power_model.hh

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 * to a hardware implementation of the functionality of the software
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 * Authors: David Guillen Fandos
 */

#ifndef __SIM_POWER_POWER_MODEL_HH__
#define __SIM_POWER_POWER_MODEL_HH__

#include "base/statistics.hh"
#include "enums/PMType.hh"
#include "params/PowerModel.hh"
#include "params/PowerModelState.hh"
#include "sim/probe/probe.hh"

class SimObject;
class ClockedObject;

class PowerModelState : public SimObject
{
  public:

    typedef PowerModelStateParams Params;
    PowerModelState(const Params *p);

    virtual double getDynamicPower() const = 0;

    virtual double getStaticPower() const = 0;

    virtual void setTemperature(double temp) { _temp = temp; }

    void setClockedObject(ClockedObject * clkobj) {
        clocked_object = clkobj;
    }

    void regStats() {
        dynamicPower
          .method(this, &PowerModelState::getDynamicPower)
          .name(params()->name + ".dynamic_power")
          .desc("Dynamic power for this object (Watts)")
        ;

        staticPower
          .method(this, &PowerModelState::getStaticPower)
          .name(params()->name + ".static_power")
          .desc("Static power for this object (Watts)")
        ;
    }

  protected:
    Stats::Value dynamicPower, staticPower;

    double _temp;

    ClockedObject * clocked_object;
};

class PowerModel : public SimObject
{
  public:

    typedef PowerModelParams Params;
    PowerModel(const Params *p);

    double getDynamicPower() const;

    double getStaticPower() const;

    void regStats() {
        dynamicPower
          .method(this, &PowerModel::getDynamicPower)
          .name(params()->name + ".dynamic_power")
          .desc("Dynamic power for this power state")
        ;

        staticPower
          .method(this, &PowerModel::getStaticPower)
          .name(params()->name + ".static_power")
          .desc("Static power for this power state")
        ;
    }

    void setClockedObject(ClockedObject *clkobj);

    virtual void regProbePoints();

    void thermalUpdateCallback(const double & temp);

  protected:
    class ThermalProbeListener : public ProbeListenerArgBase<double>
    {
      public:
        ThermalProbeListener(PowerModel &_pm, ProbeManager *pm,
                      const std::string &name)
            : ProbeListenerArgBase(pm, name), pm(_pm) {}

        void notify(const double &temp)
        {
            pm.thermalUpdateCallback(temp);
        }

      protected:
        PowerModel &pm;
    };

    Stats::Value dynamicPower, staticPower;

    std::vector<PowerModelState*> states_pm;

    std::unique_ptr<ThermalProbeListener> thermalListener;

    SubSystem * subsystem;

    ClockedObject * clocked_object;

    Enums::PMType power_model_type;
};

#endif