Usage: /usr/bin/perfquery [options]  [<lid|guid> [[port(s)] [reset_mask]]]

Options:
  --extended, -x          show extended port counters
  --xmtsl, -X             show Xmt SL port counters
  --rcvsl, -S             show Rcv SL port counters
  --xmtdisc, -D           show Xmt Discard Details
  --rcverr, -E            show Rcv Error Details
  --extended_speeds, -T   show port extended speeds counters
  --oprcvcounters         show Rcv Counters per Op code
  --flowctlcounters       show flow control counters
  --vloppackets           show packets received per Op code per VL
  --vlopdata              show data received per Op code per VL
  --vlxmitflowctlerrors   show flow control update errors per VL
  --vlxmitcounters        show ticks waiting to transmit counters per VL
  --swportvlcong          show sw port VL congestion
  --rcvcc                 show Rcv congestion control counters
  --slrcvfecn             show SL Rcv FECN counters
  --slrcvbecn             show SL Rcv BECN counters
  --xmitcc                show Xmit congestion control counters
  --vlxmittimecc          show VL Xmit Time congestion control counters
  --smplctl, -c           show samples control
  --all_ports, -a         show aggregated counters
  --loop_ports, -l        iterate through each port
  --reset_after_read, -r  reset counters after read
  --Reset_only, -R        only reset counters
  --config, -z <config>   use config file, default: /etc/infiniband-diags/ibdiag.conf
  --Ca, -C <ca>           Ca name to use
  --Port, -P <port>       Ca port number to use
  --Lid, -L               use LID address argument
  --Guid, -G              use GUID address argument
  --timeout, -t <ms>      timeout in ms
  --sm_port, -s <lid>     SM port lid
  --m_key, -y <key>       M_Key to use in request
  --pkey-idx, -Y <idx>    P_Key table index for outgoing SA/GMP MADs
                          (default 0)
  --errors, -e            show send and receive errors
  --verbose, -v           increase verbosity level
  --debug, -d             raise debug level
  --help, -h              help message
  --version, -V           show version

Examples:
  /usr/bin/perfquery 		# read local port's performance counters
  /usr/bin/perfquery 32 1		# read performance counters from lid 32, port 1
  /usr/bin/perfquery -x 32 1	# read extended performance counters from lid 32, port 1
  /usr/bin/perfquery -a 32		# read performance counters from lid 32, all ports
  /usr/bin/perfquery -r 32 1	# read performance counters and reset
  /usr/bin/perfquery -x -r 32 1	# read extended performance counters and reset
  /usr/bin/perfquery -R 0x20 1	# reset performance counters of port 1 only
  /usr/bin/perfquery -x -R 0x20 1	# reset extended performance counters of port 1 only
  /usr/bin/perfquery -R -a 32	# reset performance counters of all ports
  /usr/bin/perfquery -R 32 2 0x0fff	# reset only error counters of port 2
  /usr/bin/perfquery -R 32 2 0xf000	# reset only non-error counters of port 2
  /usr/bin/perfquery -a 32 1-10	# read performance counters from lid 32, port 1-10, aggregate output
  /usr/bin/perfquery -l 32 1-10	# read performance counters from lid 32, port 1-10, output each port
  /usr/bin/perfquery -a 32 1,4,8	# read performance counters from lid 32, port 1, 4, and 8, aggregate output
  /usr/bin/perfquery -l 32 1,4,8	# read performance counters from lid 32, port 1, 4, and 8, output each port