Date: Thu, 17 Aug 2006 17:53:45 +0200 From: "O. Hartmann" <ohartman@mail.uni-mainz.de> To: Bill LeFebvre <bill@lefebvre.org> Cc: freebsd-stable@freebsd.org Subject: Re: TOP shows above 100% WCPU usage Message-ID: <44E49109.5090804@mail.uni-mainz.de> In-Reply-To: <44E3FF44.9070802@lefebvre.org> References: <44E1F796.5070105@rogers.com> <20060815172728.GB88051@dan.emsphone.com> <44E39809.10104@mail.uni-mainz.de> <44E3FF44.9070802@lefebvre.org>
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Bill LeFebvre wrote: > O. Hartmann wrote: >> I use FreeBSD 6.1-STABLE/AMD on an pure 64Bit box/environment, single >> CPU Athlon 3500+, and sometimes I can see a 100%+ usage of WCPU in >> 'xine' or 'transmission'. So this is definitely not related to >> multiple CPUs. > > WCPU is supposed to be weighted in some way to take swap time in to > account. It's possible that the weighting calculation is adding a bit > to a nearly 100% value. Try displaying just %CPU (the 'C' command I > think?) and see if it is reporting over 100% for a normal > (non-weighted) cpu percent. It shouldn't. If it is, then there's > something weird about the way the value is being tracked by the kernel. > > Bill LeFebvre > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" Under heavy load/IO of ar0 (RAID 0 on nForce4) this isn't slightly over 100%, sometimes it's more than 150%, and that is weird.
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