def AddResults(self, _, renderer_thread, interaction_records, results):
self.VerifyNonOverlappedRecords(interaction_records)
try:
jank_stats = mainthread_jank_stats.MainthreadJankStats(
renderer_thread, interaction_records)
# TODO(nednguyen): maybe fall back to use wall-time for computing the
# metrics.
except tir_module.NoThreadTimeDataException as e:
#TODO(nednguyen): Report the warning with page_results system.
logging.warning(
'Main thread jank metrics cannot be computed for records %s since '
'trace does not contain thread time data. %s',
repr(interaction_records), repr(e))
return
results.AddValue(
scalar.ScalarValue(
results.current_page,
'responsive-total_big_jank_thread_time',
'ms',
jank_stats.total_big_jank_thread_time,
tir_label=interaction_records[0].label,
improvement_direction=improvement_direction.DOWN))
results.AddValue(
scalar.ScalarValue(
results.current_page,
'responsive-biggest_jank_thread_time',
'ms',
jank_stats.biggest_jank_thread_time,
tir_label=interaction_records[0].label,
improvement_direction=improvement_direction.DOWN))
def testMainthreadJankStats(self):
# [ MessageLoop::RunTask] [MessageLoop::RunTask] [MessagLoop::RunTask]
# 10 100 120 400 450 750
# [ record_1 ] [ record_2 ] [ record_3 ]
# 40 70 120 200 220 900
model = model_module.TimelineModel()
renderer_main = model.GetOrCreateProcess(1).GetOrCreateThread(2)
renderer_main.name = 'CrRendererMain'
# [ MessageLoop::RunTask ]
# 10ms 100ms
renderer_main.BeginSlice('toplevel', 'MessageLoop::RunTask', 12, 10)
renderer_main.EndSlice(120, 100)
# [ MessageLoop::RunTask ]
# 120ms 200ms
renderer_main.BeginSlice('toplevel', 'MessageLoop::RunTask', 115, 120)
renderer_main.EndSlice(410, 400)
# [ MessageLoop::RunTask ]
# 220ms 900ms
renderer_main.BeginSlice('toplevel', 'MessageLoop::RunTask', 477, 450)
renderer_main.EndSlice(772, 750)
model.FinalizeImport(shift_world_to_zero=False)
test_records = [
self.CreateTestRecord('record_1', 10, 80, 40, 70, renderer_main),
self.CreateTestRecord('record_2', 100, 210, 120, 200,
renderer_main),
self.CreateTestRecord('record_3', 215, 920, 220, 900,
renderer_main)
]
stats = mainthread_jank_stats.MainthreadJankStats(
renderer_main, test_records)
# Main thread janks covered by records' ranges are:
# Record 1: (40ms -> 70ms)
# Record 2: (120ms -> 200ms)
# Record 3: (220ms -> 400ms), (450ms -> 750ms)
self.assertEquals(560, stats.total_big_jank_thread_time)
self.assertEquals(300, stats.biggest_jank_thread_time)