1 | -- |
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2 | -- TMTEST / BODY |
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3 | -- |
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4 | -- DESCRIPTION: |
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5 | -- |
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6 | -- This package is the implementation of Timer Check Test of the RTEMS |
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7 | -- Timing Test Suite. |
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8 | -- |
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9 | -- DEPENDENCIES: |
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10 | -- |
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11 | -- |
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12 | -- |
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13 | -- COPYRIGHT (c) 1989-2011. |
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14 | -- On-Line Applications Research Corporation (OAR). |
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15 | -- |
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16 | -- The license and distribution terms for this file may in |
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17 | -- the file LICENSE in this distribution or at |
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18 | -- http://www.rtems.org/license/LICENSE. |
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19 | -- |
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20 | |
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21 | with TIMER_DRIVER; |
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22 | with INTERFACES; use INTERFACES; |
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23 | with TEST_SUPPORT; |
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24 | with TEXT_IO; |
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25 | with TIME_TEST_SUPPORT; |
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26 | with UNSIGNED32_IO; |
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27 | |
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28 | package body TMTEST is |
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29 | |
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30 | -- |
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31 | -- INIT |
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32 | -- |
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33 | |
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34 | procedure INIT ( |
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35 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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36 | ) is |
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37 | pragma Unreferenced(ARGUMENT); |
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38 | STATUS : RTEMS.STATUS_CODES; |
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39 | begin |
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40 | |
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41 | TEXT_IO.NEW_LINE( 2 ); |
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42 | TEXT_IO.PUT_LINE( "*** TIME TEST CHECK ***" ); |
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43 | |
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44 | TIMER_DRIVER.SET_FIND_AVERAGE_OVERHEAD( TRUE ); |
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45 | |
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46 | TMTEST.TASK_NAME( 1 ) := RTEMS.BUILD_NAME( 'T', 'A', '1', ' ' ); |
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47 | |
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48 | RTEMS.TASKS.CREATE( |
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49 | TMTEST.TASK_NAME( 1 ), |
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50 | 1, |
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51 | 2048, |
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52 | RTEMS.DEFAULT_MODES, |
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53 | RTEMS.DEFAULT_ATTRIBUTES, |
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54 | TMTEST.TASK_ID( 1 ), |
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55 | STATUS |
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56 | ); |
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57 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TA1" ); |
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58 | |
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59 | RTEMS.TASKS.START( |
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60 | TMTEST.TASK_ID( 1 ), |
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61 | TMTEST.TASK_1'ACCESS, |
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62 | 0, |
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63 | STATUS |
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64 | ); |
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65 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TA1" ); |
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66 | |
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67 | RTEMS.TASKS.DELETE( RTEMS.SELF, STATUS ); |
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68 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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69 | |
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70 | end INIT; |
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71 | |
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72 | -- |
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73 | -- TASK_1 |
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74 | -- |
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75 | |
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76 | procedure TASK_1 ( |
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77 | ARGUMENT : in RTEMS.TASKS.ARGUMENT |
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78 | ) is |
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79 | pragma Unreferenced(ARGUMENT); |
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80 | begin |
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81 | |
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82 | TMTEST.CHECK_READ_TIMER; |
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83 | |
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84 | TEST_SUPPORT.PAUSE; |
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85 | |
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86 | TIMER_DRIVER.INITIALIZE; |
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87 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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88 | TIME_TEST_SUPPORT.PUT_TIME( |
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89 | "NULL timer stopped at", |
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90 | TMTEST.END_TIME, |
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91 | 1, |
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92 | 0, |
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93 | 0 |
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94 | ); |
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95 | |
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96 | TIMER_DRIVER.INITIALIZE; |
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97 | for INDEX in 0 .. 1000 |
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98 | loop |
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99 | TIMER_DRIVER.EMPTY_FUNCTION; |
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100 | end loop; |
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101 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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102 | TIME_TEST_SUPPORT.PUT_TIME( |
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103 | "LOOP (1000) timer stopped at", |
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104 | TMTEST.END_TIME, |
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105 | 1, |
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106 | 0, |
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107 | 0 |
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108 | ); |
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109 | |
