Mercurial > hg > truffle
annotate test/runtime/NMT/SummarySanityCheck.java @ 12986:1b422ef5288a
8025728: Missing volatile specifier for field G1AllocRegion::_alloc_region
Summary: The field G1AllocRegion::_alloc_region needs to be declared volatile as it is used with that intention. Otherwise the compiler may generate the code that reloads the value which might have changed in the meantime, leading to spurious crashes.
Reviewed-by: iveresov, simonis, tschatzl
Contributed-by: Axel Siebenborn <axel.siebenborn@sap.com>
| author | tschatzl |
|---|---|
| date | Wed, 23 Oct 2013 10:23:06 +0200 |
| parents | 1b0dc9f87e75 |
| children | ac12996df59b |
| rev | line source |
|---|---|
| 7977 | 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 | |
| 26 * @key nmt jcmd | |
| 27 * @summary Sanity check the output of NMT | |
|
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1b0dc9f87e75
8006753: fix failed for JDK-8002415 White box testing API for HotSpot
mgerdin
parents:
7977
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changeset
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28 * @library /testlibrary /testlibrary/whitebox |
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1b0dc9f87e75
8006753: fix failed for JDK-8002415 White box testing API for HotSpot
mgerdin
parents:
7977
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changeset
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29 * @build SummarySanityCheck |
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1b0dc9f87e75
8006753: fix failed for JDK-8002415 White box testing API for HotSpot
mgerdin
parents:
7977
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changeset
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30 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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1b0dc9f87e75
8006753: fix failed for JDK-8002415 White box testing API for HotSpot
mgerdin
parents:
7977
diff
changeset
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31 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:NativeMemoryTracking=summary -XX:+WhiteBoxAPI SummarySanityCheck |
| 7977 | 32 */ |
| 33 | |
| 34 import com.oracle.java.testlibrary.*; | |
| 35 | |
| 36 import java.util.regex.Matcher; | |
| 37 import java.util.regex.Pattern; | |
| 38 import sun.hotspot.WhiteBox; | |
| 39 | |
| 40 public class SummarySanityCheck { | |
| 41 | |
| 42 private static String jcmdout; | |
| 43 public static void main(String args[]) throws Exception { | |
| 44 // Grab my own PID | |
| 45 String pid = Integer.toString(ProcessTools.getProcessId()); | |
| 46 | |
| 47 // Use WB API to ensure that all data has been merged before we continue | |
| 48 if (!WhiteBox.getWhiteBox().NMTWaitForDataMerge()) { | |
| 49 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
| 50 } | |
| 51 | |
| 52 ProcessBuilder pb = new ProcessBuilder(); | |
| 53 | |
| 54 // Run 'jcmd <pid> VM.native_memory summary scale=KB' | |
| 55 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=KB"}); | |
| 56 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
| 57 | |
| 58 jcmdout = output.getOutput(); | |
| 59 // Split by '-' to get the 'groups' | |
| 60 String[] lines = jcmdout.split("\n"); | |
| 61 | |
| 62 if (lines.length == 0) { | |
| 63 throwTestException("Failed to parse jcmd output"); | |
| 64 } | |
| 65 | |
| 66 int totalCommitted = 0, totalReserved = 0; | |
| 67 int totalCommittedSum = 0, totalReservedSum = 0; | |
| 68 | |
| 69 // Match '- <mtType> (reserved=<reserved>KB, committed=<committed>KB) | |
| 70 Pattern mtTypePattern = Pattern.compile("-\\s+(?<typename>[\\w\\s]+)\\(reserved=(?<reserved>\\d+)KB,\\scommitted=(?<committed>\\d+)KB\\)"); | |
| 71 // Match 'Total: reserved=<reserved>KB, committed=<committed>KB' | |
| 72 Pattern totalMemoryPattern = Pattern.compile("Total\\:\\s\\sreserved=(?<reserved>\\d+)KB,\\s\\scommitted=(?<committed>\\d+)KB"); | |
| 73 | |
| 74 for (int i = 0; i < lines.length; i++) { | |
| 75 if (lines[i].startsWith("Total")) { | |
| 76 Matcher totalMemoryMatcher = totalMemoryPattern.matcher(lines[i]); | |
| 77 | |
| 78 if (totalMemoryMatcher.matches() && totalMemoryMatcher.groupCount() == 2) { | |
| 79 totalCommitted = Integer.parseInt(totalMemoryMatcher.group("committed")); | |
| 80 totalReserved = Integer.parseInt(totalMemoryMatcher.group("reserved")); | |
| 81 } else { | |
| 82 throwTestException("Failed to match the expected groups in 'Total' memory part"); | |
| 83 } | |
| 84 } else if (lines[i].startsWith("-")) { | |
| 85 Matcher typeMatcher = mtTypePattern.matcher(lines[i]); | |
| 86 if (typeMatcher.matches()) { | |
| 87 int typeCommitted = Integer.parseInt(typeMatcher.group("committed")); | |
| 88 int typeReserved = Integer.parseInt(typeMatcher.group("reserved")); | |
| 89 | |
| 90 // Make sure reserved is always less or equals | |
| 91 if (typeCommitted > typeReserved) { | |
| 92 throwTestException("Committed (" + typeCommitted + ") was more than Reserved (" | |
| 93 + typeReserved + ") for mtType: " + typeMatcher.group("typename")); | |
| 94 } | |
| 95 | |
| 96 // Add to total and compare them in the end | |
| 97 totalCommittedSum += typeCommitted; | |
| 98 totalReservedSum += typeReserved; | |
| 99 } else { | |
| 100 throwTestException("Failed to match the group on line " + i); | |
| 101 } | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 // See if they add up correctly, rounding is a problem so make sure we're within +/- 8KB | |
| 106 int committedDiff = totalCommitted - totalCommittedSum; | |
| 107 if (committedDiff > 8 || committedDiff < -8) { | |
| 108 throwTestException("Total committed (" + totalCommitted + ") did not match the summarized committed (" + totalCommittedSum + ")" ); | |
| 109 } | |
| 110 | |
| 111 int reservedDiff = totalReserved - totalReservedSum; | |
| 112 if (reservedDiff > 8 || reservedDiff < -8) { | |
| 113 throwTestException("Total reserved (" + totalReserved + ") did not match the summarized reserved (" + totalReservedSum + ")" ); | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 private static void throwTestException(String reason) throws Exception { | |
| 118 throw new Exception(reason + " . Stdout is :\n" + jcmdout); | |
| 119 } | |
| 120 } |