1 /* 2 * Copyright (c) 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 org.testng.annotations.Test; 25 import org.testng.Assert; 26 27 import java.io.File; 28 import java.io.IOException; 29 30 import jdk.test.lib.hprof.HprofParser; 31 import jdk.test.lib.hprof.model.Snapshot; 32 33 import com.oracle.java.testlibrary.JDKToolFinder; 34 import com.oracle.java.testlibrary.OutputAnalyzer; 35 import com.oracle.java.testlibrary.dcmd.CommandExecutor; 36 import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor; 37 38 /* 39 * @test 40 * @summary Test of diagnostic command GC.heap_dump 41 * @library /testlibrary 42 * @library /../../test/lib/share/classes 43 * @modules java.base/sun.misc 44 * java.compiler 45 * java.management 46 * jdk.jvmstat/sun.jvmstat.monitor 47 * @build com.oracle.java.testlibrary.* 48 * @build com.oracle.java.testlibrary.dcmd.* 49 * @build jdk.test.lib.hprof.* 50 * @build jdk.test.lib.hprof.module.* 51 * @build jdk.test.lib.hprof.parser.* 52 * @build jdk.test.lib.hprof.utils.* 53 * @run testng HeapDumpTest 54 */ 55 public class HeapDumpTest { 56 protected String heapDumpArgs = ""; 57 58 public void run(CommandExecutor executor) { 59 File dump = new File("jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof"); 60 String cmd = "GC.heap_dump " + heapDumpArgs + " " + dump.getAbsolutePath(); 61 executor.execute(cmd); 62 63 verifyHeapDump(dump); 64 65 dump.deleteOnExit(); 66 } 67 68 private void verifyHeapDump(File dump) { 69 Assert.assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath()); 70 try { 71 HprofParser.parse(dump); 72 } catch (Exception e) { 73 e.printStackTrace(); 74 Assert.fail("Could not parse dump file " + dump.getAbsolutePath()); 75 } 76 } 77 78 /* GC.heap_dump is not available over JMX, running jcmd pid executor instead */ 79 @Test 80 public void pid() { 81 run(new PidJcmdExecutor()); 82 } 83 } 84