Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00

[Ingo Molnar <mingo@elte.hu>]

* William Weston <weston@sysex.net> 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?

yes, very likely hardware (or system BIOS, e.g. SMM) induced.

	Ingo
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