From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261474AbULNKAB (ORCPT ); Tue, 14 Dec 2004 05:00:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261475AbULNKAB (ORCPT ); Tue, 14 Dec 2004 05:00:01 -0500 Received: from gprs214-98.eurotel.cz ([160.218.214.98]:43136 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261474AbULNJ76 (ORCPT ); Tue, 14 Dec 2004 04:59:58 -0500 Date: Tue, 14 Dec 2004 10:59:39 +0100 From: Pavel Machek To: Andrea Arcangeli Cc: Zwane Mwaikambo , Con Kolivas , linux-kernel@vger.kernel.org Subject: Re: dynamic-hz Message-ID: <20041214095939.GC1063@elf.ucw.cz> References: <41BCD5F3.80401@kolivas.org> <20041212234331.GO16322@dualathlon.random> <20041213002751.GP16322@dualathlon.random> <20041213112853.GS16322@dualathlon.random> <20041213124313.GB29426@atrey.karlin.mff.cuni.cz> <20041213125844.GY16322@dualathlon.random> <20041213191249.GB1052@elf.ucw.cz> <20041214023651.GT16322@dualathlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041214023651.GT16322@dualathlon.random> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040722i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > Even before thinking at using the one-shot timer, I would like to > fix the lost tick compensation of current production 2.6.9, only then we > can talk about tickless by using a one-shot timer. If we can't do the > lost-tick compensation without screwing the system time, I don't see how > we can do the one-shot timer without screwing the system time. Are you using CONFIG_HPET_TIMER by chance? It seems to be missing some strategic -1, TSC (etc) get it right. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!