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IBM System z196 events

This is a list of all System z196 CPU's performance counter event types. Please see the "The Load-Program-Parameter and CPU-Measurement Facilities" document at

NameDescriptionCounters usableUnit mask options
CPU_CYCLES Processor cycles all
INSTRUCTIONS Instructions completed all
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