| author | shruthi.rr@oracle.com <shruthi.rr@oracle.com> |
| Wed, 19 Apr 2017 22:59:18 -0700 | |
| changeset 7918 | 85d01b2eb34a |
| parent 7796 | ab76e53b3ca4 |
| permissions | -rw-r--r-- |
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'\" t |
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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 RDMA_BW(1) RDMA_LAT 1 " Oct 15, 2011" |
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.SH "NAME" |
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rdma_bw, rdma_lat - Bandwith and latency test using RDMA write 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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rdma_bw [-p, --port=<port>] [-d, --ib-dev=<dev>] |
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[-i, --ib-port=<port number.] [-s, --size=<size>] |
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[-n, --iters=<iterations>] [-t, --tx-depth=<depth>] |
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[-S, --sl=<sl>] [-b, --bidirectional] [-c, --cma] |
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[server] |
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.fi |
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.HP |
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.nf |
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rdma_lat [-p, --port=<port>] [-d, --ib-dev=<dev>] |
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[-i, --ib-port=<port number.] [-s, --size=<size>] |
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[-n, --iters=<iterations>] [-t, --tx-depth=<depth>] |
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[-S, --sl=<sl>] [--I, --inline_size=<size>] |
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[-C, --report-cycles] [-H, --report-histogram] |
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[-U, --report-unsorted] [-c, --cma] [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 rdma_bw and rdma_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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#rdma_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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#rdma_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\-s, --size <size> |
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Size of message to exchange (default 2) |
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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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.TP |
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\fB\-t, --tx-depth <depth> |
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Size of tx queue (default 50) |
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.TP |
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\fB\-S, --sl <sl> |
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SL (default 0) |
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.TP |
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\fB\-I, --inline_size <size> |
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Max size of message to be sent in inline (default 0) |
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.TP |
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\fB\-b, --bidirectional |
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Measure bidirectional bandwidth (default unidirectional) |
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.TP |
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\fB\-c, --cma |
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use RDMA CM |
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.TP |
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86 |
\fB\-C, --report-cycles |
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report times in cpu cycle units (default microseconds) |
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.TP |
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\fB\-H, --report-histogram |
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Print out all results (default print summary only) |
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.TP |
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eed3ed08f692
6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
Boris Chiu <Boris.Chiu@oracle.COM>
parents:
diff
changeset
|
92 |
\fB\-U, --report-unsorted |
|
eed3ed08f692
6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
Boris Chiu <Boris.Chiu@oracle.COM>
parents:
diff
changeset
|
93 |
(implies -H) print out unsorted results (default sorted) |
|
eed3ed08f692
6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
Boris Chiu <Boris.Chiu@oracle.COM>
parents:
diff
changeset
|
94 |
.PP |
|
eed3ed08f692
6926434 ib_read_bw, ib_read_lat: OFED utilities sometimes hang when using "-e" (event) flag
Boris Chiu <Boris.Chiu@oracle.COM>
parents:
diff
changeset
|
95 |
.SH SEE ALSO |
|
7796
ab76e53b3ca4
25036103 open-fabrics contains some man page problems
shruthi.rr@oracle.com <shruthi.rr@oracle.com>
parents:
5503
diff
changeset
|
96 |
ib_write_bw(1), ib_write_lat(1), ib_send_lat(1), ib_read_bw(1), ib_send_bw(1), ib_read_lat(1), ib_clock_test(8), ib_write_bw_postlist(1) |