Mercurial > hg > truffle
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiCompilationStatistics.java @ 5415:79f12805362b
Use iterative lowering instead of manually applying lowering
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Fri, 18 May 2012 15:48:38 +0200 |
parents | af59b4dfc9e4 |
children | dc71b06d09f8 |
rev | line source |
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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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23 package com.oracle.max.cri.ci; |
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24 |
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25 import java.io.*; |
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26 import java.lang.annotation.*; |
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27 import java.lang.reflect.*; |
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28 import java.util.*; |
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29 import java.util.concurrent.*; |
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30 |
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31 import com.oracle.max.cri.ri.*; |
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32 |
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33 @SuppressWarnings("unused") |
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34 public final class CiCompilationStatistics { |
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35 |
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36 private static final long RESOLUTION = 100000000; |
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37 private static final boolean TIMELINE_ENABLED = System.getProperty("stats.timeline.file") != null; |
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38 private static final boolean COMPILATIONSTATS_ENABLED = System.getProperty("stats.compilations.file") != null; |
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39 private static final boolean ENABLED = TIMELINE_ENABLED || COMPILATIONSTATS_ENABLED; |
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40 |
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41 private static final CiCompilationStatistics DUMMY = new CiCompilationStatistics(null); |
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42 |
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43 private static ConcurrentLinkedDeque<CiCompilationStatistics> list = new ConcurrentLinkedDeque<>(); |
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44 |
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45 private static final ThreadLocal<Deque<CiCompilationStatistics>> current = new ThreadLocal<Deque<CiCompilationStatistics>>() { |
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46 |
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47 @Override |
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48 protected Deque<CiCompilationStatistics> initialValue() { |
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49 return new ArrayDeque<>(); |
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50 } |
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51 }; |
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52 |
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53 @Retention(RetentionPolicy.RUNTIME) |
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54 @Target(ElementType.FIELD) |
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55 private static @interface AbsoluteTimeValue { |
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56 } |
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57 |
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58 @Retention(RetentionPolicy.RUNTIME) |
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59 @Target(ElementType.FIELD) |
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60 private static @interface TimeValue { |
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61 } |
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62 |
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63 private static long zeroTime = System.nanoTime(); |
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64 |
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65 private final String holder; |
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66 private final String name; |
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67 private final String signature; |
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68 @AbsoluteTimeValue |
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69 private final long startTime; |
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70 @TimeValue |
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71 private long duration; |
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72 private int startInvCount; |
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73 private int endInvCount; |
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74 private int bytecodeCount; |
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75 private int codeSize; |
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76 private int deoptCount; |
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77 |
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78 private CiCompilationStatistics(RiResolvedMethod method) { |
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79 if (method != null) { |
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80 holder = CiUtil.format("%H", method); |
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81 name = method.name(); |
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82 signature = CiUtil.format("%p", method); |
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83 startTime = System.nanoTime(); |
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84 startInvCount = method.invocationCount(); |
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85 bytecodeCount = method.codeSize(); |
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86 } else { |
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87 holder = ""; |
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88 name = ""; |
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89 signature = ""; |
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90 startTime = 0; |
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91 } |
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92 } |
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93 |
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94 public void finish(RiResolvedMethod method) { |
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95 if (ENABLED) { |
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96 duration = System.nanoTime() - startTime; |
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97 endInvCount = method.invocationCount(); |
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98 codeSize = method.compiledCodeSize(); |
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99 if (current.get().getLast() != this) { |
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100 throw new RuntimeException("mismatch in finish()"); |
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101 } |
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102 current.get().removeLast(); |
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103 } |
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104 } |
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105 |
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106 public static CiCompilationStatistics current() { |
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107 return current.get().isEmpty() ? null : current.get().getLast(); |
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108 } |
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109 |
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110 public static CiCompilationStatistics create(RiResolvedMethod method) { |
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111 if (ENABLED) { |
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112 CiCompilationStatistics stats = new CiCompilationStatistics(method); |
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113 list.add(stats); |
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114 current.get().addLast(stats); |
