mathexpr_powermodel.hh revision 11527
111527Sdavid.guillen@arm.com/* 211527Sdavid.guillen@arm.com * Copyright (c) 2016 ARM Limited 311527Sdavid.guillen@arm.com * All rights reserved 411527Sdavid.guillen@arm.com * 511527Sdavid.guillen@arm.com * The license below extends only to copyright in the software and shall 611527Sdavid.guillen@arm.com * not be construed as granting a license to any other intellectual 711527Sdavid.guillen@arm.com * property including but not limited to intellectual property relating 811527Sdavid.guillen@arm.com * to a hardware implementation of the functionality of the software 911527Sdavid.guillen@arm.com * licensed hereunder. You may use the software subject to the license 1011527Sdavid.guillen@arm.com * terms below provided that you ensure that this notice is replicated 1111527Sdavid.guillen@arm.com * unmodified and in its entirety in all distributions of the software, 1211527Sdavid.guillen@arm.com * modified or unmodified, in source code or in binary form. 1311527Sdavid.guillen@arm.com * 1411527Sdavid.guillen@arm.com * Redistribution and use in source and binary forms, with or without 1511527Sdavid.guillen@arm.com * modification, are permitted provided that the following conditions are 1611527Sdavid.guillen@arm.com * met: redistributions of source code must retain the above copyright 1711527Sdavid.guillen@arm.com * notice, this list of conditions and the following disclaimer; 1811527Sdavid.guillen@arm.com * redistributions in binary form must reproduce the above copyright 1911527Sdavid.guillen@arm.com * notice, this list of conditions and the following disclaimer in the 2011527Sdavid.guillen@arm.com * documentation and/or other materials provided with the distribution; 2111527Sdavid.guillen@arm.com * neither the name of the copyright holders nor the names of its 2211527Sdavid.guillen@arm.com * contributors may be used to endorse or promote products derived from 2311527Sdavid.guillen@arm.com * this software without specific prior written permission. 2411527Sdavid.guillen@arm.com * 2511527Sdavid.guillen@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2611527Sdavid.guillen@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2711527Sdavid.guillen@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2811527Sdavid.guillen@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2911527Sdavid.guillen@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3011527Sdavid.guillen@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3111527Sdavid.guillen@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3211527Sdavid.guillen@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3311527Sdavid.guillen@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3411527Sdavid.guillen@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3511527Sdavid.guillen@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3611527Sdavid.guillen@arm.com * 3711527Sdavid.guillen@arm.com * Authors: David Guillen Fandos 3811527Sdavid.guillen@arm.com */ 3911527Sdavid.guillen@arm.com 4011527Sdavid.guillen@arm.com#ifndef __SIM_MATHEXPR_POWERMODEL_PM_HH__ 4111527Sdavid.guillen@arm.com#define __SIM_MATHEXPR_POWERMODEL_PM_HH__ 4211527Sdavid.guillen@arm.com 4311527Sdavid.guillen@arm.com#include <unordered_map> 4411527Sdavid.guillen@arm.com 4511527Sdavid.guillen@arm.com#include "base/statistics.hh" 4611527Sdavid.guillen@arm.com#include "params/MathExprPowerModel.hh" 4711527Sdavid.guillen@arm.com#include "sim/mathexpr.hh" 4811527Sdavid.guillen@arm.com#include "sim/power/power_model.hh" 4911527Sdavid.guillen@arm.com#include "sim/sim_object.hh" 5011527Sdavid.guillen@arm.com 5111527Sdavid.guillen@arm.com/** 5211527Sdavid.guillen@arm.com * A Equation power model. The power is represented as a combination 5311527Sdavid.guillen@arm.com * of some stats and automatic variables (like temperature). 5411527Sdavid.guillen@arm.com */ 5511527Sdavid.guillen@arm.comclass MathExprPowerModel : public PowerModelState 5611527Sdavid.guillen@arm.com{ 5711527Sdavid.guillen@arm.com public: 5811527Sdavid.guillen@arm.com 5911527Sdavid.guillen@arm.com typedef MathExprPowerModelParams Params; 6011527Sdavid.guillen@arm.com MathExprPowerModel(const Params *p); 6111527Sdavid.guillen@arm.com 6211527Sdavid.guillen@arm.com /** 6311527Sdavid.guillen@arm.com * Get the dynamic power consumption. 6411527Sdavid.guillen@arm.com * 6511527Sdavid.guillen@arm.com * @return Power (Watts) consumed by this object (dynamic component) 6611527Sdavid.guillen@arm.com */ 6711527Sdavid.guillen@arm.com double getDynamicPower() const { 6811527Sdavid.guillen@arm.com return dyn_expr.eval( 6911527Sdavid.guillen@arm.com std::bind(&MathExprPowerModel::getStatValue, 7011527Sdavid.guillen@arm.com this, std::placeholders::_1) 7111527Sdavid.guillen@arm.com ); 7211527Sdavid.guillen@arm.com } 7311527Sdavid.guillen@arm.com 7411527Sdavid.guillen@arm.com /** 7511527Sdavid.guillen@arm.com * Get the static power consumption. 7611527Sdavid.guillen@arm.com * 7711527Sdavid.guillen@arm.com * @return Power (Watts) consumed by this object (static component) 7811527Sdavid.guillen@arm.com */ 7911527Sdavid.guillen@arm.com double getStaticPower() const { 8011527Sdavid.guillen@arm.com return st_expr.eval( 8111527Sdavid.guillen@arm.com std::bind(&MathExprPowerModel::getStatValue, 8211527Sdavid.guillen@arm.com this, std::placeholders::_1) 8311527Sdavid.guillen@arm.com ); 8411527Sdavid.guillen@arm.com } 8511527Sdavid.guillen@arm.com 8611527Sdavid.guillen@arm.com /** 8711527Sdavid.guillen@arm.com * Get the value for a variable (maps to a stat) 8811527Sdavid.guillen@arm.com * 8911527Sdavid.guillen@arm.com * @param name Name of the variable to retrieve the value from 9011527Sdavid.guillen@arm.com * 9111527Sdavid.guillen@arm.com * @return Power (Watts) consumed by this object (static component) 9211527Sdavid.guillen@arm.com */ 9311527Sdavid.guillen@arm.com double getStatValue(const std::string & name) const; 9411527Sdavid.guillen@arm.com 9511527Sdavid.guillen@arm.com void startup(); 9611527Sdavid.guillen@arm.com 9711527Sdavid.guillen@arm.com void regStats(); 9811527Sdavid.guillen@arm.com 9911527Sdavid.guillen@arm.com private: 10011527Sdavid.guillen@arm.com 10111527Sdavid.guillen@arm.com // Math expressions for dynamic and static power 10211527Sdavid.guillen@arm.com MathExpr dyn_expr, st_expr; 10311527Sdavid.guillen@arm.com 10411527Sdavid.guillen@arm.com // Basename of the object in the gem5 stats hierachy 10511527Sdavid.guillen@arm.com std::string basename; 10611527Sdavid.guillen@arm.com 10711527Sdavid.guillen@arm.com // Map that contains relevant stats for this power model 10811527Sdavid.guillen@arm.com std::unordered_map<std::string, Stats::Info*> stats_map; 10911527Sdavid.guillen@arm.com}; 11011527Sdavid.guillen@arm.com 11111527Sdavid.guillen@arm.com#endif 112