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https://github.com/ClusterCockpit/cc-metric-collector.git
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72 lines
3.5 KiB
Plaintext
72 lines
3.5 KiB
Plaintext
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SHORT Cache 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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PMC0 L1D_REPLACEMENT
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PMC1 L1D_M_EVICT
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PMC2 L2_LINES_IN_ALL
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PMC3 L2_TRANS_L2_WB
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CBOX0C0 CACHE_LOOKUP_READ_MESI
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CBOX1C0 CACHE_LOOKUP_READ_MESI
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CBOX2C0 CACHE_LOOKUP_READ_MESI
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CBOX3C0 CACHE_LOOKUP_READ_MESI
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CBOX0C1 CACHE_LOOKUP_WRITE_MESI
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CBOX1C1 CACHE_LOOKUP_WRITE_MESI
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CBOX2C1 CACHE_LOOKUP_WRITE_MESI
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CBOX3C1 CACHE_LOOKUP_WRITE_MESI
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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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L2 to L1 load bandwidth [MBytes/s] 1.0E-06*PMC0*64.0/time
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L2 to L1 load data volume [GBytes] 1.0E-09*PMC0*64.0
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L1 to L2 evict bandwidth [MBytes/s] 1.0E-06*PMC1*64.0/time
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L1 to L2 evict data volume [GBytes] 1.0E-09*PMC1*64.0
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L1 to/from L2 bandwidth [MBytes/s] 1.0E-06*(PMC0+PMC1)*64.0/time
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L1 to/from L2 data volume [GBytes] 1.0E-09*(PMC0+PMC1)*64.0
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L3 to L2 load bandwidth [MBytes/s] 1.0E-06*PMC2*64.0/time
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L3 to L2 load data volume [GBytes] 1.0E-09*PMC2*64.0
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L2 to L3 evict bandwidth [MBytes/s] 1.0E-06*PMC3*64.0/time
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L2 to L3 evict data volume [GBytes] 1.0E-09*PMC3*64.0
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L2 to/from L3 bandwidth [MBytes/s] 1.0E-06*(PMC2+PMC3)*64.0/time
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L2 to/from L3 data volume [GBytes] 1.0E-09*(PMC2+PMC3)*64.0
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System to L3 bandwidth [MBytes/s] 1.0E-06*(CBOX0C0+CBOX1C0+CBOX2C0+CBOX3C0)*64.0/time
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System to L3 data volume [GBytes] 1.0E-09*(CBOX0C0+CBOX1C0+CBOX2C0+CBOX3C0)*64.0
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L3 to system bandwidth [MBytes/s] 1.0E-06*(CBOX0C1+CBOX1C1+CBOX2C1+CBOX3C1)*64/time
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L3 to system data volume [GBytes] 1.0E-09*(CBOX0C1+CBOX1C1+CBOX2C1+CBOX3C1)*64
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L3 to/from system bandwidth [MBytes/s] 1.0E-06*(CBOX0C0+CBOX1C0+CBOX2C0+CBOX3C0+CBOX0C1+CBOX1C1+CBOX2C1+CBOX3C1)*64.0/time
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L3 to/from system data volume [GBytes] 1.0E-09*(CBOX0C0+CBOX1C0+CBOX2C0+CBOX3C0+CBOX0C1+CBOX1C1+CBOX2C1+CBOX3C1)*64.0
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LONG
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Formulas:
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L2 to L1 load bandwidth [MBytes/s] = 1.0E-06*L1D_REPLACEMENT*64/time
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L2 to L1 load data volume [GBytes] = 1.0E-09*L1D_REPLACEMENT*64
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L1 to L2 evict bandwidth [MBytes/s] = 1.0E-06*L1D_M_EVICT*64/time
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L1 to L2 evict data volume [GBytes] = 1.0E-09*L1D_M_EVICT*64
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L1 to/from L2 bandwidth [MBytes/s] = 1.0E-06*(L1D_REPLACEMENT+L1D_M_EVICT)*64/time
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L1 to/from L2 data volume [GBytes] = 1.0E-09*(L1D_REPLACEMENT+L1D_M_EVICT)*64
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L3 to L2 load bandwidth [MBytes/s] = 1.0E-06*L2_LINES_IN_ALL*64/time
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L3 to L2 load data volume [GBytes] = 1.0E-09*L2_LINES_IN_ALL*64
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L2 to L3 evict bandwidth [MBytes/s] = 1.0E-06*L2_TRANS_L2_WB*64/time
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L2 to L3 evict data volume [GBytes] = 1.0E-09*L2_TRANS_L2_WB*64
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L2 to/from L3 bandwidth [MBytes/s] = 1.0E-06*(L2_LINES_IN_ALL+L2_TRANS_L2_WB)*64/time
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L2 to/from L3 data volume [GBytes] = 1.0E-09*(L2_LINES_IN_ALL+L2_TRANS_L2_WB)*64
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System to L3 bandwidth [MBytes/s] = 1.0E-06*(SUM(CACHE_LOOKUP_READ_MESI))*64/time
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System to L3 data volume [GBytes] = 1.0E-09*(SUM(CACHE_LOOKUP_READ_MESI))*64
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L3 to system bandwidth [MBytes/s] = 1.0E-06*(SUM(CACHE_LOOKUP_WRITE_MESI))*64/time
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L3 to system data volume [GBytes] = 1.0E-09*(SUM(CACHE_LOOKUP_WRITE_MESI))*64
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L3 to/from system bandwidth [MBytes/s] = 1.0E-06*(SUM(CACHE_LOOKUP_READ_MESI)+SUM(CACHE_LOOKUP_WRITE_MESI))*64/time
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L3 to/from system data volume [GBytes] = 1.0E-09*(SUM(CACHE_LOOKUP_READ_MESI)+SUM(CACHE_LOOKUP_WRITE_MESI))*64
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-
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Group to measure cache transfers between L1 and Memory. Please notice that the
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L3 to/from system metrics contain any traffic to the system (memory,
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Intel QPI, etc.) but don't seem to handle anything because commonly memory read
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bandwidth and L3 to L2 bandwidth is higher as the memory to L3 bandwidth.
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