ticked_object.cc (10320:82a4fa2d19a0) ticked_object.cc (10905:a6ca6831e775)
1/*
2 * Copyright (c) 2013-2014 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andrew Bardsley
38 */
39
40#include "sim/ticked_object.hh"
41
42Ticked::Ticked(ClockedObject &object_,
43 Stats::Scalar *imported_num_cycles,
44 Event::Priority priority) :
45 object(object_),
46 event(*this, priority),
47 running(false),
48 lastStopped(0),
49 /* Allocate numCycles if an external stat wasn't passed in */
50 numCyclesLocal((imported_num_cycles ? NULL : new Stats::Scalar)),
51 numCycles((imported_num_cycles ? *imported_num_cycles :
52 *numCyclesLocal))
53{ }
54
55void
56Ticked::regStats()
57{
58 if (numCyclesLocal) {
59 numCycles
60 .name(object.name() + ".tickCycles")
61 .desc("Number of cycles that the object ticked or was stopped");
62 }
63
64 tickCycles
65 .name(object.name() + ".tickCycles")
66 .desc("Number of cycles that the object actually ticked");
67
68 idleCycles
69 .name(object.name() + ".idleCycles")
70 .desc("Total number of cycles that the object has spent stopped");
71 idleCycles = numCycles - tickCycles;
72}
73
74void
1/*
2 * Copyright (c) 2013-2014 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andrew Bardsley
38 */
39
40#include "sim/ticked_object.hh"
41
42Ticked::Ticked(ClockedObject &object_,
43 Stats::Scalar *imported_num_cycles,
44 Event::Priority priority) :
45 object(object_),
46 event(*this, priority),
47 running(false),
48 lastStopped(0),
49 /* Allocate numCycles if an external stat wasn't passed in */
50 numCyclesLocal((imported_num_cycles ? NULL : new Stats::Scalar)),
51 numCycles((imported_num_cycles ? *imported_num_cycles :
52 *numCyclesLocal))
53{ }
54
55void
56Ticked::regStats()
57{
58 if (numCyclesLocal) {
59 numCycles
60 .name(object.name() + ".tickCycles")
61 .desc("Number of cycles that the object ticked or was stopped");
62 }
63
64 tickCycles
65 .name(object.name() + ".tickCycles")
66 .desc("Number of cycles that the object actually ticked");
67
68 idleCycles
69 .name(object.name() + ".idleCycles")
70 .desc("Total number of cycles that the object has spent stopped");
71 idleCycles = numCycles - tickCycles;
72}
73
74void
75Ticked::serialize(std::ostream &os)
75Ticked::serialize(CheckpointOut &cp) const
76{
77 uint64_t lastStoppedUint = lastStopped;
78
76{
77 uint64_t lastStoppedUint = lastStopped;
78
79 paramOut(os, "lastStopped", lastStoppedUint);
79 paramOut(cp, "lastStopped", lastStoppedUint);
80}
81
82void
80}
81
82void
83Ticked::unserialize(Checkpoint *cp, const std::string &section)
83Ticked::unserialize(CheckpointIn &cp)
84{
85 uint64_t lastStoppedUint = 0;
86
87 /* lastStopped is optional on checkpoint restore as this object may be
88 * being restored from one which has a common base (and so possibly
89 * many common checkpointed values) but where Ticked is used in the
90 * checkpointed object but not this one.
91 * An example would be a CPU model using Ticked restores from a
92 * simple CPU without without Ticked */
84{
85 uint64_t lastStoppedUint = 0;
86
87 /* lastStopped is optional on checkpoint restore as this object may be
88 * being restored from one which has a common base (and so possibly
89 * many common checkpointed values) but where Ticked is used in the
90 * checkpointed object but not this one.
91 * An example would be a CPU model using Ticked restores from a
92 * simple CPU without without Ticked */
93 optParamIn(cp, section, "lastStopped", lastStoppedUint);
93 optParamIn(cp, "lastStopped", lastStoppedUint);
94
95 lastStopped = Cycles(lastStoppedUint);
96}
97
98TickedObject::TickedObject(TickedObjectParams *params,
99 Event::Priority priority) :
100 ClockedObject(params),
101 /* Make numCycles in Ticked */
102 Ticked(*this, NULL, priority)
103{ }
104
105void
106TickedObject::regStats()
107{
108 Ticked::regStats();
109}
110
111void
94
95 lastStopped = Cycles(lastStoppedUint);
96}
97
98TickedObject::TickedObject(TickedObjectParams *params,
99 Event::Priority priority) :
100 ClockedObject(params),
101 /* Make numCycles in Ticked */
102 Ticked(*this, NULL, priority)
103{ }
104
105void
106TickedObject::regStats()
107{
108 Ticked::regStats();
109}
110
111void
112TickedObject::serialize(std::ostream &os)
112TickedObject::serialize(CheckpointOut &cp) const
113{
113{
114 Ticked::serialize(os);
115 ClockedObject::serialize(os);
114 Ticked::serialize(cp);
115 ClockedObject::serialize(cp);
116}
117void
116}
117void
118TickedObject::unserialize(Checkpoint *cp, const std::string &section)
118TickedObject::unserialize(CheckpointIn &cp)
119{
119{
120 Ticked::unserialize(cp, section);
121 ClockedObject::unserialize(cp, section);
120 Ticked::unserialize(cp);
121 ClockedObject::unserialize(cp);
122}
122}