Date: Fri, 3 Sep 2010 22:10:00 +0100 From: Bruce Cran <bruce@cran.org.uk> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: jan.grant@bristol.ac.uk, freebsd-stable@freebsd.org, Jim Bryant <kc5vdj.freebsd@gmail.com>, Pizzamiglio <l.pizzamiglio@bally-wulff.de>, Luca, Michal Varga <varga.michal@gmail.com> Subject: Re: Tuning the scheduler? Desktop with a CPU-intensive task becomes rapidly unusable. Message-ID: <20100903221000.00001365@unknown> In-Reply-To: <20100903205010.GA85105@icarus.home.lan> References: <alpine.BSF.2.00.1009011357050.5858@tribble.ilrt.bris.ac.uk> <i5lr29$9ei$1@dough.gmane.org> <alpine.BSF.2.00.1009021000110.50312@tribble.ilrt.bris.ac.uk> <4C7F7C0F.8080004@icyb.net.ua> <alpine.BSF.2.00.1009021133330.5858@tribble.ilrt.bris.ac.uk> <4C7F9ACE.80705@bally-wulff.de> <4C814665.3070306@gmail.com> <1283544518.26203.33.camel@xenon> <20100903205010.GA85105@icarus.home.lan>
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On Fri, 3 Sep 2010 13:50:10 -0700 Jeremy Chadwick <freebsd@jdc.parodius.com> wrote: > Just be aware of this problem[1] when using it. (I've been working > on a proper fix -- not a hack -- for the problem for about a week now. > Stress level is very high given the ambiguous nature of many aspects > of GEOM and libgeom lacking in numerous areas. So far I've managed to > figure out how to parse the results from geom_gettree() in attempt to > replace kern.geom.conftxt...) I'm hoping to replace most of the geom code in sysinstall for 9.0 - it needs to parse the output of geom_gettree, use gpart to create partitions etc. So far I've got code that can parse the existing partition layout but not much more. Take a look at user/ae/usr.sbin/sade in svn to see how to interact with geom - ae@ has been working on adding support for gpt, zfs etc. to sade. -- Bruce Cran
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