Date: Mon, 28 Sep 1998 18:57:56 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Nate Williams <nate@mt.sri.com> Cc: Bruce Evans <bde@zeta.org.au>, tlambert@primenet.com, current@FreeBSD.ORG, yokota@zodiac.mech.utsunomiya-u.ac.jp Subject: Re: VM86 and APM Message-ID: <16003.907001876@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 28 Sep 1998 10:06:33 MDT." <199809281606.KAA17209@mt.sri.com>
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>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
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