Struct for holding general thread state that is needed across CPU models. More...

#include <thread_state.hh>

Inheritance diagram for ThreadState:

Public Types
typedef ThreadContext::Status	Status

Public Member Functions
	ThreadState (BaseCPU cpu, ThreadID _tid, Process _process)

virtual	~ThreadState ()

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

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

int	cpuId () const

uint32_t	socketId () const

ContextID	contextId () const

void	setContextId (ContextID id)

void	setThreadId (ThreadID id)

ThreadID	threadId () const

Tick	readLastActivate () const

Tick	readLastSuspend () const

void	initMemProxies (ThreadContext *tc)
	Initialise the physical and virtual port proxies and tie them to the data port of the CPU. More...

void	dumpFuncProfile ()

EndQuiesceEvent *	getQuiesceEvent ()

void	profileClear ()

void	profileSample ()

Kernel::Statistics *	getKernelStats ()

PortProxy &	getPhysProxy ()

PortProxy &	getVirtProxy ()

Process *	getProcessPtr ()

void	setProcessPtr (Process *p)

Counter	readFuncExeInst () const
	Reads the number of instructions functionally executed and committed. More...

void	setFuncExeInst (Counter new_val)
	Sets the total number of instructions functionally executed and committed. More...

Status	status () const
	Returns the status of this thread. More...

void	setStatus (Status new_status)
	Sets the status of this thread. More...

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 Attributes
Counter	numInst
	Number of instructions committed. More...

Stats::Scalar	numInsts
	Stat for number instructions committed. More...

Counter	numOp
	Number of ops (including micro ops) committed. More...

Stats::Scalar	numOps
	Stat for number ops (including micro ops) committed. More...

Stats::Scalar	numMemRefs
	Stat for number of memory references. More...

Counter	numLoad
	Number of simulated loads, used for tracking events based on the number of loads committed. More...

Counter	startNumLoad
	The number of simulated loads committed prior to this run. More...

Tick	lastActivate
	Last time activate was called on this thread. More...

Tick	lastSuspend
	Last time suspend was called on this thread. More...

FunctionProfile *	profile

ProfileNode *	profileNode

Addr	profilePC

EndQuiesceEvent *	quiesceEvent

Kernel::Statistics *	kernelStats

Counter	funcExeInst

unsigned	storeCondFailures

Protected Attributes
ThreadContext::Status	_status

BaseCPU *	baseCpu

ContextID	_contextId

ThreadID	_threadId

Process *	process

PortProxy *	physProxy
	A port proxy outgoing only for functional accesses to physical addresses. More...

PortProxy *	virtProxy
	A translating port proxy, outgoing only, for functional accesse to virtual addresses. 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

Detailed Description

Struct for holding general thread state that is needed across CPU models.

This includes things such as pointers to the process, memory, quiesce events, and certain stats. This can be expanded to hold more thread-specific stats within it.

Definition at line 59 of file thread_state.hh.

Member Typedef Documentation

◆ Status

typedef ThreadContext::Status ThreadState::Status

Definition at line 60 of file thread_state.hh.

Constructor & Destructor Documentation

◆ ThreadState()

ThreadState::ThreadState	(	BaseCPU *	cpu,
		ThreadID	_tid,
		Process *	_process
	)

Definition at line 46 of file thread_state.cc.

◆ ~ThreadState()

ThreadState::~ThreadState ( )

virtual

Definition at line 56 of file thread_state.cc.

References physProxy, and virtProxy.

Member Function Documentation

◆ contextId()

ContextID ThreadState::contextId ( ) const

inline

Definition at line 74 of file thread_state.hh.

Referenced by O3ThreadContext< Impl >::contextId(), and SimpleThread::contextId().

◆ cpuId()

int ThreadState::cpuId ( ) const

inline

Definition at line 70 of file thread_state.hh.

Referenced by SimpleThread::cpuId().

◆ dumpFuncProfile()

void ThreadState::dumpFuncProfile ( )

◆ getKernelStats()

Kernel::Statistics* ThreadState::getKernelStats ( )

inline

Definition at line 102 of file thread_state.hh.

