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annotate test/gc/defnew/HeapChangeLogging.java @ 14343:05ede1d98e1e

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8032771: The flag VerifySilently misses a test case Summary: Add test case for the VerifySilently flag. Reviewed-by: brutisso
author tschatzl
date Fri, 31 Jan 2014 09:55:59 +0100
parents dd1b266713ea
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 }