1# Copyright 2014 The Chromium 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# pylint: disable=W0212 5 6import os 7import sys 8import unittest 9 10sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..')) 11 12from devil.android import device_test_case 13from devil.android import device_utils 14from devil.android.perf import perf_control 15 16 17class TestPerfControl(device_test_case.DeviceTestCase): 18 19 def setUp(self): 20 super(TestPerfControl, self).setUp() 21 if not os.getenv('BUILDTYPE'): 22 os.environ['BUILDTYPE'] = 'Debug' 23 self._device = device_utils.DeviceUtils(self.serial) 24 25 def testHighPerfMode(self): 26 perf = perf_control.PerfControl(self._device) 27 try: 28 perf.SetPerfProfilingMode() 29 cpu_info = perf.GetCpuInfo() 30 self.assertEquals(len(perf._cpu_files), len(cpu_info)) 31 for _, online, governor in cpu_info: 32 self.assertTrue(online) 33 self.assertEquals('performance', governor) 34 finally: 35 perf.SetDefaultPerfMode() 36 37if __name__ == '__main__': 38 unittest.main() 39