Mercurial > hg > graal-jvmci-8
diff test/runtime/CDSCompressedKPtrs/XShareAuto.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 |
---|---|
date | Thu, 15 Aug 2013 20:04:10 -0400 |
parents | |
children | 35b99e7e0af2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/CDSCompressedKPtrs/XShareAuto.java Thu Aug 15 20:04:10 2013 -0400 @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8005933 + * @summary Test that -Xshare:auto uses CDS when explicitly specified with -server. + * @library /testlibrary + * @run main XShareAuto + */ + +import com.oracle.java.testlibrary.*; + +public class XShareAuto { + public static void main(String[] args) throws Exception { + if (!Platform.is64bit()) { + System.out.println("ObjectAlignmentInBytes for CDS is only " + + "supported on 64bit platforms; this plaform is " + + System.getProperty("sun.arch.data.model")); + System.out.println("Skipping the test"); + return; + } + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( + "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", + "-Xshare:dump"); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + output.shouldContain("Loading classes to share"); + output.shouldHaveExitValue(0); + + pb = ProcessTools.createJavaProcessBuilder( + "-server", "-XX:+UnlockDiagnosticVMOptions", + "-XX:SharedArchiveFile=./sample.jsa", "-version"); + output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("sharing"); + output.shouldHaveExitValue(0); + + pb = ProcessTools.createJavaProcessBuilder( + "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions", + "-XX:SharedArchiveFile=./sample.jsa", "-version"); + output = new OutputAnalyzer(pb.start()); + try { + output.shouldContain("sharing"); + output.shouldHaveExitValue(0); + } catch (RuntimeException e) { + // If this failed then check that it would also be unable + // to share even if -Xshare:on is specified. If so, then + // return a success status. + pb = ProcessTools.createJavaProcessBuilder( + "-server", "-Xshare:on", "-XX:+UnlockDiagnosticVMOptions", + "-XX:SharedArchiveFile=./sample.jsa", "-version"); + output = new OutputAnalyzer(pb.start()); + output.shouldContain("Could not allocate metaspace at a compatible address"); + output.shouldHaveExitValue(1); + } + } +}