111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/*
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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 nirq; /**< @brief IRQ number.
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@note Fast Interrupts are not
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accounted for. */
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ucnt_t nctxswc; /**< @brief Context switch number. */
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time_measurement_t critical; /**< @brief Critical zones measurement. */
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time_measurement_t isr; /**< @brief ISR measurement. */
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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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* @brief Increases the IRQ counter.
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*/
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#define _stats_increase_irq() kernel_stats.nirq++
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/**
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* @brief Increases the context switch counter.
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*/
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#define _stats_increase_ctxswc() kernel_stats.nctxswc++
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#if !defined(__DOXYGEN__)
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extern kernel_stats_t kernel_stats;
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#endif
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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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#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_increase_ctxswc()
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#endif /* !CH_DBG_STATISTICS */
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#endif /* _CHSTATS_H_ */
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/** @} */
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