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Diffstat (limited to 'src/sim/ticked_object.cc')
-rw-r--r-- | src/sim/ticked_object.cc | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/sim/ticked_object.cc b/src/sim/ticked_object.cc new file mode 100644 index 000000000..22a149388 --- /dev/null +++ b/src/sim/ticked_object.cc @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2013-2014 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: Andrew Bardsley + */ + +#include "sim/ticked_object.hh" + +Ticked::Ticked(ClockedObject &object_, + Stats::Scalar *imported_num_cycles, + Event::Priority priority) : + object(object_), + event(*this, priority), + running(false), + lastStopped(0), + /* Allocate numCycles if an external stat wasn't passed in */ + numCyclesLocal((imported_num_cycles ? NULL : new Stats::Scalar)), + numCycles((imported_num_cycles ? *imported_num_cycles : + *numCyclesLocal)) +{ } + +void +Ticked::regStats() +{ + if (numCyclesLocal) { + numCycles + .name(object.name() + ".tickCycles") + .desc("Number of cycles that the object ticked or was stopped"); + } + + tickCycles + .name(object.name() + ".tickCycles") + .desc("Number of cycles that the object actually ticked"); + + idleCycles + .name(object.name() + ".idleCycles") + .desc("Total number of cycles that the object has spent stopped"); + idleCycles = numCycles - tickCycles; +} + +void +Ticked::serialize(std::ostream &os) +{ + uint64_t lastStoppedUint = lastStopped; + + paramOut(os, "lastStopped", lastStoppedUint); +} + +void +Ticked::unserialize(Checkpoint *cp, const std::string §ion) +{ + uint64_t lastStoppedUint; + + paramIn(cp, section, "lastStopped", lastStoppedUint); + + lastStopped = Cycles(lastStoppedUint); +} + +TickedObject::TickedObject(TickedObjectParams *params, + Event::Priority priority) : + ClockedObject(params), + /* Make numCycles in Ticked */ + Ticked(*this, NULL, priority) +{ } + +void +TickedObject::regStats() +{ + Ticked::regStats(); +} + +void +TickedObject::serialize(std::ostream &os) +{ + Ticked::serialize(os); + ClockedObject::serialize(os); +} +void +TickedObject::unserialize(Checkpoint *cp, const std::string §ion) +{ + Ticked::unserialize(cp, section); + ClockedObject::unserialize(cp, section); +} |