1 | /******************************************************************* |
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2 | * File: omBin.c |
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3 | * Purpose: definitions of routines for working with bins |
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4 | * Author: obachman (Olaf Bachmann) |
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5 | * Created: 11/99 |
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6 | *******************************************************************/ |
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7 | |
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8 | #include "omalloc.h" |
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9 | /* this should go away */ |
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10 | |
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11 | #ifdef OM_INTERNAL_DEBUG |
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12 | size_t omSizeOfBinAddr(void* addr) |
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13 | { |
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14 | return _omSizeOfBinAddr(addr); |
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15 | } |
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16 | #endif |
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17 | |
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18 | /***************************************************************** |
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19 | * |
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20 | * SpecBin business |
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21 | * |
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22 | *****************************************************************/ |
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23 | #define om_LargeBin ((omBin) 1) |
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24 | omBin _omGetSpecBin(size_t size, int align, int track) |
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25 | |
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26 | { |
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27 | omBin om_new_specBin; |
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28 | long max_blocks; |
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29 | long sizeW; |
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30 | |
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31 | |
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32 | size = OM_ALIGN_SIZE(size); |
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33 | #ifdef OM_ALIGNMENT_NEEDS_WORK |
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34 | if (align || size >= OM_SIZEOF_UNIQUE_MAX_BLOCK_THRESHOLD) |
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35 | { |
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36 | align = 1; |
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37 | size = OM_STRICT_ALIGN_SIZE(size); |
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38 | } |
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39 | #else |
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40 | align = 0; |
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41 | #endif |
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42 | |
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43 | if (size > SIZEOF_OM_BIN_PAGE) |
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44 | { |
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45 | /* need page header */ |
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46 | max_blocks = - (long) |
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47 | ((size+(SIZEOF_SYSTEM_PAGE-SIZEOF_OM_BIN_PAGE))+SIZEOF_SYSTEM_PAGE-1) |
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48 | / SIZEOF_SYSTEM_PAGE; |
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49 | sizeW = ((-max_blocks*SIZEOF_SYSTEM_PAGE) - |
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50 | (SIZEOF_SYSTEM_PAGE - SIZEOF_OM_BIN_PAGE)) / SIZEOF_LONG; |
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51 | om_new_specBin = om_LargeBin; |
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52 | } |
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53 | else |
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54 | { |
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55 | /* SIZEOF_OM_BIN_PAGE == max_blocks*size + r1; r1 < size */ |
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56 | /* r1 = max_blocks*(size_padding) + r2; r2 < max_blocks */ |
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57 | max_blocks = SIZEOF_OM_BIN_PAGE / size; |
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58 | sizeW = (SIZEOF_OM_BIN_PAGE % size) / max_blocks; |
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59 | #ifdef OM_ALIGNMENT_NEEDS_WORK |
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60 | if (align) |
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61 | sizeW = ((size + sizeW) & ~ (SIZEOF_STRICT_ALIGNMENT - 1)); |
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62 | else |
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63 | #endif |
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64 | sizeW = ((size + sizeW) & ~ (SIZEOF_OM_ALIGNMENT - 1)); |
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65 | |
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66 | omAssume(sizeW >= size); |
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67 | omAssume(max_blocks*sizeW <= SIZEOF_OM_BIN_PAGE); |
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68 | omAssume((max_blocks+1)*sizeW > SIZEOF_OM_BIN_PAGE || |
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69 | max_blocks*(sizeW + SIZEOF_STRICT_ALIGNMENT) > SIZEOF_OM_BIN_PAGE); |
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70 | |
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71 | sizeW = sizeW >> LOG_SIZEOF_LONG; |
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72 | if (size > OM_MAX_BLOCK_SIZE) |
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73 | { |
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74 | om_new_specBin = om_LargeBin; |
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75 | } |
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76 | #ifdef OM_ALIGNMENT_NEEDS_WORK |
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77 | else if (align) |
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78 | { |
