#include <Sequencer.hh>

Inheritance diagram for Sequencer:

Public Types
typedef RubySequencerParams	Params

Public Types inherited from RubyPort
typedef RubyPortParams	Params

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

Public Types inherited from SimObject
typedef SimObjectParams	Params

Public Member Functions
	Sequencer (const Params *)

	~Sequencer ()

void	writeCallbackScFail (Addr address, DataBlock &data)
	Proxy function to writeCallback that first invalidates the line address in the local monitor. More...

void	wakeup ()

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

void	collateStats ()

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

void	writeCallback (Addr address, DataBlock &data, const bool externalHit=false, const MachineType mach=MachineType_NUM, const Cycles initialRequestTime=Cycles(0), const Cycles forwardRequestTime=Cycles(0), const Cycles firstResponseTime=Cycles(0))

void	readCallback (Addr address, DataBlock &data, const bool externalHit=false, const MachineType mach=MachineType_NUM, const Cycles initialRequestTime=Cycles(0), const Cycles forwardRequestTime=Cycles(0), const Cycles firstResponseTime=Cycles(0))

RequestStatus	makeRequest (PacketPtr pkt) override

bool	empty () const

int	outstandingCount () const override

bool	isDeadlockEventScheduled () const override

void	descheduleDeadlockEvent () override

void	print (std::ostream &out) const

void	checkCoherence (Addr address)

void	markRemoved ()

void	evictionCallback (Addr address)

int	coreId () const

virtual int	functionalWrite (Packet *func_pkt) override

void	recordRequestType (SequencerRequestType requestType)

Stats::Histogram &	getOutstandReqHist ()

Stats::Histogram &	getLatencyHist ()

Stats::Histogram &	getTypeLatencyHist (uint32_t t)

Stats::Histogram &	getHitLatencyHist ()

Stats::Histogram &	getHitTypeLatencyHist (uint32_t t)

Stats::Histogram &	getHitMachLatencyHist (uint32_t t)

Stats::Histogram &	getHitTypeMachLatencyHist (uint32_t r, uint32_t t)

Stats::Histogram &	getMissLatencyHist ()

Stats::Histogram &	getMissTypeLatencyHist (uint32_t t)

Stats::Histogram &	getMissMachLatencyHist (uint32_t t) const

Stats::Histogram &	getMissTypeMachLatencyHist (uint32_t r, uint32_t t) const

Stats::Histogram &	getIssueToInitialDelayHist (uint32_t t) const

Stats::Histogram &	getInitialToForwardDelayHist (const MachineType t) const

Stats::Histogram &	getForwardRequestToFirstResponseHist (const MachineType t) const

Stats::Histogram &	getFirstResponseToCompletionDelayHist (const MachineType t) const

Stats::Counter	getIncompleteTimes (const MachineType t) const

bool	llscCheckMonitor (const Addr)
	Searches for cache line address in the global monitor tagged with this Sequencer object's version id. More...

Public Member Functions inherited from RubyPort
	RubyPort (const Params *p)

virtual	~RubyPort ()

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

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

void	setController (AbstractController *_cntrl)

uint32_t	getId ()

DrainState	drain () override
	Notify an object that it needs to drain its state. More...

bool	isCPUSequencer ()

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
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...

const Params *	params () const

	SimObject (const Params *_params)

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)

void	setCurTick (Tick newVal)

	EventManager (EventManager &em)

	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	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

Private Member Functions
void	issueRequest (PacketPtr pkt, RubyRequestType type)

void	hitCallback (SequencerRequest *srequest, DataBlock &data, bool llscSuccess, const MachineType mach, const bool externalHit, const Cycles initialRequestTime, const Cycles forwardRequestTime, const Cycles firstResponseTime)

void	recordMissLatency (SequencerRequest *srequest, bool llscSuccess, const MachineType respondingMach, bool isExternalHit, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime)

RequestStatus	insertRequest (PacketPtr pkt, RubyRequestType primary_type, RubyRequestType secondary_type)

	Sequencer (const Sequencer &obj)

Sequencer &	operator= (const Sequencer &obj)

void	llscLoadLinked (const Addr)
	Places the cache line address into the global monitor tagged with this Sequencer object's version id. More...

void	llscClearMonitor (const Addr)
	Removes the cache line address from the global monitor. More...

bool	llscStoreConditional (const Addr)
	Searches for cache line address in the global monitor tagged with this Sequencer object's version id. More...

