linux-kernel - Re: [REPOST PATCH] ftrace: Remove the unused variant ftrace_update

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Message-ID: <20150915130150.2e5ba2fa@gandalf.local.home>
Date:	Tue, 15 Sep 2015 13:01:50 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Minfei Huang <mnfhuang@...il.com>
Cc:	Minfei Huang <mhuang@...hat.com>, mingo@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [REPOST PATCH] ftrace: Remove the unused variant
 ftrace_update_time

On Wed, 16 Sep 2015 00:32:02 +0800
Minfei Huang <mnfhuang@...il.com> wrote:
 
> There is one more confusion. Is it valuable to export such info to
> userspace? What does user do, if kernel exports this?

Nothing. The dyn_ftrace_total_info is purely for debugging ftrace. It's
something I use.

-- Steve
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