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79 | om_new_specBin = omSmallSize2AlignedBin( size ); |
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80 | } |
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81 | #endif |
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82 | #ifdef OM_HAVE_TRACK |
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83 | else if (track) |
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84 | { |
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85 | om_new_specBin = omSmallSize2TrackBin( size ); |
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86 | } |
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87 | #endif |
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88 | else |
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89 | { |
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90 | om_new_specBin = omSmallSize2Bin( size ); |
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91 | } |
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92 | } |
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93 | |
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94 | if (om_new_specBin == om_LargeBin || |
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95 | om_new_specBin->max_blocks < max_blocks) |
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96 | { |
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97 | omSpecBin s_bin; |
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98 | #ifdef OM_HAVE_TRACK |
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99 | if (track) |
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100 | s_bin = omFindInSortedGList(om_SpecTrackBin, next, max_blocks, max_blocks); |
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101 | else |
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102 | #endif |
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103 | s_bin = omFindInSortedGList(om_SpecBin, next, max_blocks, max_blocks); |
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104 | |
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105 | if (s_bin != NULL) |
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106 | { |
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107 | (s_bin->ref)++; |
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108 | omAssume(s_bin->bin != NULL && |
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109 | s_bin->bin->max_blocks == s_bin->max_blocks && |
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110 | s_bin->bin->sizeW == sizeW); |
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111 | return s_bin->bin; |
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112 | } |
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113 | s_bin = (omSpecBin) omAlloc(sizeof(omSpecBin_t)); |
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114 | s_bin->ref = 1; |
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115 | s_bin->next = NULL; |
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116 | s_bin->max_blocks = max_blocks; |
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117 | s_bin->bin = (omBin) omAlloc(sizeof(omBin_t)); |
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118 | s_bin->bin->current_page = om_ZeroPage; |
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119 | s_bin->bin->last_page = NULL; |
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120 | s_bin->bin->next = NULL; |
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121 | s_bin->bin->sizeW = sizeW; |
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122 | s_bin->bin->max_blocks = max_blocks; |
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123 | s_bin->bin->sticky = 0; |
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124 | #ifdef OM_HAVE_TRACK |
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125 | if (track) |
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126 | { |
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127 | om_SpecTrackBin = omInsertInSortedGList(om_SpecTrackBin, next, max_blocks, s_bin); |
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128 | } |
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129 | else |
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130 | #endif |
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131 | om_SpecBin = omInsertInSortedGList(om_SpecBin, next, max_blocks, s_bin); |
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132 | return s_bin->bin; |
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133 | } |
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134 | else |
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135 | { |
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136 | return om_new_specBin; |
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137 | } |
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138 | } |
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139 | |
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140 | void _omUnGetSpecBin(omBin *bin_p, int force) |
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141 | { |
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142 | omBin bin = *bin_p; |
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143 | if (! omIsStaticBin(bin)) |
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144 | { |
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145 | #ifdef OM_HAVE_TRACK |
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146 | int track_bin = 0; |
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147 | #endif |
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148 | omSpecBin s_bin; |
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149 | |
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150 | #ifdef OM_HAVE_TRACK |
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151 | s_bin = omFindInGList(om_SpecTrackBin, next, bin, bin); |
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152 | if (s_bin != NULL) |
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153 | track_bin = 1; |
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154 | else |
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155 | #endif |
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156 | s_bin = omFindInSortedGList(om_SpecBin, next, max_blocks, bin->max_blocks); |
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157 | |
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158 | omAssume(s_bin != NULL && bin == s_bin->bin); |
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159 | if (s_bin != NULL) |
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160 | { |
