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+/*
+ * Copyright (c) 2015 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: David Guillen Fandos
+ */
+
+#ifndef __SIM_POWER_POWER_MODEL_HH__
+#define __SIM_POWER_POWER_MODEL_HH__
+
+#include "base/statistics.hh"
+#include "params/PowerModel.hh"
+#include "params/PowerModelState.hh"
+#include "sim/power/thermal_model.hh"
+#include "sim/probe/probe.hh"
+#include "sim/sim_object.hh"
+
+/**
+ * A PowerModelState is an abstract class used as interface to get power
+ * figures out of SimObjects
+ */
+class PowerModelState : public SimObject
+{
+ public:
+
+ typedef PowerModelStateParams Params;
+ PowerModelState(const Params *p);
+
+ /**
+ * Get the dynamic power consumption.
+ *
+ * @return Power (Watts) consumed by this object (dynamic component)
+ */
+ virtual double getDynamicPower() const = 0;
+
+ /**
+ * Get the static power consumption.
+ *
+ * @return Power (Watts) consumed by this object (static component)
+ */
+ virtual double getStaticPower() const = 0;
+
+ /**
+ * Temperature update.
+ *
+ * @param temp Current temperature of the HW part (Celsius)
+ */
+ 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;
+
+ /** Current temperature */
+ double _temp;
+
+ /** The clocked object we belong to */
+ ClockedObject * clocked_object;
+};
+
+/**
+ * A PowerModel is a class containing a power model for a SimObject.
+ * The PM describes the power consumption for every power state.
+ */
+class PowerModel : public SimObject
+{
+ public:
+
+ typedef PowerModelParams Params;
+ PowerModel(const Params *p);
+
+ /**
+ * Get the dynamic power consumption.
+ *
+ * @return Power (Watts) consumed by this object (dynamic component)
+ */
+ double getDynamicPower() const;
+
+ /**
+ * Get the static power consumption.
+ *
+ * @return Power (Watts) consumed by this object (static component)
+ */
+ 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:
+ /** Listener class to catch thermal events */
+ 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;
+
+ /** Actual power models (one per power state) */
+ std::vector<PowerModelState*> states_pm;
+
+ /** Listener to catch temperature changes in the SubSystem */
+ std::unique_ptr<ThermalProbeListener> thermalListener;
+
+ /** The subsystem this power model belongs to */
+ SubSystem * subsystem;
+
+ /** The clocked object we belong to */
+ ClockedObject * clocked_object;
+};
+
+#endif