test/hotspot/jtreg/compiler/codecache/stress/UnexpectedDeoptimizationAllTest.java
author chagedorn
Wed, 02 Oct 2019 08:27:17 +0200
changeset 58438 1181f58f30e2
parent 55005 9b70ebd131b4
permissions -rw-r--r--
8231626: DeoptimizeRandom should not be a product flag Summary: The DeoptimizeRandom flag is changed to develop since it has no effect in production. Reviewed-by: neliasso, thartmann
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/*
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 * Copyright (c) 2019, 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 UnexpectedDeoptimizationAllTest
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 * @key stress
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 * @summary stressing code cache by forcing unexpected deoptimizations of all methods
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 * @library /test/lib /
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 * @modules java.base/jdk.internal.misc
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 *          java.management
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 *
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 * @build sun.hotspot.WhiteBox compiler.codecache.stress.Helper compiler.codecache.stress.TestCaseImpl
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 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
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 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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 *                   -XX:+WhiteBoxAPI
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 *                   -XX:+IgnoreUnrecognizedVMOptions -XX:-DeoptimizeRandom
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 *                   -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method
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 *                   -XX:-SegmentedCodeCache
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 *                   compiler.codecache.stress.UnexpectedDeoptimizationAllTest
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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 *                   -XX:+WhiteBoxAPI
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 *                   -XX:+IgnoreUnrecognizedVMOptions -XX:-DeoptimizeRandom
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 *                   -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method
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 *                   -XX:+SegmentedCodeCache
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 *                   compiler.codecache.stress.UnexpectedDeoptimizationAllTest
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 */
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package compiler.codecache.stress;
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public class UnexpectedDeoptimizationAllTest implements Runnable {
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    public static void main(String[] args) {
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        new CodeCacheStressRunner(new UnexpectedDeoptimizationAllTest()).runTest();
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    }
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    @Override
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    public void run() {
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        Helper.WHITE_BOX.deoptimizeAll();
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        try {
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            Thread.sleep(10);
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        } catch (Exception e) {
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        }
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    }
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}