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PowerModel Class Reference

A PowerModel is a class containing a power model for a SimObject. More...

#include <power_model.hh>

Inheritance diagram for PowerModel:
SimObject EventManager Serializable Drainable

Classes

class  ThermalProbeListener
 Listener class to catch thermal events. More...
 

Public Types

typedef PowerModelParams Params
 
- Public Types inherited from SimObject
typedef SimObjectParams Params
 

Public Member Functions

 PowerModel (const Params *p)
 
double getDynamicPower () const
 Get the dynamic power consumption. More...
 
double getStaticPower () const
 Get the static power consumption. More...
 
void regStats ()
 Register statistics for this object. More...
 
void setClockedObject (ClockedObject *clkobj)
 
virtual void regProbePoints ()
 Register probe points for this object. More...
 
void thermalUpdateCallback (const double &temp)
 
- Public Member Functions inherited from SimObject
const Paramsparams () const
 
 SimObject (const Params *_params)
 
virtual ~SimObject ()
 
virtual const std::string name () const
 
virtual void init ()
 init() is called after all C++ SimObjects have been created and all ports are connected. More...
 
virtual void loadState (CheckpointIn &cp)
 loadState() is called on each SimObject when restoring from a checkpoint. More...
 
virtual void initState ()
 initState() is called on each SimObject when not restoring from a checkpoint. More...
 
virtual void resetStats ()
 Reset statistics associated with this object. More...
 
virtual void regProbeListeners ()
 Register probe listeners for this object. More...
 
ProbeManagergetProbeManager ()
 Get the probe manager for this object. More...
 
virtual void startup ()
 startup() is the final initialization call before simulation. More...
 
DrainState drain () override
 Provide a default implementation of the drain interface for objects that don't need draining. More...
 
virtual void memWriteback ()
 Write back dirty buffers to memory using functional writes. More...
 
virtual void memInvalidate ()
 Invalidate the contents of memory buffers. More...
 
void serialize (CheckpointOut &cp) const override
 Serialize an object. More...
 
void unserialize (CheckpointIn &cp) override
 Unserialize an object. More...
 
- Public Member Functions inherited from EventManager
 EventManager (EventManager &em)
 
 EventManager (EventManager *em)
 
 EventManager (EventQueue *eq)
 
EventQueueeventQueue () 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)
 
void setCurTick (Tick newVal)
 
- 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 Member Functions inherited from Drainable
DrainState drainState () const
 Return the current drain state of an object. More...
 
virtual void notifyFork ()
 Notify a child process of a fork. More...
 

Protected Attributes

Stats::Value dynamicPower
 
Stats::Value staticPower
 
std::vector< PowerModelState * > states_pm
 Actual power models (one per power state) More...
 
std::unique_ptr
< ThermalProbeListener
thermalListener
 Listener to catch temperature changes in the SubSystem. More...
 
SubSystemsubsystem
 The subsystem this power model belongs to. More...
 
ClockedObjectclocked_object
 The clocked object we belong to. More...
 
- Protected Attributes inherited from SimObject
const SimObjectParams * _params
 Cached copy of the object parameters. More...
 
- Protected Attributes inherited from EventManager
EventQueueeventq
 A pointer to this object's event queue. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from SimObject
static void serializeAll (CheckpointOut &cp)
 Serialize all SimObjects in the system. More...
 
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it. More...
 
- 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
 
- Protected Member Functions inherited from Drainable
 Drainable ()
 
virtual ~Drainable ()
 
virtual void drainResume ()
 Resume execution after a successful drain. More...
 
void signalDrainDone () const
 Signal that an object is drained. More...
 

Detailed Description

A PowerModel is a class containing a power model for a SimObject.

The PM describes the power consumption for every power state.

Definition at line 115 of file power_model.hh.

Member Typedef Documentation

typedef PowerModelParams PowerModel::Params

Definition at line 119 of file power_model.hh.

Constructor & Destructor Documentation

PowerModel::PowerModel ( const Params p)

Definition at line 53 of file power_model.cc.

References panic_if(), SubSystem::registerPowerProducer(), and subsystem.

Member Function Documentation

double PowerModel::getDynamicPower ( ) const

Get the dynamic power consumption.

Returns
Power (Watts) consumed by this object (dynamic component)

Definition at line 93 of file power_model.cc.

References clocked_object, ArmISA::f, ArmISA::i, power(), ClockedObject::pwrStateWeights(), states_pm, MipsISA::w, and warn_if.

Referenced by regStats().

double PowerModel::getStaticPower ( ) const

Get the static power consumption.

Returns
Power (Watts) consumed by this object (static component)

Definition at line 115 of file power_model.cc.

References clocked_object, ArmISA::f, ArmISA::i, power(), ClockedObject::pwrStateWeights(), states_pm, MipsISA::w, and warn.

Referenced by regStats().

void PowerModel::regProbePoints ( )
virtual

Register probe points for this object.

No probe points by default, so do nothing in base.

Reimplemented from SimObject.

Definition at line 79 of file power_model.cc.

References SimObject::getProbeManager(), subsystem, and thermalListener.

void PowerModel::regStats ( )
inlinevirtual
void PowerModel::setClockedObject ( ClockedObject clkobj)

Definition at line 63 of file power_model.cc.

References clocked_object, and states_pm.

void PowerModel::thermalUpdateCallback ( const double &  temp)

Definition at line 72 of file power_model.cc.

References states_pm.

Referenced by PowerModel::ThermalProbeListener::notify().

Member Data Documentation

ClockedObject* PowerModel::clocked_object
protected

The clocked object we belong to.

Definition at line 186 of file power_model.hh.

Referenced by getDynamicPower(), getStaticPower(), and setClockedObject().

Stats::Value PowerModel::dynamicPower
protected

Definition at line 174 of file power_model.hh.

Referenced by regStats().

std::vector<PowerModelState*> PowerModel::states_pm
protected

Actual power models (one per power state)

Definition at line 177 of file power_model.hh.

Referenced by getDynamicPower(), getStaticPower(), setClockedObject(), and thermalUpdateCallback().

Stats::Value PowerModel::staticPower
protected

Definition at line 174 of file power_model.hh.

Referenced by regStats().

SubSystem* PowerModel::subsystem
protected

The subsystem this power model belongs to.

Definition at line 183 of file power_model.hh.

Referenced by PowerModel(), and regProbePoints().

std::unique_ptr<ThermalProbeListener> PowerModel::thermalListener
protected

Listener to catch temperature changes in the SubSystem.

Definition at line 180 of file power_model.hh.

Referenced by regProbePoints().


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

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