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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiCompilationStatistics.java @ 5507:dc71b06d09f8

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Moving classes from cri.ri to api.meta.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Jun 2012 18:24:06 +0200
parents af59b4dfc9e4
children
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5176
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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
5507
dc71b06d09f8 Moving classes from cri.ri to api.meta.
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31 import com.oracle.graal.api.meta.*;
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32 import com.oracle.max.cri.ri.*;
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33
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34 @SuppressWarnings("unused")
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35 public final class CiCompilationStatistics {
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36
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37 private static final long RESOLUTION = 100000000;
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38 private static final boolean TIMELINE_ENABLED = System.getProperty("stats.timeline.file") != null;
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39 private static final boolean COMPILATIONSTATS_ENABLED = System.getProperty("stats.compilations.file") != null;
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40 private static final boolean ENABLED = TIMELINE_ENABLED || COMPILATIONSTATS_ENABLED;
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41
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42 private static final CiCompilationStatistics DUMMY = new CiCompilationStatistics(null);
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43
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44 private static ConcurrentLinkedDeque<CiCompilationStatistics> list = new ConcurrentLinkedDeque<>();
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45
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46 private static final ThreadLocal<Deque<CiCompilationStatistics>> current = new ThreadLocal<Deque<CiCompilationStatistics>>() {
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47
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48 @Override
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49 protected Deque<CiCompilationStatistics> 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 AbsoluteTimeValue {
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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 final String holder;
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67 private final String name;
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68 private final String signature;
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69 @AbsoluteTimeValue
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70 private final long startTime;
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71 @TimeValue
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72 private long duration;
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73 private int startInvCount;
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74 private int endInvCount;
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75 private int bytecodeCount;
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76 private int codeSize;
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77 private int deoptCount;
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78
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79 private CiCompilationStatistics(RiResolvedMethod method) {
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80 if (method != null) {
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81 holder = CiUtil.format("%H", method);
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82 name = method.name();
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83 signature = CiUtil.format("%p", method);
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84 startTime = System.nanoTime();
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85 startInvCount = method.invocationCount();
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86 bytecodeCount = method.codeSize();
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87 } else {
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88 holder = "";
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89 name = "";
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90 signature = "";
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91 startTime = 0;
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92 }
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93 }
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94
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95 public void finish(RiResolvedMethod method) {
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96 if (ENABLED) {
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97 duration = System.nanoTime() - startTime;
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98 endInvCount = method.invocationCount();
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99 codeSize = method.compiledCodeSize();
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100 if (current.get().getLast() != this) {
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101 throw new RuntimeException("mismatch in finish()");
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102 }
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103 current.get().removeLast();
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104 }
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105 }
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106
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107 public static CiCompilationStatistics current() {
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108 return current.get().isEmpty() ? null : current.get().getLast();
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109 }
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110
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111 public static CiCompilationStatistics create(RiResolvedMethod method) {
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112 if (ENABLED) {
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113 CiCompilationStatistics stats = new CiCompilationStatistics(method);
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114 list.add(stats);
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115 current.get().addLast(stats);
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116 return stats;
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117 } else {
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118 return DUMMY;
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119 }
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120 }
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121
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122 @SuppressWarnings("deprecation")
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123 public static void clear(String dumpName) {
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124 if (!ENABLED) {
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125 return;
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126 }
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127 try {
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128 ConcurrentLinkedDeque<CiCompilationStatistics> snapshot = list;
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129 long snapshotZeroTime = zeroTime;
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130
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131 list = new ConcurrentLinkedDeque<>();
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132 zeroTime = System.nanoTime();
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133
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134 Date now = new Date();
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135 String dateString = (now.getYear() + 1900) + "_" + (now.getMonth() + 1) + "_" + now.getDate() + " " + now.getHours() + "_" + now.getMinutes() + "_" + now.getSeconds();
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136 try (PrintStream out = new PrintStream("compilations " + dateString + " " + dumpName + ".csv")) {
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137 // output the list of all compilations
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138
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139 Field[] declaredFields = CiCompilationStatistics.class.getDeclaredFields();
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140 ArrayList<Field> fields = new ArrayList<>();
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141 for (Field field : declaredFields) {
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142 if (!Modifier.isStatic(field.getModifiers())) {
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143 fields.add(field);
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144 }
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145 }
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146 for (Field field : fields) {
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147 out.print(field.getName() + ";");
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148 }
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149 out.println();
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150 for (CiCompilationStatistics stats : snapshot) {
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151 for (Field field : fields) {
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152 if (field.isAnnotationPresent(AbsoluteTimeValue.class)) {
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153 double value = (field.getLong(stats) - snapshotZeroTime) / 1000000d;
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154 out.print(String.format(Locale.ENGLISH, "%.3f", value) + ";");
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155 } else if (field.isAnnotationPresent(TimeValue.class)) {
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156 double value = field.getLong(stats) / 1000000d;
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157 out.print(String.format(Locale.ENGLISH, "%.3f", value) + ";");
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158 } else {
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159 out.print(field.get(stats) + ";");
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160 }
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161 }
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162 out.println();
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163 }
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164 }
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165
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166 String timelineFile = System.getProperty("stats.timeline.file");
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167 if (timelineFile == null || timelineFile.isEmpty()) {
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168 timelineFile = "timeline " + dateString;
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169 }
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170 try (FileOutputStream fos = new FileOutputStream(timelineFile + " " + dumpName + ".csv", true); PrintStream out = new PrintStream(fos)) {
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171
af59b4dfc9e4 compilation queue changes:
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172 long[] timeSpent = new long[10000];
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173 int maxTick = 0;
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174 for (CiCompilationStatistics stats : snapshot) {
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175 long start = stats.startTime - snapshotZeroTime;
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176 long duration = stats.duration;
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177 if (start < 0) {
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178 duration -= -start;
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179 start = 0;
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180 }
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181
af59b4dfc9e4 compilation queue changes:
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182 int tick = (int) (start / RESOLUTION);
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183 long timeLeft = RESOLUTION - (start % RESOLUTION);
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184
af59b4dfc9e4 compilation queue changes:
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185 while (tick < timeSpent.length && duration > 0) {
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186 if (tick > maxTick) {
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187 maxTick = tick;
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188 }
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189 timeSpent[tick] += Math.min(timeLeft, duration);
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190 duration -= timeLeft;
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191 tick++;
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192 timeLeft = RESOLUTION;
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193 }
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194 }
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195 String timelineName = System.getProperty("stats.timeline.name");
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196 if (timelineName != null && !timelineName.isEmpty()) {
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197 out.print(timelineName + ";");
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198 }
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199 for (int i = 0; i <= maxTick; i++) {
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200 out.print((timeSpent[i] * 100 / RESOLUTION) + ";");
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201 }
af59b4dfc9e4 compilation queue changes:
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202 out.println();
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203 }
af59b4dfc9e4 compilation queue changes:
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204 } catch (Exception e) {
af59b4dfc9e4 compilation queue changes:
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205 throw new RuntimeException(e);
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206 }
af59b4dfc9e4 compilation queue changes:
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parents:
diff changeset
207 }
af59b4dfc9e4 compilation queue changes:
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diff changeset
208
af59b4dfc9e4 compilation queue changes:
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209 public void setDeoptCount(int count) {
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210 this.deoptCount = count;
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parents:
diff changeset
211 }
af59b4dfc9e4 compilation queue changes:
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parents:
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212 }