59 lines
2.3 KiB
Java
59 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 2013, 2021, 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.
|
|
*/
|
|
package metaspace.share;
|
|
|
|
import nsk.share.test.ExecutionController;
|
|
import nsk.share.gc.gp.classload.GeneratedClassProducer;
|
|
|
|
public class TriggerUnloadingByFillingMetaspace implements
|
|
TriggerUnloadingHelper {
|
|
|
|
private volatile boolean gotOOME = false;
|
|
private ExecutionController stresser;
|
|
private final ThreadLocal<GeneratedClassProducer> generatedClassProducer =
|
|
new ThreadLocal<GeneratedClassProducer>() {
|
|
@Override
|
|
protected GeneratedClassProducer initialValue() {
|
|
return new GeneratedClassProducer("metaspace.stressHierarchy.common.HumongousClass");
|
|
}
|
|
};
|
|
|
|
private static boolean isInMetaspace(Throwable error) {
|
|
return (error.getMessage().trim().toLowerCase().contains("metaspace"));
|
|
}
|
|
|
|
@Override
|
|
public void triggerUnloading(ExecutionController stresser) {
|
|
while (stresser.continueExecution() && !gotOOME) {
|
|
try {
|
|
generatedClassProducer.get().create(-100500); //argument is not used.
|
|
} catch (Throwable oome) {
|
|
if (!isInMetaspace(oome)) {
|
|
throw new HeapOOMEException("Got OOME in heap while triggering OOME in metaspace. Test result can't be valid.");
|
|
}
|
|
gotOOME = true;
|
|
}
|
|
}
|
|
}
|
|
}
|