cc-metric-collector/collectors/likwid/groups/arm8_n1/TLB.txt

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2021-03-25 14:47:10 +01:00
SHORT L1/L2 TLB information
EVENTSET
PMC0 L1D_TLB
PMC1 L1I_TLB
PMC2 L2D_TLB
PMC3 L1D_TLB_REFILL
PMC4 L1I_TLB_REFILL
PMC5 L2D_TLB_REFILL
METRICS
Runtime (RDTSC) [s] time
L1 DTLB accesses PMC0
L1 ITLB accesses PMC1
L2 DTLB accesses PMC2
L1 DTLB refills PMC3
L1 ITLB refills PMC4
L2 DTLB refills PMC5
L1 DTLB refill ratio PMC3/PMC0
L1 ITLB refill ratio PMC4/PMC1
L1 DTLB refill ratio PMC5/PMC2
LONG
Formulas:
L1 DTLB refill ratio = L1D_TLB_REFILL / L1D_TLB
L1 ITLB refill ratio = L1I_TLB_REFILL / L1I_TLB
L2 DTLB refill ratio = L2D_TLB_REFILL / L2D_TLB
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This group gives information about the TLB usage for all TLBs:
L1 data, L1 instruction and L2 data.