source: rtems/c/src/tests/tmtests/tmck/task1.c @ 3652ad35

4.104.114.84.95
Last change on this file since 3652ad35 was 3652ad35, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 19, 1995 at 2:53:29 PM

Minor bug fixes to get all targets compilable and running. The
single biggest changes were the expansion of the workspace size
macro to include other types of objects and the increase in the
minimum stack size for most CPUs.

  • Property mode set to 100644
File size: 3.6 KB
Line 
1/*
2 *
3 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
4 *  On-Line Applications Research Corporation (OAR).
5 *  All rights assigned to U.S. Government, 1994.
6 *
7 *  This material may be reproduced by or for the U.S. Government pursuant
8 *  to the copyright license under the clause at DFARS 252.227-7013.  This
9 *  notice must appear in all copies of this file and its derivatives.
10 *
11 *  $Id$
12 */
13
14
15#define TEST_INIT
16#include "system.h"
17
18#define MAXIMUM_DISTRIBUTION 10000
19
20#undef OPERATION_COUNT
21#define OPERATION_COUNT    100000
22
23int Distribution[ MAXIMUM_DISTRIBUTION + 1 ];
24
25rtems_task Task_1(
26  rtems_task_argument argument
27);
28
29void check_read_timer( void );
30
31rtems_task Init(
32  rtems_task_argument argument
33)
34{
35  rtems_id          id;
36  rtems_status_code status;
37
38  /*
39   *  Tell the Timer Driver what we are doing
40   */
41
42  Set_find_average_overhead( 1 );
43
44  Print_Warning();
45
46  puts( "\n\n*** TIME CHECKER ***" );
47
48  Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ),
49
50  status = rtems_task_create(
51    1,
52    5,
53    RTEMS_MINIMUM_STACK_SIZE,
54    RTEMS_DEFAULT_MODES,
55    RTEMS_DEFAULT_ATTRIBUTES,
56    &id
57  );
58  directive_failed( status, "rtems_task_create of TA1" );
59
60  status = rtems_task_start( id, Task_1, 0 );
61  directive_failed( status, "rtems_task_start of TA1" );
62
63  status = rtems_task_delete( RTEMS_SELF );
64  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
65}
66
67rtems_task Task_1(
68  rtems_task_argument argument
69)
70{
71  rtems_unsigned32 index;
72
73  check_read_timer();
74pause();
75
76  Timer_initialize();
77  end_time = Read_timer();
78
79  put_time(
80    "NULL timer stopped at",
81    end_time,
82    1,
83    0,
84    0
85  );
86
87  Timer_initialize();
88  for ( index = 1 ; index <= 1000 ; index++ )
89    (void) Empty_function();
90  end_time = Read_timer();
91
92  put_time(
93    "LOOP (1000) timer stopped at",
94    end_time,
95    1,
96    0,
97    0
98  );
99
100  Timer_initialize();
101  for ( index = 1 ; index <= 10000 ; index++ )
102    (void) Empty_function();
103  end_time = Read_timer();
104
105  put_time(
106    "LOOP (10000) timer stopped at",
107    end_time,
108    1,
109    0,
110    0
111  );
112
113  Timer_initialize();
114  for ( index = 1 ; index <= 50000 ; index++ )
115    (void) Empty_function();
116  end_time = Read_timer();
117
118  put_time(
119    "LOOP (50000) timer stopped at",
120    end_time,
121    1,
122    0,
123    0
124  );
125
126  Timer_initialize();
127  for ( index = 1 ; index <= 100000 ; index++ )
128    (void) Empty_function();
129  end_time = Read_timer();
130
131  put_time(
132    "LOOP (100000) timer stopped at",
133    end_time,
134    1,
135    0,
136    0
137  );
138
139  puts( "*** END OF TIME CHECKER ***" );
140  exit( 0 );
141}
142
143void check_read_timer()
144{
145  rtems_unsigned32 index;
146  rtems_unsigned32 time;
147
148  for ( index = 1 ; index <= MAXIMUM_DISTRIBUTION ; index++ )
149    Distribution[ index ] = 0;
150
151  for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) {
152    Timer_initialize();
153    end_time = Read_timer();
154    if ( end_time > MAXIMUM_DISTRIBUTION ) {
155      /*
156       *  Under UNIX a simple process swap takes longer than we
157       *  consider valid for our testing purposes.
158       */
159      printf( "TOO LONG (%d) at index %d!!!\n", end_time, index );
160#if defined(unix) || defined(go32)
161      index--; 
162      continue;
163#else
164      exit( 1 );
165#endif
166    }
167    else
168      Distribution[ end_time ]++;
169  }
170
171  printf( "Units may not be in microseconds for this test!!!\n" );
172  time = 0;
173  for ( index = 0 ; index <= MAXIMUM_DISTRIBUTION ; index++ ) {
174    time += (Distribution[ index ] * index);
175    if ( Distribution[ index ] != 0 )
176      printf( "%d %d\n", index, Distribution[ index ] );
177  }
178  printf( "Total time = %d\n", time );
179  printf( "Average time = %d\n", time / OPERATION_COUNT );
180}
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