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Date:	Sun, 30 Mar 2014 15:40:57 +0800
From:	Jovi Zhangwei <>
To:	Andi Kleen <>
Cc:	Ingo Molnar <>,
	Steven Rostedt <>,
	LKML <>,
	Masami Hiramatsu <>,
	Greg Kroah-Hartman <>,
	Frederic Weisbecker <>
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 <> 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.


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