Delay packets by a constant time. More...

#include <mem_delay.hh>

Inheritance diagram for SimpleMemDelay:

Public Member Functions
	SimpleMemDelay (const SimpleMemDelayParams *params)

Public Member Functions inherited from MemDelay
	MemDelay (const MemDelayParams *params)

void	init () override
	init() is called after all C++ SimObjects have been created and all ports are connected. More...

Public Member Functions inherited from ClockedObject
	ClockedObject (const ClockedObjectParams *p)

const Params *	params () const

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Public Member Functions inherited from SimObject
const Params *	params () const

	SimObject (const Params *_params)

virtual	~SimObject ()

virtual const std::string	name () const

virtual void	loadState (CheckpointIn &cp)
	loadState() is called on each SimObject when restoring from a checkpoint. More...

virtual void	initState ()
	initState() is called on each SimObject when not restoring from a checkpoint. More...

virtual void	regProbePoints ()
	Register probe points for this object. More...

virtual void	regProbeListeners ()
	Register probe listeners for this object. More...

ProbeManager *	getProbeManager ()
	Get the probe manager for this object. More...

virtual void	startup ()
	startup() is the final initialization call before simulation. More...

DrainState	drain () override
	Provide a default implementation of the drain interface for objects that don't need draining. More...

virtual void	memWriteback ()
	Write back dirty buffers to memory using functional writes. More...

virtual void	memInvalidate ()
	Invalidate the contents of memory buffers. More...

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Public Member Functions inherited from EventManager
EventQueue *	eventQueue () const

void	schedule (Event &event, Tick when)

void	deschedule (Event &event)

void	reschedule (Event &event, Tick when, bool always=false)

void	schedule (Event *event, Tick when)

void	deschedule (Event *event)

void	reschedule (Event *event, Tick when, bool always=false)

void	wakeupEventQueue (Tick when=(Tick) -1)
	This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More...

void	setCurTick (Tick newVal)

	EventManager (EventManager &em)
	Event manger manages events in the event queue. More...

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

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)

Public Member Functions inherited from Drainable
DrainState	drainState () const
	Return the current drain state of an object. More...

virtual void	notifyFork ()
	Notify a child process of a fork. More...

Public Member Functions inherited from Stats::Group
	Group (Group parent, const char name=nullptr)
	Construct a new statistics group. More...

virtual	~Group ()

virtual void	regStats ()
	Callback to set stat parameters. More...

virtual void	resetStats ()
	Callback to reset stats. More...

virtual void	preDumpStats ()
	Callback before stats are dumped. More...

void	addStat (Stats::Info *info)
	Register a stat with this group. More...

const std::map< std::string, Group * > &	getStatGroups () const
	Get all child groups associated with this object. More...

const std::vector< Info * > &	getStats () const
	Get all stats associated with this object. More...

void	addStatGroup (const char name, Group block)
	Add a stat block as a child of this block. More...

const Info *	resolveStat (std::string name) const
	Resolve a stat by its name within this group. More...

	Group ()=delete

	Group (const Group &)=delete

Group &	operator= (const Group &)=delete

Public Member Functions inherited from Clocked
void	updateClockPeriod ()
	Update the tick to the current tick. More...

Tick	clockEdge (Cycles cycles=Cycles(0)) const
	Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More...

Cycles	curCycle () const
	Determine the current cycle, corresponding to a tick aligned to a clock edge. More...

Tick	nextCycle () const
	Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More...

uint64_t	frequency () const

Tick	clockPeriod () const

double	voltage () const

Cycles	ticksToCycles (Tick t) const

Tick	cyclesToTicks (Cycles c) const

Protected Member Functions
Tick	delayReq (PacketPtr pkt) override
	Delay a request by some number of ticks. More...

Tick	delayResp (PacketPtr pkt) override
	Delay a response by some number of ticks. More...

Protected Member Functions inherited from MemDelay
Port &	getPort (const std::string &if_name, PortID idx=InvalidPortID) override
	Get a port with a given name and index. More...

bool	trySatisfyFunctional (PacketPtr pkt)

virtual Tick	delaySnoopResp (PacketPtr pkt)
	Delay a snoop response by some number of ticks. More...

