Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 11 Jul 2002 21:24:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 11 Jul 2002 21:24:12 -0400 Received: from [209.237.59.50] ([209.237.59.50]:56992 "EHLO zinfandel.topspincom.com") by vger.kernel.org with ESMTP id ; Thu, 11 Jul 2002 21:24:10 -0400 To: george anzinger Cc: Stevie O , lkml Subject: Re: HZ, preferably as small as possible References: <5.1.0.14.2.20020711201602.022387b0@whisper.qrpff.net> <3D2E2C48.DCB509D7@mvista.com> X-Message-Flag: Warning: May contain useful information X-Priority: 1 X-MSMail-Priority: High From: Roland Dreier Date: 11 Jul 2002 18:26:52 -0700 In-Reply-To: <3D2E2C48.DCB509D7@mvista.com> Message-ID: <52adoxrb1f.fsf@topspin.com> User-Agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 855 Lines: 19 >>>>> "george" == george anzinger writes: george> Well, in truth it has nothing to do with interrupts. It george> is just that that is the way most systems keep time. The george> REAL definition of HZ is in its relationship to jiffies george> and seconds. george> I.e. jiffies * HZ = seconds, by definition. I'm sure you know the truth, but this isn't quite right. Just to be pedantic and make sure the correct definition is out there: jiffies / HZ = seconds For example if HZ is 100 then the jiffy counter is incremented 100 times each second. Best, Roland - 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/