Date: Sun, 20 Jul 2008 16:13:14 +0200 From: Kris Kennaway <kris@FreeBSD.org> To: "Murty, Ravi" <ravi.murty@intel.com> Cc: freebsd-hackers@freebsd.org, Jeremy Chadwick <koitsu@FreeBSD.org>, d@delphij.net Subject: Re: Bug in calcru in he 6.2 and 6.3 kernels Message-ID: <488347FA.7080103@FreeBSD.org> In-Reply-To: <AEBCFC23C0E40949B10BA2C224FC61B007C221BA@orsmsx416.amr.corp.intel.com> References: <AEBCFC23C0E40949B10BA2C224FC61B007A3253D@orsmsx416.amr.corp.intel.com> <48726193.1080807@FreeBSD.org> <48727E37.30700@delphij.net> <487284CA.4050407@FreeBSD.org> <AEBCFC23C0E40949B10BA2C224FC61B007C221B9@orsmsx416.amr.corp.intel.com> <20080720135900.GA68132@eos.sc1.parodius.com> <AEBCFC23C0E40949B10BA2C224FC61B007C221BA@orsmsx416.amr.corp.intel.com>
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Murty, Ravi wrote: > Jeremy, thanks. I look forward to switching to ULE in 7.0 and realize > that it is a completely new scheduler (I spent some time yesterday > looking at it) -- which is my porting effort is much harder than a > simple cut and paste. I just wanted to find out if there was something > simple I could look at before I spent weeks porting my changes to the > scheduler (also I can justify the move to 7.x). I can't figure out why > my 8 app threads run so slow -- I am booting the kernel is single user > mode with not much else running and my threads do a lot of work and > don't really sleep. Once again, ULE in 6.x is too broken to use, which is why major changes were required to get it to a suitable state in 7.0. It's a shame that you didn't read about this before putting in so much work. Kris
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