#include <pc_count_tracker_manager.hh>

Inheritance diagram for gem5::PcCountTrackerManager:

Public Member Functions
	PcCountTrackerManager (const PcCountTrackerManagerParams &params)

void	checkCount (Addr pc)
	this function is called when PcCountTrackerProbeListener finds a target PC

int	getPcCount (Addr pc) const
	this function returns the corresponding value of count for the inputted Program Counter address.

PcCountPair	getCurrentPcCountPair () const
	this function returns the current PC Count pair

std::string	printAllTargets () const
	this function print all targets

Public Member Functions inherited from gem5::SimObject
const Params &	params () const

	SimObject (const Params &p)

virtual	~SimObject ()

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

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

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

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

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

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

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

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

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

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

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

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

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

Public Member Functions inherited from gem5::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.

void	setCurTick (Tick newVal)

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

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

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 Member Functions inherited from gem5::Drainable
DrainState	drainState () const
	Return the current drain state of an object.

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

Public Member Functions inherited from gem5::statistics::Group
	Group (Group parent, const char name=nullptr)
	Construct a new statistics group.

virtual	~Group ()

virtual void	regStats ()
	Callback to set stat parameters.

virtual void	resetStats ()
	Callback to reset stats.

virtual void	preDumpStats ()
	Callback before stats are dumped.

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

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

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

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

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

void	mergeStatGroup (Group *block)
	Merge the contents (stats & children) of a block to this block.

	Group ()=delete

	Group (const Group &)=delete

Group &	operator= (const Group &)=delete

Public Member Functions inherited from gem5::Named
	Named (const std::string &name_)

virtual	~Named ()=default

virtual std::string	name () const

Private Attributes
std::unordered_map< Addr, int >	counter
	a counter that stores all the target PC addresses and the number of times the target PC has been executed

std::unordered_set< PcCountPair, PcCountPair::HashFunction >	targetPair
	a set that stores all the PC Count pairs that should raise an exit event at

PcCountPair	currentPair
	the current PC Count pair

bool	ifListNotEmpty
	when all the PC Count pairs in the `targetPair` are encountered, and the PCCOUNTTRACK_END exit event is raised, this boolean variable becomes false and is used to stop the `check_count` from functioning.

Additional Inherited Members
Public Types inherited from gem5::SimObject
typedef SimObjectParams	Params

Static Public Member Functions inherited from gem5::SimObject
static void	serializeAll (const std::string &cpt_dir)
	Create a checkpoint by serializing all SimObjects in the system.

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

static void	setSimObjectResolver (SimObjectResolver *resolver)
	There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.

static SimObjectResolver *	getSimObjectResolver ()
	There is a single object name resolver, and it is only set when simulation is restoring from checkpoints.

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.

Protected Member Functions inherited from gem5::Drainable
	Drainable ()

virtual	~Drainable ()

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

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

Protected Attributes inherited from gem5::SimObject
const SimObjectParams &	_params
	Cached copy of the object parameters.

Protected Attributes inherited from gem5::EventManager
EventQueue *	eventq
	A pointer to this object's event queue.

Detailed Description

Definition at line 44 of file pc_count_tracker_manager.hh.

Constructor & Destructor Documentation

◆ PcCountTrackerManager()

gem5::PcCountTrackerManager::PcCountTrackerManager ( const PcCountTrackerManagerParams & params )

Definition at line 34 of file pc_count_tracker_manager.cc.

References counter, currentPair, DPRINTF, gem5::ArmISA::i, ifListNotEmpty, gem5::MipsISA::p, printAllTargets(), and targetPair.

Member Function Documentation

◆ checkCount()

void gem5::PcCountTrackerManager::checkCount ( Addr pc )

this function is called when PcCountTrackerProbeListener finds a target PC

Definition at line 56 of file pc_count_tracker_manager.cc.

References gem5::X86ISA::count, counter, currentPair, DPRINTF, gem5::exitSimLoopNow(), ifListNotEmpty, gem5::MipsISA::pc, targetPair, and gem5::PcCountPair::to_string().

Referenced by gem5::PcCountTracker::checkPc().

◆ getCurrentPcCountPair()

PcCountPair gem5::PcCountTrackerManager::getCurrentPcCountPair ( ) const

inline

this function returns the current PC Count pair

Returns: current PC Count pair

Definition at line 99 of file pc_count_tracker_manager.hh.

References currentPair.

◆ getPcCount()

int gem5::PcCountTrackerManager::getPcCount ( Addr pc ) const

inline

this function returns the corresponding value of count for the inputted Program Counter address.

If the PC address does not exist in the counter, then it returns a -1.

Parameters

pc	the targeting Program Counter address

Returns: the corresponding value of count for the inputted Program Counter address

Definition at line 86 of file pc_count_tracker_manager.hh.

References counter, and gem5::MipsISA::pc.

◆ printAllTargets()

std::string gem5::PcCountTrackerManager::printAllTargets ( ) const

inline

this function print all targets

Returns: formatted string that contains all targets

Definition at line 109 of file pc_count_tracker_manager.hh.

References gem5::ArmISA::s, and targetPair.

Referenced by PcCountTrackerManager().

Member Data Documentation

◆ counter

std::unordered_map<Addr, int> gem5::PcCountTrackerManager::counter

private

a counter that stores all the target PC addresses and the number of times the target PC has been executed

Definition at line 57 of file pc_count_tracker_manager.hh.

Referenced by checkCount(), getPcCount(), and PcCountTrackerManager().

◆ currentPair

PcCountPair gem5::PcCountTrackerManager::currentPair

private

the current PC Count pair

Definition at line 66 of file pc_count_tracker_manager.hh.

Referenced by checkCount(), getCurrentPcCountPair(), and PcCountTrackerManager().

◆ ifListNotEmpty

bool gem5::PcCountTrackerManager::ifListNotEmpty

private

when all the PC Count pairs in the targetPair are encountered, and the PCCOUNTTRACK_END exit event is raised, this boolean variable becomes false and is used to stop the check_count from functioning.

This is default as true.

Definition at line 73 of file pc_count_tracker_manager.hh.

Referenced by checkCount(), and PcCountTrackerManager().