1 | /* |
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2 | * |
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3 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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4 | * On-Line Applications Research Corporation (OAR). |
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5 | * All rights assigned to U.S. Government, 1994. |
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6 | * |
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7 | * This material may be reproduced by or for the U.S. Government pursuant |
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8 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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9 | * notice must appear in all copies of this file and its derivatives. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #include "system.h" |
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15 | #undef EXTERN |
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16 | #define EXTERN |
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17 | #include "conftbl.h" |
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18 | #include "gvar.h" |
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19 | |
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20 | rtems_unsigned32 Task_count; |
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21 | |
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22 | rtems_task Tasks( |
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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 High_task( |
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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 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_id id; |
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35 | rtems_unsigned32 index; |
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36 | rtems_status_code status; |
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37 | |
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38 | puts( "\n\n*** TIME TEST 24 ***" ); |
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39 | |
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40 | status = rtems_task_create( |
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41 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
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42 | 10, |
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43 | 1024, |
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44 | RTEMS_DEFAULT_MODES, |
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45 | RTEMS_DEFAULT_ATTRIBUTES, |
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46 | &id |
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47 | ); |
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48 | directive_failed( status, "rtems_task_create HIGH" ); |
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49 | |
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50 | status = rtems_task_start( id, High_task, 0 ); |
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51 | directive_failed( status, "rtems_task_create HIGH" ); |
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52 | |
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53 | for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) { |
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54 | status = rtems_task_create( |
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55 | rtems_build_name( 'R', 'E', 'S', 'T' ), |
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56 | 128, |
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57 | 1024, |
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58 | RTEMS_DEFAULT_MODES, |
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59 | RTEMS_DEFAULT_ATTRIBUTES, |
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60 | &id |
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61 | ); |
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62 | directive_failed( status, "rtems_task_create LOOP" ); |
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63 | |
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64 | status = rtems_task_start( id, Tasks, 0 ); |
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65 | directive_failed( status, "rtems_task_start LOOP" ); |
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66 | } |
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67 | status = rtems_task_delete( RTEMS_SELF ); |
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68 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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69 | } |
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70 | |
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71 | rtems_task High_task( |
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72 | rtems_task_argument argument |
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73 | ) |
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74 | { |
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75 | rtems_status_code status; |
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76 | rtems_unsigned32 index; |
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77 | |
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78 | Timer_initialize(); |
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79 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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80 | (void) Empty_function(); |
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81 | overhead = Read_timer(); |
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82 | |
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83 | Timer_initialize(); |
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84 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
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85 | (void) rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); |
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86 | end_time = Read_timer(); |
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87 | |
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88 | put_time( |
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89 | "rtems_task_wake_after (no context switch)", |
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90 | end_time, |
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91 | OPERATION_COUNT, |
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92 | overhead, |
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93 | CALLING_OVERHEAD_TASK_WAKE_AFTER |
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94 | ); |
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95 | |
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96 | Task_count = 0; |
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97 | |
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98 | status = rtems_task_delete( RTEMS_SELF ); |
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99 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
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100 | } |
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101 | |
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102 | rtems_task Tasks( |
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103 | rtems_task_argument argument |
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104 | ) |
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105 | { |
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106 | Task_count++; |
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107 | |
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108 | if ( Task_count == 1 ) |
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109 | Timer_initialize(); |
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110 | else if ( Task_count == OPERATION_COUNT ) { |
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111 | end_time = Read_timer(); |
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112 | |
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113 | put_time( |
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114 | "rtems_task_wake_after (context switch)", |
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115 | end_time, |
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116 | OPERATION_COUNT, |
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117 | overhead, |
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118 | CALLING_OVERHEAD_TASK_WAKE_AFTER |
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119 | ); |
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120 | |
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121 | exit( 0 ); |
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122 | } |
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123 | (void) rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); |
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124 | } |
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