base.cc revision 12513
16019SN/A/* 26019SN/A * Copyright (c) 2013,2016 ARM Limited 37134Sgblack@eecs.umich.edu * All rights reserved. 47134Sgblack@eecs.umich.edu * 57134Sgblack@eecs.umich.edu * The license below extends only to copyright in the software and shall 67134Sgblack@eecs.umich.edu * not be construed as granting a license to any other intellectual 77134Sgblack@eecs.umich.edu * property including but not limited to intellectual property relating 87134Sgblack@eecs.umich.edu * to a hardware implementation of the functionality of the software 97134Sgblack@eecs.umich.edu * licensed hereunder. You may use the software subject to the license 107134Sgblack@eecs.umich.edu * terms below provided that you ensure that this notice is replicated 117134Sgblack@eecs.umich.edu * unmodified and in its entirety in all distributions of the software, 127134Sgblack@eecs.umich.edu * modified or unmodified, in source code or in binary form. 137134Sgblack@eecs.umich.edu * 147134Sgblack@eecs.umich.edu * Copyright (c) 2003-2005 The Regents of The University of Michigan 156019SN/A * All rights reserved. 166019SN/A * 176019SN/A * Redistribution and use in source and binary forms, with or without 186019SN/A * modification, are permitted provided that the following conditions are 196019SN/A * met: redistributions of source code must retain the above copyright 206019SN/A * notice, this list of conditions and the following disclaimer; 216019SN/A * redistributions in binary form must reproduce the above copyright 226019SN/A * notice, this list of conditions and the following disclaimer in the 236019SN/A * documentation and/or other materials provided with the distribution; 246019SN/A * neither the name of the copyright holders nor the names of its 256019SN/A * contributors may be used to endorse or promote products derived from 266019SN/A * this software without specific prior written permission. 276019SN/A * 286019SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 296019SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 306019SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 316019SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 326019SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 336019SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 346019SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 356019SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 366019SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 376019SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 386019SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 396019SN/A * 406019SN/A * Authors: Erik Hallnor 416019SN/A * Ron Dreslinski 426308SN/A */ 436308SN/A 446309SN/A/** 456309SN/A * @file 466309SN/A * Definitions of BaseTags. 476309SN/A */ 486309SN/A 497134Sgblack@eecs.umich.edu#include "mem/cache/tags/base.hh" 507296Sgblack@eecs.umich.edu 516309SN/A#include "cpu/smt.hh" //maxThreadsPerCPU 526309SN/A#include "mem/cache/base.hh" 537296Sgblack@eecs.umich.edu#include "sim/sim_exit.hh" 548139SMatt.Horsnell@arm.com 556309SN/Ausing namespace std; 566309SN/A 576309SN/ABaseTags::BaseTags(const Params *p) 587342Sgblack@eecs.umich.edu : ClockedObject(p), blkSize(p->block_size), blkMask(blkSize - 1), 597174Sgblack@eecs.umich.edu size(p->size), 607639Sgblack@eecs.umich.edu lookupLatency(p->tag_latency), 617639Sgblack@eecs.umich.edu accessLatency(p->sequential_access ? 627644Sali.saidi@arm.com p->tag_latency + p->data_latency : 638139SMatt.Horsnell@arm.com std::max(p->tag_latency, p->data_latency)), 647639Sgblack@eecs.umich.edu cache(nullptr), 657639Sgblack@eecs.umich.edu warmupBound((p->warmup_percentage/100.0) * (p->size / p->block_size)), 667639Sgblack@eecs.umich.edu warmedUp(false), numBlocks(0) 677639Sgblack@eecs.umich.edu{ 687639Sgblack@eecs.umich.edu} 697639Sgblack@eecs.umich.edu 707639Sgblack@eecs.umich.eduvoid 717644Sali.saidi@arm.comBaseTags::setCache(BaseCache *_cache) 728139SMatt.Horsnell@arm.com{ 737639Sgblack@eecs.umich.edu assert(!cache); 747639Sgblack@eecs.umich.edu cache = _cache; 757639Sgblack@eecs.umich.edu} 767639Sgblack@eecs.umich.edu 777639Sgblack@eecs.umich.eduvoid 787639Sgblack@eecs.umich.eduBaseTags::regStats() 797639Sgblack@eecs.umich.edu{ 807639Sgblack@eecs.umich.edu ClockedObject::regStats(); 817639Sgblack@eecs.umich.edu 827644Sali.saidi@arm.com using namespace Stats; 838139SMatt.Horsnell@arm.com 