author | rkennke |
Mon, 10 Dec 2018 15:47:44 +0100 | |
changeset 52925 | 9c18c9d839d3 |
child 54777 | 206afa6372ae |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2018, Red Hat, Inc. 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 TestCommonGCLoads |
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* @summary Test GC state load commoning works |
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* @key gc |
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* @requires vm.flavor == "server" |
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* @requires vm.gc.Shenandoah |
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* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation |
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* -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC |
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* -XX:-ShenandoahCommonGCStateLoads |
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* TestCommonGCLoads |
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* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation |
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* -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC |
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* -XX:+ShenandoahCommonGCStateLoads |
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* TestCommonGCLoads |
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*/ |
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public class TestCommonGCLoads { |
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static Object d = new Object(); |
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static Target t1 = new Target(); |
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static Target t2 = new Target(); |
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static Target t3 = new Target(); |
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static Target t4 = new Target(); |
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static Target t5 = new Target(); |
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static void test() { |
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t1.field = d; |
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t2.field = d; |
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t3.field = d; |
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t4.field = d; |
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t5.field = d; |
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} |
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static public void main(String[] args) { |
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for (int i = 0; i < 100_000; i++) { |
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test(); |
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} |
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} |
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static class Target { |
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Object field; |
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} |
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} |