diff options
Diffstat (limited to 'cpukit/include/rtems/score/smplockstats.h')
| -rw-r--r-- | cpukit/include/rtems/score/smplockstats.h | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/cpukit/include/rtems/score/smplockstats.h b/cpukit/include/rtems/score/smplockstats.h index 5ff47ec01e..913d551418 100644 --- a/cpukit/include/rtems/score/smplockstats.h +++ b/cpukit/include/rtems/score/smplockstats.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -8,11 +10,28 @@ */ /* - * Copyright (c) 2013, 2018 embedded brains GmbH + * Copyright (C) 2013, 2018 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. * - * 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. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _RTEMS_SCORE_SMPLOCKSTATS_H @@ -216,7 +235,7 @@ static inline void _SMP_lock_Stats_acquire_end( second = _CPU_Counter_read(); stats_context->acquire_instant = second; - delta = _CPU_Counter_difference( second, acquire_context->first ); + delta = second - acquire_context->first; ++stats->usage_count; @@ -251,7 +270,7 @@ static inline void _SMP_lock_Stats_release_update( stats = stats_context->stats; first = stats_context->acquire_instant; second = _CPU_Counter_read(); - delta = _CPU_Counter_difference( second, first ); + delta = second - first; stats->total_section_time += delta; |