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Update pxCurrentTCBs[ portGET_CORE_ID() ] optimization

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Ching-Hsin,Lee 2024-07-08 10:14:45 +08:00
parent f4dad5e7c1
commit 67b6574633
1 changed files with 42 additions and 45 deletions
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87
tasks.c
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@ -84,17 +84,16 @@
portYIELD_WITHIN_API(); \
} while( 0 )
#define taskYIELD_ANY_CORE_IF_USING_PREEMPTION( pxTCB ) \
do { \
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCB(); \
if( pxConstCurrentTCB->uxPriority < ( pxTCB )->uxPriority ) \
{ \
portYIELD_WITHIN_API(); \
} \
else \
{ \
mtCOVERAGE_TEST_MARKER(); \
} \
#define taskYIELD_ANY_CORE_IF_USING_PREEMPTION( pxTCB ) \
do { \
if( ( prvGetCurrentTaskTCBUnsafe()->uxPriority ) < ( pxTCB )->uxPriority ) \
{ \
portYIELD_WITHIN_API(); \
} \
else \
{ \
mtCOVERAGE_TEST_MARKER(); \
} \
} while( 0 )
#else /* if ( configNUMBER_OF_CORES == 1 ) */
@ -188,9 +187,9 @@
} \
\
/* listGET_OWNER_OF_NEXT_ENTRY indexes through the list, so the tasks of \
* the same priority get an equal share of the processor time. */ \
* the same priority get an equal share of the processor time. */ \
listGET_OWNER_OF_NEXT_ENTRY( prvGetCurrentTaskTCBUnsafe(), &( pxReadyTasksLists[ uxTopPriority ] ) ); \
uxTopReadyPriority = uxTopPriority; \
uxTopReadyPriority = uxTopPriority; \
} while( 0 ) /* taskSELECT_HIGHEST_PRIORITY_TASK */
#else /* if ( configNUMBER_OF_CORES == 1 ) */
@ -217,14 +216,14 @@
/*-----------------------------------------------------------*/
#define taskSELECT_HIGHEST_PRIORITY_TASK() \
do { \
UBaseType_t uxTopPriority; \
\
/* Find the highest priority list that contains ready tasks. */ \
portGET_HIGHEST_PRIORITY( uxTopPriority, uxTopReadyPriority ); \
configASSERT( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ uxTopPriority ] ) ) > 0 ); \
listGET_OWNER_OF_NEXT_ENTRY( prvGetCurrentTaskTCBUnsafe(), &( pxReadyTasksLists[ uxTopPriority ] ) ); \
#define taskSELECT_HIGHEST_PRIORITY_TASK() \
do { \
UBaseType_t uxTopPriority; \
\
/* Find the highest priority list that contains ready tasks. */ \
portGET_HIGHEST_PRIORITY( uxTopPriority, uxTopReadyPriority ); \
configASSERT( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ uxTopPriority ] ) ) > 0 ); \
listGET_OWNER_OF_NEXT_ENTRY( prvGetCurrentTaskTCBUnsafe(), &( pxReadyTasksLists[ uxTopPriority ] ) ); \
} while( 0 )
/*-----------------------------------------------------------*/
@ -318,10 +317,10 @@
#define taskATTRIBUTE_IS_IDLE ( UBaseType_t ) ( 1U << 0U )
#if ( ( configNUMBER_OF_CORES > 1 ) && ( portCRITICAL_NESTING_IN_TCB == 1 ) )
#define portGET_CRITICAL_NESTING_COUNT() ( pxCurrentTCBs[ portGET_CORE_ID() ]->uxCriticalNesting )
#define portSET_CRITICAL_NESTING_COUNT( x ) ( pxCurrentTCBs[ portGET_CORE_ID() ]->uxCriticalNesting = ( x ) )
#define portINCREMENT_CRITICAL_NESTING_COUNT() ( pxCurrentTCBs[ portGET_CORE_ID() ]->uxCriticalNesting++ )
#define portDECREMENT_CRITICAL_NESTING_COUNT() ( pxCurrentTCBs[ portGET_CORE_ID() ]->uxCriticalNesting-- )
#define portGET_CRITICAL_NESTING_COUNT() ( prvGetCurrentTaskTCBUnsafe()->uxCriticalNesting )
#define portSET_CRITICAL_NESTING_COUNT( x ) ( prvGetCurrentTaskTCBUnsafe()->uxCriticalNesting = ( x ) )
#define portINCREMENT_CRITICAL_NESTING_COUNT() ( prvGetCurrentTaskTCBUnsafe()->uxCriticalNesting++ )
#define portDECREMENT_CRITICAL_NESTING_COUNT() ( prvGetCurrentTaskTCBUnsafe()->uxCriticalNesting-- )
