ticked_object.cc revision 10320
110259SAndrew.Bardsley@arm.com/* 210259SAndrew.Bardsley@arm.com * Copyright (c) 2013-2014 ARM Limited 310259SAndrew.Bardsley@arm.com * All rights reserved 410259SAndrew.Bardsley@arm.com * 510259SAndrew.Bardsley@arm.com * The license below extends only to copyright in the software and shall 610259SAndrew.Bardsley@arm.com * not be construed as granting a license to any other intellectual 710259SAndrew.Bardsley@arm.com * property including but not limited to intellectual property relating 810259SAndrew.Bardsley@arm.com * to a hardware implementation of the functionality of the software 910259SAndrew.Bardsley@arm.com * licensed hereunder. You may use the software subject to the license 1010259SAndrew.Bardsley@arm.com * terms below provided that you ensure that this notice is replicated 1110259SAndrew.Bardsley@arm.com * unmodified and in its entirety in all distributions of the software, 1210259SAndrew.Bardsley@arm.com * modified or unmodified, in source code or in binary form. 1310259SAndrew.Bardsley@arm.com * 1410259SAndrew.Bardsley@arm.com * Redistribution and use in source and binary forms, with or without 1510259SAndrew.Bardsley@arm.com * modification, are permitted provided that the following conditions are 1610259SAndrew.Bardsley@arm.com * met: redistributions of source code must retain the above copyright 1710259SAndrew.Bardsley@arm.com * notice, this list of conditions and the following disclaimer; 1810259SAndrew.Bardsley@arm.com * redistributions in binary form must reproduce the above copyright 1910259SAndrew.Bardsley@arm.com * notice, this list of conditions and the following disclaimer in the 2010259SAndrew.Bardsley@arm.com * documentation and/or other materials provided with the distribution; 2110259SAndrew.Bardsley@arm.com * neither the name of the copyright holders nor the names of its 2210259SAndrew.Bardsley@arm.com * contributors may be used to endorse or promote products derived from 2310259SAndrew.Bardsley@arm.com * this software without specific prior written permission. 2410259SAndrew.Bardsley@arm.com * 2510259SAndrew.Bardsley@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2610259SAndrew.Bardsley@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2710259SAndrew.Bardsley@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2810259SAndrew.Bardsley@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2910259SAndrew.Bardsley@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3010259SAndrew.Bardsley@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3110259SAndrew.Bardsley@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3210259SAndrew.Bardsley@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3310259SAndrew.Bardsley@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3410259SAndrew.Bardsley@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3510259SAndrew.Bardsley@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3610259SAndrew.Bardsley@arm.com * 3710259SAndrew.Bardsley@arm.com * Authors: Andrew Bardsley 3810259SAndrew.Bardsley@arm.com */ 3910259SAndrew.Bardsley@arm.com 4010259SAndrew.Bardsley@arm.com#include "sim/ticked_object.hh" 4110259SAndrew.Bardsley@arm.com 4210259SAndrew.Bardsley@arm.comTicked::Ticked(ClockedObject &object_, 4310259SAndrew.Bardsley@arm.com Stats::Scalar *imported_num_cycles, 4410259SAndrew.Bardsley@arm.com Event::Priority priority) : 4510259SAndrew.Bardsley@arm.com object(object_), 4610259SAndrew.Bardsley@arm.com event(*this, priority), 4710259SAndrew.Bardsley@arm.com running(false), 4810259SAndrew.Bardsley@arm.com lastStopped(0), 4910259SAndrew.Bardsley@arm.com /* Allocate numCycles if an external stat wasn't passed in */ 5010259SAndrew.Bardsley@arm.com numCyclesLocal((imported_num_cycles ? NULL : new Stats::Scalar)), 5110259SAndrew.Bardsley@arm.com numCycles((imported_num_cycles ? *imported_num_cycles : 