| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import org.testng.annotations.Test; |
| import org.testng.Assert; |
| |
| import java.io.File; |
| import java.nio.file.Files; |
| import java.io.IOException; |
| import java.util.List; |
| |
| import jdk.test.lib.hprof.HprofParser; |
| import jdk.test.lib.hprof.model.Snapshot; |
| |
| import jdk.test.lib.JDKToolFinder; |
| import jdk.test.lib.OutputAnalyzer; |
| import jdk.test.lib.dcmd.CommandExecutor; |
| import jdk.test.lib.dcmd.PidJcmdExecutor; |
| |
| /* |
| * @test |
| * @summary Test of diagnostic command GC.heap_dump |
| * @library /testlibrary |
| * @library /test/lib/share/classes |
| * @modules java.base/sun.misc |
| * java.compiler |
| * java.management |
| * jdk.jvmstat/sun.jvmstat.monitor |
| * @build jdk.test.lib.* |
| * @build jdk.test.lib.dcmd.* |
| * @build jdk.test.lib.hprof.* |
| * @build jdk.test.lib.hprof.module.* |
| * @build jdk.test.lib.hprof.parser.* |
| * @build jdk.test.lib.hprof.utils.* |
| * @run testng HeapDumpTest |
| */ |
| public class HeapDumpTest { |
| protected String heapDumpArgs = ""; |
| |
| public void run(CommandExecutor executor) throws IOException { |
| File dump = new File("jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof"); |
| if (dump.exists()) { |
| dump.delete(); |
| } |
| |
| String cmd = "GC.heap_dump " + heapDumpArgs + " " + dump.getAbsolutePath(); |
| executor.execute(cmd); |
| |
| verifyHeapDump(dump); |
| dump.delete(); |
| } |
| |
| private void verifyHeapDump(File dump) { |
| Assert.assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath()); |
| try { |
| File out = HprofParser.parse(dump); |
| |
| Assert.assertTrue(out != null && out.exists() && out.isFile(), "Could not find hprof parser output file"); |
| List<String> lines = Files.readAllLines(out.toPath()); |
| Assert.assertTrue(lines.size() > 0, "hprof parser output file is empty"); |
| for (String line : lines) { |
| Assert.assertFalse(line.matches(".*WARNING(?!.*Failed to resolve object.*constantPoolOop.*).*")); |
| } |
| |
| out.delete(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| Assert.fail("Could not parse dump file " + dump.getAbsolutePath()); |
| } |
| } |
| |
| /* GC.heap_dump is not available over JMX, running jcmd pid executor instead */ |
| @Test |
| public void pid() throws IOException { |
| run(new PidJcmdExecutor()); |
| } |
| } |
| |