New interrupt code slows hyperthreading down

[Lars Eggert]

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...

Lars
-- 
Lars Eggert <larse at isi.edu>           USC Information Sciences Institute
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