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Date: Sat, 07 Jun 2014 18:09:01 +0300
From: Vladislav Prodan <universite@ukr.net>
Subject: Re[2]: Fwd: Interrupt Overload
To: Dutch Ingraham <stoa@gmx.us>
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 --- Original message ---
 From: "Dutch Ingraham" <stoa@gmx.us>
 Date: 7 June 2014, 17:33:33
  


> On 06/07/2014 09:53 AM, Hans Petter Selasky wrote:
> > On 06/07/14 15:05, Dutch Ingraham wrote:
> >>
> >> Hi everyone - I am resending this as it is not appearing in the archives
> >> so I don't believe it made it to the general list-serv. (My apologies if
> >> it actually did make it.)
> >>
> > 
> > Hi,
> > 
> > UHCI controllers should not produce more than 1000 IRQ/s. Is the
> > interrupt perhaps shared?
> > 
> > --HPS
> > 
> > _______________________________________________
> > freebsd-hackers@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
> > 
> Thanks, Hans. Here's some output from <vmstat -i>:
> 
> interrupt total rate
> irq1 atkbd0 48 0
> irq16 uhci0 19937714 43248
> irq18 atapci0+ 886 1
> [snip]
> 
> There are no other UHCI's in the list.
> 
> A <dmesg | grep uhci> produces only one instance at uhci0:
> 
> "uhci0: <UHCI (generic) USB controller> port 0xff20-0xff3f \
> irq16 at device 26.0 on pci0"
> 
> Is there another command you're thinking of to produce better information?


Show command output:
sysctl kern.eventtimer.choice  kern.eventtimer.timer


Try changing the type of timer:
sysctl kern.eventtimer.timer=LAPIC



--
 Vladislav V. Prodan
 System & Network Administrator
 support.od.ua