thermal_domain.cc revision 11800
110259SAndrew.Bardsley@arm.com/* 210259SAndrew.Bardsley@arm.com * Copyright (c) 2015 ARM Limited 310259SAndrew.Bardsley@arm.com * All rights reserved 410259SAndrew.Bardsley@arm.com * 510259SAndrew.Bardsley@arm.com * The license below extends only to copyright in the software and shall 610259SAndrew.Bardsley@arm.com * not be construed as granting a license to any other intellectual 710259SAndrew.Bardsley@arm.com * property including but not limited to intellectual property relating 810259SAndrew.Bardsley@arm.com * to a hardware implementation of the functionality of the software 910259SAndrew.Bardsley@arm.com * licensed hereunder. You may use the software subject to the license 1010259SAndrew.Bardsley@arm.com * terms below provided that you ensure that this notice is replicated 1110259SAndrew.Bardsley@arm.com * unmodified and in its entirety in all distributions of the software, 1210259SAndrew.Bardsley@arm.com * modified or unmodified, in source code or in binary form. 1310259SAndrew.Bardsley@arm.com * 1410259SAndrew.Bardsley@arm.com * Redistribution and use in source and binary forms, with or without 1510259SAndrew.Bardsley@arm.com * modification, are permitted provided that the following conditions are 1610259SAndrew.Bardsley@arm.com * met: redistributions of source code must retain the above copyright 1710259SAndrew.Bardsley@arm.com * notice, this list of conditions and the following disclaimer; 1810259SAndrew.Bardsley@arm.com * redistributions in binary form must reproduce the above copyright 1910259SAndrew.Bardsley@arm.com * notice, this list of conditions and the following disclaimer in the 2010259SAndrew.Bardsley@arm.com * documentation and/or other materials provided with the distribution; 2110259SAndrew.Bardsley@arm.com * neither the name of the copyright holders nor the names of its 2210259SAndrew.Bardsley@arm.com * contributors may be used to endorse or promote products derived from 2310259SAndrew.Bardsley@arm.com * this software without specific prior written permission. 2410259SAndrew.Bardsley@arm.com * 2510259SAndrew.Bardsley@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2610259SAndrew.Bardsley@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2710259SAndrew.Bardsley@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2810259SAndrew.Bardsley@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2910259SAndrew.Bardsley@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3010259SAndrew.Bardsley@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3110259SAndrew.Bardsley@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3210259SAndrew.Bardsley@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3310259SAndrew.Bardsley@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3410259SAndrew.Bardsley@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3510259SAndrew.Bardsley@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3610259SAndrew.Bardsley@arm.com * 3710259SAndrew.Bardsley@arm.com * Authors: David Guillen Fandos 3810259SAndrew.Bardsley@arm.com */ 3910259SAndrew.Bardsley@arm.com 4010259SAndrew.Bardsley@arm.com#include "sim/power/thermal_domain.hh" 4110259SAndrew.Bardsley@arm.com 4210259SAndrew.Bardsley@arm.com#include <algorithm> 4310259SAndrew.Bardsley@arm.com 4410259SAndrew.Bardsley@arm.com#include "base/statistics.hh" 4510259SAndrew.Bardsley@arm.com#include "debug/ThermalDomain.hh" 4610259SAndrew.Bardsley@arm.com#include "params/ThermalDomain.hh" 4710259SAndrew.Bardsley@arm.com#include "sim/clocked_object.hh" 4810259SAndrew.Bardsley@arm.com#include "sim/linear_solver.hh" 