1 /* 2 * Copyright (C) 2010 Google Inc. 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 benchmarks.regression; 18 19 import com.google.caliper.Param; 20 import com.google.caliper.Runner; 21 import com.google.caliper.SimpleBenchmark; 22 import java.net.InetAddress; 23 import java.net.UnknownHostException; 24 25 public class DnsBenchmark extends SimpleBenchmark { timeDns(int reps)26 public void timeDns(int reps) throws Exception { 27 String[] hosts = new String[] { 28 "www.amazon.com", 29 "z-ecx.images-amazon.com", 30 "g-ecx.images-amazon.com", 31 "ecx.images-amazon.com", 32 "ad.doubleclick.com", 33 "bpx.a9.com", 34 "d3dtik4dz1nej0.cloudfront.net", 35 "uac.advertising.com", 36 "servedby.advertising.com", 37 "view.atdmt.com", 38 "rmd.atdmt.com", 39 "spe.atdmt.com", 40 "www.google.com", 41 "www.cnn.com", 42 "bad.host.mtv.corp.google.com", 43 }; 44 for (int i = 0; i < reps; ++i) { 45 try { 46 InetAddress.getByName(hosts[i % hosts.length]); 47 } catch (UnknownHostException ex) { 48 } 49 } 50 } 51 } 52