Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/g1HRPrinter.hpp @ 5935:a735aec54ea4
7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02
Summary: The JVMTI ResourceExhausted events must be generated in all places where OOME is thrown
Reviewed-by: acorn, coleenp, dcubed, dholmes, dsamersoff, jwilhelm, tonyp
Contributed-by: serguei.spitsyn@oracle.com
author | sspitsyn |
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date | Wed, 14 Mar 2012 20:06:48 -0700 |
parents | 5f6f2615433a |
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1 /* |
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2 * Copyright (c) 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 */ |
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24 |
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1HRPRINTER_HPP |
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26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1HRPRINTER_HPP |
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27 |
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28 #include "memory/allocation.hpp" |
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29 #include "gc_implementation/g1/heapRegion.hpp" |
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30 |
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31 #define SKIP_RETIRED_FULL_REGIONS 1 |
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32 |
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33 class G1HRPrinter VALUE_OBJ_CLASS_SPEC { |
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34 public: |
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35 typedef enum { |
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36 Alloc, |
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37 AllocForce, |
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38 Retire, |
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39 Reuse, |
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40 CSet, |
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41 EvacFailure, |
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42 Cleanup, |
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43 PostCompaction, |
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44 Commit, |
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45 Uncommit |
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46 } ActionType; |
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47 |
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48 typedef enum { |
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49 Unset, |
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50 Eden, |
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51 Survivor, |
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52 Old, |
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53 SingleHumongous, |
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54 StartsHumongous, |
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55 ContinuesHumongous |
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56 } RegionType; |
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57 |
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58 typedef enum { |
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59 StartGC, |
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60 EndGC, |
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61 StartFullGC, |
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62 EndFullGC |
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63 } PhaseType; |
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64 |
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65 private: |
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66 bool _active; |
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67 |
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68 static const char* action_name(ActionType action); |
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69 static const char* region_type_name(RegionType type); |
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70 static const char* phase_name(PhaseType phase); |
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71 |
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72 // Print an action event. This version is used in most scenarios and |
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73 // only prints the region's bottom. The parameters type and top are |
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74 // optional (the "not set" values are Unset and NULL). |
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75 static void print(ActionType action, RegionType type, |
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76 HeapRegion* hr, HeapWord* top); |
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77 |
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78 // Print an action event. This version prints both the region's |
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79 // bottom and end. Used for Commit / Uncommit events. |
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80 static void print(ActionType action, HeapWord* bottom, HeapWord* end); |
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81 |
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82 // Print a phase event. |
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83 static void print(PhaseType phase, size_t phase_num); |
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84 |
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85 public: |
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86 // In some places we iterate over a list in order to generate output |
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87 // for the list's elements. By exposing this we can avoid this |
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88 // iteration if the printer is not active. |
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89 const bool is_active() { return _active; } |
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90 |
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91 // Have to set this explicitly as we have to do this during the |
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92 // heap's initialize() method, not in the constructor. |
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93 void set_active(bool active) { _active = active; } |
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94 |
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95 // The methods below are convenient wrappers for the print() methods. |
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96 |
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97 void alloc(HeapRegion* hr, RegionType type, bool force = false) { |
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98 if (is_active()) { |
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99 print((!force) ? Alloc : AllocForce, type, hr, NULL); |
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100 } |
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101 } |
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102 |
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103 void alloc(RegionType type, HeapRegion* hr, HeapWord* top) { |
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104 if (is_active()) { |
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105 print(Alloc, type, hr, top); |
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106 } |
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107 } |
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108 |
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109 void retire(HeapRegion* hr) { |
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110 if (is_active()) { |
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111 if (!SKIP_RETIRED_FULL_REGIONS || hr->top() < hr->end()) { |
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112 print(Retire, Unset, hr, hr->top()); |
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113 } |
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114 } |
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115 } |
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116 |
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117 void reuse(HeapRegion* hr) { |
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118 if (is_active()) { |
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119 print(Reuse, Unset, hr, NULL); |
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120 } |
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121 } |
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122 |
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123 void cset(HeapRegion* hr) { |
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124 if (is_active()) { |
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125 print(CSet, Unset, hr, NULL); |
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126 } |
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127 } |
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128 |
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129 void evac_failure(HeapRegion* hr) { |
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130 if (is_active()) { |
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131 print(EvacFailure, Unset, hr, NULL); |
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132 } |
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133 } |
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134 |
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135 void cleanup(HeapRegion* hr) { |
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136 if (is_active()) { |
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137 print(Cleanup, Unset, hr, NULL); |
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138 } |
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139 } |
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140 |
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141 void post_compaction(HeapRegion* hr, RegionType type) { |
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142 if (is_active()) { |
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143 print(PostCompaction, type, hr, hr->top()); |
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144 } |
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145 } |
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146 |
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147 void commit(HeapWord* bottom, HeapWord* end) { |
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148 if (is_active()) { |
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149 print(Commit, bottom, end); |
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150 } |
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151 } |
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152 |
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153 void uncommit(HeapWord* bottom, HeapWord* end) { |
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154 if (is_active()) { |
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155 print(Uncommit, bottom, end); |
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156 } |
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157 } |
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158 |
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159 void start_gc(bool full, size_t gc_num) { |
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160 if (is_active()) { |
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161 if (!full) { |
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162 print(StartGC, gc_num); |
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163 } else { |
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164 print(StartFullGC, gc_num); |
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165 } |
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166 } |
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167 } |
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168 |
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169 void end_gc(bool full, size_t gc_num) { |
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170 if (is_active()) { |
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171 if (!full) { |
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172 print(EndGC, gc_num); |
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173 } else { |
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174 print(EndFullGC, gc_num); |
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175 } |
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176 } |
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177 } |
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178 |
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179 G1HRPrinter() : _active(false) { } |
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180 }; |
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181 |
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182 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1HRPRINTER_HPP |