1 /* 2 * Copyright (c) 2013, 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 * @test TestSystemGC 26 * @key gc 27 * @summary Runs System.gc() with different flags. 28 * @run main/othervm TestSystemGC 29 * @run main/othervm -XX:+UseSerialGC TestSystemGC 30 * @run main/othervm -XX:+UseParNewGC TestSystemGC 31 * @run main/othervm -XX:+UseParallelGC TestSystemGC 32 * @run main/othervm -XX:+UseParallelGC -XX:-UseParallelOldGC TestSystemGC 33 * @run main/othervm -XX:+UseConcMarkSweepGC TestSystemGC 34 * @run main/othervm -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC 35 * @run main/othervm -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent -XX:-UseParNewGC TestSystemGC 36 * @run main/othervm -XX:+UseG1GC TestSystemGC 37 * @run main/othervm -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent TestSystemGC 38 * @run main/othervm -XX:+UseLargePages TestSystemGC 39 * @run main/othervm -XX:+UseLargePages -XX:+UseLargePagesInMetaspace TestSystemGC 40 */ 41 42 public class TestSystemGC { 43 public static void main(String args[]) throws Exception { 44 System.gc(); 45 } 46 }