source: rtems/cpukit/libmisc/cpuuse/cpuuse.c @ 0e111b7

Last change on this file since 0e111b7 was 3523321, checked in by Joel Sherrill <joel.sherrill@…>, on 08/30/06 at 13:53:02

2006-08-30 Joel Sherrill <joel@…>

  • libmisc/cpuuse/cpuuse.c, libmisc/monitor/mon-command.c, libmisc/monitor/mon-driver.c, libmisc/monitor/mon-symbols.c, libmisc/rtmonuse/rtmonuse.c, libmisc/stackchk/check.c, libnetworking/libc/res_debug.c, telnetd/telnetd.c: Remove printf format warnings.
  • Property mode set to 100644
File size: 3.5 KB
Line 
1/*
2 *  CPU Usage Reporter
3 *
4 *  COPYRIGHT (c) 1989-1999. 1996.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.rtems.com/license/LICENSE.
10 *
11 *  cpuuse.c,v 1.20 2004/04/17 08:12:01 ralf Exp
12 *
13 */
14
15#ifdef HAVE_CONFIG_H
16#include "config.h"
17#endif
18
19#include <rtems.h>
20
21#include <assert.h>
22#include <stdio.h>
23#include <string.h>
24#include <stdlib.h>
25#include <ctype.h>
26#include <inttypes.h>
27
28#include <rtems/cpuuse.h>
29
30uint32_t   CPU_usage_Ticks_at_last_reset;
31
32/*PAGE
33 *
34 *  CPU_usage_Dump
35 */
36
37void CPU_usage_Dump( void )
38{
39  uint32_t             i;
40  uint32_t             api_index;
41  Thread_Control      *the_thread;
42  Objects_Information *information;
43  uint32_t             u32_name;
44  char                *cname;
45  char                 name[5];
46  uint32_t             ival, fval;
47  uint32_t             total_units = 0;
48
49  for ( api_index = 1 ;
50        api_index <= OBJECTS_APIS_LAST ;
51        api_index++ ) {
52    if ( !_Objects_Information_table[ api_index ] )
53      continue;
54    information = _Objects_Information_table[ api_index ][ 1 ];
55    if ( information ) {
56      for ( i=1 ; i <= information->maximum ; i++ ) {
57        the_thread = (Thread_Control *)information->local_table[ i ];
58
59        if ( the_thread )
60          total_units += the_thread->ticks_executed;
61      }
62    }
63  }
64
65  fprintf(stdout,"CPU Usage by thread\n");
66  fprintf(stdout, "   ID        NAME        TICKS    PERCENT\n" );
67
68  for ( api_index = 1 ;
69        api_index <= OBJECTS_APIS_LAST ;
70        api_index++ ) {
71    if ( !_Objects_Information_table[ api_index ] )
72      continue;
73    information = _Objects_Information_table[ api_index ][ 1 ];
74    if ( information ) {
75      for ( i=1 ; i <= information->maximum ; i++ ) {
76        the_thread = (Thread_Control *)information->local_table[ i ];
77
78        if ( !the_thread )
79          continue;
80
81        if ( information->is_string ) {
82          cname = the_thread->Object.name;
83          name[ 0 ] = cname[0];
84          name[ 1 ] = cname[1];
85          name[ 2 ] = cname[2];
86          name[ 3 ] = cname[3];
87          name[ 4 ] = '\0';
88        } else {
89          u32_name = (uint32_t  )the_thread->Object.name;
90          name[ 0 ] = (u32_name >> 24) & 0xff;
91          name[ 1 ] = (u32_name >> 16) & 0xff;
92          name[ 2 ] = (u32_name >>  8) & 0xff;
93          name[ 3 ] = (u32_name >>  0) & 0xff;
94          name[ 4 ] = '\0';
95        }
96
97        if ( !isprint(name[0]) ) name[0] = '*';
98        if ( !isprint(name[1]) ) name[1] = '*';
99        if ( !isprint(name[2]) ) name[2] = '*';
100        if ( !isprint(name[3]) ) name[3] = '*';
101
102        ival = total_units ?
103                 the_thread->ticks_executed * 10000 / total_units : 0;
104        fval = ival % 100;
105        ival /= 100;
106        fprintf(stdout,
107          "0x%08" PRIu32 "   %4s    %8" PRId32 "     %3" PRId32
108             ".%2.2" PRId32"\n",
109          the_thread->Object.id,
110          name,
111          the_thread->ticks_executed,
112          ival,
113          fval
114        );
115      }
116    }
117  }
118
119  fprintf(stdout,
120    "\nTicks since last reset = %" PRId32 "\n",
121    _Watchdog_Ticks_since_boot - CPU_usage_Ticks_at_last_reset
122  );
123  fprintf(stdout, "\nTotal Units = %" PRId32 "\n", total_units );
124}
125
126/*PAGE
127 *
128 *  CPU_usage_Reset
129 */
130
131static void CPU_usage_Per_thread_handler(
132  Thread_Control *the_thread
133)
134{
135  the_thread->ticks_executed = 0;
136}
137
138void CPU_usage_Reset( void )
139{
140  CPU_usage_Ticks_at_last_reset = _Watchdog_Ticks_since_boot;
141
142  rtems_iterate_over_all_threads(CPU_usage_Per_thread_handler);
143}
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