Hi

> Two conclusions:
>
>  - You are running your kernel as i586 without TSC support - suboptimal,
>    costs you a few micros.
I am aware of this. For the current machine I will stick to this.


>  - The reported latency perfectly matches the trace, nothing
>    pathological there. The trace looks like this: Timer fired,
>    measurement task woken up, two interrupts squeeze themselves between
>    wakeup and time stamp acquisition. All sane.
Is it not a bit strange that a machine as fast as this one is supposed
to be give worse latencies than much slower machines. Are the 2
interrupts causing the latency?

Regards,

Roland
>
> Jan
>
>
>

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