1 # Copyright 2017 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 import time 7 8 from autotest_lib.client.common_lib import error 9 from autotest_lib.server import autotest, test 10 from autotest_lib.server.cros.faft.firmware_test import FirmwareTest 11 12 13 class firmware_Cr50DeepSleepStress(FirmwareTest): 14 """Verify cr50 deep sleep after running power_SuspendStress. 15 16 Cr50 should enter deep sleep every suspend. Verify that by checking the 17 idle deep sleep count. 18 19 @param duration: Total time to spend running power_SuspendStress. 20 suspend_iterations will take priority if it is set to some 21 non-zero value. 22 @param suspend_iterations: The number of iterations to run for 23 power_SuspendStress. 24 """ 25 version = 1 26 27 SLEEP_DELAY = 20 28 MIN_RESUME = 15 29 MIN_SUSPEND = 15 30 MEM = "mem" 31 32 def initialize(self, host, cmdline_args): 33 super(firmware_Cr50DeepSleepStress, self).initialize(host, cmdline_args) 34 if not hasattr(self, "cr50"): 35 raise error.TestNAError('Test can only be run on devices with ' 36 'access to the Cr50 console') 37 38 def check_deep_sleep_count(self): 39 self.cr50.ccd_enable() 40 count = self.cr50.get_deep_sleep_count() 41 logging.debug("Cr50 resumed from deep sleep %d times", count) 42 return count 43 44 def cleanup(self): 45 self.check_deep_sleep_count() 46 super(firmware_Cr50DeepSleepStress, self).cleanup() 47 48 def run_once(self, host, duration=600, suspend_iterations=0): 49 self.cr50.send_command('sysrst pulse') 50 51 if self.MIN_SUSPEND + self.MIN_RESUME < self.SLEEP_DELAY: 52 logging.info("Minimum suspend-resume cycle is %ds. This is " \ 53 "shorter than the Cr50 idle timeout. Cr50 may not " \ 54 "enter deep sleep every cycle", 55 self.MIN_SUSPEND + self.MIN_RESUME) 56 57 # Clear the deep sleep count 58 logging.info("Clear Cr50 deep sleep count") 59 self.cr50.clear_deep_sleep_count() 60 # Disable CCD so Cr50 can enter deep sleep 61 self.cr50.ccd_disable() 62 63 self.client_at = autotest.Autotest(host) 64 suspend_iterations = suspend_iterations if suspend_iterations else None 65 66 self.client_at.run_test('power_SuspendStress', tag="idle", 67 duration=duration, 68 min_suspend=self.MIN_SUSPEND, 69 min_resume=self.MIN_RESUME, 70 check_connection=False, 71 iterations=suspend_iterations, 72 suspend_state=self.MEM) 73 74 count = self.check_deep_sleep_count() 75 if suspend_iterations: 76 logging.info("After %d suspend-resume cycles Cr50 entered deep " \ 77 "sleep %d times." % (suspend_iterations, count)) 78 if count != suspend_iterations: 79 raise error.TestFail("Cr50 deep sleep count, %d, did not " \ 80 "match suspend count, %d" % 81 (count, suspend_iterations)) 82 else: 83 logging.info("During the %ds test Cr50 entered deep sleep %d " \ 84 "times" % (duration, count)) 85
