src/sim/power/PowerModel.py

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# Authors: David Guillen Fandos

from m5.SimObject import *
from m5.params import *
from m5.proxy import Parent

# Enum for a type of  power model
class PMType(Enum) : vals = ['All', 'Static', 'Dynamic']

# Represents a power model for a simobj
# The model itself is also a SimObject so we can make use some
# nice features available such as Parent.any
class PowerModel(SimObject):
    type = 'PowerModel'
    cxx_header = "sim/power/power_model.hh"

    cxx_exports = [
        PyBindMethod("getDynamicPower"),
        PyBindMethod("getStaticPower"),
    ]

    # Keep a list of every model for every power state
    pm = VectorParam.PowerModelState([], "List of per-state power models.")

    # Need a reference to the system so we can query the thermal domain
    # about temperature (temperature is needed for leakage calculation)
    subsystem = Param.SubSystem(Parent.any, "subsystem")

    # Type of power model
    pm_type = Param.PMType("All", "Type of power model")

    # Ambient temperature to be used when no thermal model is present
    ambient_temp = Param.Float(25.0, "Ambient temperature")