SHORT UPI data traffic EVENTSET FIXC0 INSTR_RETIRED_ANY FIXC1 CPU_CLK_UNHALTED_CORE FIXC2 CPU_CLK_UNHALTED_REF SBOX0C0 TXL_FLITS_ALL_DATA SBOX0C1 RXL_FLITS_ALL_DATA SBOX1C0 TXL_FLITS_ALL_DATA SBOX1C1 RXL_FLITS_ALL_DATA SBOX2C0 TXL_FLITS_ALL_DATA SBOX2C1 RXL_FLITS_ALL_DATA METRICS Runtime (RDTSC) [s] time Runtime unhalted [s] FIXC1*inverseClock Clock [MHz] 1.E-06*(FIXC1/FIXC2)/inverseClock CPI FIXC1/FIXC0 Received data bandwidth [MByte/s] 1.0E-06*((SBOX0C1+SBOX1C1+SBOX2C1)/9.0)*64.0/time Received data volume [GByte] 1.0E-09*((SBOX0C1+SBOX1C1+SBOX2C1)/9.0)*64.0 Sent data bandwidth [MByte/s] 1.0E-06*((SBOX0C0+SBOX1C0+SBOX2C0)/9.0)*64.0/time Sent data volume [GByte] 1.0E-09*((SBOX0C0+SBOX1C0+SBOX2C0)/9.0)*64.0 Total data bandwidth [MByte/s] 1.0E-06*((SBOX0C0+SBOX1C0+SBOX2C0+SBOX0C1+SBOX1C1+SBOX2C1)/9.0)*64.0/time Total data volume [GByte] 1.0E-09*((SBOX0C0+SBOX1C0+SBOX2C0+SBOX0C1+SBOX1C1+SBOX2C1)/9.0)*64.0 LONG Formulas: Received data bandwidth [MByte/s] = 1.0E-06*(SUM(RXL_FLITS_ALL_DATA)/9.0)*64.0/runtime Received data volume [GByte] = 1.0E-09*(SUM(RXL_FLITS_ALL_DATA)/9.0)*64.0 Sent data bandwidth [MByte/s] = 1.0E-06*(SUM(TXL_FLITS_ALL_DATA)/9.0)*64.0/time Sent data volume [GByte] = 1.0E-09*(SUM(TXL_FLITS_ALL_DATA)/9.0)*64.0 Total data bandwidth [MByte/s] = 1.0E-06*((SUM(RXL_FLITS_ALL_DATA)+SUM(TXL_FLITS_ALL_DATA))/9.0)*64.0/time Total data volume [GByte] = 1.0E-09*((SUM(RXL_FLITS_ALL_DATA)+SUM(TXL_FLITS_ALL_DATA))/9.0)*64.0 -- This group measures the data traffic on the UPI (socket interconnect). The group measures all filled data slots (9 slots per 64 Byte data transfer), that's why the count needs to be divided by 9. These 9 data chunks are not transferred in a single flit but there is one flit for the header and three flits for the data. The metrics show higher values as expected because the events count also different transfers which include data.