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Add default core affinity config value. (#996)

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* Add default core affinity config value.

---------

Co-authored-by: Anubhav Rawal <rawalexe@amazon.com>
This commit is contained in:
Christoph Seitz 2024-02-16 06:42:18 +01:00 committed by GitHub
parent 4d34700bcc
commit e68975fcf7
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GPG key ID: B5690EEEBB952194
3 changed files with 19 additions and 4 deletions
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9
examples/template_configuration/FreeRTOSConfig.h
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@ -496,6 +496,15 @@
* run any task on any available core. */ * run any task on any available core. */
#define configUSE_CORE_AFFINITY 0 #define configUSE_CORE_AFFINITY 0
/* When using SMP with core affinity feature enabled, set
* configTASK_DEFAULT_CORE_AFFINITY to change the default core affinity mask for
* tasks created without an affinity mask specified. Setting the define to 1 would
* make such tasks run on core 0 and setting it to (1 << portGET_CORE_ID()) would
* make such tasks run on the current core. This config value is useful, if
* swapping tasks between cores is not supported (e.g. Tricore) or if legacy code
* should be controlled. Defaults to tskNO_AFFINITY if left undefined. */
#define configTASK_DEFAULT_CORE_AFFINITY tskNO_AFFINITY
/* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), if /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), if
* configUSE_TASK_PREEMPTION_DISABLE is set to 1, individual tasks can be set to * configUSE_TASK_PREEMPTION_DISABLE is set to 1, individual tasks can be set to
* either pre-emptive or co-operative mode using the vTaskPreemptionDisable and * either pre-emptive or co-operative mode using the vTaskPreemptionDisable and

6
include/FreeRTOS.h
View file

@ -484,6 +484,12 @@
#define configUSE_CORE_AFFINITY 0 #define configUSE_CORE_AFFINITY 0
#endif /* configUSE_CORE_AFFINITY */ #endif /* configUSE_CORE_AFFINITY */
#if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) )
#ifndef configTASK_DEFAULT_CORE_AFFINITY
#define configTASK_DEFAULT_CORE_AFFINITY tskNO_AFFINITY
#endif
#endif
#ifndef configUSE_PASSIVE_IDLE_HOOK #ifndef configUSE_PASSIVE_IDLE_HOOK
#define configUSE_PASSIVE_IDLE_HOOK 0 #define configUSE_PASSIVE_IDLE_HOOK 0
#endif /* configUSE_PASSIVE_IDLE_HOOK */ #endif /* configUSE_PASSIVE_IDLE_HOOK */

8
tasks.c
View file

@ -1325,7 +1325,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
#if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) ) #if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) )
{ {
/* Set the task's affinity before scheduling it. */ /* Set the task's affinity before scheduling it. */
pxNewTCB->uxCoreAffinityMask = tskNO_AFFINITY; pxNewTCB->uxCoreAffinityMask = configTASK_DEFAULT_CORE_AFFINITY;
} }
#endif #endif
@ -1442,7 +1442,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
#if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) ) #if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) )
{ {
/* Set the task's affinity before scheduling it. */ /* Set the task's affinity before scheduling it. */
pxNewTCB->uxCoreAffinityMask = tskNO_AFFINITY; pxNewTCB->uxCoreAffinityMask = configTASK_DEFAULT_CORE_AFFINITY;
} }
#endif #endif
@ -1560,7 +1560,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
#if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) ) #if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) )
{ {
/* Set the task's affinity before scheduling it. */ /* Set the task's affinity before scheduling it. */
pxNewTCB->uxCoreAffinityMask = tskNO_AFFINITY; pxNewTCB->uxCoreAffinityMask = configTASK_DEFAULT_CORE_AFFINITY;
} }
#endif /* #if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) ) */ #endif /* #if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) ) */
@ -1733,7 +1733,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) PRIVILEGED_FUNCTION;
#if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) ) #if ( ( configNUMBER_OF_CORES > 1 ) && ( configUSE_CORE_AFFINITY == 1 ) )
{ {
/* Set the task's affinity before scheduling it. */ /* Set the task's affinity before scheduling it. */
pxNewTCB->uxCoreAffinityMask = tskNO_AFFINITY; pxNewTCB->uxCoreAffinityMask = configTASK_DEFAULT_CORE_AFFINITY;
} }
#endif #endif