lttng-disable-channel(1)
========================
:revdate: 29 April 2021

NAME
----
lttng-disable-channel - Disable LTTng channels


SYNOPSIS
--------
[verse]
*lttng* ['linkgenoptions:(GENERAL OPTIONS)'] *disable-channel* (option:--kernel | option:--userspace)
      [option:--session='SESSION'] 'CHANNEL'[,'CHANNEL']...


DESCRIPTION
-----------
The `lttng disable-channel` command disables one or more channels
previously enabled with the man:lttng-enable-channel(1) command
which belong to:

With the option:--session='SESSION' option::
    The tracing 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).

See man:lttng-concepts(7) to learn more about channels.

The `disable-channel` command disables one channel per 'CHANNEL'
argument.

As of LTTng{nbsp}{lttng_version}, you may :not: enable a disabled
channel once its tracing session has ben started (see
man:lttng-start(1)) at least once.


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


Tracing domain
~~~~~~~~~~~~~~
One of:

option:-k, option:--kernel::
    Disable one or more Linux kernel channels.

option:-u, option:--userspace::
    Disable one or more user space channels.


Recording target
~~~~~~~~~~~~~~~~
option:-s 'SESSION', option:--session='SESSION'::
    Disable one or more channels of the tracing session named 'SESSION'
    instead of the current tracing session.


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


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


SEE ALSO
--------
man:lttng(1),
man:lttng-concepts(7),
man:lttng-enable-channel(1)