User Manual

Rev 2.2-1.0.1
Mellanox Technologies
275
Synopsis
Server
ib_send_bw [options]
Client
ib_send_bw [options] <hostname>
Options
The table below lists the various flags of the command.
Table 48 - ib_send_bw Flags and Options
Flag Description
-a, --all Run sizes from 2 till 2^23
-b, --bidirectional Measure bidirectional bandwidth (default unidirectional)
-c, --connection=<RC/XRC/UC/
UD/DC>
Connection type RC/XRC/UC/UD/DC (default RC)
-d, --ib-dev=<dev> Use IB device <dev> (default first device found)
-D, --duration Run test for a customized period of seconds.
-e, --events Sleep on CQ events (default poll)
-f, --margin Measure results within margins. (default=2sec)
-F, --CPU-freq Do not fail even if cpufreq_ondemand module is loaded
-g, --mcg=<num_of_qps> Send messages to multicast group with <num_of_qps>
qps attached to it.
-h, --help Show this help screen.
-i, --ib-port=<port> Use port <port> of IB device (default 1)
-I, --inline_size=<size> Max size of message to be sent in inline
-l, --post_list=<list size> Post list of WQEs of <list size> size (instead of single
post)
-m, --mtu=<mtu> MTU size : 256 - 4096 (default port mtu)
-M, --MGID=<multicast_gid> In multicast, uses <multicast_gid> as the group MGID.
-n, --iters=<iters> Number of exchanges (at least 5, default 1000)
-N, --no peak-bw Cancel peak-bw calculation (default with peak)
-O, --dualport Run test in dual-port mode.
-p, --port=<port> Listen on/connect to port <port> (default 18515)
-q, --qp=<num of qp's> Num of qp's(default 1)