Date: Tue, 31 Jul 2007 14:32:02 -0500 From: "illoai@gmail.com" <illoai@gmail.com> To: "Gardner Bell" <gbell72@rogers.com> Cc: freebsd-current@freebsd.org Subject: Re: High interrupt count on irq12 Message-ID: <d7195cff0707311232y4b87b6c2wc8e0c1354d69798a@mail.gmail.com> In-Reply-To: <172019.94794.qm@web88014.mail.re2.yahoo.com> References: <172019.94794.qm@web88014.mail.re2.yahoo.com>
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On 31/07/07, Gardner Bell <gbell72@rogers.com> wrote: > Since I installed -CURRENT, I've noticed irq12 has a rather high > interrupt count for only 29mins of uptime. Interrupt load appears to > be rather low at only 0.4% so I'm not sure what can be causing the high > count. Here is the output of vmstat. > > dan@home$ vmstat -i > interrupt total rate > irq1: atkbd0 3011 1 > irq12: psm0 121265 61 > irq14: ata0 58 0 > irq19: uhci1+ 5181 2 > irq20: fxp0 1377 0 > irq22: pcm0 11 0 > cpu0: timer 3812581 1923 > cpu1: timer 3812247 1923 > Total 7755731 3913 > > My kernel is pretty much GENERIC except for the removal of drivers that > I don't use/need, WITNESS, and INVARIANTS. That doesn't look teriffically high, unless you haven't touched your mouse at all. For example, uhci0 (i have a usb mouse) generated 323 interrupts with about a second and a half of mouse waving. -- --
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