Private Attributes
int	m_max_outstanding_requests

Cycles	m_deadlock_threshold

CacheMemory *	m_dataCache_ptr

CacheMemory *	m_instCache_ptr

Cycles	m_data_cache_hit_latency

Cycles	m_inst_cache_hit_latency

std::unordered_map< Addr, std::list< SequencerRequest > >	m_RequestTable

int	m_outstanding_count

bool	m_deadlock_check_scheduled

int	m_coreId

bool	m_runningGarnetStandalone

Stats::Histogram	m_outstandReqHist
	Histogram for number of outstanding requests per cycle. More...

Stats::Histogram	m_latencyHist
	Histogram for holding latency profile of all requests. More...

std::vector< Stats::Histogram * >	m_typeLatencyHist

Stats::Histogram	m_hitLatencyHist
	Histogram for holding latency profile of all requests that hit in the controller connected to this sequencer. More...

std::vector< Stats::Histogram * >	m_hitTypeLatencyHist

std::vector< Stats::Histogram * >	m_hitMachLatencyHist
	Histograms for profiling the latencies for requests that did not required external messages. More...

std::vector< std::vector< Stats::Histogram * > >	m_hitTypeMachLatencyHist

Stats::Histogram	m_missLatencyHist
	Histogram for holding latency profile of all requests that miss in the controller connected to this sequencer. More...

std::vector< Stats::Histogram * >	m_missTypeLatencyHist

std::vector< Stats::Histogram * >	m_missMachLatencyHist
	Histograms for profiling the latencies for requests that required external messages. More...

std::vector< std::vector< Stats::Histogram * > >	m_missTypeMachLatencyHist

std::vector< Stats::Histogram * >	m_IssueToInitialDelayHist
	Histograms for recording the breakdown of miss latency. More...

std::vector< Stats::Histogram * >	m_InitialToForwardDelayHist

std::vector< Stats::Histogram * >	m_ForwardToFirstResponseDelayHist

std::vector< Stats::Histogram * >	m_FirstResponseToCompletionDelayHist

std::vector< Stats::Counter >	m_IncompleteTimes

EventFunctionWrapper	deadlockCheckEvent

Additional Inherited Members
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)

static void	unserializeGlobals (CheckpointIn &cp)

Public Attributes inherited from ClockedObject
PowerState *	powerState

Protected Member Functions inherited from RubyPort
void	trySendRetries ()

void	ruby_hit_callback (PacketPtr pkt)

void	testDrainComplete ()

void	ruby_eviction_callback (Addr address)

bool	recvTimingResp (PacketPtr pkt, PortID master_port_id)
	Called by the PIO port when receiving a timing response. 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 inherited from RubyPort
RubySystem *	m_ruby_system

uint32_t	m_version

AbstractController *	m_controller

MessageBuffer *	m_mandatory_q_ptr

bool	m_usingRubyTester

System *	system

std::vector< MemSlavePort * >	slave_ports

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...

Detailed Description

Definition at line 80 of file Sequencer.hh.

Member Typedef Documentation

◆ Params

typedef RubySequencerParams Sequencer::Params

Definition at line 83 of file Sequencer.hh.

Constructor & Destructor Documentation

◆ Sequencer() [1/2]

Sequencer::Sequencer ( const Params * p )

Definition at line 69 of file Sequencer.cc.

References m_coreId, m_dataCache_ptr, m_deadlock_threshold, m_instCache_ptr, m_max_outstanding_requests, m_outstanding_count, m_runningGarnetStandalone, MipsISA::p, and wakeup().

◆ ~Sequencer()

Sequencer::~Sequencer ( )

Definition at line 89 of file Sequencer.cc.

◆ Sequencer() [2/2]

Sequencer::Sequencer ( const Sequencer & obj )

private

Member Function Documentation

◆ checkCoherence()

void Sequencer::checkCoherence ( Addr address )

Definition at line 745 of file Sequencer.cc.

◆ collateStats()

void Sequencer::collateStats ( )

◆ coreId()

int Sequencer::coreId ( ) const

inline

Definition at line 131 of file Sequencer.hh.

References SequencerRequest::functionalWrite().

Referenced by issueRequest().

◆ descheduleDeadlockEvent()

void Sequencer::descheduleDeadlockEvent ( )

inlineoverridevirtual

Implements RubyPort.

