linux-kernel - [PATCH 1/2] docs: tracing: Add stacktrace filter command

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Message-Id: <153441304709.6024.553337906391633027.stgit@devbox>
Date:   Thu, 16 Aug 2018 18:50:47 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        linux-doc@...r.kernel.org
Subject: [PATCH 1/2] docs: tracing: Add stacktrace filter command

Add a description of stacktrace filter command.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
---
 Documentation/trace/ftrace.rst |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst
index a20d34955333..81378a8b631e 100644
--- a/Documentation/trace/ftrace.rst
+++ b/Documentation/trace/ftrace.rst
@@ -2987,6 +2987,9 @@ The following commands are supported:
   command, it only prints out the contents of the ring buffer for the
   CPU that executed the function that triggered the dump.
 
+- stacktrace:
+  When the function is hit, a stack trace is recorded.
+
 trace_pipe
 ----------