Date: Thu, 30 Dec 1999 20:07:11 +0800 From: Peter Wemm <peter@netplex.com.au> To: Rasmus Kaj <kaj@ns.Raditex.se> Cc: tsikora@powerusersbbs.com, "freebsd-stable@FreeBSD.ORG" <freebsd-stable@FreeBSD.ORG> Subject: Re: Temperature Message-ID: <19991230120711.595DD1CA0@overcee.netplex.com.au> In-Reply-To: Message from Rasmus Kaj <kaj@ns.Raditex.se> of "Wed, 29 Dec 1999 20:49:22 %2B0100." <386A65C2.B2BFF596@Raditex.se>
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Rasmus Kaj wrote: > Peter Wemm wrote, about processor temp, etc: > > > The main difference is that Linux halts the cpu in the idle loop, we don't. > > As a result the cpu is in a tight spin waiting for a process to become > > scheduleable. I have some patches half-done that I've been working on for > > 4.0 that should probably be able to be adapted to the 3.x series. > > The FAQ says that FreeBSD does use the HLT instruction when idle, is > this wrong? In uniprocessor mode, yes it uses HLT (and always has). Under SMP it does not (and never has). Cheers, -Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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