5210259SAndrew.Bardsley@arm.com *numCyclesLocal)) 5310259SAndrew.Bardsley@arm.com{ } 5410259SAndrew.Bardsley@arm.com 5510259SAndrew.Bardsley@arm.comvoid 5610259SAndrew.Bardsley@arm.comTicked::regStats() 5710259SAndrew.Bardsley@arm.com{ 5810259SAndrew.Bardsley@arm.com if (numCyclesLocal) { 5910259SAndrew.Bardsley@arm.com numCycles 6010259SAndrew.Bardsley@arm.com .name(object.name() + ".tickCycles") 6110259SAndrew.Bardsley@arm.com .desc("Number of cycles that the object ticked or was stopped"); 6210259SAndrew.Bardsley@arm.com } 6310259SAndrew.Bardsley@arm.com 6410259SAndrew.Bardsley@arm.com tickCycles 6510259SAndrew.Bardsley@arm.com .name(object.name() + ".tickCycles") 6610259SAndrew.Bardsley@arm.com .desc("Number of cycles that the object actually ticked"); 6710259SAndrew.Bardsley@arm.com 6810259SAndrew.Bardsley@arm.com idleCycles 6910259SAndrew.Bardsley@arm.com .name(object.name() + ".idleCycles") 7010259SAndrew.Bardsley@arm.com .desc("Total number of cycles that the object has spent stopped"); 7110259SAndrew.Bardsley@arm.com idleCycles = numCycles - tickCycles; 7210259SAndrew.Bardsley@arm.com} 7310259SAndrew.Bardsley@arm.com 7410259SAndrew.Bardsley@arm.comvoid 7510259SAndrew.Bardsley@arm.comTicked::serialize(std::ostream &os) 7610259SAndrew.Bardsley@arm.com{ 7710259SAndrew.Bardsley@arm.com uint64_t lastStoppedUint = lastStopped; 7810259SAndrew.Bardsley@arm.com 7910259SAndrew.Bardsley@arm.com paramOut(os, "lastStopped", lastStoppedUint); 8010259SAndrew.Bardsley@arm.com} 8110259SAndrew.Bardsley@arm.com 8210259SAndrew.Bardsley@arm.comvoid 8310259SAndrew.Bardsley@arm.comTicked::unserialize(Checkpoint *cp, const std::string §ion) 8410259SAndrew.Bardsley@arm.com{ 8510320SAndrew.Bardsley@arm.com uint64_t lastStoppedUint = 0; 8610259SAndrew.Bardsley@arm.com 8710320SAndrew.Bardsley@arm.com /* lastStopped is optional on checkpoint restore as this object may be 8810320SAndrew.Bardsley@arm.com * being restored from one which has a common base (and so possibly 8910320SAndrew.Bardsley@arm.com * many common checkpointed values) but where Ticked is used in the 9010320SAndrew.Bardsley@arm.com * checkpointed object but not this one. 9110320SAndrew.Bardsley@arm.com * An example would be a CPU model using Ticked restores from a 9210320SAndrew.Bardsley@arm.com * simple CPU without without Ticked */ 9310320SAndrew.Bardsley@arm.com optParamIn(cp, section, "lastStopped", lastStoppedUint); 9410259SAndrew.Bardsley@arm.com 9510259SAndrew.Bardsley@arm.com lastStopped = Cycles(lastStoppedUint); 9610259SAndrew.Bardsley@arm.com} 9710259SAndrew.Bardsley@arm.com 9810259SAndrew.Bardsley@arm.comTickedObject::TickedObject(TickedObjectParams *params, 9910259SAndrew.Bardsley@arm.com Event::Priority priority) : 10010259SAndrew.Bardsley@arm.com ClockedObject(params), 10110259SAndrew.Bardsley@arm.com /* Make numCycles in Ticked */ 10210259SAndrew.Bardsley@arm.com Ticked(*this, NULL, priority) 10310259SAndrew.Bardsley@arm.com{ } 10410259SAndrew.Bardsley@arm.com 10510259SAndrew.Bardsley@arm.comvoid 10610259SAndrew.Bardsley@arm.comTickedObject::regStats() 10710259SAndrew.Bardsley@arm.com{ 10810259SAndrew.Bardsley@arm.com Ticked::regStats(); 10910259SAndrew.Bardsley@arm.com} 11010259SAndrew.Bardsley@arm.com 11110259SAndrew.Bardsley@arm.comvoid 11210259SAndrew.Bardsley@arm.comTickedObject::serialize(std::ostream &os) 11310259SAndrew.Bardsley@arm.com{ 11410259SAndrew.Bardsley@arm.com Ticked::serialize(os); 11510259SAndrew.Bardsley@arm.com ClockedObject::serialize(os); 11610259SAndrew.Bardsley@arm.com} 11710259SAndrew.Bardsley@arm.comvoid 11810259SAndrew.Bardsley@arm.comTickedObject::unserialize(Checkpoint *cp, const std::string §ion) 11910259SAndrew.Bardsley@arm.com{ 12010259SAndrew.Bardsley@arm.com Ticked::unserialize(cp, section); 12110259SAndrew.Bardsley@arm.com ClockedObject::unserialize(cp, section); 12210259SAndrew.Bardsley@arm.com} 123