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161 | (s_bin->ref)--; |
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162 | if (s_bin->ref == 0 || force) |
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163 | { |
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164 | #ifdef OM_HAVE_TRACK |
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165 | if (! track_bin) |
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166 | #endif |
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167 | omFreeKeptAddrFromBin(s_bin->bin); |
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168 | if(s_bin->bin->last_page == NULL || force) |
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169 | { |
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170 | #ifdef OM_HAVE_TRACK |
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171 | if (track_bin) |
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172 | om_SpecTrackBin = omRemoveFromSortedGList(om_SpecTrackBin, next, max_blocks, s_bin); |
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173 | else |
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174 | #endif |
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175 | om_SpecBin = omRemoveFromSortedGList(om_SpecBin, next, max_blocks, s_bin); |
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176 | omFreeSize(s_bin->bin, sizeof(omBin_t)); |
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177 | omFreeSize(s_bin, sizeof(omSpecBin_t)); |
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178 | } |
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179 | } |
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180 | } |
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181 | } |
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182 | *bin_p = NULL; |
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183 | } |
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184 | |
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185 | |
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186 | /***************************************************************** |
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187 | * |
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188 | * Sticky business |
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189 | * |
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190 | *****************************************************************/ |
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191 | #define omGetStickyBin(bin, sticky_tag) \ |
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192 | omFindInGList(bin, next, sticky, sticky_tag) |
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193 | |
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194 | static omBin omCreateStickyBin(omBin bin, unsigned long sticky) |
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195 | { |
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196 | omBin s_bin = (omBin) omAlloc(sizeof(omBin_t)); |
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197 | s_bin->sticky = sticky; |
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198 | s_bin->current_page = om_ZeroPage; |
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199 | s_bin->last_page = NULL; |
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200 | s_bin->max_blocks = bin->max_blocks; |
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201 | s_bin->sizeW = bin->sizeW; |
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202 | s_bin->next = bin->next; |
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203 | bin->next = s_bin; |
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204 | return s_bin; |
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205 | } |
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206 | |
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207 | unsigned long omGetMaxStickyBinTag(omBin bin) |
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208 | { |
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209 | unsigned long sticky = 0; |
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210 | do |
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211 | { |
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212 | if (bin->sticky > sticky) sticky = bin->sticky; |
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213 | bin = bin->next; |
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214 | } |
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215 | while (bin != NULL); |
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216 | return sticky; |
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217 | } |
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218 | |
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219 | unsigned long omGetNewStickyBinTag(omBin bin) |
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220 | { |
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221 | unsigned long sticky = omGetMaxStickyBinTag(bin); |
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222 | if (sticky < BIT_SIZEOF_LONG - 2) |
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223 | { |
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224 | sticky++; |
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225 | omCreateStickyBin(bin, sticky); |
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226 | return sticky; |
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227 | } |
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228 | else |
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229 | { |
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230 | omAssume(sticky == BIT_SIZEOF_LONG - 1); |
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231 | } |
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232 | return sticky; |
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233 | } |
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234 | |
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235 | void omSetStickyBinTag(omBin bin, unsigned long sticky_tag) |
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236 | { |
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237 | omBin s_bin; |
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238 | s_bin = omGetStickyBin(bin, sticky_tag); |
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239 | |
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240 | if (s_bin != bin) |
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241 | { |
