rtems/src/ratemongetstatistics.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSImplClassicRateMonotonic
0007  *
0008  * @brief This source file contains the implementation of
0009  *   rtems_rate_monotonic_get_statistics().
0010  */
0011
0012 /*
0013  *  COPYRIGHT (c) 1989-2009.
0014  *  On-Line Applications Research Corporation (OAR).
0015  *  Copyright (c) 2016 embedded brains GmbH & Co. KG
0016  *
0017  * Redistribution and use in source and binary forms, with or without
0018  * modification, are permitted provided that the following conditions
0019  * are met:
0020  * 1. Redistributions of source code must retain the above copyright
0021  *    notice, this list of conditions and the following disclaimer.
0022  * 2. Redistributions in binary form must reproduce the above copyright
0023  *    notice, this list of conditions and the following disclaimer in the
0024  *    documentation and/or other materials provided with the distribution.
0025  *
0026  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0027  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0028  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0029  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0030  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0031  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0032  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0033  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0034  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0035  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0036  * POSSIBILITY OF SUCH DAMAGE.
0037  */
0038
0039 #ifdef HAVE_CONFIG_H
0040 #include "config.h"
0041 #endif
0042
0043 #include <rtems/rtems/ratemonimpl.h>
0044
0045 rtems_status_code rtems_rate_monotonic_get_statistics(
0046   rtems_id                                id,
0047   rtems_rate_monotonic_period_statistics *dst
0048 )
0049 {
0050   Rate_monotonic_Control          *the_period;
0051   ISR_lock_Context                 lock_context;
0052   const Rate_monotonic_Statistics *src;
0053
0054   if ( dst == NULL ) {
0055     return RTEMS_INVALID_ADDRESS;
0056   }
0057
0058   the_period = _Rate_monotonic_Get( id, &lock_context );
0059   if ( the_period == NULL ) {
0060     return RTEMS_INVALID_ID;
0061   }
0062
0063   _Rate_monotonic_Acquire_critical( the_period, &lock_context );
0064
0065   src = &the_period->Statistics;
0066   dst->count        = src->count;
0067   dst->missed_count = src->missed_count;
0068   _Timestamp_To_timespec( &src->min_cpu_time,    &dst->min_cpu_time );
0069   _Timestamp_To_timespec( &src->max_cpu_time,    &dst->max_cpu_time );
0070   _Timestamp_To_timespec( &src->total_cpu_time,  &dst->total_cpu_time );
0071   _Timestamp_To_timespec( &src->min_wall_time,   &dst->min_wall_time );
0072   _Timestamp_To_timespec( &src->max_wall_time,   &dst->max_wall_time );
0073   _Timestamp_To_timespec( &src->total_wall_time, &dst->total_wall_time );
0074
0075   _Rate_monotonic_Release( the_period, &lock_context );
0076   return RTEMS_SUCCESSFUL;
0077 }