cc-metric-collector/collectors/likwid/groups/sandybridgeEP/QPI.txt

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2021-03-25 14:47:10 +01:00
SHORT QPI traffic between sockets
EVENTSET
FIXC0 INSTR_RETIRED_ANY
FIXC1 CPU_CLK_UNHALTED_CORE
FIXC2 CPU_CLK_UNHALTED_REF
SBOX0C0 DIRECT2CORE_SUCCESS
SBOX0C1 RXL_FLITS_G1_DRS_DATA
SBOX0C2 RXL_FLITS_G2_NCB_DATA
SBOX1C0 DIRECT2CORE_SUCCESS
SBOX1C1 RXL_FLITS_G1_DRS_DATA
SBOX1C2 RXL_FLITS_G2_NCB_DATA
METRICS
Runtime (RDTSC) [s] time
Runtime unhalted [s] FIXC1*inverseClock
Clock [MHz] 1.E-06*(FIXC1/FIXC2)/inverseClock
CPI FIXC1/FIXC0
Received bandwidth from QPI [MBytes/s] 1.0E-06*(SBOX0C1+SBOX0C2+SBOX1C1+SBOX1C2)*8/time
Received data volume from QPI [GBytes] 1.0E-09*(SBOX0C1+SBOX0C2+SBOX1C1+SBOX1C2)*8
Bandwidth QPI to LLC [MBytes/s] 1.0E-06*(SBOX0C0+SBOX1C0)*64/time
Data volume QPI to LLC [GBytes] 1.0E-09*(SBOX0C0+SBOX1C0)*64
Bandwidth QPI to HA or IIO [MBytes/s] 1.0E-06*(((SBOX0C1+SBOX0C2+SBOX1C1+SBOX1C2)*8)-((SBOX0C0+SBOX1C0)*64))/time
Data volume QPI to HA or IIO [GBytes] 1.0E-09*(((SBOX0C1+SBOX0C2+SBOX1C1+SBOX1C2)*8)-((SBOX0C0+SBOX1C0)*64))
LONG
Formulas:
Received bandwidth from QPI [MBytes/s] = 1.0E-06*(sum(RXL_FLITS_G1_DRS_DATA)+sum(RXL_FLITS_G2_NCB_DATA))*8/time
Received data volume from QPI [GBytes] = 1.0E-09*(sum(RXL_FLITS_G1_DRS_DATA)+sum(RXL_FLITS_G2_NCB_DATA))*8
Bandwidth QPI to LLC [MBytes/s] = 1.0E-06*(sum(DIRECT2CORE_SUCCESS))*64/time
Data volume QPI to LLC [GBytes] = 1.0E-09*(sum(DIRECT2CORE_SUCCESS))*64
Bandwidth QPI to HA or IIO [MBytes/s] = 1.0E-06*(((sum(RXL_FLITS_G1_DRS_DATA)+sum(RXL_FLITS_G2_NCB_DATA))*8)-((sum(DIRECT2CORE_SUCCESS))*64))/time
Data volume QPI to HA or IIO [GBytes] = 1.0E-09*(((sum(RXL_FLITS_G1_DRS_DATA)+sum(RXL_FLITS_G2_NCB_DATA))*8)-((sum(DIRECT2CORE_SUCCESS))*64))
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Profiling group to measure traffic on the QPI.