def initialize(self, seconds_period=20., pdash_note=''): """Perform necessary initialization prior to power test run. @param seconds_period: float of probing interval in seconds. @param pdash_note: note of the current run to send to power dashboard. @var backlight: power_utils.Backlight object. @var keyvals: dictionary of result keyvals. @var status: power_status.SysStat object. @var _checkpoint_logger: power_status.CheckpointLogger to track checkpoint data. @var _plog: power_status.PowerLogger object to monitor power. @var _psr: power_utils.DisplayPanelSelfRefresh object to monitor PSR. @var _services: service_stopper.ServiceStopper object. @var _start_time: float of time in seconds since Epoch test started. @var _stats: power_status.StatoMatic object. @var _tlog: power_status.TempLogger object to monitor temperatures. @var _clog: power_status.CPUStatsLogger object to monitor CPU(s) frequencies and c-states. @var _meas_logs: list of power_status.MeasurementLoggers """ super(power_Test, self).initialize() self.backlight = power_utils.Backlight() self.backlight.set_default() self.keyvals = dict() self.status = power_status.get_status() self._checkpoint_logger = power_status.CheckpointLogger() measurements = [] if not self.status.on_ac(): measurements.append( power_status.SystemPower(self.status.battery_path)) if power_utils.has_powercap_support(): measurements += power_rapl.create_powercap() elif power_utils.has_rapl_support(): measurements += power_rapl.create_rapl() self._plog = power_status.PowerLogger( measurements, seconds_period=seconds_period, checkpoint_logger=self._checkpoint_logger) self._psr = power_utils.DisplayPanelSelfRefresh() self._services = service_stopper.ServiceStopper( service_stopper.ServiceStopper.POWER_DRAW_SERVICES) self._services.stop_services() self._stats = power_status.StatoMatic() self._tlog = power_status.TempLogger( [], seconds_period=seconds_period, checkpoint_logger=self._checkpoint_logger) self._clog = power_status.CPUStatsLogger( seconds_period=seconds_period, checkpoint_logger=self._checkpoint_logger) self._meas_logs = [self._plog, self._tlog, self._clog] self._pdash_note = pdash_note
def run_once(self, idle_time=120, sleep=10, bt_warmup_time=20): """Collect power stats when bluetooth adapter is on or off. """ with chrome.Chrome(): self._backlight = power_utils.Backlight() self._backlight.set_default() t0 = time.time() self._start_time = t0 self._psr = power_utils.DisplayPanelSelfRefresh(init_time=t0) self.status = power_status.get_status() self._stats = power_status.StatoMatic() measurements = [] if not self.status.on_ac(): measurements.append( power_status.SystemPower(self.status.battery_path)) if power_utils.has_powercap_support(): measurements += power_rapl.create_powercap() elif power_utils.has_rapl_support(): measurements += power_rapl.create_rapl() self._plog = power_status.PowerLogger(measurements, seconds_period=sleep) self._tlog = power_status.TempLogger([], seconds_period=sleep) self._plog.start() self._tlog.start() for _ in xrange(0, idle_time, sleep): time.sleep(sleep) self.status.refresh() self.status.refresh() self._plog.checkpoint('bluetooth_adapter_off', self._start_time) self._tlog.checkpoint('', self._start_time) self._psr.refresh() # Turn on bluetooth adapter. bt_device = bluetooth_device_xmlrpc_server \ .BluetoothDeviceXmlRpcDelegate() # If we cannot start bluetoothd, fail gracefully and still write # data with bluetooth adapter off to file, as we are interested in # just that data too. start_bluetoothd() already logs the error so # not logging any error here. if not bt_device.start_bluetoothd(): return if not bt_device.set_powered(True): logging.warning("Cannot turn on bluetooth adapter.") return time.sleep(bt_warmup_time) if not bt_device._is_powered_on(): logging.warning("Bluetooth adapter is off.") return t1 = time.time() time.sleep(idle_time) self._plog.checkpoint('bluetooth_adapter_on', t1) bt_device.set_powered(False) bt_device.stop_bluetoothd()
def run_once(self, seconds=200, sleep=10): status = power_status.get_status() if status.on_ac(): logging.warning('AC power is online -- ' 'unable to monitor energy consumption') return # If powerd is running, stop it, so that it cannot interfere with the # backlight adjustments in this test. if utils.system_output('status powerd').find('start/running') != -1: powerd_running = True utils.system_output('stop powerd') else: powerd_running = False start_energy = status.battery[0].energy self._tlog = power_status.TempLogger([], seconds_period=sleep) self._tlog.start() # Let the test run for i in range(0, seconds, sleep): time.sleep(sleep) status.refresh() status.refresh() end_energy = status.battery[0].energy consumed_energy = start_energy - end_energy energy_rate = consumed_energy * 60 * 60 / seconds keyvals = self._tlog.calc() keyvals['wh_energy_full'] = status.battery[0].energy_full keyvals['wh_start_energy'] = start_energy keyvals['wh_end_energy'] = end_energy keyvals['wh_consumed_energy'] = consumed_energy keyvals['w_average_energy_rate'] = energy_rate keyvals['w_end_energy_rate'] = status.battery[0].energy_rate self.write_perf_keyval(keyvals) # Restore powerd if it was originally running. if powerd_running: utils.system_output('start powerd')
