Mercurial > hg > truffle
annotate test/runtime/SharedArchiveFile/CdsSameObjectAlignment.java @ 12157:35b99e7e0af2
8023381: VM fails to initialize in runtime/CDSCompressedKPtrs/XShareAuto.java runtime/SharedArchiveFile/CdsSameObjectAlignment.java
Summary: Improve handling when CDS archive cannot be mapped
Reviewed-by: kvn, dholmes, mseledtsov
| author | hseigel |
|---|---|
| date | Sun, 01 Sep 2013 10:37:01 -0400 |
| parents | 740e263c80c6 |
| children |
| rev | line source |
|---|---|
| 10971 | 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 CdsSameObjectAlignment | |
| 26 * @summary Testing CDS (class data sharing) using varying object alignment. | |
| 27 * Using same object alignment for each dump/load pair | |
| 28 * @library /testlibrary | |
| 29 */ | |
| 30 | |
| 31 import com.oracle.java.testlibrary.*; | |
| 32 | |
| 33 public class CdsSameObjectAlignment { | |
| 34 public static void main(String[] args) throws Exception { | |
| 35 String nativeWordSize = System.getProperty("sun.arch.data.model"); | |
| 36 if (!Platform.is64bit()) { | |
| 37 System.out.println("ObjectAlignmentInBytes for CDS is only " + | |
| 38 "supported on 64bit platforms; this plaform is " + | |
| 39 nativeWordSize); | |
| 40 System.out.println("Skipping the test"); | |
| 41 } else { | |
| 42 dumpAndLoadSharedArchive(8); | |
| 43 dumpAndLoadSharedArchive(16); | |
| 44 dumpAndLoadSharedArchive(32); | |
| 45 dumpAndLoadSharedArchive(64); | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 private static void | |
| 50 dumpAndLoadSharedArchive(int objectAlignmentInBytes) throws Exception { | |
| 51 String objectAlignmentArg = "-XX:ObjectAlignmentInBytes=" | |
| 52 + objectAlignmentInBytes; | |
| 53 System.out.println("dumpAndLoadSharedArchive(): objectAlignmentInBytes = " | |
| 54 + objectAlignmentInBytes); | |
| 55 | |
| 56 // create shared archive | |
| 57 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( | |
| 58 "-XX:+UnlockDiagnosticVMOptions", | |
| 59 "-XX:SharedArchiveFile=./sample.jsa", | |
| 60 "-Xshare:dump", | |
| 61 objectAlignmentArg); | |
| 62 | |
| 63 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
| 64 output.shouldContain("Loading classes to share"); | |
| 65 output.shouldHaveExitValue(0); | |
| 66 | |
| 67 | |
| 68 // run using the shared archive | |
| 69 pb = ProcessTools.createJavaProcessBuilder( | |
| 70 "-XX:+UnlockDiagnosticVMOptions", | |
| 71 "-XX:SharedArchiveFile=./sample.jsa", | |
| 72 "-Xshare:on", | |
| 73 objectAlignmentArg, | |
| 74 "-version"); | |
| 75 | |
| 76 output = new OutputAnalyzer(pb.start()); | |
| 77 | |
| 78 try { | |
| 79 output.shouldContain("sharing"); | |
| 80 output.shouldHaveExitValue(0); | |
| 81 } catch (RuntimeException e) { | |
| 82 // CDS uses absolute addresses for performance. | |
| 83 // It will try to reserve memory at a specific address; | |
| 84 // there is a chance such reservation will fail | |
| 85 // If it does, it is NOT considered a failure of the feature, | |
| 86 // rather a possible expected outcome, though not likely | |
|
12157
35b99e7e0af2
8023381: VM fails to initialize in runtime/CDSCompressedKPtrs/XShareAuto.java runtime/SharedArchiveFile/CdsSameObjectAlignment.java
hseigel
parents:
12056
diff
changeset
|
87 output.shouldContain("Unable to use shared archive"); |
| 10971 | 88 output.shouldHaveExitValue(1); |
| 89 } | |
| 90 } | |
| 91 } |