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Date: Mon, 17 Sep 2012 10:55:34 -0700
From: Tejun Heo <tj@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Jianpeng Ma <majianpeng@gmail.com>, fweisbec <fweisbec@gmail.com>,
        mingo <mingo@redhat.com>, linux-kernel <linux-kernel@vger.kernel.org>,
        Li Zefan <lizf@cn.fujitsu.com>, Tao Ma <boyu.mt@taobao.com>,
        Jens Axboe <axboe@kernel.dk>
Subject: Re: Why blktrace didn't trace requests merge?
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(cc'ing Jens)

On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote:
> On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote:
> > Hi all:
> > 	I used blktrace to trace some io.But i can't find requests merge. I searched the code and did't not find.
> > 	Why? 
> > 									
> 
> No idea. I don't use blktrace much, but I Cc'd those that understand it
> better than I.

-- 
tejun