lttng-disable-channel(1) ======================== :revdate: 14 June 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 recording session named 'SESSION'. Without the option:--session option:: 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 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 recording session has been started (see man:lttng-start(1)) at least once. See the ``<>'' section below for usage examples. include::common-lttng-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 recording session named 'SESSION' instead of the current recording session. include::common-lttng-cmd-help-options.txt[] include::common-lttng-cmd-after-options.txt[] [[examples]] EXAMPLES -------- .Disable one Linux kernel channel of the current recording session. ==== [role="term"] ---- $ lttng disable-channel --kernel my-channel ---- ==== .Disable two user space channels of a specific recording session. ==== See the option:--session option. [role="term"] ---- $ lttng disable-channel --kernel --session=my-session \ little,box ---- ==== include::common-footer.txt[] SEE ALSO -------- man:lttng(1), man:lttng-enable-channel(1), man:lttng-concepts(7)