| # 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. |
| |
| from autotest_lib.client.bin import test |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros import power_suspend |
| |
| |
| # In cases like crosbug.com/p/26289, we want results, but also want |
| # to make sure we are suspending quickly enough. Retry with this amount |
| # of extra suspend time to make sure we can get some results, even |
| # if we throw a warning. |
| EXTRA_TIME = 10 |
| |
| |
| class power_Resume(test.test): |
| version = 1 |
| preserve_srcdir = True |
| |
| def initialize(self): |
| self._suspender = power_suspend.Suspender(self.resultsdir, |
| throw=True, device_times=True) |
| |
| |
| def run_once(self, max_devs_returned=10, seconds=0): |
| try: |
| self._suspend_once(max_devs_returned, seconds) |
| except error.TestWarn: |
| self._suspend_once(max_devs_returned, seconds + EXTRA_TIME) |
| raise |
| |
| |
| def _suspend_once(self, max_devs_returned, seconds): |
| (results, device_times) = self._suspender.suspend(seconds) |
| |
| # return as keyvals the slowest n devices |
| slowest_devs = sorted( |
| device_times, |
| key=device_times.get, |
| reverse=True)[:max_devs_returned] |
| for dev in slowest_devs: |
| results[dev] = device_times[dev] |
| |
| self.output_perf_value(description='system_suspend', |
| value=results['seconds_system_suspend'], |
| units='sec', higher_is_better=False) |
| self.output_perf_value(description='system_resume', |
| value=results['seconds_system_resume'], |
| units='sec', higher_is_better=False) |
| self.write_perf_keyval(results) |