lttng-disable-event(1)
======================
-:revdate: 3 May 2021
+:revdate: 14 June 2021
NAME
command which belong to:
With the option:--session='SESSION' option::
- The tracing session named 'SESSION'.
+ The recording session named 'SESSION'.
Without the option:--session option::
- The current tracing session (see man:lttng-concepts(7) 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).
With the option:--channel='CHANNEL' option::
The channel named 'CHANNEL'.
Without the option:--channel option::
The channel named `channel0`.
++
+If there's more than one channel for the selected recording session and
+domain, the `disable-event` command fails.
See man:lttng-concepts(7) to learn more about recording event rules.
event rules having a specific instrumentation point log level condition,
for example.
-List the recording event rules of a given tracing session
+With the option:--kernel option and no instrumentation point type
+condition option, the `disable-event` command disables one or more Linux
+kernel recording event rules regardless of their instrumentation point
+type.
+
+List the recording event rules of a given recording session
and/or channel with the man:lttng-list(1) command.
Without the option:--all-events option, the `disable-event` command
man:lttng-list(1)).
You may disable an enabled recording event rule regardless of the
-activity (started or stopped) of its tracing session (see
+activity (started or stopped) of its recording session (see
man:lttng-start(1) and man:lttng-stop(1)).
+See the ``<<examples,EXAMPLES>>'' section below for usage examples.
+
-include::common-cmd-options-head.txt[]
+include::common-lttng-cmd-options-head.txt[]
Tracing domain
'CHANNEL' instead of `channel0`.
option:-s 'SESSION', option:--session='SESSION'::
- Disable recording event rules in the tracing session named 'SESSION'
- instead of the current tracing session.
+ Disable recording event rules in the recording session named
+ 'SESSION' instead of the current recording session.
Instrumentation point type condition
With the option:--jul, option:--log4j, or option:--python option:::
Logging events.
--
-+
-As of LTTng{nbsp}{lttng_version}, this is the default instrumentation
-point type condition option, but this may change in the future.
Event name condition
condition.
-include::common-cmd-help-options.txt[]
+include::common-lttng-cmd-help-options.txt[]
+
+
+include::common-lttng-cmd-after-options.txt[]
+
+
+[[examples]]
+EXAMPLES
+--------
+.Disable all Linux kernel tracepoint recording event rules in the default channel of the current recording session.
+====
+See the option:--all-events option.
+
+[role="term"]
+----
+$ lttng disable-event --kernel --tracepoint --all-events
+----
+====
+
+.Disable specific Apache log4j recording event rules in the default channel of a specific recording session.
+====
+See the option:--session option.
+
+[role="term"]
+----
+$ lttng disable-event --session=my-session --log4j \
+ MySingleton,MyProxy,MyFacade
+----
+====
+
+.Disable all user space recording event rules in a specific channel of the current recording session.
+====
+See the option:--channel option.
+
+[role="term"]
+----
+$ lttng disable-event --channel=my-channel --userspace \
+ --all-events
+----
+====
+
+.Disable specific Linux kernel system call recording event rules in the default channel of the current recording session.
+====
+[role="term"]
+----
+$ lttng disable-event --kernel --syscall pipe2,eventfd
+----
+====
-include::common-cmd-footer.txt[]
+include::common-footer.txt[]
SEE ALSO