diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/src/watchdogtick.c | 60 |
1 files changed, 45 insertions, 15 deletions
diff --git a/cpukit/score/src/watchdogtick.c b/cpukit/score/src/watchdogtick.c index e77ca4e1e1..695fee7e0f 100644 --- a/cpukit/score/src/watchdogtick.c +++ b/cpukit/score/src/watchdogtick.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -8,17 +10,28 @@ */ /* - * Copyright (c) 2015, 2016 embedded brains GmbH. All rights reserved. + * Copyright (C) 2015, 2016 embedded brains GmbH & Co. KG * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> + * 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. */ #ifdef HAVE_CONFIG_H @@ -62,15 +75,21 @@ void _Watchdog_Do_tickle( void _Watchdog_Tick( Per_CPU_Control *cpu ) { - ISR_lock_Context lock_context; - Watchdog_Header *header; - Watchdog_Control *first; - uint64_t ticks; - struct timespec now; + ISR_lock_Context lock_context; + Watchdog_Header *header; + Watchdog_Control *first; + uint64_t ticks; + struct timespec now; + Thread_Control *executing; + const Thread_CPU_budget_operations *cpu_budget_operations; +#ifdef RTEMS_SMP if ( _Per_CPU_Is_boot_processor( cpu ) ) { +#endif ++_Watchdog_Ticks_since_boot; +#ifdef RTEMS_SMP } +#endif _ISR_lock_ISR_disable_and_acquire( &cpu->Watchdog.Lock, &lock_context ); @@ -122,5 +141,16 @@ void _Watchdog_Tick( Per_CPU_Control *cpu ) _ISR_lock_Release_and_ISR_enable( &cpu->Watchdog.Lock, &lock_context ); - _Scheduler_Tick( cpu ); + /* + * Each online processor has at least an idle thread as the executing thread + * even in case it has currently no scheduler assigned. Clock interrupts on + * processors which are not online would be a severe bug of the Clock Driver. + */ + executing = _Per_CPU_Get_executing( cpu ); + _Assert( executing != NULL ); + cpu_budget_operations = executing->CPU_budget.operations; + + if ( cpu_budget_operations != NULL ) { + ( *cpu_budget_operations->at_tick )( executing ); + } } |