Re: Regression: ftdi_sio is slow (since Wed Oct 10 15:05:06 2012)

From: Stas Sergeev
Date: Fri May 03 2013 - 13:17:15 EST


03.05.2013 20:52, Greg KH ÐÐÑÐÑ:
What exactly is the "problem" being seen?
OK, the problem is that while select() "stalls", the entire
output queue is transmitted, and when the app writes
more, there is already a big pause.
In fact, the app calls select() before writing every char,
so then the data transfer is very slow.
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