Referenced by SimpleThread::getKernelStats().

◆ getPhysProxy()

PortProxy & ThreadState::getPhysProxy ( )

Definition at line 127 of file thread_state.cc.

References FullSystem, and physProxy.

Referenced by O3ThreadContext< Impl >::getPhysProxy(), and SimpleThread::getPhysProxy().

◆ getProcessPtr()

Process* ThreadState::getProcessPtr ( )

inline

Definition at line 108 of file thread_state.hh.

Referenced by O3ThreadContext< Impl >::getProcessPtr(), and SimpleThread::getProcessPtr().

◆ getQuiesceEvent()

EndQuiesceEvent* ThreadState::getQuiesceEvent ( )

inline

Definition at line 96 of file thread_state.hh.

Referenced by SimpleThread::getQuiesceEvent().

◆ getVirtProxy()

PortProxy & ThreadState::getVirtProxy ( )

Definition at line 135 of file thread_state.cc.

References virtProxy.

Referenced by SimpleThread::getVirtProxy().

◆ initMemProxies()

void ThreadState::initMemProxies ( ThreadContext * tc )

Initialise the physical and virtual port proxies and tie them to the data port of the CPU.

Parameters

tc	ThreadContext for the virtual-to-physical translation

Definition at line 102 of file thread_state.cc.

References baseCpu, BaseCPU::cacheLineSize(), FullSystem, BaseCPU::getSendFunctional(), SETranslatingPortProxy::NextPage, physProxy, process, and virtProxy.

Referenced by O3ThreadContext< Impl >::initMemProxies(), and SimpleThread::initMemProxies().

◆ profileClear()

void ThreadState::profileClear ( )

Definition at line 142 of file thread_state.cc.

References FunctionProfile::clear(), and profile.

Referenced by SimpleThread::profileClear().

◆ profileSample()

void ThreadState::profileSample ( )

Definition at line 149 of file thread_state.cc.

References profile, profileNode, profilePC, and FunctionProfile::sample().

Referenced by SimpleThread::profileSample().

◆ readFuncExeInst()

Counter ThreadState::readFuncExeInst ( ) const

inline

Reads the number of instructions functionally executed and committed.

Definition at line 128 of file thread_state.hh.

Referenced by SimpleThread::readFuncExeInst().

◆ readLastActivate()

Tick ThreadState::readLastActivate ( ) const

inline

Definition at line 82 of file thread_state.hh.

Referenced by SimpleThread::readLastActivate().

◆ readLastSuspend()

Tick ThreadState::readLastSuspend ( ) const

inline

Definition at line 84 of file thread_state.hh.

Referenced by SimpleThread::readLastSuspend().

◆ serialize()

void ThreadState::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 65 of file thread_state.cc.

References _status, FullSystem, funcExeInst, kernelStats, quiesceEvent, Event::scheduled(), Kernel::Statistics::serialize(), SERIALIZE_ENUM, SERIALIZE_SCALAR, and Event::when().

Referenced by O3ThreadState< Impl >::serialize(), and SimpleThread::serialize().

◆ setContextId()

void ThreadState::setContextId ( ContextID id )

inline

Definition at line 76 of file thread_state.hh.

References ArmISA::id.

Referenced by O3ThreadContext< Impl >::setContextId(), and SimpleThread::setContextId().

◆ setFuncExeInst()

void ThreadState::setFuncExeInst ( Counter new_val )

inline

Sets the total number of instructions functionally executed and committed.

Definition at line 133 of file thread_state.hh.

◆ setProcessPtr()

void ThreadState::setProcessPtr ( Process * p )

inline

When the process pointer changes while operating in SE Mode, the se translating port proxy needs to be reinitialized since it holds a pointer to the process class.

Definition at line 110 of file thread_state.hh.

References MipsISA::p.

Referenced by O3ThreadContext< Impl >::setProcessPtr(), and SimpleThread::setProcessPtr().

◆ setStatus()

void ThreadState::setStatus ( Status new_status )

inline

Sets the status of this thread.

