| author | shruthi.rr@oracle.com <shruthi.rr@oracle.com> |
| Thu, 23 Mar 2017 22:38:35 -0700 | |
| changeset 7796 | ab76e53b3ca4 |
| parent 5503 | b8549f5dd524 |
| permissions | -rw-r--r-- |
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1 |
'\" t |
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7796
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25036103 open-fabrics contains some man page problems
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.\" Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved. |
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.\" Modified for Solaris to add the Solaris stability classification, |
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.\" and to add a note about source availability. |
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.\" |
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.TH IB_SEND_BW(1) IB_SEND_LAT 1 " Oct 15, 2011" |
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.SH "NAME" |
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ib_send_bw, ib_send_lat - Bandwith and latency test using send transactions. |
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.PP |
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.SH SYNOPSIS |
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.HP |
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.nf |
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ib_send_bw [-p, --port=<port>] [-d, --ib-dev=<dev>] |
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[-i, --ib-port=<port number.] [-c, --connection=<RC|UD>] |
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[-m, --mtu=<mtu>] [-s, --size=<size>] [-a, --all] |
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[-n, --iters=<iterations>] [-t, --tx-depth=<depth>] |
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[-u, --qp-timeout=<timeout] [-S, --sl=<sl>] |
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[-x, --gid-index=<index>] [-F, --CPU-freq] [-V, --version] |
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[-r, --rx-depth=<depth>] [-I, --inline_size=<size>] |
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[-b, --bidirectional] [-e, --events] [-N, --no peak-bw] |
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[-g, --mcg=<num>] [-M, --MGID=<multicast_gid>] [server] |
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.fi |
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.HP |
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.nf |
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ib_send_lat [-p, --port=<port>] [-d, --ib-dev=<dev>] |
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[-i, --ib-port=<port number.] [-c, --connection=<RC|UD>] |
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[-m, --mtu=<mtu>] [-s, --size=<size>] [-a, --all] |
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[-n, --iters=<iterations>] [-t, --tx-depth=<depth>] |
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[-u, --qp-timeout=<timeout] [-S, --sl=<sl>] |
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[-x, --gid-index=<index>] [-F, --CPU-freq] [-V, --version] |
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[--I, --inline_size=<size>] [-e, --events] |
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[-g, --mcg=<num>] [-M, --MGID=<multicast_gid>] |
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[-C, --report-cycles] [-H, --report-histogram] |
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[-U, --report-unsorted] [server] |
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.fi |
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.SH DESCRIPTION |
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.PP |
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.Nm |
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The ib_send_bw and ib_send_lat tests are part of the "perftest" utilities that are used for InfiniBand related performance testing. The "perftest" utilities are micro bench mark utilities. |
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.PP |
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First a passive receiving instance is started. |
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.RS 12 |
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#ib_send_bw |
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.RE |
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.PP |
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Then an active sending instance is started, giving it the address at which it will find a listening passive receiver. |
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.PP |
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.RS 12 |
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#ib_send_bw server |
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.RE |
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.PP |
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If options are used then the same options must be used for both client and server. |
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.PP |
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.SH OPTIONS |
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.PP |
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The following options are available for use on the command line: |
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.TP 7 |
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\fB\-p, --port <port> |
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Listen on/connect to port <port> (default 18515) |
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.TP |
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\fB\-d, --ib-dev <dev> |
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Use IB device <dev> (default first device found) |
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.TP |
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\fB\-i, --ib-port <port number> |
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Use port <port number> of IB device (default 1) |
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.TP |
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\fB\-c, --connection <RC|UD> |
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Connection type RC or UD (default RC) |
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.TP |
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\fB\-m, --mtu <mtu>s |
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Mtu size : 256 - 4096 (default port mtu) |
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.TP |
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\fB\-s, --size <size> |
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Size of message to exchange (default 2) |
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.TP |
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\fB\-a, --all |
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Run sizes from 2 till 2^23 |
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.TP |
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\fB\-n, --iters <iterations> |
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Number of exchanges (at least 5, default 1000) |
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87 |
.TP |
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\fB\-t, --tx-depth <depth> |
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89 |
Size of tx queue (default 50) |
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changeset
|
90 |
.TP |
|
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6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
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|
91 |
\fB\-u, --qp-timeout <timeout> |
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|
92 |
QP timeout, timeout value is 4 usec * 2 ^(timeout), default 14 |
|
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|
93 |
.TP |
|
eed3ed08f692
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|
94 |
\fB\-S, --sl <sl> |
|
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|
95 |
SL (default 0) |
|
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|
96 |
.TP |
|
eed3ed08f692
6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
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|
97 |
\fB\-x, --gid-index <index> |
|
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|
98 |
Test uses GID with GID index (Default : IB - no gid) |
|
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|
99 |
.TP |
|
eed3ed08f692
6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
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|
100 |
\fB\-F, --CPU-freq |
|
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6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
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|
101 |
Do not fail even if cpufreq_ondemand module is loaded |
|
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|
102 |
.TP |
|
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|
103 |
\fB\-V, --version |
|
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6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
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|
104 |
Display version number |
|
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|
105 |
.TP |
|
eed3ed08f692
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|
106 |
\fB\-I, --inline_size <size> |
|
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|
107 |
Max size of message to be sent in inline (default 0) |
|
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|
108 |
.TP |
|
eed3ed08f692
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|
109 |
\fB\-e, --events |
|
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|
110 |
Sleep on CQ events (default poll) |
|
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|
111 |
.TP |
|
eed3ed08f692
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|
112 |
\fB\-g, --mcg=<num_of_qps> |
|
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113 |
Send messages to multicast group with <num_of_qps> qps attached to it. |
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|
114 |
.TP |
|
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|
115 |
\fB\-M, --MGID=<multicast_gid> |
|
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116 |
In multicast, uses <multicast_gid> as the group MGID |
|
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|
117 |
.TP |
|
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|
118 |
\fB\-b, --bidirectional |
|
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119 |
Measure bidirectional bandwidth (default unidirectional) |
|
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|
120 |
.TP |
|
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|
121 |
\fB\-N, --no peak-bw |
|
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122 |
Cancel peak-bw calculation (default with peak) |
|
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|
123 |
.TP |
|
eed3ed08f692
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|
124 |
\fB\-C, --report-cycles |
|
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125 |
report times in cpu cycle units (default microseconds) |
|
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|
126 |
.TP |
|
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|
127 |
\fB\-H, --report-histogram |
|
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|
128 |
Print out all results (default print summary only) |
|
eed3ed08f692
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|
129 |
.TP |
|
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|
130 |
\fB\-U, --report-unsorted |
|
eed3ed08f692
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131 |
(implies -H) print out unsorted results (default sorted) |
|
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132 |
.PP |
|
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|
133 |
.SH SEE ALSO |
|
7796
ab76e53b3ca4
25036103 open-fabrics contains some man page problems
shruthi.rr@oracle.com <shruthi.rr@oracle.com>
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5503
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|
134 |
ib_write_bw(1), ib_write_lat(1), rdma_lat(1), ib_read_bw(1), rdma_bw(1), ib_read_lat(1), ib_send_lat(1), ib_clock_test(8), ib_write_bw_postlist(1) |