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https://github.com/ClusterCockpit/cc-metric-collector.git
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31 lines
978 B
Plaintext
31 lines
978 B
Plaintext
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SHORT L3 cache bandwidth in MBytes/s
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EVENTSET
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PMC0 INST_RETIRED
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PMC1 CPU_CYCLES
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PMC2 L2D_CACHE_REFILL
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PMC3 L2D_CACHE_WB
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METRICS
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Runtime (RDTSC) [s] time
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CPI PMC1/PMC0
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L3 read bandwidth [MBytes/s] 1.0E-06*(PMC2)*64.0/time
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L3 read data volume [GBytes] 1.0E-09*(PMC2)*64.0
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L3 write bandwidth [MBytes/s] 1.0E-06*(PMC3)*64.0/time
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L3 write data volume [GBytes] 1.0E-09*(PMC3)*64.0
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L3 bandwidth [MBytes/s] 1.0E-06*(PMC2+PMC3)*64.0/time
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L3 data volume [GBytes] 1.0E-09*(PMC2+PMC3)*64.0
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LONG
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Formulas:
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L3 read bandwidth [MBytes/s] = 1.0E-06*(L2D_CACHE_REFILL)*64.0/runtime
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L3 read data volume [GBytes] = 1.0E-09*(L2D_CACHE_REFILL)*64.0
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L3 write bandwidth [MBytes/s] = 1.0E-06*(L2D_CACHE_WB)*64.0/runtime
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L3 write data volume [GBytes] = 1.0E-09*(L2D_CACHE_WB)*64.0
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L3 bandwidth [MBytes/s] = 1.0E-06*(L2D_CACHE_REFILL+L2D_CACHE_WB)*64.0/runtime
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L3 data volume [GBytes] = 1.0E-09*(L2D_CACHE_REFILL+L2D_CACHE_WB)*64.0
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-
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Profiling group to measure traffic between L2 and L3 cache.
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