Date: Tue, 15 Aug 2006 12:27:28 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Mike Jakubik <mikej@rogers.com> Cc: stable@freebsd.org Subject: Re: TOP shows above 100% WCPU usage Message-ID: <20060815172728.GB88051@dan.emsphone.com> In-Reply-To: <44E1F796.5070105@rogers.com> References: <44E1F796.5070105@rogers.com>
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In the last episode (Aug 15), Mike Jakubik said: > 35 processes: 7 running, 28 sleeping > CPU states: 58.1% user, 0.0% nice, 38.4% system, 1.1% interrupt, 2.4% idle > Mem: 642M Active, 416M Inact, 125M Wired, 112M Buf, 825M Free > Swap: 4071M Total, 4071M Free > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND > 465 mysql 18 20 0 905M 641M kserel 0 39:18 160.64% mysqld > 631 root 1 96 0 2424K 1668K CPU1 0 0:02 0.00% top > > How can mysql use 160%? Is this a reporting bug in top because mysql is > threaded? You have multiple CPUs, so a threaded process can theoretically reach 100*ncpus cpu usage. -- Dan Nelson dnelson@allantgroup.com
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