1 /* 2 * Copyright (c) 2013, 2020, 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; 25 26 /* 27 * @test TestSystemGCSerial 28 * @requires vm.gc.Serial 29 * @summary Runs System.gc() with different flags. 30 * @run main/othervm -XX:+UseSerialGC gc.TestSystemGC 31 */ 32 33 /* 34 * @test TestSystemGCParallel 35 * @requires vm.gc.Parallel 36 * @summary Runs System.gc() with different flags. 37 * @run main/othervm -XX:+UseParallelGC gc.TestSystemGC 38 */ 39 40 /* 41 * @test TestSystemGCG1 42 * @requires vm.gc.G1 43 * @summary Runs System.gc() with different flags. 44 * @run main/othervm -XX:+UseG1GC gc.TestSystemGC 45 * @run main/othervm -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent gc.TestSystemGC 46 * @run main/othervm -XX:+UseLargePages gc.TestSystemGC 47 */ 48 49 /* 50 * @test TestSystemGCShenandoah 51 * @requires vm.gc.Shenandoah 52 * @summary Runs System.gc() with different flags. 53 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC gc.TestSystemGC 54 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+ExplicitGCInvokesConcurrent gc.TestSystemGC 55 */ 56 public class TestSystemGC { 57 public static void main(String args[]) throws Exception { 58 System.gc(); 59 } 60 }