On Sat, 1 Aug 2009, Hans Petter Selasky wrote:
This has slowed down core dumps very significantly. What used to take
10-15s on my system now takes around 3 minutes. A simple test is to break
into ddb and "call doadump" with or without this rev. I have a serial
console on this machine and so I can use ddb whether the attached USB
keyboard works or not.
It's because there is a DELAY(1000) in the UKBD's polling routine so that
key- repeating will work, no magic.
Given a choice between dumping 10x faster and having automatic key repeat in
DDB, I'd lean towards the former. :-)
Robert N M Watson
Computer Laboratory
University of Cambridge
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