PPC E500 v2 events

This is a list of PPC E500 v2's performance counter event types. Please see PowerPC e500 Core Complex Reference Manual Chapter 7: Performance Monitor. Downloadable from freescale.com

Name	Description	Counters usable	Unit mask options
CPU_CLK	Cycles	all
COMPLETED_INSNS	Completed Instructions (0, 1, or 2 per cycle)	all
COMPLETED_OPS	Completed Micro-ops (counts 2 for load/store w/update)	all
INSTRUCTION_FETCHES	Instruction fetches	all
DECODED_OPS	Micro-ops decoded	all
COMPLETED_BRANCHES	Branch Instructions completed	all
COMPLETED_LOAD_OPS	Load micro-ops completed	all
COMPLETED_STORE_OPS	Store micro-ops completed	all
COMPLETION_REDIRECTS	Number of completion buffer redirects	all
BRANCHES_FINISHED	Branches finished	all
TAKEN_BRANCHES_FINISHED	Taken branches finished	all
BIFFED_BRANCHES_FINISHED	Biffed branches finished	all
BRANCHES_MISPREDICTED	Branch instructions mispredicted due to direction, target, or IAB prediction	all
BRANCHES_MISPREDICTED_DIRECTION	Branches mispredicted due to direction prediction	all
BTB_HITS	Branches that hit in the BTB, or missed but are not taken	all
DECODE_STALLED	Cycles the instruction buffer was not empty, but 0 instructions decoded	all
ISSUE_STALLED	Cycles the issue buffer is not empty but 0 instructions issued	all
BRANCH_ISSUE_STALLED	Cycles the branch buffer is not empty but 0 instructions issued	all
SRS0_SCHEDULE_STALLED	Cycles SRS0 is not empty but 0 instructions scheduled	all
SRS1_SCHEDULE_STALLED	Cycles SRS1 is not empty but 0 instructions scheduled	all
VRS_SCHEDULE_STALLED	Cycles VRS is not empty but 0 instructions scheduled	all
LRS_SCHEDULE_STALLED	Cycles LRS is not empty but 0 instructions scheduled	all
BRS_SCHEDULE_STALLED	Cycles BRS is not empty but 0 instructions scheduled Load/Store, Data Cache, and dLFB Events	all
TOTAL_TRANSLATED	Total Ldst microops translated.	all
LOADS_TRANSLATED	Number of cacheable L* or EVL* microops translated. (This includes microops from load-multiple, load-update, and load-context instructions.)	all
STORES_TRANSLATED	Number of cacheable ST* or EVST* microops translated. (This includes microops from store-multiple, store-update, and save-context instructions.)	all
TOUCHES_TRANSLATED	Number of cacheable DCBT and DCBTST instructions translated (L1 only) (Does not count touches that are converted to nops i.e. exceptions, noncacheable, hid0[nopti] bit is set.)	all
CACHEOPS_TRANSLATED	Number of dcba, dcbf, dcbst, and dcbz instructions translated (e500 traps on dcbi)	all
CACHEINHIBITED_ACCESSES_TRANSLATED	Number of cache inhibited accesses translated	all
GUARDED_LOADS_TRANSLATED	Number of guarded loads translated	all
WRITETHROUGH_STORES_TRANSLATED	Number of write-through stores translated	all
MISALIGNED_ACCESSES_TRANSLATED	Number of misaligned load or store accesses translated.	all
TOTAL_ALLOCATED_DLFB	Total allocated to dLFB	all
LOADS_TRANSLATED_ALLOCATED_DLFB	Loads translated and allocated to dLFB (Applies to same class of instructions as loads translated.)	all
STORES_COMPLETED_ALLOCATED_DLFB	Stores completed and allocated to dLFB (Applies to same class of instructions as stores translated.)	all
TOUCHES_TRANSLATED_ALLOCATED_DLFB	Touches translated and allocated to dLFB (Applies to same class of instructions as touches translated.)	all
STORES_COMPLETED	Number of cacheable ST* or EVST* microops completed. (Applies to the same class of instructions as stores translated.)	all
DL1_LOCKS	Number of cache lines locked in the dL1. (Counts a lock even if an overlock condition is encountered.)	all
DL1_RELOADS	This is historically used to determine dcache miss rate (along with loads/stores completed). This counts dL1 reloads for any reason.	all
DL1_CASTOUTS	dL1 castouts. Does not count castouts due to DCBF.	all
