From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vaibhav Nagarnaik <vnagarnaik@google.com>
Subject: Re: [PATCH] trace: Add tracepoints to fs subsystem
Date: Mon, 25 Apr 2011 16:52:05 -0700
Message-ID: <BANLkTimochpX5Tzvj0Yz6Lb+3-tcFuZXqQ@mail.gmail.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>
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Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Ingo Molnar <mingo@redhat.com>,
	Michael Rubin <mrubin@google.com>,
	David Sharp <dhsharp@google.com>, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	Jiaying Zhang <jiayingz@google.com>
To: Steven Rostedt <rostedt@goodmis.org>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <1303745985.18763.14.camel@gandalf.stny.rr.com>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: linux-fsdevel.vger.kernel.org

On Mon, Apr 25, 2011 at 8:39 AM, Steven Rostedt <rostedt@goodmis.org> wrote:
> On Mon, 2011-04-25 at 11:35 +0900, KOSAKI Motohiro wrote:
>> > From: Jiaying Zhang <jiayingz@google.com>
>> >
>> > 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