source:
rtems/testsuites/tmtests/tm24/task1.c
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95a81ab
Last change on this file since 95a81ab was 95a81ab, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:53:55 | |
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1 | /* |
2 | * |
3 | * COPYRIGHT (c) 1989-1999. |
4 | * On-Line Applications Research Corporation (OAR). |
5 | * |
6 | * The license and distribution terms for this file may be |
7 | * found in the file LICENSE in this distribution or at |
8 | * http://www.rtems.com/license/LICENSE. |
9 | * |
10 | * $Id$ |
11 | */ |
12 | |
13 | #define TEST_INIT |
14 | #include "system.h" |
15 | |
16 | rtems_unsigned32 Task_count; |
17 | |
18 | rtems_task Tasks( |
19 | rtems_task_argument argument |
20 | ); |
21 | |
22 | rtems_task High_task( |
23 | rtems_task_argument argument |
24 | ); |
25 | |
26 | rtems_task Init( |
27 | rtems_task_argument argument |
28 | ) |
29 | { |
30 | rtems_id id; |
31 | rtems_unsigned32 index; |
32 | rtems_status_code status; |
33 | |
34 | Print_Warning(); |
35 | |
36 | puts( "\n\n*** TIME TEST 24 ***" ); |
37 | |
38 | status = rtems_task_create( |
39 | rtems_build_name( 'H', 'I', 'G', 'H' ), |
40 | 10, |
41 | RTEMS_MINIMUM_STACK_SIZE, |
42 | RTEMS_DEFAULT_MODES, |
43 | RTEMS_DEFAULT_ATTRIBUTES, |
44 | &id |
45 | ); |
46 | directive_failed( status, "rtems_task_create HIGH" ); |
47 | |
48 | status = rtems_task_start( id, High_task, 0 ); |
49 | directive_failed( status, "rtems_task_create HIGH" ); |
50 | |
51 | for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) { |
52 | status = rtems_task_create( |
53 | rtems_build_name( 'R', 'E', 'S', 'T' ), |
54 | 128, |
55 | RTEMS_MINIMUM_STACK_SIZE, |
56 | RTEMS_DEFAULT_MODES, |
57 | RTEMS_DEFAULT_ATTRIBUTES, |
58 | &id |
59 | ); |
60 | directive_failed( status, "rtems_task_create LOOP" ); |
61 | |
62 | status = rtems_task_start( id, Tasks, 0 ); |
63 | directive_failed( status, "rtems_task_start LOOP" ); |
64 | } |
65 | status = rtems_task_delete( RTEMS_SELF ); |
66 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
67 | } |
68 | |
69 | rtems_task High_task( |
70 | rtems_task_argument argument |
71 | ) |
72 | { |
73 | rtems_status_code status; |
74 | rtems_unsigned32 index; |
75 | |
76 | Timer_initialize(); |
77 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
78 | (void) Empty_function(); |
79 | overhead = Read_timer(); |
80 | |
81 | Timer_initialize(); |
82 | for ( index=1 ; index <= OPERATION_COUNT ; index++ ) |
83 | (void) rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); |
84 | end_time = Read_timer(); |
85 | |
86 | put_time( |
87 | "rtems_task_wake_after: yield -- returns to caller", |
88 | end_time, |
89 | OPERATION_COUNT, |
90 | overhead, |
91 | CALLING_OVERHEAD_TASK_WAKE_AFTER |
92 | ); |
93 | |
94 | Task_count = 0; |
95 | |
96 | status = rtems_task_delete( RTEMS_SELF ); |
97 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
98 | } |
99 | |
100 | rtems_task Tasks( |
101 | rtems_task_argument argument |
102 | ) |
103 | { |
104 | Task_count++; |
105 | |
106 | if ( Task_count == 1 ) |
107 | Timer_initialize(); |
108 | else if ( Task_count == OPERATION_COUNT ) { |
109 | end_time = Read_timer(); |
110 | |
111 | put_time( |
112 | "rtems_task_wake_after: yields -- preempts caller", |
113 | end_time, |
114 | OPERATION_COUNT, |
115 | overhead, |
116 | CALLING_OVERHEAD_TASK_WAKE_AFTER |
117 | ); |
118 | |
119 | puts( "*** END OF TEST 24 ***" ); |
120 | rtems_test_exit( 0 ); |
121 | } |
122 | (void) rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); |
123 | } |
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