Definition at line 139 of file thread_state.hh.

Referenced by O3ThreadContext< Impl >::setStatus().

◆ setThreadId()

void ThreadState::setThreadId ( ThreadID id )

inline

Definition at line 78 of file thread_state.hh.

References ArmISA::id.

Referenced by O3ThreadContext< Impl >::setThreadId(), and SimpleThread::setThreadId().

◆ socketId()

uint32_t ThreadState::socketId ( ) const

inline

Definition at line 72 of file thread_state.hh.

Referenced by SimpleThread::socketId().

◆ status()

Status ThreadState::status ( ) const

inline

Returns the status of this thread.

Definition at line 136 of file thread_state.hh.

Referenced by O3ThreadContext< Impl >::status().

◆ threadId()

ThreadID ThreadState::threadId ( ) const

inline

Definition at line 80 of file thread_state.hh.

◆ unserialize()

void ThreadState::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 83 of file thread_state.cc.

References _status, baseCpu, FullSystem, funcExeInst, kernelStats, quiesceEvent, EventManager::schedule(), Kernel::Statistics::unserialize(), UNSERIALIZE_ENUM, and UNSERIALIZE_SCALAR.

Referenced by O3ThreadState< Impl >::unserialize(), and SimpleThread::unserialize().

Member Data Documentation

◆ _contextId

ContextID ThreadState::_contextId

protected

Definition at line 169 of file thread_state.hh.

Referenced by SimpleThread::copyState().

◆ _status

ThreadContext::Status ThreadState::_status

protected

Definition at line 163 of file thread_state.hh.

Referenced by SimpleThread::activate(), SimpleThread::copyState(), SimpleThread::halt(), serialize(), SimpleThread::suspend(), and unserialize().

◆ _threadId

ThreadID ThreadState::_threadId

protected

Definition at line 172 of file thread_state.hh.

Referenced by SimpleThread::activate(), SimpleThread::copyState(), SimpleThread::halt(), and SimpleThread::suspend().

◆ baseCpu

BaseCPU* ThreadState::baseCpu

protected

Definition at line 166 of file thread_state.hh.

Referenced by SimpleThread::activate(), SimpleThread::dumpFuncProfile(), SimpleThread::halt(), initMemProxies(), SimpleThread::SimpleThread(), SimpleThread::suspend(), and unserialize().

◆ funcExeInst

Counter ThreadState::funcExeInst

Definition at line 205 of file thread_state.hh.

Referenced by SimpleThread::copyState(), BaseSimpleCPU::countInst(), O3ThreadContext< Impl >::readFuncExeInst(), serialize(), SimpleThread::takeOverFrom(), and unserialize().

◆ kernelStats

Kernel::Statistics* ThreadState::kernelStats

Definition at line 187 of file thread_state.hh.

Referenced by O3ThreadContext< Impl >::getKernelStats(), SimpleThread::regStats(), serialize(), CheckerCPU::setSystem(), SimpleThread::SimpleThread(), SimpleThread::takeOverFrom(), and unserialize().

◆ lastActivate

Tick ThreadState::lastActivate

Last time activate was called on this thread.

Definition at line 176 of file thread_state.hh.

Referenced by SimpleThread::activate(), BaseKvmCPU::activateContext(), and SimpleThread::suspend().

◆ lastSuspend

Tick ThreadState::lastSuspend

Last time suspend was called on this thread.

Definition at line 179 of file thread_state.hh.

Referenced by BaseKvmCPU::activateContext(), and SimpleThread::suspend().

◆ numInst

Counter ThreadState::numInst

Number of instructions committed.

Definition at line 144 of file thread_state.hh.

◆ numInsts

Stats::Scalar ThreadState::numInsts

Stat for number instructions committed.

Definition at line 146 of file thread_state.hh.

◆ numLoad

Counter ThreadState::numLoad

Number of simulated loads, used for tracking events based on the number of loads committed.

Definition at line 157 of file thread_state.hh.

◆ numMemRefs

Stats::Scalar ThreadState::numMemRefs

Stat for number of memory references.

Definition at line 152 of file thread_state.hh.

