The sysstat utilities are a collection of performance monitoring tools for Linux
The sysstat package contains the sar, mpstat, and iostat commands for Linux. 'Sar' collects and reports system activity information; this information can also be saved in a system activity file for future inspection. 'Iostat' reports CPU statistics and I/O statistics for tty devices and disks such as I/O transfer rates, paging activity, process-related activites, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities, and TTY statistics, among others. Sysstat fully supports both UP and SMP machines.
15 August 2002
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