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110 | TIMER_DRIVER.INITIALIZE; |
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111 | for INDEX in 0 .. 10000 |
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112 | loop |
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113 | TIMER_DRIVER.EMPTY_FUNCTION; |
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114 | end loop; |
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115 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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116 | TIME_TEST_SUPPORT.PUT_TIME( |
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117 | "LOOP (10000) timer stopped at", |
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118 | TMTEST.END_TIME, |
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119 | 1, |
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120 | 0, |
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121 | 0 |
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122 | ); |
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123 | |
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124 | TIMER_DRIVER.INITIALIZE; |
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125 | for INDEX in 0 .. 50000 |
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126 | loop |
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127 | TIMER_DRIVER.EMPTY_FUNCTION; |
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128 | end loop; |
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129 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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130 | TIME_TEST_SUPPORT.PUT_TIME( |
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131 | "LOOP (50000) timer stopped at", |
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132 | TMTEST.END_TIME, |
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133 | 1, |
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134 | 0, |
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135 | 0 |
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136 | ); |
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137 | |
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138 | TIMER_DRIVER.INITIALIZE; |
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139 | for INDEX in 0 .. 100000 |
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140 | loop |
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141 | TIMER_DRIVER.EMPTY_FUNCTION; |
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142 | end loop; |
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143 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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144 | TIME_TEST_SUPPORT.PUT_TIME( |
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145 | "LOOP (100000) timer stopped at", |
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146 | TMTEST.END_TIME, |
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147 | 1, |
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148 | 0, |
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149 | 0 |
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150 | ); |
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151 | |
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152 | TEXT_IO.PUT_LINE( "*** END OF TIME TEST CHECK ***" ); |
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153 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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154 | |
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155 | end TASK_1; |
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156 | |
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157 | -- |
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158 | -- CHECK_READ_TIMER |
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159 | -- |
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160 | |
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161 | procedure CHECK_READ_TIMER |
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162 | is |
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163 | TIME : RTEMS.UNSIGNED32; |
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164 | begin |
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165 | |
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166 | for INDEX in TMTEST.DISTRIBUTION'FIRST .. TMTEST.DISTRIBUTION'LAST |
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167 | loop |
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168 | TMTEST.DISTRIBUTION( INDEX ) := 0; |
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169 | end loop; |
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170 | |
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171 | for INDEX in 1 .. TMTEST.OPERATION_COUNT |
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172 | loop |
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173 | |
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174 | loop |
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175 | TIMER_DRIVER.INITIALIZE; |
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176 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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177 | |
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178 | exit when |
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179 | TMTEST.END_TIME <= RTEMS.UNSIGNED32( TMTEST.DISTRIBUTION'LAST ); |
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180 | |
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181 | TEXT_IO.PUT( "TOO LONG (" ); |
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182 | UNSIGNED32_IO.PUT( TMTEST.END_TIME ); |
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183 | TEXT_IO.PUT_LINE( ")!!!" ); |
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184 | end loop; |
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185 | |
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186 | TMTEST.DISTRIBUTION( TMTEST.END_TIME ) := |
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187 | TMTEST.DISTRIBUTION( TMTEST.END_TIME ) + 1; |
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188 | |
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189 | end loop; |
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190 | |
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191 | TEXT_IO.PUT_LINE( |
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192 | "Units may not be in microseconds for this test!!!" |
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193 | ); |
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194 | |
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195 | TIME := 0; |
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196 | |
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197 | for INDEX in TMTEST.DISTRIBUTION'FIRST .. TMTEST.DISTRIBUTION'LAST |
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198 | loop |
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199 | if TMTEST.DISTRIBUTION( INDEX ) /= 0 then |
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200 | TIME := TIME + (TMTEST.DISTRIBUTION( INDEX ) * INDEX); |
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201 | UNSIGNED32_IO.PUT( INDEX ); |
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202 | TEXT_IO.PUT( " " ); |
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203 | UNSIGNED32_IO.PUT( TMTEST.DISTRIBUTION( INDEX ) ); |
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204 | TEXT_IO.NEW_LINE; |
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205 | end if; |
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206 | end loop; |
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207 | |
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208 | TEXT_IO.PUT( "Total time = " ); |
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209 | UNSIGNED32_IO.PUT( TIME ); |
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210 | TEXT_IO.NEW_LINE; |
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211 | |
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212 | end CHECK_READ_TIMER; |
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213 | |
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214 | end TMTEST; |
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