From 0dc915922235cd90421d291478b040f127b99105 Mon Sep 17 00:00:00 2001 From: Yanteng Si Date: Fri, 10 Dec 2021 12:15:36 +0800 Subject: [PATCH] docs/trace: fix a label of boottime-trace Commit 559789539255 ("Documentation: tracing: Add histogram syntax to boot-time tracing") 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) Signed-off-by: Yanteng Si Acked-by: Steven Rostedt (VMware) Acked-by: Masami Hiramatsu Fixes: 559789539255 ("Documentation: tracing: Add histogram syntax to boot-time tracing") Link: https://lore.kernel.org/r/20211210041536.1446734-1-siyanteng@loongson.cn Signed-off-by: Jonathan Corbet --- 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 ` +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)