19a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey/* 29a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * Copyright (C) 2012 The Android Open Source Project 39a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * 49a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * Licensed under the Apache License, Version 2.0 (the "License"); 59a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * you may not use this file except in compliance with the License. 69a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * You may obtain a copy of the License at 79a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * 89a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * http://www.apache.org/licenses/LICENSE-2.0 99a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * 109a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * Unless required by applicable law or agreed to in writing, software 119a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * distributed under the License is distributed on an "AS IS" BASIS, 129a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * See the License for the specific language governing permissions and 149a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey * limitations under the License. 159a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey */ 169a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 179a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkeypackage com.android.internal.net; 189a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 199a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkeyimport android.net.NetworkStats; 209a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkeyimport android.os.SystemClock; 219a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 229a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkeyimport com.google.caliper.SimpleBenchmark; 239a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 249a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkeyimport java.io.File; 259a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 269a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkeypublic class NetworkStatsFactoryBenchmark extends SimpleBenchmark { 279a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey private File mStats; 289a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 299a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey // TODO: consider staging stats file with different number of rows 309a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 319a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey @Override 329a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey protected void setUp() { 339a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey mStats = new File("/proc/net/xt_qtaguid/stats"); 349a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey } 359a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 369a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey @Override 379a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey protected void tearDown() { 389a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey mStats = null; 399a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey } 409a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 419a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey public void timeReadNetworkStatsDetailJava(int reps) throws Exception { 429a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey for (int i = 0; i < reps; i++) { 439a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey NetworkStatsFactory.javaReadNetworkStatsDetail(mStats, NetworkStats.UID_ALL); 449a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey } 459a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey } 469a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey 479a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey public void timeReadNetworkStatsDetailNative(int reps) { 489a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey for (int i = 0; i < reps; i++) { 499a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 0); 509a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey NetworkStatsFactory.nativeReadNetworkStatsDetail( 519a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey stats, mStats.getAbsolutePath(), NetworkStats.UID_ALL); 529a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey } 539a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey } 549a2c2a6da90abbcc9a064c20e93ed885651f4ae1Jeff Sharkey} 55