lttng-{enable-event(1),event-rule(7)}: `--filter` is not always avail.

[lttng-tools.git] / doc / man / lttng-enable-event.1.txt

diff --git a/doc/man/lttng-enable-event.1.txt b/doc/man/lttng-enable-event.1.txt
index 526266fe145cf2ee46db1fe94ca7a01388e6b748..eab060cad5d7601f1c5e4581ee60f5775f845285 100644 (file)
--- a/doc/man/lttng-enable-event.1.txt
+++ b/doc/man/lttng-enable-event.1.txt
@@ -1,6 +1,6 @@
 lttng-enable-event(1)
 =====================
-:revdate: 3 May 2021
+:revdate: 12 May 2021
 
 
 NAME
@@ -24,7 +24,7 @@ created from a dynamic instrumentation point:
 [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:
@@ -395,6 +395,10 @@ An event{nbsp}__E__ satisfies the event payload and context filter
 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.
 
@@ -843,6 +847,9 @@ section above.
 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[]