1 /*
2 * Copyright (c) 2020 SAP SE. 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 java.io.File;
25 import java.nio.file.Files;
26 import java.io.IOException;
27 import java.util.List;
28
29 import jdk.test.lib.hprof.HprofParser;
30 import jdk.test.lib.hprof.parser.Reader;
31 import jdk.test.lib.hprof.model.Snapshot;
32
33 import jdk.test.lib.Asserts;
34 import jdk.test.lib.dcmd.PidJcmdExecutor;
35 import jdk.test.lib.process.OutputAnalyzer;
36
37 /*
38 * @test
39 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Serial, Parallel and G1)
40 * @library /test/lib
41 * @modules java.base/jdk.internal.misc
42 * java.compiler
43 * java.management
44 * jdk.internal.jvmstat/sun.jvmstat.monitor
45 * @run main/othervm -XX:+UseSerialGC HeapDumpCompressedTest
46 * @run main/othervm -XX:+UseParallelGC HeapDumpCompressedTest
47 * @run main/othervm -XX:+UseG1GC HeapDumpCompressedTest
48 */
49
50 /*
51 * @test
52 * @requires vm.gc.Z
53 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Z GC)
54 * @library /test/lib
55 * @modules java.base/jdk.internal.misc
56 * java.compiler
57 * java.management
58 * jdk.internal.jvmstat/sun.jvmstat.monitor
59 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseZGC HeapDumpCompressedTest
60 */
61
62 /*
63 * @test
64 * @requires vm.gc.Shenandoah
65 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Shenandoah GC)
66 * @library /test/lib
67 * @modules java.base/jdk.internal.misc
68 * java.compiler
69 * java.management
70 * jdk.internal.jvmstat/sun.jvmstat.monitor
71 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC HeapDumpCompressedTest
72 */
73
74 /*
75 * @test
76 * @requires vm.gc.Epsilon
77 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Epsilon GC)
78 * @library /test/lib
79 * @modules java.base/jdk.internal.misc
80 * java.compiler
81 * java.management
82 * jdk.internal.jvmstat/sun.jvmstat.monitor
83 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC HeapDumpCompressedTest
84 */
85
86 public class HeapDumpCompressedTest {
87 public static HeapDumpCompressedTest ref;
88
89 public static void main(String[] args) throws Exception {
90 PidJcmdExecutor executor = new PidJcmdExecutor();
91 ref = new HeapDumpCompressedTest();
92 File dump = new File("jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof.gz");
93
94 if (dump.exists()) {
95 dump.delete();
96 }
97
98 // Check we detect an invalid compression level.
99 OutputAnalyzer output = executor.execute("GC.heap_dump -gz=0 " +
100 dump.getAbsolutePath());
101 output.shouldContain("Compression level out of range");
102
103 // Check we can create a gzipped dump.
104 output = executor.execute("GC.heap_dump -gz=1 " + dump.getAbsolutePath());
105 output.shouldContain("Heap dump file created");
106
107 // Check we detect an already present heap dump.
108 output = executor.execute("GC.heap_dump -gz=1 " + dump.getAbsolutePath());
109 output.shouldContain("Unable to create ");
110
111 verifyHeapDump(dump);
112 dump.delete();
113 }
114
115 private static void verifyHeapDump(File dump) throws Exception {
116
117 Asserts.assertTrue(dump.exists() && dump.isFile(),
118 "Could not create dump file " + dump.getAbsolutePath());
119
120 try {
121 File out = HprofParser.parse(dump);
122
123 Asserts.assertTrue(out != null && out.exists() && out.isFile(),
124 "Could not find hprof parser output file");
125 List<String> lines = Files.readAllLines(out.toPath());
126 Asserts.assertTrue(lines.size() > 0, "hprof parser output file is empty");
127 for (String line : lines) {
128 Asserts.assertFalse(line.matches(".*WARNING(?!.*Failed to resolve " +
129 "object.*constantPoolOop.*).*"));
130 }
131
132 out.delete();
133 } catch (Exception e) {
134 e.printStackTrace();
135 Asserts.fail("Could not parse dump file " + dump.getAbsolutePath());
136 }
137 }
138 }
139