From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261403AbULTDER (ORCPT ); Sun, 19 Dec 2004 22:04:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261404AbULTDER (ORCPT ); Sun, 19 Dec 2004 22:04:17 -0500 Received: from mail22.syd.optusnet.com.au ([211.29.133.160]:27025 "EHLO mail22.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S261403AbULTDEA (ORCPT ); Sun, 19 Dec 2004 22:04:00 -0500 Message-ID: <41C640DE.7050002@kolivas.org> Date: Mon, 20 Dec 2004 14:02:54 +1100 From: Con Kolivas User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mikhail Ramendik Cc: Andrew Morton , Nick Piggin , lista4@comhem.se, linux-kernel@vger.kernel.org, riel@redhat.com Subject: Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task References: <14514245.1103496059334.JavaMail.tomcat@pne-ps4-sn2> <41C6073B.6030204@yahoo.com.au> <20041219155722.01b1bec0.akpm@digeo.com> <200412200303.35807.mr@ramendik.ru> In-Reply-To: <200412200303.35807.mr@ramendik.ru> X-Enigmail-Version: 0.89.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig57CEDD287129D82D8B9E9514" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig57CEDD287129D82D8B9E9514 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Mikhail Ramendik wrote: > Andrew Morton wrote: > > >>- Ask Voluspa to do >> >> echo 0 > /proc/sys/vm/swap_token_timeout >> >> on 2.6.10-rc3 and retest. > > > He did, and I did (but I have not sent my report to lkml). In both cases, > screen freezes remained but were now less in duration (up to 10-20 sec). In > mu case I also monitored CPU loading and the big load peaks were there (the > biggest one was in the beginning). > > >>(We still don't know why it chews tons of CPU, do we?) > > > It does! Any way to dig into this? > I still suspect the thrash token patch even with the swap token timeout at 0. Is it completely disabled at 0 or does it still do something? Con --------------enig57CEDD287129D82D8B9E9514 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFBxkDgZUg7+tp6mRURAmloAJ9YJdJMNtdKPC/ZB6fUKFthC11dYgCfQZ7u nAEC/4xY/27ZImKK7dP7F84= =0Qj6 -----END PGP SIGNATURE----- --------------enig57CEDD287129D82D8B9E9514--