On Fri, 10 Dec 2021 12:15:36 +0800
Yanteng Si <siyanteng01@xxxxxxxxx> wrote:
> Since 559789539255 ("Documentation: tracing: Add histogram syntax to boot-time tracing") which
> introduced a warning:
>
> linux/Documentation/trace/boottime-trace.rst:136: WARNING: undefined label: histogram (if the link has no caption the label must precede a section header)
>
> Replace with: (path)
>
Looks good to me.
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Fixes: 559789539255 ("Documentation: tracing: Add histogram syntax to boot-time tracing")
Thank you,
> Signed-off-by: Yanteng Si <siyanteng@xxxxxxxxxxx>
> ---
> Documentation/trace/boottime-trace.rst | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/Documentation/trace/boottime-trace.rst b/Documentation/trace/boottime-trace.rst
> index 6dcfbc64014d..d594597201fd 100644
> --- a/Documentation/trace/boottime-trace.rst
> +++ b/Documentation/trace/boottime-trace.rst
> @@ -131,9 +131,7 @@ Ftrace Histogram Options
> Since it is too long to write a histogram action as a string for per-event
> action option, there are tree-style options under per-event 'hist' subkey
> for the histogram actions. For the detail of the each parameter,
> -please read the event histogram document [3]_.
> -
> -.. [3] See :ref:`Documentation/trace/histogram.rst <histogram>`
> +please read the event histogram document (Documentation/trace/histogram.rst)
>
> ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]keys = KEY1[, KEY2[...]]
> Set histogram key parameters. (Mandatory)
> --
> 2.27.0
>
--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>
