122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/*
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ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
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2015,2016,2017,2018,2019,2020,2021 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 version 3 of the License.
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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 rt/include/chstats.h
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* @brief Statistics module macros and structures.
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*
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* @addtogroup statistics
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* @{
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*/
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#ifndef CHSTATS_H
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#define CHSTATS_H
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#if (CH_DBG_STATISTICS == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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/*===========================================================================*/
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#if CH_CFG_USE_TM == FALSE
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#error "CH_DBG_STATISTICS requires CH_CFG_USE_TM"
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#endif
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Type of a kernel statistics structure.
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*/
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typedef struct {
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ucnt_t n_irq; /**< @brief Number of IRQs. */
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ucnt_t n_ctxswc; /**< @brief Number of context switches. */
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time_measurement_t m_crit_thd; /**< @brief Measurement of threads
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critical zones duration. */
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time_measurement_t m_crit_isr; /**< @brief Measurement of ISRs critical
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zones duration. */
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} kernel_stats_t;
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/*===========================================================================*/
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/* Module macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void __stats_init(void);
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void __stats_increase_irq(void);
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void __stats_ctxswc(thread_t *ntp, thread_t *otp);
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void __stats_start_measure_crit_thd(void);
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void __stats_stop_measure_crit_thd(void);
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void __stats_start_measure_crit_isr(void);
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void __stats_stop_measure_crit_isr(void);
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#ifdef __cplusplus
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}
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#endif
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/*===========================================================================*/
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/* Module inline functions. */
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/*===========================================================================*/
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/**
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* @brief Statistics initialization.
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* @note Internal use only.
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*
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* @param[out] ksp pointer to the @p kernel__stats_t structure
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*
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* @notapi
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*/
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static inline void __stats_object_init(kernel_stats_t *ksp) {
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ksp->n_irq = (ucnt_t)0;
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ksp->n_ctxswc = (ucnt_t)0;
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chTMObjectInit(&ksp->m_crit_thd);
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chTMObjectInit(&ksp->m_crit_isr);
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}
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#else /* CH_DBG_STATISTICS == FALSE */
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/* Stub functions for when the statistics module is disabled. */
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#define __stats_increase_irq()
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#define __stats_ctxswc(old, new)
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#define __stats_start_measure_crit_thd()
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#define __stats_stop_measure_crit_thd()
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#define __stats_start_measure_crit_isr()
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#define __stats_stop_measure_crit_isr()
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#endif /* CH_DBG_STATISTICS == FALSE */
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#endif /* CHSTATS_H */
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/** @} */
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