SHORT CBOX related data and metrics EVENTSET FIXC0 INSTR_RETIRED_ANY FIXC1 CPU_CLK_UNHALTED_CORE FIXC2 CPU_CLK_UNHALTED_REF CBOX0C0 LLC_VICTIMS_M_STATE CBOX1C0 LLC_VICTIMS_M_STATE CBOX2C0 LLC_VICTIMS_M_STATE CBOX3C0 LLC_VICTIMS_M_STATE CBOX4C0 LLC_VICTIMS_M_STATE CBOX5C0 LLC_VICTIMS_M_STATE CBOX6C0 LLC_VICTIMS_M_STATE CBOX7C0 LLC_VICTIMS_M_STATE CBOX8C0 LLC_VICTIMS_M_STATE CBOX9C0 LLC_VICTIMS_M_STATE CBOX10C0 LLC_VICTIMS_M_STATE CBOX11C0 LLC_VICTIMS_M_STATE CBOX12C0 LLC_VICTIMS_M_STATE CBOX13C0 LLC_VICTIMS_M_STATE CBOX14C0 LLC_VICTIMS_M_STATE CBOX0C1:STATE=0x1 LLC_LOOKUP_ANY CBOX1C1:STATE=0x1 LLC_LOOKUP_ANY CBOX2C1:STATE=0x1 LLC_LOOKUP_ANY CBOX3C1:STATE=0x1 LLC_LOOKUP_ANY CBOX4C1:STATE=0x1 LLC_LOOKUP_ANY CBOX5C1:STATE=0x1 LLC_LOOKUP_ANY CBOX6C1:STATE=0x1 LLC_LOOKUP_ANY CBOX7C1:STATE=0x1 LLC_LOOKUP_ANY CBOX8C1:STATE=0x1 LLC_LOOKUP_ANY CBOX9C1:STATE=0x1 LLC_LOOKUP_ANY CBOX10C1:STATE=0x1 LLC_LOOKUP_ANY CBOX11C1:STATE=0x1 LLC_LOOKUP_ANY CBOX12C1:STATE=0x1 LLC_LOOKUP_ANY CBOX13C1:STATE=0x1 LLC_LOOKUP_ANY CBOX14C1:STATE=0x1 LLC_LOOKUP_ANY METRICS Runtime (RDTSC) [s] time Runtime unhalted [s] FIXC1*inverseClock Clock [MHz] 1.E-06*(FIXC1/FIXC2)/inverseClock CPI FIXC1/FIXC0 LLC misses per instruction (CBOX0C0+CBOX1C0+CBOX2C0+CBOX3C0+CBOX4C0+CBOX5C0+CBOX6C0+CBOX7C0+CBOX8C0+CBOX9C0+CBOX10C0+CBOX11C0+CBOX12C0+CBOX13C0+CBOX14C0)/FIXC0 LLC data written to MEM [MBytes] 1E-6*(CBOX0C1:STATE=0x1+CBOX1C1:STATE=0x1+CBOX2C1:STATE=0x1+CBOX3C1:STATE=0x1+CBOX4C1:STATE=0x1+CBOX5C1:STATE=0x1+CBOX6C1:STATE=0x1+CBOX7C1:STATE=0x1+CBOX8C1:STATE=0x1+CBOX9C1:STATE=0x1+CBOX10C1:STATE=0x1+CBOX11C1:STATE=0x1+CBOX12C1:STATE=0x1+CBOX13C1:STATE=0x1+CBOX14C1:STATE=0x1)*64 LONG Formulas: LLC misses per instruction = sum(LLC_VICTIMS_M_STATE)/INSTR_RETIRED_ANY LLC data written to MEM [MBytes] = sum(LLC_LOOKUP_ANY:STATE=0x1)*64*1E-6 -- The CBOXes mediate the traffic from the L2 cache to the segmented L3 cache. Each CBOX is responsible for one segment (2.5 MByte). The boxes maintain the coherence between all CPU cores of the socket. Depending on the CPU core count, some CBOXes are not attached to a 2.5 MByte slice but are still active and track the traffic.