| /* |
| * Copyright (c) 2014, 2016, 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 |
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| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
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| */ |
| |
| /* @test TestLargePageSizeInBytes |
| * @summary Tests that the flag -XX:LargePageSizeInBytes does not cause warnings on Solaris |
| * @bug 8049536 |
| * @library /test/lib |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * @run driver TestLargePageSizeInBytes |
| */ |
| |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.Platform; |
| import jdk.test.lib.process.ProcessTools; |
| |
| public class TestLargePageSizeInBytes { |
| private static long M = 1024L * 1024L; |
| private static long G = 1024L * M; |
| |
| public static void main(String[] args) throws Exception { |
| if (!Platform.isSolaris()) { |
| // We only use the syscall mencntl on Solaris |
| return; |
| } |
| |
| testLargePageSizeInBytes(4 * M); |
| testLargePageSizeInBytes(256 * M); |
| testLargePageSizeInBytes(512 * M); |
| testLargePageSizeInBytes(2 * G); |
| } |
| |
| private static void testLargePageSizeInBytes(long size) throws Exception { |
| ProcessBuilder pb = |
| ProcessTools.createJavaProcessBuilder("-XX:+UseLargePages", |
| "-XX:LargePageSizeInBytes=" + size, |
| "-version"); |
| |
| OutputAnalyzer out = new OutputAnalyzer(pb.start()); |
| out.shouldNotContain("Attempt to use MPSS failed."); |
| out.shouldHaveExitValue(0); |
| } |
| } |