From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org, minchan.kim@gmail.com,
riel@redhat.com
Subject: Re: [PATCH 2/3] vmscan: implement swap token trace
Date: Mon, 16 May 2011 17:02:41 +0900 [thread overview]
Message-ID: <20110516170241.d918031e.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <4DCD18C4.1000902@jp.fujitsu.com>
On Fri, 13 May 2011 20:40:52 +0900
KOSAKI Motohiro <kosaki.motohiro@jp.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@jp.fujitsu.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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next prev parent reply other threads:[~2011-05-16 8:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-13 11:38 [PATCH 0/3] swap token revisit KOSAKI Motohiro
2011-05-13 11:40 ` [PATCH 1/3] vmscan,memcg: memcg aware swap token KOSAKI Motohiro
2011-05-15 17:56 ` Rik van Riel
2011-05-16 8:01 ` KAMEZAWA Hiroyuki
2011-05-13 11:40 ` [PATCH 2/3] vmscan: implement swap token trace KOSAKI Motohiro
2011-05-15 22:26 ` Rik van Riel
2011-05-16 8:02 ` KAMEZAWA Hiroyuki [this message]
2011-05-13 11:42 ` [PATCH 3/3] vmscan: implement swap token priority decay KOSAKI Motohiro
2011-05-15 22:34 ` Rik van Riel
2011-05-16 8:22 ` KAMEZAWA Hiroyuki
2011-05-18 1:08 ` KOSAKI Motohiro
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