From: Wu Fengguang <fengguang.wu@intel.com>
To: Markus <M4rkusXXL@web.de>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Zdenek Kabelac <zkabelac@redhat.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Lukas Hejtmanek <xhejtman@ics.muni.cz>
Subject: Re: drop_caches ...
Date: Thu, 5 Mar 2009 21:36:03 +0800 [thread overview]
Message-ID: <20090305133603.GA22442@localhost> (raw)
In-Reply-To: <200903051255.35407.M4rkusXXL@web.de>
Hi Markus,
On Thu, Mar 05, 2009 at 01:55:35PM +0200, Markus wrote:
> > Markus, you may want to try this patch, it will have better chance to figure out
> > the hidden file pages.
> >
> > 1) apply the patch and recompile kernel with CONFIG_PROC_FILECACHE=m
> > 2) after booting:
> > modprobe filecache
> > cp /proc/filecache filecache-`date +'%F'`
> > 3) send us the copied file, it will list all cached files, including
> > the normally hidden ones.
>
> The file consists of 674 lines. If I interpret it right, "size" is the
> filesize and "cached" the amount of the file being in cache (why can
> this be bigger than the file?!).
size = file size in bytes
cached = cached pages
So it's normal that (size > cached).
Thanks,
Fengguang
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next prev parent reply other threads:[~2009-03-05 13:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200903041057.34072.M4rkusXXL@web.de>
[not found] ` <200903041132.04451.M4rkusXXL@web.de>
[not found] ` <20090304110558.GA17014@localhost>
[not found] ` <200903041229.41482.M4rkusXXL@web.de>
2009-03-04 11:57 ` drop_caches Wu Fengguang
2009-03-04 12:32 ` drop_caches Zdenek Kabelac
2009-03-04 13:47 ` drop_caches Markus
2009-03-04 14:09 ` drop_caches Zdenek Kabelac
2009-03-04 18:47 ` drop_caches Markus
2009-03-05 0:48 ` drop_caches Wu Fengguang
2009-03-05 9:06 ` drop_caches Lukas Hejtmanek
2009-03-05 9:14 ` drop_caches KOSAKI Motohiro
2009-03-05 11:11 ` drop_caches Wu Fengguang
2009-03-05 11:55 ` drop_caches Markus
2009-03-05 13:29 ` drop_caches Wu Fengguang
2009-03-05 14:05 ` drop_caches Markus
2009-03-05 14:22 ` drop_caches Wu Fengguang
2009-03-05 14:43 ` drop_caches Markus
2009-03-05 14:52 ` drop_caches Wu Fengguang
2009-03-05 13:36 ` Wu Fengguang [this message]
2009-03-05 13:45 ` drop_caches Lukas Hejtmanek
2009-03-05 13:48 ` drop_caches Wu Fengguang
2009-03-05 13:50 ` drop_caches Markus
2009-03-05 14:01 ` drop_caches Lukas Hejtmanek
2009-03-05 14:07 ` drop_caches Wu Fengguang
[not found] <20090304123836.GA13706@ics.muni.cz>
2009-03-04 12:54 ` drop_caches Wu Fengguang
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