1 | /******************************************************************* |
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2 | * File: omStats.c |
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3 | * Purpose: definitions of stats related stuff |
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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 | #include <unistd.h> |
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8 | #include "omConfig.h" |
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9 | |
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10 | #ifdef HAVE_OMALLOC |
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11 | #include "omDefaultConfig.h" |
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12 | #include "omMalloc.h" |
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13 | #include "omalloc.h" |
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14 | |
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15 | |
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16 | omInfo_t om_Info = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
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17 | |
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18 | unsigned long om_SbrkInit = 0; |
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19 | |
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20 | void omInitInfo() |
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21 | { |
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22 | #ifdef HAVE_SBRK |
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23 | om_SbrkInit = (unsigned long) sbrk(0); |
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24 | #endif |
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25 | } |
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26 | |
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27 | void omUpdateInfo() |
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28 | { |
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29 | #ifdef OM_MALLOC_UPDATE_INFO |
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30 | OM_MALLOC_UPDATE_INFO; |
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31 | #endif |
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32 | |
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33 | /* this can happen, since sizes are added as requested, and |
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34 | subtracted as the real size of the memory */ |
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35 | if (om_Info.CurrentBytesFromMalloc < 0) |
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36 | om_Info.CurrentBytesFromMalloc = 0; |
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37 | |
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38 | om_Info.UsedBytesFromValloc = omGetUsedBinBytes(); |
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39 | om_Info.AvailBytesFromValloc = om_Info.CurrentBytesFromValloc - om_Info.UsedBytesFromValloc; |
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40 | |
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41 | #ifdef OM_MALLOC_USED_BYTES |
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42 | om_Info.UsedBytesMalloc = OM_MALLOC_USED_BYTES; |
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43 | #else |
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44 | om_Info.UsedBytesMalloc = om_Info.CurrentBytesFromMalloc |
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45 | -om_Info.InternalUsedBytesMalloc; |
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46 | #endif |
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47 | #ifdef OM_MALLOC_AVAIL_BYTES |
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48 | om_Info.AvailBytesMalloc = OM_MALLOC_AVAIL_BYTES; |
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49 | #endif |
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50 | |
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51 | om_Info.UsedBytes = om_Info.UsedBytesMalloc + om_Info.UsedBytesFromValloc; |
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52 | om_Info.AvailBytes = om_Info.AvailBytesMalloc + om_Info.AvailBytesFromValloc; |
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53 | |
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54 | #ifdef OM_HAVE_VALLOC_MMAP |
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55 | om_Info.CurrentBytesMmap = om_Info.CurrentBytesFromValloc; |
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56 | om_Info.MaxBytesMmap = om_Info.MaxBytesFromValloc; |
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57 | #endif |
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58 | #ifdef OM_MALLOC_CURRENT_BYTES_MMAP |
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59 | om_Info.CurrentBytesMmap += OM_MALLOC_CURRENT_BYTES_MMAP; |
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60 | #endif |
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61 | #ifdef OM_MALLOC_MAX_BYTES_MMAP |
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62 | om_Info.MaxBytesMmap += OM_MALLOC_MAX_BYTES_MMAP; |
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63 | #endif |
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64 | |
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65 | #ifndef OM_MALLOC_CURRENT_BYTES_SBRK |
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66 | #ifdef HAVE_SBRK |
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67 | if (om_SbrkInit) |
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68 | { |
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69 | om_Info.CurrentBytesSbrk = (unsigned long) sbrk(0) - om_SbrkInit; |
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70 | if (om_Info.CurrentBytesSbrk > om_Info.MaxBytesSbrk) |
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71 | om_Info.MaxBytesSbrk = om_Info.CurrentBytesSbrk; |
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72 | } |
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73 | else |
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74 | { |
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75 | om_SbrkInit = (unsigned long) sbrk(0); |
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76 | } |
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77 | #endif |
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78 | #else |
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79 | om_Info.CurrentBytesSbrk = OM_MALLOC_CURRENT_BYTES_SBRK; |
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80 | #ifdef OM_MALLOC_MAX_BYTES_SBRK |
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81 | om_Info.MaxBytesSbrk = OM_MALLOC_MAX_BYTES_SBRK; |
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82 | #else |
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83 | if (om_Info.CurrentBytesSbrk > om_Info.MaxBytesSbrk) |
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84 | om_Info.MaxBytesSbrk = om_Info.CurrentBytesSbrk; |
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85 | #endif |
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86 | #endif |
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87 | |
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88 | #ifdef OM_MALLOC_CURRENT_BYTES_SYSTEM |
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89 | om_Info.CurrentBytesSystem = OM_MALLOC_CURRENT_BYTES_SYSTEM; |
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90 | #else |
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91 | om_Info.CurrentBytesSystem = |
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92 | (om_Info.CurrentBytesSbrk > om_Info.UsedBytesMalloc ? |
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93 | om_Info.CurrentBytesSbrk : om_Info.UsedBytesMalloc); |
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94 | #endif |
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95 | #ifdef OM_HAVE_VALLOC_MMAP |
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96 | om_Info.CurrentBytesSystem += om_Info.CurrentBytesFromValloc; |
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97 | #endif |
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98 | |
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99 | #if ! (defined(OM_HAVE_VALLOC_MMAP) && defined(OM_MALLOC_MAX_BYTES_SYSTEM)) |
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100 | #ifdef OM_MALLOC_MAX_BYTES_SYSTEM |
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101 | om_Info.MaxBytesSystem = OM_MALLOC_MAX_BYTES_SYSTEM; |
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102 | #else |
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103 | om_Info.MaxBytesSystem = |
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104 | (om_Info.MaxBytesSbrk + om_Info.MaxBytesMmap > |
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105 | om_Info.MaxBytesFromMalloc + om_Info.MaxBytesFromValloc ? |
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106 | om_Info.MaxBytesSbrk + om_Info.MaxBytesMmap : |
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107 | om_Info.MaxBytesFromMalloc + om_Info.MaxBytesFromValloc); |
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108 | #endif |
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109 | #endif |
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110 | } |
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111 | |
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112 | omInfo_t omGetInfo() |
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113 | { |
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114 | omUpdateInfo(); |
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115 | return om_Info; |
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116 | } |
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117 | |
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118 | void omPrintStats(FILE* fd) |
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119 | { |
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120 | omUpdateInfo(); |
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121 | fprintf(fd, "System %ldk:%ldk Appl %ldk/%ldk Malloc %ldk/%ldk Valloc %ldk/%ldk Pages %ld/%ld Regions %ld:%ld Internal: %ld\n", |
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122 | om_Info.CurrentBytesSystem/1024, om_Info.MaxBytesSystem/1024, |
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123 | om_Info.UsedBytes/1024, om_Info.AvailBytes/1024, |
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124 | om_Info.UsedBytesMalloc/1024, om_Info.AvailBytesMalloc/1024, |
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125 | om_Info.CurrentBytesFromValloc/1024, om_Info.AvailBytesFromValloc/1024, |
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126 | om_Info.UsedPages, om_Info.AvailPages, |
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127 | om_Info.CurrentRegionsAlloc, om_Info.MaxRegionsAlloc, |
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128 | om_Info.InternalUsedBytesMalloc); |
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129 | } |
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130 | |
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131 | |
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132 | void omPrintInfo(FILE* fd) |
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133 | { |
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134 | omUpdateInfo(); |
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135 | fputs(" Current: Max:\n",fd); |
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136 | fprintf(fd, "BytesSystem: %8ldk %8ldk\n", om_Info.CurrentBytesSystem/1024, om_Info.MaxBytesSystem/1024); |
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137 | fprintf(fd, "BytesSbrk: %8ldk %8ldk\n", om_Info.CurrentBytesSbrk/1024, om_Info.MaxBytesSbrk/1024); |
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138 | fprintf(fd, "BytesMmap: %8ldk %8ldk\n", om_Info.CurrentBytesMmap/1024, om_Info.MaxBytesMmap/1024); |
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139 | fprintf(fd, "BytesFromMalloc: %8ldk %8ldk\n", om_Info.CurrentBytesFromMalloc/1024, om_Info.MaxBytesFromMalloc/1024); |
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140 | fprintf(fd, "BytesFromValloc: %8ldk %8ldk\n", om_Info.CurrentBytesFromValloc/1024, om_Info.MaxBytesFromValloc/1024); |
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141 | fprintf(fd, "PagesAlloc: %8ld %8ld \n", om_Info.UsedPages, om_Info.MaxPages); |
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142 | fprintf(fd, "RegionsAlloc: %8ld %8ld \n", om_Info.CurrentRegionsAlloc, om_Info.MaxRegionsAlloc); |
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143 | fputs(" Used: Avail:\n",fd); |
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144 | fprintf(fd, "BytesAppl: %8ldk %8ldk\n", om_Info.UsedBytes/1024, om_Info.AvailBytes/1024); |
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145 | fprintf(fd, "BytesMalloc: %8ldk %8ldk\n", om_Info.UsedBytesMalloc/1024, om_Info.AvailBytesMalloc/1024); |
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146 | fprintf(fd, "BytesValloc: %8ldk %8ldk\n", om_Info.UsedBytesFromValloc/1024, om_Info.AvailBytesFromValloc/1024); |
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147 | fprintf(fd, "Pages: %8ld %8ld\n", om_Info.UsedPages, om_Info.AvailPages); |
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148 | } |
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149 | #else |
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150 | #include "omalloc/xalloc.h" |
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151 | int om_sing_opt_show_mem; /* dummy */ |
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152 | struct omInfo_s om_Info; /* dummy */ |
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153 | struct omOpts_s om_Opts; /* dummy */ |
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154 | #endif |
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