Sysstat - System Performance Analysis Suite

The Sysstat package contains a variety of utilities common to commercial Unix systems, used to monitor system performance and usage activity:

• mpstat - Report Statistics for Individual or Combined Processors
  • Installation
  • Syntax
  • Example
• iostat - Report CPU Statistics and Input/Output Statistics for Block Devices and Partitions
  • Syntax
• pidstat - Report Statistics for Linux Tasks (Processes): I/O, CPU, Memory, and More
  • Syntax
  • Example

Sysstat also includes tools that can be scheduled via cron or systemd to collect and keep a historical record of performance and activity data:

• sar - Collect, Report, and Save System Activity Information