State of a counter within the PMU. More...

#include <pmu.hh>

Inheritance diagram for gem5::ArmISA::PMU::CounterState:

Public Member Functions
	CounterState (PMU &pmuReference, uint64_t counter_id)

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

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

uint64_t	add (uint64_t delta)
	Add an event count to the counter and check for overflow. More...

bool	isFiltered () const

void	detach ()
	Detach the counter from its event. More...

void	attach (const std::shared_ptr< PMUEvent > &event)
	Attach this counter to an event. More...

uint64_t	getCounterId () const
	Obtain the counter id. More...

uint64_t	getValue () const
	rReturn the counter value More...

void	setValue (uint64_t val)
	overwrite the value of the counter More...

Public Member Functions inherited from gem5::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
EventTypeId	eventId
	Counter event ID. More...

PMEVTYPER_t	filter
	Filtering settings (evtCount is unused) More...

bool	enabled
	Is the counter enabled? More...

bool	overflow64
	Is this a 64-bit counter? More...

Protected Member Functions
template<typename ... Args>
void	debugCounter (const char *mainString, Args &...args) const

Protected Attributes
std::shared_ptr< PMUEvent >	sourceEvent
	PmuEvent currently in use (if any) More...

uint64_t	counterId
	id of the counter instance More...

uint64_t	value
	Current value of the counter. More...

bool	resetValue
	Flag keeping track if the counter has been reset. More...

PMU &	pmu

Additional Inherited Members
Static Public Member Functions inherited from gem5::Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section. More...

static void	generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
	Generate a checkpoint file so that the serialization can be routed to it. More...

Detailed Description

State of a counter within the PMU.

Definition at line 414 of file pmu.hh.

Constructor & Destructor Documentation

◆ CounterState()

gem5::ArmISA::PMU::CounterState::CounterState	(	PMU &	pmuReference,
		uint64_t	counter_id
	)

inline

Definition at line 416 of file pmu.hh.

Member Function Documentation

◆ add()

uint64_t gem5::ArmISA::PMU::CounterState::add ( uint64_t delta )

Add an event count to the counter and check for overflow.

Parameters

delta Number of events to add to the counter.

Returns: the quantity remaining until a counter overflow occurs.

Definition at line 761 of file pmu.cc.

References gem5::ArmISA::PMU::isFiltered().

◆ attach()

void gem5::ArmISA::PMU::CounterState::attach ( const std::shared_ptr< PMUEvent > & event )

Attach this counter to an event.

Parameters

the	event to attach the counter to

Definition at line 528 of file pmu.cc.

References gem5::MipsISA::event.

Referenced by gem5::ArmISA::PMU::regProbeListeners(), and gem5::ArmISA::PMU::updateCounter().

◆ debugCounter()

template<typename ... Args>

void gem5::ArmISA::PMU::CounterState::debugCounter	(	const char *	mainString,
		Args &...	args
	)		const

inlineprotected

Definition at line 499 of file pmu.hh.

References counterId, gem5::csprintf(), eventId, sourceEvent, and warn.

◆ detach()

void gem5::ArmISA::PMU::CounterState::detach ( )

Detach the counter from its event.

Definition at line 516 of file pmu.cc.

Referenced by gem5::ArmISA::PMU::updateCounter().

◆ getCounterId()

uint64_t gem5::ArmISA::PMU::CounterState::getCounterId ( ) const

inline

Obtain the counter id.

Returns: the pysical counter id

Definition at line 452 of file pmu.hh.

References counterId.

Referenced by gem5::ArmISA::PMU::updateCounter().

◆ getValue()

uint64_t gem5::ArmISA::PMU::CounterState::getValue ( ) const

rReturn the counter value

Returns: the counter value

Definition at line 539 of file pmu.cc.

Referenced by gem5::ArmISA::PMU::getCounterValue(), and gem5::ArmISA::PMU::readMiscRegInt().

◆ isFiltered()

bool gem5::ArmISA::PMU::CounterState::isFiltered ( ) const

Definition at line 489 of file pmu.cc.

References gem5::ArmISA::el, gem5::ArmISA::EL0, gem5::ArmISA::EL1, gem5::ArmISA::EL2, gem5::ArmISA::EL3, and panic.

◆ serialize()

void gem5::ArmISA::PMU::CounterState::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 745 of file pmu.cc.

References SERIALIZE_SCALAR.

◆ setValue()

void gem5::ArmISA::PMU::CounterState::setValue ( uint64_t val )

overwrite the value of the counter

Parameters

the	new counter value

Definition at line 551 of file pmu.cc.

References gem5::X86ISA::val.

Referenced by gem5::ArmISA::PMU::setControlReg(), gem5::ArmISA::PMU::setCounterValue(), and gem5::ArmISA::PMU::setMiscReg().

◆ unserialize()

void gem5::ArmISA::PMU::CounterState::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 753 of file pmu.cc.

References UNSERIALIZE_SCALAR.

Member Data Documentation

◆ counterId

uint64_t gem5::ArmISA::PMU::CounterState::counterId

protected

id of the counter instance

Definition at line 488 of file pmu.hh.

Referenced by debugCounter(), and getCounterId().

◆ enabled

bool gem5::ArmISA::PMU::CounterState::enabled

Is the counter enabled?

Definition at line 478 of file pmu.hh.

Referenced by gem5::ArmISA::PMU::regProbeListeners(), gem5::ArmISA::PMU::updateAllCounters(), and gem5::ArmISA::PMU::updateCounter().

◆ eventId

EventTypeId gem5::ArmISA::PMU::CounterState::eventId

Counter event ID.

Definition at line 472 of file pmu.hh.

Referenced by debugCounter(), gem5::ArmISA::PMU::getCounterTypeRegister(), gem5::ArmISA::PMU::PMU(), gem5::ArmISA::PMU::setCounterTypeRegister(), and gem5::ArmISA::PMU::updateCounter().

◆ filter

PMEVTYPER_t gem5::ArmISA::PMU::CounterState::filter

Filtering settings (evtCount is unused)

Definition at line 475 of file pmu.hh.

Referenced by gem5::ArmISA::PMU::getCounterTypeRegister(), and gem5::ArmISA::PMU::setCounterTypeRegister().

◆ overflow64

bool gem5::ArmISA::PMU::CounterState::overflow64

Is this a 64-bit counter?

Definition at line 481 of file pmu.hh.

◆ pmu

PMU& gem5::ArmISA::PMU::CounterState::pmu

protected

Definition at line 496 of file pmu.hh.

◆ resetValue

bool gem5::ArmISA::PMU::CounterState::resetValue

protected

Flag keeping track if the counter has been reset.

Definition at line 494 of file pmu.hh.

◆ sourceEvent

std::shared_ptr<PMUEvent> gem5::ArmISA::PMU::CounterState::sourceEvent

protected

PmuEvent currently in use (if any)

Definition at line 485 of file pmu.hh.

Referenced by debugCounter().

◆ value

uint64_t gem5::ArmISA::PMU::CounterState::value

protected

Current value of the counter.

Definition at line 491 of file pmu.hh.

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

arch/arm/pmu.hh
arch/arm/pmu.cc

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CounterState()

Member Function Documentation

◆ add()

◆ attach()

◆ debugCounter()

◆ detach()

◆ getCounterId()

◆ getValue()

◆ isFiltered()

◆ serialize()

◆ setValue()

◆ unserialize()

Member Data Documentation

◆ counterId

◆ enabled

◆ eventId

◆ filter

◆ overflow64

◆ pmu

◆ resetValue

◆ sourceEvent

◆ value