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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 |
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26 * @key nmt regression |
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27 * @bug 8005936 |
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28 * @summary Make sure PrintNMTStatistics works on normal JVM exit |
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29 * @library /testlibrary |
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30 * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI PrintNMTStatistics.java |
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31 */ |
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32 |
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33 import com.oracle.java.testlibrary.*; |
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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 import sun.hotspot.WhiteBox; |
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38 |
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39 public class PrintNMTStatistics { |
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40 |
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41 public static void main(String args[]) throws Exception { |
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42 |
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43 // We start a new java process running with an argument and use WB API to ensure |
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44 // we have data for NMT on VM exit |
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45 if (args.length > 0) { |
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46 // Use WB API to ensure that all data has been merged before we continue |
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47 if (!WhiteBox.getWhiteBox().NMTWaitForDataMerge()) { |
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48 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); |
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49 } |
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50 return; |
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51 } |
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52 |
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53 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
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54 "-XX:+UnlockDiagnosticVMOptions", |
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55 "-XX:NativeMemoryTracking=summary", |
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56 "+XX:+PrintNMTStatistics", |
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57 "PrintNMTStatistics", |
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58 "test"); |
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59 |
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60 OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
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61 output.shouldContain("Java Heap (reserved="); |
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62 output.shouldNotContain("error"); |
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63 output.shouldNotContain("warning"); |
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64 output.shouldHaveExitValue(0); |
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65 } |
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66 } |