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14 * Copyright (c) 2003-2005 The Regents of The University of Michigan
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28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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40 * Authors: Erik Hallnor
46 * Definitions of BaseTags.
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"
56 BaseTags::BaseTags(const Params
*p
)
57 : ClockedObject(p
), blkSize(p
->block_size
), size(p
->size
),
58 hitLatency(p
->hit_latency
), cache(nullptr), warmupBound(0),
59 warmedUp(false), numBlocks(0)
64 BaseTags::setCache(BaseCache
*_cache
)
73 using namespace Stats
;
75 .init(maxThreadsPerCPU
)
76 .name(name() + ".replacements")
77 .desc("number of replacements")
82 .name(name() + ".tagsinuse")
83 .desc("Cycle average of tags in use")
87 .name(name() + ".total_refs")
88 .desc("Total number of references to valid blocks.")
92 .name(name() + ".sampled_refs")
93 .desc("Sample count of references to valid blocks.")
97 .name(name() + ".avg_refs")
98 .desc("Average number of references to valid blocks.")
101 avgRefs
= totalRefs
/sampledRefs
;
104 .name(name() + ".warmup_cycle")
105 .desc("Cycle when the warmup percentage was hit.")
109 .init(cache
->system
->maxMasters())
110 .name(name() + ".occ_blocks")
111 .desc("Average occupied blocks per requestor")
112 .flags(nozero
| nonan
)
114 for (int i
= 0; i
< cache
->system
->maxMasters(); i
++) {
115 occupancies
.subname(i
, cache
->system
->getMasterName(i
));
119 .name(name() + ".occ_percent")
120 .desc("Average percentage of cache occupancy")
121 .flags(nozero
| total
)
123 for (int i
= 0; i
< cache
->system
->maxMasters(); i
++) {
124 avgOccs
.subname(i
, cache
->system
->getMasterName(i
));
127 avgOccs
= occupancies
/ Stats::constant(numBlocks
);
130 .init(ContextSwitchTaskId::NumTaskId
)
131 .name(name() + ".occ_task_id_blocks")
132 .desc("Occupied blocks per task id")
133 .flags(nozero
| nonan
)
137 .init(ContextSwitchTaskId::NumTaskId
, 5)
138 .name(name() + ".age_task_id_blocks")
139 .desc("Occupied blocks per task id")
140 .flags(nozero
| nonan
)
144 .name(name() + ".occ_task_id_percent")
145 .desc("Percentage of cache occupancy per task id")
149 percentOccsTaskId
= occupanciesTaskId
/ Stats::constant(numBlocks
);
152 .name(name() + ".tag_accesses")
153 .desc("Number of tag accesses")
157 .name(name() + ".data_accesses")
158 .desc("Number of data accesses")
161 registerDumpCallback(new BaseTagsDumpCallback(this));
162 registerExitCallback(new BaseTagsCallback(this));