linux-kernel - [PATCH 2/2] Documentation: kprobetrace: document 'trigger' file

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Date:   Mon, 16 Jul 2018 13:05:58 +0200
From:   Andreas Ziegler <andreas.ziegler@....de>
To:     Jonathan Corbet <corbet@....net>
Cc:     Changbin Du <changbin.du@...el.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andreas Ziegler <andreas.ziegler@....de>
Subject: [PATCH 2/2] Documentation: kprobetrace: document 'trigger' file

As the other files are documented explicitly, let's add a
short description for 'trigger' as well.

Signed-off-by: Andreas Ziegler <andreas.ziegler@....de>
---
 Documentation/trace/kprobetrace.rst | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/trace/kprobetrace.rst b/Documentation/trace/kprobetrace.rst
index c4aaef7d..8bfc75c 100644
--- a/Documentation/trace/kprobetrace.rst
+++ b/Documentation/trace/kprobetrace.rst
@@ -81,7 +81,7 @@ Per-probe event filtering feature allows you to set different filter on each
 probe and gives you what arguments will be shown in trace buffer. If an event
 name is specified right after 'p:' or 'r:' in kprobe_events, it adds an event
 under tracing/events/kprobes/<EVENT>, at the directory you can see 'id',
-'enable', 'format' and 'filter'.
+'enable', 'format', 'filter' and 'trigger'.
 
 enable:
   You can enable/disable the probe by writing 1 or 0 on it.
@@ -95,6 +95,9 @@ filter:
 id:
   This shows the id of this probe event.
 
+trigger:
+  This allows to install trigger commands which are executed when the event is
+  hit (for details, see Documentation/trace/events.rst, section 6).
 
 Event Profiling
 ---------------
-- 
2.7.4