1 /*
2 * Copyright (c) 2021, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 /*
27 * @test id=passive
28 * @library /test/lib
29 * @modules jdk.attach/com.sun.tools.attach
30 * @requires vm.gc.Shenandoah
31 *
32 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
33 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
34 * -XX:+ShenandoahDegeneratedGC
35 * TestJcmdHeapDump
36 *
37 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
38 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
39 * -XX:-ShenandoahDegeneratedGC
40 * TestJcmdHeapDump
41 */
42
43 /*
44 * @test id=aggressive
45 * @library /test/lib
46 * @modules jdk.attach/com.sun.tools.attach
47 * @requires vm.gc.Shenandoah
48 *
49 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
50 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
51 * -XX:+ShenandoahOOMDuringEvacALot
52 * TestJcmdHeapDump
53 *
54 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
55 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
56 * -XX:+ShenandoahAllocFailureALot
57 * TestJcmdHeapDump
58 *
59 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
60 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
61 * TestJcmdHeapDump
62 */
63
64 /*
65 * @test id=adaptive
66 * @library /test/lib
67 * @modules jdk.attach/com.sun.tools.attach
68 * @requires vm.gc.Shenandoah
69 *
70 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
71 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
72 * -Dtarget=10000
73 * TestJcmdHeapDump
74 */
75
76 /*
77 * @test id=generational
78 * @library /test/lib
79 * @modules jdk.attach/com.sun.tools.attach
80 * @requires vm.gc.Shenandoah
81 *
82 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
83 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
84 * -Dtarget=10000
85 * TestJcmdHeapDump
86 */
87
88 /*
89 * @test id=static
90 * @library /test/lib
91 * @modules jdk.attach/com.sun.tools.attach
92 * @requires vm.gc.Shenandoah
93 *
94 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
95 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
96 * TestJcmdHeapDump
97 */
98
99 /*
100 * @test id=compact
101 * @library /test/lib
102 * @modules jdk.attach/com.sun.tools.attach
103 * @requires vm.gc.Shenandoah
104 *
105 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
106 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
107 * TestJcmdHeapDump
108 */
109
110 import jdk.test.lib.JDKToolLauncher;
111 import jdk.test.lib.process.ProcessTools;
112 import jdk.test.lib.process.OutputAnalyzer;
113
114 import java.io.File;
115
116 public class TestJcmdHeapDump {
117 public static void main(String[] args) {
118 long pid = ProcessHandle.current().pid();
119 JDKToolLauncher jcmd = JDKToolLauncher.createUsingTestJDK("jcmd");
120 jcmd.addToolArg(String.valueOf(pid));
121 jcmd.addToolArg("GC.heap_dump");
122 String dumpFileName = "myheapdump" + String.valueOf(pid);
123 jcmd.addToolArg(dumpFileName);
124
125 try {
126 OutputAnalyzer output = ProcessTools.executeProcess(jcmd.getCommand());
127 output.shouldHaveExitValue(0);
128 } catch (Exception e) {
129 throw new RuntimeException("Test failed: " + e);
130 }
131
132 File f = new File(dumpFileName);
133 if (f.exists()) {
134 f.delete();
135 } else {
136 throw new RuntimeException("Dump file not created");
137 }
138 }
139 }