Definition at line 123 of file Sequencer.hh.

◆ empty()

bool Sequencer::empty ( ) const

Definition at line 564 of file Sequencer.cc.

References m_RequestTable.

◆ evictionCallback()

void Sequencer::evictionCallback ( Addr address )

Definition at line 756 of file Sequencer.cc.

References llscClearMonitor(), and RubyPort::ruby_eviction_callback().

◆ functionalWrite()

int Sequencer::functionalWrite ( Packet * func_pkt )

overridevirtual

Reimplemented from RubyPort.

Definition at line 187 of file Sequencer.cc.

References RubyPort::functionalWrite(), and m_RequestTable.

◆ getFirstResponseToCompletionDelayHist()

Stats::Histogram& Sequencer::getFirstResponseToCompletionDelayHist ( const MachineType t ) const

inline

Definition at line 176 of file Sequencer.hh.

References ArmISA::t.

◆ getForwardRequestToFirstResponseHist()

Stats::Histogram& Sequencer::getForwardRequestToFirstResponseHist ( const MachineType t ) const

inline

Definition at line 172 of file Sequencer.hh.

References ArmISA::t.

◆ getHitLatencyHist()

Stats::Histogram& Sequencer::getHitLatencyHist ( )

inline

Definition at line 142 of file Sequencer.hh.

Referenced by Profiler::collateStats().

◆ getHitMachLatencyHist()

Stats::Histogram& Sequencer::getHitMachLatencyHist ( uint32_t t )

inline

Definition at line 146 of file Sequencer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getHitTypeLatencyHist()

Stats::Histogram& Sequencer::getHitTypeLatencyHist ( uint32_t t )

inline

Definition at line 143 of file Sequencer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getHitTypeMachLatencyHist()

Stats::Histogram& Sequencer::getHitTypeMachLatencyHist	(	uint32_t	r,
		uint32_t	t
	)

inline

Definition at line 149 of file Sequencer.hh.

References MipsISA::r, and ArmISA::t.

Referenced by Profiler::collateStats().

◆ getIncompleteTimes()

Stats::Counter Sequencer::getIncompleteTimes ( const MachineType t ) const

inline

Definition at line 179 of file Sequencer.hh.

References SequencerRequest::pkt, ArmISA::t, and type.

Referenced by Profiler::collateStats().

◆ getInitialToForwardDelayHist()

Stats::Histogram& Sequencer::getInitialToForwardDelayHist ( const MachineType t ) const

inline

Definition at line 168 of file Sequencer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getIssueToInitialDelayHist()

Stats::Histogram& Sequencer::getIssueToInitialDelayHist ( uint32_t t ) const

inline

Definition at line 164 of file Sequencer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getLatencyHist()

Stats::Histogram& Sequencer::getLatencyHist ( )

inline

Definition at line 138 of file Sequencer.hh.

Referenced by Profiler::collateStats().

◆ getMissLatencyHist()

Stats::Histogram& Sequencer::getMissLatencyHist ( )

inline

Definition at line 152 of file Sequencer.hh.

Referenced by Profiler::collateStats().

◆ getMissMachLatencyHist()

Stats::Histogram& Sequencer::getMissMachLatencyHist ( uint32_t t ) const

inline

Definition at line 157 of file Sequencer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getMissTypeLatencyHist()

Stats::Histogram& Sequencer::getMissTypeLatencyHist ( uint32_t t )

inline

Definition at line 154 of file Sequencer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getMissTypeMachLatencyHist()

Stats::Histogram& Sequencer::getMissTypeMachLatencyHist	(	uint32_t	r,
		uint32_t	t
	)		const

inline

Definition at line 161 of file Sequencer.hh.

References MipsISA::r, and ArmISA::t.

Referenced by Profiler::collateStats().

◆ getOutstandReqHist()

Stats::Histogram& Sequencer::getOutstandReqHist ( )

inline

Definition at line 136 of file Sequencer.hh.

Referenced by Profiler::collateStats().

◆ getTypeLatencyHist()

Stats::Histogram& Sequencer::getTypeLatencyHist ( uint32_t t )

inline

Definition at line 139 of file Sequencer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ hitCallback()

void Sequencer::hitCallback	(	SequencerRequest *	srequest,
		DataBlock &	data,
		bool	llscSuccess,
		const MachineType	mach,
		const bool	externalHit,
		const Cycles	initialRequestTime,
		const Cycles	forwardRequestTime,
		const Cycles	firstResponseTime
	)

private

◆ insertRequest()

RequestStatus Sequencer::insertRequest	(	PacketPtr	pkt,
		RubyRequestType	primary_type,
		RubyRequestType	secondary_type
	)

private

Definition at line 233 of file Sequencer.cc.

