blob: 39d884346eba60ce28590674cb4d7a5b165de6a5 [file] [log] [blame]
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging, time
from autotest_lib.client.bin import test
from autotest_lib.client.common_lib.cros import chrome
from autotest_lib.client.cros import power_rapl, power_status, power_utils
from autotest_lib.client.cros import service_stopper
class power_Idle(test.test):
version = 1
def initialize(self):
"""Perform necessary initialization prior to test run.
Private Attributes:
_backlight: power_utils.Backlight object
_services: service_stopper.ServiceStopper object
"""
super(power_Idle, self).initialize()
self._backlight = None
self._services = None
def warmup(self, warmup_time=60):
time.sleep(warmup_time)
def run_once(self, idle_time=120, sleep=10):
with chrome.Chrome():
self._services = service_stopper.ServiceStopper(
service_stopper.ServiceStopper.POWER_DRAW_SERVICES)
self._services.stop_services()
self._backlight = power_utils.Backlight()
self._backlight.set_default()
self._start_time = time.time()
self.status = power_status.get_status()
self._stats = power_status.StatoMatic()
measurements = []
if not self.status.linepower[0].online:
measurements.append(
power_status.SystemPower(self.status.battery_path))
if 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('', self._start_time)
self._tlog.checkpoint('', self._start_time)
def postprocess_iteration(self):
keyvals = self._stats.publish()
# record the current and max backlight levels
self._backlight = power_utils.Backlight()
keyvals['level_backlight_max'] = self._backlight.get_max_level()
keyvals['level_backlight_current'] = self._backlight.get_level()
# record battery stats if not on AC
if self.status.linepower[0].online:
keyvals['b_on_ac'] = 1
else:
keyvals['b_on_ac'] = 0
keyvals['ah_charge_full'] = self.status.battery[0].charge_full
keyvals['ah_charge_full_design'] = \
self.status.battery[0].charge_full_design
keyvals['ah_charge_now'] = self.status.battery[0].charge_now
keyvals['a_current_now'] = self.status.battery[0].current_now
keyvals['wh_energy'] = self.status.battery[0].energy
keyvals['w_energy_rate'] = self.status.battery[0].energy_rate
keyvals['h_remaining_time'] = self.status.battery[0].remaining_time
keyvals['v_voltage_min_design'] = \
self.status.battery[0].voltage_min_design
keyvals['v_voltage_now'] = self.status.battery[0].voltage_now
keyvals.update(self._plog.calc())
keyvals.update(self._tlog.calc())
logging.debug("keyvals = %s", keyvals)
self.write_perf_keyval(keyvals)
def cleanup(self):
if self._backlight:
self._backlight.restore()
if self._services:
self._services.restore_services()
super(power_Idle, self).cleanup()