def test_cpu_usage(self, local_path):
"""
Runs the video cpu usage test.
@param local_path: the path to the video file.
@return a dictionary that contains the test result.
"""
def get_cpu_usage(cr):
time.sleep(STABILIZATION_DURATION)
cpu_usage_start = site_utils.get_cpu_usage()
time.sleep(MEASUREMENT_DURATION)
cpu_usage_end = site_utils.get_cpu_usage()
return site_utils.compute_active_cpu_time(cpu_usage_start,
cpu_usage_end) * 100
if not utils.wait_for_idle_cpu(WAIT_FOR_IDLE_CPU_TIMEOUT,
CPU_IDLE_USAGE):
raise error.TestError('Could not get idle CPU.')
if not utils.wait_for_cool_machine():
raise error.TestError('Could not get cool machine.')
# Stop the thermal service that may change the cpu frequency.
services = service_stopper.ServiceStopper(THERMAL_SERVICES)
services.stop_services()
# Set the scaling governor to performance mode to set the cpu to the
# highest frequency available.
original_governors = utils.set_high_performance_mode()
try:
return self.test_webrtc(local_path, get_cpu_usage)
finally:
services.restore_services()
utils.restore_scaling_governor_states(original_governors)
def __exit__(self, type, value, tb):
if self._service_stopper:
self._service_stopper.restore_services()
self._service_stopper = None
if self._original_governors:
utils.restore_scaling_governor_states(self._original_governors)
self._original_governors = None
def cleanup(self):
if self._backlight:
self._backlight.restore()
if self._service_stopper:
self._service_stopper.restore_services()
if self._original_governors:
utils.restore_scaling_governor_states(self._original_governors)
super(video_WebRtcPerf, self).cleanup()
def cleanup(self):
# cleanup() is run by common_lib/test.py.
if self._backlight:
self._backlight.restore()
if self._service_stopper:
self._service_stopper.restore_services()
if self._original_governors:
utils.restore_scaling_governor_states(self._original_governors)
super(video_PlaybackPerf, self).cleanup()
def cleanup(self):
"""Autotest cleanup function
It is run by common_lib/test.py.
"""
if self._backlight:
self._backlight.restore()
if self._service_stopper:
self._service_stopper.restore_services()
if self._original_governors:
utils.restore_scaling_governor_states(self._original_governors)
if self._use_ec:
power_utils.charge_control_by_ectool(is_charge=True)
super(video_JDAPerf, self).cleanup()
def __exit__(self, _type, value, traceback):
# First thing restart thermal management.
self._restore_thermal_throttling()
utils.restore_scaling_governor_states(self._original_governors)
