sysstat: sysstat (system performance monitoring tools) sysstat: sysstat: The sysstat utilities are a collection of performance monitoring sysstat: tools for Linux. These include sar, sadf, mpstat, iostat and sa sysstat: tools. sysstat: sysstat: The sysstat utilities were written by Sebastien Godard. sysstat: sysstat: sysstat: sysstat: