DistIface::SyncNode Class Reference

Inheritance diagram for DistIface::SyncNode:

Public Member Functions
	SyncNode ()
	~SyncNode ()
bool	run (bool same_tick) override
	Core method to perform a full dist sync. More...
bool	progress (Tick max_req_tick, Tick next_repeat, ReqType do_ckpt, ReqType do_exit, ReqType do_stop_sync) override
	Callback when the receiver thread gets a sync ack message. More...
void	requestCkpt (ReqType req) override
void	requestExit (ReqType req) override
void	requestStopSync (ReqType req) override
void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...
void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...
Public Member Functions inherited from DistIface::Sync
void	init (Tick start, Tick repeat)
	Initialize periodic sync params. More...
void	abort ()
	Abort processing an on-going sync event (in case of an error, e.g. More...
void	drainComplete ()
Public Member Functions inherited from Serializable
	Serializable ()
virtual	~Serializable ()
void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...
void	serializeSection (CheckpointOut &cp, const std::string &name) const
void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...
void	unserializeSection (CheckpointIn &cp, const std::string &name)

Private Attributes
ReqType	needExit
	Exit requested. More...
ReqType	needCkpt
	Ckpt requested. More...
ReqType	needStopSync
	Sync stop requested. More...

Additional Inherited Members
Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Get the fully-qualified name of the active section. More...
static void	serializeAll (const std::string &cpt_dir)
static void	unserializeGlobals (CheckpointIn &cp)
Static Public Attributes inherited from Serializable
static int	ckptCount = 0
static int	ckptMaxCount = 0
static int	ckptPrevCount = -1
Protected Attributes inherited from DistIface::Sync
std::mutex	lock
	The lock to protect access to the Sync object. More...
std::condition_variable	cv
	Condition variable for the simulation thread to wait on until all receiver threads completes the current global synchronisation. More...
unsigned	waitNum
	Number of receiver threads that not yet completed the current global synchronisation. More...
bool	doExit
	Flag is set if exit is permitted upon sync completion. More...
bool	doCkpt
	Flag is set if taking a ckpt is permitted upon sync completion. More...
bool	doStopSync
	Flag is set if sync is to stop upon sync completion. More...
Tick	nextRepeat
	The repeat value for the next periodic sync. More...
Tick	nextAt
	Tick for the next periodic sync (if the event is not scheduled yet) More...
bool	isAbort
	Flag is set if the sync is aborted (e.g. More...

Detailed Description

Definition at line 205 of file dist_iface.hh.

Constructor & Destructor Documentation

DistIface::SyncNode::SyncNode

(

)

Definition at line 111 of file dist_iface.cc.

References Stats::none.

DistIface::SyncNode::~SyncNode ( )

inline

Definition at line 224 of file dist_iface.hh.

Member Function Documentation

bool DistIface::SyncNode::progress ( Tick  send_tick, Tick  next_repeat, ReqType  do_ckpt, ReqType  do_exit, ReqType  do_stop_sync  )

overridevirtual

Callback when the receiver thread gets a sync ack message.

Returns

false if the receiver thread needs to stop (e.g. simulation is to exit)

Implements DistIface::Sync.

Definition at line 242 of file dist_iface.cc.

References X86ISA::lock, and Stats::none.

void DistIface::SyncNode::requestCkpt ( ReqType  req )

overridevirtual

Implements DistIface::Sync.

Definition at line 270 of file dist_iface.cc.

References X86ISA::lock, Stats::none, and warn.

void DistIface::SyncNode::requestExit ( ReqType  req )

overridevirtual

Implements DistIface::Sync.

Definition at line 281 of file dist_iface.cc.

References X86ISA::lock, Stats::none, and warn.

void DistIface::SyncNode::requestStopSync ( ReqType  req )

overridevirtual

Implements DistIface::Sync.

Definition at line 848 of file dist_iface.cc.

References DistIface::Sync::lock, and needStopSync.

bool DistIface::SyncNode::run ( bool  same_tick )

overridevirtual

Core method to perform a full dist sync.

Returns

true if the sync completes, false if it gets aborted

Implements DistIface::Sync.

Definition at line 126 of file dist_iface.cc.

References curTick(), X86ISA::lock, DistIface::master, DistHeaderPkt::Header::msgType, DistHeaderPkt::Header::needCkpt, DistHeaderPkt::Header::needExit, DistHeaderPkt::Header::needStopSync, Stats::none, DistIface::recvThreadsNum, DistIface::sendCmd(), DistHeaderPkt::Header::sendTick, and DistHeaderPkt::Header::syncRepeat.

void DistIface::SyncNode::serialize ( CheckpointOut &  cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements DistIface::Sync.

Definition at line 306 of file dist_iface.cc.

References SERIALIZE_SCALAR.

void DistIface::SyncNode::unserialize ( CheckpointIn &  cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements DistIface::Sync.

Definition at line 313 of file dist_iface.cc.

References UNSERIALIZE_SCALAR.

Member Data Documentation

ReqType DistIface::SyncNode::needCkpt

private

Ckpt requested.

Definition at line 215 of file dist_iface.hh.

ReqType DistIface::SyncNode::needExit

private

Exit requested.

Definition at line 211 of file dist_iface.hh.

ReqType DistIface::SyncNode::needStopSync

private

Sync stop requested.

Definition at line 219 of file dist_iface.hh.

Referenced by requestStopSync().

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The documentation for this class was generated from the following files:

• dev/net/dist_iface.hh
• dev/net/dist_iface.cc