linux-kernel - Re: [RFC][PATCH] ACPI: tracing: Have ACPI debug go to tracing ring buffer

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Message-ID: <20230104163913.7b13cd68@gandalf.local.home>
Date:   Wed, 4 Jan 2023 16:39:13 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Joel Fernandes <joel@...lfernandes.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Trace Kernel <linux-trace-kernel@...r.kernel.org>,
        linux-acpi@...r.kernel.org, Len Brown <lenb@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Brian Norris <briannorris@...omium.org>,
        Ross Zwisler <zwisler@...gle.com>,
        Ching-lin Yu <chinglinyu@...gle.com>
Subject: Re: [RFC][PATCH] ACPI: tracing: Have ACPI debug go to tracing ring
 buffer

On Fri, 30 Dec 2022 16:52:36 +0100
"Rafael J. Wysocki" <rafael@...nel.org> wrote:

> Personally, I would use a command line option to control the behavior
> and the Kconfig option to provide its default value.
> 

I can add that.

> This way it can be flipped without rebuilding the kernel if need be.
> 
> I would also make the ACPI debug output go into the trace buffer so
> long as the Kconfig option is not changed or the command line option
> is not flipped.

Not sure what you mean by the above? You mean to make going to both as the
default?

-- Steve