| # Copyright (c) 2010 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.cros import power_status |
| |
| |
| class power_Draw(test.test): |
| version = 1 |
| |
| |
| def run_once(self, seconds=200): |
| status = power_status.get_status() |
| if status.linepower[0].online: |
| logging.warn('AC power is online -- ' |
| 'unable to monitor energy consumption') |
| return |
| |
| start_energy = status.battery[0].energy |
| |
| # Let the test run |
| time.sleep(seconds) |
| |
| status.refresh() |
| end_energy = status.battery[0].energy |
| |
| consumed_energy = start_energy - end_energy |
| energy_rate = consumed_energy * 60 * 60 / seconds |
| |
| keyvals = {} |
| 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) |
