ibv_xsrq_pingpong man page

ibv_xsrq_pingpong — simple InfiniBand shared receive queue test

Synopsis

ibv_xsrq_pingpong [-p port] [-d device] [-i ib port] [-s size] [-m mtu] [-c clients] [-n num_tests] [-l sl] [-e] HOSTNAME

ibv_xsrq_pingpong [-p port] [-d device] [-i ib port] [-s size] [-m mtu] [-c clients] [-n num_tests] [-l sl] [-e]

Description

Run a simple ping-pong test over InfiniBand via the extended reliable connected (XRC) transport service, using a shared receive queue (SRQ).

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)
-m, --mtu=MTU
use path mtu of size MTU (default 2048)
-c, --clients=CLIENTS
number of clients CLIENTS (on server only, default 1)
-n, --num-tests=NUM_TESTS
perform NUM_TESTS tests per client (default 5)
-l, --sl=SL
use SL as the service level value (default 0)
-e, --events
sleep while waiting for work completion events (default is to poll for completions)

See Also

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

Authors

Roland Dreier
<roland@purestorage.com>
Jarod Wilson
<jarod@redhat.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.

Info

May 24, 2016 libibverbs USER COMMANDS