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

From: Randy Dunlap
Date: Mon Aug 31 2020 - 14:50:30 EST


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@xxxxxxxxxx>
> ---
> 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


thanks.
--
~Randy