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Date: Sat, 4 Oct 2008 18:25:26 +0200
From: Ed Schouten <ed@80386.nl>
To: Christian Weisgerber <naddy@mips.inka.de>
Message-ID: <20081004162526.GE16837@hoeg.nl>
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Cc: FreeBSD Current <freebsd-current@freebsd.org>
Subject: Re: Jump in serial line latency?
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Hello Christian,

* Christian Weisgerber <naddy@mips.inka.de> wrote:
> It looks like something has added a lot of latency to characters
> coming in the serial port.  I have no idea when this happened.
> Candidates include the switch from sio(4) to uart(4), the new MPSAFE
> TTY layer, or maybe these are red herrings and it came with the
> ntpd update.

Do you have time/interest to pinpoint the cause of the problem? A good
test would be to run sources from August 19, which is 1 day before the
MPSAFE TTY import. Thanks!

--=20
 Ed Schouten <ed@80386.nl>
 WWW: http://80386.nl/

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