build/android/pylib/perf/cache_control.py - Issue 1261763004: Remove handling code for android_command in pylib.

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Side by Side Diff: build/android/pylib/perf/cache_control.py

Issue 1261763004: Remove handling code for android_command in pylib. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 4 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 import android_commands

6 from pylib.device import device_utils	5 from pylib.device import device_utils

7	6

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

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

10	9

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

12 # TODO(jbudorick) Remove once telemetry gets switched over.

13 assert not isinstance(device, android_commands.AndroidCommands)

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

15	12

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

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

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

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

20	17

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