References Clocked::clockEdge(), Clocked::curCycle(), deadlockCheckEvent, Draining, Drainable::drainState(), Packet::getAddr(), m_deadlock_threshold, m_outstanding_count, m_outstandReqHist, m_RequestTable, makeLineAddress(), Stats::DistBase< Derived, Stor >::sample(), EventManager::schedule(), and Event::scheduled().

Referenced by makeRequest().

◆ isDeadlockEventScheduled()

bool Sequencer::isDeadlockEventScheduled ( ) const

inlineoverridevirtual

Implements RubyPort.

Definition at line 120 of file Sequencer.hh.

◆ issueRequest()

void Sequencer::issueRequest	(	PacketPtr	pkt,
		RubyRequestType	type
	)

private

Definition at line 680 of file Sequencer.cc.

References Clocked::clockEdge(), coreId(), curTick(), Clocked::cyclesToTicks(), DPRINTFR, MessageBuffer::enqueue(), Packet::getAddr(), Packet::getPtr(), Packet::getSize(), InvalidContextID, Packet::isFlush(), RubyPort::m_controller, RubyPort::m_mandatory_q_ptr, RubyPort::m_version, AbstractController::mandatoryQueueLatency(), MipsISA::pc, printAddress(), and Packet::req.

Referenced by makeRequest(), and readCallback().

◆ llscCheckMonitor()

bool Sequencer::llscCheckMonitor ( const Addr address )

Searches for cache line address in the global monitor tagged with this Sequencer object's version id.

Returns: a boolean indicating if the line address was found.

Definition at line 137 of file Sequencer.cc.

References AbstractCacheEntry::isLocked(), CacheMemory::lookup(), m_dataCache_ptr, RubyPort::m_version, and makeLineAddress().

◆ llscClearMonitor()

void Sequencer::llscClearMonitor ( const Addr claddr )

private

Removes the cache line address from the global monitor.

This is independent of this Sequencer object's version id.

Definition at line 105 of file Sequencer.cc.

References AbstractCacheEntry::clearLocked(), DPRINTF, AbstractCacheEntry::isLocked(), CacheMemory::lookup(), m_dataCache_ptr, and RubyPort::m_version.

Referenced by evictionCallback(), writeCallback(), and writeCallbackScFail().

◆ llscLoadLinked()

void Sequencer::llscLoadLinked ( const Addr claddr )

private

Places the cache line address into the global monitor tagged with this Sequencer object's version id.

Definition at line 94 of file Sequencer.cc.

References DPRINTF, CacheMemory::lookup(), m_dataCache_ptr, RubyPort::m_version, and AbstractCacheEntry::setLocked().

Referenced by hitCallback().

◆ llscStoreConditional()

bool Sequencer::llscStoreConditional ( const Addr claddr )

private

Searches for cache line address in the global monitor tagged with this Sequencer object's version id.

If a match is found, the entry is is erased from the global monitor.

Returns: a boolean indicating if the line address was found.

Definition at line 116 of file Sequencer.cc.

References AbstractCacheEntry::clearLocked(), DPRINTF, AbstractCacheEntry::isLocked(), CacheMemory::lookup(), m_dataCache_ptr, and RubyPort::m_version.

Referenced by writeCallback().

◆ makeRequest()

RequestStatus Sequencer::makeRequest ( PacketPtr pkt )

overridevirtual

Implements RubyPort.

Definition at line 570 of file Sequencer.cc.

References DPRINTF, X86ISA::FlagShift, Packet::getAddr(), System::getArch(), insertRequest(), AbstractController::isBlocked(), Packet::isFlush(), Packet::isLLSC(), Packet::isRead(), issueRequest(), Packet::isWrite(), RubyPort::m_controller, m_max_outstanding_requests, m_outstanding_count, makeLineAddress(), panic, Packet::req, ArmISA::status, X86ISA::StoreCheck, and RubyPort::system.

Referenced by CacheRecorder::enqueueNextFetchRequest(), and CacheRecorder::enqueueNextFlushRequest().

