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 Test 1 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) 1989-1997. |
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14 | -- On-Line Applications Research Corporation (OAR). |
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15 | -- Copyright assigned to U.S. Government, 1994. |
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16 | -- |
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17 | -- The license and distribution terms for this file may in |
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18 | -- the file LICENSE in this distribution or at |
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19 | -- http://www.OARcorp.com/rtems/license.html. |
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20 | -- |
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21 | -- $Id$ |
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22 | -- |
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23 | |
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24 | with INTERFACES; use INTERFACES; |
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25 | with RTEMS; |
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26 | with RTEMS_CALLING_OVERHEAD; |
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27 | with TEST_SUPPORT; |
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28 | with TEXT_IO; |
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29 | with TIME_TEST_SUPPORT; |
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30 | with UNSIGNED32_IO; |
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31 | |
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32 | package body TMTEST is |
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33 | |
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34 | --PAGE |
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35 | -- |
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36 | -- INIT |
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37 | -- |
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38 | |
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39 | procedure INIT ( |
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40 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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41 | ) is |
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42 | STATUS : RTEMS.STATUS_CODES; |
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43 | begin |
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44 | |
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45 | TEXT_IO.NEW_LINE( 2 ); |
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46 | TEXT_IO.PUT_LINE( "*** TIME TEST 1 ***" ); |
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47 | |
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48 | TMTEST.TASK_NAME( 1 ) := RTEMS.BUILD_NAME( 'T', 'A', '1', ' ' ); |
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49 | TMTEST.TASK_NAME( 2 ) := RTEMS.BUILD_NAME( 'T', 'A', '2', ' ' ); |
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50 | TMTEST.TASK_NAME( 3 ) := RTEMS.BUILD_NAME( 'T', 'A', '3', ' ' ); |
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51 | |
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52 | RTEMS.TASK_CREATE( |
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53 | TMTEST.TASK_NAME( 1 ), |
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54 | 1, |
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55 | 2048, |
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56 | RTEMS.DEFAULT_MODES, |
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57 | RTEMS.DEFAULT_ATTRIBUTES, |
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58 | TMTEST.TASK_ID( 1 ), |
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59 | STATUS |
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60 | ); |
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61 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_CREATE OF TA1" ); |
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62 | |
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63 | RTEMS.TASK_START( |
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64 | TMTEST.TASK_ID( 1 ), |
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65 | TMTEST.TASK_1'ACCESS, |
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66 | 0, |
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67 | STATUS |
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68 | ); |
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69 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_START OF TA1" ); |
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70 | |
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71 | RTEMS.TASK_DELETE( RTEMS.SELF, STATUS ); |
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72 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "TASK_DELETE OF SELF" ); |
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73 | |
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74 | end INIT; |
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75 | |
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76 | --PAGE |
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77 | -- |
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78 | -- TASK_1 |
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79 | -- |
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80 | |
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81 | procedure TASK_1 ( |
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82 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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83 | ) is |
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84 | SEMAPHORE_OBTAIN_TIME : RTEMS.UNSIGNED32; |
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85 | SEMAPHORE_RELEASE_TIME : RTEMS.UNSIGNED32; |
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86 | SEMAPHORE_OBTAIN_NO_WAIT_TIME : RTEMS.UNSIGNED32; |
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87 | SEMAPHORE_OBTAIN_LOOP_TIME : RTEMS.UNSIGNED32; |
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88 | SEMAPHORE_RELEASE_LOOP_TIME : RTEMS.UNSIGNED32; |
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89 | INDEX : RTEMS.UNSIGNED32; |
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90 | ITERATIONS : RTEMS.UNSIGNED32; |
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91 | NAME : RTEMS.NAME; |
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92 | SMID : RTEMS.ID; |
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93 | STATUS : RTEMS.STATUS_CODES; |
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94 | begin |
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95 | |
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96 | NAME := RTEMS.BUILD_NAME( 'S', 'M', '1', ' ' ); |
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97 | |
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98 | SEMAPHORE_OBTAIN_TIME := 0; |
