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/*
* CPU Usage Reporter
*
* COPYRIGHT (c) 1989-1999. 1996.
* 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.
*
* cpuuse.c,v 1.20 2004/04/17 08:12:01 ralf Exp
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <inttypes.h>
#include <rtems/cpuuse.h>
uint32_t CPU_usage_Ticks_at_last_reset;
/*PAGE
*
* CPU_usage_Dump
*/
void CPU_usage_Dump( void )
{
uint32_t i;
uint32_t api_index;
Thread_Control *the_thread;
Objects_Information *information;
uint32_t u32_name;
char *cname;
char name[5];
uint32_t ival, fval;
uint32_t total_units = 0;
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;
}
}
}
fprintf(stdout,"CPU Usage by thread\n");
fprintf(stdout, " ID NAME TICKS PERCENT\n" );
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;
if ( information->is_string ) {
cname = the_thread->Object.name;
name[ 0 ] = cname[0];
name[ 1 ] = cname[1];
name[ 2 ] = cname[2];
name[ 3 ] = cname[3];
name[ 4 ] = '\0';
} else {
u32_name = (uint32_t )the_thread->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] = '*';
ival = total_units ?
the_thread->ticks_executed * 10000 / total_units : 0;
fval = ival % 100;
ival /= 100;
fprintf(stdout,
"0x%08" PRIu32 " %4s %8" PRId32 " %3" PRId32
".%2.2" PRId32"\n",
the_thread->Object.id,
name,
the_thread->ticks_executed,
ival,
fval
);
}
}
}
fprintf(stdout,
"\nTicks since last reset = %" PRId32 "\n",
_Watchdog_Ticks_since_boot - CPU_usage_Ticks_at_last_reset
);
fprintf(stdout, "\nTotal Units = %" PRId32 "\n", total_units );
}
/*PAGE
*
* CPU_usage_Reset
*/
static void CPU_usage_Per_thread_handler(
Thread_Control *the_thread
)
{
the_thread->ticks_executed = 0;
}
void CPU_usage_Reset( void )
{
CPU_usage_Ticks_at_last_reset = _Watchdog_Ticks_since_boot;
rtems_iterate_over_all_threads(CPU_usage_Per_thread_handler);
}
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