cc-metric-collector/collectors/likwid/groups/power8/TLB_INSTR.txt
2021-03-25 14:47:10 +01:00

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SHORT L1 Instruction TLB miss rate/ratio
EVENTSET
PMC2 PM_ITLB_MISS
PMC4 PM_RUN_INST_CMPL
PMC5 PM_RUN_CYC
METRICS
Runtime (RDTSC) [s] time
CPI PMC5/PMC4
L1 ITLB misses PMC2
L1 ITLB miss rate PMC2/PMC4
LONG
Formulas:
CPI = PM_RUN_CYC / PM_RUN_INST_CMPL
L1 ITLB misses = PM_ITLB_MISS
L1 ITLB miss rate = PM_ITLB_MISS/PM_RUN_INST_CMPL
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The ITLB miss rate gives a measure how often a TLB miss occured per instruction.