Intel Processor Events Reference

Intel® VTune™ Amplifier provides a set of hardware event-based analysis types that help you estimate how effectively your application uses hardware resources. These analysis types monitor hardware events supported by your system's Performance Monitoring Unit (PMU). The PMU is hardware built inside a processor to measure its performance parameters such as instruction cycles, cache hits, cache misses, branch misses and many others.


For more information on Intel® 64 and IA-32 architectures, explore Intel Software Developer Manuals available at

For details on hardware events supported by your system's PMU, use any of the following options:

For more complete information about compiler optimizations, see our Optimization Notice.
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