Mercurial > hg > truffle
annotate test/gc/defnew/HeapChangeLogging.java @ 14727:8b772174c514
Backport of 8504393de66b from jdk9
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 24 Mar 2014 23:50:18 +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 /* |
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25 * @test HeapChangeLogging.java |
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26 * @bug 8027440 |
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27 * @library /testlibrary |
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28 * @build HeapChangeLogging |
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29 * @summary Allocate to get a promotion failure and verify that that heap change logging is present. |
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30 * @run main HeapChangeLogging |
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31 * |
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32 * Test the output of G1SummarizeRSetStats in conjunction with G1SummarizeRSetStatsPeriod. |
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33 */ |
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34 |
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35 import java.util.regex.Matcher; |
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36 import java.util.regex.Pattern; |
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37 |
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38 import com.oracle.java.testlibrary.*; |
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39 |
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40 public class HeapChangeLogging { |
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41 public static void main(String[] args) throws Exception { |
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42 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xmx128m", "-Xmn100m", "-XX:+UseSerialGC", "-XX:+PrintGC", "HeapFiller"); |
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43 OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
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44 String stdout = output.getStdout(); |
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45 System.out.println(stdout); |
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46 Matcher stdoutMatcher = Pattern.compile("\\[GC .Allocation Failure.*K->.*K\\(.*K\\), .* secs\\]", Pattern.MULTILINE).matcher(stdout); |
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47 if (!stdoutMatcher.find()) { |
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48 throw new RuntimeException("No proper GC log line found"); |
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49 } |
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50 output.shouldHaveExitValue(0); |
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51 } |
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52 } |
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53 |
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54 class HeapFiller { |
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55 public static Entry root; |
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56 private static final int PAYLOAD_SIZE = 1000; |
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57 |
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58 public static void main(String[] args) { |
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59 root = new Entry(PAYLOAD_SIZE, null); |
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60 Entry current = root; |
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61 try { |
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62 while (true) { |
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63 Entry newEntry = new Entry(PAYLOAD_SIZE, current); |
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64 current = newEntry; |
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65 } |
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66 } catch (OutOfMemoryError e) { |
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67 root = null; |
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68 } |
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69 |
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70 } |
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71 } |
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72 |
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73 class Entry { |
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74 public Entry previous; |
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75 public byte[] payload; |
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76 |
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77 Entry(int payloadSize, Entry previous) { |
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78 payload = new byte[payloadSize]; |
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79 this.previous = previous; |
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80 } |
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81 } |