lttng-start(1)
==============
-:revdate: 21 April 2021
+:revdate: 14 June 2021
NAME
----
-lttng-start - Start an LTTng tracing session
+lttng-start - Start an LTTng recording session
SYNOPSIS
--------
[verse]
-*lttng* ['linkgenoptions:(GENERAL OPTIONS)'] *start* ['SESSION']
+*lttng* ['linkgenoptions:(GENERAL OPTIONS)'] *start* [option::--all | option::--glob 'SESSION' | 'SESSION' ]
DESCRIPTION
-----------
-The `lttng start` command starts a tracing session, that is, it
+The `lttng start` command starts a recording session, that is, it
activates the LTTng tracers for:
With the 'SESSION' argument::
- The tracing session named 'SESSION'.
+ The recording session named 'SESSION'.
Without the 'SESSION' argument::
- The current tracing session (see man:lttng-create(1) and
- man:lttng-set-session(1) to learn more about the current tracing
- session).
+ The current recording session (see man:lttng-concepts(7) to learn
+ more about the current recording session).
-The selected tracing session must be inactive (stopped). A tracing
-session is inactive on creation (see man:lttng-create(1)).
+See man:lttng-concepts(7) to learn more about recording sessions.
-An active tracing session is an implicit recording event rule condition
-(see man:lttng-enable-event(1)). In other words, a recording event rule
-cannot match an event when its tracing session is inactive.
+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 tracing session
+A `start-session` trigger action can also start a recording session
(see man:lttng-add-trigger(1)).
-Stop an active tracing session with the man:lttng-stop(1) command.
+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[]
+
+option:-a, option:--all::
+ Start all sessions.
+
+option:-g, option:--glob::
+ Interpret SESSION as a globbing pattern.
+
+include::common-lttng-cmd-after-options.txt[]
+
+[[examples]]
+EXAMPLES
+--------
+.Start the current recording session.
+====
+[role="term"]
+----
+$ lttng start
+----
+====
-include::common-cmd-options-head.txt[]
+.Start a specific recording session.
+====
+[role="term"]
+----
+$ lttng start my-session
+----
+====
+.Start all sessions.
+====
+See the option::--all option.
-include::common-cmd-help-options.txt[]
+[role="term"]
+----
+$ lttng start --all
+----
+====
+
+.Start all sessions with the suffix foo.
+====
+See the option::--glob option.
+
+[role="term"]
+----
+$ lttng start --glob '*foo'
+----
+====
-include::common-cmd-footer.txt[]
+include::common-footer.txt[]
SEE ALSO
man:lttng-add-trigger(1),
man:lttng-create(1),
man:lttng-enable-event(1),
-man:lttng-stop(1)
+man:lttng-stop(1),
+man:lttng-concepts(7)