2ec1379b00a0e7ec01d8c73ff8c94ad9bc1fff65
2 * Copyright (c) 2013 ARM Limited
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14 * Copyright (c) 2003-2005 The Regents of The University of Michigan
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26 * this software without specific prior written permission.
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40 * Authors: Erik Hallnor
46 * Definitions of BaseTags.
49 #include "config/the_isa.hh"
50 #include "cpu/smt.hh" //maxThreadsPerCPU
51 #include "mem/cache/tags/base.hh"
52 #include "mem/cache/base.hh"
53 #include "sim/sim_exit.hh"
57 BaseTags::BaseTags(const Params
*p
)
58 : ClockedObject(p
), blkSize(p
->block_size
), size(p
->size
),
59 hitLatency(p
->hit_latency
), cache(nullptr), warmupBound(0),
60 warmedUp(false), numBlocks(0)
65 BaseTags::setCache(BaseCache
*_cache
)
74 using namespace Stats
;
76 .init(maxThreadsPerCPU
)
77 .name(name() + ".replacements")
78 .desc("number of replacements")
83 .name(name() + ".tagsinuse")
84 .desc("Cycle average of tags in use")
88 .name(name() + ".total_refs")
89 .desc("Total number of references to valid blocks.")
93 .name(name() + ".sampled_refs")
94 .desc("Sample count of references to valid blocks.")
98 .name(name() + ".avg_refs")
99 .desc("Average number of references to valid blocks.")
102 avgRefs
= totalRefs
/sampledRefs
;
105 .name(name() + ".warmup_cycle")
106 .desc("Cycle when the warmup percentage was hit.")
110 .init(cache
->system
->maxMasters())
111 .name(name() + ".occ_blocks")
112 .desc("Average occupied blocks per requestor")
113 .flags(nozero
| nonan
)
115 for (int i
= 0; i
< cache
->system
->maxMasters(); i
++) {
116 occupancies
.subname(i
, cache
->system
->getMasterName(i
));
120 .name(name() + ".occ_percent")
121 .desc("Average percentage of cache occupancy")
122 .flags(nozero
| total
)
124 for (int i
= 0; i
< cache
->system
->maxMasters(); i
++) {
125 avgOccs
.subname(i
, cache
->system
->getMasterName(i
));
128 avgOccs
= occupancies
/ Stats::constant(numBlocks
);
131 .init(ContextSwitchTaskId::NumTaskId
)
132 .name(name() + ".occ_task_id_blocks")
133 .desc("Occupied blocks per task id")
134 .flags(nozero
| nonan
)
138 .init(ContextSwitchTaskId::NumTaskId
, 5)
139 .name(name() + ".age_task_id_blocks")
140 .desc("Occupied blocks per task id")
141 .flags(nozero
| nonan
)
145 .name(name() + ".occ_task_id_percent")
146 .desc("Percentage of cache occupancy per task id")
150 percentOccsTaskId
= occupanciesTaskId
/ Stats::constant(numBlocks
);
153 .name(name() + ".tag_accesses")
154 .desc("Number of tag accesses")
158 .name(name() + ".data_accesses")
159 .desc("Number of data accesses")
162 registerDumpCallback(new BaseTagsDumpCallback(this));
163 registerExitCallback(new BaseTagsCallback(this));