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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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