Support total and per-second task/threadtime timeline metrics

tools/perf/measurements/thread_times_unittest.py

 # Copyright 2014 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 telemetry.core import wpr_modes
 from telemetry import decorators
 from telemetry.page import page
 from telemetry.unittest_util import options_for_unittests
 from telemetry.unittest_util import page_test_test_case
 
@@ skipping 51 matching lines @@
 
     main_thread = "renderer_main"
     expected_trace_categories = ["blink", "cc", "idle"]
     for trace_category in expected_trace_categories:
       value_name = timeline.ThreadDetailResultName(main_thread, trace_category)
       values = results.FindAllPageSpecificValuesNamed(value_name)
       self.assertEquals(len(values), 1)
 
   def testCleanUpTrace(self):
     self.TestTracingCleanedUp(thread_times.ThreadTimes, self._options)
+
+  def testBasicForTotalThreadTime(self):
+    ps = self.CreateEmptyPageSet()
+    ps.AddUserStory(AnimatedPage(ps))
+
+    per_frame=False
+    measurement = thread_times.ThreadTimes(measure_per_frame=per_frame)
+    timeline_options = self._options
+    results = self.RunMeasurement(measurement, ps, options = timeline_options)
+    self.assertEquals(0, len(results.failures))
+
+    for category in timeline.TimelineThreadCategories.values():
+      cpu_time_name = timeline.ThreadCpuTimeResultName(category, per_frame)
+      cpu_time = results.FindAllPageSpecificValuesNamed(cpu_time_name)
+      self.assertEquals(len(cpu_time), 1)