build/android/pylib/perf/cache_control.py - Issue 23681011: Android: splits cache_control and perf_control.

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

Issue 23681011: Android: splits cache_control and perf_control. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: More files Created 7 years, 3 months ago

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	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

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