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Date: Sun, 29 Apr 2012 17:29:27 +0300
From: Alex Kozlov <spam@rm-rf.kiev.ua>
To: Alexander Motin <mav@FreeBSD.org>, freebsd-stable@freebsd.org
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Cc: 
Subject: Re: High load event idl.
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On Sun, Apr 29, 2012 at 04:39:29PM +0300, Alexander Motin wrote:
> On 04/29/12 16:30, Alex Kozlov wrote:
> > On Sun, Apr 29, 2012 at 04:11:20PM +0300, Alexander Motin wrote:
> >> On 04/29/12 15:27, Alex Kozlov wrote:
> >>> On Sun, Apr 29, 2012 at 03:07:40PM +0300, Alexander Motin wrote:
> >>>> On 04/29/12 15:04, Oliver Pinter wrote:
> >>>>> Removing dummynet from kernel don't chanage anything, that is releated
> >>>>> to load average. The loadavg hold to 0.70 +/- 0.2. (single user : sh +
> >>>>> top)
> >>>>
> >>>> New ktr dump?
> >>> I have similar issue on one of my laptops. Should I provide ktr dump?
> >>> http://lists.freebsd.org/pipermail/freebsd-current/2011-September/027133.html
> >> In your case HPET also shares interrupt with other devices. I suspect
> >> that may be a reason. Every time when swi thread runs loadavg, other CPU
> >> runs shared interrupt handler, that is accounted as result. Please show
> >> your verbose dmesg.
> > Attached.
> In your case HPET could solely use IRQ22 that seems free now. After 
> recent changes in ACPI code it is detected before PCI devices and so 
> doesn't avoids sharing. You may try to hint it specific IRQ by adding to 
> loader,conf line:
> hint.hpet.0.allowed_irqs="0x00400000"
Thanks, it helped. Still it would be nice, if loadavg accounting was fixed.


--
Adios