Statistics

Collaboration diagram for Statistics:

Detailed Description

Statistics services.

Data Structures
struct	kernel_stats_t
	Type of a kernel statistics structure. More...

Functions
void	_stats_init (void)
	Initializes the statistics module. More...
void	_stats_increase_irq (void)
	Increases the IRQ counter. More...
void	_stats_ctxswc (thread_t *ntp, thread_t *otp)
	Updates context switch related statistics. More...
void	_stats_start_measure_crit_thd (void)
	Starts the measurement of a thread critical zone. More...
void	_stats_stop_measure_crit_thd (void)
	Stops the measurement of a thread critical zone. More...
void	_stats_start_measure_crit_isr (void)
	Starts the measurement of an ISR critical zone. More...
void	_stats_stop_measure_crit_isr (void)
	Stops the measurement of an ISR critical zone. More...

Function Documentation

void _stats_init

(

void

)

Initializes the statistics module.

Function Class:

Initializer, this function just initializes an object and can be invoked before the kernel is initialized.

Definition at line 62 of file chstats.c.

References ch, chTMObjectInit(), ch_system::kernel_stats, kernel_stats_t::m_crit_isr, kernel_stats_t::m_crit_thd, kernel_stats_t::n_ctxswc, and kernel_stats_t::n_irq.

Referenced by chSysInit().

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void _stats_increase_irq

(

void

)

Increases the IRQ counter.

Definition at line 73 of file chstats.c.

References ch, ch_system::kernel_stats, and kernel_stats_t::n_irq.

void _stats_ctxswc	(	thread_t *	ntp,
		thread_t *	otp
	)

Updates context switch related statistics.

Parameters

[in]	ntp	the thread to be switched in
[in]	otp	the thread to be switched out

Definition at line 86 of file chstats.c.

References ch, chTMChainMeasurementToX(), ch_system::kernel_stats, kernel_stats_t::n_ctxswc, and ch_thread::stats.

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void _stats_start_measure_crit_thd

(

void

)

Starts the measurement of a thread critical zone.

Definition at line 95 of file chstats.c.

References ch, chTMStartMeasurementX(), ch_system::kernel_stats, and kernel_stats_t::m_crit_thd.

Referenced by chSysLock().

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void _stats_stop_measure_crit_thd

(

void

)

Stops the measurement of a thread critical zone.

Definition at line 103 of file chstats.c.

References ch, chTMStopMeasurementX(), ch_system::kernel_stats, and kernel_stats_t::m_crit_thd.

Referenced by chSysUnlock().

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void _stats_start_measure_crit_isr

(

void

)

Starts the measurement of an ISR critical zone.

Definition at line 111 of file chstats.c.

References ch, chTMStartMeasurementX(), ch_system::kernel_stats, and kernel_stats_t::m_crit_isr.

Referenced by chSysLockFromISR().

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void _stats_stop_measure_crit_isr

(

void

)

Stops the measurement of an ISR critical zone.

Definition at line 119 of file chstats.c.

References ch, chTMStopMeasurementX(), ch_system::kernel_stats, and kernel_stats_t::m_crit_isr.

Referenced by chSysUnlockFromISR().

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