User Guide


Intel Processor Events Reference

Intel® VTune™
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:
  • When adding new events to your custom configuration, select an event in the table and explore its short description, or click the
    button to open the
    Intel Processor Events Reference
    for more details:
  • For a full list of processor events and descriptions, explore the web-based Intel Processor Events Reference.

Product and Performance Information


Performance varies by use, configuration and other factors. Learn more at