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99 | SEMAPHORE_RELEASE_TIME := 0; |
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100 | SEMAPHORE_OBTAIN_NO_WAIT_TIME := 0; |
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101 | SEMAPHORE_OBTAIN_LOOP_TIME := 0; |
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102 | SEMAPHORE_RELEASE_LOOP_TIME := 0; |
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103 | |
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104 | -- Time one invocation of SEMAPHORE_CREATE |
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105 | |
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106 | TIMER_DRIVER.INITIALIZE; |
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107 | |
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108 | RTEMS.SEMAPHORE_CREATE( |
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109 | NAME, |
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110 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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111 | RTEMS.DEFAULT_ATTRIBUTES, |
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112 | SMID, |
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113 | STATUS |
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114 | ); |
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115 | |
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116 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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117 | |
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118 | TIME_TEST_SUPPORT.PUT_TIME( |
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119 | "SEMAPHORE_CREATE", |
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120 | TMTEST.END_TIME, |
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121 | 1, |
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122 | 0, |
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123 | RTEMS_CALLING_OVERHEAD.SEMAPHORE_CREATE |
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124 | ); |
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125 | |
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126 | -- Time one invocation of SEMAPHORE_DELETE |
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127 | |
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128 | TIMER_DRIVER.INITIALIZE; |
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129 | |
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130 | RTEMS.SEMAPHORE_DELETE( SMID, STATUS ); |
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131 | |
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132 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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133 | |
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134 | TIME_TEST_SUPPORT.PUT_TIME( |
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135 | "SEMAPHORE_DELETE", |
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136 | TMTEST.END_TIME, |
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137 | 1, |
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138 | 0, |
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139 | RTEMS_CALLING_OVERHEAD.SEMAPHORE_DELETE |
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140 | ); |
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141 | |
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142 | -- Create semaphore for repeated operations. |
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143 | |
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144 | RTEMS.SEMAPHORE_CREATE( |
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145 | NAME, |
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146 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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147 | RTEMS.DEFAULT_ATTRIBUTES, |
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148 | SMID, |
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149 | STATUS |
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150 | ); |
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151 | TEST_SUPPORT.DIRECTIVE_FAILED( STATUS, "SEMAPHORE_CREATE" ); |
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152 | |
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153 | -- Perform repeated SEMAPHORE OBTAIN's and RELEASE's |
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154 | |
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155 | for ITERATIONS in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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156 | loop |
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157 | |
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158 | TIMER_DRIVER.INITIALIZE; |
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159 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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160 | loop |
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161 | TIMER_DRIVER.EMPTY_FUNCTION; |
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162 | end loop; |
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163 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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164 | |
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165 | SEMAPHORE_OBTAIN_LOOP_TIME := SEMAPHORE_OBTAIN_LOOP_TIME + |
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166 | TMTEST.END_TIME; |
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167 | SEMAPHORE_RELEASE_LOOP_TIME := SEMAPHORE_RELEASE_LOOP_TIME + |
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168 | TMTEST.END_TIME; |
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169 | |
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170 | -- Semaphore_obtain (available loop) |
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171 | |
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172 | TIMER_DRIVER.INITIALIZE; |
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173 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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174 | loop |
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175 | |
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176 | RTEMS.SEMAPHORE_OBTAIN( |
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177 | SMID, |
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178 | RTEMS.DEFAULT_OPTIONS, |
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179 | RTEMS.NO_TIMEOUT, |
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180 | STATUS |
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181 | ); |
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182 | |
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183 | end loop; |
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184 | |
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185 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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186 | |
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187 | SEMAPHORE_OBTAIN_TIME := SEMAPHORE_OBTAIN_TIME + TMTEST.END_TIME; |
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188 | |
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189 | -- Semaphore_release |
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190 | |
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191 | TIMER_DRIVER.INITIALIZE; |
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192 | |
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193 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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194 | loop |
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195 | |
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196 | RTEMS.SEMAPHORE_RELEASE( SMID, STATUS ); |
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197 | |
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198 | end loop; |
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199 | |
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200 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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201 | |
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202 | SEMAPHORE_RELEASE_TIME := SEMAPHORE_RELEASE_TIME + |
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203 | TMTEST.END_TIME; |
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204 | |
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205 | -- Semaphore_p (NO_WAIT) |
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206 | |
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207 | TIMER_DRIVER.INITIALIZE; |
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208 | |
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209 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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210 | loop |
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211 | |
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212 | RTEMS.SEMAPHORE_OBTAIN( |
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213 | SMID, |
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214 | RTEMS.NO_WAIT, |
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215 | RTEMS.NO_TIMEOUT, |
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216 | STATUS |
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217 | ); |
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218 | |
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219 | end loop; |
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220 | |
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221 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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222 | |
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223 | SEMAPHORE_OBTAIN_NO_WAIT_TIME := |
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224 | SEMAPHORE_OBTAIN_NO_WAIT_TIME + TMTEST.END_TIME; |
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225 | |
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226 | -- Semaphore_v |
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227 | |
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228 | TIMER_DRIVER.INITIALIZE; |
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229 | |
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230 | for INDEX in 1 .. TIME_TEST_SUPPORT.OPERATION_COUNT |
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231 | loop |
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232 | |
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233 | RTEMS.SEMAPHORE_RELEASE( SMID, STATUS ); |
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234 | |
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235 | end loop; |
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236 | |
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237 | TMTEST.END_TIME := TIMER_DRIVER.READ_TIMER; |
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238 | |
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239 | SEMAPHORE_RELEASE_TIME := SEMAPHORE_RELEASE_TIME + |
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240 | TMTEST.END_TIME; |
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241 | |
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242 | end loop; |
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243 | |
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244 | TIME_TEST_SUPPORT.PUT_TIME( |
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245 | "SEMAPHORE_OBTAIN (semaphore available)", |
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246 | SEMAPHORE_OBTAIN_TIME, |
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247 | TIME_TEST_SUPPORT.OPERATION_COUNT * |
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248 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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249 | SEMAPHORE_OBTAIN_LOOP_TIME, |
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250 | RTEMS_CALLING_OVERHEAD.SEMAPHORE_OBTAIN |
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251 | ); |
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252 | |
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253 | TIME_TEST_SUPPORT.PUT_TIME( |
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254 | "SEMAPHORE_OBTAIN (NO_WAIT)", |
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255 | SEMAPHORE_OBTAIN_NO_WAIT_TIME, |
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256 | TIME_TEST_SUPPORT.OPERATION_COUNT * |
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257 | TIME_TEST_SUPPORT.OPERATION_COUNT, |
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258 | SEMAPHORE_OBTAIN_LOOP_TIME, |
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259 | RTEMS_CALLING_OVERHEAD.SEMAPHORE_OBTAIN |
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260 | ); |
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261 | |
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262 | TIME_TEST_SUPPORT.PUT_TIME( |
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263 | "SEMAPHORE_RELEASE (no task waiting)", |
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264 | SEMAPHORE_RELEASE_TIME, |
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265 | TIME_TEST_SUPPORT.OPERATION_COUNT * |
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266 | TIME_TEST_SUPPORT.OPERATION_COUNT * 2, |
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267 | SEMAPHORE_RELEASE_LOOP_TIME * 2, |
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268 | RTEMS_CALLING_OVERHEAD.SEMAPHORE_RELEASE |
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269 | ); |
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270 | RTEMS.SHUTDOWN_EXECUTIVE( 0 ); |
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271 | |
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272 | end TASK_1; |
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273 | |
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274 | end TMTEST; |
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