Date: Mon, 19 May 2003 12:40:33 -0700 From: Lars Eggert <larse@ISI.EDU> To: Paul Richards <paul@freebsd-services.com> Cc: current@freebsd.org Subject: Re: Interrupt latency problems Message-ID: <3EC93331.7090004@isi.edu> In-Reply-To: <1053372251.815.50.camel@cf.freebsd-services.com> References: <22333.1052574519@critter.freebsd.dk> <20030511.134504.85393710.imp@bsdimp.com> <1052684139.4921.3.camel@cf.freebsd-services.com> <20030511.143231.133432780.imp@bsdimp.com> <1052692357.4921.128.camel@cf.freebsd-services.com> <16062.59918.302092.929640@curly.cs.duke.edu> <1052703871.4921.146.camel@cf.freebsd-services.com> <16063.38255.961273.900146@grasshopper.cs.duke.edu> <20030512124753.GA48753@survey.codeburst.net> <16063.39366.930707.980678@grasshopper.cs.duke.edu> <20030512130949.GB48440@survey.codeburst.net> <1053372251.815.50.camel@cf.freebsd-services.com>
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[-- Attachment #1 --]
Paul Richards wrote:
>
> I'm also not sure why a lot more people aren't seeing this, unless my
> motherboard is odd in sharing the acpi interrupt with a pci slot.
I tried to see if this is the case on my SMP board, but I don't seem to
have acpi attached to any interrupt:
[root@nik: ~] ps -axg | grep irq
24 ?? WL 0:00.00 (irq18: mpt0)
25 ?? WL 0:19.30 (irq19: em0 mpt1)
26 ?? WL 0:00.00 (irq16: xl0 uhci1)
27 ?? WL 1:57.07 (irq17: fwohci0 drm0)
28 ?? WL 1:09.27 (irq13: em1 ichsmb0)
29 ?? WL 0:00.02 (irq20: pcm0)
30 ?? WL 0:02.19 (irq2: uhci0 bktr0)
31 ?? WL 0:02.84 (irq14: ata0)
32 ?? WL 0:00.00 (irq15: ata1)
36 ?? WL 0:00.00 (irq6: fdc0)
37 ?? WL 0:00.00 (irq1: atkbd0)
Is this the right way to check for this?
Lars
--
Lars Eggert <larse@isi.edu> USC Information Sciences Institute
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