dstat: Dstat - Versatile resource statistics tool
dstat: 
dstat: Dstat is a versatile replacement for vmstat, iostat, netstat, nfsstat
dstat: and ifstat. Dstat overcomes some of their limitations and adds some
dstat: extra features, more counters and flexibility. Dstat is handy for
dstat: monitoring systems during performance tuning tests, benchmarks or
dstat: troubleshooting.
dstat:
dstat:
dstat: http://dag.wieers.com/home-made/dstat/
dstat: