1 | /* |
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2 | * Copyright (c) 2012-2014 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #if HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <rtems/libcsupport.h> |
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20 | |
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21 | #include <string.h> |
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22 | |
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23 | #include <rtems/libio_.h> |
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24 | #include <rtems/malloc.h> |
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25 | #include <rtems/score/rbtreeimpl.h> |
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26 | #include <rtems/score/protectedheap.h> |
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27 | #include <rtems/score/threadimpl.h> |
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28 | #include <rtems/score/wkspace.h> |
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29 | |
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30 | #include <rtems/posix/keyimpl.h> |
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31 | |
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32 | #include <rtems/rtems/barrierimpl.h> |
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33 | #include <rtems/extensionimpl.h> |
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34 | #include <rtems/rtems/dpmemimpl.h> |
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35 | #include <rtems/rtems/messageimpl.h> |
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36 | #include <rtems/rtems/partimpl.h> |
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37 | #include <rtems/rtems/ratemonimpl.h> |
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38 | #include <rtems/rtems/regionimpl.h> |
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39 | #include <rtems/rtems/semimpl.h> |
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40 | #include <rtems/rtems/tasksimpl.h> |
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41 | #include <rtems/rtems/timerimpl.h> |
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42 | |
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43 | #ifdef RTEMS_POSIX_API |
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44 | #include <rtems/posix/barrierimpl.h> |
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45 | #include <rtems/posix/condimpl.h> |
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46 | #include <rtems/posix/mqueueimpl.h> |
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47 | #include <rtems/posix/muteximpl.h> |
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48 | #include <rtems/posix/psignal.h> |
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49 | #include <rtems/posix/pthreadimpl.h> |
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50 | #include <rtems/posix/rwlockimpl.h> |
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51 | #include <rtems/posix/semaphoreimpl.h> |
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52 | #include <rtems/posix/timerimpl.h> |
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53 | #endif |
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54 | |
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55 | static const struct { |
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56 | Objects_APIs api; |
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57 | uint16_t cls; |
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58 | } objects_info_table[] = { |
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59 | { OBJECTS_POSIX_API, OBJECTS_POSIX_KEYS }, |
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60 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_BARRIERS }, |
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61 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_EXTENSIONS }, |
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62 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_MESSAGE_QUEUES }, |
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63 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_PARTITIONS }, |
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64 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_PERIODS }, |
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65 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_PORTS }, |
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66 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_REGIONS }, |
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67 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_SEMAPHORES }, |
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68 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_TASKS }, |
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69 | { OBJECTS_CLASSIC_API, OBJECTS_RTEMS_TIMERS } |
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70 | #ifdef RTEMS_POSIX_API |
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71 | , |
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72 | { OBJECTS_POSIX_API, OBJECTS_POSIX_CONDITION_VARIABLES }, |
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73 | { OBJECTS_POSIX_API, OBJECTS_POSIX_MESSAGE_QUEUES }, |
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74 | { OBJECTS_POSIX_API, OBJECTS_POSIX_MUTEXES }, |
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75 | { OBJECTS_POSIX_API, OBJECTS_POSIX_RWLOCKS }, |
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76 | { OBJECTS_POSIX_API, OBJECTS_POSIX_SEMAPHORES }, |
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77 | { OBJECTS_POSIX_API, OBJECTS_POSIX_THREADS }, |
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78 | { OBJECTS_POSIX_API, OBJECTS_POSIX_TIMERS } |
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79 | #endif |
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80 | }; |
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81 | |
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82 | static int open_files(void) |
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83 | { |
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84 | int free_count = 0; |
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85 | rtems_libio_t *iop; |
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86 | |
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87 | rtems_libio_lock(); |
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88 | |
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89 | iop = rtems_libio_iop_free_head; |
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90 | while (iop != NULL) { |
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91 | ++free_count; |
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92 | |
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93 | iop = iop->data1; |
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94 | } |
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95 | |
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96 | rtems_libio_unlock(); |
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97 | |
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98 | return (int) rtems_libio_number_iops - free_count; |
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99 | } |
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100 | |
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101 | static void get_heap_info(Heap_Control *heap, Heap_Information_block *info) |
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102 | { |
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103 | _Heap_Get_information(heap, info); |
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104 | memset(&info->Stats, 0, sizeof(info->Stats)); |
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105 | } |
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106 | |
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107 | static POSIX_Keys_Control *get_next_key(Objects_Id *id) |
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108 | { |
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109 | return (POSIX_Keys_Control *) |
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110 | _Objects_Get_next(*id, &_POSIX_Keys_Information, id); |
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111 | } |
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112 | |
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113 | static uint32_t get_active_posix_key_value_pairs(void) |
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114 | { |
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115 | uint32_t count = 0; |
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116 | Objects_Id id = OBJECTS_ID_INITIAL_INDEX; |
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117 | POSIX_Keys_Control *the_key; |
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118 | |
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119 | while ((the_key = get_next_key(&id)) != NULL ) { |
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120 | count += _Chain_Node_count_unprotected(&the_key->Key_value_pairs); |
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121 | _Objects_Allocator_unlock(); |
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122 | } |
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123 | |
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124 | return count; |
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125 | } |
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126 | |
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127 | void rtems_resource_snapshot_take(rtems_resource_snapshot *snapshot) |
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128 | { |
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129 | uint32_t *active; |
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130 | size_t i; |
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131 | |
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132 | memset(snapshot, 0, sizeof(*snapshot)); |
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133 | |
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134 | _RTEMS_Lock_allocator(); |
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135 | |
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136 | _Thread_Kill_zombies(); |
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137 | |
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138 | get_heap_info(RTEMS_Malloc_Heap, &snapshot->heap_info); |
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139 | get_heap_info(&_Workspace_Area, &snapshot->workspace_info); |
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140 | |
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141 | active = &snapshot->active_posix_keys; |
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142 | |
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143 | for (i = 0; i < RTEMS_ARRAY_SIZE(objects_info_table); ++i) { |
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144 | const Objects_Information *information; |
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145 | |
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146 | information = _Objects_Get_information( |
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147 | objects_info_table[i].api, |
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148 | objects_info_table[i].cls |
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149 | ); |
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150 | |
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151 | if (information != NULL) { |
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152 | active[i] = _Objects_Active_count(information); |
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153 | } |
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154 | } |
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155 | |
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156 | _RTEMS_Unlock_allocator(); |
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157 | |
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158 | snapshot->active_posix_key_value_pairs = get_active_posix_key_value_pairs(); |
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159 | snapshot->open_files = open_files(); |
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160 | } |
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161 | |
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162 | bool rtems_resource_snapshot_equal( |
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163 | const rtems_resource_snapshot *a, |
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164 | const rtems_resource_snapshot *b |
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165 | ) |
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166 | { |
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167 | return memcmp(a, b, sizeof(*a)) == 0; |
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168 | } |
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169 | |
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170 | bool rtems_resource_snapshot_check(const rtems_resource_snapshot *snapshot) |
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171 | { |
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172 | rtems_resource_snapshot now; |
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173 | |
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174 | rtems_resource_snapshot_take(&now); |
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175 | |
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176 | return rtems_resource_snapshot_equal(&now, snapshot); |
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177 | } |
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