Mercurial > hg > graal-jvmci-8
annotate test/gc/survivorAlignment/TestPromotionFromEdenToTenured.java @ 22801:860297c03bbc
8037968: Add tests on alignment of objects copied to survivor space
Reviewed-by: jmasa, dfazunen
author | fzhinkin |
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date | Wed, 26 Nov 2014 14:17:06 +0400 |
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children | 75d8afb5d37a |
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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 tenured space during |
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28 * full GC are not aligned to SurvivorAlignmentInBytes value. |
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29 * @library /testlibrary /testlibrary/whitebox |
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30 * @build TestPromotionFromEdenToTenured SurvivorAlignmentTestMain |
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31 * 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=64m -XX:MaxNewSize=64m |
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36 * -XX:OldSize=32m -XX:SurvivorRatio=1 |
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37 * -XX:-ExplicitGCInvokesConcurrent |
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38 * -XX:+UnlockExperimentalVMOptions |
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39 * -XX:SurvivorAlignmentInBytes=32 |
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40 * TestPromotionFromEdenToTenured 10m 9 TENURED |
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41 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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42 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m |
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43 * -XX:OldSize=32m -XX:SurvivorRatio=1 |
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44 * -XX:-ExplicitGCInvokesConcurrent |
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45 * -XX:+UnlockExperimentalVMOptions |
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46 * -XX:SurvivorAlignmentInBytes=32 |
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47 * TestPromotionFromEdenToTenured 10m 47 TENURED |
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48 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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49 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m |
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50 * -XX:OldSize=32m -XX:SurvivorRatio=1 |
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51 * -XX:-ExplicitGCInvokesConcurrent |
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52 * -XX:+UnlockExperimentalVMOptions |
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53 * -XX:SurvivorAlignmentInBytes=64 |
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54 * TestPromotionFromEdenToTenured 10m 9 TENURED |
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55 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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56 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m |
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57 * -XX:OldSize=32m -XX:SurvivorRatio=1 |
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58 * -XX:-ExplicitGCInvokesConcurrent |
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59 * -XX:+UnlockExperimentalVMOptions |
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60 * -XX:SurvivorAlignmentInBytes=64 |
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61 * TestPromotionFromEdenToTenured 10m 87 TENURED |
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62 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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63 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m |
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64 * -XX:OldSize=32M -XX:SurvivorRatio=1 |
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65 * -XX:-ExplicitGCInvokesConcurrent |
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66 * -XX:+UnlockExperimentalVMOptions |
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67 * -XX:SurvivorAlignmentInBytes=128 |
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68 * TestPromotionFromEdenToTenured 10m 9 TENURED |
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69 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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70 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m |
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71 * -XX:OldSize=32m -XX:SurvivorRatio=1 |
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72 * -XX:-ExplicitGCInvokesConcurrent |
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73 * -XX:+UnlockExperimentalVMOptions |
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74 * -XX:SurvivorAlignmentInBytes=128 |
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75 * TestPromotionFromEdenToTenured 10m 147 TENURED |
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76 */ |
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77 public class TestPromotionFromEdenToTenured { |
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78 public static void main(String args[]) { |
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79 SurvivorAlignmentTestMain test |
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80 = SurvivorAlignmentTestMain.fromArgs(args); |
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81 System.out.println(test); |
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82 |
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83 long expectedMemoryUsage = test.getExpectedMemoryUsage(); |
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84 test.baselineMemoryAllocation(); |
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85 System.gc(); |
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86 // increase expected usage by current old gen usage |
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87 expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper( |
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88 SurvivorAlignmentTestMain.HeapSpace.TENURED) |
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89 .getActualMemoryUsage(); |
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90 |
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91 test.allocate(); |
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92 System.gc(); |
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93 |
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94 test.verifyMemoryUsage(expectedMemoryUsage); |
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95 } |
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96 } |