             raise RuntimeError("Stopping as mean is greater than maximum "
                                "global average")
 

erp5/util/benchmark/result.py

@@ -53,6 +53,14 @@ class BenchmarkResultStatistic(object):
     self._variance_sum = 0
     self._mean = 0
 
+  def __str__(self):
+    return "%s: min=%.3f, mean=%.3f (+/- %.3f), max=%.3f" % \
+        (self.full_label,
+         self.minimum,
+         self.mean,
+         self.standard_deviation,
+         self.maximum)
+
   def add(self, value):
     if value < 0:
       self.error_sum += 1