man/ibv_xsrq_pingpong.1

.TH IBV_XSRQ_PINGPONG 1 "May 24, 2016" "libibverbs" "USER COMMANDS"

.SH NAME
ibv_xsrq_pingpong \- simple InfiniBand shared receive queue test

.SH SYNOPSIS
.B ibv_xsrq_pingpong
[\-p port] [\-d device] [\-i ib port] [\-s size] [\-m mtu] [\-c clients]
[\-n num_tests] [\-l sl] [\-e] \fBHOSTNAME\fR

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

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

.SH OPTIONS

.PP
.TP
\fB\-p\fR, \fB\-\-port\fR=\fIPORT\fR
use TCP port \fIPORT\fR for initial synchronization (default 18515)
.TP
\fB\-d\fR, \fB\-\-ib\-dev\fR=\fIDEVICE\fR
use IB device \fIDEVICE\fR (default first device found)
.TP
\fB\-i\fR, \fB\-\-ib\-port\fR=\fIPORT\fR
use IB port \fIPORT\fR (default port 1)
.TP
\fB\-s\fR, \fB\-\-size\fR=\fISIZE\fR
ping-pong messages of size \fISIZE\fR (default 4096)
.TP
\fB\-m\fR, \fB\-\-mtu\fR=\fIMTU\fR
use path mtu of size \fIMTU\fR (default 2048)
.TP
\fB\-c\fR, \fB\-\-clients\fR=\fICLIENTS\fR
number of clients \fICLIENTS\fR (on server only, default 1)
.TP
\fB\-n\fR, \fB\-\-num\-tests\fR=\fINUM_TESTS\fR
perform \fINUM_TESTS\fR tests per client (default 5)
.TP
\fB\-l\fR, \fB\-\-sl\fR=\fISL\fR
use \fISL\fR as the service level value (default 0)
.TP
\fB\-e\fR, \fB\-\-events\fR
sleep while waiting for work completion events (default is to poll for
completions)

.SH SEE ALSO
.BR ibv_rc_pingpong (1),
.BR ibv_uc_pingpong (1),
.BR ibv_ud_pingpong (1)
.BR ibv_srq_pingpong (1)

.SH AUTHORS
.TP
Roland Dreier
.RI < roland@purestorage.com >
.TP
Jarod Wilson
.RI < jarod@redhat.com >

.SH 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.