Date: Mon, 3 Jul 2006 15:04:38 +0300 From: Nikos Vassiliadis <nvass@teledomenet.gr> To: freebsd-questions@freebsd.org Cc: "Daan Vreeken \[PA4DAN\]" <Danovitsch@vitsch.net>, nocturnal <nocturnal@swehack.se> Subject: Re: Interrupt using all the CPU Message-ID: <200607031504.39332.nvass@teledomenet.gr> In-Reply-To: <200607031306.12477.Danovitsch@vitsch.net> References: <44A8D770.5060808@swehack.se> <44A8F0D6.4060307@swehack.se> <200607031306.12477.Danovitsch@vitsch.net>
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On Monday 03 July 2006 14:06, Daan Vreeken [PA4DAN] wrote: > On Monday 03 July 2006 12:26, nocturnal wrote: > > Hi > > > > The clock? > > > > interrupt total rate > > irq0: clk 25130235 99 > > irq1: atkbd0 4 0 > > irq6: fdc0 1 0 > > irq7: ppc0 1 0 > > irq8: rtc 288300 1 > > irq11: atapci1 637852 2 > > irq12: vr0 uhci0+ 3890833 15 > > irq13: npx0 1 0 > > irq14: ata0 54 0 > > Total 29947281 119 > > Hmm.. There seems to be nothing wrong with these numbers. If you were > suffering from an interrupt storm I would have expected much larger numbers > in the "rate" column. The column "rate" shows the average number of > interrupts / second. In total your system handles about 120 interrupts / > second, so that shouldn't be a problem. I have the feeling that rate is calculated like this: number of interrupts since boottime / seconds of uptime so, this won't help if his is having now an interrupt storm while most of the time the system is interrupted ~ 120 times per second systat -vmstat $time shows interrupts per second regarding the last $time seconds
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