build/android/pylib/perf/cache_control.py - Issue 1314313004: [Android][telemetry] Update pylib imports for modules that moved into devil.

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Issue 1314313004: [Android][telemetry] Update pylib imports for modules that moved into devil. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 3 months ago

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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 from pylib.device import device_utils	5 from devil.android import device_utils

6	6

7 class CacheControl(object):	7 class CacheControl(object):

8 _DROP_CACHES = '/proc/sys/vm/drop_caches'	8 _DROP_CACHES = '/proc/sys/vm/drop_caches'

9	9

10 def __init__(self, device):	10 def __init__(self, device):

11 self._device = device	11 self._device = device

12	12

13 def DropRamCaches(self):	13 def DropRamCaches(self):

14 """Drops the filesystem ram caches for performance testing."""	14 """Drops the filesystem ram caches for performance testing."""

15 self._device.RunShellCommand('sync', as_root=True)	15 self._device.RunShellCommand('sync', as_root=True)

16 self._device.WriteFile(CacheControl._DROP_CACHES, '3', as_root=True)	16 self._device.WriteFile(CacheControl._DROP_CACHES, '3', as_root=True)

17	17

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