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 sun.hotspot.code.Compiler; 25 26 import java.util.ArrayList; 27 import java.util.List; 28 import java.io.IOException; 29 import java.util.stream.Collectors; 30 import java.io.OutputStream; 31 import jdk.test.lib.apps.LingeredApp; 32 import jdk.test.lib.JDKToolLauncher; 33 import jdk.test.lib.Platform; 34 import jdk.test.lib.process.OutputAnalyzer; 35 36 /* 37 * @test 38 * @summary Test the 'universe' command of jhsdb clhsdb. 39 * @bug 8190307 40 * @library /test/lib 41 * @build jdk.test.lib.apps.* 42 * @build sun.hotspot.WhiteBox 43 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 44 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. TestUniverse 45 */ 46 47 public class TestUniverse { 48 49 private static void testClhsdbForUniverse(long lingeredAppPid, 50 String gc) throws Exception { 51 52 Process p; 53 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); 54 launcher.addToolArg("clhsdb"); 55 launcher.addToolArg("--pid"); 56 launcher.addToolArg(Long.toString(lingeredAppPid)); 57 58 ProcessBuilder pb = new ProcessBuilder(); 59 pb.command(launcher.getCommand()); 60 System.out.println( 61 pb.command().stream().collect(Collectors.joining(" "))); 62 63 try { 64 p = pb.start(); 65 } catch (Exception attachE) { 66 throw new Error("Couldn't start jhsdb or attach to LingeredApp : " + attachE); 67 } 68 69 // Issue the 'universe' command at the clhsdb prompt. 70 OutputStream input = p.getOutputStream(); 71 try { 72 input.write("universe\n".getBytes()); 73 input.write("quit\n".getBytes()); 74 input.flush(); 75 } catch (IOException ioe) { 76 throw new Error("Problem issuing the 'universe' command ", ioe); 77 } 78 79 OutputAnalyzer output = new OutputAnalyzer(p); 80 81 try { 82 p.waitFor(); 83 } catch (InterruptedException ie) { 84 p.destroyForcibly(); 85 throw new Error("Problem awaiting the child process: " + ie, ie); 86 } 87 88 output.shouldHaveExitValue(0); 89 System.out.println(output.getOutput()); 90 91 output.shouldContain("Heap Parameters"); 92 if (gc.contains("G1GC")) { 93 output.shouldContain("garbage-first heap"); 94 output.shouldContain("region size"); 95 output.shouldContain("G1 Young Generation:"); 96 output.shouldContain("regions ="); 97 } 98 if (gc.contains("UseConcMarkSweepGC")) { 99 output.shouldContain("Gen 1: concurrent mark-sweep generation"); 100 } 101 if (gc.contains("UseSerialGC")) { 102 output.shouldContain("Gen 1: old"); 103 } 104 if (gc.contains("UseParallelGC")) { 105 output.shouldContain("ParallelScavengeHeap"); 106 output.shouldContain("PSYoungGen"); 107 output.shouldContain("eden"); 108 } 109 if (gc.contains("UseEpsilonGC")) { 110 output.shouldContain("Epsilon heap"); 111 output.shouldContain("reserved"); 112 output.shouldContain("committed"); 113 output.shouldContain("used"); 114 } 115 } 116 117 public static void test(String gc) throws Exception { 118 LingeredApp app = null; 119 try { 120 List<String> vmArgs = new ArrayList<String>(); 121 vmArgs.add("-XX:+UnlockExperimentalVMOptions"); // unlock experimental GCs 122 vmArgs.add(gc); 123 app = LingeredApp.startApp(vmArgs); 124 System.out.println ("Started LingeredApp with the GC option " + gc + 125 " and pid " + app.getPid()); 126 testClhsdbForUniverse(app.getPid(), gc); 127 } finally { 128 LingeredApp.stopApp(app); 129 } 130 } 131 132 133 public static void main (String... args) throws Exception { 134 135 if (!Platform.shouldSAAttach()) { 136 System.out.println( 137 "SA attach not expected to work - test skipped."); 138 return; 139 } 140 141 try { 142 test("-XX:+UseG1GC"); 143 test("-XX:+UseParallelGC"); 144 test("-XX:+UseSerialGC"); 145 if (!Compiler.isGraalEnabled()) { // Graal does not support CMS 146 test("-XX:+UseConcMarkSweepGC"); 147 } 148 test("-XX:+UseEpsilonGC"); 149 } catch (Exception e) { 150 throw new Error("Test failed with " + e); 151 } 152 } 153 }