Mercurial > hg > truffle

annotate test/gc/metaspace/G1AddMetaspaceDependency.java @ 12347:77a774ab3cf0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8012525: gc/metaspace/G1AddMetaspaceDependency.java Test fails a safepoint timeout assertion or hangs. Reviewed-by: brutisso, tschatzl
author mgerdin
date Wed, 02 Oct 2013 14:33:32 +0200
parents ba42fd5e00e6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9075
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
1 /*
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
4 *
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
7 * published by the Free Software Foundation.
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
8 *
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
13 * accompanied this code).
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
14 *
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
18 *
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
21 * questions.
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
22 */
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
23
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
24 /*
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
25 * @test G1AddMetaspaceDependency
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
26 * @bug 8010196
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
27 * @summary Checks that we don't get locking problems when adding metaspace dependencies with the G1 update buffer monitor
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
28 * @run main/othervm -XX:+UseG1GC -XX:G1UpdateBufferSize=1 G1AddMetaspaceDependency
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
29 */
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
30
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
31 import java.io.InputStream;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
32
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
33 public class G1AddMetaspaceDependency {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
34
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
35 static byte[] getClassBytes(String name) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
36 byte[] b = null;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
37 try (InputStream is = ClassLoader.getSystemResourceAsStream(name)) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
38 byte[] tmp = new byte[is.available()];
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
39 is.read(tmp);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
40 b = tmp;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
41 } finally {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
42 if (b == null) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
43 throw new RuntimeException("Unable to load class file");
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
44 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
45 return b;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
46 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
47 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
48
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
49 static final String a_name = G1AddMetaspaceDependency.class.getName() + "$A";
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
50 static final String b_name = G1AddMetaspaceDependency.class.getName() + "$B";
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
51
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
52 public static void main(String... args) throws Exception {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
53 final byte[] a_bytes = getClassBytes(a_name + ".class");
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
54 final byte[] b_bytes = getClassBytes(b_name + ".class");
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
55
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
56 for (int i = 0; i < 1000; i += 1) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
57 runTest(a_bytes, b_bytes);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
58 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
59 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
60
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
61 static class Loader extends ClassLoader {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
62 private final String myClass;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
63 private final byte[] myBytes;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
64 private final String friendClass;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
65 private final ClassLoader friendLoader;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
66
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
67 Loader(String myClass, byte[] myBytes,
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
68 String friendClass, ClassLoader friendLoader) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
69 this.myClass = myClass;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
70 this.myBytes = myBytes;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
71 this.friendClass = friendClass;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
72 this.friendLoader = friendLoader;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
73 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
74
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
75 Loader(String myClass, byte[] myBytes) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
76 this(myClass, myBytes, null, null);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
77 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
78
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
79 @Override
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
80 public Class<?> loadClass(String name) throws ClassNotFoundException {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
81 Class<?> c = findLoadedClass(name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
82 if (c != null) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
83 return c;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
84 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
85
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
86 if (name.equals(friendClass)) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
87 return friendLoader.loadClass(name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
88 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
89
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
90 if (name.equals(myClass)) {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
91 c = defineClass(name, myBytes, 0, myBytes.length);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
92 resolveClass(c);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
93 return c;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
94 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
95
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
96 return findSystemClass(name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
97 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
98
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
99 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
100
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
101 private static void runTest(final byte[] a_bytes, final byte[] b_bytes) throws Exception {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
102 Loader a_loader = new Loader(a_name, a_bytes);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
103 Loader b_loader = new Loader(b_name, b_bytes, a_name, a_loader);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
104 Loader c_loader = new Loader(b_name, b_bytes, a_name, a_loader);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
105 Loader d_loader = new Loader(b_name, b_bytes, a_name, a_loader);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
106 Loader e_loader = new Loader(b_name, b_bytes, a_name, a_loader);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
107 Loader f_loader = new Loader(b_name, b_bytes, a_name, a_loader);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
108 Loader g_loader = new Loader(b_name, b_bytes, a_name, a_loader);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
109
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
110 Class<?> c;
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
111 c = b_loader.loadClass(b_name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
112 c = c_loader.loadClass(b_name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
113 c = d_loader.loadClass(b_name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
114 c = e_loader.loadClass(b_name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
115 c = f_loader.loadClass(b_name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
116 c = g_loader.loadClass(b_name);
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
117 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
118 public class A {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
119 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
120 class B extends A {
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
121 }
ba42fd5e00e6 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
mgerdin
parents:
diff changeset
122 }