101 lines
5.5 KiB
Java
101 lines
5.5 KiB
Java
/*
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* Copyright (c) 2007, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
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*/
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/* @test id=booleanArr_medium @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp booleanArr -ms medium */
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/* @test id=floatArr_high @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp floatArr -ms high */
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/* @test id=objectArr_low @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp objectArr -ms low */
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/* @test id=objectArr_medium @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp objectArr -ms medium */
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/* @test id=objectArr_high @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp objectArr -ms high */
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/* @test id=h_doubleArr_low @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp hashed(doubleArr) -ms low */
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/* @test id=h_doubleArr_high @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp hashed(doubleArr) -ms high */
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/* @test id=h_objectArr_low @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp hashed(objectArr) -ms low */
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/* @test id=h_objectArr_medium @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp hashed(objectArr) -ms medium */
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/* @test id=h_objectArr_high @key stress randomness @library /vmTestbase /test/lib @run main/othervm -XX:+HeapDumpOnOutOfMemoryError -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle3 -gp hashed(objectArr) -ms high */
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package gc.ArrayJuggle;
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import nsk.share.test.*;
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import nsk.share.gc.*;
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import nsk.share.gc.gp.*;
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/**
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* This test randomly replaces elements of an array with new objects
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* using given garbage producer and memory strategy. This class was
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* renamed from Juggle01 to Juggle3 to better distinguice it from
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* Juggle1.
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*/
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public class Juggle3 extends ThreadedGCTest implements GarbageProducerAware, MemoryStrategyAware {
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private GarbageProducer garbageProducer;
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private MemoryStrategy memoryStrategy;
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private Object[] array;
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private Object[] indexLocks;
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long objectSize;
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private class Juggler implements Runnable {
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public void run() {
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int index = LocalRandom.nextInt(array.length);
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// Synchronizing to prevent multiple object creation for the same index at the same time.
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synchronized (indexLocks[index]) {
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array[index] = null;
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array[index] = garbageProducer.create(objectSize);
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}
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}
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}
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protected Runnable createRunnable(int i) {
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return new Juggler();
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}
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public void run() {
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log.debug("Garbage producer: " + garbageProducer);
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log.debug("Memory strategy: " + memoryStrategy);
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long memory = runParams.getTestMemory();
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int objectCount = memoryStrategy.getCount(memory);
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objectSize = memoryStrategy.getSize(memory);
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log.debug("Object count: " + objectCount);
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log.debug("Object size: " + objectSize);
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array = new Object[objectCount - 1];
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indexLocks = new Object[objectCount - 1];
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for (int i = 0; i < indexLocks.length; i++) {
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indexLocks[i] = new Object();
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}
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super.run();
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}
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public void setGarbageProducer(GarbageProducer garbageProducer) {
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this.garbageProducer = garbageProducer;
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}
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public void setMemoryStrategy(MemoryStrategy memoryStrategy) {
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this.memoryStrategy = memoryStrategy;
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}
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public static void main(String[] args) {
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GC.runTest(new Juggle3(), args);
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}
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}
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