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Date: Wed, 6 Oct 2010 18:23:11 +0800
From: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>
To: Artur Baruchi <mail.baruchi@gmail.com>
Cc: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>,
        linux-kernel@vger.kernel.org
Subject: Re: Information From Buffers
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On Mon, Oct 04, 2010 at 08:04:24AM -0300, Artur Baruchi wrote:
>Hi Wang.
>
>Thanks for your reply.
>
>No, inside /proc/meminfo there are just high level information (macro)
>about what is going on inside the memory. I need do get more details
>about page cache, things like, what files are being buffered, how much
>files are being buffered, size of this files, etc. This information
>can be reach using buffer_head linked list, but I dont know how to
>walk through this list.
>


I see, seems we can't get this kind of informantion from /proc.

Oracle has a tool for this, check:

http://oss.oracle.com/projects/codefragments/dist/files/pagecache-info/pagecache-info

Hope it can help.

Thanks.