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115 return stats; |
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116 } else { |
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117 return DUMMY; |
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118 } |
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119 } |
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120 |
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121 @SuppressWarnings("deprecation") |
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122 public static void clear(String dumpName) { |
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123 if (!ENABLED) { |
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124 return; |
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125 } |
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126 try { |
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127 ConcurrentLinkedDeque<CiCompilationStatistics> snapshot = list; |
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128 long snapshotZeroTime = zeroTime; |
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129 |
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130 list = new ConcurrentLinkedDeque<>(); |
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131 zeroTime = System.nanoTime(); |
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132 |
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133 Date now = new Date(); |
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134 String dateString = (now.getYear() + 1900) + "_" + (now.getMonth() + 1) + "_" + now.getDate() + " " + now.getHours() + "_" + now.getMinutes() + "_" + now.getSeconds(); |
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135 try (PrintStream out = new PrintStream("compilations " + dateString + " " + dumpName + ".csv")) { |
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136 // output the list of all compilations |
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137 |
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138 Field[] declaredFields = CiCompilationStatistics.class.getDeclaredFields(); |
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139 ArrayList<Field> fields = new ArrayList<>(); |
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140 for (Field field : declaredFields) { |
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141 if (!Modifier.isStatic(field.getModifiers())) { |
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142 fields.add(field); |
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143 } |
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144 } |
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145 for (Field field : fields) { |
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146 out.print(field.getName() + ";"); |
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147 } |
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148 out.println(); |
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149 for (CiCompilationStatistics stats : snapshot) { |
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150 for (Field field : fields) { |
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151 if (field.isAnnotationPresent(AbsoluteTimeValue.class)) { |
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152 double value = (field.getLong(stats) - snapshotZeroTime) / 1000000d; |
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153 out.print(String.format(Locale.ENGLISH, "%.3f", value) + ";"); |
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154 } else if (field.isAnnotationPresent(TimeValue.class)) { |
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155 double value = field.getLong(stats) / 1000000d; |
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156 out.print(String.format(Locale.ENGLISH, "%.3f", value) + ";"); |
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157 } else { |
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158 out.print(field.get(stats) + ";"); |
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159 } |
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160 } |
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161 out.println(); |
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162 } |
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163 } |
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164 |
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165 String timelineFile = System.getProperty("stats.timeline.file"); |
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166 if (timelineFile == null || timelineFile.isEmpty()) { |
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167 timelineFile = "timeline " + dateString; |
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168 } |
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169 try (FileOutputStream fos = new FileOutputStream(timelineFile + " " + dumpName + ".csv", true); PrintStream out = new PrintStream(fos)) { |
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170 |
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171 long[] timeSpent = new long[10000]; |
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172 int maxTick = 0; |
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173 for (CiCompilationStatistics stats : snapshot) { |
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174 long start = stats.startTime - snapshotZeroTime; |
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175 long duration = stats.duration; |
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176 if (start < 0) { |
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177 duration -= -start; |
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178 start = 0; |
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179 } |
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180 |
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181 int tick = (int) (start / RESOLUTION); |
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182 long timeLeft = RESOLUTION - (start % RESOLUTION); |
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183 |
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184 while (tick < timeSpent.length && duration > 0) { |
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185 if (tick > maxTick) { |
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186 maxTick = tick; |
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187 } |
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188 timeSpent[tick] += Math.min(timeLeft, duration); |
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189 duration -= timeLeft; |
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190 tick++; |
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191 timeLeft = RESOLUTION; |
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192 } |
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193 } |
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194 String timelineName = System.getProperty("stats.timeline.name"); |
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195 if (timelineName != null && !timelineName.isEmpty()) { |
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196 out.print(timelineName + ";"); |
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197 } |
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198 for (int i = 0; i <= maxTick; i++) { |
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199 out.print((timeSpent[i] * 100 / RESOLUTION) + ";"); |
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200 } |
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201 out.println(); |
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202 } |
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203 } catch (Exception e) { |
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204 throw new RuntimeException(e); |
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205 } |
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206 } |
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207 |
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208 public void setDeoptCount(int count) { |
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209 this.deoptCount = count; |
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210 } |
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211 } |