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https://github.com/ClusterCockpit/cc-metric-collector.git
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33 lines
1.2 KiB
Plaintext
33 lines
1.2 KiB
Plaintext
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SHORT Main memory 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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MBOX0C0 MEMORY_READS
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MBOX0C1 MEMORY_WRITES
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MBOX1C0 MEMORY_READS
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MBOX1C1 MEMORY_WRITES
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METRICS
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Runtime (RDTSC) [s] time
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Clock [MHz] 1.E-06*PMC1/time
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CPI PMC1/PMC0
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Memory read bandwidth [MBytes/s] 1.0E-06*(MBOX0C0+MBOX1C0)*64.0/time
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Memory read data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0)*64.0
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Memory write bandwidth [MBytes/s] 1.0E-06*(MBOX0C1+MBOX1C1)*64.0/time
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Memory write data volume [GBytes] 1.0E-09*(MBOX0C1+MBOX1C1)*64.0
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Memory bandwidth [MBytes/s] 1.0E-06*(MBOX0C0+MBOX1C0+MBOX0C1+MBOX1C1)*64.0/time
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Memory data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0+MBOX0C1+MBOX1C1)*64.0
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LONG
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Formulas:
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Memory read bandwidth [MBytes/s] = 1.0E-06*(SUM(MEMORY_READS))*64.0/runtime
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Memory read data volume [GBytes] = 1.0E-09*(SUM(MEMORY_READS))*64.0
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Memory write bandwidth [MBytes/s] = 1.0E-06*(SUM(MEMORY_WRITES))*64.0/runtime
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Memory write data volume [GBytes] = 1.0E-09*(SUM(MEMORY_WRITES))*64.0
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Memory bandwidth [MBytes/s] = 1.0E-06*(SUM(MEMORY_READS)+SUM(MEMORY_WRITES))*64.0/runtime
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Memory data volume [GBytes] = 1.0E-09*(SUM(MEMORY_READS)+SUM(MEMORY_WRITES))*64.0
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-
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Profiling group to measure memory bandwidth. It uses the performance monitoring
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hardware of the memory controllers.
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