Mercurial > hg > truffle
annotate test/gc/survivorAlignment/TestPromotionToSurvivor.java @ 20888:0f3d81231ecb
Truffle/Instrumentation: Javadoc
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Fri, 10 Apr 2015 17:56:10 -0700 |
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1 /* |
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2 * Copyright (c) 2014, 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 |
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26 * @bug 8031323 |
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27 * @summary Verify that objects promoted from eden space to survivor space after |
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28 * minor GC are aligned to SurvivorAlignmentInBytes. |
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29 * @library /testlibrary /testlibrary/whitebox |
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30 * @build TestPromotionToSurvivor |
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31 * SurvivorAlignmentTestMain AlignmentHelper |
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32 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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33 * sun.hotspot.WhiteBox$WhiteBoxPermission |
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34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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35 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
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36 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
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37 * -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m |
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38 * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent |
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39 * TestPromotionToSurvivor 10m 9 SURVIVOR |
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40 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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41 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
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42 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
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43 * -XX:SurvivorAlignmentInBytes=32 -XX:OldSize=128m |
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44 * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent |
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45 * TestPromotionToSurvivor 20m 47 SURVIVOR |
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46 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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47 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
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48 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
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49 * -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m |
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50 * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent |
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51 * TestPromotionToSurvivor 8m 9 SURVIVOR |
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52 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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53 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
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54 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
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55 * -XX:SurvivorAlignmentInBytes=64 -XX:OldSize=128m |
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56 * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent |
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57 * TestPromotionToSurvivor 20m 87 SURVIVOR |
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58 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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59 * -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m |
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60 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
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61 * -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=128m |
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62 * -XX:MaxHeapSize=384m -XX:-ExplicitGCInvokesConcurrent |
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63 * TestPromotionToSurvivor 10m 9 SURVIVOR |
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64 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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65 * -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m |
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66 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions |
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67 * -XX:SurvivorAlignmentInBytes=128 -XX:OldSize=128m |
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68 * -XX:MaxHeapSize=256m -XX:-ExplicitGCInvokesConcurrent |
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69 * TestPromotionToSurvivor 20m 147 SURVIVOR |
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70 */ |
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71 public class TestPromotionToSurvivor { |
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72 public static void main(String args[]) { |
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73 SurvivorAlignmentTestMain test |
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74 = SurvivorAlignmentTestMain.fromArgs(args); |
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75 System.out.println(test); |
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76 |
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77 long expectedUsage = test.getExpectedMemoryUsage(); |
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78 test.baselineMemoryAllocation(); |
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79 SurvivorAlignmentTestMain.WHITE_BOX.fullGC(); |
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80 |
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81 test.allocate(); |
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82 SurvivorAlignmentTestMain.WHITE_BOX.youngGC(); |
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83 |
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84 test.verifyMemoryUsage(expectedUsage); |
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85 } |
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86 } |