From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755959Ab2IQLd1 (ORCPT ); Mon, 17 Sep 2012 07:33:27 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:46913 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755786Ab2IQLd0 (ORCPT ); Mon, 17 Sep 2012 07:33:26 -0400 Date: Mon, 17 Sep 2012 19:33:49 +0800 From: "Jianpeng Ma" To: rostedt Cc: fweisbec , mingo , linux-kernel Subject: Why blktrace didn't trace requests merge? X-Priority: 3 X-Has-Attach: no X-Mailer: Foxmail 7.0.1.91[en] Mime-Version: 1.0 Message-ID: <201209171933464847623@gmail.com> Content-Type: text/plain; charset="gb2312" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id q8HBXUU1019841 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? Thanks! Jianpeng{.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I