127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file chstats.c
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* @brief Statistics module code.
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*
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* @addtogroup statistics
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* @details Statistics services.
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* @{
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*/
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#include "ch.h"
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#if (CH_DBG_STATISTICS == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Module local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported functions. */
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/*===========================================================================*/
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/**
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* @brief Initializes the statistics module.
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*
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* @init
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*/
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void _stats_init(void) {
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ch.kernel_stats.n_irq = (ucnt_t)0;
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ch.kernel_stats.n_ctxswc = (ucnt_t)0;
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chTMObjectInit(&ch.kernel_stats.m_crit_thd);
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chTMObjectInit(&ch.kernel_stats.m_crit_isr);
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}
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/**
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* @brief Increases the IRQ counter.
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*/
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void _stats_increase_irq(void) {
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port_lock_from_isr();
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ch.kernel_stats.n_irq++;
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port_unlock_from_isr();
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}
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/**
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* @brief Updates context switch related statistics.
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*
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* @param[in] ntp the thread to be switched in
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* @param[in] otp the thread to be switched out
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*/
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void _stats_ctxswc(thread_t *ntp, thread_t *otp) {
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ch.kernel_stats.n_ctxswc++;
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chTMChainMeasurementToX(&otp->stats, &ntp->stats);
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}
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/**
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* @brief Starts the measurement of a thread critical zone.
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*/
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void _stats_start_measure_crit_thd(void) {
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chTMStartMeasurementX(&ch.kernel_stats.m_crit_thd);
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}
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/**
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* @brief Stops the measurement of a thread critical zone.
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*/
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void _stats_stop_measure_crit_thd(void) {
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chTMStopMeasurementX(&ch.kernel_stats.m_crit_thd);
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}
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/**
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* @brief Starts the measurement of an ISR critical zone.
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*/
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void _stats_start_measure_crit_isr(void) {
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chTMStartMeasurementX(&ch.kernel_stats.m_crit_isr);
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}
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/**
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* @brief Stops the measurement of an ISR critical zone.
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*/
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void _stats_stop_measure_crit_isr(void) {
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chTMStopMeasurementX(&ch.kernel_stats.m_crit_isr);
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}
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#endif /* CH_DBG_STATISTICS == TRUE */
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/** @} */
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