Subject: Re: High interrupt load with GENERIC.MPACPI (i386)
To: Quentin Garnier <cube@cubidou.net>
From: Sverre Froyen <sverre@viewmark.com>
List: current-users
Date: 08/04/2006 11:36:47
On Friday 04 August 2006 11:12, Quentin Garnier wrote:
> On Fri, Aug 04, 2006 at 10:54:01AM -0600, Sverre Froyen wrote:
> > Hi,
> >
> > I just noticed that kernels build from GENERIC.MPACPI (i386) shows a very
> > high interrupt load on an idle computer. GENERIC and GENERIC.MP do not
> > show this behavior. Is this a known problem or something worth
> > investigating further?
>
> What does "vmstat -i" say?
(netbsd.viewmark.com): vmstat -i
interrupt total rate
cpu0 softclock 327147 100
cpu0 softnet 1643 0
cpu0 timer 327226 100
cpu0 FPU flush IPI 2 0
cpu0 FPU synch IPI 2 0
cpu0 TLB shootdown IPI 231 0
cpu1 timer 325844 100
cpu1 FPU flush IPI 1 0
cpu1 FPU synch IPI 2 0
cpu1 TLB shootdown IPI 789 0
cpu2 timer 325844 100
cpu2 TLB shootdown IPI 806 0
cpu3 timer 325844 100
cpu3 FPU synch IPI 1 0
cpu3 TLB shootdown IPI 757 0
ioapic0 pin 6 1 0
ioapic0 pin 14 6 0
ioapic0 pin 5 964856707 296150
ioapic1 pin 12 2181 0
ioapic1 pin 14 1882 0
ioapic1 pin 15 15 0
Total 966496931 296653
(netbsd.viewmark.com): uptime
11:36AM up 55 mins, 1 user, load averages: 0.11, 0.10, 0.08