client/site_tests/power_StatsCPUIdle/power_StatsCPUIdle.py

# Copyright (c) 2010 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, time
from autotest_lib.client.bin import test
from autotest_lib.client.cros import power_status


class power_StatsCPUIdle(test.test):
    version = 1


    def run_once(self, test_time=60):
        cpuidle_stats = power_status.CPUIdleStats()

        # sleep for some time to allow the system to go into idle state
        time.sleep(test_time)

        # get updated CPU idle stats
        current_stats = cpuidle_stats.refresh()
        logging.info('CPUIdle stats in the last %d seconds :\n %s',
                     test_time, current_stats)