annotate graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/CompilationStatistics.java @ 21789:5b9adb645217

fixed remnants of "graal" names in JVMCI code
author Doug Simon <doug.simon@oracle.com>
date Mon, 08 Jun 2015 20:24:51 +0200
parents 3d15183f3c93
children
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1 /*
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2 * Copyright (c) 2012, 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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3d15183f3c93 Introduce Compiler interface in jvmci. Use it from jvmci.hotspot.CompilationTask
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23 package com.oracle.jvmci.hotspot;
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24
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25 import static java.lang.Thread.*;
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26
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27 import java.io.*;
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28 import java.lang.annotation.*;
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29 import java.lang.management.*;
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30 import java.lang.reflect.*;
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31 import java.util.*;
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32 import java.util.concurrent.*;
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33
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34 import com.sun.management.ThreadMXBean;
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35
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36 @SuppressWarnings("unused")
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37 public final class CompilationStatistics {
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38
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39 private static final long RESOLUTION = 100000000;
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40 private static final boolean ENABLED = Boolean.getBoolean("jvmci.comp.stats");
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41
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42 private static final CompilationStatistics DUMMY = new CompilationStatistics(null, false);
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43
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44 private static ConcurrentLinkedDeque<CompilationStatistics> list = new ConcurrentLinkedDeque<>();
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45
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46 private static final ThreadLocal<Deque<CompilationStatistics>> current = new ThreadLocal<Deque<CompilationStatistics>>() {
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47
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48 @Override
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49 protected Deque<CompilationStatistics> initialValue() {
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50 return new ArrayDeque<>();
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51 }
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52 };
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53
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54 @Retention(RetentionPolicy.RUNTIME)
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55 @Target(ElementType.FIELD)
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56 private static @interface NotReported {
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57 }
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58
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59 @Retention(RetentionPolicy.RUNTIME)
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60 @Target(ElementType.FIELD)
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61 private static @interface TimeValue {
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62 }
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63
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64 private static long zeroTime = System.nanoTime();
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65
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66 private static long getThreadAllocatedBytes() {
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67 ThreadMXBean thread = (ThreadMXBean) ManagementFactory.getThreadMXBean();
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68 return thread.getThreadAllocatedBytes(currentThread().getId());
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69 }
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70
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71 @NotReported private final long startTime;
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72 @NotReported private long threadAllocatedBytesStart;
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73
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74 private int bytecodeCount;
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75 private int codeSize;
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76 @TimeValue private long duration;
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77 private long memoryUsed;
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78 private final boolean osr;
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79 private final String holder;
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80 private final String name;
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81 private final String signature;
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82
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83 private CompilationStatistics(HotSpotResolvedJavaMethod method, boolean osr) {
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84 this.osr = osr;
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85 if (method != null) {
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86 holder = method.getDeclaringClass().getName();
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87 name = method.getName();
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88 signature = method.getSignature().toMethodDescriptor();
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89 startTime = System.nanoTime();
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90 bytecodeCount = method.getCodeSize();
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91 threadAllocatedBytesStart = getThreadAllocatedBytes();
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92 } else {
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93 holder = "";
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94 name = "";
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95 signature = "";
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96 startTime = 0;
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97 }
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98 }
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99
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100 public void finish(HotSpotResolvedJavaMethod method, HotSpotInstalledCode code) {
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101 if (ENABLED) {
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102 duration = System.nanoTime() - startTime;
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103 codeSize = (int) code.getCodeSize();
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104 memoryUsed = getThreadAllocatedBytes() - threadAllocatedBytesStart;
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105 if (current.get().getLast() != this) {
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106 throw new RuntimeException("mismatch in finish()");
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107 }
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108 current.get().removeLast();
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109 }
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110 }
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111
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112 public static CompilationStatistics current() {
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113 return current.get().isEmpty() ? null : current.get().getLast();
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114 }
