Date: Sat, 23 Feb 2008 03:10:47 +0000 From: Hugo Silva <hugo@barafranca.com> To: freebsd-current@FreeBSD.ORG Cc: Kris Kennaway <kris@FreeBSD.org> Subject: Re: cpu usage in 7.0 Message-ID: <47BF8EB7.9090007@barafranca.com> In-Reply-To: <47BF5702.3020204@FreeBSD.org> References: <845250.18624.qm@web63909.mail.re1.yahoo.com> <47BF5702.3020204@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Kris Kennaway wrote: > Barney Cordoba wrote: >> I have a dual core system running 7.0 and I can't get >> top to show more than 100% usage no matter how I >> hammer it. My MAC shows over 100% often, but its not >> clear if top is averaging the 2 cpus or just not going >> over 100, or just showing 1 of the cpus. > > 100% in FreeBSD means "all of your CPUs are completely active". It is > hard to exceed this amount :-) You should see my production mysql going over 458% on service startup, on a quad core server :-) > >> Is there any way to show the per-cpu usage to get an >> idea of the overall efficiency of sharing? Are there >> any tools that can be used to monitor this? What >> exactly is top showing? > > Not in 7.0. 8.0 supports top -P and vmstat -P > > Kris 11 root 1 171 ki31 0K 16K CPU3 3 81.1H 100.00% idle: cpu3 12 root 1 171 ki31 0K 16K CPU2 2 81.0H 100.00% idle: cpu2 13 root 1 171 ki31 0K 16K CPU1 1 80.9H 100.00% idle: cpu1 14 root 1 171 ki31 0K 16K RUN 0 80.3H 100.00% idle: cpu0 top -S (7.0-RC2) > > _______________________________________________ > 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"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?47BF8EB7.9090007>