#endif /* #if ( ( configNUMBER_OF_CORES > 1 ) && ( portCRITICAL_NESTING_IN_TCB == 1 ) ) */
#define taskBITS_PER_BYTE ( ( size_t ) 8 )
@ -833,7 +832,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
uxSavedInterruptStatus = portSET_INTERRUPT_MASK();
{
pxTCB = pxCurrentTCBs[ portGET_CORE_ID() ];
pxTCB = prvGetCurrentTaskTCBUnsafe();
}
portCLEAR_INTERRUPT_MASK( uxSavedInterruptStatus );
@ -854,7 +853,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
/* This function is always called with interrupts disabled
* so this is safe. */
pxThisTCB = pxCurrentTCBs[ portGET_CORE_ID() ];
pxThisTCB = prvGetCurrentTaskTCBUnsafe();
while( pxThisTCB->xTaskRunState == taskTASK_SCHEDULED_TO_YIELD )
{
@ -918,13 +917,13 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
#if ( configRUN_MULTIPLE_PRIORITIES == 0 )
BaseType_t xYieldCount = 0;
TCB_t * const pxConstCurrentTCB = prvGetCurrentTaskTCBUnsafe();
#endif /* #if ( configRUN_MULTIPLE_PRIORITIES == 0 ) */
/* This must be called from a critical section. */
configASSERT( portGET_CRITICAL_NESTING_COUNT() > 0U );
#if ( configRUN_MULTIPLE_PRIORITIES == 0 )
/* No task should yield for this one if it is a lower priority
* than priority level of currently ready tasks. */
if( pxTCB->uxPriority >= uxTopReadyPriority )
@ -1010,11 +1009,11 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
#if ( configRUN_MULTIPLE_PRIORITIES == 0 )
/* Verify that the calling core always yields to higher priority tasks. */
if( ( ( pxCurrentTCBs[ portGET_CORE_ID() ]->uxTaskAttributes & taskATTRIBUTE_IS_IDLE ) == 0U ) &&
( pxTCB->uxPriority > pxCurrentTCBs[ portGET_CORE_ID() ]->uxPriority ) )
if( ( ( pxConstCurrentTCB->uxTaskAttributes & taskATTRIBUTE_IS_IDLE ) == 0U ) &&
( pxTCB->uxPriority > pxConstCurrentTCB->uxPriority ) )
{
configASSERT( ( xYieldPendings[ portGET_CORE_ID() ] == pdTRUE ) ||
( taskTASK_IS_RUNNING( pxCurrentTCBs[ portGET_CORE_ID() ] ) == pdFALSE ) );
( taskTASK_IS_RUNNING( pxConstCurrentTCB ) == pdFALSE ) );
}
#endif
}
@ -2121,19 +2120,19 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
prvAddTaskToReadyList( pxNewTCB );
portSETUP_TCB( pxNewTCB );
if( xSchedulerRunning != pdFALSE )
{
/* If the created task is of a higher priority than the current task
* then it should run now. */
taskYIELD_ANY_CORE_IF_USING_PREEMPTION( pxNewTCB );
}
else
{
mtCOVERAGE_TEST_MARKER();
}
}
taskEXIT_CRITICAL();
if( xSchedulerRunning != pdFALSE )
{
/* If the created task is of a higher priority than the current task
* then it should run now. */
taskYIELD_ANY_CORE_IF_USING_PREEMPTION( pxNewTCB );
}
else
{
mtCOVERAGE_TEST_MARKER();
}
}
#else /* #if ( configNUMBER_OF_CORES == 1 ) */
@ -3406,12 +3405,10 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
configASSERT( xTaskToResume );
#if ( configNUMBER_OF_CORES == 1 )
/* The parameter cannot be NULL as it is impossible to resume the
* currently executing task. */
if( ( taskTASK_IS_RUNNING( pxTCB ) == pdFALSE ) && ( pxTCB != NULL ) )
#else
/* The parameter cannot be NULL as it is impossible to resume the
* currently executing task. It is also impossible to resume a task
* that is actively running on another core but it is not safe
@ -5260,7 +5257,7 @@ BaseType_t xTaskIncrementTick( void )
/* Macro to inject port specific behaviour immediately after
* switching tasks, such as setting an end of stack watchpoint
* or reconfiguring the MPU. */
portTASK_SWITCH_HOOK( pxCurrentTCBs[ portGET_CORE_ID() ] );
portTASK_SWITCH_HOOK( prvGetCurrentTaskTCBUnsafe() );
/* After the new task is switched in, update the global errno. */
#if ( configUSE_POSIX_ERRNO == 1 )