| # 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, errno, shutil, os |
| from autotest_lib.client.bin import test, utils |
| from autotest_lib.client.cros import rtc, sys_power |
| from autotest_lib.client.common_lib import error |
| |
| SYSFS_CONSOLE_SUSPEND = '/sys/module/printk/parameters/console_suspend' |
| |
| class power_NoConsoleSuspend(test.test): |
| """Test suspend/resume with no_console_suspend option set.""" |
| |
| version = 1 |
| |
| def initialize(self): |
| # Save & disable console_suspend module param |
| self.old_console_suspend = utils.read_file(SYSFS_CONSOLE_SUSPEND) |
| utils.write_one_line(SYSFS_CONSOLE_SUSPEND, 'N') |
| |
| def run_once(self): |
| sys_power.kernel_suspend(10) |
| |
| def cleanup(self): |
| # Restore old console_suspend module param |
| logging.info('restoring value for console_suspend: %s', |
| self.old_console_suspend) |
| utils.open_write_close(SYSFS_CONSOLE_SUSPEND, self.old_console_suspend) |
