Date: Sun, 20 Jul 2008 17:28:24 -0700 From: "Garrett Cooper" <yanefbsd@gmail.com> To: "Kris Kennaway" <kris@freebsd.org> Cc: freebsd-hackers@freebsd.org, Jeremy Chadwick <koitsu@freebsd.org>, d@delphij.net, "Murty, Ravi" <ravi.murty@intel.com> Subject: Re: Bug in calcru in he 6.2 and 6.3 kernels Message-ID: <7d6fde3d0807201728q4d0fcce5md94af2d69d108c0a@mail.gmail.com> In-Reply-To: <488347FA.7080103@FreeBSD.org> 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> <488347FA.7080103@FreeBSD.org>
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On Sun, Jul 20, 2008 at 7:13 AM, Kris Kennaway <kris@freebsd.org> wrote: > 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 Perhaps an $(error ) (don't know the pmake analog) should be put into the kernel Makefile to note that ULE is busted? -Garrett
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