From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261253AbVFBUgG (ORCPT ); Thu, 2 Jun 2005 16:36:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261218AbVFBUfO (ORCPT ); Thu, 2 Jun 2005 16:35:14 -0400 Received: from ylpvm01-ext.prodigy.net ([207.115.57.32]:4546 "EHLO ylpvm01.prodigy.net") by vger.kernel.org with ESMTP id S261319AbVFBUcf (ORCPT ); Thu, 2 Jun 2005 16:32:35 -0400 Date: Thu, 2 Jun 2005 13:32:25 -0700 From: Tony Lindgren To: Christian Hesse Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] Dynamic tick for x86 version 050602-2 Message-ID: <20050602203225.GH21363@atomide.com> References: <20050602013641.GL21597@atomide.com> <200506021030.50585.mail@earthworm.de> <20050602174219.GC21363@atomide.com> <200506022203.27734.mail@earthworm.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200506022203.27734.mail@earthworm.de> User-Agent: mutt-ng 1.5.9i (Linux) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Christian Hesse [050602 13:04]: > On Thursday 02 June 2005 19:42, Tony Lindgren wrote: > > * Christian Hesse [050602 01:31]: > > > On Thursday 02 June 2005 03:36, Tony Lindgren wrote: > > > > Hi all, > > > > > > > > Here's an updated version of the dynamic tick patch. > > > > > > > > It's mostly clean-up and it's now using the standard > > > > monotonic_clock() functions as suggested by John Stultz. > > > > > > > > Please let me know of any issues with the patch. I'll continue to do > > > > more clean-up on it, but I think the basic functionality is done. > > > > > > I would like to test it, but have some trouble. The patch applies cleanly > > > and everything compiles fine, but linking fails: > > > > > > [ linker errors ] > > > > Should be fixed now, the header was defining it as a function un UP > > system with no local apic. Can you try the following version? > > This one compiles and links without problems. > > The reason I want to use this patch is that I hear a high pitched noise [1] > when running with 1000Hz and the processor is idle. With this patch I could > use 1000Hz without any noise. Heh! > But I found some problems on my system: > > - time does not run the correct speed, it was some minutes in future after I > had compiled a new kernel Could you please post output of the following commands: $ dmesg | grep -i "time\|tick\|apic" # for i in 1 2 3 4 5; do ntpdate -b someserver.somewhere && sleep 10; done Also, please attach your .config file too. > - pressing a key on the keyboard sometimes results in two or more characters, > not only one > > - mouse misses some events, e.g. clicks are not recognized (synaptics > touchpad) > > - using software suspend 2.1.8.10 I can suspend the system, but it hangs while > resuming None of this should happen... Tony