Hi all,
I've installed RTLinux v1.1 on a Toshiba Libretto CT100 notebook
(Pentium 166 MMX) because we want to capture data from the serial
interface at 500K Baud. Unfortunately, my module (based on rt_com) still
loses bytes from the serial interface (i.e., I get the OVERRUN error
from the UART). Running the "measure" example on the notebook shows that
the maximal delay time for the scheduler can be as worse as 300
microseconds. My own PC at home shows always a maximal delay of 20
microseconds.
Now my question: Could it be the case that the hardware is responsible
for this behavior (i.e., because the notebook does not have a 2nd level
cache)? Is there perhaps a cure?
-- Bernhard
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