Date: Mon, 03 Jul 2006 12:26:30 +0200 From: nocturnal <nocturnal@swehack.se> To: "Daan Vreeken [PA4DAN]" <Danovitsch@vitsch.net> Cc: freebsd-questions@freebsd.org Subject: Re: Interrupt using all the CPU Message-ID: <44A8F0D6.4060307@swehack.se> In-Reply-To: <200607031157.58675.Danovitsch@vitsch.net> References: <44A8D770.5060808@swehack.se> <200607031157.58675.Danovitsch@vitsch.net>
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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 Also, in reply to Fabian Kell; top -S doesn't show me which process is using all the interrupt CPU, thank you for the tip. Med vänliga hälsningar Stefan Midjich aka nocturnal [Swehack] http://swehack.se Daan Vreeken [PA4DAN] wrote: > On Monday 03 July 2006 10:38, nocturnal wrote: >> Hi >> >> I'm having a few problems with a webserver. Today the idle was at 0.0 >> and it's still like this. It doesn't look like it's affecting web >> services but it looks weird and i'm afraid that the CPU is working it's >> ass off with something. Of course nothing shows up in top or ps that >> could indicate which process is taking up all this cpu and since >> interrupt is the one using it i'm not even sure anything is actually >> using up CPU since i don't know what interrupt is. Any hints or pointers >> would be appreciated. >> >> It looks like interrupt and system are fighting for percents, interrupt >> has 100% constantly and as soon as interrupt drops system takes exactly >> what's left over and sometimes system doesn't do it so idle gets a few >> percents. It's weird to me simply because i can't find a description of >> what interrupt shows in top anywhere in the manuals. > > Try "vmstat -i" to show you what device is causing the interrupts. > > grtz, > Daan > > >
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