Thu, 26 Sep 2013 10:25:02 -0400
7195622: CheckUnhandledOops has limited usefulness now
Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
Contributed-by: lois.foltan@oracle.com
ctornqvi@5257 | 1 | /* |
ctornqvi@5257 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
ctornqvi@5257 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ctornqvi@5257 | 4 | * |
ctornqvi@5257 | 5 | * This code is free software; you can redistribute it and/or modify it |
ctornqvi@5257 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ctornqvi@5257 | 7 | * published by the Free Software Foundation. |
ctornqvi@5257 | 8 | * |
ctornqvi@5257 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ctornqvi@5257 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ctornqvi@5257 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ctornqvi@5257 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
ctornqvi@5257 | 13 | * accompanied this code). |
ctornqvi@5257 | 14 | * |
ctornqvi@5257 | 15 | * You should have received a copy of the GNU General Public License version |
ctornqvi@5257 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
ctornqvi@5257 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ctornqvi@5257 | 18 | * |
ctornqvi@5257 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ctornqvi@5257 | 20 | * or visit www.oracle.com if you need additional information or have any |
ctornqvi@5257 | 21 | * questions. |
ctornqvi@5257 | 22 | */ |
ctornqvi@5257 | 23 | |
ctornqvi@5257 | 24 | /* |
ctornqvi@5257 | 25 | * @test CdsSameObjectAlignment |
ctornqvi@5257 | 26 | * @summary Testing CDS (class data sharing) using varying object alignment. |
ctornqvi@5257 | 27 | * Using same object alignment for each dump/load pair |
ctornqvi@5257 | 28 | * @library /testlibrary |
ctornqvi@5257 | 29 | */ |
ctornqvi@5257 | 30 | |
ctornqvi@5257 | 31 | import com.oracle.java.testlibrary.*; |
ctornqvi@5257 | 32 | |
ctornqvi@5257 | 33 | public class CdsSameObjectAlignment { |
ctornqvi@5257 | 34 | public static void main(String[] args) throws Exception { |
ctornqvi@5257 | 35 | String nativeWordSize = System.getProperty("sun.arch.data.model"); |
ctornqvi@5257 | 36 | if (!Platform.is64bit()) { |
ctornqvi@5257 | 37 | System.out.println("ObjectAlignmentInBytes for CDS is only " + |
ctornqvi@5257 | 38 | "supported on 64bit platforms; this plaform is " + |
ctornqvi@5257 | 39 | nativeWordSize); |
ctornqvi@5257 | 40 | System.out.println("Skipping the test"); |
ctornqvi@5257 | 41 | } else { |
ctornqvi@5257 | 42 | dumpAndLoadSharedArchive(8); |
ctornqvi@5257 | 43 | dumpAndLoadSharedArchive(16); |
ctornqvi@5257 | 44 | dumpAndLoadSharedArchive(32); |
ctornqvi@5257 | 45 | dumpAndLoadSharedArchive(64); |
ctornqvi@5257 | 46 | } |
ctornqvi@5257 | 47 | } |
ctornqvi@5257 | 48 | |
ctornqvi@5257 | 49 | private static void |
ctornqvi@5257 | 50 | dumpAndLoadSharedArchive(int objectAlignmentInBytes) throws Exception { |
ctornqvi@5257 | 51 | String objectAlignmentArg = "-XX:ObjectAlignmentInBytes=" |
ctornqvi@5257 | 52 | + objectAlignmentInBytes; |
ctornqvi@5257 | 53 | System.out.println("dumpAndLoadSharedArchive(): objectAlignmentInBytes = " |
ctornqvi@5257 | 54 | + objectAlignmentInBytes); |
ctornqvi@5257 | 55 | |
ctornqvi@5257 | 56 | // create shared archive |
ctornqvi@5257 | 57 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
ctornqvi@5257 | 58 | "-XX:+UnlockDiagnosticVMOptions", |
ctornqvi@5257 | 59 | "-XX:SharedArchiveFile=./sample.jsa", |
ctornqvi@5257 | 60 | "-Xshare:dump", |
ctornqvi@5257 | 61 | objectAlignmentArg); |
ctornqvi@5257 | 62 | |
ctornqvi@5257 | 63 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
ctornqvi@5257 | 64 | output.shouldContain("Loading classes to share"); |
ctornqvi@5257 | 65 | output.shouldHaveExitValue(0); |
ctornqvi@5257 | 66 | |
ctornqvi@5257 | 67 | |
ctornqvi@5257 | 68 | // run using the shared archive |
ctornqvi@5257 | 69 | pb = ProcessTools.createJavaProcessBuilder( |
ctornqvi@5257 | 70 | "-XX:+UnlockDiagnosticVMOptions", |
ctornqvi@5257 | 71 | "-XX:SharedArchiveFile=./sample.jsa", |
ctornqvi@5257 | 72 | "-Xshare:on", |
ctornqvi@5257 | 73 | objectAlignmentArg, |
ctornqvi@5257 | 74 | "-version"); |
ctornqvi@5257 | 75 | |
ctornqvi@5257 | 76 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@5257 | 77 | |
ctornqvi@5257 | 78 | try { |
ctornqvi@5257 | 79 | output.shouldContain("sharing"); |
ctornqvi@5257 | 80 | output.shouldHaveExitValue(0); |
ctornqvi@5257 | 81 | } catch (RuntimeException e) { |
ctornqvi@5257 | 82 | // CDS uses absolute addresses for performance. |
ctornqvi@5257 | 83 | // It will try to reserve memory at a specific address; |
ctornqvi@5257 | 84 | // there is a chance such reservation will fail |
ctornqvi@5257 | 85 | // If it does, it is NOT considered a failure of the feature, |
ctornqvi@5257 | 86 | // rather a possible expected outcome, though not likely |
hseigel@5625 | 87 | output.shouldContain("Unable to use shared archive"); |
ctornqvi@5257 | 88 | output.shouldHaveExitValue(1); |
ctornqvi@5257 | 89 | } |
ctornqvi@5257 | 90 | } |
ctornqvi@5257 | 91 | } |