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 * @requires vm.gc.Serial
40 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Serial GC)
41 * @library /test/lib
42 * @modules java.base/jdk.internal.misc
43 * java.compiler
44 * java.management
45 * jdk.internal.jvmstat/sun.jvmstat.monitor
46 * @run main/othervm -XX:+UseSerialGC HeapDumpCompressedTest
47 */
48
49 /*
50 * @test
51 * @requires vm.gc.Parallel
52 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Parallel GC)
53 * @library /test/lib
54 * @modules java.base/jdk.internal.misc
55 * java.compiler
56 * java.management
57 * jdk.internal.jvmstat/sun.jvmstat.monitor
58 * @run main/othervm -XX:+UseParallelGC HeapDumpCompressedTest
59 */
60
61 /*
62 * @test
63 * @requires vm.gc.G1
64 * @summary Test of diagnostic command GC.heap_dump with gzipped output (G1 GC)
65 * @library /test/lib
66 * @modules java.base/jdk.internal.misc
67 * java.compiler
68 * java.management
69 * jdk.internal.jvmstat/sun.jvmstat.monitor
70 * @run main/othervm -XX:+UseG1GC HeapDumpCompressedTest
71 */
72
73 /*
74 * @test
75 * @requires vm.gc.Z
76 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Z GC)
77 * @library /test/lib
78 * @modules java.base/jdk.internal.misc
79 * java.compiler
80 * java.management
81 * jdk.internal.jvmstat/sun.jvmstat.monitor
82 * @run main/othervm -XX:+UseZGC HeapDumpCompressedTest
83 */
84
85 /*
86 * @test
87 * @requires vm.gc.Shenandoah
88 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Shenandoah GC)
89 * @library /test/lib
90 * @modules java.base/jdk.internal.misc
91 * java.compiler
92 * java.management
93 * jdk.internal.jvmstat/sun.jvmstat.monitor
94 * @run main/othervm -XX:+UseShenandoahGC HeapDumpCompressedTest
95 */
96
97 /*
98 * @test
99 * @requires vm.gc.Epsilon
100 * @summary Test of diagnostic command GC.heap_dump with gzipped output (Epsilon GC)
101 * @library /test/lib
102 * @modules java.base/jdk.internal.misc
103 * java.compiler
104 * java.management
105 * jdk.internal.jvmstat/sun.jvmstat.monitor
106 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC HeapDumpCompressedTest
107 */
108
109 public class HeapDumpCompressedTest {
110 public static HeapDumpCompressedTest ref;
111
112 public static void main(String[] args) throws Exception {
113 PidJcmdExecutor executor = new PidJcmdExecutor();
114 ref = new HeapDumpCompressedTest();
115 File dump = new File("jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof.gz");
116
117 if (dump.exists()) {
118 dump.delete();
119 }
120
121 // Check we detect an invalid compression level.
122 OutputAnalyzer output = executor.execute("GC.heap_dump -gz=0 " +
123 dump.getAbsolutePath());
124 output.shouldContain("Compression level out of range");
125
126 // Check we can create a gzipped dump.
127 output = executor.execute("GC.heap_dump -gz=1 " + dump.getAbsolutePath());
128 output.shouldContain("Heap dump file created");
129
130 // Check we detect an already present heap dump.
131 output = executor.execute("GC.heap_dump -gz=1 " + dump.getAbsolutePath());
132 output.shouldContain("Unable to create ");
133
134 verifyHeapDump(dump);
135 dump.delete();
136 }
137
138 private static void verifyHeapDump(File dump) throws Exception {
139
140 Asserts.assertTrue(dump.exists() && dump.isFile(),
141 "Could not create dump file " + dump.getAbsolutePath());
142
143 try {
144 File out = HprofParser.parse(dump);
145
146 Asserts.assertTrue(out != null && out.exists() && out.isFile(),
147 "Could not find hprof parser output file");
148 List<String> lines = Files.readAllLines(out.toPath());
149 Asserts.assertTrue(lines.size() > 0, "hprof parser output file is empty");
150 for (String line : lines) {
151 Asserts.assertFalse(line.matches(".*WARNING(?!.*Failed to resolve " +
152 "object.*constantPoolOop.*).*"));
153 }
154
155 out.delete();
156 } catch (Exception e) {
157 e.printStackTrace();
158 Asserts.fail("Could not parse dump file " + dump.getAbsolutePath());
159 }
160 }
161 }
162