1# Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5import logging, time 6 7from autotest_lib.client.bin import test 8from autotest_lib.client.common_lib.cros import chrome 9from autotest_lib.client.cros import power_rapl, power_status, power_utils 10from autotest_lib.client.cros import service_stopper 11 12 13class power_Idle(test.test): 14 """class for power_Idle test.""" 15 version = 1 16 17 def initialize(self): 18 """Perform necessary initialization prior to test run. 19 20 Private Attributes: 21 _backlight: power_utils.Backlight object 22 _services: service_stopper.ServiceStopper object 23 """ 24 super(power_Idle, self).initialize() 25 self._backlight = None 26 self._services = service_stopper.ServiceStopper( 27 service_stopper.ServiceStopper.POWER_DRAW_SERVICES) 28 self._services.stop_services() 29 30 31 def warmup(self, warmup_time=60): 32 time.sleep(warmup_time) 33 34 35 def run_once(self, idle_time=120, sleep=10): 36 with chrome.Chrome(): 37 self._backlight = power_utils.Backlight() 38 self._backlight.set_default() 39 40 t0 = time.time() 41 self._start_time = t0 42 self._psr = power_utils.DisplayPanelSelfRefresh(init_time=t0) 43 self.status = power_status.get_status() 44 self._stats = power_status.StatoMatic() 45 46 measurements = [] 47 if not self.status.on_ac(): 48 measurements.append( 49 power_status.SystemPower(self.status.battery_path)) 50 if power_utils.has_rapl_support(): 51 measurements += power_rapl.create_rapl() 52 self._plog = power_status.PowerLogger(measurements, 53 seconds_period=sleep) 54 self._tlog = power_status.TempLogger([], seconds_period=sleep) 55 self._plog.start() 56 self._tlog.start() 57 58 for _ in xrange(0, idle_time, sleep): 59 time.sleep(sleep) 60 self.status.refresh() 61 self.status.refresh() 62 self._plog.checkpoint('', self._start_time) 63 self._tlog.checkpoint('', self._start_time) 64 self._psr.refresh() 65 66 def postprocess_iteration(self): 67 keyvals = self._stats.publish() 68 69 # record the current and max backlight levels 70 self._backlight = power_utils.Backlight() 71 keyvals['level_backlight_max'] = self._backlight.get_max_level() 72 keyvals['level_backlight_current'] = self._backlight.get_level() 73 74 # record battery stats if not on AC 75 if self.status.on_ac(): 76 keyvals['b_on_ac'] = 1 77 else: 78 keyvals['b_on_ac'] = 0 79 keyvals['ah_charge_full'] = self.status.battery[0].charge_full 80 keyvals['ah_charge_full_design'] = \ 81 self.status.battery[0].charge_full_design 82 keyvals['ah_charge_now'] = self.status.battery[0].charge_now 83 keyvals['a_current_now'] = self.status.battery[0].current_now 84 keyvals['wh_energy'] = self.status.battery[0].energy 85 keyvals['w_energy_rate'] = self.status.battery[0].energy_rate 86 keyvals['h_remaining_time'] = self.status.battery[0].remaining_time 87 keyvals['v_voltage_min_design'] = \ 88 self.status.battery[0].voltage_min_design 89 keyvals['v_voltage_now'] = self.status.battery[0].voltage_now 90 keyvals.update(self._plog.calc()) 91 92 keyvals.update(self._tlog.calc()) 93 keyvals.update(self._psr.get_keyvals()) 94 logging.debug("keyvals = %s", keyvals) 95 96 self.write_perf_keyval(keyvals) 97 98 99 def cleanup(self): 100 if self._backlight: 101 self._backlight.restore() 102 self._services.restore_services() 103 super(power_Idle, self).cleanup() 104