1 | /* |
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2 | * COPYRIGHT (c) 1989-2013. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.org/license/LICENSE. |
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8 | */ |
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9 | |
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10 | #ifdef HAVE_CONFIG_H |
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11 | #include "config.h" |
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12 | #endif |
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13 | |
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14 | #define CONFIGURE_INIT |
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15 | #include "system.h" |
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16 | |
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17 | bool time_set; |
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18 | uint32_t eventout; |
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19 | |
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20 | rtems_task High_tasks( |
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21 | rtems_task_argument argument |
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22 | ); |
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23 | |
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24 | rtems_task Low_task( |
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25 | rtems_task_argument argument |
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26 | ); |
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27 | |
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28 | void test_init(void); |
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29 | |
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30 | rtems_task Init( |
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31 | rtems_task_argument argument |
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32 | ) |
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33 | { |
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34 | rtems_status_code status; |
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35 | |
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36 | Print_Warning(); |
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37 | |
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38 | puts( "\n\n*** TIME TEST 15 ***" ); |
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39 | |
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40 | test_init(); |
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41 | |
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42 | status = rtems_task_delete( RTEMS_SELF ); |
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43 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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44 | } |
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45 | |
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46 | void test_init(void) |
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47 | { |
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48 | rtems_id id; |
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49 | uint32_t index; |
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50 | rtems_event_set event_out; |
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51 | rtems_status_code status; |
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52 | |
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53 | time_set = false; |
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54 | |
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55 | status = rtems_task_create( |
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56 | rtems_build_name( 'L', 'O', 'W', ' ' ), |
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57 | 10, |
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58 | RTEMS_MINIMUM_STACK_SIZE, |
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59 | RTEMS_NO_PREEMPT, |
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60 | RTEMS_DEFAULT_ATTRIBUTES, |
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61 | &id |
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62 | ); |
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63 | directive_failed( status, "rtems_task_create LOW" ); |
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64 | |
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65 | status = rtems_task_start( id, Low_task, 0 ); |
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66 | directive_failed( status, "rtems_task_start LOW" ); |
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67 | |
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68 | for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) { |
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69 | status = rtems_task_create( |
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70 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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71 | 5, |
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72 | RTEMS_MINIMUM_STACK_SIZE, |
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73 | RTEMS_DEFAULT_MODES, |
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74 | RTEMS_DEFAULT_ATTRIBUTES, |
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75 | &Task_id[ index ] |
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76 | ); |
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77 | directive_failed( status, "rtems_task_create LOOP" ); |
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78 | |
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79 | status = rtems_task_start( Task_id[ index ], High_tasks, 0 ); |
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80 | directive_failed( status, "rtems_task_start LOOP" ); |
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81 | } |
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82 | |
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83 | benchmark_timer_initialize(); |
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84 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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85 | (void) benchmark_timer_empty_function(); |
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86 | overhead = benchmark_timer_read(); |
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87 | |
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88 | benchmark_timer_initialize(); |
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89 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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90 | { |
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91 | (void) rtems_event_receive( |
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92 | RTEMS_PENDING_EVENTS, |
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93 | RTEMS_DEFAULT_OPTIONS, |
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94 | RTEMS_NO_TIMEOUT, |
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95 | &event_out |
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96 | ); |
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97 | } |
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98 | |
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99 | end_time = benchmark_timer_read(); |
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100 | |
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101 | put_time( |
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102 | "rtems_event_receive: obtain current events", |
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103 | end_time, |
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104 | OPERATION_COUNT, |
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105 | overhead, |
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106 | CALLING_OVERHEAD_EVENT_RECEIVE |
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107 | ); |
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108 | |
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109 | |
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110 | benchmark_timer_initialize(); |
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111 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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112 | { |
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113 | (void) rtems_event_receive( |
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114 | RTEMS_ALL_EVENTS, |
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115 | RTEMS_NO_WAIT, |
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116 | RTEMS_NO_TIMEOUT, |
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117 | &event_out |
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118 | ); |
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119 | } |
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120 | end_time = benchmark_timer_read(); |
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121 | |
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122 | put_time( |
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123 | "rtems_event_receive: not available NO_WAIT", |
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124 | end_time, |
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125 | OPERATION_COUNT, |
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126 | overhead, |
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127 | CALLING_OVERHEAD_EVENT_RECEIVE |
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128 | ); |
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129 | } |
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130 | |
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131 | rtems_task Low_task( |
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132 | rtems_task_argument argument |
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133 | ) |
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134 | { |
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135 | uint32_t index; |
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136 | rtems_event_set event_out; |
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137 | |
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138 | end_time = benchmark_timer_read(); |
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139 | |
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140 | put_time( |
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141 | "rtems_event_receive: not available caller blocks", |
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142 | end_time, |
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143 | OPERATION_COUNT, |
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144 | 0, |
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145 | CALLING_OVERHEAD_EVENT_RECEIVE |
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146 | ); |
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147 | |
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148 | benchmark_timer_initialize(); |
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149 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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150 | (void) benchmark_timer_empty_function(); |
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151 | overhead = benchmark_timer_read(); |
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152 | |
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153 | benchmark_timer_initialize(); |
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154 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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155 | (void) rtems_event_send( RTEMS_SELF, RTEMS_EVENT_16 ); |
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156 | end_time = benchmark_timer_read(); |
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157 | |
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158 | put_time( |
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159 | "rtems_event_send: no task readied", |
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160 | end_time, |
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161 | OPERATION_COUNT, |
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162 | overhead, |
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163 | CALLING_OVERHEAD_EVENT_SEND |
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164 | ); |
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165 | |
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166 | benchmark_timer_initialize(); |
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167 | (void) rtems_event_receive( |
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168 | RTEMS_EVENT_16, |
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169 | RTEMS_DEFAULT_OPTIONS, |
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170 | RTEMS_NO_TIMEOUT, |
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171 | &event_out |
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172 | ); |
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173 | end_time = benchmark_timer_read(); |
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174 | |
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175 | put_time( |
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176 | "rtems_event_receive: available", |
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177 | end_time, |
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178 | 1, |
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179 | 0, |
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180 | CALLING_OVERHEAD_EVENT_RECEIVE |
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181 | ); |
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182 | |
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183 | benchmark_timer_initialize(); |
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184 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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185 | (void) rtems_event_send( Task_id[ index ], RTEMS_EVENT_16 ); |
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186 | end_time = benchmark_timer_read(); |
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187 | |
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188 | put_time( |
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189 | "rtems_event_send: task readied returns to caller", |
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190 | end_time, |
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191 | OPERATION_COUNT, |
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192 | overhead, |
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193 | CALLING_OVERHEAD_EVENT_SEND |
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194 | ); |
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195 | |
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196 | puts( "*** END OF TEST 15 ***" ); |
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197 | rtems_test_exit( 0 ); |
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198 | } |
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199 | |
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200 | rtems_task High_tasks( |
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201 | rtems_task_argument argument |
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202 | ) |
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203 | { |
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204 | if ( time_set ) |
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205 | (void) rtems_event_receive( |
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206 | RTEMS_EVENT_16, |
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207 | RTEMS_DEFAULT_OPTIONS, |
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208 | RTEMS_NO_TIMEOUT, |
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209 | &eventout |
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210 | ); |
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211 | else { |
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212 | time_set = true; |
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213 | /* start blocking rtems_event_receive time */ |
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214 | benchmark_timer_initialize(); |
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215 | (void) rtems_event_receive( |
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216 | RTEMS_EVENT_16, |
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217 | RTEMS_DEFAULT_OPTIONS, |
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218 | RTEMS_NO_TIMEOUT, |
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219 | &eventout |
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220 | ); |
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221 | } |
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222 | } |
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