linux-kernel - Re: [PATCH] docs: ftrace: always use canonical ftrace path

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Message-ID: <87a6259mll.fsf@meer.lwn.net>
Date:   Thu, 26 Jan 2023 11:28:38 -0700
From:   Jonathan Corbet <corbet@....net>
To:     Ross Zwisler <zwisler@...omium.org>,
        Linux Trace Devel <linux-trace-devel@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Cc:     Ross Zwisler <zwisler@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Tom Zanussi <zanussi@...nel.org>
Subject: Re: [PATCH] docs: ftrace: always use canonical ftrace path

Ross Zwisler <zwisler@...omium.org> writes:

> The canonical location for the tracefs filesystem is at /sys/kernel/tracing.
>
> But, from Documentation/trace/ftrace.rst:
>
>   Before 4.1, all ftrace tracing control files were within the debugfs
>   file system, which is typically located at /sys/kernel/debug/tracing.
>   For backward compatibility, when mounting the debugfs file system,
>   the tracefs file system will be automatically mounted at:
>
>   /sys/kernel/debug/tracing
>
> Many parts of Documentation still reference this older debugfs path, so
> let's update them to avoid confusion.
>
> Signed-off-by: Ross Zwisler <zwisler@...gle.com>

So this seems like a good cleanup to me.  Unless somebody objects, I'll
apply it to the docs tree in the near future.

Thanks,

jon