summaryrefslogtreecommitdiff
path: root/src/sim/power/thermal_domain.cc
blob: 4b840670d85e20424ca6ccded46bc3aace43556c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
/*
 * Copyright (c) 2015 ARM Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
 * unmodified and in its entirety in all distributions of the software,
 * modified or unmodified, in source code or in binary form.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors: David Guillen Fandos
 */

#include "sim/power/thermal_domain.hh"

#include <algorithm>

#include "base/statistics.hh"
#include "debug/ThermalDomain.hh"
#include "params/ThermalDomain.hh"
#include "sim/power/thermal_model.hh"
#include "sim/sim_object.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()
{
    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);
    if (tn == node)
        eq[eq.cnt()] = 1.75f; // Fake 1.75 Watts for now, to be changed to PM
    return eq;
}