Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754549Ab3C3WHK (ORCPT ); Sat, 30 Mar 2013 18:07:10 -0400 Received: from mail-ea0-f174.google.com ([209.85.215.174]:32877 "EHLO mail-ea0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754259Ab3C3WHI (ORCPT ); Sat, 30 Mar 2013 18:07:08 -0400 Message-ID: <51576207.4090607@suse.cz> Date: Sat, 30 Mar 2013 23:07:03 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:19.0) Gecko/20130124 Thunderbird/19.0 MIME-Version: 1.0 To: Michal Hocko CC: Mel Gorman , Linux-MM , Valdis Kletnieks , Rik van Riel , Zlatko Calusic , Johannes Weiner , dormando , Satoru Moriya , LKML Subject: Re: [PATCH 01/10] mm: vmscan: Limit the number of pages kswapd reclaims at each priority References: <1363525456-10448-1-git-send-email-mgorman@suse.de> <1363525456-10448-2-git-send-email-mgorman@suse.de> <20130325090758.GO2154@dhcp22.suse.cz> <51501545.50908@suse.cz> <5154C4B6.102@suse.cz> <20130329082257.GB21227@dhcp22.suse.cz> In-Reply-To: <20130329082257.GB21227@dhcp22.suse.cz> X-Enigmail-Version: 1.6a1pre Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1216 Lines: 37 On 03/29/2013 09:22 AM, Michal Hocko wrote: > On Thu 28-03-13 23:31:18, Jiri Slaby wrote: >> On 03/25/2013 10:13 AM, Jiri Slaby wrote: >>> BTW I very pray this will fix also the issue I have when I run ltp tests >>> (highly I/O intensive, esp. `growfiles') in a VM while playing a movie >>> on the host resulting in a stuttered playback ;). >> >> No, this is still terrible. I was now updating a kernel in a VM and had >> problems to even move with cursor. > > :/ > >> There was still 1.2G used by I/O cache. > > Could you collect /proc/zoneinfo and /proc/vmstat (say in 1 or 2s > intervals)? Sure: http://www.fi.muni.cz/~xslaby/sklad/zoneinfos.tar.xz I ran the update like 10 s after I started taking snapshots. Mplayer immediately started complaining: ************************************************ **** Your system is too SLOW to play this! **** ************************************************ etc. thanks, -- js suse labs -- 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/