91 lines
3.1 KiB
Java
91 lines
3.1 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import org.testng.annotations.Test;
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import org.testng.Assert;
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import java.io.IOException;
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import com.oracle.java.testlibrary.JDKToolFinder;
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import com.oracle.java.testlibrary.OutputAnalyzer;
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import com.oracle.java.testlibrary.dcmd.CommandExecutor;
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import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor;
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/*
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* @test
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* @summary Test of diagnostic command GC.heap_dump
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* @library /testlibrary
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* @build com.oracle.java.testlibrary.*
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* @build com.oracle.java.testlibrary.dcmd.*
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* @run testng HeapDumpTest
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*/
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public class HeapDumpTest {
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protected String heapDumpArgs = "";
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public void run(CommandExecutor executor) {
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String fileName = "jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof";
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String cmd = "GC.heap_dump " + heapDumpArgs + " " + fileName;
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executor.execute(cmd);
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verifyHeapDump(fileName);
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}
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private void verifyHeapDump(String fileName) {
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String jhat = JDKToolFinder.getJDKTool("jhat");
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String[] cmd = { jhat, "-parseonly", "true", fileName };
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ProcessBuilder pb = new ProcessBuilder(cmd);
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pb.redirectErrorStream(true);
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Process p = null;
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OutputAnalyzer output = null;
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try {
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p = pb.start();
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output = new OutputAnalyzer(p);
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/*
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* Some hprof dumps of all objects contain constantPoolOop references that cannot be resolved, so we ignore
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* failures about resolving constantPoolOop fields using a negative lookahead
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*/
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output.shouldNotMatch(".*WARNING(?!.*Failed to resolve object.*constantPoolOop.*).*");
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} catch (IOException e) {
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Assert.fail("Test error: Caught exception while reading stdout/err of jhat", e);
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} finally {
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if (p != null) {
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p.destroy();
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}
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}
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if (output.getExitValue() != 0) {
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Assert.fail("Test error: jhat exit code was nonzero");
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}
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}
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/* GC.heap_dump is not available over JMX, running jcmd pid executor instead */
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@Test
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public void pid() {
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run(new PidJcmdExecutor());
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}
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}
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