2014-07-23 23:09:04 +02:00
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/*
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* Copyright (c) 2013-2014 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Andrew Bardsley
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*/
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#include "sim/ticked_object.hh"
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Ticked::Ticked(ClockedObject &object_,
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Stats::Scalar *imported_num_cycles,
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Event::Priority priority) :
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object(object_),
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event(*this, priority),
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running(false),
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lastStopped(0),
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/* Allocate numCycles if an external stat wasn't passed in */
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numCyclesLocal((imported_num_cycles ? NULL : new Stats::Scalar)),
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numCycles((imported_num_cycles ? *imported_num_cycles :
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*numCyclesLocal))
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{ }
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void
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Ticked::regStats()
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{
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if (numCyclesLocal) {
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numCycles
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.name(object.name() + ".tickCycles")
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.desc("Number of cycles that the object ticked or was stopped");
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}
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tickCycles
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.name(object.name() + ".tickCycles")
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.desc("Number of cycles that the object actually ticked");
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idleCycles
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.name(object.name() + ".idleCycles")
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.desc("Total number of cycles that the object has spent stopped");
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idleCycles = numCycles - tickCycles;
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}
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void
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2015-07-07 10:51:03 +02:00
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Ticked::serialize(CheckpointOut &cp) const
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2014-07-23 23:09:04 +02:00
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{
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uint64_t lastStoppedUint = lastStopped;
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2015-07-07 10:51:03 +02:00
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paramOut(cp, "lastStopped", lastStoppedUint);
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2014-07-23 23:09:04 +02:00
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}
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void
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2015-07-07 10:51:03 +02:00
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Ticked::unserialize(CheckpointIn &cp)
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2014-07-23 23:09:04 +02:00
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{
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2014-09-03 13:42:25 +02:00
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uint64_t lastStoppedUint = 0;
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2014-07-23 23:09:04 +02:00
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2014-09-03 13:42:25 +02:00
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/* lastStopped is optional on checkpoint restore as this object may be
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* being restored from one which has a common base (and so possibly
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* many common checkpointed values) but where Ticked is used in the
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* checkpointed object but not this one.
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* An example would be a CPU model using Ticked restores from a
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* simple CPU without without Ticked */
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2015-07-07 10:51:03 +02:00
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optParamIn(cp, "lastStopped", lastStoppedUint);
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2014-07-23 23:09:04 +02:00
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lastStopped = Cycles(lastStoppedUint);
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}
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TickedObject::TickedObject(TickedObjectParams *params,
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Event::Priority priority) :
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ClockedObject(params),
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/* Make numCycles in Ticked */
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Ticked(*this, NULL, priority)
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{ }
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void
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TickedObject::regStats()
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{
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Ticked::regStats();
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}
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void
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2015-07-07 10:51:03 +02:00
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TickedObject::serialize(CheckpointOut &cp) const
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2014-07-23 23:09:04 +02:00
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{
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2015-07-07 10:51:03 +02:00
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Ticked::serialize(cp);
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ClockedObject::serialize(cp);
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2014-07-23 23:09:04 +02:00
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}
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void
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2015-07-07 10:51:03 +02:00
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TickedObject::unserialize(CheckpointIn &cp)
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2014-07-23 23:09:04 +02:00
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{
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2015-07-07 10:51:03 +02:00
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Ticked::unserialize(cp);
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ClockedObject::unserialize(cp);
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2014-07-23 23:09:04 +02:00
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}
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