Mercurial > hg > truffle
annotate test/gc/concurrentMarkSweep/SystemGCOnForegroundCollector.java @ 10780:b1f438bf1a40
Merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 16 Jul 2013 15:08:37 +0200 |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /** |
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25 * @test SystemGCOnForegroundCollector |
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26 * @summary CMS: Call reset_after_compaction() only if a compaction has been done |
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27 * @bug 8013184 |
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28 * @key gc |
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29 * @key regression |
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30 * @library /testlibrary |
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31 * @run main/othervm SystemGCOnForegroundCollector |
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32 * @author jon.masamitsu@oracle.com |
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33 */ |
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34 |
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35 import com.oracle.java.testlibrary.*; |
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36 |
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37 public class SystemGCOnForegroundCollector { |
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38 public static void main(String args[]) throws Exception { |
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39 |
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40 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
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41 "-showversion", |
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42 "-XX:+UseConcMarkSweepGC", |
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43 "-XX:MaxTenuringThreshold=1", |
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44 "-XX:-UseCMSCompactAtFullCollection", |
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45 ThreePlusMSSystemGC.class.getName() |
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46 ); |
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47 |
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48 OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
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49 |
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50 output.shouldNotContain("error"); |
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51 |
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52 output.shouldHaveExitValue(0); |
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53 } |
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54 |
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55 static class ThreePlusMSSystemGC { |
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56 public static void main(String [] args) { |
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57 // From running this test 3 System.gc() were always |
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58 // enough to see the failure but the cause of the failure |
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59 // depends on how objects are allocated in the CMS generation |
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60 // which is non-deterministic. Use 30 iterations for a more |
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61 // reliable test. |
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62 for (int i = 0; i < 30; i++) { |
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63 System.gc(); |
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64 } |
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65 } |
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66 } |
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67 } |