Date: Mon, 20 Sep 1999 11:16:05 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: "David Schwartz" <davids@webmaster.com> Cc: "Mike Smith" <mike@smith.net.au>, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/conf files.i386 src/sys/i386/i386 mp_clock.c Message-ID: <21851.937818965@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 20 Sep 1999 02:08:44 PDT." <000001bf0347$bd39b3e0$021d85d1@youwant.to>
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In message <000001bf0347$bd39b3e0$021d85d1@youwant.to>, "David Schwartz" writes > If it's not too difficult, can you do both? Use the most reliable source >(PIIX) as your base time reference, and then use the TSC to 'add on a bit' >to make it a bit more precise. This way, even if the TSC is somehow >corrupted, your worst-case accuracy will be what your best case with just >the PIIX. The problem is that the needed code complexity soaks up any advantage from doing so... -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." FreeBSD -- It will take a long time before progress goes too far! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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