Date: Wed, 25 May 2005 23:42:01 +0200 From: Bjarne Wichmann Petersen <freebsd.nospam@mekanix.dk> To: freebsd-stable@freebsd.org Cc: Mike Jakubik <mikej@rogers.com>, Matthias Buelow <mkb@incubus.de>, Kris Kennaway <kris@obsecurity.org> Subject: Re: Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches) Message-ID: <200505252342.01938.freebsd.nospam@mekanix.dk> In-Reply-To: <20050523213609.GA47212@xor.obsecurity.org> References: <3248.172.16.0.199.1116876092.squirrel@172.16.0.1> <20050523213155.GA46718@xor.obsecurity.org> <20050523213609.GA47212@xor.obsecurity.org>
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On Monday 23 May 2005 23:36, Kris Kennaway wrote: > Also try defining PREEMPTION in your kernel on 5.x and above (if you > are running i386 or amd64). There have been very occasional reports > of panics with this option enabled (although I use it everywhere and > have not seen problems on my heavily loaded machines), but interactive > response should be much better. I've had PREEMTION enabled in 5-STABLE for at couple of month and had the opposite experience. Eg. when clicking on a file in a fileselector (I'm using KDE) it would take 2-3 seconds before the file got highlighted. After disabling PREEMTION again responsetime seems to have improved. Bjarne
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