847639Sgblack@eecs.umich.edu replacements 857639Sgblack@eecs.umich.edu .init(maxThreadsPerCPU) 867639Sgblack@eecs.umich.edu .name(name() + ".replacements") 877639Sgblack@eecs.umich.edu .desc("number of replacements") 887174Sgblack@eecs.umich.edu .flags(total) 898148SAli.Saidi@ARM.com ; 907296Sgblack@eecs.umich.edu 917400SAli.Saidi@ARM.com tagsInUse 927134Sgblack@eecs.umich.edu .name(name() + ".tagsinuse") 937400SAli.Saidi@ARM.com .desc("Cycle average of tags in use") 947134Sgblack@eecs.umich.edu ; 957134Sgblack@eecs.umich.edu 968148SAli.Saidi@ARM.com totalRefs 978205SAli.Saidi@ARM.com .name(name() + ".total_refs") 987858SMatt.Horsnell@arm.com .desc("Total number of references to valid blocks.") 998285SPrakash.Ramrakhyani@arm.com ; 1006754SN/A 1018148SAli.Saidi@ARM.com sampledRefs 1026754SN/A .name(name() + ".sampled_refs") 1036754SN/A .desc("Sample count of references to valid blocks.") 1048148SAli.Saidi@ARM.com ; 1058148SAli.Saidi@ARM.com 1066754SN/A avgRefs 1078139SMatt.Horsnell@arm.com .name(name() + ".avg_refs") 1087422Sgblack@eecs.umich.edu .desc("Average number of references to valid blocks.") 1098148SAli.Saidi@ARM.com ; 1108148SAli.Saidi@ARM.com 1116754SN/A avgRefs = totalRefs/sampledRefs; 1128139SMatt.Horsnell@arm.com 1136309SN/A warmupCycle 1146309SN/A .name(name() + ".warmup_cycle") 1157296Sgblack@eecs.umich.edu .desc("Cycle when the warmup percentage was hit.") 1167303Sgblack@eecs.umich.edu ; 1178139SMatt.Horsnell@arm.com 1186309SN/A occupancies 1196309SN/A .init(cache->system->maxMasters()) 1206309SN/A .name(name() + ".occ_blocks") 1217296Sgblack@eecs.umich.edu .desc("Average occupied blocks per requestor") 1227174Sgblack@eecs.umich.edu .flags(nozero | nonan) 1237174Sgblack@eecs.umich.edu ; 1247296Sgblack@eecs.umich.edu for (int i = 0; i < cache->system->maxMasters(); i++) { 1257303Sgblack@eecs.umich.edu occupancies.subname(i, cache->system->getMasterName(i)); 1267644Sali.saidi@arm.com } 1278139SMatt.Horsnell@arm.com 1287174Sgblack@eecs.umich.edu avgOccs 1297174Sgblack@eecs.umich.edu .name(name() + ".occ_percent") 1307174Sgblack@eecs.umich.edu .desc("Average percentage of cache occupancy") 1317639Sgblack@eecs.umich.edu .flags(nozero | total) 1327639Sgblack@eecs.umich.edu ; 1337639Sgblack@eecs.umich.edu for (int i = 0; i < cache->system->maxMasters(); i++) { 1347639Sgblack@eecs.umich.edu avgOccs.subname(i, cache->system->getMasterName(i)); 1357639Sgblack@eecs.umich.edu } 1367644Sali.saidi@arm.com 1378139SMatt.Horsnell@arm.com avgOccs = occupancies / Stats::constant(numBlocks); 1387639Sgblack@eecs.umich.edu 1397639Sgblack@eecs.umich.edu occupanciesTaskId 1407639Sgblack@eecs.umich.edu .init(ContextSwitchTaskId::NumTaskId) 1417639Sgblack@eecs.umich.edu .name(name() + ".occ_task_id_blocks") 1427639Sgblack@eecs.umich.edu .desc("Occupied blocks per task id") 1437639Sgblack@eecs.umich.edu .flags(nozero | nonan) 1447639Sgblack@eecs.umich.edu ; 1457639Sgblack@eecs.umich.edu 1467639Sgblack@eecs.umich.edu ageTaskId 1477639Sgblack@eecs.umich.edu .init(ContextSwitchTaskId::NumTaskId, 5) 1487644Sali.saidi@arm.com .name(name() + ".age_task_id_blocks") 1498139SMatt.Horsnell@arm.com .desc("Occupied blocks per task id") 1507639Sgblack@eecs.umich.edu .flags(nozero | nonan) 1517639Sgblack@eecs.umich.edu ; 1527639Sgblack@eecs.umich.edu 1537639Sgblack@eecs.umich.edu percentOccsTaskId 1547639Sgblack@eecs.umich.edu .name(name() + ".occ_task_id_percent") 1557174Sgblack@eecs.umich.edu .desc("Percentage of cache occupancy per task id") 1567174Sgblack@eecs.umich.edu .flags(nozero) 1577639Sgblack@eecs.umich.edu ; 1587639Sgblack@eecs.umich.edu 1597639Sgblack@eecs.umich.edu percentOccsTaskId = occupanciesTaskId / Stats::constant(numBlocks); 1607639Sgblack@eecs.umich.edu 1617174Sgblack@eecs.umich.edu tagAccesses 1627174Sgblack@eecs.umich.edu .name(name() + ".tag_accesses") 1637174Sgblack@eecs.umich.edu .desc("Number of tag accesses") 1647174Sgblack@eecs.umich.edu ; 1657174Sgblack@eecs.umich.edu 1667174Sgblack@eecs.umich.edu dataAccesses 1677174Sgblack@eecs.umich.edu .name(name() + ".data_accesses") 1687174Sgblack@eecs.umich.edu .desc("Number of data accesses") 1697174Sgblack@eecs.umich.edu ; 1707174Sgblack@eecs.umich.edu 1717174Sgblack@eecs.umich.edu registerDumpCallback(new BaseTagsDumpCallback(this)); 1726309SN/A registerExitCallback(new BaseTagsCallback(this)); 1736308SN/A} 1747639Sgblack@eecs.umich.edu