1 /* 2 * Copyright (C) 2009 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 vogar.target; 18 19 import com.google.caliper.runner.CaliperMain; 20 import com.google.common.collect.ImmutableList; 21 import java.io.PrintWriter; 22 import vogar.Result; 23 import vogar.monitor.TargetMonitor; 24 25 /** 26 * Runs a <a href="http://code.google.com/p/caliper/">Caliper</a> benchmark. 27 */ 28 public final class CaliperTargetRunner implements TargetRunner { 29 30 private final TargetMonitor monitor; 31 private final Class<?> testClass; 32 private final String[] args; 33 34 public CaliperTargetRunner(TargetMonitor monitor, Class<?> testClass, String[] args) { 35 this.monitor = monitor; 36 this.testClass = testClass; 37 this.args = args; 38 } 39 40 public boolean run() { 41 monitor.outcomeStarted(testClass.getName()); 42 ImmutableList.Builder<String> builder = ImmutableList.<String>builder() 43 .add(testClass.getName()) 44 .add(args); 45 46 // Make sure that the results are output to the correct location so that vogar will 47 // copy them back to the ./vogar-results/ directory. 48 builder.add("-Cresults.file.options.dir=" + System.getProperty("java.io.tmpdir")); 49 50 // TODO(paulduffin): Remove once caliper supports suitable defaults for Android. 51 // Temporary change to force caliper to use a heap of 256M for each of it's workers when 52 // running on Android. 53 if (System.getProperty("java.specification.name").equals("Dalvik Core Library")) { 54 builder.add("-Cvm.args=-Xmx256M -Xms256M"); 55 } 56 57 ImmutableList<String> argList = builder.build(); 58 String[] arguments = argList.toArray(new String[argList.size()]); 59 Result result = Result.EXEC_FAILED; 60 try { 61 PrintWriter stdout = new PrintWriter(System.out); 62 PrintWriter stderr = new PrintWriter(System.err); 63 CaliperMain.exitlessMain(arguments, stdout, stderr); 64 result = Result.SUCCESS; 65 } catch (Exception ex) { 66 ex.printStackTrace(); 67 } 68 monitor.outcomeFinished(result); 69 return true; 70 } 71 } 72
