linux-kernel - Re: Interactivity regression since v3.11 in mm/vmscan.c

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Date:	Fri, 6 Jun 2014 13:03:07 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Felipe Contreras <felipe.contreras@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: Interactivity regression since v3.11 in mm/vmscan.c

On Fri 06-06-14 05:33:28, Felipe Contreras wrote:
> On Fri, Jun 6, 2014 at 4:16 AM, Michal Hocko <mhocko@...e.cz> wrote:
> 
> > Mel has a nice systemtap script (attached) to watch for stalls. Maybe
> > you can give it a try?
> 
> Is there any special configurations I should enable?

You need debuginfo and systemtap AFAIK. I haven't used this script
myself.
-- 
Michal Hocko
SUSE Labs
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