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
|
/*
* CPU Usage Reporter
*
* COPYRIGHT (c) 1989-2007
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <inttypes.h>
#include <rtems/cpuuse.h>
#include <rtems/bspIo.h>
#if defined(RTEMS_ENABLE_NANOSECOND_RATE_MONOTONIC_STATISTICS) || \
defined(RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS)
#include <rtems/score/timespec.h>
/* We print to 1/10's of milliseconds */
#define NANOSECONDS_DIVIDER 100000
#define PERCENT_FMT "%04" PRId32
#endif
#ifndef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
uint32_t CPU_usage_Ticks_at_last_reset;
#endif
/*PAGE
*
* rtems_cpu_usage_report
*/
void rtems_cpu_usage_report( void )
{
uint32_t i;
uint32_t api_index;
Thread_Control *the_thread;
Objects_Information *information;
char name[5];
uint32_t ival, fval;
#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
struct timespec uptime;
#else
uint32_t total_units = 0;
#endif
/*
* When not using nanosecond CPU usage resolution, we have to count
* the number of "ticks" we gave credit for to give the user a rough
* guideline as to what each number means proportionally.
*/
#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
_TOD_Get_uptime( &uptime );
#else
for ( api_index = 1 ; api_index <= OBJECTS_APIS_LAST ; api_index++ ) {
if ( !_Objects_Information_table[ api_index ] )
continue;
information = _Objects_Information_table[ api_index ][ 1 ];
if ( information ) {
for ( i=1 ; i <= information->maximum ; i++ ) {
the_thread = (Thread_Control *)information->local_table[ i ];
if ( the_thread )
total_units += the_thread->ticks_executed;
}
}
}
#endif
printk( "CPU Usage by thread\n"
#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
" ID NAME SECONDS PERCENT\n"
#else
" ID NAME TICKS PERCENT\n"
#endif
);
for ( api_index = 1 ;
api_index <= OBJECTS_APIS_LAST ;
api_index++ ) {
if ( !_Objects_Information_table[ api_index ] )
continue;
information = _Objects_Information_table[ api_index ][ 1 ];
if ( information ) {
for ( i=1 ; i <= information->maximum ; i++ ) {
the_thread = (Thread_Control *)information->local_table[ i ];
if ( !the_thread )
continue;
rtems_object_get_name( the_thread->Object.id, sizeof(name), name );
printk( "0x%08" PRIx32 " %4s ", the_thread->Object.id, name );
#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
_Timespec_Divide( &the_thread->cpu_time_used, &uptime, &ival, &fval );
printk(
"%" PRId32 ".%06d" /* cpu time used */
" %3" PRId32 ".%02" PRId32 "\n", /* percentage */
the_thread->cpu_time_used.tv_sec,
the_thread->cpu_time_used.tv_nsec /
TOD_NANOSECONDS_PER_MICROSECOND,
ival,
fval
);
#else
ival = (total_units) ?
the_thread->ticks_executed * 10000 / total_units : 0;
fval = ival % 100;
ival /= 100;
printk(
"%8" PRId32 " %3" PRId32 ".%02" PRId32"\n",
the_thread->ticks_executed,
ival,
fval
);
#endif
}
}
}
#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
printk( "Uptime %d.%06d seconds\n\n",
uptime.tv_sec,
uptime.tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND
);
#else
printk(
"Ticks since last reset = %" PRId32 "\n",
_Watchdog_Ticks_since_boot - CPU_usage_Ticks_at_last_reset
);
printk( "Total Units = %" PRId32 "\n\n", total_units );
#endif
}
|