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242 | omBinPage tc, tl; |
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243 | unsigned long ts; |
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244 | |
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245 | if (s_bin == NULL) s_bin = omCreateStickyBin(bin, sticky_tag); |
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246 | ts = bin->sticky; |
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247 | tl = bin->last_page; |
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248 | tc = bin->current_page; |
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249 | bin->sticky = s_bin->sticky; |
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250 | bin->current_page = s_bin->current_page; |
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251 | bin->last_page = s_bin->last_page; |
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252 | s_bin->sticky = ts; |
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253 | s_bin->last_page = tl; |
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254 | s_bin->current_page = tc; |
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255 | } |
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256 | } |
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257 | |
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258 | void omUnSetStickyBinTag(omBin bin, unsigned long sticky) |
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259 | { |
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260 | omAssume(omGetStickyBin(bin, 0) != NULL); |
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261 | if (bin->sticky == sticky) |
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262 | omSetStickyBinTag(bin, 0); |
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263 | } |
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264 | |
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265 | static void omMergeStickyPages(omBin to_bin, omBin from_bin) |
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266 | { |
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267 | #ifdef HAVE_OM_ASSUME |
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268 | int length = omGListLength(to_bin->last_page, prev) + |
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269 | omGListLength(from_bin->last_page, prev); |
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270 | #endif |
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271 | |
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272 | omBinPage page = from_bin->last_page; |
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273 | omAssume(to_bin->sizeW == from_bin->sizeW); |
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274 | omAssume(to_bin != from_bin); |
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275 | |
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276 | if (page == NULL) return; |
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277 | do |
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278 | { |
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279 | omSetTopBinAndStickyOfPage(page, to_bin, to_bin->sticky); |
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280 | if (page->prev == NULL) break; |
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281 | page = page->prev; |
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282 | } |
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283 | while(1); |
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284 | |
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285 | if (to_bin->last_page == NULL) |
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286 | { |
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287 | omAssume(to_bin->current_page == om_ZeroPage); |
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288 | to_bin->last_page = from_bin->last_page; |
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289 | to_bin->current_page = from_bin->current_page; |
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290 | return; |
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291 | } |
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292 | |
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293 | omAssume(to_bin->current_page != om_ZeroPage && |
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294 | to_bin->current_page != NULL); |
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295 | |
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296 | if (to_bin->current_page->current != NULL) |
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297 | { |
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298 | if (to_bin->current_page->prev == NULL) |
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299 | { |
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300 | from_bin->last_page->next = to_bin->current_page; |
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301 | to_bin->current_page->prev = from_bin->last_page; |
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302 | to_bin->current_page = from_bin->current_page; |
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303 | return; |
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304 | } |
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305 | to_bin->current_page = to_bin->current_page->prev; |
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306 | } |
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307 | else |
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308 | { |
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309 | /* need to reset this here, since new current_page is going to be |
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310 | from_bin->current_page, and only for current_page may we have |
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311 | used_blocks != 0 && current == NULL */ |
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312 | to_bin->current_page->used_blocks = 0; |
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313 | } |
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314 | |
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315 | |
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316 | omAssume(to_bin->current_page != NULL && |
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317 | to_bin->current_page->current == NULL && |
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318 | to_bin->current_page->used_blocks == 0); |
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319 | |
