From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with ESMTP id 768418D003B for ; Mon, 25 Apr 2011 19:52:47 -0400 (EDT) Received: from wpaz37.hot.corp.google.com (wpaz37.hot.corp.google.com [172.24.198.101]) by smtp-out.google.com with ESMTP id p3PNqd9Y019148 for ; Mon, 25 Apr 2011 16:52:40 -0700 Received: from ewy24 (ewy24.prod.google.com [10.241.103.24]) by wpaz37.hot.corp.google.com with ESMTP id p3PNqZ4I027299 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Mon, 25 Apr 2011 16:52:38 -0700 Received: by ewy24 with SMTP id 24so34368ewy.32 for ; Mon, 25 Apr 2011 16:52:35 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1303745985.18763.14.camel@gandalf.stny.rr.com> References: <1303513209-26436-1-git-send-email-vnagarnaik@google.com> <20110425113723.2666.A69D9226@jp.fujitsu.com> <1303745985.18763.14.camel@gandalf.stny.rr.com> From: Vaibhav Nagarnaik Date: Mon, 25 Apr 2011 16:52:05 -0700 Message-ID: Subject: Re: [PATCH] trace: Add tracepoints to fs subsystem Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Steven Rostedt Cc: KOSAKI Motohiro , Alexander Viro , Ingo Molnar , Michael Rubin , David Sharp , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Jiaying Zhang On Mon, Apr 25, 2011 at 8:39 AM, Steven Rostedt wrote: > On Mon, 2011-04-25 at 11:35 +0900, KOSAKI Motohiro wrote: >> > From: Jiaying Zhang >> > >> > Many fs tracepoints can now be traced via ftrace, however there are a >> > few other tracepoints needed. This patch adds entry and exit tracepoints >> > for a few additional functions, viz.: >> > wait_on_buffer >> > block_write_full_page >> > mpage_readpages >> > file_read >> >> Zero background description? >> > > Good point. > > Could you please describe how this is useful, and how one can benefit > from these tracepoints. > I am sending a new patch with a better description and using the template for declaring events. > -- Steve > > > > Thanks Vaibhav Nagarnaik -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org