1 /*

     2  * Copyright (c) 2015, 2018, 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  *

    23  */

    24 

    25 /*

    26  * @test

    27  * @summary Basic shared string test with large pages

    28  * @requires vm.cds.archived.java.heap

    29  * @library /test/lib /test/hotspot/jtreg/runtime/appcds

    30  * @modules jdk.jartool/sun.tools.jar

    31  * @build HelloString

    32  * @run driver LargePages

    33  */

    34 public class LargePages {

    35     static final String CDS_LOGGING = "-Xlog:cds,cds+hashtables";

    36 

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

    38         SharedStringsUtils.run(args, LargePages::test);

    39     }

    40 

    41     public static void test(String[] args) throws Exception {

    42         SharedStringsUtils.buildJar("HelloString");

    43 

    44         SharedStringsUtils.dump(TestCommon.list("HelloString"),

    45             "SharedStringsBasic.txt", "-XX:+UseLargePages", CDS_LOGGING);

    46         SharedStringsUtils.runWithArchive("HelloString", "-XX:+UseLargePages");

    47 

    48         SharedStringsUtils.dump(TestCommon.list("HelloString"),

    49             "SharedStringsBasic.txt", CDS_LOGGING,

    50             "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace");

    51         SharedStringsUtils.runWithArchive("HelloString",

    52             "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace");

    53     }

    54 }