From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 2.6.28 Date: Tue, 13 Jan 2009 05:33:14 +0100 Message-ID: <496C198A.4060502@trash.net> References: <1935.87.196.72.187.1231371721.squirrel@webmail.decimal.pt> <200901122038.05199.denys@visp.net.lb> <200901122201.19616.denys@visp.net.lb> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: Jesper Dangaard Brouer , netdev , bugme-daemon@bugzilla.kernel.org To: Denys Fedoryschenko Return-path: Received: from stinky.trash.net ([213.144.137.162]:47012 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753418AbZAMEdS (ORCPT ); Mon, 12 Jan 2009 23:33:18 -0500 In-Reply-To: <200901122201.19616.denys@visp.net.lb> Sender: netdev-owner@vger.kernel.org List-ID: Denys Fedoryschenko wrote: > They are enabled > > Router-Dora /config # zcat /proc/config.gz |grep HIGH_RES > CONFIG_HIGH_RES_TIMERS=y > Router-Dora /config # zcat /proc/config.gz |grep HZ > CONFIG_NO_HZ=y Its odd that HZ=1000 solved the problem despite HR timers being active. Are you sure they're actually enabled? You should see something like this in the ringbuffer: [ 0.241972] Switched to high resolution mode on CPU 0 [ 0.242708] Switched to high resolution mode on CPU 1