def StartRawDisplayFrameRateMeasurement(self):
assert not self._surface_stats_collector
# Clear any leftover data from previous timed out tests
self._raw_display_frame_rate_measurements = []
self._surface_stats_collector = \
surface_stats_collector.SurfaceStatsCollector(self._device)
self._surface_stats_collector.Start()
def main(argv):
parser = optparse.OptionParser(usage='Usage: %prog [options]',
description=__doc__)
parser.add_option('-v',
'--verbose',
dest='verbose_count',
default=0,
action='count',
help='Verbose level (multiple times for more)')
parser.add_option('--device',
help='Serial number of device we should use.')
parser.add_option(
'-f',
'--fields',
dest='fields',
default='jank_count,max_frame_delay,avg_surface_fps,'
'frame_lengths',
help='Comma separated list of fields to display or "all".')
parser.add_option('-d',
'--delay',
dest='delay',
default=1,
type='float',
help='Time in seconds to sleep between updates.')
options, _ = parser.parse_args(argv)
run_tests_helper.SetLogLevel(options.verbose_count)
device = device_utils.DeviceUtils(options.device)
collector = surface_stats_collector.SurfaceStatsCollector(device)
collector.DisableWarningAboutEmptyData()
fields = options.fields.split(',')
row_count = None
try:
collector.Start()
while True:
time.sleep(options.delay)
results = collector.SampleResults()
results = _MergeResults(results, fields)
if not results:
continue
terminal_height = _GetTerminalHeight()
if row_count is None or (terminal_height
and row_count >= terminal_height - 3):
_PrintColumnTitles(results)
row_count = 0
_PrintResults(results)
row_count += 1
except KeyboardInterrupt:
sys.exit(0)
finally:
collector.Stop()