Date: Sat, 6 Apr 1996 13:20:33 -0600 (CST) From: Joe Greco <jgreco@brasil.moneng.mei.com> To: imp@village.org (Warner Losh) Cc: hackers@freebsd.org Subject: Re: interrupts and such Message-ID: <199604061920.NAA06139@brasil.moneng.mei.com> In-Reply-To: <199604051725.KAA16272@rover.village.org> from "Warner Losh" at Apr 5, 96 10:25:43 am
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> I just did a vmstat -i on my 2.1R I notice that I get 100/s for clk0 > (which is what I'd expect) and 128/s for rtc0 on irq8. This seems > excessive to me to have both. Also, I notice on an older 1.1.5.1R > system that the rtc0 device isn't listed in vmstat's output. > > So what is rtc0 and why is it acting like a clock interrupt? Noticed today on news.sol.net: hummin# vmstat -i interrupt total rate clk0 irq0 16981562 261 rtc0 irq8 8308881 128 fdc0 irq6 1 0 sc0 irq1 1831 0 ed0 irq10 9768007 150 Total 35060282 540 What the heck, with clk0? The board is an ASUS Triton P90 with NCR-810 and AHA-3940 controller, one SMC Ethernet, not much else.. The ASUS SP3G it replaced did not seem to exhibit that behaviour. I see the same bizarre extra "irq0" oddity on Exec-PC's Triton board: daily-planet# vmstat -i interrupt total rate clk0 irq0 7781389 495 rtc0 irq8 2010688 128 fdc0 irq6 1 0 sc0 irq1 167 0 lpt0 irq7 1 0 Total 9792246 623 Nifty :-) ... Joe ------------------------------------------------------------------------------- Joe Greco - Systems Administrator jgreco@ns.sol.net Solaria Public Access UNIX - Milwaukee, WI 414/546-7968
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