Added GPU performance metrics.

tools/perf/measurements/gpu_times_unittest.py

+# 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 measurements import gpu_times
+from metrics import gpu_timeline
+from telemetry import decorators
+from telemetry.core import wpr_modes
+from telemetry.unittest_util import options_for_unittests
+from telemetry.unittest_util import page_test_test_case
+
+
+class GPUTimesUnitTest(page_test_test_case.PageTestTestCase):
+  def setUp(self):
+    self._options = options_for_unittests.GetCopy()
+    self._options.browser_options.wpr_mode = wpr_modes.WPR_OFF
+
+  def _testResultNameExists(self, results, name):
+    self.assertEquals(len(results.FindAllPageSpecificValuesNamed(
+        name + '_max')), 1, msg='Could not find value: %s_max' % name)
+    self.assertEquals(len(results.FindAllPageSpecificValuesNamed(
+        name + '_avg')), 1, msg='Could not find value: %s_avg' % name)
+    self.assertEquals(len(results.FindAllPageSpecificValuesNamed(
+        name + '_stddev')), 1, msg='Could not find value: %s_stddev' % name)
+
+  def _testGPUResultNameExists(self, results, name):
+    self._testResultNameExists(results, name + "_service")
+
+  def testBasic(self):
+    ps = self.CreatePageSetFromFileInUnittestDataDir('scrollable_page.html')
+    measurement = gpu_times.GPUTimes()
+    timeline_options = self._options
+    results = self.RunMeasurement(measurement, ps, options = timeline_options)
+    self.assertEquals(0, len(results.failures))
+
+    self._testResultNameExists(results, 'total_frame')
+    self._testGPUResultNameExists(results, 'total_gpu')
+    for name in gpu_timeline.TRACKED_NAMES.itervalues():
+      self._testGPUResultNameExists(results, name)
+
+  def testCleanUpTrace(self):
+    self.TestTracingCleanedUp(gpu_times.GPUTimes, self._options)