Remove var regress/improve monitoring....

log_parser/process_log.py

 #!/usr/bin/python
 # Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Defines various log processors used by buildbot steps.
 
 Current approach is to set an instance of log processor in
 the ProcessLogTestStep implementation and it will call process()
 method upon completion with full data from process stdio.
@@ skipping 248 matching lines @@
     high_perf = (expected['delta'] + 1.5*expected['var'])
     low_perf = (expected['delta'] - 1.5*expected['var'])
     high_var = 1.5*expected['var']
     low_var = 0.5*expected['var']
 
     if actual['delta'] > high_perf:
       self._perf_regress.append(graph_result)
     elif actual['delta'] < low_perf:
       self._perf_improve.append(graph_result)
 
-    if actual['var'] > high_var:
-      self._var_regress.append(graph_result)
-    elif actual['var'] < low_var:
-      self._var_improve.append(graph_result)
-
   def PerformanceChanges(self):
     # Load performance expectations for this test.
     self.LoadPerformanceExpectations()
 
     # Compare actual and expected results.
     for graph_name in self._actual_performance:
       for result_type in self._actual_performance[graph_name]:
         self.ComparePerformance(graph_name, result_type)
 
     return self.PerformanceChangesAsText()
@@ skipping 509 matching lines @@
            FormatFloat(mean),
            FormatFloat(stddev),
            self._JoinWithSpacesAndNewLine(times)))
 
     filename = os.path.join(self._output_dir,
                             '%s_%s.dat' % (self._revision, trace_name))
     file = open(filename, 'w')
     file.write(''.join(file_data))
     file.close()
     os.chmod(filename, READABLE_FILE_PERMISSIONS)