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, const bool is_64_bit)

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

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

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

bool	isFiltered () const

void	detach ()
	Detach the counter from its event.

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

uint64_t	getCounterId () const
	Obtain the counter id.

uint64_t	getValue () const
	rReturn the counter value

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

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.

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object.

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Attributes
EventTypeId	eventId
	Counter event ID.

PMEVTYPER_t	filter
	Filtering settings (evtCount is unused)

bool	enabled
	Is the counter enabled?

bool	overflow64
	Is this a 64-bit counter?

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)

uint64_t	counterId
	id of the counter instance

uint64_t	value
	Current value of the counter.

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

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.

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

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,
		const bool	is_64_bit )

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 786 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 547 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 500 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 535 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 453 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 558 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 508 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 770 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 570 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 778 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 489 of file pmu.hh.

Referenced by debugCounter(), and getCounterId().

◆ enabled

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

Is the counter enabled?

Definition at line 479 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 473 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 476 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 482 of file pmu.hh.

◆ pmu

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

protected

Definition at line 497 of file pmu.hh.

◆ resetValue

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

protected

Flag keeping track if the counter has been reset.

Definition at line 495 of file pmu.hh.

◆ sourceEvent

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

protected

PmuEvent currently in use (if any)

Definition at line 486 of file pmu.hh.

Referenced by debugCounter().

◆ value

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

protected

Current value of the counter.

Definition at line 492 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