Mercurial > hg > truffle
comparison test/runtime/CDSCompressedKPtrs/CDSCompressedKPtrs.java @ 12056:740e263c80c6
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 |
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date | Thu, 15 Aug 2013 20:04:10 -0400 |
parents | |
children | 35b99e7e0af2 |
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12055:d96f52012aaa | 12056:740e263c80c6 |
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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 } |