New interrupt code slows hyperthreading down

[Jens Rehsack]

Lars Eggert wrote:
> Jens Rehsack wrote:
> 
>> interrupt                          total       rate
>> irq1: atkbd0                         512          2
>> irq8: rtc                          23419        127
>> irq13: npx0                            1          0
>> irq14: ata0                         4422         24
>> irq15: ata1                           82          0
>> irq16: uhci0 uhci3               5379815      29238
> 
> 
> This looks similar to what I described in the "fwohci0 running wild" 
> thread. In both cases, irq16 seems to cause the problem...

But I cannot unload the uhci driver, 'cause I need my mouse
when using X. Ok, it would work even without, but I think
then will I become the bottleneck, not irq 16 ;-)

Jens