1 /* 2 * Copyright (c) 2005, 2015, 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 static jdk.testlibrary.Asserts.assertTrue; 25 import static jdk.testlibrary.Asserts.fail; 26 27 import java.io.File; 28 import java.util.Arrays; 29 30 import jdk.test.lib.hprof.HprofParser; 31 import jdk.testlibrary.JDKToolLauncher; 32 import jdk.testlibrary.OutputAnalyzer; 33 import jdk.testlibrary.ProcessTools; 34 35 /* 36 * @test 37 * @bug 6321286 38 * @summary Unit test for jmap utility 39 * @key intermittent 40 * @library /lib/testlibrary 41 * @library /test/lib/share/classes 42 * @modules java.management 43 * @build jdk.testlibrary.* 44 * @build jdk.test.lib.hprof.* 45 * @build jdk.test.lib.hprof.model.* 46 * @build jdk.test.lib.hprof.parser.* 47 * @build jdk.test.lib.hprof.util.* 48 * @run main/timeout=240 BasicJMapTest 49 */ 50 public class BasicJMapTest { 51 52 private static ProcessBuilder processBuilder = new ProcessBuilder(); 53 54 public static void main(String[] args) throws Exception { 55 testHisto(); 56 testHistoLive(); 57 testDump(); 58 testDumpLive(); 59 } 60 61 private static void testHisto() throws Exception { 62 OutputAnalyzer output = jmap("-histo"); 63 output.shouldHaveExitValue(0); 64 } 65 66 private static void testHistoLive() throws Exception { 67 OutputAnalyzer output = jmap("-histo:live"); 68 output.shouldHaveExitValue(0); 69 } 70 71 private static void testDump() throws Exception { 72 dump(false); 73 } 74 75 private static void testDumpLive() throws Exception { 76 dump(true); 77 } 78 79 private static void dump(boolean live) throws Exception { 80 File dump = new File("jmap.dump." + System.currentTimeMillis() + ".hprof"); 81 if (dump.exists()) { 82 dump.delete(); 83 } 84 OutputAnalyzer output; 85 if (live) { 86 output = jmap("-dump:live,format=b,file=" + dump.getName()); 87 } else { 88 output = jmap("-dump:format=b,file=" + dump.getName()); 89 } 90 output.shouldHaveExitValue(0); 91 output.shouldContain("Heap dump file created"); 92 verifyDumpFile(dump); 93 dump.delete(); 94 } 95 96 private static void verifyDumpFile(File dump) { 97 assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath()); 98 try { 99 HprofParser.parse(dump); 100 } catch (Exception e) { 101 e.printStackTrace(); 102 fail("Could not parse dump file " + dump.getAbsolutePath()); 103 } 104 } 105 106 private static OutputAnalyzer jmap(String... toolArgs) throws Exception { 107 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jmap"); 108 launcher.addVMArg("-XX:+UsePerfData"); 109 if (toolArgs != null) { 110 for (String toolArg : toolArgs) { 111 launcher.addToolArg(toolArg); 112 } 113 } 114 launcher.addToolArg(Integer.toString(ProcessTools.getProcessId())); 115 116 processBuilder.command(launcher.getCommand()); 117 System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", "")); 118 OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); 119 System.out.println(output.getOutput()); 120 121 return output; 122 } 123 124 }