◆ numOp

Counter ThreadState::numOp

Number of ops (including micro ops) committed.

Definition at line 148 of file thread_state.hh.

◆ numOps

Stats::Scalar ThreadState::numOps

Stat for number ops (including micro ops) committed.

Definition at line 150 of file thread_state.hh.

◆ physProxy

PortProxy* ThreadState::physProxy

protected

A port proxy outgoing only for functional accesses to physical addresses.

Definition at line 194 of file thread_state.hh.

Referenced by getPhysProxy(), initMemProxies(), and ~ThreadState().

◆ process

Process* ThreadState::process

protected

Definition at line 190 of file thread_state.hh.

Referenced by initMemProxies(), and O3ThreadState< Impl >::syscall().

◆ profile

FunctionProfile* ThreadState::profile

Definition at line 182 of file thread_state.hh.

Referenced by O3ThreadState< Impl >::dumpFuncProfile(), SimpleThread::dumpFuncProfile(), O3ThreadState< Impl >::O3ThreadState(), BaseSimpleCPU::postExecute(), profileClear(), profileSample(), and SimpleThread::SimpleThread().

◆ profileNode

ProfileNode* ThreadState::profileNode

Definition at line 183 of file thread_state.hh.

Referenced by O3ThreadState< Impl >::O3ThreadState(), BaseSimpleCPU::postExecute(), profileSample(), and SimpleThread::SimpleThread().

◆ profilePC

Addr ThreadState::profilePC

Definition at line 184 of file thread_state.hh.

Referenced by O3ThreadState< Impl >::O3ThreadState(), BaseSimpleCPU::postExecute(), profileSample(), and SimpleThread::SimpleThread().

◆ quiesceEvent

EndQuiesceEvent* ThreadState::quiesceEvent

Definition at line 185 of file thread_state.hh.

Referenced by O3ThreadContext< Impl >::getQuiesceEvent(), serialize(), SimpleThread::SimpleThread(), and unserialize().

◆ startNumLoad

Counter ThreadState::startNumLoad

The number of simulated loads committed prior to this run.

Definition at line 160 of file thread_state.hh.

◆ storeCondFailures

unsigned ThreadState::storeCondFailures

Definition at line 210 of file thread_state.hh.

Referenced by O3ThreadContext< Impl >::readStCondFailures(), O3ThreadContext< Impl >::setStCondFailures(), and SimpleThread::takeOverFrom().

◆ virtProxy

PortProxy* ThreadState::virtProxy

protected

A translating port proxy, outgoing only, for functional accesse to virtual addresses.

Definition at line 198 of file thread_state.hh.

Referenced by getVirtProxy(), initMemProxies(), and ~ThreadState().

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

cpu/thread_state.hh
cpu/thread_state.cc

Public Types

Public Member Functions

Public Attributes

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Status

Constructor & Destructor Documentation

◆ ThreadState()

◆ ~ThreadState()

Member Function Documentation

◆ contextId()

◆ cpuId()

◆ dumpFuncProfile()

◆ getKernelStats()

◆ getPhysProxy()

◆ getProcessPtr()

◆ getQuiesceEvent()

◆ getVirtProxy()

◆ initMemProxies()

◆ profileClear()

◆ profileSample()

◆ readFuncExeInst()

◆ readLastActivate()

◆ readLastSuspend()

◆ serialize()

◆ setContextId()

◆ setFuncExeInst()

◆ setProcessPtr()

◆ setStatus()

◆ setThreadId()

◆ socketId()

◆ status()

◆ threadId()

◆ unserialize()

Member Data Documentation

◆ _contextId

◆ _status

◆ _threadId

◆ baseCpu

◆ funcExeInst

◆ kernelStats

◆ lastActivate

◆ lastSuspend

◆ numInst

◆ numInsts

◆ numLoad

◆ numMemRefs

◆ numOp

◆ numOps

◆ physProxy

◆ process

◆ profile

◆ profileNode

◆ profilePC

◆ quiesceEvent

◆ startNumLoad

◆ storeCondFailures

◆ virtProxy