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Alpha EV67 events

This is a list of Alpha EV67 CPU's performance counter event types. Please see alpha architecture reference

NameDescriptionCounters usableUnit mask options
CYCLES Total cycles 0, 1
INSTRUCTIONS Retired instructions 0
BCACHE_MISS Bcache misses/long probe latency 1
MBOX_REPLAY Mbox replay traps 1
Measurement is a crucial component of performance improvement since reasoning and intuition are fallible guides and must be supplemented with tools like timing commands and profilers. - The Practice of Programming, Brian W. Kernighan and Rob Pike