TestCardTablePageCommits.java revision 11833:1cbffa2beba6
190075Sobrien/* 2132718Skan* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. 3169689Skan* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 490075Sobrien* 590075Sobrien* This code is free software; you can redistribute it and/or modify it 690075Sobrien* under the terms of the GNU General Public License version 2 only, as 790075Sobrien* published by the Free Software Foundation. 8132718Skan* 990075Sobrien* This code is distributed in the hope that it will be useful, but WITHOUT 10132718Skan* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11132718Skan* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12132718Skan* version 2 for more details (a copy is included in the LICENSE file that 13132718Skan* accompanied this code). 1490075Sobrien* 15132718Skan* You should have received a copy of the GNU General Public License version 16132718Skan* 2 along with this work; if not, write to the Free Software Foundation, 17132718Skan* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18132718Skan* 1990075Sobrien* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20132718Skan* or visit www.oracle.com if you need additional information or have any 21132718Skan* questions. 22169689Skan*/ 23169689Skan 24169689Skanimport jdk.test.lib.JDKToolFinder; 2590075Sobrienimport jdk.test.lib.process.ProcessTools; 2690075Sobrienimport jdk.test.lib.process.OutputAnalyzer; 27132718Skanimport jdk.test.lib.Platform; 28132718Skan 2990075Sobrien/* 3090075Sobrien * @test TestCardTablePageCommits 3190075Sobrien * @key gc 3290075Sobrien * @bug 8059066 3390075Sobrien * @summary Tests that the card table does not commit the same page twice 3490075Sobrien * @requires vm.gc.Parallel 3590075Sobrien * @library /test/lib 3690075Sobrien * @modules java.base/jdk.internal.misc 3790075Sobrien * java.management 3890075Sobrien * @run driver TestCardTablePageCommits 3990075Sobrien */ 4090075Sobrienpublic class TestCardTablePageCommits { 4190075Sobrien public static void main(String args[]) throws Exception { 4290075Sobrien // The test is run with a small heap to make sure all pages in the card 4390075Sobrien // table gets committed. Need 8 MB heap to trigger the bug on SPARC 4490075Sobrien // because of 8kB pages, assume 4 KB pages for all other CPUs. 4590075Sobrien String Xmx = Platform.isSparc() ? "-Xmx8m" : "-Xmx4m"; 4690075Sobrien 4790075Sobrien String[] opts = {Xmx, "-XX:NativeMemoryTracking=detail", "-XX:+UseParallelGC", "-version"}; 4890075Sobrien ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(opts); 4990075Sobrien OutputAnalyzer output = new OutputAnalyzer(pb.start()); 5090075Sobrien output.shouldHaveExitValue(0); 5190075Sobrien } 5290075Sobrien} 53132718Skan