linux-kernel - Re: [PATCH v4] oom: add tracepoints for oom_score

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] [day] [month] [year] [list]

Message-ID: <20140204083918.GA31442@dyad.arnhem.chello.nl>
Date:	Tue, 4 Feb 2014 09:39:19 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	akpm@...ux-foundation.org, rientjes@...gle.com, dchinner@...hat.com
Subject: Re: [PATCH v4] oom: add tracepoints for oom_score_adj

On Thu, Dec 08, 2011 at 03:32:30PM +0900, KAMEZAWA Hiroyuki wrote:
> From 5dc1f8c879ae424d5853af255df8860494209e39 Mon Sep 17 00:00:00 2001
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> Date: Wed, 7 Dec 2011 09:58:16 +0900
> Subject: [PATCH] oom: trace point for oom_score_adj
> 
> oom_score_adj is set to prevent a task from being killed by OOM-Killer.
> Some daemons sets this value and their children inerit it sometimes.
> Because inheritance of oom_score_adj is done automatically, users
> can be confused at seeing the value and finds it's hard to debug.
> 
> This patch adds trace point for oom_score_adj. This adds 3 trace
> points. at
> 	- update oom_score_adj
> 	- fork()
> 	- rename task->comm(typically, exec())
> 

And nobody was bothered by the fact that we already had fork and exec tracepoints?

--
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/