On Thu, Jul 08, 2010 at 11:46:51AM -0500, Mark Schank wrote: > Not sure if it applies here, but I use a utility called "setserial" to > set the "low_latency" flag on the port. I also build my kernel with a > 1000hz tick rate. It seems to reduce some of the latency, but I have > never seen it as high as what you are seeing.
I wonder if the port is using the irq or polling? I seem to recall seeing really bad serial performance when the irq wasn't setup right once. -- Len Sorensen _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev