1 | /* |
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2 | * COPYRIGHT (c) 1989-2008. |
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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.com/license/LICENSE. |
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8 | * |
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9 | * $Id$ |
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10 | */ |
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11 | |
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12 | #ifdef HAVE_CONFIG_H |
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13 | #include "config.h" |
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14 | #endif |
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15 | |
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16 | #define CONFIGURE_INIT |
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17 | #include "system.h" |
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18 | |
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19 | rtems_id Task_id[OPERATION_COUNT+1]; |
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20 | uint32_t Task_index; |
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21 | |
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22 | rtems_task High_task( |
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23 | rtems_task_argument argument |
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24 | ); |
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25 | |
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26 | rtems_task Middle_tasks( |
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27 | rtems_task_argument argument |
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28 | ); |
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29 | |
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30 | rtems_task Low_task( |
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31 | rtems_task_argument argument |
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32 | ); |
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33 | |
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34 | extern void test_init(void); |
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35 | |
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36 | int operation_count = OPERATION_COUNT; |
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37 | |
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38 | rtems_task Init( |
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39 | rtems_task_argument argument |
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40 | ) |
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41 | { |
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42 | rtems_status_code status; |
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43 | |
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44 | Print_Warning(); |
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45 | |
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46 | puts( "\n\n*** TIME TEST 5 ***" ); |
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47 | |
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48 | test_init(); |
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49 | |
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50 | status = rtems_task_delete( RTEMS_SELF ); |
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51 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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52 | } |
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53 | |
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54 | void test_init(void) |
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55 | { |
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56 | rtems_status_code status; |
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57 | rtems_task_entry task_entry; |
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58 | rtems_task_priority priority; |
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59 | uint32_t index; |
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60 | |
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61 | priority = RTEMS_MAXIMUM_PRIORITY - 1; |
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62 | |
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63 | if ( OPERATION_COUNT > RTEMS_MAXIMUM_PRIORITY - 2 ) |
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64 | operation_count = RTEMS_MAXIMUM_PRIORITY - 2; |
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65 | |
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66 | for( index = 0; index <= operation_count ; index++ ) { |
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67 | |
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68 | status = rtems_task_create( |
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69 | rtems_build_name( 'T', 'I', 'M', 'E' ), |
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70 | priority, |
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71 | RTEMS_MINIMUM_STACK_SIZE, |
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72 | RTEMS_DEFAULT_MODES, |
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73 | RTEMS_DEFAULT_ATTRIBUTES, |
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74 | &Task_id[ index ] |
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75 | ); |
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76 | directive_failed( status, "rtems_task_create loop" ); |
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77 | |
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78 | priority--; |
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79 | |
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80 | if ( index==0 ) task_entry = Low_task; |
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81 | else if ( index==operation_count ) task_entry = High_task; |
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82 | else task_entry = Middle_tasks; |
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83 | |
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84 | status = rtems_task_start( Task_id[ index ], task_entry, 0 ); |
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85 | directive_failed( status, "rtems_task_start loop" ); |
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86 | } |
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87 | } |
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88 | |
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89 | rtems_task High_task( |
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90 | rtems_task_argument argument |
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91 | ) |
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92 | { |
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93 | benchmark_timer_initialize(); |
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94 | |
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95 | (void) rtems_task_suspend( RTEMS_SELF ); |
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96 | |
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97 | end_time = benchmark_timer_read(); |
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98 | |
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99 | put_time( |
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100 | "rtems_task_resume: task readied -- preempts caller", |
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101 | end_time, |
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102 | operation_count, |
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103 | 0, |
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104 | CALLING_OVERHEAD_TASK_RESUME |
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105 | ); |
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106 | |
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107 | puts( "*** END OF TEST 5 ***" ); |
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108 | rtems_test_exit( 0 ); |
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109 | } |
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110 | |
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111 | rtems_task Middle_tasks( |
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112 | rtems_task_argument argument |
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113 | ) |
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114 | { |
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115 | (void) rtems_task_suspend( RTEMS_SELF ); |
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116 | |
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117 | Task_index++; |
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118 | (void) rtems_task_resume( Task_id[ Task_index ] ); |
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119 | } |
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120 | |
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121 | rtems_task Low_task( |
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122 | rtems_task_argument argument |
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123 | ) |
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124 | { |
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125 | |
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126 | end_time = benchmark_timer_read(); |
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127 | |
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128 | put_time( |
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129 | "rtems_task_suspend: calling task", |
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130 | end_time, |
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131 | operation_count, |
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132 | 0, |
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133 | CALLING_OVERHEAD_TASK_SUSPEND |
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134 | ); |
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135 | |
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136 | Task_index = 1; |
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137 | benchmark_timer_initialize(); |
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138 | (void) rtems_task_resume( Task_id[ Task_index ] ); |
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139 | } |
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