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From: Vaibhav Nagarnaik <vnagarnaik@google.com>
Date: Mon, 25 Apr 2011 16:52:05 -0700
Message-ID: <BANLkTimochpX5Tzvj0Yz6Lb+3-tcFuZXqQ@mail.gmail.com>
Subject: Re: [PATCH] trace: Add tracepoints to fs subsystem
To: Steven Rostedt <rostedt@goodmis.org>
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>
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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
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