def run_once(self): status = power_status.get_status() statomatic = power_status.StatoMatic() meas = [power_status.SystemPower(status.battery_path)] plog = power_status.PowerLogger(meas, seconds_period=1) tlog = power_status.TempLogger(None, seconds_period=1) plog.start() tlog.start() time.sleep(2) logging.info("battery_energy: %f" % status.battery[0].energy) logging.info("linepower_online: %s" % status.on_ac()) keyvals = plog.calc() keyvals.update(tlog.calc()) keyvals.update(statomatic.publish()) for k in sorted(keyvals.keys()): logging.info("%s: %s", k, keyvals[k]) plog.save_results(self.resultsdir) tlog.save_results(self.resultsdir)
def run_once(self): """Test main loop.""" t0 = time.time() # record the PSR related info. psr = power_utils.DisplayPanelSelfRefresh(init_time=t0) try: self._keyboard_backlight = power_utils.KbdBacklight() self._set_keyboard_backlight_level() except power_utils.KbdBacklightException as e: logging.info("Assuming no keyboard backlight due to :: %s", str(e)) self._keyboard_backlight = None measurements = [] if self._power_status.battery: measurements += \ [power_status.SystemPower(self._power_status.battery_path)] if power_utils.has_powercap_support(): measurements += power_rapl.create_powercap() elif power_utils.has_rapl_support(): measurements += power_rapl.create_rapl() self._checkpoint_logger = power_status.CheckpointLogger() self._plog = power_status.PowerLogger(measurements, seconds_period=20, checkpoint_logger=self._checkpoint_logger) self._tlog = power_status.TempLogger([], seconds_period=20, checkpoint_logger=self._checkpoint_logger) self._clog = power_status.CPUStatsLogger( seconds_period=20, checkpoint_logger=self._checkpoint_logger) self._meas_logs = [self._plog, self._tlog, self._clog] for log in self._meas_logs: log.start() if self._log_mem_bandwidth: self._mlog = memory_bandwidth_logger.MemoryBandwidthLogger( raw=False, seconds_period=2) self._mlog.start() # record start time and end time for each task self._task_tracker = [] ext_path = os.path.join(os.path.dirname(__file__), 'extension') self._tmp_keyvals['username'] = self._username arc_mode = arc_common.ARC_MODE_DISABLED if utils.is_arc_available(): arc_mode = arc_common.ARC_MODE_ENABLED try: self._browser = chrome.Chrome(extension_paths=[ext_path], gaia_login=self._gaia_login, username=self._username, password=self._password, arc_mode=arc_mode) except exceptions.LoginException: # already failed guest login if not self._gaia_login: raise self._gaia_login = False logging.warn("Unable to use GAIA acct %s. Using GUEST instead.\n", self._username) self._browser = chrome.Chrome(extension_paths=[ext_path], gaia_login=self._gaia_login) if not self._gaia_login: self._tmp_keyvals['username'] = '******' extension = self._browser.get_extension(ext_path) for k in params_dict: if getattr(self, params_dict[k]) is not '': extension.ExecuteJavaScript('var %s = %s;' % (k, getattr(self, params_dict[k]))) # This opens a trap start page to capture tabs opened for first login. # It will be closed when startTest is run. extension.ExecuteJavaScript('chrome.windows.create(null, null);') for i in range(self._loop_count): start_time = time.time() extension.ExecuteJavaScript('startTest();') # the power test extension will report its status here latch = self._testServer.add_wait_url('/status') # this starts a thread in the server that listens to log # information from the script script_logging = self._testServer.add_wait_url(url='/log') # dump any log entry that comes from the script into # the debug log self._testServer.add_url_handler(url='/log',\ handler_func=(lambda handler, forms, loop_counter=i:\ _extension_log_handler(handler, forms, loop_counter))) pagetime_tracking = self._testServer.add_wait_url(url='/pagetime') self._testServer.add_url_handler(url='/pagetime',\ handler_func=(lambda handler, forms, test_instance=self, loop_counter=i:\ _extension_page_time_info_handler(handler, forms, loop_counter, test_instance))) # setup a handler to simulate waking up the base of a detachable # on user interaction. On scrolling, wake for 1s, on page # navigation, wake for 10s. self._testServer.add_url(url='/pagenav') self._testServer.add_url(url='/scroll') self._testServer.add_url_handler(url='/pagenav', handler_func=(lambda handler, args, plt=self: plt._detachable_handler.wake_base(10000))) self._testServer.add_url_handler(url='/scroll', handler_func=(lambda handler, args, plt=self: plt._detachable_handler.wake_base(1000))) # reset backlight level since powerd might've modified it # based on ambient light self._set_backlight_level() self._set_lightbar_level() if self._keyboard_backlight: self._set_keyboard_backlight_level() audio_helper.set_volume_levels(self._volume_level, self._mic_gain) low_battery = self._do_wait(self._verbose, self._loop_time, latch) script_logging.set() pagetime_tracking.set() self._log_loop_checkpoint(i, start_time, time.time()) if self._verbose: logging.debug('loop %d completed', i) if low_battery: logging.info('Exiting due to low battery') break # done with logging from the script, so we can collect that thread t1 = time.time() psr.refresh() self._tmp_keyvals['minutes_battery_life_tested'] = (t1 - t0) / 60 self._tmp_keyvals.update(psr.get_keyvals())