thermal_domain.cc revision 11800
111420Sdavid.guillen@arm.com/* 211420Sdavid.guillen@arm.com * Copyright (c) 2015 ARM Limited 311420Sdavid.guillen@arm.com * All rights reserved 411420Sdavid.guillen@arm.com * 511420Sdavid.guillen@arm.com * The license below extends only to copyright in the software and shall 611420Sdavid.guillen@arm.com * not be construed as granting a license to any other intellectual 711420Sdavid.guillen@arm.com * property including but not limited to intellectual property relating 811420Sdavid.guillen@arm.com * to a hardware implementation of the functionality of the software 911420Sdavid.guillen@arm.com * licensed hereunder. You may use the software subject to the license 1011420Sdavid.guillen@arm.com * terms below provided that you ensure that this notice is replicated 1111420Sdavid.guillen@arm.com * unmodified and in its entirety in all distributions of the software, 1211420Sdavid.guillen@arm.com * modified or unmodified, in source code or in binary form. 1311420Sdavid.guillen@arm.com * 1411420Sdavid.guillen@arm.com * Redistribution and use in source and binary forms, with or without 1511420Sdavid.guillen@arm.com * modification, are permitted provided that the following conditions are 1611420Sdavid.guillen@arm.com * met: redistributions of source code must retain the above copyright 1711420Sdavid.guillen@arm.com * notice, this list of conditions and the following disclaimer; 1811420Sdavid.guillen@arm.com * redistributions in binary form must reproduce the above copyright 1911420Sdavid.guillen@arm.com * notice, this list of conditions and the following disclaimer in the 2011420Sdavid.guillen@arm.com * documentation and/or other materials provided with the distribution; 2111420Sdavid.guillen@arm.com * neither the name of the copyright holders nor the names of its 2211420Sdavid.guillen@arm.com * contributors may be used to endorse or promote products derived from 2311420Sdavid.guillen@arm.com * this software without specific prior written permission. 2411420Sdavid.guillen@arm.com * 2511420Sdavid.guillen@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2611420Sdavid.guillen@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2711420Sdavid.guillen@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2811420Sdavid.guillen@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2911420Sdavid.guillen@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3011420Sdavid.guillen@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3111420Sdavid.guillen@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3211420Sdavid.guillen@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3311420Sdavid.guillen@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3411420Sdavid.guillen@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3511420Sdavid.guillen@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3611420Sdavid.guillen@arm.com * 3711420Sdavid.guillen@arm.com * Authors: David Guillen Fandos 3811420Sdavid.guillen@arm.com */ 3911420Sdavid.guillen@arm.com 4011420Sdavid.guillen@arm.com#include "sim/power/thermal_domain.hh" 4111420Sdavid.guillen@arm.com 4211420Sdavid.guillen@arm.com#include <algorithm> 4311420Sdavid.guillen@arm.com 4411420Sdavid.guillen@arm.com#include "base/statistics.hh" 4511420Sdavid.guillen@arm.com#include "debug/ThermalDomain.hh" 4611420Sdavid.guillen@arm.com#include "params/ThermalDomain.hh" 4711800Sbrandon.potter@amd.com#include "sim/clocked_object.hh" 4811800Sbrandon.potter@amd.com#include "sim/linear_solver.hh" 4911420Sdavid.guillen@arm.com#include "sim/power/thermal_model.hh" 5011800Sbrandon.potter@amd.com#include "sim/probe/probe.hh" 5111800Sbrandon.potter@amd.com#include "sim/sub_system.hh" 5211420Sdavid.guillen@arm.com 5311420Sdavid.guillen@arm.comThermalDomain::ThermalDomain(const Params *p) 5411420Sdavid.guillen@arm.com : SimObject(p), _initTemperature(p->initial_temperature), 5511420Sdavid.guillen@arm.com node(NULL), subsystem(NULL) 5611420Sdavid.guillen@arm.com{ 5711420Sdavid.guillen@arm.com} 5811420Sdavid.guillen@arm.com 5911420Sdavid.guillen@arm.comdouble 6011420Sdavid.guillen@arm.comThermalDomain::currentTemperature() const 6111420Sdavid.guillen@arm.com{ 6211420Sdavid.guillen@arm.com return node->temp; 6311420Sdavid.guillen@arm.com} 6411420Sdavid.guillen@arm.com 6511420Sdavid.guillen@arm.comvoid 6611420Sdavid.guillen@arm.comThermalDomain::setSubSystem(SubSystem * ss) 6711420Sdavid.guillen@arm.com{ 6811420Sdavid.guillen@arm.com assert(!this->subsystem); 6911420Sdavid.guillen@arm.com this->subsystem = ss; 7011420Sdavid.guillen@arm.com 7111420Sdavid.guillen@arm.com ppThermalUpdate = new ProbePointArg<double>(subsystem->getProbeManager(), 7211420Sdavid.guillen@arm.com "thermalUpdate"); 7311420Sdavid.guillen@arm.com} 7411420Sdavid.guillen@arm.com 7511420Sdavid.guillen@arm.comvoid 7611420Sdavid.guillen@arm.comThermalDomain::regStats() 7711420Sdavid.guillen@arm.com{ 7811523Sdavid.guillen@arm.com SimObject::regStats(); 7911523Sdavid.guillen@arm.com 8011420Sdavid.guillen@arm.com currentTemp 8111420Sdavid.guillen@arm.com .method(this, &ThermalDomain::currentTemperature) 8211420Sdavid.guillen@arm.com .name(params()->name + ".temp") 8311420Sdavid.guillen@arm.com .desc("Temperature in centigrate degrees") 8411420Sdavid.guillen@arm.com ; 8511420Sdavid.guillen@arm.com} 8611420Sdavid.guillen@arm.com 8711420Sdavid.guillen@arm.comvoid 8811420Sdavid.guillen@arm.comThermalDomain::emitUpdate() 8911420Sdavid.guillen@arm.com{ 9011420Sdavid.guillen@arm.com ppThermalUpdate->notify(node->temp); 9111420Sdavid.guillen@arm.com} 9211420Sdavid.guillen@arm.com 9311420Sdavid.guillen@arm.comThermalDomain * 9411420Sdavid.guillen@arm.comThermalDomainParams::create() 9511420Sdavid.guillen@arm.com{ 9611420Sdavid.guillen@arm.com return new ThermalDomain(this); 9711420Sdavid.guillen@arm.com} 9811420Sdavid.guillen@arm.com 9911420Sdavid.guillen@arm.comvoid 10011420Sdavid.guillen@arm.comThermalDomain::serialize(CheckpointOut &cp) const 10111420Sdavid.guillen@arm.com{ 10211420Sdavid.guillen@arm.com SERIALIZE_SCALAR(_initTemperature); 10311420Sdavid.guillen@arm.com} 10411420Sdavid.guillen@arm.com 10511420Sdavid.guillen@arm.comvoid 10611420Sdavid.guillen@arm.comThermalDomain::unserialize(CheckpointIn &cp) 10711420Sdavid.guillen@arm.com{ 10811420Sdavid.guillen@arm.com UNSERIALIZE_SCALAR(_initTemperature); 10911420Sdavid.guillen@arm.com} 11011420Sdavid.guillen@arm.com 11111420Sdavid.guillen@arm.com 11211420Sdavid.guillen@arm.comLinearEquation 11311420Sdavid.guillen@arm.comThermalDomain::getEquation(ThermalNode * tn, unsigned n, double step) const 11411420Sdavid.guillen@arm.com{ 11511420Sdavid.guillen@arm.com LinearEquation eq(n); 11611528Sdavid.guillen@arm.com double power = subsystem->getDynamicPower() + subsystem->getStaticPower(); 11711420Sdavid.guillen@arm.com if (tn == node) 11811528Sdavid.guillen@arm.com eq[eq.cnt()] = power; 11911420Sdavid.guillen@arm.com return eq; 12011420Sdavid.guillen@arm.com} 121