src/sim/power/PowerModel.py

   1 # Copyright (c) 2016 ARM Limited
   2 # All rights reserved.
   3 #
   4 # The license below extends only to copyright in the software and shall
   5 # not be construed as granting a license to any other intellectual
   6 # property including but not limited to intellectual property relating
   7 # to a hardware implementation of the functionality of the software
   8 # licensed hereunder.  You may use the software subject to the license
   9 # terms below provided that you ensure that this notice is replicated
  10 # unmodified and in its entirety in all distributions of the software,
  11 # modified or unmodified, in source code or in binary form.
  12 #
  13 # Redistribution and use in source and binary forms, with or without
  14 # modification, are permitted provided that the following conditions are
  15 # met: redistributions of source code must retain the above copyright
  16 # notice, this list of conditions and the following disclaimer;
  17 # redistributions in binary form must reproduce the above copyright
  18 # notice, this list of conditions and the following disclaimer in the
  19 # documentation and/or other materials provided with the distribution;
  20 # neither the name of the copyright holders nor the names of its
  21 # contributors may be used to endorse or promote products derived from
  22 # this software without specific prior written permission.
  23 #
  24 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35 #
  36 # Authors: David Guillen Fandos
  37
  38 from m5.SimObject import *
  39 from m5.params import *
  40 from m5.proxy import Parent
  41
  42 # Represents a power model for a simobj
  43 # The model itself is also a SimObject so we can make use some
  44 # nice features available such as Parent.any
  45 class PowerModel(SimObject):
  46     type = 'PowerModel'
  47     cxx_header = "sim/power/power_model.hh"
  48
  49     cxx_exports = [
  50         PyBindMethod("getDynamicPower"),
  51         PyBindMethod("getStaticPower"),
  52     ]
  53
  54     # Keep a list of every model for every power state
  55     pm = VectorParam.PowerModelState([], "List of per-state power models.")
  56
  57     # Need a reference to the system so we can query the thermal domain
  58     # about temperature (temperature is needed for leakage calculation)
  59     subsystem = Param.SubSystem(Parent.any, "subsystem")