Managing System Information, Processes, and Performance in Oracle® Solaris 11.2

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Updated: September 2014

About Monitoring System Performance

While your computer is running, counters in the operating system are incremented to track various system activities.

    System activities that are tracked are as follows:

  • Central processing unit (CPU) utilization

  • Buffer usage

  • Disk and tape input/output (I/O) activity

  • Terminal device activity

  • System call activity

  • Context switching

  • File access

  • Queue activity

  • Kernel tables

  • Interprocess communication

  • Paging

  • Free memory and swap space

  • Kernel memory allocation (KMA)