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ppc64 POWER9 events

This is a list of all ppc64 POWER9's performance counter event types.

NameDescriptionCounters usable
SW_INCR Software increment of PMNC registers 1, 2, 3, 4, 5, 6
L1I_CACHE_REFILL Level 1 instruction cache refill 1, 2, 3, 4, 5, 6
L1I_TLB_REFILL Level 1 instruction TLB refill 1, 2, 3, 4, 5, 6
L1D_CACHE_REFILL Level 1 data cache refill 1, 2, 3, 4, 5, 6
L1D_CACHE Level 1 data cache access 1, 2, 3, 4, 5, 6
L1D_TLB_REFILL Level 1 data TLB refill 1, 2, 3, 4, 5, 6
LD_RETIRED Load instruction architecturally executed, condition code pass 1, 2, 3, 4, 5, 6
ST_RETIRED Store instruction architecturally executed, condition code pass 1, 2, 3, 4, 5, 6
INST_RETIRED Instruction architecturally executed 1, 2, 3, 4, 5, 6
EXC_TAKEN Exception taken 1, 2, 3, 4, 5, 6
EXC_RETURN Exception return instruction architecturally executed 1, 2, 3, 4, 5, 6
CID_WRITE_RETIRED Write to CONTEXTIDR register architecturally executed 1, 2, 3, 4, 5, 6
PC_WRITE_RETIRED Software change of the PC architecturally executed, condition code pass 1, 2, 3, 4, 5, 6
BR_IMMED_RETIRED Immediate branch instruction architecturally executed 1, 2, 3, 4, 5, 6
BR_RETURN_RETIRED Procedure return instruction architecturally executed, condition code pass 1, 2, 3, 4, 5, 6
UNALIGNED_LDST_RETIRED Unaligned load or store instruction architecturally executed, condition code pass 1, 2, 3, 4, 5, 6
BR_MIS_PRED Mispredicted or not predicted branch speculatively executed 1, 2, 3, 4, 5, 6
BR_PRED Predictable branch speculatively executed 1, 2, 3, 4, 5, 6
MEM_ACCESS Data memory access 1, 2, 3, 4, 5, 6
L1I_CACHE Level 1 instruction cache access 1, 2, 3, 4, 5, 6
L1D_CACHE_WB Level 1 data cache write-back 1, 2, 3, 4, 5, 6
L2D_CACHE Level 2 data cache access 1, 2, 3, 4, 5, 6
L2D_CACHE_REFILL Level 2 data cache refill 1, 2, 3, 4, 5, 6
L2D_CACHE_WB Level 2 data cache write-back 1, 2, 3, 4, 5, 6
BUS_ACCESS Bus access 1, 2, 3, 4, 5, 6
MEMORY_ERROR Local memory error 1, 2, 3, 4, 5, 6
INST_SPEC Instruction speculatively executed 1, 2, 3, 4, 5, 6
TTBR_WRITE_RETIRED Write to TTBR architecturally executed, condition code pass 1, 2, 3, 4, 5, 6
BUS_CYCLES Bus cycle 1, 2, 3, 4, 5, 6
CPU_CYCLES CPU cycle 0
L1D_CACHE_LD Level 1 data cache access, read 1, 2, 3, 4, 5, 6
L1D_CACHE_ST Level 1 data cache access, write 1, 2, 3, 4, 5, 6
L2D_CACHE_LD Level 2 data cache access, read 1, 2, 3, 4, 5, 6
L2D_CACHE_ST Level 2 data cache access, write 1, 2, 3, 4, 5, 6
L2D_CACHE_WB_VICTIM Level 2 data cache write-back, victim 1, 2, 3, 4, 5, 6
L2D_CACHE_WB_CLEAN Level 2 data cache write-back, cleaning and coherency 1, 2, 3, 4, 5, 6
L2D_CACHE_INVAL Level 2 data cache invalidate 1, 2, 3, 4, 5, 6
BUS_ACCESS_SHARED Bus access, normal, cacheable, shareable 1, 2, 3, 4, 5, 6
BUS_ACCESS_NOT_SHARED Bus access, not normal, cacheable, shareable 1, 2, 3, 4, 5, 6
BUS_ACCESS_NORMAL Bus access, normal 1, 2, 3, 4, 5, 6
BUS_ACCESS_PERIPH Bus access, peripheral 1, 2, 3, 4, 5, 6
MEM_ACCESS_LD Data memory access, read 1, 2, 3, 4, 5, 6
MEM_ACCESS_ST Data memory access, write 1, 2, 3, 4, 5, 6
UNALIGNED_LD_SPEC Unaligned access, read 1, 2, 3, 4, 5, 6
UNALIGNED_ST_SPEC Unaligned access, write 1, 2, 3, 4, 5, 6
UNALIGNED_LDST_SPEC Unaligned access 1, 2, 3, 4, 5, 6
LDREX_SPEC ldrex instruction speculatively executed 1, 2, 3, 4, 5, 6
STREX_FAIL_SPEC strex instruction speculatively executed, fail 1, 2, 3, 4, 5, 6
STREX_SPEC strex instruction speculatively executed 1, 2, 3, 4, 5, 6
