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comparison test/gc/defnew/HeapChangeLogging.java @ 14193:dd1b266713ea

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8027440: DefNew does not log heap change information when a promotion failure occurs Reviewed-by: tamao, jmasa
author brutisso
date Mon, 16 Dec 2013 13:43:06 +0100
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14192:ff355e26c78d 14193:dd1b266713ea
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test HeapChangeLogging.java
26 * @bug 8027440
27 * @library /testlibrary
28 * @build HeapChangeLogging
29 * @summary Allocate to get a promotion failure and verify that that heap change logging is present.
30 * @run main HeapChangeLogging
31 *
32 * Test the output of G1SummarizeRSetStats in conjunction with G1SummarizeRSetStatsPeriod.
33 */
34
35 import java.util.regex.Matcher;
36 import java.util.regex.Pattern;
37
38 import com.oracle.java.testlibrary.*;
39
40 public class HeapChangeLogging {
41 public static void main(String[] args) throws Exception {
42 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xmx128m", "-Xmn100m", "-XX:+UseSerialGC", "-XX:+PrintGC", "HeapFiller");
43 OutputAnalyzer output = new OutputAnalyzer(pb.start());
44 String stdout = output.getStdout();
45 System.out.println(stdout);
46 Matcher stdoutMatcher = Pattern.compile("\\[GC .Allocation Failure.*K->.*K\\(.*K\\), .* secs\\]", Pattern.MULTILINE).matcher(stdout);
47 if (!stdoutMatcher.find()) {
48 throw new RuntimeException("No proper GC log line found");
49 }
50 output.shouldHaveExitValue(0);
51 }
52 }
53
54 class HeapFiller {
55 public static Entry root;
56 private static final int PAYLOAD_SIZE = 1000;
57
58 public static void main(String[] args) {
59 root = new Entry(PAYLOAD_SIZE, null);
60 Entry current = root;
61 try {
62 while (true) {
63 Entry newEntry = new Entry(PAYLOAD_SIZE, current);
64 current = newEntry;
65 }
66 } catch (OutOfMemoryError e) {
67 root = null;
68 }
69
70 }
71 }
72
73 class Entry {
74 public Entry previous;
75 public byte[] payload;
76
77 Entry(int payloadSize, Entry previous) {
78 payload = new byte[payloadSize];
79 this.previous = previous;
80 }
81 }