/usr/bin/ibv_srq_pingpong: unrecognized option '--help'
Usage:
  /usr/bin/ibv_srq_pingpong            start a server and wait for connection
  /usr/bin/ibv_srq_pingpong <host>     connect to server at <host>

Options:
  -p, --port=<port>      listen on/connect to port <port> (default 18515)
  -d, --ib-dev=<dev>     use IB device <dev> (default first device found)
  -i, --ib-port=<port>   use port <port> of IB device (default 1)
  -s, --size=<size>      size of message to exchange (default 4096)
  -m, --mtu=<size>       path MTU (default 1024)
  -q, --num-qp=<num>     number of QPs to use (default 16)
  -r, --rx-depth=<dep>   number of receives to post at a time (default 500)
  -n, --iters=<iters>    number of exchanges per QP(default 1000)
  -l, --sl=<sl>          service level value
  -e, --events           sleep on CQ events (default poll)
  -g, --gid-idx=<gid index> local port gid index
  -o, --odp		    use on demand paging
  -c, --chk              validate received buffer