| /* |
| * Copyright (c) 2002, 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 |
| * @key stress gc |
| * |
| * @summary converted from VM Testbase gc/memory/UniThread/Linear1. |
| * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent] |
| * |
| * @library /vmTestbase |
| * /test/lib |
| * @run driver jdk.test.lib.FileInstaller . . |
| * @run main/othervm gc.memory.UniThread.Linear1.Linear1 -iterations 5 |
| */ |
| |
| package gc.memory.UniThread.Linear1; |
| |
| import nsk.share.test.*; |
| import nsk.share.gc.*; |
| |
| /** |
| * Test GC collection of linked lists. |
| * |
| * The test simply creates a series of singly |
| * linked memory objects which should be able to be |
| * GC'd. |
| * |
| * In this test the size of one object is small, the number |
| * of objects in one list is relatively small and the number |
| * of lists is large. |
| */ |
| public class Linear1 extends GCTestBase { |
| private int arraySize; |
| private int objectSize; |
| private int circularitySize; |
| private MemoryObject memoryArray[]; |
| |
| public Linear1() { |
| this(100, 5); |
| } |
| |
| public Linear1(int objectSize, int circularitySize) { |
| this.objectSize = objectSize; |
| this.circularitySize = circularitySize; |
| } |
| |
| public void run() { |
| arraySize = Memory.getArrayLength(runParams.getTestMemory(), Memory.getListSize(circularitySize, objectSize)); |
| log.debug("Array size: " + arraySize); |
| Stresser stresser = new Stresser(runParams.getStressOptions()); |
| memoryArray = new MemoryObject[arraySize]; |
| stresser.start(runParams.getIterations()); |
| try { |
| while (stresser.iteration()) { |
| log.debug(Runtime.getRuntime().freeMemory()); |
| for (int i = 0; i < arraySize && stresser.continueExecution(); ++i) { |
| memoryArray[i] = Memory.makeLinearList(circularitySize, objectSize); |
| } |
| } |
| } finally { |
| stresser.finish(); |
| } |
| System.out.println("Test passed."); |
| } |
| |
| public static void main(String args[]) { |
| GC.runTest(new Linear1(), args); |
| } |
| } |