1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.net; 18 19 import android.net.NetworkStats; 20 import android.os.SystemClock; 21 22 import com.google.caliper.SimpleBenchmark; 23 24 import java.io.File; 25 26 public class NetworkStatsFactoryBenchmark extends SimpleBenchmark { 27 private File mStats; 28 29 // TODO: consider staging stats file with different number of rows 30 31 @Override 32 protected void setUp() { 33 mStats = new File("/proc/net/xt_qtaguid/stats"); 34 } 35 36 @Override 37 protected void tearDown() { 38 mStats = null; 39 } 40 41 public void timeReadNetworkStatsDetailJava(int reps) throws Exception { 42 for (int i = 0; i < reps; i++) { 43 NetworkStatsFactory.javaReadNetworkStatsDetail(mStats, NetworkStats.UID_ALL); 44 } 45 } 46 47 public void timeReadNetworkStatsDetailNative(int reps) { 48 for (int i = 0; i < reps; i++) { 49 final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 0); 50 NetworkStatsFactory.nativeReadNetworkStatsDetail( 51 stats, mStats.getAbsolutePath(), NetworkStats.UID_ALL); 52 } 53 } 54 } 55
