ib_rdma_lat(1) RDM latency test


ib_rdma_lat [ options ] [ server IP address ]


This program tests the latency of RMDA write transactions.


-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: 65536)
-t, --tx-depth=<dep>
size of tx queue (default 100)
-n, --iters=<iters>
number of exchanges (at least 2, default: 1000)
-I, --inline_size=<size>
max size of message to be sent in inline mode (default 400)
-C, --report-cycles
report times in cpu cycle units (default microseconds)
-H, --report-histogram
print out all results (default print summary only)
-U, --report-unsorted
(implies -H) print out unsorted results (default sorted)
-c, --cma
use the RDMA CMA to setup the RDMA connection
-V, --version
display version number


Guy Coates < [email protected] >