On Tue, Aug 27, 2002 at 02:01:43PM -0400, Richard B. Johnson wrote:
> This cannot be. A stock kernel-2.4.18, running a 133 MHz AMD-SC520,
> (like a i586) with a 33 MHz bus, handles interrupts off IRQ7 (the lowest
> priority), from the 'printer port' at well over 75,000 per second without
> skipping a beat or missing an edge. This means that latency is at least
> as good as 1/57,000 sec = 0.013 microseconds.
Assuming you mean 75,000 then ...
Thats 0.013 MILLISECONDS which is 13 microseconds and its not likely.
I bet that your data source drops data or looks at some handshake
pins on the parallel connect.
-- --------------------------------------------------------- Victor Yodaiken Finite State Machine Labs: The RTLinux Company. www.fsmlabs.com www.rtlinux.com- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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