31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import logging, errno, shutil, os
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from autotest_lib.client.bin import test, utils
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from autotest_lib.client.common_lib import error
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from autotest_lib.client.cros import rtc
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from autotest_lib.client.cros.power import sys_power
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SYSFS_CONSOLE_SUSPEND = '/sys/module/printk/parameters/console_suspend'
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class power_NoConsoleSuspend(test.test):
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"""Test suspend/resume with no_console_suspend option set."""
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version = 1
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def initialize(self):
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# Save & disable console_suspend module param
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self.old_console_suspend = utils.read_file(SYSFS_CONSOLE_SUSPEND)
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utils.write_one_line(SYSFS_CONSOLE_SUSPEND, 'N')
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def run_once(self):
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sys_power.kernel_suspend(10)
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def cleanup(self):
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# Restore old console_suspend module param
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logging.info('restoring value for console_suspend: %s',
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self.old_console_suspend)
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utils.open_write_close(SYSFS_CONSOLE_SUSPEND, self.old_console_suspend)
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