78 lines
3.0 KiB
Java
78 lines
3.0 KiB
Java
/*
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* Copyright (c) 2007, 2022, 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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* @test
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* @key stress randomness
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*
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* @summary converted from VM Testbase gc/gctests/LoadUnloadGC2.
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* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, quick]
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*
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* @library /vmTestbase
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* /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI gc.gctests.LoadUnloadGC2.LoadUnloadGC2
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*/
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package gc.gctests.LoadUnloadGC2;
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import jdk.test.whitebox.WhiteBox;
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import nsk.share.*;
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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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import nsk.share.gc.gp.classload.*;
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import java.lang.reflect.Array;
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public class LoadUnloadGC2 extends GCTestBase {
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private static int CYCLE = 1000;
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public void run() {
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Stresser stresser = new Stresser(runParams.getStressOptions());
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stresser.start(500000);
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int iteration = 0;
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try {
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GarbageProducer garbageProducer = new GeneratedClassProducer();
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while (stresser.iteration()) {
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garbageProducer.create(512L);
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if(iteration++ > CYCLE) {
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// Unload once every cycle.
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iteration = 0;
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garbageProducer = null;
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// Perform GC so that
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// class gets unloaded
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WhiteBox.getWhiteBox().fullGC();
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garbageProducer = new GeneratedClassProducer();
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}
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}
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} finally {
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stresser.finish();
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}
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}
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public static void main(String[] args) {
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Tests.runTest(new LoadUnloadGC2(), args);
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}
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}
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