114 lines
4.4 KiB
Diff
114 lines
4.4 KiB
Diff
From 68293d50de005b5982a3cce437fc7af807d7264e Mon Sep 17 00:00:00 2001
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Date: Wed, 14 Sep 2022 14:57:25 +0800
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Subject: fix dumped heap using jhat parsing to appear failed to
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resolve object id warning message
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---
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hotspot/src/share/vm/services/heapDumper.cpp | 5 --
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.../serviceability/dcmd/gc/HeapDumpTest.java | 77 +++++++++++++++++++
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2 files changed, 77 insertions(+), 5 deletions(-)
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create mode 100644 jdk/test/serviceability/dcmd/gc/HeapDumpTest.java
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diff --git a/hotspot/src/share/vm/services/heapDumper.cpp b/hotspot/src/share/vm/services/heapDumper.cpp
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index f7aba2a84..b5915c412 100644
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--- a/hotspot/src/share/vm/services/heapDumper.cpp
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+++ b/hotspot/src/share/vm/services/heapDumper.cpp
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@@ -984,11 +984,6 @@ void DumperSupport::dump_class_and_array_classes(DumpWriter* writer, Klass* k) {
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return;
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}
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- // Ignore the class if it hasn't been initialized yet
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- if (!ik->is_linked()) {
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- return;
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- }
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-
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writer->write_u1(HPROF_GC_CLASS_DUMP);
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// class ID
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diff --git a/jdk/test/serviceability/dcmd/gc/HeapDumpTest.java b/jdk/test/serviceability/dcmd/gc/HeapDumpTest.java
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new file mode 100644
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index 000000000..7204c2c37
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--- /dev/null
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+++ b/jdk/test/serviceability/dcmd/gc/HeapDumpTest.java
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@@ -0,0 +1,77 @@
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+/*
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+ * Copyright (c) 2015, 2017, 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.File;
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+import java.nio.file.Files;
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+import java.io.IOException;
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+import java.util.List;
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+import jdk.test.lib.hprof.HprofParser;
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+import jdk.test.lib.hprof.model.Snapshot;
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+import jdk.test.lib.JDKToolFinder;
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+import jdk.test.lib.process.OutputAnalyzer;
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+import jdk.test.lib.dcmd.CommandExecutor;
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+import jdk.test.lib.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 /lib
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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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+
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+ public void run(CommandExecutor executor) throws IOException {
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+ File dump = new File("jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof");
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+ if (dump.exists()) {
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+ dump.delete();
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+ }
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+
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+ String cmd = "GC.heap_dump " + heapDumpArgs + " " + dump.getAbsolutePath();
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+ executor.execute(cmd);
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+
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+ verifyHeapDump(dump);
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+ dump.delete();
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+ }
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+ private void verifyHeapDump(File dump) {
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+ Assert.assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath());
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+ try {
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+ File out = HprofParser.parse(dump);
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+ Assert.assertTrue(out != null && out.exists() && out.isFile(), "Could not find hprof parser output file");
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+ List<String> lines = Files.readAllLines(out.toPath());
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+ Assert.assertTrue(lines.size() > 0, "hprof parser output file is empty");
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+ for (String line : lines) {
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+ Assert.assertFalse(line.matches(".*WARNING(?!.*Failed to resolve object.*constantPoolOop.*).*"));
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+ }
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+ out.delete();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ Assert.fail("Could not parse dump file " + dump.getAbsolutePath());
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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() throws IOException {
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+ run(new PidJcmdExecutor());
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+ }
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+}
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--
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2.22.0
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