Date: Sun, 24 Feb 2008 15:59:49 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Tigger <tigger@lvlworld.com> Cc: freebsd-questions@freebsd.org Subject: Re: Dual core CPU's, but only 2 CPU's in-use? Message-ID: <47C18665.9050600@FreeBSD.org> In-Reply-To: <20080224230744.50539c03@piglet> References: <20080224110010.GA4447@edward.lilypie.com> <47C1590F.3020605@bsdforen.de> <20080224230744.50539c03@piglet>
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Tigger wrote: > On Sun, 24 Feb 2008 12:46:23 +0100 > Dominic Fandrey <kamikaze@bsdforen.de> wrote: > >> Tigger wrote: >>> Hello. I have a Xeon system with 2 CPU's installed (dual-cores). >>> Under FreeBSD 6.2, a systat reported 4 CPUs in use and so did >>> dmesg. >>> >>> Under FreeBSD 6.3, dmesg is reporting the 4 CPUs, but systat is only >>> reporting 2 CPUs (CPU 0 and CPU 2). >>> >>> How do I enabled the second cores on the CPU's or are they really >>> running but systat is not reporting the CPU load across the cores? >> You can run 'top -S' to check how many idle processes exist. If there >> are four, everything is fine. >> > > > Sadly, no luck. Only cpu0 and cpu2 are reported: > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU > COMMAND 11 root 1 171 52 0K 8K CPU2 2 143:43 92.38% > idle: cpu2 13 root 1 171 52 0K 8K RUN 0 142:33 > 92.04% idle: cpu0 Are your CPUs really dual-core, or single core + hyperthreaded? Kris
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