Mercurial > hg > truffle

annotate test/gc/class_unloading/TestG1ClassUnloadingHWM.java @ 20382:b1266b08b994

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8056043: Heap does not shrink within the heap after JDK-8038423 Summary: Enable shrinking within the heap by removing some code added for JDK-8054818. Enable the test case that checks that again too. Reviewed-by: jwilhelm, jmasa
author tschatzl
date Wed, 03 Sep 2014 09:24:07 +0200
parents 8a7429682242
children 85f4c4ecc963
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
20282
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
1 /*
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
4 *
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
7 * published by the Free Software Foundation.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
8 *
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
13 * accompanied this code).
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
14 *
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
18 *
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
21 * questions.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
22 */
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
23
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
24 /*
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
25 * @test
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
26 * @key gc
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
27 * @bug 8049831
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
28 * @library /testlibrary /testlibrary/whitebox
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
29 * @build TestG1ClassUnloadingHWM AllocateBeyondMetaspaceSize
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
30 * @run main ClassFileInstaller sun.hotspot.WhiteBox
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
31 * @run driver TestG1ClassUnloadingHWM
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
32 * @summary Test that -XX:-ClassUnloadingWithConcurrentMark will trigger a Full GC when more than MetaspaceSize metadata is allocated.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
33 */
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
34
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
35 import com.oracle.java.testlibrary.OutputAnalyzer;
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
36 import com.oracle.java.testlibrary.ProcessTools;
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
37
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
38 import java.util.ArrayList;
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
39 import java.util.Arrays;
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
40
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
41 public class TestG1ClassUnloadingHWM {
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
42 private static long MetaspaceSize = 32 * 1024 * 1024;
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
43 private static long YoungGenSize = 32 * 1024 * 1024;
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
44
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
45 private static OutputAnalyzer run(boolean enableUnloading) throws Exception {
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
46 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
47 "-Xbootclasspath/a:.",
20330
8a7429682242 8055275: Several gc/class_unloading/ tests fail due to missed +UnlockDiagnosticVMOptions flag
stefank
parents: 20282
diff changeset
48 "-XX:+UnlockDiagnosticVMOptions",
20282
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
49 "-XX:+WhiteBoxAPI",
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
50 "-XX:MetaspaceSize=" + MetaspaceSize,
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
51 "-Xmn" + YoungGenSize,
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
52 "-XX:+UseG1GC",
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
53 "-XX:" + (enableUnloading ? "+" : "-") + "ClassUnloadingWithConcurrentMark",
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
54 "-XX:+PrintHeapAtGC",
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
55 "-XX:+PrintGCDetails",
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
56 "AllocateBeyondMetaspaceSize",
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
57 "" + MetaspaceSize,
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
58 "" + YoungGenSize);
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
59 return new OutputAnalyzer(pb.start());
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
60 }
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
61
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
62 public static OutputAnalyzer runWithG1ClassUnloading() throws Exception {
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
63 return run(true);
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
64 }
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
65
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
66 public static OutputAnalyzer runWithoutG1ClassUnloading() throws Exception {
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
67 return run(false);
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
68 }
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
69
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
70 public static void testWithoutG1ClassUnloading() throws Exception {
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
71 // -XX:-ClassUnloadingWithConcurrentMark is used, so we expect a full GC instead of a concurrent cycle.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
72 OutputAnalyzer out = runWithoutG1ClassUnloading();
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
73
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
74 out.shouldMatch(".*Full GC.*");
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
75 out.shouldNotMatch(".*initial-mark.*");
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
76 }
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
77
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
78 public static void testWithG1ClassUnloading() throws Exception {
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
79 // -XX:+ClassUnloadingWithConcurrentMark is used, so we expect a concurrent cycle instead of a full GC.
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
80 OutputAnalyzer out = runWithG1ClassUnloading();
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
81
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
82 out.shouldMatch(".*initial-mark.*");
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
83 out.shouldNotMatch(".*Full GC.*");
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
84 }
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
85
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
86 public static void main(String args[]) throws Exception {
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
87 testWithG1ClassUnloading();
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
88 testWithoutG1ClassUnloading();
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
89 }
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
90 }
f3aeae1f9fc5 8048269: Add flag to turn off class unloading after G1 concurrent mark
stefank
parents:
diff changeset
91