gem5  v21.1.0.2
thermal_domain.cc
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37 
39 
40 #include <algorithm>
41 
42 #include "base/statistics.hh"
43 #include "debug/ThermalDomain.hh"
44 #include "params/ThermalDomain.hh"
45 #include "sim/clocked_object.hh"
46 #include "sim/linear_solver.hh"
48 #include "sim/probe/probe.hh"
49 #include "sim/sub_system.hh"
50 
51 namespace gem5
52 {
53 
55  : SimObject(p), _initTemperature(p.initial_temperature),
56  node(NULL), subsystem(NULL),
57  ADD_STAT(currentTemp, statistics::units::DegreeCelsius::get(), "Temperature")
58 {
60  .functor([this]() { return currentTemperature().toCelsius(); });
61 }
62 
65 {
66  return node->temp;
67 }
68 
69 void
71 {
72  assert(!this->subsystem);
73  this->subsystem = ss;
74 
76  subsystem->getProbeManager(), "thermalUpdate");
77 }
78 
79 void
81 {
82  ppThermalUpdate->notify(node->temp);
83 }
84 
85 
87 ThermalDomain::getEquation(ThermalNode * tn, unsigned n, double step) const
88 {
90  double power = subsystem->getDynamicPower() + subsystem->getStaticPower();
91  if (tn == node)
92  eq[eq.cnt()] = power;
93  return eq;
94 }
95 
96 } // namespace gem5
gem5::Temperature::toCelsius
constexpr double toCelsius() const
Definition: temperature.hh:69
gem5::ThermalDomain::subsystem
SubSystem * subsystem
Definition: thermal_domain.hh:103
gem5::ThermalDomain::currentTemp
statistics::Value currentTemp
Stat for reporting voltage of the domain.
Definition: thermal_domain.hh:106
gem5::SubSystem::getStaticPower
double getStaticPower() const
Definition: sub_system.cc:65
thermal_model.hh
gem5::Temperature
The class stores temperatures in Kelvin and provides helper methods to convert to/from Celsius.
Definition: temperature.hh:50
gem5::ThermalDomain::Params
ThermalDomainParams Params
Definition: thermal_domain.hh:65
gem5::ThermalDomain::node
ThermalNode * node
Definition: thermal_domain.hh:102
gem5::SubSystem
The SubSystem simobject does nothing, it is just a container for other simobjects used by the configu...
Definition: sub_system.hh:60
gem5::SubSystem::getDynamicPower
double getDynamicPower() const
Definition: sub_system.cc:56
ADD_STAT
#define ADD_STAT(n,...)
Convenience macro to add a stat to a statistics group.
Definition: group.hh:75
gem5::ThermalDomain::currentTemperature
Temperature currentTemperature() const
Get the current temperature.
Definition: thermal_domain.cc:64
gem5::MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:326
statistics.hh
gem5::ThermalNode
A ThermalNode is used to connect thermal entities, such as resistors, capacitors, references and doma...
Definition: thermal_node.hh:54
gem5::LinearEquation
This class describes a linear equation with constant coefficients.
Definition: linear_solver.hh:55
ss
std::stringstream ss
Definition: trace.test.cc:45
gem5::statistics::ValueBase::functor
Derived & functor(const T &func)
Definition: statistics.hh:738
gem5::SimObject
Abstract superclass for simulation objects.
Definition: sim_object.hh:146
thermal_domain.hh
gem5::ThermalDomain::setSubSystem
void setSubSystem(SubSystem *ss)
Set the SubSystem reference we belong to.
Definition: thermal_domain.cc:70
gem5::ProbePointArg
ProbePointArg generates a point for the class of Arg.
Definition: thermal_domain.hh:54
gem5::ThermalDomain::ppThermalUpdate
ProbePointArg< Temperature > * ppThermalUpdate
Probe to signal for temperature changes in this domain.
Definition: thermal_domain.hh:109
gem5::SimObject::getProbeManager
ProbeManager * getProbeManager()
Get the probe manager for this object.
Definition: sim_object.cc:120
linear_solver.hh
sub_system.hh
gem5::ThermalDomain::ThermalDomain
ThermalDomain(const Params &p)
Definition: thermal_domain.cc:54
gem5::ThermalDomain::emitUpdate
void emitUpdate()
Emit a temperature update through probe points interface.
Definition: thermal_domain.cc:80
gem5::ArmISA::n
Bitfield< 31 > n
Definition: misc_types.hh:455
gem5::PowerISA::eq
Bitfield< 29 > eq
Definition: misc.hh:53
clocked_object.hh
gem5::ThermalDomain::getEquation
LinearEquation getEquation(ThermalNode *tn, unsigned n, double step) const override
Get nodal equation imposed by this node.
Definition: thermal_domain.cc:87
gem5::ThermalNode::temp
Temperature temp
Definition: thermal_node.hh:61
probe.hh
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40

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