sadc - System activity data collector
The sadc command
samples system data a specified number of times at a specified interval
measured in seconds. It writes to the specified output file or the
standard output in binary format. The sadc command
is a backend to the sar command.
Data about, for example, the following areas is captured:
- CPU utilization
- Disk I/O overview and on device level
- Network I/O and errors on device level
- Memory usage and swapping