PPC E300 events

This is a list of PPC E300's performance counter event types. Please see PowerPC e300 Core Reference Manual. 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
INSTRUCTION_FETCHES	Instruction fetches	all
PM_EVENT_TRANS	0 to 1 translations on the pm_event input	all
PM_EVENT_CYCLES	processor bus cycle	all
COMPLETED_BRANCHES	Branch Instructions completed	all
COMPLETED_LOAD_OPS	Load micro-ops completed	all
COMPLETED_STORE_OPS	Store micro-ops completed	all
BRANCHES_FINISHED	Branches finished	all
TAKEN_BRANCHES_FINISHED	Taken branches finished	all
BRANCHES_MISPREDICTED	Branch instructions mispredicted due to direction, target, or IAB prediction	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
CACHEINHIBITED_ACCESSES_TRANSLATED	Number of cache inhibited accesses translated	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
MMU_MISSES	Counts instruction TLB miss exceptions	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_RETRIES	Number of transactions which were initiated by this processor which were retried on the BIU interface. (Number of master ARTRYs.)	all
SNOOP_PUSHES	Number of snoop pushes from all D-side resources. (Counts snoop ARTRY/WOPs.)	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
TRANS_TBL	Counts transitions of the TBL bit selected by PMGC0[TBSEL]	all
I_CACHE_HIT	Number if fetches that hit in i-cache	all
INSTRUCTIONS_FOLDED	Number of instructions folded	all
STALLS_COM_BUFFER	Cycles issue stalled due to full completion buffer	all
STALLED_COMPLETION	Cycles that completion is stalled	all
STALLED_LOAD	Cycles that completion is stalled due to load	all
STALLED_FLOAT	Cycles that completion is stalled due to fp instruction	all
L_S_SPACE	Number of loads and stores to cacheable space in D cache	all
L_S_HIT	Number of loads and stores that hit in the D cache	all