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/*
* Rate Monotonic Manager -- Get Statistics
*
* COPYRIGHT (c) 1989-2009.
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/rtems/ratemon.h>
#include <rtems/score/thread.h>
/*
* rtems_rate_monotonic_get_statistics
*
* This directive allows a thread to obtain statistics information on a
* period.
*
* Input parameters:
* id - rate monotonic id
* statistics - pointer to statistics control block
*
* Output parameters:
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*
*/
rtems_status_code rtems_rate_monotonic_get_statistics(
rtems_id id,
rtems_rate_monotonic_period_statistics *statistics
)
{
Objects_Locations location;
Rate_monotonic_Control *the_period;
rtems_rate_monotonic_period_statistics *dst;
Rate_monotonic_Statistics *src;
if ( !statistics )
return RTEMS_INVALID_ADDRESS;
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
dst = statistics;
src = &the_period->Statistics;
dst->count = src->count;
dst->missed_count = src->missed_count;
#ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__
_Timestamp_To_timespec( &src->min_cpu_time, &dst->min_cpu_time );
_Timestamp_To_timespec( &src->max_cpu_time, &dst->max_cpu_time );
_Timestamp_To_timespec( &src->total_cpu_time, &dst->total_cpu_time );
_Timestamp_To_timespec( &src->min_wall_time, &dst->min_wall_time );
_Timestamp_To_timespec( &src->max_wall_time, &dst->max_wall_time );
_Timestamp_To_timespec( &src->total_wall_time, &dst->total_wall_time );
#else
dst->min_cpu_time = src->min_cpu_time;
dst->max_cpu_time = src->max_cpu_time;
dst->total_cpu_time = src->total_cpu_time;
dst->min_wall_time = src->min_wall_time;
dst->max_wall_time = src->max_wall_time;
dst->total_wall_time = src->total_wall_time;
#endif
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE: /* should never return this */
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
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