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lttng-start(1)
==============
:revdate: 14 June 2021
NAME
----
lttng-start - Start an LTTng recording session
SYNOPSIS
--------
[verse]
*lttng* ['linkgenoptions:(GENERAL OPTIONS)'] *start* ['SESSION']
DESCRIPTION
-----------
The `lttng start` command starts a recording session, that is, it
activates the LTTng tracers for:
With the 'SESSION' argument::
The recording session named 'SESSION'.
Without the 'SESSION' argument::
The current recording session (see man:lttng-concepts(7) to learn
more about the current recording session).
See man:lttng-concepts(7) to learn more about recording sessions.
The selected recording session must be inactive (stopped). A recording
session is inactive on creation (see man:lttng-create(1)).
A `start-session` trigger action can also start a recording session
(see man:lttng-add-trigger(1)).
See the ``<<examples,EXAMPLES>>'' section below for usage examples.
Stop an active recording session with the man:lttng-stop(1) command.
include::common-lttng-cmd-options-head.txt[]
include::common-lttng-cmd-help-options.txt[]
include::common-lttng-cmd-after-options.txt[]
[[examples]]
EXAMPLES
--------
.Start the current recording session.
====
[role="term"]
----
$ lttng start
----
====
.Start a specific recording session.
====
[role="term"]
----
$ lttng start my-session
----
====
include::common-footer.txt[]
SEE ALSO
--------
man:lttng(1),
man:lttng-add-trigger(1),
man:lttng-create(1),
man:lttng-enable-event(1),
man:lttng-stop(1),
man:lttng-concepts(7)
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