Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752002AbaFFMyZ (ORCPT ); Fri, 6 Jun 2014 08:54:25 -0400 Received: from mail-qg0-f51.google.com ([209.85.192.51]:55340 "EHLO mail-qg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750759AbaFFMyY (ORCPT ); Fri, 6 Jun 2014 08:54:24 -0400 MIME-Version: 1.0 In-Reply-To: <20140606110306.GD26253@dhcp22.suse.cz> References: <53905594d284f_71f12992fc6a@nysa.notmuch> <20140605133747.GB2942@dhcp22.suse.cz> <20140606091620.GC26253@dhcp22.suse.cz> <20140606110306.GD26253@dhcp22.suse.cz> Date: Fri, 6 Jun 2014 07:54:23 -0500 Message-ID: Subject: Re: Interactivity regression since v3.11 in mm/vmscan.c From: Felipe Contreras To: Michal Hocko Cc: Linux Kernel Mailing List , "linux-mm@kvack.org" , Andrew Morton , Linus Torvalds , Mel Gorman , KAMEZAWA Hiroyuki , Rik van Riel Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 6, 2014 at 6:03 AM, Michal Hocko wrote: > On Fri 06-06-14 05:33:28, Felipe Contreras wrote: >> On Fri, Jun 6, 2014 at 4:16 AM, Michal Hocko 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. I have both. -- Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/