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annotate test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java @ 16391:50d79ad439f1

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Truffle/Instrumentation: rename PhylumTag to SyntaxTag (along with related classes/methods)
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Wed, 02 Jul 2014 16:06:42 -0700
parents c51cd6af7e61
children 09f19d3de485
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 import java.io.BufferedReader;
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25 import java.io.File;
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26 import java.io.FileNotFoundException;
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27 import java.io.FileReader;
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28 import java.io.IOException;
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29 import java.io.Reader;
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30 import java.nio.CharBuffer;
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31 import java.util.Arrays;
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32 import java.util.Scanner;
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33
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34 import com.oracle.java.testlibrary.Asserts;
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35 import com.oracle.java.testlibrary.JDKToolFinder;
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36 import com.oracle.java.testlibrary.JDKToolLauncher;
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37 import com.oracle.java.testlibrary.OutputAnalyzer;
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38 import com.oracle.java.testlibrary.Platform;
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39 import com.oracle.java.testlibrary.ProcessTools;
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40
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41 /*
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42 * @test
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43 * @bug 6313383
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44 * @key regression
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45 * @summary Regression test for hprof export issue due to large heaps (>2G)
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46 * @library /testlibrary
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47 * @compile JMapHProfLargeHeapProc.java
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48 * @run main JMapHProfLargeHeapTest
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49 */
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50
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51 public class JMapHProfLargeHeapTest {
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52 private static final String HEAP_DUMP_FILE_NAME = "heap.hprof";
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53 private static final String HPROF_HEADER_1_0_1 = "JAVA PROFILE 1.0.1";
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54 private static final String HPROF_HEADER_1_0_2 = "JAVA PROFILE 1.0.2";
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55 private static final long M = 1024L;
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56 private static final long G = 1024L * M;
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57
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58 public static void main(String[] args) throws Exception {
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59 // If we are on MacOSX, test if JMap tool is signed, otherwise return
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60 // since test will fail with privilege error.
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61 if (Platform.isOSX()) {
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62 String jmapToolPath = JDKToolFinder.getTestJDKTool("jmap");
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63 ProcessBuilder codesignProcessBuilder = new ProcessBuilder(
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64 "codesign", "-v", jmapToolPath);
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65 Process codesignProcess = codesignProcessBuilder.start();
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66 OutputAnalyzer analyser = new OutputAnalyzer(codesignProcess);
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67 try {
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68 analyser.shouldNotContain("code object is not signed at all");
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69 System.out.println("Signed jmap found at: " + jmapToolPath);
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70 } catch (Exception e) {
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71 // Abort since we can't know if the test will work
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72 System.out
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73 .println("Test aborted since we are on MacOSX and the jmap tool is not signed.");
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74 return;
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75 }
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76 }
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77
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78 // Small heap 22 megabytes, should create 1.0.1 file format
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79 testHProfFileFormat("-Xmx1g", 22 * M, HPROF_HEADER_1_0_1);
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80
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81 /**
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82 * This test was deliberately commented out since the test system lacks
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83 * support to handle the requirements for this kind of heap size in a
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84 * good way. If or when it becomes possible to run this kind of tests in
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85 * the test environment the test should be enabled again.
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86 * */
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87 // Large heap 2,2 gigabytes, should create 1.0.2 file format
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88 // testHProfFileFormat("-Xmx4g", 2 * G + 2 * M, HPROF_HEADER_1_0_2);
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89 }
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90
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91 private static void testHProfFileFormat(String vmArgs, long heapSize,
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92 String expectedFormat) throws Exception, IOException,
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93 InterruptedException, FileNotFoundException {
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94 ProcessBuilder procBuilder = ProcessTools.createJavaProcessBuilder(
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95 vmArgs, "JMapHProfLargeHeapProc", String.valueOf(heapSize));
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96 procBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
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97 Process largeHeapProc = procBuilder.start();
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98
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99 try (Scanner largeHeapScanner = new Scanner(
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100 largeHeapProc.getInputStream());) {
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101 String pidstring = null;
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102 while ((pidstring = largeHeapScanner.findInLine("PID\\[[0-9].*\\]")) == null) {
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103 Thread.sleep(500);
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104 }
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105 int pid = Integer.parseInt(pidstring.substring(4,
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106 pidstring.length() - 1));
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107 System.out.println("Extracted pid: " + pid);
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108
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109 JDKToolLauncher jMapLauncher = JDKToolLauncher
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110 .createUsingTestJDK("jmap");
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111 jMapLauncher.addToolArg("-dump:format=b,file=" + pid + "-"
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112 + HEAP_DUMP_FILE_NAME);
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113 jMapLauncher.addToolArg(String.valueOf(pid));
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114
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115 ProcessBuilder jMapProcessBuilder = new ProcessBuilder(
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116 jMapLauncher.getCommand());
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117 System.out.println("jmap command: "
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118 + Arrays.toString(jMapLauncher.getCommand()));
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119
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120 Process jMapProcess = jMapProcessBuilder.start();
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121 OutputAnalyzer analyzer = new OutputAnalyzer(jMapProcess);
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122 analyzer.shouldHaveExitValue(0);
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123 analyzer.shouldContain(pid + "-" + HEAP_DUMP_FILE_NAME);
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124 analyzer.shouldContain("Heap dump file created");
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125
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126 largeHeapProc.getOutputStream().write('\n');
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127
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128 File dumpFile = new File(pid + "-" + HEAP_DUMP_FILE_NAME);
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129 Asserts.assertTrue(dumpFile.exists(), "Heap dump file not found.");
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130
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131 try (Reader reader = new BufferedReader(new FileReader(dumpFile))) {
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132 CharBuffer buf = CharBuffer.allocate(expectedFormat.length());
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133 reader.read(buf);
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134 buf.clear();
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135 Asserts.assertEQ(buf.toString(), expectedFormat,
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136 "Wrong file format. Expected '" + expectedFormat
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137 + "', but found '" + buf.toString() + "'");
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138 }
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139
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140 System.out.println("Success!");
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141
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142 } finally {
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143 largeHeapProc.destroyForcibly();
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144 }
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145 }
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146 }