Re: 2 day GENERIC-current eat 2 CPU core at 100%

On 07.06.2011 20:12, Andrey Smagin wrote:
> vmstat -i
> interrupt total rate
> irq16: uhci3   205  0
> irq20: hpet0 147924380  1126
> irq23: uhci0 ehci0   522517     3
> total                    148447102   1130
>
> Tue, 7 Jun 2011 10:34:01 +0200 письмо от Hans Petter Selasky<hselasky_at_c2i.net>:
>
>> On Tuesday 07 June 2011 10:09:47 Andrey Smagin wrote:
>>> I upgraded 2 day ago from 2010xxxx-current box on Intel D525MW.
>>> System very slow down after that.
>>> kern.hz=50
>>> in systat -vmstat - 140hpet interrupts/s
>>> at top 25% in interrupts 25% in system
>>> because hyperthreading system found 4 cpu.
>>
>> What does vmstat -i output?

Send me please full verbose dmesg and output of the `sysctl 
kern.eventtimer` and `sysctl kern.timecounter`.

Try to switch to another timer:
sysctl kern.eventtimer.timer=LAPIC

Try to switch to periodic timers (instead):
sysctl kern.eventtimer.periodic=1

-- 
Alexander Motin