◆ markRemoved()

void Sequencer::markRemoved ( )

Definition at line 259 of file Sequencer.cc.

References m_outstanding_count.

Referenced by readCallback(), and writeCallback().

◆ operator=()

Sequencer& Sequencer::operator= ( const Sequencer & obj )

private

◆ outstandingCount()

int Sequencer::outstandingCount ( ) const

inlineoverridevirtual

Implements RubyPort.

Definition at line 118 of file Sequencer.hh.

◆ print()

void Sequencer::print ( std::ostream & out ) const

Definition at line 733 of file Sequencer.cc.

References m_outstanding_count, m_RequestTable, and RubyPort::m_version.

Referenced by operator<<().

◆ readCallback()

void Sequencer::readCallback	(	Addr	address,
		DataBlock &	data,
		const bool	externalHit = `false`,
		const MachineType	mach = `MachineType_NUM`,
		const Cycles	initialRequestTime = `Cycles(0)`,
		const Cycles	forwardRequestTime = `Cycles(0)`,
		const Cycles	firstResponseTime = `Cycles(0)`
	)

Definition at line 431 of file Sequencer.cc.

References hitCallback(), issueRequest(), m_RequestTable, SequencerRequest::m_second_type, SequencerRequest::m_type, makeLineAddress(), markRemoved(), SequencerRequest::pkt, and recordMissLatency().

◆ recordMissLatency()

void Sequencer::recordMissLatency	(	SequencerRequest *	srequest,
		bool	llscSuccess,
		const MachineType	respondingMach,
		bool	isExternalHit,
		Cycles	initialRequestTime,
		Cycles	forwardRequestTime,
		Cycles	firstResponseTime
	)

private

◆ recordRequestType()

void Sequencer::recordRequestType ( SequencerRequestType requestType )

Definition at line 750 of file Sequencer.cc.

References DPRINTF.

◆ regStats()

void Sequencer::regStats ( )

overridevirtual

Callback to set stat parameters.

This callback is typically used for complex stats (e.g., distributions) that need parameters in addition to a name and a description. Stat names and descriptions should typically be set from the constructor usingo from the constructor using the ADD_STAT macro.

Reimplemented from Stats::Group.

Definition at line 763 of file Sequencer.cc.

References ArmISA::i, Stats::Histogram::init(), ArmISA::j, m_FirstResponseToCompletionDelayHist, m_ForwardToFirstResponseDelayHist, m_hitLatencyHist, m_hitMachLatencyHist, m_hitTypeLatencyHist, m_hitTypeMachLatencyHist, m_InitialToForwardDelayHist, m_IssueToInitialDelayHist, m_latencyHist, m_missLatencyHist, m_missMachLatencyHist, m_missTypeLatencyHist, m_missTypeMachLatencyHist, m_outstandReqHist, m_typeLatencyHist, and Stats::Group::regStats().

◆ resetStats()

void Sequencer::resetStats ( )

overridevirtual

Callback to reset stats.

Reimplemented from Stats::Group.

Definition at line 201 of file Sequencer.cc.

References ArmISA::i, ArmISA::j, m_FirstResponseToCompletionDelayHist, m_ForwardToFirstResponseDelayHist, m_hitLatencyHist, m_hitMachLatencyHist, m_hitTypeLatencyHist, m_hitTypeMachLatencyHist, m_IncompleteTimes, m_InitialToForwardDelayHist, m_IssueToInitialDelayHist, m_latencyHist, m_missLatencyHist, m_missMachLatencyHist, m_missTypeLatencyHist, m_missTypeMachLatencyHist, m_outstandReqHist, m_typeLatencyHist, and Stats::DistBase< Derived, Stor >::reset().

◆ wakeup()

void Sequencer::wakeup ( )

Definition at line 152 of file Sequencer.cc.

References Clocked::clockEdge(), Clocked::clockPeriod(), Clocked::curCycle(), deadlockCheckEvent, Draining, Drainable::drainState(), m_deadlock_threshold, m_outstanding_count, m_RequestTable, RubyPort::m_version, panic, and EventManager::schedule().

Referenced by Sequencer().

◆ writeCallback()

void Sequencer::writeCallback	(	Addr	address,
		DataBlock &	data,
		const bool	externalHit = `false`,
		const MachineType	mach = `MachineType_NUM`,
		const Cycles	initialRequestTime = `Cycles(0)`,
		const Cycles	forwardRequestTime = `Cycles(0)`,
		const Cycles	firstResponseTime = `Cycles(0)`
	)

Definition at line 338 of file Sequencer.cc.

