OLD | NEW |
(Empty) | |
| 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 |
| 3 # found in the LICENSE file. |
| 4 |
| 5 |
| 6 class CacheControl(object): |
| 7 _DROP_CACHES = '/proc/sys/vm/drop_caches' |
| 8 |
| 9 def __init__(self, adb): |
| 10 self._adb = adb |
| 11 |
| 12 def DropRamCaches(self): |
| 13 """Drops the filesystem ram caches for performance testing.""" |
| 14 self._adb.RunShellCommandWithSU('sync') |
| 15 self._adb.SetProtectedFileContents(CacheControl._DROP_CACHES, '3') |
| 16 |
OLD | NEW |