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 cleanup(self): if self._force_discharge: power_utils.charge_control_by_ectool(True) if self._backlight: self._backlight.restore() if self._services: self._services.restore_services() self._detachable_handler.restore() # cleanup backchannel interface # Prevent wifi congestion in test lab by forcing machines to forget the # wifi AP we connected to at the start of the test. if self._shill_proxy: self._shill_proxy.remove_all_wifi_entries() if self._backchannel: self._backchannel.teardown() if self._browser: self._browser.close() if self._testServer: self._testServer.stop()
def test_power(self): """ Runs the video power consumption test. @return a dictionary that contains the test result. """ self._backlight = power_utils.Backlight() self._backlight.set_level(0) self._power_status = power_status.get_status() self._use_ec = True if not power_utils.charge_control_by_ectool(is_charge=False): logging.warning('Can\'t stop charging') return {} if not self._power_status.battery: raise error.TestFail('No valid battery') # Verify that the battery is sufficiently charged. percent_initial_charge = self._power_status.percent_current_charge() if percent_initial_charge < BATTERY_INITIAL_CHARGED_MIN: logging.warning( 'Initial charge (%f) less than min (%f)', (percent_initial_charge, BATTERY_INITIAL_CHARGED_MIN)) return {} measurements = [ power_status.SystemPower(self._power_status.battery_path) ] def get_power(): power_logger = power_status.PowerLogger(measurements) power_logger.start() start_time = time.time() time.sleep(MEASUREMENT_DURATION) power_logger.checkpoint('result', start_time) keyval = power_logger.calc() return keyval['result_' + measurements[0].domain + '_pwr_avg'] return self.test_decode(get_power)
def run_once(self, test_hours=None, sample_hours=None, max_milliwatts_standby=500, ac_ok=False, force_discharge=False, suspend_state='', bypass_check=False): """Put DUT to suspend state for |sample_hours| and measure power.""" if not power_utils.has_battery(): raise error.TestNAError( 'Skipping test because DUT has no battery.') if test_hours < sample_hours: raise error.TestFail('Test hours must be greater than sample ' 'hours.') # If we're measuring < 6min of standby then the S0 time is not # negligible. Note, reasonable rule of thumb is S0 idle is ~10-20 times # standby power. if sample_hours < self._min_sample_hours and not bypass_check: raise error.TestFail('Must standby more than %.2f hours.' % \ sample_hours) power_stats = power_status.get_status() if not ac_ok and power_stats.on_ac(): raise error.TestError('On AC, please unplug power supply.') if force_discharge: if not power_stats.on_ac(): raise error.TestError('Not on AC, please plug in power supply ' 'to attempt force discharge.') if not power_utils.charge_control_by_ectool(False): raise error.TestError('Unable to force discharge.') self._force_discharge_enabled = True charge_start = power_stats.battery[0].charge_now voltage_start = power_stats.battery[0].voltage_now max_hours = ((charge_start * voltage_start) / (max_milliwatts_standby / 1000.)) if max_hours < test_hours: raise error.TestFail('Battery not charged adequately for test.') suspender = power_suspend.Suspender(self.resultsdir, suspend_state=suspend_state) elapsed_hours = 0 results = {} loop = 0 start_ts = time.time() while elapsed_hours < test_hours: charge_before = power_stats.battery[0].charge_now before_suspend_secs = rtc.get_seconds() suspender.suspend(duration=sample_hours * 3600) after_suspend_secs = rtc.get_seconds() power_stats.refresh() if power_stats.percent_current_charge() < self._percent_min_charge: logging.warning('Battery = %.2f%%. Too low to continue.') break # check that the RTC slept the correct amount of time as there could # potentially be another wake source that would spoil the test. actual_hours = (after_suspend_secs - before_suspend_secs) / 3600.0 percent_diff = math.fabs((actual_hours - sample_hours) / ((actual_hours + sample_hours) / 2) * 100) if percent_diff > 2 and not bypass_check: err = 'Requested standby time and actual varied by %.2f%%.' \ % percent_diff raise error.TestFail(err) # Check resulting charge consumption charge_used = charge_before - power_stats.battery[0].charge_now elapsed_hours += actual_hours logging.debug( 'loop%d done: loop hours %.3f, elapsed hours %.3f ' 'charge used: %.3f', loop, actual_hours, elapsed_hours, charge_used) loop += 1 end_ts = time.time() offset = (end_ts - start_ts - elapsed_hours * 3600) / 2. offset += suspender.get_suspend_delay() start_ts += offset end_ts -= offset power_telemetry_utils.start_measurement(start_ts) power_telemetry_utils.end_measurement(end_ts) self._checkpoint_logger.checkpoint(self.tagged_testname, start_ts, end_ts) charge_end = power_stats.battery[0].charge_now total_charge_used = charge_start - charge_end if total_charge_used <= 0 and not bypass_check: raise error.TestError('Charge used is suspect.') voltage_end = power_stats.battery[0].voltage_now standby_hours = power_stats.battery[0].charge_full_design / \ total_charge_used * elapsed_hours energy_used = (voltage_start + voltage_end) / 2 * \ total_charge_used results['ah_charge_start'] = charge_start results['ah_charge_now'] = charge_end results['ah_charge_used'] = total_charge_used results['force_discharge'] = self._force_discharge_enabled results['hours_standby_time'] = standby_hours results['hours_standby_time_tested'] = elapsed_hours results['v_voltage_start'] = voltage_start results['v_voltage_now'] = voltage_end results['w_energy_rate'] = energy_used / elapsed_hours results['wh_energy_used'] = energy_used self.write_perf_keyval(results) pdash = power_dashboard.SimplePowerLoggerDashboard( end_ts - start_ts, results['w_energy_rate'], self.tagged_testname, start_ts, self.resultsdir, note=self._pdash_note) pdash.upload() self._checkpoint_logger.save_checkpoint_data(self.resultsdir) self.output_perf_value(description='hours_standby_time', value=results['hours_standby_time'], units='hours', higher_is_better=True) self.output_perf_value(description='w_energy_rate', value=results['w_energy_rate'], units='watts', higher_is_better=False) # need to sleep for some time to allow network connection to return time.sleep(10)
def cleanup(self): """Clean up force discharge.""" if self._force_discharge_enabled: power_utils.charge_control_by_ectool(True)
def initialize(self, percent_initial_charge_min=None, check_network=True, loop_time=3600, loop_count=1, should_scroll='true', should_scroll_up='true', scroll_loop='false', scroll_interval_ms='10000', scroll_by_pixels='600', test_low_batt_p=3, verbose=True, force_wifi=False, wifi_ap='', wifi_sec='none', wifi_pw='', wifi_timeout=60, tasks='', volume_level=10, mic_gain=10, low_batt_margin_p=2, ac_ok=False, log_mem_bandwidth=False, gaia_login=None, force_discharge=False, pdash_note=''): """ percent_initial_charge_min: min battery charge at start of test check_network: check that Ethernet interface is not running loop_time: length of time to run the test for in each loop loop_count: number of times to loop the test for should_scroll: should the extension scroll pages should_scroll_up: should scroll in up direction scroll_loop: continue scrolling indefinitely scroll_interval_ms: how often to scoll scroll_by_pixels: number of pixels to scroll each time test_low_batt_p: percent battery at which test should stop verbose: add more logging information force_wifi: should we force to test to run on wifi wifi_ap: the name (ssid) of the wifi access point wifi_sec: the type of security for the wifi ap wifi_pw: password for the wifi ap wifi_timeout: The timeout for wifi configuration volume_level: percent audio volume level mic_gain: percent audio microphone gain level low_batt_margin_p: percent low battery margin to be added to sys_low_batt_p to guarantee test completes prior to powerd shutdown ac_ok: boolean to allow running on AC log_mem_bandwidth: boolean to log memory bandwidth during the test gaia_login: whether real GAIA login should be attempted. If 'None' (default) then boolean is determined from URL. force_discharge: boolean of whether to tell ec to discharge battery even when the charger is plugged in. pdash_note: note of the current run to send to power dashboard. """ self._backlight = None self._services = None self._browser = None self._loop_time = loop_time self._loop_count = loop_count self._mseconds = self._loop_time * 1000 self._verbose = verbose self._sys_low_batt_p = 0. self._sys_low_batt_s = 0. self._test_low_batt_p = test_low_batt_p self._should_scroll = should_scroll self._should_scroll_up = should_scroll_up self._scroll_loop = scroll_loop self._scroll_interval_ms = scroll_interval_ms self._scroll_by_pixels = scroll_by_pixels self._tmp_keyvals = {} self._power_status = None self._force_wifi = force_wifi self._testServer = None self._tasks = tasks.replace(' ','') self._backchannel = None self._shill_proxy = None self._volume_level = volume_level self._mic_gain = mic_gain self._ac_ok = ac_ok self._log_mem_bandwidth = log_mem_bandwidth