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https://github.com/ClusterCockpit/cc-metric-collector.git
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41 lines
1.6 KiB
Plaintext
41 lines
1.6 KiB
Plaintext
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SHORT Main memory bandwidth in MBytes/s
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EVENTSET
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FIXC0 INSTR_RETIRED_ANY
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FIXC1 CPU_CLK_UNHALTED_CORE
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FIXC2 CPU_CLK_UNHALTED_REF
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MBOX0C0 CAS_COUNT_RD
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MBOX0C1 CAS_COUNT_WR
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MBOX1C0 CAS_COUNT_RD
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MBOX1C1 CAS_COUNT_WR
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MBOX2C0 CAS_COUNT_RD
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MBOX2C1 CAS_COUNT_WR
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MBOX3C0 CAS_COUNT_RD
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MBOX3C1 CAS_COUNT_WR
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METRICS
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Runtime (RDTSC) [s] time
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Runtime unhalted [s] FIXC1*inverseClock
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Clock [MHz] 1.E-06*(FIXC1/FIXC2)/inverseClock
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CPI FIXC1/FIXC0
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Memory read bandwidth [MBytes/s] 1.0E-06*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0)*64.0/time
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Memory read data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0)*64.0
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Memory write bandwidth [MBytes/s] 1.0E-06*(MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*64.0/time
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Memory write data volume [GBytes] 1.0E-09*(MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*64.0
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Memory bandwidth [MBytes/s] 1.0E-06*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*64.0/time
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Memory data volume [GBytes] 1.0E-09*(MBOX0C0+MBOX1C0+MBOX2C0+MBOX3C0+MBOX0C1+MBOX1C1+MBOX2C1+MBOX3C1)*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(MBOXxC0))*64.0/time
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Memory read data volume [GBytes] = 1.0E-09*(SUM(MBOXxC0))*64.0
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Memory write bandwidth [MBytes/s] = 1.0E-06*(SUM(MBOXxC1))*64.0/time
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Memory write data volume [GBytes] = 1.0E-09*(SUM(MBOXxC1))*64.0
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Memory bandwidth [MBytes/s] = 1.0E-06*(SUM(MBOXxC0)+SUM(MBOXxC1))*64.0/time
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Memory data volume [GBytes] = 1.0E-09*(SUM(MBOXxC0)+SUM(MBOXxC1))*64.0
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-
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Profiling group to measure memory bandwidth drawn by all cores of a socket.
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Since this group is based on Uncore events it is only possible to measure on a
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per socket base. Also outputs total data volume transferred from main memory.
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