1 /*
2 * Copyright (c) 2021, Red Hat, Inc. 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
25 /*
26 * @test id=passive
27 * @library /test/lib
28 * @modules jdk.attach/com.sun.tools.attach
29 * @requires vm.gc.Shenandoah
30 *
31 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
32 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
33 * -XX:+ShenandoahDegeneratedGC
34 * TestJcmdHeapDump
35 *
36 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
37 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
38 * -XX:-ShenandoahDegeneratedGC
39 * TestJcmdHeapDump
40 */
41
42 /*
43 * @test id=aggressive
44 * @library /test/lib
45 * @modules jdk.attach/com.sun.tools.attach
46 * @requires vm.gc.Shenandoah
47 *
48 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
49 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
50 * -XX:+ShenandoahOOMDuringEvacALot
51 * TestJcmdHeapDump
52 *
53 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
54 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
55 * -XX:+ShenandoahAllocFailureALot
56 * TestJcmdHeapDump
57 *
58 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
59 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
60 * TestJcmdHeapDump
61 */
62
63 /*
64 * @test id=adaptive
65 * @library /test/lib
66 * @modules jdk.attach/com.sun.tools.attach
67 * @requires vm.gc.Shenandoah
68 *
69 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
70 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
71 * -Dtarget=10000
72 * TestJcmdHeapDump
73 */
74
75 /*
76 * @test id=static
77 * @library /test/lib
78 * @modules jdk.attach/com.sun.tools.attach
79 * @requires vm.gc.Shenandoah
80 *
81 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
82 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
83 * TestJcmdHeapDump
84 */
85
86 /*
87 * @test id=compact
88 * @library /test/lib
89 * @modules jdk.attach/com.sun.tools.attach
90 * @requires vm.gc.Shenandoah
91 *
92 * @run main/othervm/timeout=480 -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
93 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
94 * TestJcmdHeapDump
95 */
96
97 import jdk.test.lib.JDKToolLauncher;
98 import jdk.test.lib.process.ProcessTools;
99 import jdk.test.lib.process.OutputAnalyzer;
100
101 import java.io.File;
102
103 public class TestJcmdHeapDump {
104 public static void main(String[] args) {
105 long pid = ProcessHandle.current().pid();
106 JDKToolLauncher jcmd = JDKToolLauncher.createUsingTestJDK("jcmd");
107 jcmd.addToolArg(String.valueOf(pid));
108 jcmd.addToolArg("GC.heap_dump");
109 String dumpFileName = "myheapdump" + String.valueOf(pid);
110 jcmd.addToolArg(dumpFileName);
111
112 try {
113 OutputAnalyzer output = ProcessTools.executeProcess(jcmd.getCommand());
114 output.shouldHaveExitValue(0);
115 } catch (Exception e) {
116 throw new RuntimeException("Test failed: " + e);
117 }
118
119 File f = new File(dumpFileName);
120 if (f.exists()) {
121 f.delete();
122 } else {
123 throw new RuntimeException("Dump file not created");
124 }
125 }
126 }