linux-kernel - Re: [PATCH] clocksource: Add debugfs support

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Message-ID: <CALAqxLXD78StqLMuaGqHqhSfS9L2FBfNCm6yDyWMZT_7iNX-wQ@mail.gmail.com>
Date:   Tue, 31 Mar 2020 14:50:47 -0700
From:   John Stultz <john.stultz@...aro.org>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] clocksource: Add debugfs support

On Tue, Mar 31, 2020 at 2:40 PM Thierry Reding <thierry.reding@...il.com> wrote:
>
> From: Thierry Reding <treding@...dia.com>
>
> Add a top-level "clocksource" directory to debugfs. For each clocksource
> registered with the system, a subdirectory will be added with attributes
> that can be queried to obtain information about the clocksource.
>

Curious, what's the need/planned use for this?  I know in the past
folks have tried to get timekeeping internals exported to userland so
they could create their own parallel userland timekeeping system,
which I worry is a poor idea.

thanks
-john