Mercurial > hg > truffle
annotate test/runtime/NMT/SummarySanityCheck.java @ 20361:ac12996df59b
8044140: Create NMT (Native Memory Tracking) tests for NMT2
Summary: Create new/modify existing tests for NMT2, which is an internal redesign to address scalability issues in the first implementation.
Reviewed-by: ctornqvi, zgu
Contributed-by: George Triantafillou <george.triantafillou@oracle.com>
| author | zgu |
|---|---|
| date | Wed, 27 Aug 2014 08:35:03 -0400 |
| parents | 1b0dc9f87e75 |
| children | 6640f982c1be |
| rev | line source |
|---|---|
| 7977 | 1 /* |
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8044140: Create NMT (Native Memory Tracking) tests for NMT2
zgu
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
| 7977 | 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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8006753: fix failed for JDK-8002415 White box testing API for HotSpot
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28 * @library /testlibrary /testlibrary/whitebox |
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29 * @build SummarySanityCheck |
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8044140: Create NMT (Native Memory Tracking) tests for NMT2
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parents:
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30 * @ignore |
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mgerdin
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31 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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mgerdin
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32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:NativeMemoryTracking=summary -XX:+WhiteBoxAPI SummarySanityCheck |
| 7977 | 33 */ |
| 34 | |
| 35 import com.oracle.java.testlibrary.*; | |
| 36 | |
| 37 import java.util.regex.Matcher; | |
| 38 import java.util.regex.Pattern; | |
| 39 import sun.hotspot.WhiteBox; | |
| 40 | |
| 41 public class SummarySanityCheck { | |
| 42 | |
| 43 private static String jcmdout; | |
| 44 public static void main(String args[]) throws Exception { | |
| 45 // Grab my own PID | |
| 46 String pid = Integer.toString(ProcessTools.getProcessId()); | |
| 47 | |
| 48 ProcessBuilder pb = new ProcessBuilder(); | |
| 49 | |
| 50 // Run 'jcmd <pid> VM.native_memory summary scale=KB' | |
| 51 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=KB"}); | |
| 52 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
| 53 | |
| 54 jcmdout = output.getOutput(); | |
| 55 // Split by '-' to get the 'groups' | |
| 56 String[] lines = jcmdout.split("\n"); | |
| 57 | |
| 58 if (lines.length == 0) { | |
| 59 throwTestException("Failed to parse jcmd output"); | |
| 60 } | |
| 61 | |
| 62 int totalCommitted = 0, totalReserved = 0; | |
| 63 int totalCommittedSum = 0, totalReservedSum = 0; | |
| 64 | |
| 65 // Match '- <mtType> (reserved=<reserved>KB, committed=<committed>KB) | |
| 66 Pattern mtTypePattern = Pattern.compile("-\\s+(?<typename>[\\w\\s]+)\\(reserved=(?<reserved>\\d+)KB,\\scommitted=(?<committed>\\d+)KB\\)"); | |
| 67 // Match 'Total: reserved=<reserved>KB, committed=<committed>KB' | |
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8044140: Create NMT (Native Memory Tracking) tests for NMT2
zgu
parents:
8098
diff
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68 Pattern totalMemoryPattern = Pattern.compile("Total\\:\\sreserved=(?<reserved>\\d+)KB,\\scommitted=(?<committed>\\d+)KB"); |
| 7977 | 69 |
| 70 for (int i = 0; i < lines.length; i++) { | |
| 71 if (lines[i].startsWith("Total")) { | |
| 72 Matcher totalMemoryMatcher = totalMemoryPattern.matcher(lines[i]); | |
| 73 | |
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20361
ac12996df59b
8044140: Create NMT (Native Memory Tracking) tests for NMT2
zgu
parents:
8098
diff
changeset
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74 if (totalMemoryMatcher.matches()) { |
| 7977 | 75 totalCommitted = Integer.parseInt(totalMemoryMatcher.group("committed")); |
| 76 totalReserved = Integer.parseInt(totalMemoryMatcher.group("reserved")); | |
| 77 } else { | |
| 78 throwTestException("Failed to match the expected groups in 'Total' memory part"); | |
| 79 } | |
| 80 } else if (lines[i].startsWith("-")) { | |
| 81 Matcher typeMatcher = mtTypePattern.matcher(lines[i]); | |
| 82 if (typeMatcher.matches()) { | |
| 83 int typeCommitted = Integer.parseInt(typeMatcher.group("committed")); | |
| 84 int typeReserved = Integer.parseInt(typeMatcher.group("reserved")); | |
| 85 | |
| 86 // Make sure reserved is always less or equals | |
| 87 if (typeCommitted > typeReserved) { | |
| 88 throwTestException("Committed (" + typeCommitted + ") was more than Reserved (" | |
| 89 + typeReserved + ") for mtType: " + typeMatcher.group("typename")); | |
| 90 } | |
| 91 | |
| 92 // Add to total and compare them in the end | |
| 93 totalCommittedSum += typeCommitted; | |
| 94 totalReservedSum += typeReserved; | |
| 95 } else { | |
| 96 throwTestException("Failed to match the group on line " + i); | |
| 97 } | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 // See if they add up correctly, rounding is a problem so make sure we're within +/- 8KB | |
| 102 int committedDiff = totalCommitted - totalCommittedSum; | |
| 103 if (committedDiff > 8 || committedDiff < -8) { | |
| 104 throwTestException("Total committed (" + totalCommitted + ") did not match the summarized committed (" + totalCommittedSum + ")" ); | |
| 105 } | |
| 106 | |
| 107 int reservedDiff = totalReserved - totalReservedSum; | |
| 108 if (reservedDiff > 8 || reservedDiff < -8) { | |
| 109 throwTestException("Total reserved (" + totalReserved + ") did not match the summarized reserved (" + totalReservedSum + ")" ); | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 private static void throwTestException(String reason) throws Exception { | |
| 114 throw new Exception(reason + " . Stdout is :\n" + jcmdout); | |
| 115 } | |
| 116 } |