linux-kernel - Re: Why blktrace didn't trace requests merge?

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Message-ID: <20120917175534.GG18677@google.com>
Date:	Mon, 17 Sep 2012 10:55:34 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Jianpeng Ma <majianpeng@...il.com>, fweisbec <fweisbec@...il.com>,
	mingo <mingo@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Li Zefan <lizf@...fujitsu.com>, Tao Ma <boyu.mt@...bao.com>,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: Why blktrace didn't trace requests merge?

(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
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