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openmpi/oshmem/tools/oshmem_info/oshmem_info.1in
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.\" Man page contributed by Dirk Eddelbuettel <edd@debian.org>
.\" and released under the BSD license
.\" Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
.TH OSHMEM_INFO 1 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
.SH NAME
oshmem_info - Display information about the Open MPI installation
.
.\" **************************
.\" Synopsis Section
.\" **************************
.SH SYNOPSIS
.B oshmem_info [options]
.
.\" **************************
.\" Description Section
.\" **************************
.SH DESCRIPTION
.PP
.B oshmem_info
provides detailed information about the Open MPI/SHMEM installation. It can
be useful for at least three common scenarios:
.PP
1. Checking local configuration and seeing how Open MPI/SHMEM was installed.
.PP
2. Submitting bug reports / help requests to the Open MPI/SHMEM community
(see
.IR http://www.open-mpi.org/community/help/ )
.PP
3. Seeing a list of installed Open MPI/SHMEM plugins and querying what
MCA parameters they support.
.
.\" **************************
.\" Options Section
.\" **************************
.SH OPTIONS
.B oshmem_info
accepts the following options:
.TP 8
.I \-a|\-\-all
Show all configuration options and MCA parameters
.TP 8
.I \-\-arch
Show architecture Open MPI/SHMEM was compiled on
.TP 8
.I \-c|\-\-config
Show configuration options
.TP 8
.I \-gmca|\-\-gmca <param> <value>
Pass global MCA parameters that are applicable to all contexts.
.TP 8
.I \-h|\-\-help
Shows help / usage message
.TP 8
.I \-\-hostname
Show the hostname that Open MPI/SHMEM was configured and built on
.TP 8
.I \-\-internal
Show internal MCA parameters (not meant to be modified by users)
.TP 8
.I \-\-level
Show only variables with at most this level (1-9). The default is 1 unless
\-\-all is specified without \-\-level in which case the default is 9. See
the LEVEL section for more information.
.TP 8
.I \-mca|\-\-mca <param> <value>
Pass context-specific MCA parameters; they are considered global if --gmca is
not used and only one context is specified.
.TP 8
.I \-\-param <type> <component>
Show MCA parameters. The first parameter is the type of the component
to display; the second parameter is the specific component to display
(or the keyword "all", meaning "display all components of this type").
.TP 8
.I \-\-parsable
When used in conjunction with other parameters, the output is
displayed in a machine-parsable format
.I \-\-parseable
Synonym for --parsable
.TP 8
.I \-\-path <type>
Show paths that Open MPI/SHMEM was configured with. Accepts the following
parameters: prefix, bindir, libdir, incdir, pkglibdir, sysconfdir.
.TP 8
.I \-\-pretty
When used in conjunction with other parameters, the output is
displayed in 'prettyprint' format (default)
.TP 8
.I \-\-selected-only
Show only variables from selected components.
.TP 8
.I \-V|\-\-version
Show version of Open MPI/SHMEM.
.
.\" **************************
.\" Levels Section
.\" **************************
.SH LEVELS
.TP 4
1
Basic information of interest to users
.
.TP
2
Detailed information of interest to users
.
.TP
3
All remaining information of interest to users
.
.TP
4
Basic information required for tuning
.
.TP
5
Detailed information required for tuning
.
.TP
6
All remaining information required for tuning
.
.TP
7
Basic information for MPI implementors
.
.TP
8
Detailed information for MPI implementors
.
.TP
9
All remaining information for MPI implementors
.
.\" **************************
.\" Examples Section
.\" **************************
.SH EXAMPLES
.TP 4
oshmem_info
Show the default output of options and listing of installed
components in a human-readable / prettyprint format.
.
.
.TP
oshmem_info --parsable
Show the default output of options and listing of installed
components in a machine-parsable format.
.
.
.TP
oshmem_info --param btl openib
Show the MCA parameters of the "openib" BTL component in a
human-readable / prettyprint format.
.
.
.TP
oshmem_info --param btl openib --parsable
Show the MCA parameters of the "openib" BTL component in a
machine-parsable format.
.
.
.TP
oshmem_info --path bindir
Show the "bindir" that Open MPI was configured with.
.
.
.TP
oshmem_info --version ompi full --parsable
Show the full version numbers of Open MPI/SHMEM (including the ORTE and OPAL
version numbers) in a machine-readable format.
.
.
.TP
oshmem_info --version btl major
Show the major version number of all BTL components in a prettyprint
format.
.
.
.TP
oshmem_info --version btl:tcp minor
Show the minor version number of the TCP BTL component in a
prettyprint format.
.
.
.TP
oshmem_info --all
Show
.I all
information about the Open MPI/SHMEM installation, including all components
that can be found, the MCA parameters that they support, versions of
Open MPI/SHMEM and the components, etc.
.
.
.\" **************************
.\" Authors Section
.\" **************************
.SH AUTHORS
The Open MPI/SHMEM maintainers -- see
.I http://www.openmpi.org/
or the file
.IR AUTHORS .
.PP
This manual page was originally contributed by Dirk Eddelbuettel
<edd@debian.org>, one of the Debian GNU/Linux maintainers for Open
MPI, and may be used by others.