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 * @bug 8190307 38 * @library /test/lib 39 * @build jdk.test.lib.apps.* 40 * @run main/othervm TestUniverse 41 */ 42 43 public class TestUniverse { 44 45 private static void testClhsdbForUniverse(long lingeredAppPid, 46 String gc) throws Exception { 47 48 Process p; 49 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); 50 launcher.addToolArg("clhsdb"); 51 launcher.addToolArg("--pid"); 52 launcher.addToolArg(Long.toString(lingeredAppPid)); 53 54 ProcessBuilder pb = new ProcessBuilder(); 55 pb.command(launcher.getCommand()); 56 System.out.println( 57 pb.command().stream().collect(Collectors.joining(" "))); 58 59 try { 60 p = pb.start(); 61 } catch (Exception attachE) { 62 throw new Error("Couldn't start jhsdb or attach to LingeredApp : " + attachE); 63 } 64 65 // Issue the 'universe' command at the clhsdb prompt. 66 OutputStream input = p.getOutputStream(); 67 try { 68 input.write("universe\n".getBytes()); 69 input.write("quit\n".getBytes()); 70 input.flush(); 71 } catch (IOException ioe) { 72 throw new Error("Problem issuing the 'universe' command ", ioe); 73 } 74 75 OutputAnalyzer output = new OutputAnalyzer(p); 76 77 try { 78 p.waitFor(); 79 } catch (InterruptedException ie) { 80 p.destroyForcibly(); 81 throw new Error("Problem awaiting the child process: " + ie, ie); 82 } 83 84 output.shouldHaveExitValue(0); 85 System.out.println(output.getOutput()); 86 87 output.shouldContain("Heap Parameters"); 88 if (gc.contains("G1GC")) { 89 output.shouldContain("garbage-first heap"); 90 output.shouldContain("region size"); 91 output.shouldContain("G1 Young Generation:"); 92 output.shouldContain("regions ="); 93 } 94 if (gc.contains("UseConcMarkSweepGC")) { 95 output.shouldContain("Gen 1: concurrent mark-sweep generation"); 96 } 97 if (gc.contains("UseSerialGC")) { 98 output.shouldContain("Gen 1: old"); 99 } 100 if (gc.contains("UseParallelGC")) { 101 output.shouldContain("ParallelScavengeHeap"); 102 output.shouldContain("PSYoungGen"); 103 output.shouldContain("eden"); 104 } 105 106 } 107 108 public static void test(String gc) throws Exception { 109 LingeredApp app = null; 110 try { 111 List<String> vmArgs = new ArrayList<String>(); 112 vmArgs.add(gc); 113 app = LingeredApp.startApp(vmArgs); 114 System.out.println ("Started LingeredApp with the GC option " + gc + 115 " and pid " + app.getPid()); 116 testClhsdbForUniverse(app.getPid(), gc); 117 } finally { 118 LingeredApp.stopApp(app); 119 } 120 } 121 122 123 public static void main (String... args) throws Exception { 124 125 if (!Platform.shouldSAAttach()) { 126 System.out.println( 127 "SA attach not expected to work - test skipped."); 128 return; 129 } 130 131 try { 132 test("-XX:+UseG1GC"); 133 test("-XX:+UseParallelGC"); 134 test("-XX:+UseSerialGC"); 135 test("-XX:+UseConcMarkSweepGC"); 136 } catch (Exception e) { 137 throw new Error("Test failed with " + e); 138 } 139 } 140 }