1 /* 2 * Copyright (c) 2007, 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 * @test 26 * @key stress gc randomness 27 * 28 * @summary converted from VM Testbase gc/gctests/MemoryEaterMT. 29 * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent] 30 * 31 * @library /vmTestbase 32 * /test/lib 33 * @run driver jdk.test.lib.FileInstaller . . 34 * @run main/othervm -XX:-UseGCOverheadLimit gc.gctests.MemoryEaterMT.MemoryEaterMT 35 */ 36 37 package gc.gctests.MemoryEaterMT; 38 39 import nsk.share.gc.*; 40 41 /** 42 * This test simply does Algorithms.eatMemory() in a loop 43 * in multiple threads. 44 */ 45 public class MemoryEaterMT extends ThreadedGCTest { 46 47 private class Eater implements Runnable, OOMStress { 48 public void run() { 49 Algorithms.eatMemory(getExecutionController()); 50 } 51 } 52 53 protected Runnable createRunnable(int i) { 54 return new Eater(); 55 } 56 57 public static void main(String args[]) { 58 GC.runTest(new MemoryEaterMT(), args); 59 } 60 }