On Thu, 23 Jun 2005, Ingo Molnar wrote:

> these are all the first type of latencies, which seem to be hardware 
> related. Could you try to boot the UP kernel, do you see these latencies 
> there too? (if yes then please post those too)

On -50-11 UP, the ~200us idle is still showing up in the traces.  This
idle time, however, seems to be at random points within the trace.  Some
of the traces attached are nearly identical except for where the ~200us
jump happens to fall.  Hardware induced latency?

--ww