1 /* 2 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.util.ArrayList; 25 import java.util.List; 26 import java.io.IOException; 27 import java.util.stream.Collectors; 28 import java.io.OutputStream; 29 import jdk.test.lib.apps.LingeredApp; 30 import jdk.test.lib.JDKToolLauncher; 31 import jdk.test.lib.Platform; 32 import jdk.test.lib.process.OutputAnalyzer; 33 34 /* 35 * @test 36 * @summary Test the 'universe' command of jhsdb clhsdb. 37 * @requires vm.gc != "Z" 38 * @bug 8190307 39 * @library /test/lib 40 * @build jdk.test.lib.apps.* 41 * @run main/othervm TestUniverse withoutZ 42 */ 43 44 /* 45 * @test 46 * @summary Test the 'universe' command of jhsdb clhsdb. 47 * @requires vm.gc == "Z" 48 * @bug 8190307 49 * @library /test/lib 50 * @build jdk.test.lib.apps.* 51 * @run main/othervm TestUniverse withZ 52 */ 53 54 public class TestUniverse { 55 56 private static void testClhsdbForUniverse(long lingeredAppPid, 57 String gc) throws Exception { 58 59 Process p; 60 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); 61 launcher.addToolArg("clhsdb"); 62 launcher.addToolArg("--pid"); 63 launcher.addToolArg(Long.toString(lingeredAppPid)); 64 65 ProcessBuilder pb = new ProcessBuilder(); 66 pb.command(launcher.getCommand()); 67 System.out.println( 68 pb.command().stream().collect(Collectors.joining(" "))); 69 70 try { 71 p = pb.start(); 72 } catch (Exception attachE) { 73 throw new Error("Couldn't start jhsdb or attach to LingeredApp : " + attachE); 74 } 75 76 // Issue the 'universe' command at the clhsdb prompt. 77 OutputStream input = p.getOutputStream(); 78 try { 79 input.write("universe\n".getBytes()); 80 input.write("quit\n".getBytes()); 81 input.flush(); 82 } catch (IOException ioe) { 83 throw new Error("Problem issuing the 'universe' command ", ioe); 84 } 85 86 OutputAnalyzer output = new OutputAnalyzer(p); 87 88 try { 89 p.waitFor(); 90 } catch (InterruptedException ie) { 91 p.destroyForcibly(); 92 throw new Error("Problem awaiting the child process: " + ie, ie); 93 } 94 95 output.shouldHaveExitValue(0); 96 System.out.println(output.getOutput()); 97 98 output.shouldContain("Heap Parameters"); 99 if (gc.contains("G1GC")) { 100 output.shouldContain("garbage-first heap"); 101 output.shouldContain("region size"); 102 output.shouldContain("G1 Young Generation:"); 103 output.shouldContain("regions ="); 104 } 105 if (gc.contains("UseConcMarkSweepGC")) { 106 output.shouldContain("Gen 1: concurrent mark-sweep generation"); 107 } 108 if (gc.contains("UseSerialGC")) { 109 output.shouldContain("Gen 1: old"); 110 } 111 if (gc.contains("UseParallelGC")) { 112 output.shouldContain("ParallelScavengeHeap"); 113 output.shouldContain("PSYoungGen"); 114 output.shouldContain("eden"); 115 } 116 if (gc.contains("UseZGC")) { 117 output.shouldContain("ZHeap"); 118 } 119 120 } 121 122 public static void test(String gc) throws Exception { 123 LingeredApp app = null; 124 try { 125 List<String> vmArgs = new ArrayList<String>(); 126 if (gc.contains("UseZGC")) { 127 vmArgs.add("-XX:+UnlockExperimentalVMOptions"); 128 } 129 vmArgs.add(gc); 130 app = LingeredApp.startApp(vmArgs); 131 System.out.println ("Started LingeredApp with the GC option " + gc + 132 " and pid " + app.getPid()); 133 testClhsdbForUniverse(app.getPid(), gc); 134 } finally { 135 LingeredApp.stopApp(app); 136 } 137 } 138 139 140 public static void main (String... args) throws Exception { 141 142 if (!Platform.shouldSAAttach()) { 143 System.out.println( 144 "SA attach not expected to work - test skipped."); 145 return; 146 } 147 148 try { 149 test("-XX:+UseG1GC"); 150 test("-XX:+UseParallelGC"); 151 test("-XX:+UseSerialGC"); 152 test("-XX:+UseConcMarkSweepGC"); 153 if (args[0].equals("withZ")) { 154 test("-XX:+UseZGC"); 155 } 156 157 } catch (Exception e) { 158 throw new Error("Test failed with " + e); 159 } 160 } 161 }