annotate test/gc/g1/TestGCLogMessages.java @ 17756:a07bea31ef35

8035398: Add card redirty time in "Other" time in G1 Summary: Show the time taken by card redirtying during GC in a new "Redirty Cards" line. Reviewed-by: jwilhelm, brutisso
author tschatzl
date Mon, 24 Mar 2014 15:30:40 +0100
parents 96b1c2e06e25
children eff02b5bd56c
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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 TestPrintGCDetails
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26 * @bug 8035406 8027295 8035398
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27 * @summary Ensure that the PrintGCDetails output for a minor GC with G1
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28 * includes the expected necessary messages.
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29 * @key gc
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30 * @library /testlibrary
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31 */
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32
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33 import com.oracle.java.testlibrary.ProcessTools;
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34 import com.oracle.java.testlibrary.OutputAnalyzer;
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35
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36 public class TestGCLogMessages {
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37 public static void main(String[] args) throws Exception {
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38
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39 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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40 "-Xmx10M",
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41 GCTest.class.getName());
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42
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43 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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44
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45 output.shouldNotContain("[Redirty Cards");
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46 output.shouldNotContain("[Code Root Purge");
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47 output.shouldNotContain("[Young Free CSet");
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48 output.shouldNotContain("[Non-Young Free CSet");
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49 output.shouldHaveExitValue(0);
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50
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51 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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52 "-Xmx10M",
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53 "-XX:+PrintGCDetails",
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54 GCTest.class.getName());
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55
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56 output = new OutputAnalyzer(pb.start());
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57
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58 output.shouldContain("[Redirty Cards");
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59 output.shouldContain("[Code Root Purge");
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60 output.shouldNotContain("[Young Free CSet");
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61 output.shouldNotContain("[Non-Young Free CSet");
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62 output.shouldHaveExitValue(0);
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63
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64 pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
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65 "-Xmx10M",
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66 "-XX:+PrintGCDetails",
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67 "-XX:+UnlockExperimentalVMOptions",
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68 "-XX:G1LogLevel=finest",
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69 GCTest.class.getName());
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70
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71 output = new OutputAnalyzer(pb.start());
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72
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73 output.shouldContain("[Redirty Cards");
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74 output.shouldContain("[Code Root Purge");
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75 output.shouldContain("[Young Free CSet");
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76 output.shouldContain("[Non-Young Free CSet");
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77 output.shouldHaveExitValue(0);
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78
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79 }
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80
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81 static class GCTest {
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82 private static byte[] garbage;
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83 public static void main(String [] args) {
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84 System.out.println("Creating garbage");
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85 // create 128MB of garbage. This should result in at least one GC
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86 for (int i = 0; i < 1024; i++) {
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87 garbage = new byte[128 * 1024];
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88 }
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89 System.out.println("Done");
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90 }
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91 }
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92 }