Date: Thu, 1 Feb 2007 12:30:16 -0800 From: "Kip Macy" <kip.macy@gmail.com> To: "Julian Elischer" <julian@elischer.org>, "Ivan Voras" <ivoras@fer.hr>, freebsd-current@freebsd.org Subject: Re: lock contention etc. Message-ID: <b1fa29170702011230x199b52c1t2957ecf0cf3d42e1@mail.gmail.com> In-Reply-To: <45C24788.2040708@elischer.org> References: <45C24113.7000608@elischer.org> <eptgi3$3l7$1@sea.gmane.org> <45C24788.2040708@elischer.org>
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I can already tell you from builds on the T2000 that its the vm page queue mutex. On 2/1/07, Julian Elischer <julian@elischer.org> wrote: > Ivan Voras wrote: > > Julian Elischer wrote: > > > >> 3762.94 real 2627.66 user 1275.78 sys > >> 2465.10 real 2958.94 user 1918.64 sys > >> 2262.88 real 4322.31 user 3333.58 sys > > > >> (2 processors with HTT) (looks like 4 processors) > >> -current, sched_4bsd > > > > I'm possibly stating the obvious, but did you try without HTT or on a > > real 4proc machine? Much of the contention might be an artifact of HTT > > (e.g. HTT "logical" processor blocking when real work could be done > > because the internal processor units are busy elsewhere). > > > > > > yes I just sent an email stating that. > And I'm trying it again with the virtual cores turned off. > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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