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 17package com.android.internal.net; 18 19import android.net.NetworkStats; 20import android.os.SystemClock; 21import com.google.caliper.AfterExperiment; 22import com.google.caliper.BeforeExperiment; 23import java.io.File; 24 25public class NetworkStatsFactoryBenchmark { 26 private File mStats; 27 28 // TODO: consider staging stats file with different number of rows 29 30 @BeforeExperiment 31 protected void setUp() { 32 mStats = new File("/proc/net/xt_qtaguid/stats"); 33 } 34 35 @AfterExperiment 36 protected void tearDown() { 37 mStats = null; 38 } 39 40 public void timeReadNetworkStatsDetailJava(int reps) throws Exception { 41 for (int i = 0; i < reps; i++) { 42 NetworkStatsFactory.javaReadNetworkStatsDetail(mStats, NetworkStats.UID_ALL, 43 // Looks like this was broken by change d0c5b9abed60b7bc056d026bf0f2b2235410fb70 44 // Fixed compilation problem but needs addressing properly. 45 new String[0], 999); 46 } 47 } 48 49 public void timeReadNetworkStatsDetailNative(int reps) { 50 for (int i = 0; i < reps; i++) { 51 final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 0); 52 NetworkStatsFactory.nativeReadNetworkStatsDetail( 53 stats, mStats.getAbsolutePath(), NetworkStats.UID_ALL, 54 // Looks like this was broken by change d0c5b9abed60b7bc056d026bf0f2b2235410fb70 55 // Fixed compilation problem but needs addressing properly. 56 new String[0], 999); 57 } 58 } 59} 60