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Date:	Sun, 30 Mar 2014 15:40:57 +0800
From:	Jovi Zhangwei <jovi.zhangwei@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH v2 13/29] ktap: add ring buffer handling code(kernel/trace/ktap/kp_transport.[c|h])

On Sun, Mar 30, 2014 at 11:58 AM, Andi Kleen <andi@...stfloor.org> wrote:
>>
>> A lot of code in this file is duplicated with kernel trace_output.c.
>
> Please modify trace_output instead to avoid this.
>
Yeah, ktap transport functionality is based on ftrace ring buffer,
and reading buffer is through trace pipe.

I will try to figure out some way to reuse ftrace trace pipe reading
code as much as possible.

Thanks.

Jovi
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