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/**
* @file
*
* @ingroup ScoreProfiling
*
* @brief Profiling Support API
*/
/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef _RTEMS_SCORE_PROFILING
#define _RTEMS_SCORE_PROFILING
#include <rtems/score/percpu.h>
#include <rtems/score/isrlock.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup ScoreProfiling Profiling Support
*
* @brief Profiling support.
*
* @{
*/
static inline void _Profiling_Thread_dispatch_disable(
Per_CPU_Control *cpu,
uint32_t previous_thread_dispatch_disable_level
)
{
#if defined( RTEMS_PROFILING )
if ( previous_thread_dispatch_disable_level == 0 ) {
Per_CPU_Stats *stats = &cpu->Stats;
stats->thread_dispatch_disabled_instant = _CPU_Counter_read();
++stats->thread_dispatch_disabled_count;
}
#else
(void) cpu;
(void) previous_thread_dispatch_disable_level;
#endif
}
static inline void _Profiling_Thread_dispatch_disable_critical(
Per_CPU_Control *cpu,
uint32_t previous_thread_dispatch_disable_level,
const ISR_lock_Context *lock_context
)
{
#if defined( RTEMS_PROFILING )
if ( previous_thread_dispatch_disable_level == 0 ) {
Per_CPU_Stats *stats = &cpu->Stats;
stats->thread_dispatch_disabled_instant = lock_context->ISR_disable_instant;
++stats->thread_dispatch_disabled_count;
}
#else
(void) cpu;
(void) previous_thread_dispatch_disable_level;
(void) lock_context;
#endif
}
static inline void _Profiling_Thread_dispatch_enable(
Per_CPU_Control *cpu,
uint32_t new_thread_dispatch_disable_level
)
{
#if defined( RTEMS_PROFILING )
if ( new_thread_dispatch_disable_level == 0 ) {
Per_CPU_Stats *stats = &cpu->Stats;
CPU_Counter_ticks now = _CPU_Counter_read();
CPU_Counter_ticks delta = _CPU_Counter_difference(
now,
stats->thread_dispatch_disabled_instant
);
stats->total_thread_dispatch_disabled_time += delta;
if ( stats->max_thread_dispatch_disabled_time < delta ) {
stats->max_thread_dispatch_disabled_time = delta;
}
}
#else
(void) cpu;
(void) new_thread_dispatch_disable_level;
#endif
}
static inline void _Profiling_Update_max_interrupt_delay(
Per_CPU_Control *cpu,
CPU_Counter_ticks interrupt_delay
)
{
#if defined( RTEMS_PROFILING )
Per_CPU_Stats *stats = &cpu->Stats;
if ( stats->max_interrupt_delay < interrupt_delay ) {
stats->max_interrupt_delay = interrupt_delay;
}
#else
(void) cpu;
(void) interrupt_delay;
#endif
}
/**
* @brief Updates the interrupt profiling statistics.
*
* Must be called with the interrupt stack and before the thread dispatch
* disable level is decremented.
*/
void _Profiling_Outer_most_interrupt_entry_and_exit(
Per_CPU_Control *cpu,
CPU_Counter_ticks interrupt_entry_instant,
CPU_Counter_ticks interrupt_exit_instant
);
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _RTEMS_SCORE_PROFILING */
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