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 }