len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-09-12 09:07:46 -04:00
Code Issues Projects Releases Packages Wiki Activity

MicroblazeV9: Add support for generation of run time task stats

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

42
portable/GCC/MicroBlazeV9/port.c
View file

@ -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
created. */
#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. */
( 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
interrupt because the kernel will run on lots of different MicroBlaze and
FPGA configurations - not all of which will have the same timer peripherals
@ -418,6 +438,7 @@ extern void vApplicationClearTimerInterrupt( void );
ulTaskSwitchRequested = 1;
}
}
}
/*-----------------------------------------------------------*/
static int32_t prvInitialiseInterruptController( void )
@ -461,6 +482,27 @@ int32_t 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
/*-----------------------------------------------------------*/