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/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/cpuuse.h>
#include <rtems/print.h>
#include <ctype.h>
#include <inttypes.h>
#include <rtems/score/schedulerimpl.h>
static char bits_to_char( uint8_t bits )
{
return isprint( bits ) ? (char) bits : '?';
}
static void name_to_str( uint32_t name, char str[ 5 ] )
{
str[ 0 ] = bits_to_char( (uint8_t) ( name >> 24 ) );
str[ 1 ] = bits_to_char( (uint8_t) ( name >> 16 ) );
str[ 2 ] = bits_to_char( (uint8_t) ( name >> 8 ) );
str[ 3 ] = bits_to_char( (uint8_t) ( name >> 0 ) );
str[ 4 ] = '\0';
}
int rtems_cpu_info_report( const rtems_printer *printer )
{
uint32_t cpu_max;
uint32_t cpu_index;
int n;
cpu_max = rtems_configuration_get_maximum_processors();
n = rtems_printf(
printer,
"-------------------------------------------------------------------------------\n"
" PER PROCESSOR INFORMATION\n"
"-------+--------+--------------+-----------------------------------------------\n"
" INDEX | ONLINE | SCHEDULER ID | SCHEDULER NAME\n"
"-------+--------+--------------+-----------------------------------------------\n"
);
for ( cpu_index = 0; cpu_index < cpu_max; ++cpu_index ) {
const Per_CPU_Control *cpu;
const Scheduler_Control *scheduler;
char scheduler_str[ 5 ];
uint32_t scheduler_id;
cpu = _Per_CPU_Get_by_index( cpu_index );
scheduler = _Scheduler_Get_by_CPU( cpu );
if ( scheduler != NULL ) {
scheduler_id = _Scheduler_Build_id( _Scheduler_Get_index( scheduler ) );
name_to_str( scheduler->name, scheduler_str );
} else {
scheduler_id = 0;
scheduler_str[ 0 ] = '\0';
}
n += rtems_printf(
printer,
" %5" PRIu32 " | %6i | 0x%08" PRIx32 " | %s\n",
cpu_index,
_Per_CPU_Is_processor_online( cpu ),
scheduler_id,
&scheduler_str[ 0 ]
);
}
return n;
}
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