From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx139.postini.com [74.125.245.139]) by kanga.kvack.org (Postfix) with SMTP id 9B88A6B0002 for ; Sat, 30 Mar 2013 18:07:08 -0400 (EDT) Received: by mail-ea0-f179.google.com with SMTP id f15so607708eak.24 for ; Sat, 30 Mar 2013 15:07:06 -0700 (PDT) Message-ID: <51576207.4090607@suse.cz> Date: Sat, 30 Mar 2013 23:07:03 +0100 From: Jiri Slaby MIME-Version: 1.0 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> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: Mel Gorman , Linux-MM , Valdis Kletnieks , Rik van Riel , Zlatko Calusic , Johannes Weiner , dormando , Satoru Moriya , LKML 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org