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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 }
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