References AbstractController::blockOnQueue(), hitCallback(), llscClearMonitor(), llscStoreConditional(), RubyPort::m_controller, RubyPort::m_mandatory_q_ptr, m_RequestTable, SequencerRequest::m_type, makeLineAddress(), markRemoved(), SequencerRequest::pkt, recordMissLatency(), Packet::req, and AbstractController::unblock().

Referenced by writeCallbackScFail().

◆ writeCallbackScFail()

void Sequencer::writeCallbackScFail	(	Addr	address,
		DataBlock &	data
	)

Proxy function to writeCallback that first invalidates the line address in the local monitor.

Definition at line 331 of file Sequencer.cc.

References llscClearMonitor(), and writeCallback().

Member Data Documentation

◆ deadlockCheckEvent

EventFunctionWrapper Sequencer::deadlockCheckEvent

private

Definition at line 264 of file Sequencer.hh.

Referenced by insertRequest(), and wakeup().

◆ m_coreId

int Sequencer::m_coreId

private

Definition at line 226 of file Sequencer.hh.

Referenced by Sequencer().

◆ m_data_cache_hit_latency

Cycles Sequencer::m_data_cache_hit_latency

private

Definition at line 216 of file Sequencer.hh.

◆ m_dataCache_ptr

CacheMemory* Sequencer::m_dataCache_ptr

private

Definition at line 209 of file Sequencer.hh.

Referenced by llscCheckMonitor(), llscClearMonitor(), llscLoadLinked(), llscStoreConditional(), and Sequencer().

◆ m_deadlock_check_scheduled

bool Sequencer::m_deadlock_check_scheduled

private

Definition at line 224 of file Sequencer.hh.

◆ m_deadlock_threshold

Cycles Sequencer::m_deadlock_threshold

private

Definition at line 207 of file Sequencer.hh.

Referenced by insertRequest(), Sequencer(), and wakeup().

◆ m_FirstResponseToCompletionDelayHist

std::vector<Stats::Histogram *> Sequencer::m_FirstResponseToCompletionDelayHist

private

Definition at line 261 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_ForwardToFirstResponseDelayHist

std::vector<Stats::Histogram *> Sequencer::m_ForwardToFirstResponseDelayHist

private

Definition at line 260 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_hitLatencyHist

Stats::Histogram Sequencer::m_hitLatencyHist

private

Histogram for holding latency profile of all requests that hit in the controller connected to this sequencer.

Definition at line 239 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_hitMachLatencyHist

std::vector<Stats::Histogram *> Sequencer::m_hitMachLatencyHist

private

Histograms for profiling the latencies for requests that did not required external messages.

Definition at line 244 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_hitTypeLatencyHist

std::vector<Stats::Histogram *> Sequencer::m_hitTypeLatencyHist

private

Definition at line 240 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_hitTypeMachLatencyHist

std::vector< std::vector<Stats::Histogram *> > Sequencer::m_hitTypeMachLatencyHist

private

Definition at line 245 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_IncompleteTimes

std::vector<Stats::Counter> Sequencer::m_IncompleteTimes

private

Definition at line 262 of file Sequencer.hh.

Referenced by recordMissLatency(), and resetStats().

◆ m_InitialToForwardDelayHist

std::vector<Stats::Histogram *> Sequencer::m_InitialToForwardDelayHist

private

Definition at line 259 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_inst_cache_hit_latency

Cycles Sequencer::m_inst_cache_hit_latency

private

Definition at line 217 of file Sequencer.hh.

◆ m_instCache_ptr

CacheMemory* Sequencer::m_instCache_ptr

private

Definition at line 210 of file Sequencer.hh.

Referenced by Sequencer().

◆ m_IssueToInitialDelayHist

std::vector<Stats::Histogram *> Sequencer::m_IssueToInitialDelayHist

private

Histograms for recording the breakdown of miss latency.

Definition at line 258 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_latencyHist

Stats::Histogram Sequencer::m_latencyHist

private

Histogram for holding latency profile of all requests.

Definition at line 234 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_max_outstanding_requests

int Sequencer::m_max_outstanding_requests

private

Definition at line 206 of file Sequencer.hh.

Referenced by makeRequest(), and Sequencer().

