From owner-freebsd-arm@FreeBSD.ORG Wed Jan 30 10:37:32 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id BFCB63DB for ; Wed, 30 Jan 2013 10:37:32 +0000 (UTC) (envelope-from wynkoop@wynn.com) Received: from mail.wynn.com (wa3yre.wynn.com [199.89.147.3]) by mx1.freebsd.org (Postfix) with ESMTP id 69301E00 for ; Wed, 30 Jan 2013 10:37:32 +0000 (UTC) Received: from ivory.lan (mail.wynn.com [199.89.147.3]) (authenticated bits=0) by mail.wynn.com (8.14.3/8.12.6) with ESMTP id r0UAbTNL084697; Wed, 30 Jan 2013 05:37:30 -0500 (EST) (envelope-from wynkoop@wynn.com) Date: Wed, 30 Jan 2013 05:37:29 -0500 From: Brett Wynkoop To: "Ronald Klop" Subject: Re: disk wait mystery Message-ID: <20130130053729.0c9e018f@ivory.lan> In-Reply-To: References: <20130130001849.7669e033@ivory.lan> X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.13; x86_64-apple-darwin10.8.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Cc: freebsd-arm@freebsd.org X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jan 2013 10:37:32 -0000 On Wed, 30 Jan 2013 10:39:37 +0100 "Ronald Klop" wrote: > On Wed, 30 Jan 2013 06:18:49 +0100, Brett Wynkoop > wrote: >=20 > > Greeting- > > > > Can anyone figure out why a mainly idle bone with only 2 user > > shells via ssh running would have so much in disk wait? > > > > wynkoop@beaglebone:~ % !ps > > ps ax > > PID TT STAT TIME COMMAND > > 0 - DLs 0:00.02 [kernel] > > 1 - ILs 0:00.20 /sbin/init -- > > 2 - DL 0:00.00 [xpt_thrd] > > 3 - DL 0:01.92 [task: mmc/sd card] > > 4 - DL 0:00.01 [pagedaemon] > > 5 - DL 0:00.00 [vmdaemon] > > 6 - DL 0:00.00 [pagezero] > > 7 - DL 0:00.02 [bufdaemon] > > 8 - DL 0:00.02 [vnlru] > > 9 - DL 0:00.10 [syncer] > > 10 - RL 17:15.90 [idle] > > 11 - WL 0:07.91 [intr] > > 12 - DL 0:00.17 [geom] > > 13 - DL 0:00.21 [yarrow] > > 14 - DL 0:00.06 [softdepflush] > > 15 - DL 0:00.15 [schedcpu] > > 106 - DL 0:00.00 [md0] > > 410 - Is 0:00.06 dhclient: cpsw0 [priv] (dhclient) > > 448 - Is 0:00.07 dhclient: cpsw0 (dhclient) > > 449 - Is 0:00.01 /sbin/devd > > 634 - Is 0:00.04 /usr/sbin/sshd > > 638 - Is 0:00.55 /usr/sbin/cron -s > > 682 - Is 0:00.64 sshd: wynkoop [priv] (sshd) > > 685 - S 0:00.29 sshd: wynkoop@pts/0 (sshd) > > 678 u0 Is+ 0:00.19 /usr/libexec/getty std.9600 ttyu0 > > 686 0 Ss 0:00.74 -csh (csh) > > 831 0 R+ 0:00.16 ps ax > > wynkoop@beaglebone:~ % > > > > -Brett > > >=20 > Hi, >=20 > Maybe I missed a previous email, but you don't provide much > information for people to think about. > As a start you might show the 'disk wait' output. >=20 > Ronald. >=20 Ronald- =46rom the ps man page: D Marks a process in disk (or other short term, uninterruptible) wait. Note all the D entries in the above ps output. -Brett _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" --=20 wynkoop@wynn.com http://prd4.wynn.com/wynkoop/pgp-keys.txt 917-642-6925 718-717-5435 "The strongest reason for the people to retain the right to keep=20 and bear arms is, as a last resort, to protect themselves against=20 tyranny in government" - Thomas Jefferson.=20