Date: Tue, 1 Jul 2008 14:41:11 +0200 From: Gary Jennejohn <gary.jennejohn@freenet.de> To: vova@fbsd.ru Cc: current@FreeBSD.org Subject: Re: [fwd] cvs commit: src/lib/libthr/thread thr_mutex.c thr_umtx.c thr_umtx.h src/sys/kern kern_umtx.c src/sys/sys umtx.h Message-ID: <20080701144111.02c49938@peedub.jennejohn.org> In-Reply-To: <1214908172.1947.29.camel@localhost> References: <200806240737.m5O7bhc5018813@repoman.freebsd.org> <1214850524.42354.9.camel@localhost> <20080701104912.5e9e16e0@peedub.jennejohn.org> <1214908172.1947.29.camel@localhost>
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On Tue, 01 Jul 2008 14:29:32 +0400 Vladimir Grebenschikov <vova@fbsd.ru> wrote: > On Tue, 2008-07-01 at 10:49 +0200, Gary Jennejohn wrote: > > On Mon, 30 Jun 2008 22:28:44 +0400 > > Vladimir Grebenschikov <vova@fbsd.ru> wrote: > > > > > On Tue, 2008-06-24 at 07:32 +0000, David Xu wrote: > > > > > > This commit makes threaded application almost unusable on 8-CURRENT. > > > > > > Applications eat 100% CPU all the time and works _very_ slowly. > > > (top shows several threads for every constantly applications eating CPU) > > > > > > Following applications are affected for me: firefox, evolution, eclipse > > > (probably more). > > > > > > Reverting user-land part of commit fixes problem, reverting kernel > > > changes nothing regarding the problem. > > ... > > > Did you recompile these misbehaving applications? > > > > I ask because I installed a fresh world yesterday, without recompiling > > any ports, and I'm _not_ seeing any misbehavior with firefox. > > Do you have SMP system ? > Yes. I also run gkrellm, hacked to show both cores, and I never see firefox using an unusual amount of CPU. But as I wrote previously, my firefox is old and probably doesn't use the features which David added. --- Gary Jennejohn
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