hotspot/test/compiler/codecache/stress/UnexpectedDeoptimizationTest.java
author ykantser
Thu, 26 Mar 2015 16:36:56 +0100
changeset 29678 dd2f3932c21e
parent 28501 c9c359a66a15
child 33730 30e064828045
permissions -rw-r--r--
8075586: Add @modules as needed to the open hotspot tests Reviewed-by: sla, ctornqvi, lfoltan, mchung, alanb Contributed-by: alexander.kulyakhtin@oracle.com
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/*
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 * Copyright (c) 2014, 2015, 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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/*
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 * @test UnexpectedDeoptimizationTest
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 * @library /testlibrary /../../test/lib
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 * @modules java.base/sun.misc
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 *          java.management
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 * @build UnexpectedDeoptimizationTest
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 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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 *                   -XX:CompileCommand=dontinline,Helper$TestCase::method
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 *                   -XX:+WhiteBoxAPI -XX:-SegmentedCodeCache -XX:-DeoptimizeRandom
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 *                   UnexpectedDeoptimizationTest
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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 *                   -XX:CompileCommand=dontinline,Helper$TestCase::method
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 *                   -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache -XX:-DeoptimizeRandom
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 *                   UnexpectedDeoptimizationTest
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 * @summary stressing code cache by forcing unexpected deoptimizations
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 */
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public class UnexpectedDeoptimizationTest implements Runnable {
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    public static void main(String[] args) {
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        new CodeCacheStressRunner(new UnexpectedDeoptimizationTest()).runTest();
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    }
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    @Override
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    public void run() {
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        Helper.WHITE_BOX.deoptimizeFrames(Helper.RNG.nextBoolean());
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    }
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}