Date: Tue, 16 Oct 2001 14:16:21 +0200 (SAT) From: John Hay <jhay@icomtek.csir.co.za> To: matt-sykes@excite.com (Matt Sykes) Cc: freebsd-questions@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG Subject: Re: 0.00% CPU for all processes Message-ID: <200110161216.f9GCGL329767@zibbi.icomtek.csir.co.za> In-Reply-To: <19663931.1003184867692.JavaMail.imail@patti.excite.com> from Matt Sykes at "Oct 15, 2001 03:27:47 pm"
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> > > Looks like it works! > > > > > > In top, cvsup gradually comes up to about 40%, stays there a while, > > > then disappears (I couldn't think of another longish process to test > > > with). I guess that's correct. Before it would start at 2% then > > > quickly go back to 0%. > > > > > > dmesg says "Timecounter 'PIIX' frequency 3579545"; I guess that's > > > alright. > > > > > > One thing which surprises me, though --- all other processes are zero. > > > Is this normal? This is my first time seeing FreeBSD run. I have an > > > identical box here running linux (and each box runs a minimum of > > > services), where at least top will show nonzero CPU percentage in top, > > > usually around 0.5%. Does linux have more fine-grained timing, or is > > > it cheating, or does the margin of error render this test essentially > > > meaningless anyway? > > > > It's not unusual to see most of your processes at 0.00% in FreeBSD. > > > > >From the answers I've recieved, seems I wasn't clear enough. > I know that most of idle processes should be zero --- my > point is that top should show up in top, and since it does > in linux and with other FreeBSD top outputs I've seen, this > leads me to believe my kernel timer is still broken (and > it works on this same box running linux). > So do something like "cat /dev/zero | md5" and see if it show you something. Around here top is pretty quiet: 39815 root 96 0 2024K 1032K CPU1 0 0:00 0.00% 0.00% top 57045 jhay 96 0 2028K 768K select 1 3:06 0.00% 0.00% top 23617 jhay 28 0 2076K 544K RUN 19.8H 0.00% 0.00% top John -- John Hay -- John.Hay@icomtek.csir.co.za To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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