Date: Tue, 1 Nov 2005 11:43:07 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: Szilveszter Adam <sziszi@bsd.hu> Cc: freebsd-current@freebsd.org Subject: Re: Really poor performance on /dev/ttyv* only Message-ID: <20051101114237.L45155@fledge.watson.org> In-Reply-To: <20051101112303.GB51552@momo.buza.adamsfamily.xx> References: <20051101070259.GC18710@wantadilla.lemis.com> <4367150C.4030508@mawer.org> <20051101073157.GE18710@wantadilla.lemis.com> <20051101112303.GB51552@momo.buza.adamsfamily.xx>
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On Tue, 1 Nov 2005, Szilveszter Adam wrote: > On Tue, Nov 01, 2005 at 06:01:57PM +1030, Greg 'groggy' Lehey wrote: >> I'd guess that this is a different situation. FWIW, the Inspiron >> series are laptops, and this is at the keyboard. The machine is brand >> new, and I've never had another version of FreeBSD on it, but I >> suspect it's -CURRENT rather than the laptop. > > FWIW, I also see slugishness on my Toshiba Satellite Pro 4200 series > with yesterday's -CURRENT, it concerns not only keyboard input but also > eg sorting of my mail spool (mbox format) in mutt and changing between > messages etc. Interestingly enough, network activity is not affected. > However, this isn't new, I have seen it also with -CURRENT from > September. > > I use SCHED_ULE as the scheduler, if that matters. I guess it matters primarily if the problem doesn't occur if you use SCHED_4BSD. :-) Could you give that a try and see? Robert N M Watson
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