forked from Imagelibrary/rtems
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSImplCPUUsageReporting
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*
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* @brief This source file contains the definition of
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* rtems_cpu_usage_reset().
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*/
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/*
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* COPYRIGHT (c) 1989-2009
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* On-Line Applications Research Corporation (OAR).
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/cpuuse.h>
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#include <rtems/cpuuseimpl.h>
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#include <rtems/rtems/scheduler.h>
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#include <rtems/score/percpu.h>
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#include <rtems/score/todimpl.h>
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#include <rtems/score/schedulerimpl.h>
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#include <rtems/score/watchdogimpl.h>
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static bool CPU_usage_Per_thread_handler(
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Thread_Control *the_thread,
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void *arg
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)
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{
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const Scheduler_Control *scheduler;
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ISR_lock_Context state_lock_context;
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ISR_lock_Context scheduler_lock_context;
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_Thread_State_acquire( the_thread, &state_lock_context );
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scheduler = _Thread_Scheduler_get_home( the_thread );
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_Scheduler_Acquire_critical( scheduler, &scheduler_lock_context );
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the_thread->cpu_time_used_at_last_reset =
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_Thread_Get_CPU_time_used_locked( the_thread );
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_Scheduler_Release_critical( scheduler, &scheduler_lock_context );
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_Thread_State_release( the_thread, &state_lock_context );
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return false;
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}
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/*
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* rtems_cpu_usage_reset
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*/
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void rtems_cpu_usage_reset( void )
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{
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uint32_t cpu_count;
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uint32_t cpu_index;
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_TOD_Get_uptime( &CPU_usage_Uptime_at_last_reset );
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cpu_count = rtems_scheduler_get_processor_maximum();
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for ( cpu_index = 0 ; cpu_index < cpu_count ; ++cpu_index ) {
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Per_CPU_Control *cpu = _Per_CPU_Get_by_index( cpu_index );
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cpu->cpu_usage_timestamp = CPU_usage_Uptime_at_last_reset;
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}
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rtems_task_iterate(CPU_usage_Per_thread_handler, NULL);
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}
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