linux-kernel - Re: [PATCH v2] doc: clarify that trace_events= takes a comma-separated list

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Message-ID: <20160523165451.0069d2b0@gandalf.local.home>
Date:	Mon, 23 May 2016 16:54:51 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Brian Norris <computersforpeace@...il.com>
Cc:	<linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	Jonathan Corbet <corbet@....net>,
	Li Zefan <lizf@...fujitsu.com>
Subject: Re: [PATCH v2] doc: clarify that trace_events= takes a
 comma-separated list

On Mon, 23 May 2016 13:37:58 -0700
Brian Norris <computersforpeace@...il.com> wrote:

> It took me browsing through the source code to determine that I was,
> indeed, using the wrong delimiter in my command lines. So I might as
> well document it for the next person.
> 

This version looks good to me. Jonathan, you want to take this patch?

Acked-by: Steven Rostedt <rostedt@...dmis.org>

-- Steve

> Signed-off-by: Brian Norris <computersforpeace@...il.com>
> ---
> v2: remove language about /sys/kernel/debug/tracing/set_event, to avoid
>     implying it also takes a comma separated list
> 
>  Documentation/kernel-parameters.txt | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 82b42c958d1c..a2a662d4da83 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -3992,8 +3992,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
>  
>  	trace_event=[event-list]
>  			[FTRACE] Set and start specified trace events in order
> -			to facilitate early boot debugging.
> -			See also Documentation/trace/events.txt
> +			to facilitate early boot debugging. The event-list is a
> +			comma separated list of trace events to enable. See
> +			also Documentation/trace/events.txt
>  
>  	trace_options=[option-list]
>  			[FTRACE] Enable or disable tracer options at boot.