thermal_domain.cc

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 * Authors: David Guillen Fandos
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#include "sim/power/thermal_domain.hh"

#include <algorithm>

#include "base/statistics.hh"
#include "debug/ThermalDomain.hh"
#include "params/ThermalDomain.hh"
#include "sim/clocked_object.hh"
#include "sim/linear_solver.hh"
#include "sim/power/thermal_model.hh"
#include "sim/probe/probe.hh"
#include "sim/sub_system.hh"

ThermalDomain::ThermalDomain(const Params *p)
    : SimObject(p), _initTemperature(p->initial_temperature),
    node(NULL), subsystem(NULL)
{
}

double
ThermalDomain::currentTemperature() const
{
    return node->temp;
}

void
ThermalDomain::setSubSystem(SubSystem * ss)
{
    assert(!this->subsystem);
    this->subsystem = ss;

    ppThermalUpdate = new ProbePointArg<double>(subsystem->getProbeManager(),
                                                "thermalUpdate");
}

void
ThermalDomain::regStats()
{
    SimObject::regStats();

    currentTemp
        .method(this, &ThermalDomain::currentTemperature)
        .name(params()->name + ".temp")
        .desc("Temperature in centigrate degrees")
        ;
}

void
ThermalDomain::emitUpdate()
{
    ppThermalUpdate->notify(node->temp);
}

ThermalDomain *
ThermalDomainParams::create()
{
    return new ThermalDomain(this);
}

void
ThermalDomain::serialize(CheckpointOut &cp) const
{
    SERIALIZE_SCALAR(_initTemperature);
}

void
ThermalDomain::unserialize(CheckpointIn &cp)
{
    UNSERIALIZE_SCALAR(_initTemperature);
}


LinearEquation
ThermalDomain::getEquation(ThermalNode * tn, unsigned n, double step) const
{
    LinearEquation eq(n);
    double power = subsystem->getDynamicPower() + subsystem->getStaticPower();
    if (tn == node)
        eq[eq.cnt()] = power;
    return eq;
}