high CPU activity for interrupts

[guru at Sisis.de]

El día Friday, November 18, 2005 a las 01:40:42PM -0500, John Baldwin escribió:

> > The high rate of interrupts are coming from cardbus somehow:
> >
> > $ vmstat -i
> > interrupt                          total       rate
> > irq0: clk                        1526386         99
> > irq1: atkbd0                       19720          1
> > irq4: sio0                             2          0
> > irq6: fdc0                            10          0
> > irq7:                                  3          0
> > stray irq7                             3          0
> > irq8: rtc                        1953511        127
> > irq9: acpi0                         1102          0
> > irq11: cbb1 pcm0++*            126785936       8304 <***********
> > irq12: psm0                       116294          7
> > irq14: ata0                        70657          4
> > irq15: ata1                        33673          2
> > Total                          130507297       8548
> 
> The '++*' part means you have at least 4 other devices sharing that IRQ line 
> as well.  Can you do a "dmesg | grep 'irq 11'" and post the output?

Thanks for the feedback and here it is;

	matthias

fwohci0: <SiS 7007> mem 0xec000000-0xec000fff irq 11 at device 2.3 on pci0
ohci0: <SiS 5571 USB controller> mem 0xec001000-0xec001fff irq 11 at device 3.0 on pci0
ohci1: <SiS 5571 USB controller> mem 0xec002000-0xec002fff irq 11 at device 3.1 on pci0
ohci2: <SiS 5571 USB controller> mem 0xec003000-0xec003fff irq 11 at device 3.2 on pci0
sis0: <SiS 900 10/100BaseTX> port 0x2000-0x20ff mem 0xec005000-0xec005fff irq 11 at device 4.0 on pci0
pcm0: <SiS 7012> port 0x1800-0x187f,0x1c00-0x1cff irq 11 at device 2.7 on pci0
pcm0: <SiS 7012> port 0x1800-0x187f,0x1c00-0x1cff irq 11 at device 2.7 on pci0
drm0: <ATI Radeon Lf R250 Mobility 9000 M9> port 0xa000-0xa0ff mem 0xec100000-0xec10ffff,0xf0000000-0xf7ffffff irq 11 at device 0.0 on pci1

-- 
Matthias Apitz / Sisis Informationssysteme GmbH
Gruenwalder Weg 28g / D-82041 Oberhaching
Fon: ++49 89 / 61308-351, Fax: -399, Mobile ++49 170 4527211
http://www.sisis.de/