Date: Sat, 08 Jan 2005 15:39:07 +0100 From: Steve Clement <steve@ion.lu> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-amd64@FreeBSD.org Subject: Re: CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2793.01-MHz K8-class CPU) 0% idle? Message-ID: <41DFF08B.9080702@ion.lu> In-Reply-To: <200501051644.38657.jhb@FreeBSD.org> References: <41DB03A3.7070008@ion.lu> <200501051644.38657.jhb@FreeBSD.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 John Baldwin wrote: | | | I can't answer your % idle question, but the hyperthreading thing is because | you aren't using an SMP kernel (one with 'options SMP' in it, note that | GENERIC in 5.x does not have SMP turned on). (The idle process would be | called 'idle: cpu0' if you had an SMP kernel.) | Indeed, I was running a GENERIC Kernel and it lacked SMP support, now all is compiled in and I have a new phenomenon. I am seeing idle variations from 0% up to 50% in a rather cyclical way. HOW can I see what program causes this, top isn't much help but: steve@woodstock steve $ top -btd20s1 |grep idle CPU states: 74.8% user, 0.0% nice, 24.4% system, 0.8% interrupt, 0.0% idle CPU states: 72.4% user, 0.0% nice, 24.9% system, 2.7% interrupt, 0.0% idle CPU states: 71.3% user, 0.0% nice, 20.2% system, 0.8% interrupt, 7.8% idle CPU states: 56.3% user, 0.0% nice, 16.0% system, 2.3% interrupt, 25.4% idle CPU states: 68.5% user, 0.0% nice, 24.9% system, 0.4% interrupt, 6.2% idle CPU states: 72.5% user, 0.0% nice, 27.1% system, 0.4% interrupt, 0.0% idle CPU states: 49.8% user, 0.0% nice, 16.7% system, 1.2% interrupt, 32.3% idle CPU states: 16.0% user, 0.0% nice, 4.7% system, 0.0% interrupt, 79.3% idle CPU states: 30.7% user, 0.0% nice, 10.5% system, 0.8% interrupt, 58.0% idle CPU states: 55.5% user, 0.0% nice, 20.7% system, 0.4% interrupt, 23.4% idle CPU states: 30.7% user, 0.0% nice, 10.9% system, 1.2% interrupt, 57.2% idle CPU states: 45.3% user, 0.0% nice, 9.4% system, 0.8% interrupt, 44.5% idle CPU states: 73.9% user, 0.0% nice, 25.3% system, 0.8% interrupt, 0.0% idle CPU states: 65.9% user, 0.0% nice, 23.3% system, 1.2% interrupt, 9.7% idle CPU states: 21.0% user, 0.0% nice, 7.8% system, 0.4% interrupt, 70.8% idle CPU states: 60.5% user, 0.0% nice, 23.4% system, 1.6% interrupt, 14.5% idle CPU states: 61.5% user, 0.0% nice, 23.7% system, 0.8% interrupt, 14.0% idle CPU states: 54.7% user, 0.0% nice, 20.7% system, 1.6% interrupt, 23.0% idle CPU states: 34.6% user, 0.0% nice, 15.2% system, 0.4% interrupt, 49.8% idle Thanks, Steve C - -- ION Network Solutions Steve Clement Unix System Administrator 209, rue des Romains L-8041 Bertrange Tel: +352 261 276-2 Fax: +352 261 276-9 mailto:steve@ion.lu http://www.ion.lu -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFB3/CKMH8DIBsiCrgRAtCZAJ9yOHtWP+sAI0ExnnEYyuwgBQcPdwCeMNMQ Ubip10eb39H96stvz95tHHo= =wI/V -----END PGP SIGNATURE-----
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