Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263125AbUD2D4z (ORCPT ); Wed, 28 Apr 2004 23:56:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263174AbUD2D4z (ORCPT ); Wed, 28 Apr 2004 23:56:55 -0400 Received: from smtp810.mail.sc5.yahoo.com ([66.163.170.80]:5480 "HELO smtp810.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S263125AbUD2D4v (ORCPT ); Wed, 28 Apr 2004 23:56:51 -0400 Date: Wed, 28 Apr 2004 22:55:42 -0500 (CDT) From: Brent Cook X-X-Sender: busterb@ozma.hauschen Reply-To: busterbcook@yahoo.com To: Trond Myklebust cc: busterbcook@yahoo.com, Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: pdflush eating a lot of CPU on heavy NFS I/O In-Reply-To: <1083187174.2856.162.camel@lade.trondhjem.org> Message-ID: References: <20040427230203.1e4693ac.akpm@osdl.org> <20040428124809.418e005d.akpm@osdl.org> <1083187174.2856.162.camel@lade.trondhjem.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1594 Lines: 43 On Wed, 28 Apr 2004, Trond Myklebust wrote: > On Wed, 2004-04-28 at 16:39, Brent Cook wrote: > > > Could you please capture the contents of /proc/meminfo and /proc/vmstats > > > when it's happening? > > > > > > Thanks. > > > > > > > Here is the top of top for one machine: > > > > 15:36:55 up 7:09, 1 user, load average: 1.00, 1.00, 1.00 > > 48 processes: 46 sleeping, 2 running, 0 zombie, 0 stopped > > CPU states: 0.1% user 99.8% system 0.0% nice 0.0% iowait 0.0% idle > > Mem: 256992k av, 117644k used, 139348k free, 0k shrd, 36464k buff > > 50968k active, 51592k inactive > > Swap: 514040k av, 0k used, 514040k free 61644k cached > > > > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND > > 7 root 25 0 0 0 0 RW 99.4 0.0 415:26 0 pdflush > > Could you please also supply the mount options you are using as well as > the contents of /proc/mounts corresponding to your NFS partition. > > Cheers, > Trond Here is /proc/mounts on the aforementioned test system: rootfs / rootfs rw 0 0 /dev/root / reiserfs rw 0 0 devpts /dev/pts devpts rw 0 0 proc /proc proc rw,nodiratime 0 0 none /sys sysfs rw 0 0 usbfs /proc/bus/usb usbfs rw 0 0 ozma:/home /home nfs rw,v3,rsize=8192,wsize=8192,hard,udp,lock,addr=ozma 0 0 - Brent - 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/