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MicroblazeV9: Add support for generation of run time task stats

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Signed-off-by: Mubin Usman Sayyed <mubin.usman.sayyed@xilinx.com>
This commit is contained in:
Mubin Usman Sayyed 2020-11-30 01:30:18 +05:30
parent 8bff603451
commit 48ae2df324
1 changed files with 42 additions and 0 deletions
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42
portable/GCC/MicroBlazeV9/port.c
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@ -58,6 +58,13 @@ FSR register is saved as part of the task context. portINITIAL_FSR is the value
given to the FSR register when the initial context is set up for a task being given to the FSR register when the initial context is set up for a task being
created. */ created. */
#define portINITIAL_FSR ( 0U ) #define portINITIAL_FSR ( 0U )
/*
* Global counter used for calculation of run time statistics of tasks.
* Defined only when the relevant option is turned on
*/
#if (configGENERATE_RUN_TIME_STATS==1)
volatile uint32_t ulHighFrequencyTimerTicks;
#endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -403,6 +410,19 @@ extern void vApplicationClearTimerInterrupt( void );
/* Ensure the unused parameter does not generate a compiler warning. */ /* Ensure the unused parameter does not generate a compiler warning. */
( void ) pvUnused; ( void ) pvUnused;
/*
* The Xilinx implementation of generating run time task stats uses the same timer used for generating
* FreeRTOS ticks. In case user decides to generate run time stats the tick handler is called more
* frequently (10 times faster). The timer/tick handler uses logic to handle the same. It handles
* the FreeRTOS tick once per 10 interrupts.
* For handling generation of run time stats, it increments a pre-defined counter every time the
* interrupt handler executes.
*/
#if (configGENERATE_RUN_TIME_STATS == 1)
ulHighFrequencyTimerTicks++;
if (!(ulHighFrequencyTimerTicks % 10))
#endif
{
/* This port uses an application defined callback function to clear the tick /* This port uses an application defined callback function to clear the tick
interrupt because the kernel will run on lots of different MicroBlaze and interrupt because the kernel will run on lots of different MicroBlaze and
FPGA configurations - not all of which will have the same timer peripherals FPGA configurations - not all of which will have the same timer peripherals
@ -418,6 +438,7 @@ extern void vApplicationClearTimerInterrupt( void );
ulTaskSwitchRequested = 1; ulTaskSwitchRequested = 1;
} }
} }
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static int32_t prvInitialiseInterruptController( void ) static int32_t prvInitialiseInterruptController( void )
@ -461,6 +482,27 @@ int32_t lStatus;
return lStatus; return lStatus;
} }
#if( configGENERATE_RUN_TIME_STATS == 1 )
/*
* For Xilinx implementation this is a dummy function that does a redundant operation
* of zeroing out the global counter.
* It is called by FreeRTOS kernel.
*/
void xCONFIGURE_TIMER_FOR_RUN_TIME_STATS (void)
{
ulHighFrequencyTimerTicks = 0;
}
/*
* For Xilinx implementation this function returns the global counter used for
* run time task stats calculation.
* It is called by FreeRTOS kernel task handling logic.
*/
uint32_t xGET_RUN_TIME_COUNTER_VALUE (void)
{
return ulHighFrequencyTimerTicks;
}
#endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/