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comparison test/runtime/CDSCompressedKPtrs/CDSCompressedKPtrs.java @ 12056:740e263c80c6

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8003424: Enable Class Data Sharing for CompressedOops 8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops 8005933: The -Xshare:auto option is ignored for -server Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs. Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
author hseigel
date Thu, 15 Aug 2013 20:04:10 -0400
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children 35b99e7e0af2
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12055:d96f52012aaa 12056:740e263c80c6
1 /*
2 * Copyright (c) 2013, 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 /*
25 * @test
26 * @bug 8003424
27 * @summary Testing UseCompressedKlassPointers with CDS
28 * @library /testlibrary
29 * @run main CDSCompressedKPtrs
30 */
31
32 import com.oracle.java.testlibrary.*;
33
34 public class CDSCompressedKPtrs {
35 public static void main(String[] args) throws Exception {
36 ProcessBuilder pb;
37 if (Platform.is64bit()) {
38 pb = ProcessTools.createJavaProcessBuilder(
39 "-XX:+UseCompressedKlassPointers", "-XX:+UseCompressedOops",
40 "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:dump");
41 OutputAnalyzer output = new OutputAnalyzer(pb.start());
42 try {
43 output.shouldContain("Loading classes to share");
44 output.shouldHaveExitValue(0);
45
46 pb = ProcessTools.createJavaProcessBuilder(
47 "-XX:+UseCompressedKlassPointers", "-XX:+UseCompressedOops",
48 "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:on", "-version");
49 output = new OutputAnalyzer(pb.start());
50 output.shouldContain("sharing");
51 output.shouldHaveExitValue(0);
52
53 } catch (RuntimeException e) {
54 // Report 'passed' if CDS was turned off because we could not allocate
55 // the klass metaspace at an address that would work with CDS.
56 output.shouldContain("Could not allocate metaspace at a compatible address");
57 output.shouldHaveExitValue(1);
58 }
59 }
60 }
61 }