Date: Tue, 09 Jan 2001 12:58:02 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Dag-Erling Smorgrav <des@ofug.org> Cc: current@FreeBSD.ORG Subject: Re: bogus microuptime() warnings? Message-ID: <15843.979041482@critter> In-Reply-To: Your message of "09 Jan 2001 12:49:39 %2B0100." <xzp1yudgd2k.fsf@flood.ping.uio.no>
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In message <xzp1yudgd2k.fsf@flood.ping.uio.no>, Dag-Erling Smorgrav writes: >Poul-Henning Kamp <phk@critter.freebsd.dk> writes: >> No, this is either a problem reading the i8254 timecounter reliably >> or an interrupt latency problem. > >Given that this is -CURRENT, interrupt latency is a likely >explanation... > >Going off on a tangent, I'm getting a lot fewer "hwptr went backwards" >with the latest -CURRENT than I used to... That's also the irq-latency if I understand it right. The latency went from "abysmal" to "bad" recently. We used to do "ok". -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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