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320 | from_bin->last_page->next = to_bin->current_page->next; |
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321 | if (to_bin->current_page->next != NULL) |
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322 | to_bin->current_page->next->prev = from_bin->last_page; |
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323 | else |
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324 | { |
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325 | omAssume(to_bin->current_page == to_bin->last_page); |
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326 | to_bin->last_page = from_bin->last_page; |
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327 | } |
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328 | to_bin->current_page->next = page; |
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329 | page->prev = to_bin->current_page; |
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330 | to_bin->current_page = from_bin->current_page; |
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331 | |
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332 | #ifdef HAVE_OM_ASSUME |
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333 | omAssume(omGListLength(to_bin->last_page, prev) == length); |
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334 | #endif |
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335 | } |
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336 | |
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337 | void omDeleteStickyBinTag(omBin bin, unsigned long sticky) |
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338 | { |
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339 | omBin no_sticky_bin = NULL; |
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340 | omBin sticky_bin = NULL; |
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341 | |
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342 | if (sticky == 0) |
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343 | { |
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344 | omAssume(0); |
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345 | return; |
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346 | } |
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347 | |
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348 | sticky_bin = omGetStickyBin(bin, sticky); |
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349 | if (sticky_bin != NULL) |
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350 | { |
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351 | no_sticky_bin = omGetStickyBin(bin, 0); |
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352 | omAssume(no_sticky_bin != NULL && sticky_bin != no_sticky_bin); |
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353 | |
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354 | omMergeStickyPages(no_sticky_bin, sticky_bin); |
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355 | |
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356 | if (bin == sticky_bin) |
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357 | { |
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358 | sticky_bin = no_sticky_bin; |
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359 | omSetStickyBinTag(bin, 0); |
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360 | } |
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361 | bin->next = omRemoveFromGList(bin->next, next, sticky_bin); |
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362 | omFreeSize(sticky_bin, sizeof(omBin_t)); |
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363 | } |
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364 | } |
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365 | |
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366 | |
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367 | /***************************************************************** |
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368 | * |
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369 | * Sticky bins |
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370 | * |
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371 | *****************************************************************/ |
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372 | omBin om_StickyBins = NULL; |
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373 | omBin omGetStickyBinOfBin(omBin bin) |
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374 | { |
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375 | omBin new_bin = omAlloc(sizeof(omBin_t)); |
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376 | omAssume(omIsKnownTopBin(bin, 1) && ! omIsStickyBin(bin)); |
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377 | new_bin->sticky = SIZEOF_VOIDP; |
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378 | new_bin->max_blocks = bin->max_blocks; |
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379 | new_bin->sizeW = bin->sizeW; |
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380 | new_bin->next = om_StickyBins; |
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381 | om_StickyBins = new_bin; |
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382 | new_bin->last_page = NULL; |
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383 | new_bin->current_page = om_ZeroPage; |
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384 | #if 0 |
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385 | if (omIsSpecBin(bin)) |
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386 | { |
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387 | omSpecBin s_bin = omFindInSortedGList(om_SpecBin, next, max_blocks, bin->max_blocks); |
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388 | omAssume(s_bin != NULL); |
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389 | if (s_bin != NULL) |
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390 | s_bin->ref++; |
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391 | } |
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392 | #endif |
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393 | return new_bin; |
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394 | } |
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395 | |
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396 | void omMergeStickyBinIntoBin(omBin sticky_bin, omBin into_bin) |
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397 | { |
