2 * Copyright (c) 2013-2014 ARM Limited
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
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8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
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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;
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23 * this software without specific prior written permission.
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
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31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 * Authors: Andrew Bardsley
40 #include "sim/ticked_object.hh"
42 #include "params/TickedObject.hh"
43 #include "sim/clocked_object.hh"
45 Ticked::Ticked(ClockedObject
&object_
,
46 Stats::Scalar
*imported_num_cycles
,
47 Event::Priority priority
) :
49 event(*this, priority
),
52 /* Allocate numCycles if an external stat wasn't passed in */
53 numCyclesLocal((imported_num_cycles
? NULL
: new Stats::Scalar
)),
54 numCycles((imported_num_cycles
? *imported_num_cycles
:
63 .name(object
.name() + ".tickCycles")
64 .desc("Number of cycles that the object ticked or was stopped");
68 .name(object
.name() + ".tickCycles")
69 .desc("Number of cycles that the object actually ticked");
72 .name(object
.name() + ".idleCycles")
73 .desc("Total number of cycles that the object has spent stopped");
74 idleCycles
= numCycles
- tickCycles
;
78 Ticked::serialize(CheckpointOut
&cp
) const
80 uint64_t lastStoppedUint
= lastStopped
;
82 paramOut(cp
, "lastStopped", lastStoppedUint
);
86 Ticked::unserialize(CheckpointIn
&cp
)
88 uint64_t lastStoppedUint
= 0;
90 /* lastStopped is optional on checkpoint restore as this object may be
91 * being restored from one which has a common base (and so possibly
92 * many common checkpointed values) but where Ticked is used in the
93 * checkpointed object but not this one.
94 * An example would be a CPU model using Ticked restores from a
95 * simple CPU without without Ticked */
96 optParamIn(cp
, "lastStopped", lastStoppedUint
);
98 lastStopped
= Cycles(lastStoppedUint
);
101 TickedObject::TickedObject(TickedObjectParams
*params
,
102 Event::Priority priority
) :
103 ClockedObject(params
),
104 /* Make numCycles in Ticked */
105 Ticked(*this, NULL
, priority
)
109 TickedObject::regStats()
115 TickedObject::serialize(CheckpointOut
&cp
) const
117 Ticked::serialize(cp
);
118 ClockedObject::serialize(cp
);
121 TickedObject::unserialize(CheckpointIn
&cp
)
123 Ticked::unserialize(cp
);
124 ClockedObject::unserialize(cp
);