Alpha EV4 events

This is a list of Alpha EV4 CPU's performance counter event types. Please see alpha architecture reference

Name	Description	Counters usable	Unit mask options
ISSUES	Total issues divided by 2	0
PIPELINE_DRY	Nothing issued, no valid I-stream data	0
LOAD_INSNS	All load instructions	0
PIPELINE_FROZEN	Nothing issued, resource conflict	0
BRANCH_INSNS	All branches (conditional, unconditional, jsr, hw_rei)	0
CYCLES	Total cycles	0
PAL_MODE	Cycles while in PALcode environment	0
NON_ISSUES	Total nonissues divided by 2	0
DCACHE_MISSES	Total D-cache misses	0
ICACHE_MISSES	Total I-cache misses	0
DUAL_ISSUE_CYCLES	Cycles of dual issue	0
BRANCH_MISPREDICTS	Branch mispredicts (conditional, jsr, hw_rei)	0
FP_INSNS	FP operate instructions (not br, load, store)	0
INTEGER_OPERATE	Integer operate instructions	0
STORE_INSNS	Store instructions	0