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test/runtime/CDSCompressedKPtrs/XShareAuto.java@740e263c80c6
test/runtime/CDSCompressedKPtrs/XShareAuto.java
Thu, 15 Aug 2013 20:04:10 -0400
- author
- hseigel
- date
- Thu, 15 Aug 2013 20:04:10 -0400
- changeset 5528
- 740e263c80c6
- child 5625
- 35b99e7e0af2
- permissions
- -rw-r--r--
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
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 */
24 /*
25 * @test
26 * @bug 8005933
27 * @summary Test that -Xshare:auto uses CDS when explicitly specified with -server.
28 * @library /testlibrary
29 * @run main XShareAuto
30 */
32 import com.oracle.java.testlibrary.*;
34 public class XShareAuto {
35 public static void main(String[] args) throws Exception {
36 if (!Platform.is64bit()) {
37 System.out.println("ObjectAlignmentInBytes for CDS is only " +
38 "supported on 64bit platforms; this plaform is " +
39 System.getProperty("sun.arch.data.model"));
40 System.out.println("Skipping the test");
41 return;
42 }
43 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
44 "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa",
45 "-Xshare:dump");
46 OutputAnalyzer output = new OutputAnalyzer(pb.start());
47 output.shouldContain("Loading classes to share");
48 output.shouldHaveExitValue(0);
50 pb = ProcessTools.createJavaProcessBuilder(
51 "-server", "-XX:+UnlockDiagnosticVMOptions",
52 "-XX:SharedArchiveFile=./sample.jsa", "-version");
53 output = new OutputAnalyzer(pb.start());
54 output.shouldNotContain("sharing");
55 output.shouldHaveExitValue(0);
57 pb = ProcessTools.createJavaProcessBuilder(
58 "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions",
59 "-XX:SharedArchiveFile=./sample.jsa", "-version");
60 output = new OutputAnalyzer(pb.start());
61 try {
62 output.shouldContain("sharing");
63 output.shouldHaveExitValue(0);
64 } catch (RuntimeException e) {
65 // If this failed then check that it would also be unable
66 // to share even if -Xshare:on is specified. If so, then
67 // return a success status.
68 pb = ProcessTools.createJavaProcessBuilder(
69 "-server", "-Xshare:on", "-XX:+UnlockDiagnosticVMOptions",
70 "-XX:SharedArchiveFile=./sample.jsa", "-version");
71 output = new OutputAnalyzer(pb.start());
72 output.shouldContain("Could not allocate metaspace at a compatible address");
73 output.shouldHaveExitValue(1);
74 }
75 }
76 }
