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/spinlockimpl.h> |
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53 | #include <rtems/posix/timerimpl.h> |
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54 | #endif |
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55 | |
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56 | static const Objects_Information *const objects_info_table[] = { |
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57 | &_POSIX_Keys_Information, |
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58 | &_Barrier_Information, |
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59 | &_Extension_Information, |
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60 | &_Message_queue_Information, |
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61 | &_Partition_Information, |
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62 | &_Rate_monotonic_Information, |
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63 | &_Dual_ported_memory_Information, |
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64 | &_Region_Information, |
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65 | &_Semaphore_Information, |
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66 | &_RTEMS_tasks_Information, |
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67 | &_Timer_Information |
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68 | #ifdef RTEMS_POSIX_API |
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69 | , |
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70 | &_POSIX_Barrier_Information, |
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71 | &_POSIX_Condition_variables_Information, |
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72 | &_POSIX_Message_queue_Information, |
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73 | &_POSIX_Message_queue_Information_fds, |
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74 | &_POSIX_Mutex_Information, |
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75 | &_POSIX_RWLock_Information, |
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76 | &_POSIX_Semaphore_Information, |
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77 | &_POSIX_Spinlock_Information, |
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78 | &_POSIX_Threads_Information, |
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79 | &_POSIX_Timer_Information |
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80 | #endif |
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81 | }; |
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82 | |
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83 | static int open_files(void) |
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84 | { |
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85 | int free_count = 0; |
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86 | rtems_libio_t *iop; |
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87 | |
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88 | rtems_libio_lock(); |
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89 | |
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90 | iop = rtems_libio_iop_freelist; |
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91 | while (iop != NULL) { |
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92 | ++free_count; |
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93 | |
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94 | iop = iop->data1; |
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95 | } |
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96 | |
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97 | rtems_libio_unlock(); |
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98 | |
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99 | return (int) rtems_libio_number_iops - free_count; |
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100 | } |
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101 | |
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102 | static void get_heap_info(Heap_Control *heap, Heap_Information_block *info) |
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103 | { |
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104 | _Heap_Get_information(heap, info); |
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105 | memset(&info->Stats, 0, sizeof(info->Stats)); |
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106 | } |
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107 | |
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108 | static bool count_posix_key_value_pairs( |
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109 | const RBTree_Node *node, |
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110 | RBTree_Direction dir, |
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111 | void *visitor_arg |
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112 | ) |
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113 | { |
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114 | uint32_t *count = visitor_arg; |
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115 | |
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116 | (void) node; |
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117 | (void) dir; |
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118 | |
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119 | ++(*count); |
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120 | |
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121 | return false; |
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122 | } |
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123 | |
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124 | static uint32_t get_active_posix_key_value_pairs(void) |
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125 | { |
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126 | uint32_t count = 0; |
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127 | |
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128 | _Thread_Disable_dispatch(); |
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129 | _RBTree_Iterate( |
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130 | &_POSIX_Keys_Key_value_lookup_tree, |
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131 | RBT_LEFT, |
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132 | count_posix_key_value_pairs, |
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133 | &count |
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134 | ); |
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135 | _Thread_Enable_dispatch(); |
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136 | |
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137 | return count; |
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138 | } |
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139 | |
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140 | void rtems_resource_snapshot_take(rtems_resource_snapshot *snapshot) |
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141 | { |
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142 | uint32_t *active = &snapshot->active_posix_keys; |
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143 | size_t i; |
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144 | |
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145 | memset(snapshot, 0, sizeof(*snapshot)); |
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146 | |
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147 | _RTEMS_Lock_allocator(); |
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148 | |
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149 | _Thread_Kill_zombies(); |
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150 | |
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151 | get_heap_info(RTEMS_Malloc_Heap, &snapshot->heap_info); |
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152 | get_heap_info(&_Workspace_Area, &snapshot->workspace_info); |
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153 | |
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154 | for (i = 0; i < RTEMS_ARRAY_SIZE(objects_info_table); ++i) { |
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155 | active [i] = _Objects_Active_count(objects_info_table[i]); |
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156 | } |
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157 | |
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158 | _RTEMS_Unlock_allocator(); |
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159 | |
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160 | snapshot->active_posix_key_value_pairs = get_active_posix_key_value_pairs(); |
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161 | snapshot->open_files = open_files(); |
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162 | } |
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163 | |
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164 | bool rtems_resource_snapshot_equal( |
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165 | const rtems_resource_snapshot *a, |
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166 | const rtems_resource_snapshot *b |
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167 | ) |
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168 | { |
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169 | return memcmp(a, b, sizeof(*a)) == 0; |
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170 | } |
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171 | |
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172 | bool rtems_resource_snapshot_check(const rtems_resource_snapshot *snapshot) |
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173 | { |
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174 | rtems_resource_snapshot now; |
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175 | |
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176 | rtems_resource_snapshot_take(&now); |
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177 | |
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178 | return rtems_resource_snapshot_equal(&now, snapshot); |
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179 | } |
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