1 /*
   2  * Copyright (c) 2015, 2019, 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/cds/appcds
  30  * @build HelloString
  31  * @run driver LargePages
  32  */
  33 public class LargePages {
  34     static final String CDS_LOGGING = "-Xlog:cds,cds+hashtables";
  35 
  36     public static void main(String[] args) throws Exception {
  37         SharedStringsUtils.run(args, LargePages::test);
  38     }
  39 
  40     public static void test(String[] args) throws Exception {
  41         SharedStringsUtils.buildJar("HelloString");
  42 
  43         SharedStringsUtils.dump(TestCommon.list("HelloString"),
  44             "SharedStringsBasic.txt", "-XX:+UseLargePages", CDS_LOGGING);
  45         SharedStringsUtils.runWithArchive("HelloString", "-XX:+UseLargePages");
  46 
  47         SharedStringsUtils.dump(TestCommon.list("HelloString"),
  48             "SharedStringsBasic.txt", CDS_LOGGING,
  49             "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace");
  50         SharedStringsUtils.runWithArchive("HelloString",
  51             "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace");
  52     }
  53 }