lttng-enable-event(1)
=====================
-:revdate: 3 May 2021
+:revdate: 12 May 2021
NAME
[verse]
*lttng* ['linkgenoptions:(GENERAL OPTIONS)'] *enable-event* option:--kernel
(option:--probe='LOC' | option:--function='LOC' | option:--userspace-probe='LOC') 'RECORDNAME'
- [option:--filter='EXPR'] [option:--session='SESSION'] [option:--channel='CHANNEL']
+ [option:--session='SESSION'] [option:--channel='CHANNEL']
Create or enable one or more recording event rules to match
user space tracepoint events:
condition of a recording event rule if the option:--filter='EXPR'
option is missing or if 'EXPR' is _true_.
+This condition is only meaningful for the LTTng tracepoint and Linux
+system call instrumentation point types: it's always satisfied for other
+types.
+
'EXPR' can contain references to the payload fields of{nbsp}__E__ and
to the current context fields.
must be the exact same string as the one you used on creation.
-include::common-cmd-options-head.txt[]
+include::common-lttng-cmd-options-head.txt[]
Tracing domain
option:-f 'EXPR', option:--filter='EXPR'::
Only match events of which 'EXPR', which can contain references to
event payload and current context fields, is _true_.
++
+This option is only available with the option:--tracepoint or
+option:--syscall option.
+
+
+include::common-lttng-cmd-help-options.txt[]
-include::common-cmd-help-options.txt[]
+include::common-lttng-cmd-after-options.txt[]
-include::common-cmd-footer.txt[]
+include::common-footer.txt[]
SEE ALSO
--------
man:lttng(1),
-man:lttng-concepts(7),
man:lttng-disable-event(1),
man:lttng-enable-channel(1),
man:lttng-list(1),
man:lttng-start(1),
-man:lttng-track(1)
+man:lttng-track(1),
+man:lttng-concepts(7)