User Manual

InfiniBand Fabric UtilitiesRev 2.2-1.0.1
Mellanox Technologies
278
Additional Options
The table below lists the additional flags of the command.
-g, --mcg=<num_of_qps> Send messages to multicast group with <num_of_qps>
qps attached to it.
-h, --help Show this help screen.
-H, --report-histogram Print out all results (default print summary only)
-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
-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)
-p, --port=<port> Listen on/connect to port <port> (default 18515)
-r, --rx-depth=<dep> Rx queue size (default 512). If using srq, rx-depth con-
trols max-wr size of the srq
-R, --rdma_cm Connect QPs with rdma_cm and run test on those QPs
-s, --size=<size> Size of message to exchange (default 2)
-S, --sl=<sl> SL (default 0)
-T, --tos=<tos value> Set <tos_value> to RDMA-CM QPs. available only with
-R flag. values 0-256 (default off)
-u, --qp-timeout=<timeout> QP timeout, timeout value is 4 usec * 2 ^(timeout),
default 14
-U, --report-unsorted (implies -H) print out unsorted results (default sorted)
-V, --version Display version number
-x, --gid-index=<index> Test uses GID with GID index (Default : IB - no gid .
ETH - 0)
-z, --com_rdma_cm Communicate with rdma_cm module to exchange data -
use regular QPs
Table 52 - Additional ib_send_lat Flags and Options
Flag Description
--inline_recv=<size> Max size of message to be sent in inline receive
Table 51 - ib_send_lat Flags and Options
Flag Description