blob: 90ff9f22a57787bde12659d5bd9205273f1427ee [file] [log] [blame]
# 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
import os
import time
from autotest_lib.client.bin import test
from autotest_lib.client.common_lib import error
from autotest_lib.client.cros import rtc
from autotest_lib.client.cros.power import sys_power
def read_rtc_wakeup(rtc_device):
Read the wakeup setting for for the RTC device.
sysfs_path = '/sys/class/rtc/%s/device/power/wakeup' % rtc_device
if os.path.isfile(sysfs_path):
return file(sysfs_path).read().strip()
def read_rtc_wakeup_active_count(rtc_device):
Read the current wakeup active count for the RTC device.
path = '/sys/class/rtc/%s/device/power/wakeup_active_count' % rtc_device
return int(file(path).read())
def fire_wakealarm(rtc_device):
Schedule a wakealarm and wait for it to fire.
rtc.set_wake_alarm('+1', rtc_device)
class power_WakeupRTC(test.test):
"""Test RTC wake events."""
version = 1
def run_once(self):
Tests that RTC devices generate wakeup events.
We require /dev/rtc0 to work since there are many things which rely
on the rtc0 wakeup alarm. For all the other RTCs, only test those
that have wakeup alarm capabilities.
default_rtc = "/dev/rtc0"
if not os.path.exists(default_rtc):
raise error.TestFail('RTC device %s does not exist' % default_rtc)
default_rtc_device = os.path.basename(default_rtc)
if read_rtc_wakeup(default_rtc_device) != 'enabled':
raise error.TestFail('RTC wakeup is not enabled: %s' % default_rtc_device)
for rtc_device in rtc.get_rtc_devices():
if read_rtc_wakeup(rtc_device) != 'enabled':'RTC wakeup is not enabled: %s' % rtc_device)
else:'RTC wakeup is enabled for: %s' % rtc_device)
def run_once_rtc(self, rtc_device):
"""Tests that a RTC device generate wakeup events.
@param rtc_device: RTC device to be tested.
"""'testing rtc device %s', rtc_device)
# Test that RTC can generate wake events
old_sys_wakeup_count = sys_power.read_wakeup_count()
old_rtc_wakeup_active_count = read_rtc_wakeup_active_count(rtc_device)
new_sys_wakeup_count = sys_power.read_wakeup_count()
new_rtc_wakeup_active_count = read_rtc_wakeup_active_count(rtc_device)
if new_rtc_wakeup_active_count == old_rtc_wakeup_active_count:
raise error.TestFail(
'RTC alarm should increase RTC wakeup_active_count: %s'
% rtc_device)
if new_sys_wakeup_count == old_sys_wakeup_count:
raise error.TestFail(
'RTC alarm should increase system wakeup_count: %s'
% rtc_device)