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improve the support for EventRecorder

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Gabriel Wang 2024-01-17 06:50:33 +00:00
parent f894704e50
commit ee560a054d
2 changed files with 43 additions and 6 deletions
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24
perf_counter.c
View File

@ -1,5 +1,5 @@
/**************************************************************************** /****************************************************************************
* Copyright 2022 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) * * Copyright 2024 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) *
* * * *
* Licensed under the Apache License, Version 2.0 (the "License"); * * Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. * * you may not use this file except in compliance with the License. *
@ -180,8 +180,13 @@ volatile static int32_t s_nSystemUS = 0;
volatile static int64_t s_lSystemClockCounts = 0; volatile static int64_t s_lSystemClockCounts = 0;
PERF_NOINIT
volatile static int64_t s_lNoInitTimestamp;
/*============================ PROTOTYPES ====================================*/ /*============================ PROTOTYPES ====================================*/
static int64_t get_no_init_timestamp(void);
/*============================ IMPLEMENTATION ================================*/ /*============================ IMPLEMENTATION ================================*/
/*============================ INCLUDES ======================================*/ /*============================ INCLUDES ======================================*/
@ -210,6 +215,7 @@ void user_code_insert_to_systick_handler(void)
{ {
uint32_t wLoad = SysTick->LOAD + 1; uint32_t wLoad = SysTick->LOAD + 1;
s_lSystemClockCounts += wLoad; s_lSystemClockCounts += wLoad;
s_lNoInitTimestamp += wLoad;
// update system ms counter // update system ms counter
do { do {
@ -313,7 +319,7 @@ void before_cycle_counter_reconfiguration(void)
} }
s_lSystemClockCounts = get_system_ticks(); /* get the final cycle counter value */ s_lSystemClockCounts = get_system_ticks(); /* get the final cycle counter value */
s_lNoInitTimestamp = get_no_init_timestamp();
SysTick->LOAD = 0UL; SysTick->LOAD = 0UL;
SysTick->VAL = 0UL; /* clear the Current Value Register */ SysTick->VAL = 0UL; /* clear the Current Value Register */
} }
@ -390,6 +396,17 @@ int64_t get_system_ticks(void)
return lTemp; return lTemp;
} }
static int64_t get_no_init_timestamp(void)
{
int64_t lTemp = 0;
__IRQ_SAFE {
lTemp = check_systick() + s_lNoInitTimestamp;
}
return lTemp;
}
/*! \note the prototype of this clock() is different from the one defined in /*! \note the prototype of this clock() is different from the one defined in
*! time.h. As clock_t is usually defined as unsigned int, it is *! time.h. As clock_t is usually defined as unsigned int, it is
*! not big enough in Cortex-M system to hold a time-stamp. clock() *! not big enough in Cortex-M system to hold a time-stamp. clock()
@ -497,6 +514,7 @@ bool __perfc_is_time_out(int64_t lPeriod, int64_t *plTimestamp, bool bAutoReload
uint32_t EventRecorderTimerSetup (void) uint32_t EventRecorderTimerSetup (void)
{ {
/* doing nothing at all */ /* doing nothing at all */
s_lNoInitTimestamp = 0;
return 1; return 1;
} }
@ -511,7 +529,7 @@ uint32_t EventRecorderTimerGetFreq (void)
/// \return timer count (32-bit) /// \return timer count (32-bit)
uint32_t EventRecorderTimerGetCount (void) uint32_t EventRecorderTimerGetCount (void)
{ {
return get_system_ticks(); return get_no_init_timestamp();
} }

25
perf_counter.h
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@ -1,5 +1,5 @@
/**************************************************************************** /****************************************************************************
* Copyright 2022 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) * * Copyright 2024 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) *
* * * *
* Licensed under the Apache License, Version 2.0 (the "License"); * * Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. * * you may not use this file except in compliance with the License. *
@ -35,9 +35,9 @@ extern "C" {
*/ */
#define __PERF_COUNTER_VER_MAJOR__ 2 #define __PERF_COUNTER_VER_MAJOR__ 2
#define __PERF_COUNTER_VER_MINOR__ 2 #define __PERF_COUNTER_VER_MINOR__ 2
#define __PERF_COUNTER_VER_REVISE__ 4 #define __PERF_COUNTER_VER_REVISE__ 5
#define __PERF_COUNTER_VER_STR__ "" #define __PERF_COUNTER_VER_STR__ "dev"
#define __PER_COUNTER_VER__ (__PERF_COUNTER_VER_MAJOR__ * 10000ul \ #define __PER_COUNTER_VER__ (__PERF_COUNTER_VER_MAJOR__ * 10000ul \
+__PERF_COUNTER_VER_MINOR__ * 100ul \ +__PERF_COUNTER_VER_MINOR__ * 100ul \
@ -134,6 +134,25 @@ extern "C" {
# define UNUSED_PARAM(__VAR) (void)(__VAR) # define UNUSED_PARAM(__VAR) (void)(__VAR)
#endif #endif
/*!
* \brief an attribute for static variables that no initialisation is required
* in the C startup process.
*/
#ifndef PERF_NOINIT
# if defined(__IS_COMPILER_ARM_COMPILER_5__)
# define PERF_NOINIT __attribute__(( section( ".bss.noinit"),zero_init))
# elif defined(__IS_COMPILER_ARM_COMPILER_6__)
# define PERF_NOINIT __attribute__(( section( ".bss.noinit")))
# elif defined(__IS_COMPILER_IAR__)
# define PERF_NOINIT __no_init
# elif (defined(__IS_COMPILER_GCC__) || defined(__IS_COMPILER_LLVM__)) && !defined(__APPLE__)
# define PERF_NOINIT __attribute__(( section( ".bss.noinit")))
# else
# define PERF_NOINIT
# endif
#endif
#undef __CONNECT2 #undef __CONNECT2
#undef __CONNECT3 #undef __CONNECT3
#undef __CONNECT4 #undef __CONNECT4