LD_SPEC Load instruction speculatively executed 1, 2, 3, 4, 5, 6
ST_SPEC Store instruction speculatively executed 1, 2, 3, 4, 5, 6
LDST_SPEC Load or store instruction speculatively executed 1, 2, 3, 4, 5, 6
DP_SPEC Data processing instruction speculatively executed 1, 2, 3, 4, 5, 6
ASE_SPEC Advanced SIMD extension instruction speculatively executed 1, 2, 3, 4, 5, 6
VFP_SPEC Floating-point extension instruction speculatively executed 1, 2, 3, 4, 5, 6
PC_WRITE_SPEC Software change of the PC instruction speculatively executed 1, 2, 3, 4, 5, 6
BR_IMMED_SPEC Immediate branch instruction speculatively executed 1, 2, 3, 4, 5, 6
BR_RETURN_SPEC Procedure return instruction speculatively executed 1, 2, 3, 4, 5, 6
BR_INDIRECT_SPEC Indirect branch instruction speculatively executed 1, 2, 3, 4, 5, 6
ISB_SPEC ISB barrier instruction speculatively executed 1, 2, 3, 4, 5, 6
DSB_SPEC DSB barrier instruction speculatively executed 1, 2, 3, 4, 5, 6
DMB_SPEC DMB barrier instruction speculatively executed 1, 2, 3, 4, 5, 6
EXC_UNDEF Exception taken, Undefined Instruction 1, 2, 3, 4, 5, 6
EXC_HVC Exception taken, Hypervisor Call 1, 2, 3, 4, 5, 6
LF_STALL Linefill caused an instruction side stall 1, 2, 3, 4, 5, 6
PTW_STALL Translation table walk caused an instruction side stall 1, 2, 3, 4, 5, 6
I_TAG_RAM_RD Number of set of 4 ways read in the instruction cache - Tag RAM 1, 2, 3, 4, 5, 6
I_DATA_RAM_RD Number of ways read in the instruction cache - Data RAM 1, 2, 3, 4, 5, 6
I_BTAC_RAM_RD Number of ways read in the instruction BTAC RAM 1, 2, 3, 4, 5, 6
DATA_SNOOP Data snooped from other processor 1, 2, 3, 4, 5, 6
D_LSU_SLOT_FULL Duration during which all slots in the Load-Store Unit are busy 1, 2, 3, 4, 5, 6
LS_IQ_FULL Duration during which all slots in the Load-Store Issue queue are busy 1, 2, 3, 4, 5, 6
DP_IQ_FULL Duration during which all slots in the Data Processing issue queue are busy. 1, 2, 3, 4, 5, 6
DE_IQ_FULL Duration during which all slots in the Data Engine issue queue are busy 1, 2, 3, 4, 5, 6
FLUSH_DE_NEON Number of NEON instruction which fail their condition code and lead to a flush of the DE pipe 1, 2, 3, 4, 5, 6
EXC_TRAP_HYP Number of Trap to hypervisor 1, 2, 3, 4, 5, 6
ETM_EXT_OUT0 PTM EXTOUT 0 1, 2, 3, 4, 5, 6
ETM_EXT_OUT1 PTM EXTOUT 1 1, 2, 3, 4, 5, 6
MMU_PTW Duration during which the MMU handle a translation table walk. 1, 2, 3, 4, 5, 6
MMU_PTW_ST1 Duration during which the MMU handle a Stage1 translation table walk 1, 2, 3, 4, 5, 6
MMU_PTW_ST2 Duration during which the MMU handle a Stage2 translation table walk 1, 2, 3, 4, 5, 6
MMU_PTW_LSU Duration during which the MMU handle a translation table walk requested by the Load Store Unit 1, 2, 3, 4, 5, 6
MMU_PTW_ISIDE Duration during which the MMU handle a translation table walk requested by the Instruction side 1, 2, 3, 4, 5, 6
MMU_PTW_PLD Duration during which the MMU handle a translation table walk requested by a Preload instruction or Prefetch request 1, 2, 3, 4, 5, 6
MMU_PTW_CP15 Duration during which the MMU handle a translation table walk requested by a CP15 operation 1, 2, 3, 4, 5, 6
PLD_UTLB_REFILL Level 1 PLD TLB refill 1, 2, 3, 4, 5, 6
CP15_UTLB_REFILL Level 1 CP15 TLB refil 1, 2, 3, 4, 5, 6
UTLB_FLUSH Level 1 TLB flus 1, 2, 3, 4, 5, 6
TLB_ACCESS Level 2 TLB access 1, 2, 3, 4, 5, 6
TLB_MISS Level 2 TLB miss 1, 2, 3, 4, 5, 6
Optimizations always bust things, because all optimizations are, in the long haul, a form of cheating, and cheaters eventually get caught. - Larry Wall
2020/07/20