2 id: basic-tracing-session-control
6 [created a tracing session](#doc-creating-destroying-tracing-sessions)
7 and [enabled one or more events](#doc-enabling-disabling-events),
8 you may activate the LTTng tracers for the current tracing session at
15 Subsequently, you may stop the tracers:
21 LTTng is very flexible: user space applications may be launched before
22 or after the tracers are started. Events are only recorded if they
23 are properly enabled and if they occur while tracers are active.
25 A tracing session name may be passed to both the `start` and `stop`
26 commands to start/stop tracing a session other than the current one.