linux-kernel - Re: [PATCH 5/6] Documentation: tracing: Add %return suffix description

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Date:   Tue, 1 Sep 2020 07:27:45 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH 5/6] Documentation: tracing: Add %return suffix
 description

On Mon, 31 Aug 2020 11:50:20 -0700
Randy Dunlap <rdunlap@...radead.org> wrote:

> On 8/31/20 5:46 AM, Masami Hiramatsu wrote:
> > Add a description of the %return suffix option for kprobe tracer.
> > 
> > Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
> > ---
> >  Documentation/trace/kprobetrace.rst |    2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/Documentation/trace/kprobetrace.rst b/Documentation/trace/kprobetrace.rst
> > index c1709165c553..d29d1f9e6721 100644
> > --- a/Documentation/trace/kprobetrace.rst
> > +++ b/Documentation/trace/kprobetrace.rst
> 
> Check spacing:
> 
> > @@ -37,6 +38,7 @@ Synopsis of kprobe_events
> >  		  based on SYM+offs or MEMADDR.
> >   MOD		: Module name which has given SYM.
> >   SYM[+offs]	: Symbol+offset where the probe is inserted.
> > + SYM%return     : Return address of the symbol
> >   MEMADDR	: Address where the probe is inserted.
> >   MAXACTIVE	: Maximum number of instances of the specified function that
> >  		  can be probed simultaneously, or 0 for the default value
> 
> If I remove the '+', the ':' lines up but the SYM does not line up.
> Am I missing something?
> 
> @@ -37,6 +38,7 @@ Synopsis of kprobe_events
>  		  based on SYM+offs or MEMADDR.
>   MOD		: Module name which has given SYM.
>   SYM[+offs]	: Symbol+offset where the probe is inserted.
>  SYM%return     : Return address of the symbol
>   MEMADDR	: Address where the probe is inserted.
>   MAXACTIVE	: Maximum number of instances of the specified function that
>  		  can be probed simultaneously, or 0 for the default value
> 

Oops, that's my typo.

Thank you!

-- 
Masami Hiramatsu <mhiramat@...nel.org>