Mercurial > hg > truffle
annotate test/gc/metaspace/ClassMetaspaceSizeInJmapHeap.java @ 10780:b1f438bf1a40
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author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 16 Jul 2013 15:08:37 +0200 |
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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 ClassMetaspaceSizeInJmapHeap |
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26 * @bug 8004924 |
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27 * @summary Checks that jmap -heap contains the flag ClassMetaspaceSize |
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28 * @library /testlibrary |
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29 * @run main/othervm -XX:ClassMetaspaceSize=50m ClassMetaspaceSizeInJmapHeap |
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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 import java.nio.file.*; |
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34 import java.io.File; |
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35 import java.nio.charset.Charset; |
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36 import java.util.List; |
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37 |
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38 public class ClassMetaspaceSizeInJmapHeap { |
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39 public static void main(String[] args) throws Exception { |
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40 String pid = Integer.toString(ProcessTools.getProcessId()); |
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41 |
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42 JDKToolLauncher jmap = JDKToolLauncher.create("jmap") |
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43 .addToolArg("-heap") |
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44 .addToolArg(pid); |
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45 ProcessBuilder pb = new ProcessBuilder(jmap.getCommand()); |
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46 |
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47 File out = new File("ClassMetaspaceSizeInJmapHeap.stdout.txt"); |
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48 pb.redirectOutput(out); |
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49 |
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50 File err = new File("ClassMetaspaceSizeInJmapHeap.stderr.txt"); |
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51 pb.redirectError(err); |
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52 |
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53 run(pb); |
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54 |
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55 OutputAnalyzer output = new OutputAnalyzer(read(out)); |
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56 output.shouldContain("ClassMetaspaceSize = 52428800 (50.0MB)"); |
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57 out.delete(); |
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58 } |
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59 |
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60 private static void run(ProcessBuilder pb) throws Exception { |
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61 Process p = pb.start(); |
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62 p.waitFor(); |
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63 int exitValue = p.exitValue(); |
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64 if (exitValue != 0) { |
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65 throw new Exception("jmap -heap exited with error code: " + exitValue); |
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66 } |
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67 } |
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68 |
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69 private static String read(File f) throws Exception { |
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70 Path p = f.toPath(); |
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71 List<String> lines = Files.readAllLines(p, Charset.defaultCharset()); |
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72 |
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73 StringBuilder sb = new StringBuilder(); |
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74 for (String line : lines) { |
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75 sb.append(line).append('\n'); |
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76 } |
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77 return sb.toString(); |
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78 } |
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79 } |