From: David Rientjes <rientjes@google.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Dave Chinner <david@fromorbit.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [3.2-rc3] OOM killer doesn't kill the obvious memory hog
Date: Tue, 6 Dec 2011 12:31:48 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1112061231320.28251@chino.kir.corp.google.com> (raw)
In-Reply-To: <20111202144441.4c2ff29e.kamezawa.hiroyu@jp.fujitsu.com>
On Fri, 2 Dec 2011, KAMEZAWA Hiroyuki wrote:
> From ed565cbf842e0b30827fba7bfdbc724fe21d9d2d Mon Sep 17 00:00:00 2001
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Date: Fri, 2 Dec 2011 14:10:51 +0900
> Subject: [PATCH] oom_score_adj trace point.
>
> oom_score_adj is set by some daemon and launch tasks ans inherited
> to applications, sometimes unexpectedly.
>
> This patch is for debugging oom_score_adj inheritance. This
> adds trace points for oom_score_adj inheritance.
>
> bash-2501 [002] 448.860197: oom_score_adj_update: task 2501[bash] updates oom_score_adj=-1000
> bash-2501 [002] 455.678190: oom_score_adj_inherited: new task 2527 inherited oom_score_adj -1000
> ls-2527 [007] 455.678683: oom_score_task_rename: task 2527[bash] to [ls] oom_score_adj=-1000
> bash-2501 [007] 461.632103: oom_score_adj_inherited: new task 2528 inherited oom_score_adj -1000
> bash-2501 [007] 461.632335: oom_score_adj_inherited: new task 2529 inherited oom_score_adj -1000
> ls-2528 [003] 461.632983: oom_score_task_rename: task 2528[bash] to [ls] oom_score_adj=-1000
> less-2529 [005] 461.633086: oom_score_task_rename: task 2529[bash] to [less] oom_score_adj=-1000
> bash-2501 [004] 474.888710: oom_score_adj_update: task 2501[bash] updates oom_score_adj=0
>
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: David Rientjes <rientjes@google.com>
Thanks Kame!
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prev parent reply other threads:[~2011-12-06 20:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-01 9:36 Dave Chinner
2011-12-01 9:50 ` KAMEZAWA Hiroyuki
2011-12-01 12:46 ` Dave Chinner
2011-12-01 22:35 ` David Rientjes
2011-12-02 1:59 ` Dave Chinner
2011-12-02 3:31 ` Dave Chinner
2011-12-02 5:44 ` KAMEZAWA Hiroyuki
2011-12-04 22:04 ` Dave Chinner
2011-12-06 20:31 ` David Rientjes [this message]
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