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annotate graal/Compiler/src/com/sun/c1x/C1XMetrics.java @ 2507:9ec15d6914ca

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Pull over of compiler from maxine repository.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:43:22 +0200
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children
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2507
9ec15d6914ca Pull over of compiler from maxine repository.
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1 /*
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2 * Copyright (c) 2009, 2011, 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.sun.c1x;
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24
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25 import java.lang.reflect.*;
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26 import java.util.*;
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27
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28 import com.sun.c1x.debug.*;
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29
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30
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31 /**
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32 * This class contains a number of fields that collect metrics about compilation, particularly
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33 * the number of times certain optimizations are performed.
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34 *
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35 * @author Ben L. Titzer
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36 */
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37 public class C1XMetrics {
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38 public static int CompiledMethods;
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39 public static int TargetMethods;
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40 public static int LocalValueNumberHits;
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41 public static int GlobalValueNumberHits;
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42 public static int ValueMapResizes;
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43 public static int InlinedFinalizerChecks;
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44 public static int MethodsFolded;
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45 public static int InlineForcedMethods;
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46 public static int InlineForbiddenMethods;
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47 public static int InlinedJsrs;
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48 public static int NullCheckIterations;
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49 public static int NullCheckEliminations;
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50 public static int NullChecksRedundant;
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51 public static int NullCheckIdsAssigned;
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52 public static int ZeroChecksRedundant;
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53 public static int DivideSpecialChecksRedundant;
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54 public static int StoreCheckEliminations;
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55 public static int BoundsChecksElminations;
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56 public static int ConditionalEliminations;
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57 public static int BlocksMerged;
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58 public static int BlocksSkipped;
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59 public static int BlocksDeleted;
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60 public static int DeadCodeEliminated;
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61 public static int ResolveCPEAttempts;
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62 public static int BytecodesCompiled;
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63 public static int CodeBytesEmitted;
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64 public static int SafepointsEmitted;
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65 public static int ExceptionHandlersEmitted;
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66 public static int DataPatches;
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67 public static int DirectCallSitesEmitted;
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68 public static int IndirectCallSitesEmitted;
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69 public static int HIRInstructions;
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70 public static int LiveHIRInstructions;
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71 public static int LIRInstructions;
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72 public static int LIRVariables;
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73 public static int LIRXIRInstructions;
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74 public static int LIRMoveInstructions;
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75 public static int LSRAIntervalsCreated;
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76 public static int LSRASpills;
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77 public static int LoadConstantIterations;
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78 public static int CodeBufferCopies;
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79 public static int UniqueValueIdsAssigned;
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80 public static int RedundantConditionals;
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81 public static int FrameStatesCreated;
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82 public static int FrameStateValuesCreated;
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83
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84 public static void print() {
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85 printClassFields(C1XMetrics.class);
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86
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87 }
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88
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89 public static void printClassFields(Class<?> javaClass) {
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90 final String className = javaClass.getSimpleName();
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91 TTY.println(className + " {");
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92 for (final Field field : javaClass.getFields()) {
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93 printField(field, false);
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94 }
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95 TTY.println("}");
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96 }
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97
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98 public static void printField(final Field field, boolean tabbed) {
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99 final String fieldName = String.format("%35s", field.getName());
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100 try {
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101 String prefix = tabbed ? "" : " " + fieldName + " = ";
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102 String postfix = tabbed ? "\t" : "\n";
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103 if (field.getType() == int.class) {
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104 TTY.print(prefix + field.getInt(null) + postfix);
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105 } else if (field.getType() == boolean.class) {
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106 TTY.print(prefix + field.getBoolean(null) + postfix);
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107 } else if (field.getType() == float.class) {
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108 TTY.print(prefix + field.getFloat(null) + postfix);
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109 } else if (field.getType() == String.class) {
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110 TTY.print(prefix + field.get(null) + postfix);
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111 } else if (field.getType() == Map.class) {
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112 Map<?, ?> m = (Map<?, ?>) field.get(null);
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113 TTY.print(prefix + printMap(m) + postfix);
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114 } else {
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115 TTY.print(prefix + field.get(null) + postfix);
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116 }
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117 } catch (IllegalAccessException e) {
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118 // do nothing.
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119 }
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120 }
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121
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122 private static String printMap(Map<?, ?> m) {
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123 StringBuilder sb = new StringBuilder();
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124
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125 List<String> keys = new ArrayList<String>();
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126 for (Object key : m.keySet()) {
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127 keys.add((String) key);
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128 }
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129 Collections.sort(keys);
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130
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131 for (String key : keys) {
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132 sb.append(key);
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133 sb.append("\t");
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134 sb.append(m.get(key));
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135 sb.append("\n");
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136 }
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137
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138 return sb.toString();
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139 }
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140
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141 private static void printField(String fieldName, long value) {
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142 TTY.print(" " + fieldName + " = " + value + "\n");
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143 }
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144
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145 private static void printField(String fieldName, double value) {
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146 TTY.print(" " + fieldName + " = " + value + "\n");
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147 }
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148 }
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149