Protected Member Functions inherited from Drainable
	Drainable ()

virtual	~Drainable ()

virtual void	drainResume ()
	Resume execution after a successful drain. More...

void	signalDrainDone () const
	Signal that an object is drained. More...

Protected Member Functions inherited from Clocked
	Clocked (ClockDomain &clk_domain)
	Create a clocked object and set the clock domain based on the parameters. More...

	Clocked (Clocked &)=delete

Clocked &	operator= (Clocked &)=delete

virtual	~Clocked ()
	Virtual destructor due to inheritance. More...

void	resetClock () const
	Reset the object's clock using the current global tick value. More...

virtual void	clockPeriodUpdated ()
	A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More...

Protected Attributes
const Tick	readReqDelay

const Tick	readRespDelay

const Tick	writeReqDelay

const Tick	writeRespDelay

Protected Attributes inherited from MemDelay
RequestPort	requestPort

ResponsePort	responsePort

ReqPacketQueue	reqQueue

RespPacketQueue	respQueue

SnoopRespPacketQueue	snoopRespQueue

Protected Attributes inherited from SimObject
const SimObjectParams *	_params
	Cached copy of the object parameters. More...

Protected Attributes inherited from EventManager
EventQueue *	eventq
	A pointer to this object's event queue. More...

Additional Inherited Members
Public Types inherited from ClockedObject
typedef ClockedObjectParams	Params
	Parameters of ClockedObject. More...

Public Types inherited from SimObject
typedef SimObjectParams	Params

Static Public Member Functions inherited from SimObject
static void	serializeAll (CheckpointOut &cp)
	Serialize all SimObjects in the system. More...

static SimObject *	find (const char *name)
	Find the SimObject with the given name and return a pointer to it. More...

Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section. More...

static void	serializeAll (const std::string &cpt_dir)
	Serializes all the SimObjects. More...

static void	unserializeGlobals (CheckpointIn &cp)

Public Attributes inherited from ClockedObject
PowerState *	powerState

Detailed Description

Delay packets by a constant time.

Delays can be specified separately for read requests, read responses, write requests, and write responses.

This class does not delay snoops or requests/responses that are neither reads or writes.

Definition at line 163 of file mem_delay.hh.

Constructor & Destructor Documentation

◆ SimpleMemDelay()

SimpleMemDelay::SimpleMemDelay ( const SimpleMemDelayParams * params )

Definition at line 180 of file mem_delay.cc.

Member Function Documentation

◆ delayReq()

Tick SimpleMemDelay::delayReq ( PacketPtr pkt )

overrideprotectedvirtual

Delay a request by some number of ticks.

Returns: Ticks to delay packet.

Reimplemented from MemDelay.

Definition at line 190 of file mem_delay.cc.

References Packet::isRead(), Packet::isWrite(), readReqDelay, and writeReqDelay.

◆ delayResp()

Tick SimpleMemDelay::delayResp ( PacketPtr pkt )

overrideprotectedvirtual

Delay a response by some number of ticks.

Returns: Ticks to delay packet.

Reimplemented from MemDelay.

Definition at line 202 of file mem_delay.cc.

References Packet::isRead(), Packet::isWrite(), readRespDelay, and writeRespDelay.

Member Data Documentation

◆ readReqDelay

const Tick SimpleMemDelay::readReqDelay

protected

Definition at line 173 of file mem_delay.hh.

Referenced by delayReq().

◆ readRespDelay

const Tick SimpleMemDelay::readRespDelay

protected

Definition at line 174 of file mem_delay.hh.

Referenced by delayResp().

◆ writeReqDelay

const Tick SimpleMemDelay::writeReqDelay

protected

Definition at line 176 of file mem_delay.hh.

Referenced by delayReq().

◆ writeRespDelay

const Tick SimpleMemDelay::writeRespDelay

protected

Definition at line 177 of file mem_delay.hh.

Referenced by delayResp().

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

mem/mem_delay.hh
mem/mem_delay.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SimpleMemDelay()

Member Function Documentation

◆ delayReq()

◆ delayResp()

Member Data Documentation

◆ readReqDelay

◆ readRespDelay

◆ writeReqDelay

◆ writeRespDelay