blob: bd1d4b38b0ed25cc187697f1ce27c28f600ed55d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems.h>
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <ctype.h>
#include <rtems/rtmonuse.h>
typedef struct {
rtems_id id;
unsigned32 count;
unsigned32 missed_count;
unsigned32 min_cpu_time;
unsigned32 max_cpu_time;
unsigned32 total_cpu_time;
unsigned32 min_wall_time;
unsigned32 max_wall_time;
unsigned32 total_wall_time;
} Period_usage_t;
Period_usage_t *Period_usage_Information;
/*PAGE
*
* Period_usage_Initialize
*/
void Period_usage_Initialize( void )
{
int maximum;
maximum = _Configuration_Table->RTEMS_api_configuration->maximum_periods;
Period_usage_Information = malloc( sizeof(Period_usage_t) * (maximum+1) );
Period_usage_Reset();
}
/*PAGE
*
* Period_usage_Reset
*/
void Period_usage_Reset( void )
{
unsigned32 i;
Period_usage_t *the_usage;
for ( i=0 ;
i<_Configuration_Table->RTEMS_api_configuration->maximum_periods ;
i++ ) {
the_usage = &Period_usage_Information[ i ];
the_usage->count = 0;
the_usage->missed_count = 0;
the_usage->min_cpu_time = 0xFFFFFFFF;
the_usage->max_cpu_time = 0;
the_usage->total_cpu_time = 0;
the_usage->min_wall_time = 0xFFFFFFFF;
the_usage->max_wall_time = 0;
the_usage->total_wall_time = 0;
}
}
/*PAGE
*
* Period_usage_Update
*/
void Period_usage_Update(
rtems_id id
)
{
rtems_rate_monotonic_period_status rm_status;
rtems_status_code status;
Period_usage_t *the_usage;
assert( Period_usage_Information );
status = rtems_rate_monotonic_get_status( id, &rm_status );
assert( status == RTEMS_SUCCESSFUL );
the_usage = &Period_usage_Information[ rtems_get_index( id ) ];
the_usage->id = id;
the_usage->count++;
if ( rm_status.state == RATE_MONOTONIC_EXPIRED )
the_usage->missed_count++;
the_usage->total_cpu_time += rm_status.ticks_executed_since_last_period;
the_usage->total_wall_time += rm_status.ticks_since_last_period;
/*
* Update CPU time
*/
if ( rm_status.ticks_executed_since_last_period < the_usage->min_cpu_time )
the_usage->min_cpu_time = rm_status.ticks_executed_since_last_period;
if ( rm_status.ticks_executed_since_last_period > the_usage->max_cpu_time )
the_usage->max_cpu_time = rm_status.ticks_executed_since_last_period;
/*
* Update Wall time
*/
if ( rm_status.ticks_since_last_period < the_usage->min_wall_time )
the_usage->min_wall_time = rm_status.ticks_since_last_period;
if ( rm_status.ticks_since_last_period > the_usage->max_wall_time )
the_usage->max_wall_time = rm_status.ticks_since_last_period;
}
/*PAGE
*
* Period_usage_Dump
*/
void Period_usage_Dump( void )
{
unsigned32 i;
Period_usage_t *the_usage;
Rate_monotonic_Control *the_period;
unsigned32 u32_name;
char *cname;
char name[5];
unsigned32 api_index;
Objects_Information *information;
if ( !Period_usage_Information ) {
printf( "Period statistics library is not initialized\n" );
return;
}
printf( "Period information by period\n" );
printf( " ID OWNER PERIODS MISSED CPU TIME WALL TIME\n" );
/*
* RTEMS does not use an index of zero for object ids.
*/
for ( i=1 ;
i<=_Configuration_Table->RTEMS_api_configuration->maximum_periods ;
i++ ) {
the_usage = &Period_usage_Information[ i ];
if ( the_usage->count == 0 )
continue;
the_period =
(Rate_monotonic_Control *)_Rate_monotonic_Information.local_table[ i ];
name[ 0 ] = ' ';
name[ 1 ] = ' ';
name[ 2 ] = ' ';
name[ 3 ] = ' ';
name[ 4 ] = '\0';
if ( the_period->owner ) {
api_index = _Objects_Get_API(the_period->owner->Object.id);
information = _Objects_Information_table[ api_index ][ 1 ];
if ( information->is_string ) {
cname = the_period->owner->Object.name;
name[ 0 ] = cname[0];
name[ 1 ] = cname[1];
name[ 2 ] = cname[2];
name[ 3 ] = cname[3];
name[ 4 ] = '\0';
} else {
u32_name = (unsigned32)the_period->owner->Object.name;
name[ 0 ] = (u32_name >> 24) & 0xff;
name[ 1 ] = (u32_name >> 16) & 0xff;
name[ 2 ] = (u32_name >> 8) & 0xff;
name[ 3 ] = (u32_name >> 0) & 0xff;
name[ 4 ] = '\0';
}
}
if ( !isprint(name[0]) ) name[0] = '*';
if ( !isprint(name[1]) ) name[1] = '*';
if ( !isprint(name[2]) ) name[2] = '*';
if ( !isprint(name[3]) ) name[3] = '*';
printf(
"0x%08x %4s %6d %3d %d/%d/%5.2f %d/%d/%3.2f\n",
the_usage->id,
name,
the_usage->count,
the_usage->missed_count,
the_usage->min_cpu_time,
the_usage->max_cpu_time,
(double) the_usage->total_cpu_time / (double) the_usage->count,
the_usage->min_wall_time,
the_usage->max_wall_time,
(double) the_usage->total_wall_time / (double) the_usage->count
);
}
}
|
