Re: [rtl] 20 microsecond jitter using 9G with an IRQ driven task...

[yodaiken@chelm.cs.nmt.edu]

> The downside is that there is a very large amount of jitter, about
> 20 microseconds on either side of the scheduled time. This only
> occurs around every 5-15 seconds, but it does happen. (If folks
> want to look at the traces then let me know and I'll put them up,
> but they don't look different than the periodic task in terms of jitter).

What's the mother board, chipset, and devices?
Are you sure the delay is not in the device timer?

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