From owner-freebsd-current Mon Sep 28 10:04:30 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA13096 for freebsd-current-outgoing; Mon, 28 Sep 1998 10:04:30 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.40.131]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA13088 for ; Mon, 28 Sep 1998 10:04:28 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.9.1/8.8.5) with ESMTP id SAA16005; Mon, 28 Sep 1998 18:57:56 +0200 (CEST) To: Nate Williams cc: Bruce Evans , tlambert@primenet.com, current@FreeBSD.ORG, yokota@zodiac.mech.utsunomiya-u.ac.jp Subject: Re: VM86 and APM In-reply-to: Your message of "Mon, 28 Sep 1998 10:06:33 MDT." <199809281606.KAA17209@mt.sri.com> Date: Mon, 28 Sep 1998 18:57:56 +0200 Message-ID: <16003.907001876@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG >Actually, my older FreeBSD systems that use the i8254 are *much* more >accurate than the newer systems that use the Pentium counters and such. >(Verified using XNTPD.) But, one person's experience doesn't make it >a fact, just a statistic. :) I just was told today that some cpus, (Cyrix ?) stops the TSC for the duration of an HLT instruction. That would be bad news for its use as timecounter. Anyone who can confirm this ? -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." "ttyv0" -- What UNIX calls a $20K state-of-the-art, 3D, hi-res color terminal To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message