linux-kernel - Re: [PATCH v2] ftrace: Access ret_stack->subtime only in the function profiler

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Date:   Thu, 1 Sep 2016 12:20:17 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [PATCH v2] ftrace: Access ret_stack->subtime only in the
 function profiler

On Wed, 31 Aug 2016 11:55:29 +0900
Namhyung Kim <namhyung@...nel.org> wrote:

> The subtime is used only for function profiler with function graph
> tracer enabled.  Move the definition of subtime under
> CONFIG_FUNCTION_PROFILER to reduce the memory usage.  Also move the
> initialization of subtime into the graph entry callback.
> 
> Cc: Josh Poimboeuf <jpoimboe@...hat.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

Applied, thanks Namhyung!

-- Steve