1 | /* |
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2 | * $Id$ |
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3 | */ |
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4 | |
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5 | #include <rtems.h> |
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6 | #include <stdlib.h> |
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7 | #include <stdio.h> |
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8 | #include <assert.h> |
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9 | |
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10 | #include <rtems/rtmonuse.h> |
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11 | |
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12 | typedef struct { |
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13 | rtems_id id; |
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14 | unsigned32 count; |
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15 | unsigned32 missed_count; |
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16 | unsigned32 min_cpu_time; |
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17 | unsigned32 max_cpu_time; |
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18 | unsigned32 total_cpu_time; |
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19 | unsigned32 min_wall_time; |
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20 | unsigned32 max_wall_time; |
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21 | unsigned32 total_wall_time; |
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22 | } Period_usage_t; |
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23 | |
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24 | Period_usage_t *Period_usage_Information; |
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25 | |
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26 | /*PAGE |
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27 | * |
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28 | * Period_usage_Initialize |
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29 | */ |
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30 | |
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31 | void Period_usage_Initialize( void ) |
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32 | { |
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33 | int maximum; |
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34 | |
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35 | maximum = _Configuration_Table->RTEMS_api_configuration->maximum_periods; |
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36 | |
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37 | Period_usage_Information = malloc( sizeof(Period_usage_t) * (maximum+1) ); |
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38 | |
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39 | Period_usage_Reset(); |
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40 | } |
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41 | |
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42 | /*PAGE |
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43 | * |
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44 | * Period_usage_Reset |
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45 | */ |
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46 | |
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47 | void Period_usage_Reset( void ) |
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48 | { |
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49 | unsigned32 i; |
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50 | Period_usage_t *the_usage; |
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51 | |
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52 | for ( i=0 ; |
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53 | i<_Configuration_Table->RTEMS_api_configuration->maximum_periods ; |
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54 | i++ ) { |
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55 | the_usage = &Period_usage_Information[ i ]; |
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56 | |
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57 | the_usage->count = 0; |
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58 | the_usage->missed_count = 0; |
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59 | the_usage->min_cpu_time = 0xFFFFFFFF; |
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60 | the_usage->max_cpu_time = 0; |
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61 | the_usage->total_cpu_time = 0; |
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62 | the_usage->min_wall_time = 0xFFFFFFFF; |
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63 | the_usage->max_wall_time = 0; |
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64 | the_usage->total_wall_time = 0; |
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65 | |
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66 | } |
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67 | } |
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68 | |
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69 | /*PAGE |
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70 | * |
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71 | * Period_usage_Update |
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72 | */ |
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73 | |
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74 | void Period_usage_Update( |
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75 | rtems_id id |
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76 | ) |
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77 | { |
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78 | rtems_rate_monotonic_period_status rm_status; |
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79 | rtems_status_code status; |
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80 | Period_usage_t *the_usage; |
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81 | |
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82 | assert( Period_usage_Information ); |
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83 | |
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84 | status = rtems_rate_monotonic_get_status( id, &rm_status ); |
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85 | assert( status == RTEMS_SUCCESSFUL ); |
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86 | |
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87 | the_usage = &Period_usage_Information[ rtems_get_index( id ) ]; |
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88 | |
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89 | the_usage->id = id; |
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90 | the_usage->count++; |
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91 | if ( rm_status.state == RATE_MONOTONIC_EXPIRED ) |
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92 | the_usage->missed_count++; |
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93 | the_usage->total_cpu_time += rm_status.ticks_executed_since_last_period; |
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94 | the_usage->total_wall_time += rm_status.ticks_since_last_period; |
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95 | |
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96 | /* |
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97 | * Update CPU time |
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98 | */ |
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99 | |
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100 | if ( rm_status.ticks_executed_since_last_period < the_usage->min_cpu_time ) |
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101 | the_usage->min_cpu_time = rm_status.ticks_executed_since_last_period; |
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102 | |
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103 | if ( rm_status.ticks_executed_since_last_period > the_usage->max_cpu_time ) |
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104 | the_usage->max_cpu_time = rm_status.ticks_executed_since_last_period; |
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105 | |
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106 | /* |
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107 | * Update Wall time |
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108 | */ |
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109 | |
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110 | if ( rm_status.ticks_since_last_period < the_usage->min_wall_time ) |
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111 | the_usage->min_wall_time = rm_status.ticks_since_last_period; |
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112 | |
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113 | if ( rm_status.ticks_since_last_period > the_usage->max_wall_time ) |
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114 | the_usage->max_wall_time = rm_status.ticks_since_last_period; |
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115 | |
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116 | } |
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117 | |
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118 | /*PAGE |
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119 | * |
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120 | * Period_usage_Dump |
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121 | */ |
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122 | |
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123 | void Period_usage_Dump( void ) |
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124 | { |
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125 | unsigned32 i; |
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126 | Period_usage_t *the_usage; |
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127 | Rate_monotonic_Control *the_period; |
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128 | unsigned32 u32_name; |
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129 | char name[5]; |
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130 | |
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131 | if ( !Period_usage_Information ) { |
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132 | printf( "Period statistics library is not initialized\n" ); |
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133 | return; |
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134 | } |
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135 | |
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136 | printf( "Period information by period\n" ); |
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137 | printf( " ID OWNER PERIODS MISSED CPU TIME WALL TIME\n" ); |
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138 | |
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139 | /* |
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140 | * RTEMS does not use an index of zero for object ids. |
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141 | */ |
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142 | |
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143 | for ( i=1 ; |
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144 | i<_Configuration_Table->RTEMS_api_configuration->maximum_periods ; |
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145 | i++ ) { |
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146 | the_usage = &Period_usage_Information[ i ]; |
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147 | if ( the_usage->count == 0 ) |
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148 | continue; |
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149 | |
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150 | the_period = |
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151 | (Rate_monotonic_Control *)_Rate_monotonic_Information.local_table[ i ]; |
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152 | |
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153 | if ( the_period->owner ) |
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154 | u32_name = *(unsigned32 *)the_period->owner->Object.name; |
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155 | else |
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156 | u32_name = rtems_build_name(' ', ' ', ' ', ' '); |
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157 | |
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158 | name[ 0 ] = (u32_name >> 24) & 0xff; |
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159 | name[ 1 ] = (u32_name >> 16) & 0xff; |
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160 | name[ 2 ] = (u32_name >> 8) & 0xff; |
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161 | name[ 3 ] = (u32_name >> 0) & 0xff; |
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162 | name[ 4 ] = '\0'; |
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163 | |
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164 | printf( |
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165 | "0x%08x %4s %6d %3d %d/%d/%5.2f %d/%d/%3.2f\n", |
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166 | the_usage->id, |
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167 | name, |
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168 | the_usage->count, |
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169 | the_usage->missed_count, |
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170 | the_usage->min_cpu_time, |
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171 | the_usage->max_cpu_time, |
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172 | (double) the_usage->total_cpu_time / (double) the_usage->count, |
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173 | the_usage->min_wall_time, |
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174 | the_usage->max_wall_time, |
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175 | (double) the_usage->total_wall_time / (double) the_usage->count |
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176 | ); |
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177 | } |
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178 | } |
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