Date: Wed, 29 Sep 2010 01:56:11 -0700 (PDT) From: Don Lewis <truckman@FreeBSD.org> To: avg@icyb.net.ua Cc: stable@FreeBSD.org, sterling@camdensoftware.com, freebsd@jdc.parodius.com Subject: Re: CPU time accounting broken on 8-STABLE machine after a few hours of uptime Message-ID: <201009290856.o8T8uB2W061505@gw.catspoiler.org> In-Reply-To: <4CA2FCDF.2060609@icyb.net.ua>
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On 29 Sep, Andriy Gapon wrote: > on 29/09/2010 00:11 Don Lewis said the following: >> On 28 Sep, Don Lewis wrote: >> >> >>> % vmstat -i >>> interrupt total rate >>> irq0: clk 60683442 1000 >>> irq1: atkbd0 6 0 >>> irq8: rtc 7765537 127 >>> irq9: acpi0 13 0 >>> irq10: ohci0 ehci1+ 10275064 169 >>> irq11: fwohci0 ahc+ 132133 2 >>> irq12: psm0 21 0 >>> irq14: ata0 90982 1 >>> irq15: nfe0 ata1 18363 0 >>> >>> I'm not sure why I'm getting USB interrupts. There aren't any USB >>> devices plugged into this machine. >> >> Answer: irq 10 is also shared by vgapci0 and atapci1. > > Just curious why Local APIC timer isn't being used for hardclock on your system. I'm using the same kernel config as the one on a slower !SMP box which I'm trying to squeeze as much performance out of as possible. My kernel config file contains these statements: nooptions SMP nodevice apic Testing with an SMP kernel is on my TODO list.
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