mathexpr_powermodel.cc 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#include "sim/power/mathexpr_powermodel.hh" 4111527Sdavid.guillen@arm.com 4211527Sdavid.guillen@arm.com#include "base/statistics.hh" 4311527Sdavid.guillen@arm.com#include "params/MathExprPowerModel.hh" 4411527Sdavid.guillen@arm.com#include "sim/mathexpr.hh" 4511527Sdavid.guillen@arm.com#include "sim/power/thermal_model.hh" 4611527Sdavid.guillen@arm.com#include "sim/sim_object.hh" 4711527Sdavid.guillen@arm.com 4811527Sdavid.guillen@arm.comMathExprPowerModel::MathExprPowerModel(const Params *p) 4911527Sdavid.guillen@arm.com : PowerModelState(p), dyn_expr(p->dyn), st_expr(p->st) 5011527Sdavid.guillen@arm.com{ 5111527Sdavid.guillen@arm.com // Calculate the name of the object we belong to 5211527Sdavid.guillen@arm.com std::vector<std::string> path; 5311527Sdavid.guillen@arm.com tokenize(path, name(), '.', true); 5411527Sdavid.guillen@arm.com // It's something like xyz.power_model.pm2 5511527Sdavid.guillen@arm.com assert(path.size() > 2); 5611527Sdavid.guillen@arm.com for (unsigned i = 0; i < path.size() - 2; i++) 5711527Sdavid.guillen@arm.com basename += path[i] + "."; 5811527Sdavid.guillen@arm.com} 5911527Sdavid.guillen@arm.com 6011527Sdavid.guillen@arm.comvoid 6111527Sdavid.guillen@arm.comMathExprPowerModel::startup() 6211527Sdavid.guillen@arm.com{ 6311527Sdavid.guillen@arm.com // Create a map with stats and pointers for quick access 6411527Sdavid.guillen@arm.com // Has to be done here, since we need access to the statsList 6511527Sdavid.guillen@arm.com for (auto & i: Stats::statsList()) 6611527Sdavid.guillen@arm.com if (i->name.find(basename) == 0) 6711527Sdavid.guillen@arm.com stats_map[i->name.substr(basename.size())] = i; 6811527Sdavid.guillen@arm.com} 6911527Sdavid.guillen@arm.com 7011527Sdavid.guillen@arm.comdouble 7111527Sdavid.guillen@arm.comMathExprPowerModel::getStatValue(const std::string &name) const 7211527Sdavid.guillen@arm.com{ 7311527Sdavid.guillen@arm.com using namespace Stats; 7411527Sdavid.guillen@arm.com 7511527Sdavid.guillen@arm.com // Automatic variables: 7611527Sdavid.guillen@arm.com if (name == "temp") 7711527Sdavid.guillen@arm.com return _temp; 7811527Sdavid.guillen@arm.com 7911527Sdavid.guillen@arm.com // Try to cast the stat, only these are supported right now 8011527Sdavid.guillen@arm.com Info *info = stats_map.at(name); 8111527Sdavid.guillen@arm.com 8211527Sdavid.guillen@arm.com ScalarInfo *si = dynamic_cast<ScalarInfo*>(info); 8311527Sdavid.guillen@arm.com if (si) 8411527Sdavid.guillen@arm.com return si->value(); 8511527Sdavid.guillen@arm.com FormulaInfo *fi = dynamic_cast<FormulaInfo*>(info); 8611527Sdavid.guillen@arm.com if (fi) 8711527Sdavid.guillen@arm.com return fi->total(); 8811527Sdavid.guillen@arm.com 8911527Sdavid.guillen@arm.com panic("Unknown stat type!\n"); 9011527Sdavid.guillen@arm.com} 9111527Sdavid.guillen@arm.com 9211527Sdavid.guillen@arm.comvoid 9311527Sdavid.guillen@arm.comMathExprPowerModel::regStats() 9411527Sdavid.guillen@arm.com{ 9511527Sdavid.guillen@arm.com PowerModelState::regStats(); 9611527Sdavid.guillen@arm.com} 9711527Sdavid.guillen@arm.com 9811527Sdavid.guillen@arm.comMathExprPowerModel* 9911527Sdavid.guillen@arm.comMathExprPowerModelParams::create() 10011527Sdavid.guillen@arm.com{ 10111527Sdavid.guillen@arm.com return new MathExprPowerModel(this); 10211527Sdavid.guillen@arm.com} 103