Re: Re[2]: Fwd: Interrupt Overload

On Sat, 2014-06-07 at 19:04 +0300, Vladislav Prodan wrote:
> 
>  
>  --- Original message ---
>  From: "Dutch Ingraham" <[e-mail]>
>  Date: 7 June 2014, 18:33:12
>   
> 
> > 
> > Thanks for the response.
> > 
> > The output you requested:
> > 
> > kern.eventtimer.choice: HPET1 (440) HPET2 (440) HPET3 (440) HPET4 (440)
> > HPET5 (440) HPET6 (440) LAPIC (400) i8254 (100) RTC (0)
> > 
> > kern.eventtimer.choice: HPET (did not specify 1, 2, etc.)
> > 
> > I also changed the type of timer to LAPIC and rebooted; there was no
> > appreciable change in the interrupt activity.
> 
> After reboot what became timer? :)
> 
> You can change the timer "on the fly", without rebooting the system.
> 
> If LAPIC does not help, then try other timers.
> 
> 
> --
>  Vladislav V. Prodan
>  System & Network Administrator
>  support.od.ua
>  

It's unclear to me why you are hung up on the idea of changing timers
when the misbehaving interrupt is unshared and used only by a USB
controller and there's no evidence of any kind that a timer is involved.

-- Ian


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