From owner-freebsd-current Thu Jul 16 06:05:45 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id GAA06472 for freebsd-current-outgoing; Thu, 16 Jul 1998 06:05:45 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from ns2.cetlink.net (root@ns2.cetlink.net [209.54.54.20]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id GAA06465 for ; Thu, 16 Jul 1998 06:05:43 -0700 (PDT) (envelope-from jak@cetlink.net) Received: from EXIT10 (i485-gw.cetlink.net [209.198.15.97]) by ns2.cetlink.net (8.9.1/8.9.1) with SMTP id JAA02590; Thu, 16 Jul 1998 09:01:57 -0400 (EDT) From: jak@cetlink.net (John Kelly) To: Poul-Henning Kamp Cc: current@FreeBSD.ORG Subject: Re: tickadj -t not changing tick Date: Thu, 16 Jul 1998 13:04:48 GMT Message-ID: <35adf8c4.226351854@mail.cetlink.net> References: <2148.900592940@critter.freebsd.dk> In-Reply-To: <2148.900592940@critter.freebsd.dk> X-Mailer: Forte Agent 1.5/32.451 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by hub.freebsd.org id GAA06466 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 16 Jul 1998 14:42:20 +0200, Poul-Henning Kamp wrote: >>>They only time where you need to tweak any sysctl's is when the hardware >>>is outside the capture range (+/- 128 PPM ?) of xntpd. >> >>That's true for my hardware. >> >>>After I implemented timecounters, time keeping doesn't depend on tick, >>>and since the adjustment is for all practical purposes continuous, >>>there is no benefit of tweaking the sysctls. >> >>That sounds contradictory to the previous paragraph. So why tweak >>sysctls when it's outside the capture range of xntpd? > >To get it inside xntpd's capture range ? First you say don't bother, then you say it's worthwhile. Since tweaking sysctls is sometimes needed to get the hardware within xntpd's capture range, then, even in the case where the hardware may be within the capture range, why not go ahead and tweak the sysctl to a more accurate value? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message