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Documentation: kprobetrace: document 'trigger' file

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

Signed-off-by: Andreas Ziegler <andreas.ziegler@fau.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Andreas Ziegler
2018-07-16 13:05:58 +02:00
committed by Jonathan Corbet
parent e50891d6ef
commit 31130c8ec8
1 changed files with 4 additions and 1 deletions
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5
Documentation/trace/kprobetrace.rst
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@@ -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 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 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', under tracing/events/kprobes/<EVENT>, at the directory you can see 'id',
'enable', 'format' and 'filter'. 'enable', 'format', 'filter' and 'trigger'.
enable: enable:
You can enable/disable the probe by writing 1 or 0 on it. You can enable/disable the probe by writing 1 or 0 on it.
@@ -95,6 +95,9 @@ filter:
id: id:
This shows the id of this probe event. 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 Event Profiling
--------------- ---------------