linux-kernel - Re: drop

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Date:	Thu, 5 Mar 2009 21:29:06 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Markus <M4rkusXXL@....de>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Zdenek Kabelac <zkabelac@...hat.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Lukas Hejtmanek <xhejtman@....muni.cz>
Subject: Re: drop_caches ...

Hi Markus,

Could you please try the attached patch which will also show the
user and process that opened these files? It adds three more fields
when CONFIG_PROC_FILECACHE_EXTRAS is selected.

Thanks,
Fengguang
 
On Thu, Mar 05, 2009 at 01:55:35PM +0200, Markus wrote:
> 
> # sort -n -k 3 filecache-2009-03-05 | tail -n 5
>      15886       7112     7112     100      1    d- 00:08
> (tmpfs)        /dev/zero\040(deleted)
>      16209      35708    35708     100      1    d- 00:08
> (tmpfs)        /dev/zero\040(deleted)
>      16212      82128    82128     100      1    d- 00:08
> (tmpfs)        /dev/zero\040(deleted)
>      15887     340024   340024     100      1    d- 00:08
> (tmpfs)        /dev/zero\040(deleted)
>      15884     455008   455008     100      1    d- 00:08
> (tmpfs)        /dev/zero\040(deleted)
> 
> The sum of the third column is 1013 MB.
> To note the biggest ones (or do you want the whole file?)... and thats 
> after a sync and a drop_caches! (Can be seen in the commands given.)
> 
> Thanks!
> Markus

View attachment "filecache-2.6.28.patch" of type "text/x-diff" (33813 bytes)