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115
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116 public static CompilationStatistics create(HotSpotResolvedJavaMethod method, boolean isOSR) {
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117 if (ENABLED) {
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118 CompilationStatistics stats = new CompilationStatistics(method, isOSR);
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119 list.add(stats);
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120 current.get().addLast(stats);
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121 return stats;
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122 } else {
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123 return DUMMY;
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124 }
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125 }
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126
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127 @SuppressWarnings("deprecation")
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128 public static void clear(String dumpName) {
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129 if (!ENABLED) {
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130 return;
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131 }
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132 try {
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133 ConcurrentLinkedDeque<CompilationStatistics> snapshot = list;
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134 long snapshotZeroTime = zeroTime;
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135
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136 list = new ConcurrentLinkedDeque<>();
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137 zeroTime = System.nanoTime();
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138
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139 Date now = new Date();
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140 String dateString = (now.getYear() + 1900) + "-" + (now.getMonth() + 1) + "-" + now.getDate() + "-" + now.getHours() + "" + now.getMinutes();
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141
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142 dumpCompilations(snapshot, dumpName, dateString);
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143
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144 try (FileOutputStream fos = new FileOutputStream("timeline_" + dateString + "_" + dumpName + ".csv", true); PrintStream out = new PrintStream(fos)) {
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145
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146 long[] timeSpent = new long[10000];
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147 int maxTick = 0;
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148 for (CompilationStatistics stats : snapshot) {
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149 long start = stats.startTime - snapshotZeroTime;
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150 long duration = stats.duration;
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151 if (start < 0) {
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152 duration -= -start;
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153 start = 0;
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154 }
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155
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156 int tick = (int) (start / RESOLUTION);
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157 long timeLeft = RESOLUTION - (start % RESOLUTION);
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158
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159 while (tick < timeSpent.length && duration > 0) {
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160 if (tick > maxTick) {
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161 maxTick = tick;
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162 }
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163 timeSpent[tick] += Math.min(timeLeft, duration);
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164 duration -= timeLeft;
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165 tick++;
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166 timeLeft = RESOLUTION;
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167 }
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168 }
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169 String timelineName = System.getProperty("stats.timeline.name");
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170 if (timelineName != null && !timelineName.isEmpty()) {
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171 out.print(timelineName + "\t");
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172 }
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173 for (int i = 0; i <= maxTick; i++) {
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174 out.print((timeSpent[i] * 100 / RESOLUTION) + "\t");
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175 }
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176 out.println();
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177 }
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178 } catch (Exception e) {
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179 throw new RuntimeException(e);
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180 }
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181 }
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182
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183 protected static void dumpCompilations(ConcurrentLinkedDeque<CompilationStatistics> snapshot, String dumpName, String dateString) throws IllegalAccessException, FileNotFoundException {
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184 String fileName = "compilations_" + dateString + "_" + dumpName + ".csv";
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185 try (PrintStream out = new PrintStream(fileName)) {
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186 // output the list of all compilations
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187
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188 Field[] declaredFields = CompilationStatistics.class.getDeclaredFields();
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189 ArrayList<Field> fields = new ArrayList<>();
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190 for (Field field : declaredFields) {
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191 if (!Modifier.isStatic(field.getModifiers()) && !field.isAnnotationPresent(NotReported.class)) {
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192 fields.add(field);
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193 }
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194 }
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195 for (Field field : fields) {
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196 out.print(field.getName() + "\t");
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197 }
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198 out.println();
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199 for (CompilationStatistics stats : snapshot) {
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200 for (Field field : fields) {
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201 if (field.isAnnotationPresent(TimeValue.class)) {
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202 double value = field.getLong(stats) / 1000000d;
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203 out.print(String.format(Locale.ENGLISH, "%.3f", value) + "\t");
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204 } else {
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205 out.print(field.get(stats) + "\t");
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206 }
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207 }
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208 out.println();
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209 }
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210 }
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211 }
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212 }