Mercurial > hg > graal-compiler
view test/runtime/CompressedOops/CompressedClassPointers.java @ 16627:68deb37eed70
mx: fix permissions of copied bootstrap JDK files (don't make everything executable)
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Thu, 31 Jul 2014 12:00:23 +0200 |
parents | 4ca6dc0799b6 |
children |
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/* * 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 8024927 * @summary Testing address of compressed class pointer space as best as possible. * @library /testlibrary */ import com.oracle.java.testlibrary.*; public class CompressedClassPointers { public static void smallHeapTest() throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedBaseAddress=8g", "-Xmx128m", "-XX:+PrintCompressedOopsMode", "-XX:+VerifyBeforeGC", "-version"); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldContain("Narrow klass base: 0x0000000000000000"); output.shouldHaveExitValue(0); } public static void smallHeapTestWith3G() throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-XX:CompressedClassSpaceSize=3g", "-Xmx128m", "-XX:+PrintCompressedOopsMode", "-XX:+VerifyBeforeGC", "-version"); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldContain("Narrow klass base: 0x0000000000000000, Narrow klass shift: 3"); output.shouldHaveExitValue(0); } public static void largeHeapTest() throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-Xmx30g", "-XX:+PrintCompressedOopsMode", "-XX:+VerifyBeforeGC", "-version"); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldNotContain("Narrow klass base: 0x0000000000000000"); output.shouldContain("Narrow klass shift: 0"); output.shouldHaveExitValue(0); } public static void largePagesTest() throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-Xmx128m", "-XX:+UseLargePages", "-XX:+PrintCompressedOopsMode", "-XX:+VerifyBeforeGC", "-version"); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldContain("Narrow klass base:"); output.shouldHaveExitValue(0); } public static void sharingTest() throws Exception { // Test small heaps ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", "-Xmx128m", "-XX:SharedBaseAddress=8g", "-XX:+PrintCompressedOopsMode", "-XX:+VerifyBeforeGC", "-Xshare:dump"); OutputAnalyzer output = new OutputAnalyzer(pb.start()); try { output.shouldContain("Loading classes to share"); output.shouldHaveExitValue(0); pb = ProcessTools.createJavaProcessBuilder( "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa", "-Xmx128m", "-XX:SharedBaseAddress=8g", "-XX:+PrintCompressedOopsMode", "-Xshare:on", "-version"); output = new OutputAnalyzer(pb.start()); output.shouldContain("sharing"); output.shouldHaveExitValue(0); } catch (RuntimeException e) { output.shouldContain("Unable to use shared archive"); output.shouldHaveExitValue(1); } } public static void main(String[] args) throws Exception { if (!Platform.is64bit()) { // Can't test this on 32 bit, just pass System.out.println("Skipping test on 32bit"); return; } // Solaris 10 can't mmap compressed oops space without a base if (Platform.isSolaris()) { String name = System.getProperty("os.version"); if (name.equals("5.10")) { System.out.println("Skipping test on Solaris 10"); return; } } smallHeapTest(); smallHeapTestWith3G(); largeHeapTest(); largePagesTest(); sharingTest(); } }