Mercurial > hg > truffle
annotate test/gc/metaspace/TestMetaspaceSizeFlags.java @ 18176:c2270ad35f57
Better construction of data section and data patches.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 27 Oct 2014 14:07:49 +0100 |
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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 import com.oracle.java.testlibrary.Asserts; |
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25 import com.oracle.java.testlibrary.OutputAnalyzer; |
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26 import com.oracle.java.testlibrary.ProcessTools; |
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27 |
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28 /* |
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29 * @test TestMetaspaceSizeFlags |
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30 * @key gc |
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31 * @bug 8024650 |
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32 * @summary Test that metaspace size flags can be set correctly |
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33 * @library /testlibrary |
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34 */ |
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35 public class TestMetaspaceSizeFlags { |
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36 public static final long K = 1024L; |
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37 public static final long M = 1024L * K; |
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38 |
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39 // HotSpot uses a number of different values to align memory size flags. |
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40 // This is currently the largest alignment (unless huge large pages are used). |
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41 public static final long MAX_ALIGNMENT = 32 * M; |
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42 |
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43 public static void main(String [] args) throws Exception { |
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44 testMaxMetaspaceSizeEQMetaspaceSize(MAX_ALIGNMENT, MAX_ALIGNMENT); |
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45 // 8024650: MaxMetaspaceSize was adjusted instead of MetaspaceSize. |
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46 testMaxMetaspaceSizeLTMetaspaceSize(MAX_ALIGNMENT, MAX_ALIGNMENT * 2); |
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47 testMaxMetaspaceSizeGTMetaspaceSize(MAX_ALIGNMENT * 2, MAX_ALIGNMENT); |
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48 testTooSmallInitialMetaspace(0, 0); |
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49 testTooSmallInitialMetaspace(0, MAX_ALIGNMENT); |
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50 testTooSmallInitialMetaspace(MAX_ALIGNMENT, 0); |
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51 } |
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52 |
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53 private static void testMaxMetaspaceSizeEQMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
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54 MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); |
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55 Asserts.assertEQ(maxMetaspaceSize, metaspaceSize); |
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56 Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); |
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57 Asserts.assertEQ(mf.metaspaceSize, metaspaceSize); |
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58 } |
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59 |
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60 private static void testMaxMetaspaceSizeLTMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
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61 MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); |
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62 Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); |
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63 Asserts.assertEQ(mf.metaspaceSize, maxMetaspaceSize); |
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64 } |
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65 |
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66 private static void testMaxMetaspaceSizeGTMetaspaceSize(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
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67 MetaspaceFlags mf = runAndGetValue(maxMetaspaceSize, metaspaceSize); |
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68 Asserts.assertGT(maxMetaspaceSize, metaspaceSize); |
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69 Asserts.assertGT(mf.maxMetaspaceSize, mf.metaspaceSize); |
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70 Asserts.assertEQ(mf.maxMetaspaceSize, maxMetaspaceSize); |
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71 Asserts.assertEQ(mf.metaspaceSize, metaspaceSize); |
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72 } |
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73 |
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74 private static void testTooSmallInitialMetaspace(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
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75 OutputAnalyzer output = run(maxMetaspaceSize, metaspaceSize); |
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76 output.shouldContain("Too small initial Metaspace size"); |
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77 } |
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78 |
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79 private static MetaspaceFlags runAndGetValue(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
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80 OutputAnalyzer output = run(maxMetaspaceSize, metaspaceSize); |
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81 output.shouldNotMatch("Error occurred during initialization of VM\n.*"); |
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82 |
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83 String stringMaxMetaspaceSize = output.firstMatch(".* MaxMetaspaceSize .* := (\\d+).*", 1); |
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84 String stringMetaspaceSize = output.firstMatch(".* MetaspaceSize .* := (\\d+).*", 1); |
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85 |
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86 return new MetaspaceFlags(Long.parseLong(stringMaxMetaspaceSize), |
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87 Long.parseLong(stringMetaspaceSize)); |
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88 } |
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89 |
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90 private static OutputAnalyzer run(long maxMetaspaceSize, long metaspaceSize) throws Exception { |
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91 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
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92 "-XX:MaxMetaspaceSize=" + maxMetaspaceSize, |
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93 "-XX:MetaspaceSize=" + metaspaceSize, |
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94 "-XX:-UseLargePages", // Prevent us from using 2GB large pages on solaris + sparc. |
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95 "-XX:+PrintFlagsFinal", |
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96 "-version"); |
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97 return new OutputAnalyzer(pb.start()); |
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98 } |
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99 |
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100 private static class MetaspaceFlags { |
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101 public long maxMetaspaceSize; |
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102 public long metaspaceSize; |
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103 public MetaspaceFlags(long maxMetaspaceSize, long metaspaceSize) { |
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104 this.maxMetaspaceSize = maxMetaspaceSize; |
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105 this.metaspaceSize = metaspaceSize; |
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106 } |
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107 } |
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108 } |