From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750810AbWDDE0J (ORCPT ); Tue, 4 Apr 2006 00:26:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750851AbWDDE0J (ORCPT ); Tue, 4 Apr 2006 00:26:09 -0400 Received: from www.osadl.org ([213.239.205.134]:9619 "EHLO mail.tglx.de") by vger.kernel.org with ESMTP id S1750810AbWDDE0I (ORCPT ); Tue, 4 Apr 2006 00:26:08 -0400 Subject: Re: 2.6.16-rt11: Hires timer makes sleep wait far too long From: Thomas Gleixner Reply-To: tglx@linutronix.de To: Jonathan Woithe Cc: linux-kernel@vger.kernel.org In-Reply-To: <200604040340.k343ewe3029930@auster.physics.adelaide.edu.au> References: <200604040340.k343ewe3029930@auster.physics.adelaide.edu.au> Content-Type: text/plain Date: Tue, 04 Apr 2006 06:26:22 +0200 Message-Id: <1144124783.5344.396.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2006-04-04 at 13:10 +0930, Jonathan Woithe wrote: > The actual amount of time waited by a "sleep 1" call from bash was tested > at least twice for each timer source: > > pit: 12 seconds, 29 seconds, 28 seconds > tsc: 45 seconds, 45 seconds > acpi_pm: 45 seconds, 29 seconds > jiffies: 45 seconds, 32 seconds Hmm, can you please send me your .config and the bootlog of the machine ? tglx