/* * Copyright (c) 2015, 2018, 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 * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /* * @test * @summary Basic shared string test with large pages * @requires vm.cds.archived.java.heap * @library /test/lib /test/hotspot/jtreg/runtime/appcds * @modules jdk.jartool/sun.tools.jar * @build HelloString * @run driver LargePages * @run driver LargePages -XX:+UseStringDeduplication * @run driver LargePages -XX:-CompactStrings */ public class LargePages { static final String CDS_LOGGING = "-Xlog:cds,cds+hashtables"; public static void main(String[] args) throws Exception { SharedStringsUtils.setVMOptionsPrefix(args); SharedStringsUtils.buildJar("HelloString"); SharedStringsUtils.dump(TestCommon.list("HelloString"), "SharedStringsBasic.txt", "-XX:+UseLargePages", CDS_LOGGING); SharedStringsUtils.runWithArchive("HelloString", "-XX:+UseLargePages"); SharedStringsUtils.dump(TestCommon.list("HelloString"), "SharedStringsBasic.txt", CDS_LOGGING, "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace"); SharedStringsUtils.runWithArchive("HelloString", "-XX:+UseLargePages", "-XX:+UseLargePagesInMetaspace"); } }