[ac7d5ef0] | 1 | /* |
---|
| 2 | * |
---|
[03f2154e] | 3 | * COPYRIGHT (c) 1989-1997. |
---|
[ac7d5ef0] | 4 | * On-Line Applications Research Corporation (OAR). |
---|
[03f2154e] | 5 | * Copyright assigned to U.S. Government, 1994. |
---|
[ac7d5ef0] | 6 | * |
---|
[03f2154e] | 7 | * The license and distribution terms for this file may in |
---|
| 8 | * the file LICENSE in this distribution or at |
---|
| 9 | * http://www.OARcorp.com/rtems/license.html. |
---|
[ac7d5ef0] | 10 | * |
---|
| 11 | * $Id$ |
---|
| 12 | */ |
---|
| 13 | |
---|
[3a4ae6c] | 14 | #define TEST_INIT |
---|
[ac7d5ef0] | 15 | #include "system.h" |
---|
| 16 | |
---|
| 17 | rtems_unsigned32 Task_count; |
---|
| 18 | rtems_task_priority Task_priority; |
---|
| 19 | |
---|
| 20 | rtems_task First_task( |
---|
| 21 | rtems_task_argument argument |
---|
| 22 | ); |
---|
| 23 | |
---|
| 24 | rtems_task Middle_tasks( |
---|
| 25 | rtems_task_argument argument |
---|
| 26 | ); |
---|
| 27 | |
---|
| 28 | rtems_task Last_task( |
---|
| 29 | rtems_task_argument argument |
---|
| 30 | ); |
---|
| 31 | |
---|
| 32 | rtems_task Init( |
---|
| 33 | rtems_task_argument argument |
---|
| 34 | ) |
---|
| 35 | { |
---|
| 36 | rtems_task_entry task_entry; |
---|
| 37 | rtems_unsigned32 index; |
---|
| 38 | rtems_status_code status; |
---|
| 39 | |
---|
[3a4ae6c] | 40 | Print_Warning(); |
---|
| 41 | |
---|
[ac7d5ef0] | 42 | puts( "\n\n*** TIME TEST 17 ***" ); |
---|
| 43 | |
---|
| 44 | Task_priority = 254; |
---|
| 45 | |
---|
| 46 | for( index = 0; index <= OPERATION_COUNT ; index++ ) { |
---|
| 47 | status = rtems_task_create( |
---|
| 48 | rtems_build_name( 'T', 'I', 'M', 'E' ), |
---|
| 49 | Task_priority, |
---|
[3652ad35] | 50 | RTEMS_MINIMUM_STACK_SIZE, |
---|
[ac7d5ef0] | 51 | RTEMS_DEFAULT_MODES, |
---|
| 52 | RTEMS_DEFAULT_ATTRIBUTES, |
---|
| 53 | &Task_id[ index ] |
---|
| 54 | ); |
---|
| 55 | directive_failed( status, "rtems_task_create loop" ); |
---|
| 56 | |
---|
| 57 | if ( index == OPERATION_COUNT ) task_entry = Last_task; |
---|
| 58 | else if ( index == 0 ) task_entry = First_task; |
---|
| 59 | else task_entry = Middle_tasks; |
---|
| 60 | |
---|
| 61 | status = rtems_task_start( Task_id[ index ], task_entry, 0 ); |
---|
| 62 | directive_failed( status, "rtems_task_start loop" ); |
---|
| 63 | } |
---|
| 64 | |
---|
| 65 | Task_count = 1; |
---|
| 66 | status = rtems_task_delete( RTEMS_SELF ); |
---|
| 67 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | rtems_task First_task( |
---|
| 71 | rtems_task_argument argument |
---|
| 72 | ) |
---|
| 73 | { |
---|
| 74 | rtems_task_priority previous_priority; |
---|
| 75 | |
---|
| 76 | Timer_initialize(); |
---|
| 77 | |
---|
| 78 | Task_priority--; |
---|
| 79 | Task_count++; |
---|
| 80 | |
---|
| 81 | (void) rtems_task_set_priority( |
---|
| 82 | Task_id[ Task_count ], |
---|
| 83 | Task_priority, |
---|
| 84 | &previous_priority |
---|
| 85 | ); |
---|
| 86 | } |
---|
| 87 | |
---|
| 88 | rtems_task Middle_tasks( |
---|
| 89 | rtems_task_argument argument |
---|
| 90 | ) |
---|
| 91 | { |
---|
| 92 | rtems_task_priority previous_priority; |
---|
| 93 | |
---|
| 94 | Task_priority--; |
---|
| 95 | Task_count++; |
---|
| 96 | |
---|
| 97 | (void) rtems_task_set_priority( |
---|
| 98 | Task_id[ Task_count ], |
---|
| 99 | Task_priority, |
---|
| 100 | &previous_priority |
---|
| 101 | ); |
---|
| 102 | } |
---|
| 103 | |
---|
| 104 | rtems_task Last_task( |
---|
| 105 | rtems_task_argument argument |
---|
| 106 | ) |
---|
| 107 | { |
---|
| 108 | rtems_unsigned32 index; |
---|
| 109 | |
---|
| 110 | end_time = Read_timer(); |
---|
| 111 | |
---|
| 112 | Timer_initialize(); |
---|
| 113 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
---|
| 114 | (void) Empty_function(); |
---|
| 115 | overhead = Read_timer(); |
---|
| 116 | |
---|
| 117 | put_time( |
---|
[5c491aef] | 118 | "rtems_task_set_priority: preempts caller", |
---|
[ac7d5ef0] | 119 | end_time, |
---|
| 120 | OPERATION_COUNT, |
---|
| 121 | overhead, |
---|
| 122 | CALLING_OVERHEAD_TASK_SET_PRIORITY |
---|
| 123 | ); |
---|
| 124 | |
---|
[3a4ae6c] | 125 | puts( "*** END OF TEST 17 ***" ); |
---|
[ac7d5ef0] | 126 | exit( 0 ); |
---|
| 127 | } |
---|