107 lines
4.1 KiB
C
107 lines
4.1 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT 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/RT 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.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 || 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
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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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#else /* !CH_DBG_STATISTICS */
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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 */
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#endif /* _CHSTATS_H_ */
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/** @} */
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