gem5::ThermalCapacitor Class Reference

A ThermalCapacitor is used to model a thermal capacitance between two thermal domains. More...

#include <thermal_model.hh>

Inheritance diagram for gem5::ThermalCapacitor:

Public Types
typedef ThermalCapacitorParams	Params
Public Types inherited from gem5::SimObject
typedef SimObjectParams	Params

Public Member Functions
	ThermalCapacitor (const Params &p)
	ThermalCapacitor.
LinearEquation	getEquation (ThermalNode *tn, unsigned n, double step) const override
void	setNodes (ThermalNode *n1, ThermalNode *n2)
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
const double	_capacitance
ThermalNode *	node1
ThermalNode *	node2

Additional Inherited Members
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

A ThermalCapacitor is used to model a thermal capacitance between two thermal domains.

This domains can be either a reference (fixed temp.) or a heat producer (power source).

Definition at line 89 of file thermal_model.hh.

Member Typedef Documentation

Params

typedef ThermalCapacitorParams gem5::ThermalCapacitor::Params

Definition at line 92 of file thermal_model.hh.

Constructor & Destructor Documentation

ThermalCapacitor()

gem5::ThermalCapacitor::ThermalCapacitor

(

const Params &

p

)

ThermalCapacitor.

Definition at line 106 of file thermal_model.cc.

Member Function Documentation

getEquation()

LinearEquation gem5::ThermalCapacitor::getEquation ( ThermalNode * tn, unsigned n, double step ) const

overridevirtual

Implements gem5::ThermalEntity.

Definition at line 112 of file thermal_model.cc.

References _capacitance, gem5::PowerISA::eq, gem5::ThermalNode::id, gem5::ThermalNode::isref, gem5::ArmISA::n, node1, node2, gem5::ThermalNode::temp, and gem5::Temperature::toKelvin().

setNodes()

void gem5::ThermalCapacitor::setNodes ( ThermalNode * n1, ThermalNode * n2 )

inline

Definition at line 98 of file thermal_model.hh.

References node1, and node2.

Member Data Documentation

_capacitance

const double gem5::ThermalCapacitor::_capacitance

private

Definition at line 105 of file thermal_model.hh.

Referenced by getEquation().

node1

ThermalNode* gem5::ThermalCapacitor::node1

private

Definition at line 107 of file thermal_model.hh.

Referenced by getEquation(), and setNodes().

node2

ThermalNode * gem5::ThermalCapacitor::node2

private

Definition at line 107 of file thermal_model.hh.

Referenced by getEquation(), and setNodes().

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

• sim/power/thermal_model.hh
• sim/power/thermal_model.cc