1/*
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2 * Copyright (c) 2013 ARM Limited 3 * All rights reserved. 4 * 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 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * |
14 * Copyright (c) 2003-2005 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Erik Hallnor 41 * Ron Dreslinski 42 */ 43 44/** 45 * @file 46 * Definitions of BaseTags. 47 */ 48 49#include "cpu/smt.hh" //maxThreadsPerCPU 50#include "mem/cache/tags/base.hh" 51#include "mem/cache/base.hh" 52#include "sim/sim_exit.hh" 53 54using namespace std; 55
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56BaseTags::BaseTags(const Params *p) 57 : ClockedObject(p), blkSize(p->block_size), size(p->size), 58 hitLatency(p->hit_latency) 59{ 60} 61 |
62void 63BaseTags::setCache(BaseCache *_cache) 64{ 65 cache = _cache;
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48 objName = cache->name();
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66} 67 68void
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52BaseTags::regStats(const string &name)
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69BaseTags::regStats() |
70{ 71 using namespace Stats; 72 replacements 73 .init(maxThreadsPerCPU)
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57 .name(name + ".replacements")
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74 .name(name() + ".replacements") |
75 .desc("number of replacements") 76 .flags(total) 77 ; 78 79 tagsInUse
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63 .name(name + ".tagsinuse")
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80 .name(name() + ".tagsinuse") |
81 .desc("Cycle average of tags in use") 82 ; 83 84 totalRefs
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68 .name(name + ".total_refs")
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85 .name(name() + ".total_refs") |
86 .desc("Total number of references to valid blocks.") 87 ; 88 89 sampledRefs
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73 .name(name + ".sampled_refs")
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90 .name(name() + ".sampled_refs") |
91 .desc("Sample count of references to valid blocks.") 92 ; 93 94 avgRefs
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78 .name(name + ".avg_refs")
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95 .name(name() + ".avg_refs") |
96 .desc("Average number of references to valid blocks.") 97 ; 98 99 avgRefs = totalRefs/sampledRefs; 100 101 warmupCycle
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85 .name(name + ".warmup_cycle")
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102 .name(name() + ".warmup_cycle") |
103 .desc("Cycle when the warmup percentage was hit.") 104 ; 105 106 occupancies 107 .init(cache->system->maxMasters())
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91 .name(name + ".occ_blocks")
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108 .name(name() + ".occ_blocks") |
109 .desc("Average occupied blocks per requestor") 110 .flags(nozero | nonan) 111 ; 112 for (int i = 0; i < cache->system->maxMasters(); i++) { 113 occupancies.subname(i, cache->system->getMasterName(i)); 114 } 115 116 avgOccs
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100 .name(name + ".occ_percent")
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117 .name(name() + ".occ_percent") |
118 .desc("Average percentage of cache occupancy") 119 .flags(nozero | total) 120 ; 121 for (int i = 0; i < cache->system->maxMasters(); i++) { 122 avgOccs.subname(i, cache->system->getMasterName(i)); 123 } 124 125 avgOccs = occupancies / Stats::constant(numBlocks); 126 127 registerExitCallback(new BaseTagsCallback(this)); 128}
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