Extension profile generator + benchmark for startup with profile.

tools/perf/benchmarks/start_with_ext.py

Index: tools/perf/benchmarks/start_with_ext.py
diff --git a/tools/perf/benchmarks/start_with_ext.py b/tools/perf/benchmarks/start_with_ext.py
new file mode 100644
index 0000000000000000000000000000000000000000..dbe537e274e211c0cddbb5a407dc5b7b7707ea18
--- /dev/null
+++ b/tools/perf/benchmarks/start_with_ext.py
@@ -0,0 +1,52 @@
+# Copyright 2015 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.
+
+from core import perf_benchmark
+from measurements import startup
+import page_sets
+from telemetry import benchmark
+
+
+class _StartWithExt(perf_benchmark.PerfBenchmark):
+  """Base Benchmark for testing startup with extensions.  """

[erikchen, 2015/07/14 23:36:14]

extra whitespace after "."

[sydli, 2015/07/15 22:56:23]

Done.

+  page_set = page_sets.BlankPageSetWithExtensionProfile
+  tag = None
+
+  @classmethod
+  def Name(cls):
+    return 'start_with_ext.blank_page'
+
+  @classmethod
+  def ValueCanBeAddedPredicate(cls, _, is_first_result):
+    return not is_first_result
+
+  def SetExtraBrowserOptions(self, options):
+    options.disable_default_apps = False
+
+  def CreatePageTest(self, _):
+    is_cold = (self.tag == 'cold')
+    return startup.Startup(cold=is_cold)
+
+
+@benchmark.Enabled('has tabs')
+class StartWithExtCold(_StartWithExt):
+  """Measure time to start Chrome cold with extensions"""

[erikchen, 2015/07/14 23:36:14]

period at end of sentence. ditto on line 45.

[sydli, 2015/07/15 22:56:23]

Done.

+  options = {'pageset_repeat': 5}
+  tag = 'cold'
+
+  @classmethod
+  def Name(cls):
+      return 'start_with_ext.cold.blank_page'
+
+
+@benchmark.Enabled('has tabs')
+class StartWithExtWarm(_StartWithExt):
+  """Measure time to start Chrome warm with extensions"""
+  options = {'pageset_repeat': 20}
+  tag = 'warm'
+
+  @classmethod
+  def Name(cls):
+      return 'start_with_ext.warm.blank_page'
+