| /* |
| * Copyright (c) 2016, 2018 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 "enums/PMType.hh" |
| #include "params/PowerModel.hh" |
| #include "params/PowerModelState.hh" |
| #include "sim/probe/probe.hh" |
| |
| class SimObject; |
| class ClockedObject; |
| |
| /** |
| * 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 ± |
| }; |
| |
| 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; |
| |
| /** The type of power model - collects all power, static or dynamic only */ |
| Enums::PMType power_model_type; |
| }; |
| |
| #endif |