Date: Thu, 7 Feb 2008 11:47:34 -0800 From: "Eli Scott" <havok173@gmail.com> To: "Jason Morgan" <jwm-freebsd-questions@sentinelchicken.net> Cc: freebsd-questions@freebsd.org Subject: Re: Desktop Performance Tuning? Message-ID: <73b8a7e50802071147l6dca5bcdr9c64c4251e20186b@mail.gmail.com> In-Reply-To: <20080207161959.GF59566@sentinelchicken.net> References: <73b8a7e50802061545r4a1ac458g350eb4a45274ebe9@mail.gmail.com> <20080207010734.5fceb382@gumby.homeunix.com.> <20080207161959.GF59566@sentinelchicken.net>
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On Feb 7, 2008 8:19 AM, Jason Morgan < jwm-freebsd-questions@sentinelchicken.net> wrote: > On Thu, Feb 07, 2008 at 01:07:34AM +0000, RW wrote: > > On Wed, 6 Feb 2008 15:45:14 -0800 > > "Eli Scott" <havok173@gmail.com> wrote: > > > > > I recently installed FreeBSD 7.0 RC-1 on my hobby system, > > >.. > > > performance seems to degrade whenever i'm compiling > > > things (like, performing a buildworld, installing from ports, etc) > > > which manifests itself as considerable lag in standard desktop > > > operations, > > > > I've noticed this too, it always used to be the case that building > > didn't make all that much difference to desktop use, but now it make a > > severe difference. Nice helps, but it only makes the > > problem intermittent. I've tried changing the scheduler to ULE, and > > disabling SMP, but it didn't help. > > > > There have been threads on the stable list about jerky mouse > > performance, which may be part of this, but I have really followed it > > closely. I'm also wondering whether this might be due to some xorg or > > other port change from late 2007 that I only noticed when I started > > doing a lot of rebuilding under 7-stable. > > > > I've also noticed this. I thought it was because I used the -j4 flag > when building world, but I just rebuilt my kernel last night without > -j4 and had some of the same issues. This has been on both SCHED_ULE > and SCHED_4FSB. I am running AMD64. > > ~Jason > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > RE: Schedulers, i've also used kernels with both schedulers on this machine and have noticed no difference in desktop performance. I remember an article on ONLAMP from a few years ago that talked about tuning the system for desktop use, i'll check it out and see if the tunables that are discussed there make any difference.
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