1 /*
2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. 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.util.ArrayList;
25 import java.util.List;
26 import java.io.File;
27 import java.nio.file.Files;
28 import java.io.IOException;
29 import java.io.BufferedInputStream;
30 import java.util.stream.Collectors;
31 import java.io.FileInputStream;
32
33 import sun.jvm.hotspot.HotSpotAgent;
34 import sun.jvm.hotspot.debugger.*;
35
36 import jdk.test.lib.apps.LingeredApp;
37 import jdk.test.lib.JDKToolLauncher;
38 import jdk.test.lib.JDKToolFinder;
39 import jdk.test.lib.Platform;
40 import jdk.test.lib.process.ProcessTools;
41 import jdk.test.lib.process.OutputAnalyzer;
42 import jdk.test.lib.Utils;
43 import jdk.test.lib.Asserts;
44 import jdk.test.lib.hprof.HprofParser;
45 import jdk.test.lib.hprof.parser.HprofReader;
46 import jdk.test.lib.hprof.parser.PositionDataInputStream;
47 import jdk.test.lib.hprof.model.Snapshot;
48
49 /**
50 * @test
51 * @library /test/lib
52 * @requires vm.hasSAandCanAttach & os.family != "mac"
53 * @requires vm.gc != "Z"
54 * @modules java.base/jdk.internal.misc
55 * jdk.hotspot.agent/sun.jvm.hotspot
56 * jdk.hotspot.agent/sun.jvm.hotspot.utilities
57 * jdk.hotspot.agent/sun.jvm.hotspot.oops
58 * jdk.hotspot.agent/sun.jvm.hotspot.debugger
59 * @run main/othervm TestHeapDumpForInvokeDynamic
60 */
61
62 public class TestHeapDumpForInvokeDynamic {
63
64 private static LingeredAppWithInvokeDynamic theApp = null;
65
66 private static void verifyHeapDump(String heapFile) {
67
68 File heapDumpFile = new File(heapFile);
69 Asserts.assertTrue(heapDumpFile.exists() && heapDumpFile.isFile(),
70 "Could not create dump file " + heapDumpFile.getAbsolutePath());
71 try (PositionDataInputStream in = new PositionDataInputStream(
72 new BufferedInputStream(new FileInputStream(heapFile)))) {
73 int i = in.readInt();
74 if (HprofReader.verifyMagicNumber(i)) {
75 Snapshot sshot;
76 HprofReader r = new HprofReader(heapFile, in, 0,
77 false, 0);
78 sshot = r.read();
79 } else {
80 throw new IOException("Unrecognized magic number: " + i);
81 }
82 } catch (Exception e) {
83 e.printStackTrace();
84 Asserts.fail("Could not read dump file " + heapFile);
85 } finally {
86 heapDumpFile.delete();
87 }
88 }
89
90 private static void attachDumpAndVerify(String heapDumpFileName,
91 long lingeredAppPid) throws Exception {
92
93 JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
94 launcher.addToolArg("jmap");
95 launcher.addToolArg("--binaryheap");
96 launcher.addToolArg("--dumpfile");
97 launcher.addToolArg(heapDumpFileName);
98 launcher.addToolArg("--pid");
99 launcher.addToolArg(Long.toString(lingeredAppPid));
100
101 ProcessBuilder processBuilder = new ProcessBuilder();
102 processBuilder.command(launcher.getCommand());
103 System.out.println(
104 processBuilder.command().stream().collect(Collectors.joining(" ")));
105
106 OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
107 SAOutput.shouldHaveExitValue(0);
108 SAOutput.shouldContain("heap written to");
109 SAOutput.shouldContain(heapDumpFileName);
110 System.out.println(SAOutput.getOutput());
111
112 verifyHeapDump(heapDumpFileName);
113 }
114
115 public static void main (String... args) throws Exception {
116
117 String heapDumpFileName = "lambdaHeapDump.bin";
118
119 File heapDumpFile = new File(heapDumpFileName);
120 if (heapDumpFile.exists()) {
121 heapDumpFile.delete();
122 }
123
124 try {
125 List<String> vmArgs = new ArrayList<String>();
126 vmArgs.add("-XX:+UsePerfData");
127 vmArgs.add("-Xmx512m");
128 vmArgs.addAll(Utils.getVmOptions());
129
130 theApp = new LingeredAppWithInvokeDynamic();
131 LingeredApp.startApp(vmArgs, theApp);
132 attachDumpAndVerify(heapDumpFileName, theApp.getPid());
133 } finally {
134 LingeredApp.stopApp(theApp);
135 }
136 }
137 }