source:
rtems/testsuites/tmtests/tmck/task1.c
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dcdb62d
Last change on this file since dcdb62d was 95a81ab, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:53:55 | |
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File size: 3.4 KB |
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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 | |
14 | #define TEST_INIT |
15 | #include "system.h" |
16 | |
17 | #define MAXIMUM_DISTRIBUTION 10000 |
18 | |
19 | #undef OPERATION_COUNT |
20 | #define OPERATION_COUNT 100000 |
21 | |
22 | int Distribution[ MAXIMUM_DISTRIBUTION + 1 ]; |
23 | |
24 | rtems_task Task_1( |
25 | rtems_task_argument argument |
26 | ); |
27 | |
28 | void check_read_timer( void ); |
29 | |
30 | rtems_task Init( |
31 | rtems_task_argument argument |
32 | ) |
33 | { |
34 | rtems_id id; |
35 | rtems_status_code status; |
36 | |
37 | /* |
38 | * Tell the Timer Driver what we are doing |
39 | */ |
40 | |
41 | Set_find_average_overhead( 1 ); |
42 | |
43 | Print_Warning(); |
44 | |
45 | puts( "\n\n*** TIME CHECKER ***" ); |
46 | |
47 | Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ), |
48 | |
49 | status = rtems_task_create( |
50 | 1, |
51 | 5, |
52 | RTEMS_MINIMUM_STACK_SIZE, |
53 | RTEMS_DEFAULT_MODES, |
54 | RTEMS_DEFAULT_ATTRIBUTES, |
55 | &id |
56 | ); |
57 | directive_failed( status, "rtems_task_create of TA1" ); |
58 | |
59 | status = rtems_task_start( id, Task_1, 0 ); |
60 | directive_failed( status, "rtems_task_start of TA1" ); |
61 | |
62 | status = rtems_task_delete( RTEMS_SELF ); |
63 | directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); |
64 | } |
65 | |
66 | rtems_task Task_1( |
67 | rtems_task_argument argument |
68 | ) |
69 | { |
70 | rtems_unsigned32 index; |
71 | |
72 | check_read_timer(); |
73 | rtems_test_pause(); |
74 | |
75 | Timer_initialize(); |
76 | end_time = Read_timer(); |
77 | |
78 | put_time( |
79 | "NULL timer stopped at", |
80 | end_time, |
81 | 1, |
82 | 0, |
83 | 0 |
84 | ); |
85 | |
86 | Timer_initialize(); |
87 | for ( index = 1 ; index <= 1000 ; index++ ) |
88 | (void) Empty_function(); |
89 | end_time = Read_timer(); |
90 | |
91 | put_time( |
92 | "LOOP (1000) timer stopped at", |
93 | end_time, |
94 | 1, |
95 | 0, |
96 | 0 |
97 | ); |
98 | |
99 | Timer_initialize(); |
100 | for ( index = 1 ; index <= 10000 ; index++ ) |
101 | (void) Empty_function(); |
102 | end_time = Read_timer(); |
103 | |
104 | put_time( |
105 | "LOOP (10000) timer stopped at", |
106 | end_time, |
107 | 1, |
108 | 0, |
109 | 0 |
110 | ); |
111 | |
112 | Timer_initialize(); |
113 | for ( index = 1 ; index <= 50000 ; index++ ) |
114 | (void) Empty_function(); |
115 | end_time = Read_timer(); |
116 | |
117 | put_time( |
118 | "LOOP (50000) timer stopped at", |
119 | end_time, |
120 | 1, |
121 | 0, |
122 | 0 |
123 | ); |
124 | |
125 | Timer_initialize(); |
126 | for ( index = 1 ; index <= 100000 ; index++ ) |
127 | (void) Empty_function(); |
128 | end_time = Read_timer(); |
129 | |
130 | put_time( |
131 | "LOOP (100000) timer stopped at", |
132 | end_time, |
133 | 1, |
134 | 0, |
135 | 0 |
136 | ); |
137 | |
138 | puts( "*** END OF TIME CHECKER ***" ); |
139 | rtems_test_exit( 0 ); |
140 | } |
141 | |
142 | void check_read_timer() |
143 | { |
144 | rtems_unsigned32 index; |
145 | rtems_unsigned32 time; |
146 | |
147 | for ( index = 1 ; index <= MAXIMUM_DISTRIBUTION ; index++ ) |
148 | Distribution[ index ] = 0; |
149 | |
150 | for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) { |
151 | Timer_initialize(); |
152 | end_time = Read_timer(); |
153 | if ( end_time > MAXIMUM_DISTRIBUTION ) { |
154 | /* |
155 | * Under UNIX a simple process swap takes longer than we |
156 | * consider valid for our testing purposes. |
157 | */ |
158 | printf( "TOO LONG (%d) at index %d!!!\n", end_time, index ); |
159 | #if defined(unix) |
160 | index--; |
161 | continue; |
162 | #else |
163 | rtems_test_exit( 1 ); |
164 | #endif |
165 | } |
166 | else |
167 | Distribution[ end_time ]++; |
168 | } |
169 | |
170 | printf( "Units may not be in microseconds for this test!!!\n" ); |
171 | time = 0; |
172 | for ( index = 0 ; index <= MAXIMUM_DISTRIBUTION ; index++ ) { |
173 | time += (Distribution[ index ] * index); |
174 | if ( Distribution[ index ] != 0 ) |
175 | printf( "%d %d\n", index, Distribution[ index ] ); |
176 | } |
177 | printf( "Total time = %d\n", time ); |
178 | printf( "Average time = %d\n", time / OPERATION_COUNT ); |
179 | } |
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