= babeltrace2-help(1)
:manpagetype: command
:revdate: 14 September 2019


== NAME

babeltrace2-help - Get help for a Babeltrace 2 plugin or component class


== SYNOPSIS

Get help for a Babeltrace~2 plugin:

[verse]
*babeltrace2* [<<gen-opts,'GENERAL OPTIONS'>>] *help* 'PLUGIN-NAME'

Get help for a Babeltrace~2 component class:

[verse]
*babeltrace2* [<<gen-opts,'GENERAL OPTIONS'>>] *help*
            'COMP-CLS-TYPE'.'PLUGIN-NAME'.'COMP-CLS-NAME'


== DESCRIPTION

The `help` command prints the details and help text of either the
Babeltrace~2 plugin named 'PLUGIN-NAME' or the specific component
class of type 'COMP-CLS-TYPE' named 'COMP-CLS-NAME' found in the plugin
named 'PLUGIN-NAME'.

include::common-see-babeltrace2-intro.txt[]

The available values for 'COMP-CLS-TYPE' are:

`source`::
`src`::
    Source component class.

`filter`::
`flt`::
    Filter component class.

`sink`::
    Sink component class.

See <<examples,``EXAMPLES''>> for usage examples.


== OPTIONS

include::common-gen-options.txt[]

include::common-cmd-info-options.txt[]


[[examples]]
== EXAMPLES

.Get help for a plugin and all its component classes.
====
[role="term"]
----
$ babeltrace2 help ctf
----
====

.Get help for a specific plugin's source component class.
====
[role="term"]
----
$ babeltrace2 help source.ctf.fs
----
====

.Get help for a specific plugin's sink component class.
====
[role="term"]
----
$ babeltrace2 help sink.text.pretty
----
====


include::common-cli-env.txt[]


include::common-cli-files.txt[]


include::common-cmd-footer.txt[]


== SEE ALSO

man:babeltrace2-intro(7),
man:babeltrace2(1),
man:babeltrace2-list-plugins(1)
