1 /* 2 * Copyright (c) 2013, 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 package gc.arguments; 25 26 /** 27 * @test TestMinInitialErgonomics 28 * @key gc 29 * @bug 8006088 30 * @requires vm.gc.Parallel 31 * @summary Test Parallel GC ergonomics decisions related to minimum and initial heap size. 32 * @library /test/lib 33 * @library / 34 * @modules java.base/jdk.internal.misc 35 * java.management 36 * @build sun.hotspot.WhiteBox 37 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 38 * sun.hotspot.WhiteBox$WhiteBoxPermission 39 * @run main/othervm gc.arguments.TestMinInitialErgonomics 40 * @author thomas.schatzl@oracle.com 41 */ 42 43 public class TestMinInitialErgonomics { 44 main(String args[])45 public static void main(String args[]) throws Exception { 46 final String gcName = "-XX:+UseParallelGC"; 47 // check ergonomic decisions about minimum and initial heap size in 48 // a single gc only as ergonomics are the same everywhere. 49 TestMaxHeapSizeTools.checkMinInitialErgonomics(gcName); 50 } 51 } 52 53