Date: Wed, 14 Nov 2001 13:21:53 +0000 From: Josh Paetzel <friar_josh@webwarrior.net> To: Ken Menzel <kenm@icarz.com> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: vmstat reports incorrect CPU usage Message-ID: <20011114132153.B91443@twincat.vladsempire.net> In-Reply-To: <021001c16d2f$7f512780$711663cf@icarz.com>; from kenm@icarz.com on Wed, Nov 14, 2001 at 12:12:10PM -0500 References: <021001c16d2f$7f512780$711663cf@icarz.com>
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On Wed, Nov 14, 2001 at 12:12:10PM -0500, Ken Menzel wrote: > I am having a problem with vmstat reporting what appear to be > incorrect CPU usage values on all my servers. I only use vmstat in > scripts so I did not notice until recently. I see an Open PR ( > http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/30360 ) but I am not > sure this is the same problem as I see a problem on both single and > multiple CPU's. Before I go chasing a ghost, does any one else see a > difference between CPU usage reported by 'top' and that reported by > 'vmstat'. If so is it possible that this is not a bug but a > difference in expected behavior of vmstat? Or is it possible vmstat > is broke? 'top' appears to report usage figures I would expect. > Thanks for any help. > > Ken Well, top reports instantanious figures. vmstats reports stats since the last reboot. If you run vmstat -c -w1 all of the reports after the first one will match what top is giving you. Josh To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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