54 lines
2.1 KiB
Java
54 lines
2.1 KiB
Java
/*
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* Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package gc;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.Platform;
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/*
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* @test TestCardTablePageCommits
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* @key gc
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* @bug 8059066
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* @summary Tests that the card table does not commit the same page twice
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* @requires vm.gc.Parallel
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* @run driver gc.TestCardTablePageCommits
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*/
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public class TestCardTablePageCommits {
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public static void main(String args[]) throws Exception {
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// The test is run with a small heap to make sure all pages in the card
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// table gets committed. Need 8 MB heap to trigger the bug on SPARC
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// because of 8kB pages, assume 4 KB pages for all other CPUs.
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String Xmx = Platform.isSparc() ? "-Xmx8m" : "-Xmx4m";
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String[] opts = {Xmx, "-XX:NativeMemoryTracking=detail", "-XX:+UseParallelGC", "-version"};
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(opts);
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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}
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}
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