Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965158AbVIMTSA (ORCPT ); Tue, 13 Sep 2005 15:18:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965163AbVIMTSA (ORCPT ); Tue, 13 Sep 2005 15:18:00 -0400 Received: from 216-54-166-16.gen.twtelecom.net ([216.54.166.16]:13534 "EHLO mx1.compro.net") by vger.kernel.org with ESMTP id S965158AbVIMTR7 (ORCPT ); Tue, 13 Sep 2005 15:17:59 -0400 Message-ID: <432725E3.70304@compro.net> Date: Tue, 13 Sep 2005 15:17:55 -0400 From: Mark Hounschell Reply-To: markh@compro.net User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041220 X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Re: HZ question References: <4326CAB3.6020109@compro.net> <4326DB8A.7040109@compro.net> <4326EAD7.50004@compro.net> <43270294.9010509@compro.net> <43271CA3.7050706@stesmi.com> In-Reply-To: <43271CA3.7050706@stesmi.com> X-Enigmail-Version: 0.90.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 5.0.3.165339, Antispam-Engine: 2.1.0.0, Antispam-Data: 2005.9.13.18 X-PerlMx-Spam: Gauge=IIIIIII, Probability=7%, Report='__CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __USER_AGENT 0' Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1274 Lines: 40 Stefan Smietanowski wrote: > Mark Hounschell wrote: >>>Tim Schmielau wrote: >>> >>>>Do you also want to know about CONFIG_PREEMPT, SMP, current load, future >>>>load in order to estimate the delay you want to ask for? >>> >>>Are not CONFIG_PREEMPT, SMP, and current load, all determinable from >>>userland anyway? Why not HZ? > > And with dynamic HZ? > > Do you want > a) The HZ that was used when we booted > b) The HZ that is currently used (say 22, but could be 573 in 0.1s) > c) The MIN HZ (if there is such a thing and it is configured) > that the kernel will use. > d) The MAX HZ (same) that the kernel will use. > > Or do you want USER_HZ? > > Or are you after something else entirely. > > // Stefan If dynamic HZ means dynamic timer resolutions I don't want it at all. I guess the 'terms' John just used, ie timer resolutions, as opposed to HZ was maybe what I really should have asked for to begin with. However since they are both bascially the same or at least one derived from the other......? Thanks Mark - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/