7445ebf02b
Remove timeoutHandler class and let Stresser handle timeout, remove 30 threads filling metaspace, and remove related unused files. Reviewed-by: lfoltan, mseledtsov
60 lines
2.4 KiB
Java
60 lines
2.4 KiB
Java
/*
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* Copyright (c) 2013, 2018, 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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package vm.share.gc;
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import nsk.share.test.ExecutionController;
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import metaspace.stressHierarchy.common.exceptions.GotWrongOOMEException;
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import nsk.share.gc.gp.classload.GeneratedClassProducer;
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public class TriggerUnloadingByFillingMetaspace implements
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TriggerUnloadingHelper {
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private volatile boolean gotOOME = false;
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private ExecutionController stresser;
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private final ThreadLocal<GeneratedClassProducer> generatedClassProducer =
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new ThreadLocal<GeneratedClassProducer>() {
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@Override
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protected GeneratedClassProducer initialValue() {
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return new GeneratedClassProducer("metaspace.stressHierarchy.common.HumongousClass");
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}
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};
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private static boolean isInMetaspace(Throwable error) {
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return (error.getMessage().trim().toLowerCase().contains("metaspace"));
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}
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@Override
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public void triggerUnloading(ExecutionController stresser) {
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while (stresser.continueExecution() && !gotOOME) {
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try {
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generatedClassProducer.get().create(-100500); //argument is not used.
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} catch (Throwable oome) {
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if (!isInMetaspace(oome)) {
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throw new GotWrongOOMEException("Got OOME in heap while triggering OOME in metaspace. Test result can't be valid.");
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}
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gotOOME = true;
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}
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}
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}
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}
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