| # Copyright (c) 2013 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 |
| from autotest_lib.client.bin import test, utils |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros.power import sys_power |
| |
| class power_MemorySuspend(test.test): |
| """Suspend the system via memory_suspend_test.""" |
| |
| version = 1 |
| |
| def initialize(self): |
| utils.system('stop ui', ignore_status=True) |
| |
| |
| def run_once(self, num_suspends=1, max_spurious_wakeup_ratio=0.01): |
| spurious_wakeup_count = 0 |
| max_spurious_wakeup = num_suspends * max_spurious_wakeup_ratio |
| |
| for _ in range(num_suspends): |
| try: |
| sys_power.memory_suspend(10) |
| except sys_power.SpuriousWakeupError: |
| spurious_wakeup_count += 1 |
| if spurious_wakeup_count > max_spurious_wakeup: |
| raise error.TestFail('Too many SpuriousWakeupError.') |
| |
| if spurious_wakeup_count > 0: |
| logging.info("Have %d SpuriousWakeupError", spurious_wakeup_count) |
| |
| keyval = { 'numSpuriousWakeupError' : spurious_wakeup_count } |
| self.write_perf_keyval(keyval) |
| |
| def cleanup(self): |
| utils.system('start ui') |