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398 | if (! omIsOnGList(om_StickyBins, next, sticky_bin) || |
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399 | !sticky_bin->sticky || |
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400 | sticky_bin->max_blocks != into_bin->max_blocks || |
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401 | sticky_bin == into_bin || |
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402 | !omIsKnownTopBin(into_bin, 1) || |
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403 | omIsStickyBin(into_bin)) |
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404 | { |
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405 | #ifndef OM_NDEBUG |
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406 | omReportError(omError_StickyBin, omError_NoError, OM_FLR, |
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407 | (! omIsOnGList(om_StickyBins, next, sticky_bin) ? "unknown sticky_bin" : |
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408 | (!sticky_bin->sticky ? "sticky_bin is not sticky" : |
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409 | (sticky_bin->max_blocks != into_bin->max_blocks ? "sticky_bin and into_bin have different block sizes" : |
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410 | (sticky_bin == into_bin ? "sticky_bin == into_bin" : |
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411 | (!omIsKnownTopBin(into_bin, 1) ? "unknown into_bin" : |
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412 | (omIsStickyBin(into_bin) ? "into_bin is sticky" : |
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413 | "unknown sticky_bin error"))))))); |
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414 | #endif |
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415 | return; |
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416 | } |
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417 | omFreeKeptAddrFromBin(sticky_bin); |
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418 | om_StickyBins = omRemoveFromGList(om_StickyBins, next, sticky_bin); |
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419 | omMergeStickyPages(into_bin, sticky_bin); |
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420 | |
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421 | #if 0 |
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422 | if (! omIsStaticBin(into_bin)) |
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423 | { |
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424 | omBin _ibin = into_bin; |
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425 | omUnGetSpecBin(&_ibin); |
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426 | } |
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427 | #endif |
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428 | omFreeSize(sticky_bin, sizeof(omBin_t)); |
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429 | #if defined(OM_INTERNAL_DEBUG) && !defined(OM_NDEBUG) |
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430 | omTestBin(into_bin, 2); |
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431 | #endif |
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432 | } |
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433 | |
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434 | /***************************************************************** |
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435 | * |
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436 | * AllBin business |
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437 | * |
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438 | *****************************************************************/ |
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439 | #ifndef OM_NDEBUG |
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440 | int omIsKnownTopBin(omBin bin, int normal_bin) |
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441 | { |
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442 | omBin to_check; |
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443 | omSpecBin s_bin; |
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444 | int i; |
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445 | |
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446 | omAssume(normal_bin == 1 || normal_bin == 0); |
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447 | |
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448 | #ifdef OM_HAVE_TRACK |
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449 | if (! normal_bin) |
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450 | { |
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451 | to_check = om_StaticTrackBin; |
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452 | s_bin = om_SpecTrackBin; |
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453 | } |
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454 | else |
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455 | #endif |
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456 | { |
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457 | omAssume(normal_bin); |
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458 | to_check = om_StaticBin; |
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459 | s_bin = om_SpecBin; |
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460 | } |
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461 | |
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462 | for (i=0; i<= OM_MAX_BIN_INDEX; i++) |
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463 | { |
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464 | if (bin == &(to_check[i])) |
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465 | return 1; |
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466 | } |
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467 | |
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468 | while (s_bin != NULL) |
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469 | { |
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470 | if (bin == s_bin->bin) return 1; |
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471 | s_bin = s_bin->next; |
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472 | } |
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473 | to_check = om_StickyBins; |
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474 | |
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475 | while (to_check != NULL) |
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476 | { |
