source: rtems/cpukit/libmisc/cpuuse/cpuuse.c @ 60b791ad

4.104.114.84.9
Last change on this file since 60b791ad was 60b791ad, checked in by Joel Sherrill <joel.sherrill@…>, on Feb 17, 1998 at 11:46:28 PM

updated copyright to 1998

  • Property mode set to 100644
File size: 3.5 KB
Line 
1/*
2 *  CPU Usage Reporter
3 *
4 *  COPYRIGHT (c) 1989-1998. 1996.
5 *  On-Line Applications Research Corporation (OAR).
6 *  Copyright assigned to U.S. Government, 1994.
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.OARcorp.com/rtems/license.html.
11 *
12 *  $Id$
13 *
14 */
15
16#include <rtems.h>
17
18extern rtems_configuration_table BSP_Configuration;
19
20#include <assert.h>
21#include <stdio.h>
22#include <string.h>
23#include <stdlib.h>
24
25#include "cpuuse.h"
26
27unsigned32 CPU_usage_Ticks_at_last_reset;
28
29/*PAGE
30 *
31 *  CPU_usage_Dump
32 */
33
34void CPU_usage_Dump( void )
35{
36  unsigned32           i;
37  unsigned32           class_index;
38  Thread_Control      *the_thread;
39  Objects_Information *information;
40  unsigned32           u32_name;
41  char                 name[5];
42  unsigned32           total_units = 0;
43
44  for ( class_index = OBJECTS_CLASSES_FIRST ;
45        class_index <= OBJECTS_CLASSES_LAST ;
46        class_index++ ) {
47    information = _Objects_Information_table[ class_index ];
48    if ( information && information->is_thread ) {
49      for ( i=1 ; i <= information->maximum ; i++ ) {
50        the_thread = (Thread_Control *)information->local_table[ i ];
51 
52        if ( the_thread )
53          total_units += the_thread->ticks_executed;
54      }
55    }
56  }
57
58  printf("CPU Usage by thread\n");
59#if defined(unix) || ( CPU_HARDWARE_FP == TRUE )
60  printf( "   ID        NAME        TICKS    PERCENT\n" );
61#else
62  printf( "   ID        NAME        TICKS\n" );
63#endif
64
65  for ( class_index = OBJECTS_CLASSES_FIRST ; 
66        class_index <= OBJECTS_CLASSES_LAST ; 
67        class_index++ ) {
68    information = _Objects_Information_table[ class_index ];
69    if ( information && information->is_thread ) {
70      for ( i=1 ; i <= information->maximum ; i++ ) {
71        the_thread = (Thread_Control *)information->local_table[ i ];
72       
73        if ( !the_thread )
74          continue;
75
76        u32_name = *(unsigned32 *)the_thread->Object.name;
77
78        name[ 0 ] = (u32_name >> 24) & 0xff;
79        name[ 1 ] = (u32_name >> 16) & 0xff;
80        name[ 2 ] = (u32_name >>  8) & 0xff;
81        name[ 3 ] = (u32_name >>  0) & 0xff;
82        name[ 4 ] = '\0';
83
84#if defined(unix) || ( CPU_HARDWARE_FP == TRUE )
85        printf( "0x%08x   %4s    %8d     %5.3f\n",
86          the_thread->Object.id,
87          name,
88          the_thread->ticks_executed,
89          (total_units) ? 
90            (double)the_thread->ticks_executed / (double)total_units :
91            (double)total_units
92        );
93#else
94        printf( "0x%08x   %4s   %8d\n",
95          the_thread->Object.id,
96          name,
97          the_thread->ticks_executed
98        );
99#endif
100      }
101    }
102  }
103
104  printf(
105    "\nTicks since last reset = %d\n",
106    _Watchdog_Ticks_since_boot - CPU_usage_Ticks_at_last_reset
107  );
108  printf( "\nTotal Units = %d\n", total_units );
109}
110
111/*PAGE
112 *
113 *  CPU_usage_Reset
114 */
115
116void CPU_usage_Reset( void )
117{
118  unsigned32           i;
119  unsigned32           class_index;
120  Thread_Control      *the_thread;
121  Objects_Information *information;
122 
123  CPU_usage_Ticks_at_last_reset = _Watchdog_Ticks_since_boot;
124
125  for ( class_index = OBJECTS_CLASSES_FIRST ;
126        class_index <= OBJECTS_CLASSES_LAST ;
127        class_index++ ) {
128    information = _Objects_Information_table[ class_index ];
129    if ( information && information->is_thread ) {
130      for ( i=1 ; i <= information->maximum ; i++ ) {
131        the_thread = (Thread_Control *)information->local_table[ i ];
132 
133        if ( !the_thread )
134          continue;
135 
136        the_thread->ticks_executed = 0;
137      }
138    }
139  }
140 
141}
142
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