This is a list of ia64-core CPU's performance counter event types. Please see the Intel Architecture Itanium Family Reference Manual Chapter 10.
| Name | Description | Counters usable | Unit mask options |
| CPU_CYCLES | CPU Cycles | all | |
| IA64_INST_RETIRED | IA-64 Instructions Retired | all |
More computing sins are committed in the name of efficiency (without necessarily achieving it) than for any other single reason - including blind stupidity.- W. A. Wulf