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EDF Priority SMP Scheduler

EDF Priority SMP Scheduler. More...

Files

file  scheduleredfsmp.h
 EDF SMP Scheduler API.
 
file  scheduleredfsmp.c
 EDF SMP Scheduler Implementation.
 

Classes

struct  Scheduler_EDF_SMP_Node
 
struct  Scheduler_EDF_SMP_Ready_queue
 
struct  Scheduler_EDF_SMP_Context
 

Macros

#define SCHEDULER_EDF_SMP_ENTRY_POINTS
 

Functions

void _Scheduler_EDF_SMP_Initialize (const Scheduler_Control *scheduler)
 Initializes the context of the scheduler control. More...
 
void _Scheduler_EDF_SMP_Node_initialize (const Scheduler_Control *scheduler, Scheduler_Node *node, Thread_Control *the_thread, Priority_Control priority)
 Initializes the node with the given priority. More...
 
void _Scheduler_EDF_SMP_Block (const Scheduler_Control *scheduler, Thread_Control *thread, Scheduler_Node *node)
 Blocks the thread. More...
 
void _Scheduler_EDF_SMP_Unblock (const Scheduler_Control *scheduler, Thread_Control *thread, Scheduler_Node *node)
 Unblocks the thread. More...
 
void _Scheduler_EDF_SMP_Update_priority (const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node)
 Updates the priority of the node. More...
 
bool _Scheduler_EDF_SMP_Ask_for_help (const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node)
 Asks for help operation. More...
 
void _Scheduler_EDF_SMP_Reconsider_help_request (const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node)
 Reconsiders help operation. More...
 
void _Scheduler_EDF_SMP_Withdraw_node (const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node, Thread_Scheduler_state next_state)
 Withdraws node operation. More...
 
void _Scheduler_EDF_SMP_Pin (const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node, struct Per_CPU_Control *cpu)
 Pin thread operation. More...
 
void _Scheduler_EDF_SMP_Unpin (const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node, struct Per_CPU_Control *cpu)
 Unpin thread operation. More...
 
void _Scheduler_EDF_SMP_Add_processor (const Scheduler_Control *scheduler, Thread_Control *idle)
 Adds processor. More...
 
Thread_Control_Scheduler_EDF_SMP_Remove_processor (const Scheduler_Control *scheduler, struct Per_CPU_Control *cpu)
 Removes an idle thread from the given cpu. More...
 
void _Scheduler_EDF_SMP_Yield (const Scheduler_Control *scheduler, Thread_Control *thread, Scheduler_Node *node)
 Performs the yield of a thread. More...
 
void _Scheduler_EDF_SMP_Start_idle (const Scheduler_Control *scheduler, Thread_Control *idle, struct Per_CPU_Control *cpu)
 Starts an idle thread. More...
 
bool _Scheduler_EDF_SMP_Set_affinity (const Scheduler_Control *scheduler, Thread_Control *thread, Scheduler_Node *node, const Processor_mask *affinity)
 Checks if the processor set of the scheduler is the subset of the affinity set. More...
 

Detailed Description

EDF Priority SMP Scheduler.

Macro Definition Documentation

◆ SCHEDULER_EDF_SMP_ENTRY_POINTS

#define SCHEDULER_EDF_SMP_ENTRY_POINTS
Value:
{ \
_Scheduler_EDF_SMP_Initialize, \
_Scheduler_default_Schedule, \
_Scheduler_EDF_SMP_Yield, \
_Scheduler_EDF_SMP_Block, \
_Scheduler_EDF_SMP_Unblock, \
_Scheduler_EDF_SMP_Update_priority, \
_Scheduler_EDF_Map_priority, \
_Scheduler_EDF_Unmap_priority, \
_Scheduler_EDF_SMP_Ask_for_help, \
_Scheduler_EDF_SMP_Reconsider_help_request, \
_Scheduler_EDF_SMP_Withdraw_node, \
_Scheduler_EDF_SMP_Pin, \
_Scheduler_EDF_SMP_Unpin, \
_Scheduler_EDF_SMP_Add_processor, \
_Scheduler_EDF_SMP_Remove_processor, \
_Scheduler_EDF_SMP_Node_initialize, \
_Scheduler_default_Node_destroy, \
_Scheduler_EDF_Release_job, \
_Scheduler_EDF_Cancel_job, \
_Scheduler_default_Tick, \
_Scheduler_EDF_SMP_Start_idle, \
_Scheduler_EDF_SMP_Set_affinity \
}

Definition at line 108 of file scheduleredfsmp.h.

Function Documentation

◆ _Scheduler_EDF_SMP_Add_processor()

void _Scheduler_EDF_SMP_Add_processor ( const Scheduler_Control scheduler,
Thread_Control idle 
)

Adds processor.

Parameters
[in,out]schedulerThe scheduler instance to add the processor to.
idleThe idle thread of the processor to add.

Definition at line 594 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Ask_for_help()

bool _Scheduler_EDF_SMP_Ask_for_help ( const Scheduler_Control scheduler,
Thread_Control the_thread,
Scheduler_Node node 
)

Asks for help operation.

Parameters
schedulerThe scheduler instance to ask for help.
the_threadThe thread needing help.
nodeThe scheduler node.
Return values
trueAsk for help was successful.
falseAsk for help was not successful.

