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7977
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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 jcmd
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27 * @summary Test the NMT scale parameter
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28 * @library /testlibrary
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29 * @run main/othervm -XX:NativeMemoryTracking=summary JcmdScale
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30 */
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31
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32 import com.oracle.java.testlibrary.*;
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33
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34 public class JcmdScale {
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35
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36 public static void main(String args[]) throws Exception {
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37 ProcessBuilder pb = new ProcessBuilder();
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38 OutputAnalyzer output;
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39 // Grab my own PID
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40 String pid = Integer.toString(ProcessTools.getProcessId());
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41
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42 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=KB"});
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43 output = new OutputAnalyzer(pb.start());
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44 output.shouldContain("KB, committed=");
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45
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46 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=MB"});
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47 output = new OutputAnalyzer(pb.start());
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48 output.shouldContain("MB, committed=");
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49
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50 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=GB"});
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51 output = new OutputAnalyzer(pb.start());
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52 output.shouldContain("GB, committed=");
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53
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54 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=apa"});
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55 output = new OutputAnalyzer(pb.start());
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56 output.shouldContain("Incorrect scale value: apa");
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57
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58 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=GB"});
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59 output = new OutputAnalyzer(pb.start());
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60 output.shouldContain("GB, committed=");
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61
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62 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=apa"});
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63 output = new OutputAnalyzer(pb.start());
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64 output.shouldContain("Incorrect scale value: apa");
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65
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66 }
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67 }
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