Provided by: opa-fastfabric_10.10.3.0.11-1ubuntu3_amd64 
      
    
NAME
       opatop
       Starts  the  Fabric  Performance  Monitor  (opatop)  Text-based  User  Interface  (TUI)  menu  to display
       performance, congestion, and error information about a fabric.
Syntax
       opatop [-v] [-q] [-h  hfi] [-p  port] [--timeout] [-i  seconds]
Options
       --help
                 Produces full help text.
       -v/--verbose level
                 Specifies the verbose output level. Value is additive and includes:
                 1         Screen
                 4         STDERR opatop
                 16        STDERR PaClient
       -q/--quiet
                 Disables progress reports.
       -h/--hfi hfi
                 Specifies the HFI, numbered 1..n. Using 0 specifies that the -p port port is a system-wide port
                 number. Default is 0.
       -p/--port port
                 Specifies the port, numbered 1..n. Using 0 specifies the first active port. Default is 0.
       --timeout
                 Specifies the timeout (response wait time) in ms. Default is 1000 ms.
       -i/--interval seconds
                 Interval in seconds at which PA queries are performed  to  refresh  to  the  latest  PA  image.
                 Default is 10 seconds.
-h and -p options permit a variety of selections:
       -h 0
                 First active port in system (Default).
       -h 0 -p 0
                 First active port in system.
       -h x
                 First active port on HFI x.
       -h x -p 0
                 First active port on HFI x.
       -h 0 -p y
                 Port y within system (no matter which ports are active).
       -h x -p y
                 HFI x, port y.
Copyright(C) 2015-2019                          Intel Corporation                                      opatop(8)