Detect perf regressions and speedups automatically....

factory/chromium_commands.py

 #!/usr/bin/python
 # Copyright (c) 2006-2009 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.
 
 """Set of utilities to add commands to a buildbot factory.
 
 This is based on commands.py and adds chromium-specific commands."""
 
 import os
@@ skipping 387 matching lines @@
 
   def AddCheckDepsStep(self):
     cmd = [self._python, self._check_deps_tool,
            '--root', self._repository_root]
     self.AddTestStep(shell.ShellCommand, 'check deps', cmd)
 
   def GetPageCyclerTestClass(self, perf_id, test_name, show_results, http):
     """Selects the right build step for the specified page-cycler test."""
     report_link = None
     output_dir = None
+    perf_name = None
     if show_results and self._target in self.PAGECYCLER_TEST_MAPPINGS:
       mapping = self.PAGECYCLER_TEST_MAPPINGS[self._target]
       dir_name = mapping.get(perf_id)
       if dir_name:
         if http:
           test_name += '-http'
+        perf_name = '%s/%s' % (dir_name, test_name)
         report_link = (self.PERF_BASE_URL +
                        '/%s/%s/' % (dir_name, test_name) +
                        self.PERF_REPORT_URL_SUFFIX)
         output_dir = '%s/%s/%s' % (self.PERF_OUTPUT_DIR, dir_name, test_name)
       else:
         raise Exception, ('There is no mapping for identifier %s in %s' %
                             (perf_id, self._target))
 
     return self._CreatePerformanceStepClass(
         process_log.GraphingPageCyclerLogProcessor,
         report_link=report_link,
-        output_dir=output_dir)
+        output_dir=output_dir,
+        perf_name=perf_name)
 
   def GetPageCyclerCommand(self, test_name, http):
     """Returns a command list to call the _test_tool on the page_cycler
     executable, with the appropriate GTest filter and additional arguments.
     """
     cmd = [self._python, self._test_tool,
            '--target', self._target,
            '--build-dir', self._build_dir]
     if http:
       test_type = 'Http'
@@ skipping 413 matching lines @@
 
     url = '%s/%s/%s' %  (self._archive_url, 'coverage', perf_subdir)
     text = 'view coverage'
     cmd_archive = [self._python, self._archive_coverage,
            '--target', self._target,
            '--build-dir', self._build_dir,
            '--perf-subdir', perf_subdir]
 
     self.AddArchiveStep(data_description='coverage', base_url=url,
                         link_text=text, command=cmd_archive)