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annotate test/gc/survivorAlignment/TestAllocationInEden.java @ 22801:860297c03bbc

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8037968: Add tests on alignment of objects copied to survivor space Reviewed-by: jmasa, dfazunen
author fzhinkin
date Wed, 26 Nov 2014 14:17:06 +0400
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children 75d8afb5d37a
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22801
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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 object's alignment in eden space is not affected by
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28 * SurvivorAlignmentInBytes option.
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29 * @library /testlibrary /testlibrary/whitebox
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30 * @build TestAllocationInEden SurvivorAlignmentTestMain AlignmentHelper
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31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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32 * sun.hotspot.WhiteBox$WhiteBoxPermission
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33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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34 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
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35 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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36 * -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB
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37 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
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38 * TestAllocationInEden 10m 9 EDEN
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39 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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40 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
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41 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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42 * -XX:SurvivorAlignmentInBytes=32 -XX:-UseTLAB
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43 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
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44 * TestAllocationInEden 10m 47 EDEN
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45 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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46 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
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47 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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48 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB
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49 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
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50 * TestAllocationInEden 10m 9 EDEN
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51 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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52 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
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53 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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54 * -XX:SurvivorAlignmentInBytes=64 -XX:-UseTLAB
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55 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
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56 * TestAllocationInEden 10m 87 EDEN
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57 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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58 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
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59 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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60 * -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB
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61 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
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62 * TestAllocationInEden 10m 9 EDEN
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63 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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64 * -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
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65 * -XX:SurvivorRatio=1 -XX:+UnlockExperimentalVMOptions
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66 * -XX:SurvivorAlignmentInBytes=128 -XX:-UseTLAB
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67 * -XX:OldSize=128m -XX:-ExplicitGCInvokesConcurrent
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68 * TestAllocationInEden 10m 147 EDEN
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69 */
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70 public class TestAllocationInEden {
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71 public static void main(String args[]) {
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72 SurvivorAlignmentTestMain test
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73 = SurvivorAlignmentTestMain.fromArgs(args);
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74 System.out.println(test);
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75
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76 long expectedMemoryUsage = test.getExpectedMemoryUsage();
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77 test.baselineMemoryAllocation();
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78 System.gc();
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79
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80 test.allocate();
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81
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82 test.verifyMemoryUsage(expectedMemoryUsage);
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83 }
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84 }