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477 | if (bin == to_check) return 1; |
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478 | to_check = to_check->next; |
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479 | } |
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480 | return 0; |
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481 | } |
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482 | #endif |
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483 | |
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484 | unsigned long omGetNewStickyAllBinTag() |
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485 | { |
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486 | unsigned long sticky = 0, new_sticky; |
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487 | int i; |
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488 | omSpecBin s_bin; |
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489 | // first, find new sticky tag |
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490 | for (i=0; i<=OM_MAX_BIN_INDEX; i++) |
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491 | { |
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492 | new_sticky = omGetMaxStickyBinTag(&(om_StaticBin[i])); |
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493 | if (new_sticky > sticky) sticky = new_sticky; |
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494 | } |
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495 | s_bin = om_SpecBin; |
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496 | while (s_bin != NULL) |
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497 | { |
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498 | new_sticky = omGetMaxStickyBinTag(s_bin->bin); |
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499 | if (new_sticky > sticky) sticky = new_sticky; |
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500 | s_bin = s_bin->next; |
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501 | } |
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502 | if (sticky < BIT_SIZEOF_LONG - 2) |
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503 | { |
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504 | sticky++; |
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505 | for (i=0; i<=OM_MAX_BIN_INDEX; i++) |
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506 | { |
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507 | omCreateStickyBin(&(om_StaticBin[i]), sticky); |
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508 | } |
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509 | s_bin = om_SpecBin; |
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510 | while (s_bin != NULL) |
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511 | { |
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512 | omCreateStickyBin(s_bin->bin, sticky); |
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513 | s_bin = s_bin->next; |
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514 | } |
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515 | return sticky; |
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516 | } |
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517 | else |
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518 | { |
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519 | omBin bin; |
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520 | omAssume(sticky == BIT_SIZEOF_LONG - 1); |
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521 | for (i=0; i<=OM_MAX_BIN_INDEX; i++) |
---|
522 | { |
---|
523 | bin = &om_StaticBin[i]; |
---|
524 | if (omGetStickyBin(bin, BIT_SIZEOF_LONG -1) == NULL) |
---|
525 | omCreateStickyBin(bin, BIT_SIZEOF_LONG -1); |
---|
526 | } |
---|
527 | s_bin = om_SpecBin; |
---|
528 | while (s_bin != NULL) |
---|
529 | { |
---|
530 | if (omGetStickyBin(s_bin->bin, BIT_SIZEOF_LONG -1) == NULL) |
---|
531 | omCreateStickyBin(s_bin->bin, BIT_SIZEOF_LONG -1); |
---|
532 | s_bin = s_bin->next; |
---|
533 | } |
---|
534 | return BIT_SIZEOF_LONG - 1; |
---|
535 | } |
---|
536 | } |
---|
537 | |
---|
538 | void omSetStickyAllBinTag(unsigned long sticky) |
---|
539 | { |
---|
540 | omSpecBin s_bin = om_SpecBin; |
---|
541 | int i; |
---|
542 | for (i=0; i<=OM_MAX_BIN_INDEX; i++) |
---|
543 | { |
---|
544 | omSetStickyBinTag(&(om_StaticBin[i]), sticky); |
---|
545 | } |
---|
546 | while (s_bin != NULL) |
---|
547 | { |
---|
548 | omSetStickyBinTag(s_bin->bin, sticky); |
---|
549 | s_bin = s_bin->next; |
---|
550 | } |
---|
551 | } |
---|
552 | |
---|
553 | void omUnSetStickyAllBinTag(unsigned long sticky) |
---|
554 | { |
---|
555 | omSpecBin s_bin = om_SpecBin; |
---|
556 | int i; |
---|
557 | for (i=0; i<=OM_MAX_BIN_INDEX; i++) |
---|
558 | { |
---|
559 | omUnSetStickyBinTag(&(om_StaticBin[i]), sticky); |
---|
560 | } |
---|
561 | while (s_bin != NULL) |
---|
562 | { |
---|
563 | omUnSetStickyBinTag(s_bin->bin, sticky); |
---|
564 | s_bin = s_bin->next; |
---|
565 | } |
---|
566 | } |
---|
567 | |
---|
568 | void omDeleteStickyAllBinTag(unsigned long sticky) |
---|
569 | { |
---|
570 | omSpecBin s_bin = om_SpecBin; |
---|
571 | int i; |
---|
572 | for (i=0; i<=OM_MAX_BIN_INDEX; i++) |
---|
573 | { |
---|
574 | omDeleteStickyBinTag(&(om_StaticBin[i]), sticky); |
---|
575 | } |
---|
576 | while (s_bin != NULL) |
---|
577 | { |
---|
578 | omDeleteStickyBinTag(s_bin->bin, sticky); |
---|
579 | s_bin = s_bin->next; |
---|
580 | } |
---|
581 | } |
---|
582 | |
---|
583 | #if 0 |
---|
584 | void omPrintMissing(omBin bin) |
---|
585 | { |
---|
586 | omBinPage page = bin->last_page; |
---|
587 | |
---|
588 | while (page != NULL) |
---|
589 | { |
---|
590 | void* addr = (void*) page + SIZEOF_OM_BIN_PAGE_HEADER; |
---|
591 | int i; |
---|
592 | |
---|
593 | for (i=0; i<bin->max_blocks; i++) |
---|
594 | { |
---|
595 | if (! omIsOnList(page->current, addr)) |
---|
596 | printf("%d:%p\n", i, addr); |
---|
597 | addr += bin->sizeW*SIZEOF_LONG; |
---|
598 | } |
---|
599 | page = page->prev; |
---|
600 | } |
---|
601 | } |
---|
602 | #endif |
---|
603 | |
---|
604 | /***************************************************************** |
---|
605 | * |
---|
606 | * Statistics |
---|
607 | * |
---|
608 | *****************************************************************/ |
---|
609 | static void omGetBinStat(omBin bin, int *pages_p, int *used_blocks_p, |
---|
610 | int *free_blocks_p) |
---|
611 | { |
---|
612 | int pages = 0, used_blocks = 0, free_blocks = 0; |
---|
613 | int where = 1; |
---|
614 | |
---|
