Date: Thu, 19 Nov 2009 18:27:23 -0500 From: "illoai@gmail.com" <illoai@gmail.com> To: neutral neutral <ptr.neutral@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: High INTERRUPT rate on CPU 0 Message-ID: <d7195cff0911191527g206f61bdq3d5a61cf97234b15@mail.gmail.com> In-Reply-To: <1c0233f80911171234i5b908678lef2327ab7c040c81@mail.gmail.com> References: <1c0233f80911171234i5b908678lef2327ab7c040c81@mail.gmail.com>
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2009/11/17 neutral neutral <ptr.neutral@gmail.com>: > Hello, > > Yesterday I get a fresh install of FreeBSD 8.0 RC3 Current. However just > some hours after the installation the machine began very slow/laggy. . . . > $ vmstat -i > interrupt total rate > irq1: atkbd0 201 0 > irq12: psm0 9 0 > irq16: fwohci0+ 2 0 > irq19: uhci2 ehci* 25229879 89151 > irq23: uhci3 ehci1 4852 17 > cpu0: timer 565386 1997 > irq256: mskc0 389 1 > cpu1: timer 562755 1988 > Total 26363473 93157 > $ > > > $ dmesg | grep uhci2 > uhci2: <Intel 82801I (ICH9) U$ dmesg | grep uhci2 > uhci2: <Intel 82801I (ICH9) USB controller> port 0x1840-0x185f irq 19 at > device 26.2 on pci0 > uhci2: [ITHREAD] > uhci2: LegSup = 0x0010 > usbus2: <Intel 82801I (ICH9) USB controller> on uhci2 > SB controller> port 0x1840-0x185f irq 19 at device 26.2 on pci0 > uhci2: [ITHREAD] > uhci2: LegSup = 0x0010 > usbus2: <Intel 82801I (ICH9) USB controller> on uhci2 Umm, IRQ19 looks a bit suspect. My noisiest non-CPU IRQ is running 31, so you're only 3 orders of magnitude higher. What usb devices do you have attached to those controllers? -- --
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