◆ m_missLatencyHist

Stats::Histogram Sequencer::m_missLatencyHist

private

Histogram for holding latency profile of all requests that miss in the controller connected to this sequencer.

Definition at line 249 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_missMachLatencyHist

std::vector<Stats::Histogram *> Sequencer::m_missMachLatencyHist

private

Histograms for profiling the latencies for requests that required external messages.

Definition at line 254 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_missTypeLatencyHist

std::vector<Stats::Histogram *> Sequencer::m_missTypeLatencyHist

private

Definition at line 250 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_missTypeMachLatencyHist

std::vector< std::vector<Stats::Histogram *> > Sequencer::m_missTypeMachLatencyHist

private

Definition at line 255 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_outstanding_count

int Sequencer::m_outstanding_count

private

Definition at line 223 of file Sequencer.hh.

Referenced by insertRequest(), makeRequest(), markRemoved(), print(), Sequencer(), and wakeup().

◆ m_outstandReqHist

Stats::Histogram Sequencer::m_outstandReqHist

private

Histogram for number of outstanding requests per cycle.

Definition at line 231 of file Sequencer.hh.

Referenced by insertRequest(), regStats(), and resetStats().

◆ m_RequestTable

std::unordered_map<Addr, std::list<SequencerRequest> > Sequencer::m_RequestTable

private

Definition at line 220 of file Sequencer.hh.

Referenced by empty(), functionalWrite(), insertRequest(), print(), readCallback(), wakeup(), and writeCallback().

◆ m_runningGarnetStandalone

bool Sequencer::m_runningGarnetStandalone

private

Definition at line 228 of file Sequencer.hh.

Referenced by Sequencer().

◆ m_typeLatencyHist

std::vector<Stats::Histogram *> Sequencer::m_typeLatencyHist

private

Definition at line 235 of file Sequencer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

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

mem/ruby/system/Sequencer.hh
mem/ruby/system/Sequencer.cc

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Params

Constructor & Destructor Documentation

◆ Sequencer() [1/2]

◆ ~Sequencer()

◆ Sequencer() [2/2]

Member Function Documentation

◆ checkCoherence()

◆ collateStats()

◆ coreId()

◆ descheduleDeadlockEvent()

◆ empty()

◆ evictionCallback()

◆ functionalWrite()

◆ getFirstResponseToCompletionDelayHist()

◆ getForwardRequestToFirstResponseHist()

◆ getHitLatencyHist()

◆ getHitMachLatencyHist()

◆ getHitTypeLatencyHist()

◆ getHitTypeMachLatencyHist()

◆ getIncompleteTimes()

◆ getInitialToForwardDelayHist()

◆ getIssueToInitialDelayHist()

◆ getLatencyHist()

◆ getMissLatencyHist()

◆ getMissMachLatencyHist()

◆ getMissTypeLatencyHist()

◆ getMissTypeMachLatencyHist()

◆ getOutstandReqHist()

◆ getTypeLatencyHist()

◆ hitCallback()

◆ insertRequest()

◆ isDeadlockEventScheduled()

◆ issueRequest()

◆ llscCheckMonitor()

◆ llscClearMonitor()

◆ llscLoadLinked()

◆ llscStoreConditional()

◆ makeRequest()

◆ markRemoved()

◆ operator=()

◆ outstandingCount()

◆ print()

◆ readCallback()

◆ recordMissLatency()

◆ recordRequestType()

◆ regStats()

◆ resetStats()

◆ wakeup()

◆ writeCallback()

◆ writeCallbackScFail()

Member Data Documentation

◆ deadlockCheckEvent

◆ m_coreId

◆ m_data_cache_hit_latency

◆ m_dataCache_ptr

◆ m_deadlock_check_scheduled

◆ m_deadlock_threshold

◆ m_FirstResponseToCompletionDelayHist

◆ m_ForwardToFirstResponseDelayHist

◆ m_hitLatencyHist

◆ m_hitMachLatencyHist

◆ m_hitTypeLatencyHist

◆ m_hitTypeMachLatencyHist

◆ m_IncompleteTimes

◆ m_InitialToForwardDelayHist

◆ m_inst_cache_hit_latency

◆ m_instCache_ptr

◆ m_IssueToInitialDelayHist

◆ m_latencyHist

◆ m_max_outstanding_requests

◆ m_missLatencyHist

◆ m_missMachLatencyHist

◆ m_missTypeLatencyHist