DETECTED_REPLAYS	Times detected replay condition - Load miss with dLFB full.	all
LOAD_MISS_QUEUE_FULL_REPLAYS	Load miss with load queue full.	all
LOAD_GUARDED_MISS_NOT_LAST_REPLAYS	Load guarded miss when the load is not yet at the bottom of the completion buffer.	all
STORE_TRANSLATED_QUEUE_FULL_REPLAYS	Translate a store when the StQ is full.	all
ADDRESS_COLLISION_REPLAYS	Address collision.	all
DMMU_MISS_REPLAYS	DMMU_MISS_REPLAYS : DMMU miss.	all
DMMU_BUSY_REPLAYS	DMMU_BUSY_REPLAYS : DMMU busy.	all
SECOND_PART_MISALIGNED_AFTER_MISS_REPLAYS	Second part of misaligned access when first part missed in cache.	all
LOAD_MISS_DLFB_FULL_CYCLES	Cycles stalled on replay condition - Load miss with dLFB full.	all
LOAD_MISS_QUEUE_FULL_CYCLES	Cycles stalled on replay condition - Load miss with load queue full.	all
LOAD_GUARDED_MISS_NOT_LAST_CYCLES	Cycles stalled on replay condition - Load guarded miss when the load is not yet at the bottom of the completion buffer.	all
STORE_TRANSLATED_QUEUE_FULL_CYCLES	Cycles stalled on replay condition - Translate a store when the StQ is full.	all
ADDRESS_COLLISION_CYCLES	Cycles stalled on replay condition - Address collision.	all
DMMU_MISS_CYCLES	Cycles stalled on replay condition - DMMU miss.	all
DMMU_BUSY_CYCLES	Cycles stalled on replay condition - DMMU busy.	all
SECOND_PART_MISALIGNED_AFTER_MISS_CYCLES	Cycles stalled on replay condition - Second part of misaligned access when first part missed in cache.	all
IL1_LOCKS	Number of cache lines locked in the iL1. (Counts a lock even if an overlock condition is encountered.)	all
IL1_FETCH_RELOADS	This is historically used to determine icache miss rate (along with instructions completed) Reloads due to demand fetch.	all
FETCHES	Counts the number of fetches that write at least one instruction to the instruction buffer. (With instruction fetched, can used to compute instructions-per-fetch)	all
IMMU_TLB4K_RELOADS	iMMU TLB4K reloads	all
IMMU_VSP_RELOADS	iMMU VSP reloads	all
DMMU_TLB4K_RELOADS	dMMU TLB4K reloads	all
DMMU_VSP_RELOADS	dMMU VSP reloads	all
L2MMU_MISSES	Counts iTLB/dTLB error interrupt	all
BIU_MASTER_REQUESTS	Number of master transactions. (Number of master TSs.)	all
BIU_MASTER_I_REQUESTS	Number of master I-Side transactions. (Number of master I-Side TSs.)	all
BIU_MASTER_D_REQUESTS	Number of master D-Side transactions. (Number of master D-Side TSs.)	all
BIU_MASTER_D_CASTOUT_REQUESTS	Number of master D-Side non-program-demand castout transactions. This counts replacement pushes and snoop pushes. This does not count DCBF castouts. (Number of master D-side non-program-demand castout TSs.)	all
BIU_MASTER_RETRIES	Number of transactions which were initiated by this processor which were retried on the BIU interface. (Number of master ARTRYs.)	all
SNOOP_REQUESTS	Number of externally generated snoop requests. (Counts snoop TSs.)	all
SNOOP_HITS	Number of snoop hits on all D-side resources regardless of the cache state (modified, exclusive, or shared)	all
SNOOP_PUSHES	Number of snoop pushes from all D-side resources. (Counts snoop ARTRY/WOPs.)	all
SNOOP_RETRIES	Number of snoop requests retried. (Counts snoop ARTRYs.)	all
PMC0_OVERFLOW	Counts the number of times PMC0[32] transitioned from 1 to 0.	all
PMC1_OVERFLOW	Counts the number of times PMC1[32] transitioned from 1 to 0.	all
PMC2_OVERFLOW	Counts the number of times PMC2[32] transitioned from 1 to 0.	all
PMC3_OVERFLOW	Counts the number of times PMC3[32] transitioned from 1 to 0.	all
INTERRUPTS	Number of interrupts taken	all
EXTERNAL_INTERRUPTS	Number of external input interrupts taken	all
CRITICAL_INTERRUPTS	Number of critical input interrupts taken	all
SC_TRAP_INTERRUPTS	Number of system call and trap interrupts	all