Mercurial > hg > truffle
annotate test/runtime/NMT/SummarySanityCheck.java @ 18408:2c3666f44855
Truffle: initial commit of object API implementation
| author | Andreas Woess <andreas.woess@jku.at> |
|---|---|
| date | Tue, 18 Nov 2014 23:19:43 +0100 |
| 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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28 * @library /testlibrary /testlibrary/whitebox |
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29 * @build SummarySanityCheck |
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30 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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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 } |