linux-kernel - Re: [v2 PATCH 2/2] tracing: Add show_event_triggers to expose active event triggers

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Message-ID: <b08ad926-8582-4a43-ba17-3a987b7a0ca6@infradead.org>
Date: Tue, 6 Jan 2026 08:08:17 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Aaron Tomlin <atomlin@...mlin.com>, mhiramat@...nel.org,
 mark.rutland@....com, mathieu.desnoyers@...icios.com, corbet@....net,
 neelx@...e.com, sean@...e.io, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [v2 PATCH 2/2] tracing: Add show_event_triggers to expose active
 event triggers



On 1/6/26 7:17 AM, Steven Rostedt wrote:
> On Mon, 5 Jan 2026 22:10:39 -0800
> Randy Dunlap <rdunlap@...radead.org> wrote:
> 
>> Hi,
>>
>> On 1/5/26 6:29 AM, Aaron Tomlin wrote:
>>> diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst
>>> index 4ce01e726b09..b9efb148a5c2 100644
>>> --- a/Documentation/trace/ftrace.rst
>>> +++ b/Documentation/trace/ftrace.rst
>>> @@ -692,6 +692,14 @@ of ftrace. Here is a list of some of the key files:
>>>  
>>>  	See events.rst for more information.
>>>  
>>> +  show_event_triggers:
>>> +
>>> +	A list of events that have triggers. This shows the
>>> +	system/event pair along with the trigger that is attached to
>>> +	the event.
>>> +
>>> +	See events.rst for more information.
>>> +  
>>
>> Isn't this the same chunk that was in patch 1/2?
> 
> No, patch 1/2 has:
> 
> @@ -684,6 +684,14 @@ of ftrace. Here is a list of some of the key files:
>  
>  	See events.rst for more information.
>  
> +  show_event_filters:
> +
> +	A list of events that have filters. This shows the
> +	system/event pair along with the filter that is attached to
> +	the event.
> +
> +	See events.rst for more information.
> +
>    available_events:
> 
> 
> It is simply a s/filter/trigger/g difference though.

Ack. Thanks.

-- 
~Randy