self._wait_time = 60 self._stats = collections.defaultdict(list) self._force_discharge = force_discharge self._pdash_note = pdash_note if not power_utils.has_battery(): if ac_ok and (power_utils.has_powercap_support() or power_utils.has_rapl_support()): logging.info("Device has no battery but has powercap data.") else: rsp = "Skipping test for device without battery and powercap." raise error.TestNAError(rsp) self._power_status = power_status.get_status() self._tmp_keyvals['b_on_ac'] = self._power_status.on_ac() self._gaia_login = gaia_login if gaia_login is None: self._gaia_login = power_load_util.use_gaia_login() self._username = power_load_util.get_username() self._password = power_load_util.get_password() if not ac_ok: self._power_status.assert_battery_state(percent_initial_charge_min) if force_discharge: if not power_utils.charge_control_by_ectool(False): raise error.TestError('Could not run battery force discharge.') # If force wifi enabled, convert eth0 to backchannel and connect to the # specified WiFi AP. if self._force_wifi: sec_config = None # TODO(dbasehore): Fix this when we get a better way of figuring out # the wifi security configuration. if wifi_sec == 'rsn' or wifi_sec == 'wpa': sec_config = xmlrpc_security_types.WPAConfig( psk=wifi_pw, wpa_mode=xmlrpc_security_types.WPAConfig.MODE_PURE_WPA2, wpa2_ciphers= [xmlrpc_security_types.WPAConfig.CIPHER_CCMP]) wifi_config = xmlrpc_datatypes.AssociationParameters( ssid=wifi_ap, security_config=sec_config, configuration_timeout=wifi_timeout) # If backchannel is already running, don't run it again. self._backchannel = backchannel.Backchannel() if not self._backchannel.setup(): raise error.TestError('Could not setup Backchannel network.') self._shill_proxy = wifi_proxy.WifiProxy() self._shill_proxy.remove_all_wifi_entries() for i in xrange(1,4): raw_output = self._shill_proxy.connect_to_wifi_network( wifi_config.ssid, wifi_config.security, wifi_config.security_parameters, wifi_config.save_credentials, station_type=wifi_config.station_type, hidden_network=wifi_config.is_hidden, discovery_timeout_seconds= wifi_config.discovery_timeout, association_timeout_seconds= wifi_config.association_timeout, configuration_timeout_seconds= wifi_config.configuration_timeout * i) result = xmlrpc_datatypes.AssociationResult. \ from_dbus_proxy_output(raw_output) if result.success: break logging.warn('wifi connect: disc:%d assoc:%d config:%d fail:%s', result.discovery_time, result.association_time, result.configuration_time, result.failure_reason) else: raise error.TestError('Could not connect to WiFi network.') else: # Find all wired ethernet interfaces. ifaces = [ iface for iface in interface.get_interfaces() if (not iface.is_wifi_device() and iface.name.startswith('eth')) ] logging.debug(str([iface.name for iface in ifaces])) for iface in ifaces: if check_network and iface.is_lower_up: raise error.TestError('Ethernet interface is active. ' + 'Please remove Ethernet cable') # record the max backlight level self._backlight = power_utils.Backlight() self._tmp_keyvals['level_backlight_max'] = \ self._backlight.get_max_level() self._services = service_stopper.ServiceStopper( service_stopper.ServiceStopper.POWER_DRAW_SERVICES) self._services.stop_services() self._detachable_handler = power_utils.BaseActivitySimulator() # fix up file perms for the power test extension so that chrome # can access it os.system('chmod -R 755 %s' % self.bindir) # setup a HTTP Server to listen for status updates from the power # test extension self._testServer = httpd.HTTPListener(8001, docroot=self.bindir) self._testServer.run() # initialize various interesting power related stats self._statomatic = power_status.StatoMatic() self._power_status.refresh() self._sys_low_batt_p = float(utils.system_output( 'check_powerd_config --low_battery_shutdown_percent')) self._sys_low_batt_s = int(utils.system_output( 'check_powerd_config --low_battery_shutdown_time')) if self._sys_low_batt_p and self._sys_low_batt_s: raise error.TestError( "Low battery percent and seconds are non-zero.") min_low_batt_p = min(self._sys_low_batt_p + low_batt_margin_p, 100) if self._sys_low_batt_p and (min_low_batt_p > self._test_low_batt_p): logging.warning("test low battery threshold is below system " + "low battery requirement. Setting to %f", min_low_batt_p) self._test_low_batt_p = min_low_batt_p if self._power_status.battery: self._ah_charge_start = self._power_status.battery[0].charge_now self._wh_energy_start = self._power_status.battery[0].energy