Definition at line 532 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Block()

void _Scheduler_EDF_SMP_Block ( const Scheduler_Control scheduler,
Thread_Control thread,
Scheduler_Node node 
)

Blocks the thread.

Parameters
schedulerThe scheduler instance.
[in,out]the_threadThe thread to block.
[in,out]nodeThe thread's scheduler node.

Definition at line 417 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Initialize()

void _Scheduler_EDF_SMP_Initialize ( const Scheduler_Control scheduler)

Initializes the context of the scheduler control.

Parameters
schedulerThe scheduler control.

Definition at line 61 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Node_initialize()

void _Scheduler_EDF_SMP_Node_initialize ( const Scheduler_Control scheduler,
Scheduler_Node node,
Thread_Control the_thread,
Priority_Control  priority 
)

Initializes the node with the given priority.

Parameters
schedulerThe scheduler instance.
[out]nodeThe node to initialize.
the_threadThe thread of the scheduler node.
priorityThe priority for the initialization.

Definition at line 71 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Pin()

void _Scheduler_EDF_SMP_Pin ( const Scheduler_Control scheduler,
Thread_Control the_thread,
Scheduler_Node node,
struct Per_CPU_Control cpu 
)

Pin thread operation.

Parameters
schedulerThe scheduler instance of the specified processor.
the_threadThe thread to pin.
nodeThe scheduler node of the thread.
cpuThe processor to pin the thread.

Definition at line 675 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Reconsider_help_request()

void _Scheduler_EDF_SMP_Reconsider_help_request ( const Scheduler_Control scheduler,
Thread_Control the_thread,
Scheduler_Node node 
)

Reconsiders help operation.

Parameters
schedulerThe scheduler instance to reconsider the help request.
the_threadThe thread reconsidering a help request.
nodeThe scheduler node.

Definition at line 543 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Remove_processor()

Thread_Control* _Scheduler_EDF_SMP_Remove_processor ( const Scheduler_Control scheduler,
struct Per_CPU_Control cpu 
)

Removes an idle thread from the given cpu.

Parameters
schedulerThe scheduler instance.
cpuThe cpu control to remove from scheduler.
Returns
The idle thread of the processor.

Definition at line 610 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Set_affinity()

bool _Scheduler_EDF_SMP_Set_affinity ( const Scheduler_Control scheduler,
Thread_Control thread,
Scheduler_Node node,
const Processor_mask *  affinity 
)

Checks if the processor set of the scheduler is the subset of the affinity set.

Default implementation of the set affinity scheduler operation.

Parameters
schedulerThis parameter is unused.
threadThis parameter is unused.
nodeThis parameter is unused.
affinityThe new processor affinity set for the thread.
Return values
trueThe processor set of the scheduler is a subset of the affinity set.
falseThe processor set of the scheduler is not a subset of the affinity set.

Definition at line 719 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Start_idle()

void _Scheduler_EDF_SMP_Start_idle ( const Scheduler_Control scheduler,
Thread_Control idle,
struct Per_CPU_Control cpu 
)

Starts an idle thread.

Parameters
schedulerThe scheduler instance.
[in,out]the_threadAn idle thread.
cpuThe cpu for the operation.

Definition at line 657 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Unblock()

void _Scheduler_EDF_SMP_Unblock ( const Scheduler_Control scheduler,
Thread_Control thread,
Scheduler_Node node 
)

Unblocks the thread.

Parameters
schedulerThe scheduler instance.
[in,out]the_threadThe thread to unblock.
[in,out]nodeThe thread's scheduler node.

Definition at line 476 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Unpin()

void _Scheduler_EDF_SMP_Unpin ( const Scheduler_Control scheduler,
Thread_Control the_thread,
Scheduler_Node node,
struct Per_CPU_Control cpu 
)

Unpin thread operation.

Parameters
schedulerThe scheduler instance of the specified processor.
the_threadThe thread to unpin.
nodeThe scheduler node of the thread.
cpuThe processor to unpin the thread.

Definition at line 698 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Update_priority()

void _Scheduler_EDF_SMP_Update_priority ( const Scheduler_Control scheduler,
Thread_Control the_thread,
Scheduler_Node node 
)

Updates the priority of the node.

Parameters
schedulerThe scheduler instance.
the_threadThe thread for the operation.
nodeThe thread's scheduler node.

Definition at line 512 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Withdraw_node()

void _Scheduler_EDF_SMP_Withdraw_node ( const Scheduler_Control scheduler,
Thread_Control the_thread,
Scheduler_Node node,
Thread_Scheduler_state  next_state 
)

Withdraws node operation.

Parameters
schedulerThe scheduler instance to withdraw the node.
the_threadThe thread using the node.
nodeThe scheduler node to withdraw.
next_stateThe next thread scheduler state in case the node is scheduled.

Definition at line 559 of file scheduleredfsmp.c.

◆ _Scheduler_EDF_SMP_Yield()

void _Scheduler_EDF_SMP_Yield ( const Scheduler_Control scheduler,
Thread_Control thread,
Scheduler_Node node 
)

Performs the yield of a thread.

Parameters
schedulerThe scheduler instance.
[in,out]the_threadThe thread that performed the yield operation.
nodeThe scheduler node of the_thread.

Definition at line 625 of file scheduleredfsmp.c.