jdk8-mips64-public/hotspot: test/runtime/memory/LargePages/TestLargePageSizeInBytes.java@41a855ff6305

8049536: os::commit_memory on Solaris uses aligment_hint as page size
Reviewed-by: stefank, tschatzl

     1 /*

     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /* @test TestLargePageSizeInBytes

    25  * @summary Tests that the flag -XX:LargePageSizeInBytes does not cause warnings on Solaris

    26  * @bug 8049536

    27  * @library /testlibrary

    28  * @run driver TestLargePageSizeInBytes

    29  */

    31 import com.oracle.java.testlibrary.OutputAnalyzer;

    32 import com.oracle.java.testlibrary.Platform;

    33 import com.oracle.java.testlibrary.ProcessTools;

    35 public class TestLargePageSizeInBytes {

    36     private static long M = 1024L * 1024L;

    37     private static long G = 1024L * M;

    39     public static void main(String[] args) throws Exception {

    40         if (!Platform.isSolaris()) {

    41             // We only use the syscall mencntl on Solaris

    42             return;

    43         }

    45         testLargePageSizeInBytes(4 * M);

    46         testLargePageSizeInBytes(256 * M);

    47         testLargePageSizeInBytes(512 * M);

    48         testLargePageSizeInBytes(2 * G);

    49     }

    51     private static void testLargePageSizeInBytes(long size) throws Exception {

    52         ProcessBuilder pb =

    53             ProcessTools.createJavaProcessBuilder("-XX:+UseLargePages",

    54                                                   "-XX:LargePageSizeInBytes=" + size,

    55                                                   "-version");

    57         OutputAnalyzer out = new OutputAnalyzer(pb.start());

    58         out.shouldNotContain("Attempt to use MPSS failed.");

    59         out.shouldHaveExitValue(0);

    60     }

    61 }

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