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| 1 # Copyright 2013 The Chromium Authors. All rights reserved. | 1 # Copyright 2013 The Chromium Authors. All rights reserved. | 
| 2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be | 
| 3 # found in the LICENSE file. | 3 # found in the LICENSE file. | 
| 4 | 4 | 
| 5 import atexit | 5 import atexit | 
| 6 import logging | 6 import logging | 
| 7 | 7 | 
| 8 from devil.android import device_errors | 8 from devil.android import device_errors | 
| 9 | 9 | 
| 10 | 10 | 
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| 147     """ | 147     """ | 
| 148     if self._have_mpdecision: | 148     if self._have_mpdecision: | 
| 149       script = 'stop mpdecision' if force_online else 'start mpdecision' | 149       script = 'stop mpdecision' if force_online else 'start mpdecision' | 
| 150       self._device.RunShellCommand(script, check_return=True, as_root=True) | 150       self._device.RunShellCommand(script, check_return=True, as_root=True) | 
| 151 | 151 | 
| 152     if not self._have_mpdecision and not self._AllCpusAreOnline(): | 152     if not self._have_mpdecision and not self._AllCpusAreOnline(): | 
| 153       logging.warning('Unexpected cpu hot plugging detected.') | 153       logging.warning('Unexpected cpu hot plugging detected.') | 
| 154 | 154 | 
| 155     if force_online: | 155     if force_online: | 
| 156       self._ForEachCpu('echo 1 > "$CPU/online"') | 156       self._ForEachCpu('echo 1 > "$CPU/online"') | 
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