Hi,
On Thu, 9 Dec 2021 17:11:33 +0800, Yanteng Si 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:
> :xxx: path
>
> Signed-off-by: Yanteng Si <siyanteng@xxxxxxxxxxx>
> ---
> Documentation/trace/boottime-trace.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/trace/boottime-trace.rst b/Documentation/trace/boottime-trace.rst
> index 6dcfbc64014d..efb75ec5bf48 100644
> --- a/Documentation/trace/boottime-trace.rst
> +++ b/Documentation/trace/boottime-trace.rst
> @@ -133,7 +133,7 @@ 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>`
> +.. [3] See :histogram: Documentation/trace/histogram.rst
This does not look like a right change.
Where did that ":histogram:" come from?
Thanks, Akira
>
> ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]keys = KEY1[, KEY2[...]]
> Set histogram key parameters. (Mandatory)
> --
> 2.27.0
