| # 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. |
| |
| from autotest_lib.client.bin import test, utils |
| from autotest_lib.client.cros 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): |
| meminfo = utils.read_file('/proc/meminfo') |
| free_kb = int(utils.get_field(meminfo, 0, 'MemFree:')) |
| inactive_kb = int(utils.get_field(meminfo, 0, 'Inactive:')) |
| slack_kb = 192 * 1024 |
| size = (free_kb + inactive_kb - slack_kb) * 1024 |
| for _ in range(num_suspends): |
| sys_power.memory_suspend(10, size) |
| |
| |
| def cleanup(self): |
| utils.system('start ui') |
