Date: Sat, 4 Oct 2008 18:25:26 +0200 From: Ed Schouten <ed@80386.nl> To: Christian Weisgerber <naddy@mips.inka.de> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Jump in serial line latency? Message-ID: <20081004162526.GE16837@hoeg.nl> In-Reply-To: <gc84nl$30us$1@lorvorc.mips.inka.de> References: <gc84nl$30us$1@lorvorc.mips.inka.de>
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[-- Attachment #1 --] 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! -- Ed Schouten <ed@80386.nl> WWW: http://80386.nl/ [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkjnmPYACgkQ52SDGA2eCwVDfQCcD0xYWS1+ftgiHWBBmsAB2mYZ N8sAmwZe3rteCruUR7OCofKfXzXJaq8T =aBK2 -----END PGP SIGNATURE-----help
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