linux-kernel - Re: [PATCH 2/3] vmscan: implement swap token trace

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20110516170241.d918031e.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Mon, 16 May 2011 17:02:41 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, minchan.kim@...il.com, riel@...hat.com
Subject: Re: [PATCH 2/3] vmscan: implement swap token trace

On Fri, 13 May 2011 20:40:52 +0900
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> This is useful for observing swap token activity.
> 
> example output:
> 
>              zsh-1845  [000]   598.962716: update_swap_token_priority:
> mm=ffff88015eaf7700 old_prio=1 new_prio=0
>           memtoy-1830  [001]   602.033900: update_swap_token_priority:
> mm=ffff880037a45880 old_prio=947 new_prio=949
>           memtoy-1830  [000]   602.041509: update_swap_token_priority:
> mm=ffff880037a45880 old_prio=949 new_prio=951
>           memtoy-1830  [000]   602.051959: update_swap_token_priority:
> mm=ffff880037a45880 old_prio=951 new_prio=953
>           memtoy-1830  [000]   602.052188: update_swap_token_priority:
> mm=ffff880037a45880 old_prio=953 new_prio=955
>           memtoy-1830  [001]   602.427184: put_swap_token:
> token_mm=ffff880037a45880
>              zsh-1789  [000]   602.427281: replace_swap_token:
> old_token_mm=          (null) old_prio=0 new_token_mm=ffff88015eaf7018
> new_prio=2
>              zsh-1789  [001]   602.433456: update_swap_token_priority:
> mm=ffff88015eaf7018 old_prio=2 new_prio=4
>              zsh-1789  [000]   602.437613: update_swap_token_priority:
> mm=ffff88015eaf7018 old_prio=4 new_prio=6
>              zsh-1789  [000]   602.443924: update_swap_token_priority:
> mm=ffff88015eaf7018 old_prio=6 new_prio=8
>              zsh-1789  [000]   602.451873: update_swap_token_priority:
> mm=ffff88015eaf7018 old_prio=8 new_prio=10
>              zsh-1789  [001]   602.462639: update_swap_token_priority:
> mm=ffff88015eaf7018 old_prio=10 new_prio=12
> 
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/