Date: Mon, 5 Dec 2005 13:47:56 -0600 From: "Matthew D. Fuller" <fullermd@over-yonder.net> To: Kevin Oberman <oberman@es.net> Cc: kama <kama@pvp.se>, freebsd-stable@freebsd.org, Peter Jeremy <PeterJeremy@optushome.com.au> Subject: Re: cpu-timer rate Message-ID: <20051205194756.GG90806@over-yonder.net> In-Reply-To: <20051205181552.2D7AB5D04@ptavv.es.net> References: <20051205124910.GC90806@over-yonder.net> <20051205181552.2D7AB5D04@ptavv.es.net>
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On Mon, Dec 05, 2005 at 10:15:52AM -0800 I heard the voice of Kevin Oberman, and lo! it spake thus: > > From: "Matthew D. Fuller" <fullermd@over-yonder.net> > > > > Because the rate is always twice hz. > > While I will concede that I have no explanation, but on all of my > systems rate = HZ +/-1. I have never seen a case where rate/2 = HZ. Well, OK, it always is when you're using the LAPIC timer, which I think is on 6.x and up (with the APIC enabled, of course). When you're using irq0, it just runs at hz. -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Systems/Network Administrator | http://www.over-yonder.net/~fullermd/ On the Internet, nobody can hear you scream.
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