Embedded/perf_counter
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This commit is contained in:
Gabriel Wang 2024-01-17 09:04:20 +00:00
parent 6232e88af4
commit 2d266becb3
1 changed files with 2 additions and 20 deletions
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perf_counter.c
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@ -180,12 +180,7 @@ 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 ======================================*/
@ -215,7 +210,6 @@ 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 {
@ -319,7 +313,7 @@ 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 */
} }
@ -396,17 +390,6 @@ 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()
@ -514,7 +497,6 @@ 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;
} }
@ -529,7 +511,7 @@ uint32_t EventRecorderTimerGetFreq (void)
/// \return timer count (32-bit) /// \return timer count (32-bit)
uint32_t EventRecorderTimerGetCount (void) uint32_t EventRecorderTimerGetCount (void)
{ {
return get_no_init_timestamp(); return get_system_ticks();
} }