4910259SAndrew.Bardsley@arm.com#include "sim/power/thermal_model.hh" 5010259SAndrew.Bardsley@arm.com#include "sim/probe/probe.hh" 5110259SAndrew.Bardsley@arm.com#include "sim/sub_system.hh" 5210259SAndrew.Bardsley@arm.com 5310259SAndrew.Bardsley@arm.comThermalDomain::ThermalDomain(const Params *p) 5410259SAndrew.Bardsley@arm.com : SimObject(p), _initTemperature(p->initial_temperature), 5510259SAndrew.Bardsley@arm.com node(NULL), subsystem(NULL) 5610319SAndreas.Sandberg@ARM.com{ 5710259SAndrew.Bardsley@arm.com} 5810259SAndrew.Bardsley@arm.com 5910259SAndrew.Bardsley@arm.comdouble 6010259SAndrew.Bardsley@arm.comThermalDomain::currentTemperature() const 6111608Snikos.nikoleris@arm.com{ 6210259SAndrew.Bardsley@arm.com return node->temp; 6310259SAndrew.Bardsley@arm.com} 6410259SAndrew.Bardsley@arm.com 6510259SAndrew.Bardsley@arm.comvoid 6610259SAndrew.Bardsley@arm.comThermalDomain::setSubSystem(SubSystem * ss) 6710259SAndrew.Bardsley@arm.com{ 6810259SAndrew.Bardsley@arm.com assert(!this->subsystem); 6910259SAndrew.Bardsley@arm.com this->subsystem = ss; 7010259SAndrew.Bardsley@arm.com 7110259SAndrew.Bardsley@arm.com ppThermalUpdate = new ProbePointArg<double>(subsystem->getProbeManager(), 7210259SAndrew.Bardsley@arm.com "thermalUpdate"); 7310259SAndrew.Bardsley@arm.com} 7410319SAndreas.Sandberg@ARM.com 7510259SAndrew.Bardsley@arm.comvoid 7610259SAndrew.Bardsley@arm.comThermalDomain::regStats() 7710259SAndrew.Bardsley@arm.com{ 7810259SAndrew.Bardsley@arm.com SimObject::regStats(); 7910259SAndrew.Bardsley@arm.com 8010259SAndrew.Bardsley@arm.com currentTemp 8110259SAndrew.Bardsley@arm.com .method(this, &ThermalDomain::currentTemperature) 8210259SAndrew.Bardsley@arm.com .name(params()->name + ".temp") 8310259SAndrew.Bardsley@arm.com .desc("Temperature in centigrate degrees") 8410259SAndrew.Bardsley@arm.com ; 8510259SAndrew.Bardsley@arm.com} 8610259SAndrew.Bardsley@arm.com 8710259SAndrew.Bardsley@arm.comvoid 8810259SAndrew.Bardsley@arm.comThermalDomain::emitUpdate() 8910259SAndrew.Bardsley@arm.com{ 9010259SAndrew.Bardsley@arm.com ppThermalUpdate->notify(node->temp); 9110259SAndrew.Bardsley@arm.com} 9210259SAndrew.Bardsley@arm.com 9310259SAndrew.Bardsley@arm.comThermalDomain * 9410259SAndrew.Bardsley@arm.comThermalDomainParams::create() 9510259SAndrew.Bardsley@arm.com{ 9610259SAndrew.Bardsley@arm.com return new ThermalDomain(this); 9710259SAndrew.Bardsley@arm.com} 9810259SAndrew.Bardsley@arm.com 9910259SAndrew.Bardsley@arm.comvoid 10010259SAndrew.Bardsley@arm.comThermalDomain::serialize(CheckpointOut &cp) const 10110259SAndrew.Bardsley@arm.com{ 10210259SAndrew.Bardsley@arm.com SERIALIZE_SCALAR(_initTemperature); 10310259SAndrew.Bardsley@arm.com} 10410259SAndrew.Bardsley@arm.com 10510259SAndrew.Bardsley@arm.comvoid 10610259SAndrew.Bardsley@arm.comThermalDomain::unserialize(CheckpointIn &cp) 10711612Sandreas.sandberg@arm.com{ 10811612Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(_initTemperature); 10910259SAndrew.Bardsley@arm.com} 11011303Ssteve.reinhardt@amd.com 11110259SAndrew.Bardsley@arm.com 11210259SAndrew.Bardsley@arm.comLinearEquation 11310259SAndrew.Bardsley@arm.comThermalDomain::getEquation(ThermalNode * tn, unsigned n, double step) const 11410259SAndrew.Bardsley@arm.com{ 11510259SAndrew.Bardsley@arm.com LinearEquation eq(n); 11610259SAndrew.Bardsley@arm.com double power = subsystem->getDynamicPower() + subsystem->getStaticPower(); 11711611SReiley.Jeyapaul@arm.com if (tn == node) 11810259SAndrew.Bardsley@arm.com eq[eq.cnt()] = power; 11910259SAndrew.Bardsley@arm.com return eq; 12010259SAndrew.Bardsley@arm.com} 12110259SAndrew.Bardsley@arm.com