615 | omBinPage page = bin->last_page; |
---|
616 | while (page != NULL) |
---|
617 | { |
---|
618 | pages++; if (where == 1) |
---|
619 | { |
---|
620 | used_blocks += omGetUsedBlocksOfPage(page) + 1; |
---|
621 | if (bin->max_blocks > 0) |
---|
622 | free_blocks += bin->max_blocks - omGetUsedBlocksOfPage(page) -1; |
---|
623 | } |
---|
624 | else |
---|
625 | { |
---|
626 | if (bin->max_blocks > 1) |
---|
627 | used_blocks += bin->max_blocks; |
---|
628 | else |
---|
629 | used_blocks++; |
---|
630 | } |
---|
631 | if (page == bin->current_page) where = -1; |
---|
632 | page = page->prev; |
---|
633 | } |
---|
634 | *pages_p = pages; |
---|
635 | *used_blocks_p = used_blocks; |
---|
636 | *free_blocks_p = free_blocks; |
---|
637 | } |
---|
638 | |
---|
639 | static void omGetTotalBinStat(omBin bin, int *pages_p, int *used_blocks_p, |
---|
640 | int *free_blocks_p) |
---|
641 | { |
---|
642 | int t_pages = 0, t_used_blocks = 0, t_free_blocks = 0; |
---|
643 | int pages = 0, used_blocks = 0, free_blocks = 0; |
---|
644 | |
---|
645 | while (bin != NULL) |
---|
646 | { |
---|
647 | omGetBinStat(bin, &pages, &used_blocks, &free_blocks); |
---|
648 | t_pages += pages; |
---|
649 | t_used_blocks += used_blocks; |
---|
650 | t_free_blocks += free_blocks; |
---|
651 | if (!omIsStickyBin(bin)) |
---|
652 | bin = bin->next; |
---|
653 | else |
---|
654 | bin = NULL; |
---|
655 | } |
---|
656 | *pages_p = t_pages; |
---|
657 | *used_blocks_p = t_used_blocks; |
---|
658 | *free_blocks_p = t_free_blocks; |
---|
659 | } |
---|
660 | |
---|
661 | static void omPrintBinStat(FILE * fd, omBin bin, int track, int* pages, int* used_blocks, int* free_blocks) |
---|
662 | { |
---|
663 | if (track) |
---|
664 | { |
---|
665 | fprintf(fd, "T \t \t"); |
---|
666 | } |
---|
667 | else |
---|
668 | { |
---|
669 | fprintf(fd, "%s%ld\t%ld\t", (omIsStaticNormalBin(bin) ? " " : |
---|
670 | (omIsStickyBin(bin) ? "S" : |
---|
671 | (omIsTrackBin(bin) ? "T" : "*"))), |
---|
672 | (long)bin->sizeW, bin->max_blocks); |
---|
673 | } |
---|
674 | omGetTotalBinStat(bin, pages, used_blocks, free_blocks); |
---|
675 | fprintf(fd, "%d\t%d\t%d\n", *pages, *free_blocks, *used_blocks); |
---|
676 | if (bin->next != NULL && !omIsStickyBin(bin)) |
---|
677 | { |
---|
678 | int s_pages, s_free_blocks, s_used_blocks; |
---|
679 | while (bin != NULL) |
---|
680 | { |
---|
681 | omGetBinStat(bin, &s_pages, &s_used_blocks, &s_free_blocks); |
---|
682 | fprintf(fd, " \t \t%d\t%d\t%d\t%d\n", s_pages, s_free_blocks, s_used_blocks, |
---|
683 | (int) bin->sticky); |
---|
684 | bin = bin->next; |
---|
685 | *pages += s_pages; |
---|
686 | *used_blocks += s_used_blocks; |
---|
687 | *free_blocks += s_free_blocks; |
---|
688 | } |
---|
689 | } |
---|
690 | } |
---|
691 | |
---|
692 | void omPrintBinStats(FILE* fd) |
---|
693 | { |
---|
694 | int i = OM_MAX_BIN_INDEX, pages=0, used_blocks=0, free_blocks=0; |
---|
695 | int pages_p, used_blocks_p, free_blocks_p; |
---|
696 | omSpecBin s_bin = om_SpecBin; |
---|
697 | omBin sticky; |
---|
698 | |
---|
699 | fprintf(fd, " SizeW\tBlocks\tUPages\tFBlocks\tUBlocks\tSticky\n"); |
---|
700 | fflush(fd); |
---|
701 | while (s_bin != NULL || i >= 0) |
---|
702 | { |
---|
703 | if (s_bin == NULL || (i >= 0 && (unsigned long) om_StaticBin[i].max_blocks < (unsigned long) s_bin->bin->max_blocks)) |
---|
704 | { |
---|
705 | omPrintBinStat(fd, &om_StaticBin[i], 0, &pages_p, &used_blocks_p, &free_blocks_p); |
---|
706 | pages += pages_p; |
---|
707 | used_blocks += used_blocks_p; |
---|
708 | free_blocks += free_blocks_p; |
---|
709 | #ifdef OM_HAVE_TRACK |
---|
710 | if (om_StaticTrackBin[i].current_page != om_ZeroPage) |
---|
711 | { |
---|
712 | omPrintBinStat(fd, &om_StaticTrackBin[i], 1, &pages_p, &used_blocks_p, &free_blocks_p); |
---|
713 | pages += pages_p; |
---|
714 | used_blocks += used_blocks_p; |
---|
715 | free_blocks += free_blocks_p; |
---|
716 | } |
---|
717 | #endif |
---|
718 | i--; |
---|
719 | } |
---|
720 | else |
---|
721 | { |
---|
722 | omPrintBinStat(fd, s_bin->bin,0, &pages_p, &used_blocks_p, &free_blocks_p); |
---|
723 | pages += pages_p; |
---|
724 | used_blocks += used_blocks_p; |
---|
725 | free_blocks += free_blocks_p; |
---|
726 | s_bin = s_bin->next; |
---|
727 | } |
---|
728 | } |
---|
729 | #ifdef OM_HAVE_TRACK |
---|
730 | s_bin = om_SpecTrackBin; |
---|
731 | while (s_bin != NULL) |
---|
732 | { |
---|
733 | omPrintBinStat(fd, s_bin->bin, 0, &pages_p, &used_blocks_p, &free_blocks_p); |
---|
734 | s_bin = s_bin->next; |
---|
735 | pages += pages_p; |
---|
736 | used_blocks += used_blocks_p; |
---|
737 | free_blocks += free_blocks_p; |
---|
738 | } |
---|
739 | #endif |
---|
740 | sticky = om_StickyBins; |
---|
741 | while (sticky != NULL) |
---|
742 | { |
---|
743 | omPrintBinStat(fd, sticky, 0, &pages_p, &used_blocks_p, &free_blocks_p); |
---|
744 | sticky = sticky->next; |
---|
745 | pages += pages_p; |
---|
746 | used_blocks += used_blocks_p; |
---|
747 | free_blocks += free_blocks_p; |
---|
748 | } |
---|
749 | fprintf(fd, "----------------------------------------\n"); |
---|
750 | fprintf(fd, " \t \t%d\t%d\t%d\n", pages, free_blocks, used_blocks); |
---|
751 | } |
---|
752 | |
---|
753 | static long omGetUsedBytesOfBin(omBin bin) |
---|
754 | { |
---|
755 | int pages = 0, used_blocks = 0, free_blocks = 0; |
---|
756 | omGetTotalBinStat(bin, &pages, &used_blocks, &free_blocks); |
---|
757 | return ((long)used_blocks)*((long)bin->sizeW)*SIZEOF_LONG; |
---|
758 | } |
---|
759 | |
---|
760 | long omGetUsedBinBytes() |
---|
761 | { |
---|
762 | int i = OM_MAX_BIN_INDEX; |
---|
763 | omSpecBin s_bin = om_SpecBin; |
---|
764 | long used = 0; |
---|
765 | omBin sticky; |
---|
766 | |
---|
767 | for (; i>=0; i--) |
---|
768 | { |
---|
769 | used += omGetUsedBytesOfBin(&om_StaticBin[i]); |
---|
770 | } |
---|
771 | while (s_bin != NULL) |
---|
772 | { |
---|
773 | used += omGetUsedBytesOfBin(s_bin->bin); |
---|
774 | s_bin = s_bin->next; |
---|
775 | } |
---|
776 | #ifdef OM_HAVE_TRACK |
---|
777 | for (i=OM_MAX_BIN_INDEX; i>=0; i--) |
---|
778 | { |
---|
779 | used += omGetUsedBytesOfBin(&om_StaticTrackBin[i]); |
---|
780 | } |
---|
781 | s_bin = om_SpecTrackBin; |
---|
782 | while (s_bin != NULL) |
---|
783 | { |
---|
784 | used += omGetUsedBytesOfBin(s_bin->bin); |
---|
785 | s_bin = s_bin->next; |
---|
786 | } |
---|
787 | #endif |
---|
788 | |
---|
789 | sticky = om_StickyBins; |
---|
790 | while (sticky != NULL) |
---|
791 | { |
---|
792 | used += omGetUsedBytesOfBin(sticky); |
---|
793 | sticky = sticky->next; |
---|
794 | } |
---|
795 | return used; |
---|
796 | } |
---|