time accounting problem (powerpc only?)

Johannes Berg johannes at sipsolutions.net
Sat Nov 24 07:48:42 EST 2007


On Fri, 2007-11-23 at 21:37 +0100, Johannes Berg wrote:
> Hi,

> > - 25:   18063968   MPIC 1    Level     VIA-PMU
> > + 25:   18064241   MPIC 1    Level     VIA-PMU

> > - 42:    1415066   MPIC 1    Level     keywest i2c
> > - 47:    2075159   MPIC 1    Level     GPIO1 ADB
> > - 48:    6686659   MPIC 1    Level     radeon at pci:0000:00:10.0
> > + 42:    1415084   MPIC 1    Level     keywest i2c
> > + 47:    2075193   MPIC 1    Level     GPIO1 ADB
> > + 48:    6686778   MPIC 1    Level     radeon at pci:0000:00:10.0

> Are you sure about that? I'm fairly sure that I always had rather high
> numbers of interrupt here. And the system isn't sluggish or unresponsive
> as you'd expect if the IRQs actually did take 90% of the CPU time!

Also, I'm pretty sure I see the same on my powermac (haven't tested but
I did see the same symptoms) and it has neither a PMU nor radeon :)

johannes
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