1/*
2 * Copyright (c) 2012-2014, TU Delft
3 * Copyright (c) 2012-2014, TU Eindhoven
4 * Copyright (c) 2012-2014, TU Kaiserslautern
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * 3. Neither the name of the copyright holder nor the names of its
19 * contributors may be used to endorse or promote products derived from
20 * this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
23 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
28 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
29 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * Authors: Matthias Jung
35 *          Omar Naji
36 *          Subash Kannoth
37 *          Éder F. Zulian
38 *          Felipe S. Prado
39 *
40 */
41
42#include "LibDRAMPower.h"
43
44using namespace Data;
45
46libDRAMPower::libDRAMPower(const MemorySpecification& memSpec, bool includeIoAndTermination) :
47  memSpec(memSpec),
48  counters(memSpec),
49  includeIoAndTermination(includeIoAndTermination),
50  mpm(MemoryPowerModel())
51{
52    MemBankWiseParams p (100,100,false,0,false,static_cast<unsigned>(memSpec.memArchSpec.nbrOfBanks));
53    libDRAMPower DRAMPower = libDRAMPower(memSpec, 0, p);
54}
55
56libDRAMPower::libDRAMPower(const MemorySpecification& memSpec, bool includeIoAndTermination, const Data::MemBankWiseParams& bwPowerParams) :
57  memSpec(memSpec),
58  counters(CommandAnalysis(memSpec)),
59  includeIoAndTermination(includeIoAndTermination),
60  bwPowerParams(bwPowerParams)
61{
62}
63
64libDRAMPower::~libDRAMPower()
65{
66}
67
68void libDRAMPower::doCommand(MemCommand::cmds type, int bank, int64_t timestamp)
69{
70  MemCommand cmd(type, static_cast<unsigned>(bank), timestamp);
71  cmdList.push_back(cmd);
72}
73
74void libDRAMPower::updateCounters(bool lastUpdate, int64_t timestamp)
75{
76  counters.getCommands(cmdList, lastUpdate, timestamp);
77  cmdList.clear();
78}
79
80void libDRAMPower::calcEnergy()
81{
82  updateCounters(true);
83  mpm.power_calc(memSpec, counters, includeIoAndTermination, bwPowerParams);
84}
85
86void libDRAMPower::calcWindowEnergy(int64_t timestamp)
87{
88  doCommand(MemCommand::NOP, 0, timestamp);
89  updateCounters(false, timestamp);
90  mpm.power_calc(memSpec, counters, includeIoAndTermination, bwPowerParams);
91  clearCounters(timestamp);
92}
93
94
95void libDRAMPower::clearState()
96{
97  counters.clear();
98}
99
100void libDRAMPower::clearCounters(int64_t timestamp)
101{
102  counters.clearStats(timestamp);
103}
104
105const Data::MemoryPowerModel::Energy& libDRAMPower::getEnergy() const
106{
107  return mpm.energy;
108}
109
110const Data::MemoryPowerModel::Power& libDRAMPower::getPower() const
111{
112  return mpm.power;
113}
114