NAME

       diskdevstat - tool for recording harddisk activity

SYNOPSIS

       diskdevstat [update interval] [total duration] [display histogram]

DESCRIPTION

       diskdevstat  is  a  simple  systemtap  script to record harddisk activity of processes and
       display statistics for read/write operations.

       update interval
              Sets sampling interval in seconds.

       total duration
              Sets total measurement time in seconds.

       display histogram
              If this parameter is present, the histogram  will  be  shown  at  the  end  of  the
              measurement.

SEE ALSO

       tuned(8) netdevstat(8) varnetload(8) scomes(8) stap(1)

AUTHOR

       Written by Phil Knirsch <pknirsch@redhat.com>.

REPORTING BUGS

       Report bugs to https://bugzilla.redhat.com/.