Date: Thu, 25 Oct 2007 22:25:08 -0400 From: "Josh Carroll" <josh.carroll@gmail.com> To: "Jeff Roberson" <jroberson@chesapeake.net> Cc: freebsd-performance@freebsd.org Subject: Re: ULE vs. 4BSD in RELENG_7 Message-ID: <8cb6106e0710251925s2db0117cvcb67321b08d7b2a1@mail.gmail.com> In-Reply-To: <20071024133240.X598@10.0.0.1> References: <8cb6106e0710230902x4edf2c8eu2d912d5de1f5d4a2@mail.gmail.com> <20071024111105.M598@10.0.0.1> <8cb6106e0710241229i12852d8cq436f4c955ac62c56@mail.gmail.com> <20071024133240.X598@10.0.0.1>
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> I'm confident that we can improve things. It will probably not make the > cut for 7.0 since it will be too disruptive. I'm sure it can be > backported before 7.1 when ULE is likely to become the default. That sounds great! I figured it was something that would have to wait until 7.0 released. I completely understand that. > I hope that we can continue to work together to verify any fixes I may > come up with. Absolutely! Just let me know how I can help. If you need a guinea pig...er...tester :) I'll be glad to help! Another thing I noticed between ULE and 4BSD is my core temperatures seem erratic on ULE. I use RRDtool with the new coretemp(4) feature and noticed the temperatures are spiking a lot with ULE, and generally slightly higher than when running a 4BSD kernel. I don't know if that's significant or not. Just something I noticed when I modified my RRD scripts to use coretemp. For a side-by-side comparison, see this page: http://pflog.net/~floyd/fbsd_sched.html Thanks again for all your help! Please let me know if/when I can do anything else to help out. Regards, Josh
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