ibv_uc_pingpong man page

ibv_uc_pingpong — simple InfiniBand UC transport test

Synopsis

ibv_uc_pingpong [-p port] [-d device] [-i ib port] [-s size] [-r rx depth] [-n iters] [-l sl] [-e] HOSTNAME

ibv_uc_pingpong [-p port] [-d device] [-i ib port] [-s size] [-r rx depth] [-n iters] [-l sl] [-e]

Description

Run a simple ping-pong test over InfiniBand via the reliable connected (RC) transport.

Options

-p, --port=PORT
use TCP port PORT for initial synchronization (default 18515)
-d, --ib-dev=DEVICE
use IB device DEVICE (default first device found)
-i, --ib-port=PORT
use IB port PORT (default port 1)
-s, --size=SIZE
ping-pong messages of size SIZE (default 4096)
-r, --rx-depth=DEPTH
post DEPTH receives at a time (default 1000)
-n, --iters=ITERS
perform ITERS message exchanges (default 1000)
-l, --sl=SL
use SL as the service level value of the QP (default 0)
-e, --events
sleep while waiting for work completion events (default is to poll for completions)

See Also

ibv_rc_pingpong(1), ibv_ud_pingpong(1), ibv_srq_pingpong(1)

Authors

Roland Dreier
<rolandd@cisco.com>

Bugs

The network synchronization between client and server instances is weak, and does not prevent incompatible options from being used on the two instances. The method used for retrieving work completions is not strictly correct, and race conditions may cause failures on some systems.

Referenced By

ibv_rc_pingpong(1), ibv_srq_pingpong(1), ibv_ud_pingpong(1), ibv_xsrq_pingpong(1).

August 30, 2005 libibverbs USER COMMANDS