From owner-freebsd-current Mon Mar 24 13:20:47 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1B54E37B401 for ; Mon, 24 Mar 2003 13:20:43 -0800 (PST) Received: from obsecurity.dyndns.org (adsl-63-207-60-150.dsl.lsan03.pacbell.net [63.207.60.150]) by mx1.FreeBSD.org (Postfix) with ESMTP id 780E943F93 for ; Mon, 24 Mar 2003 13:20:42 -0800 (PST) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id 2FEEF66B9B for ; Mon, 24 Mar 2003 13:20:42 -0800 (PST) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id 7058B127A; Mon, 24 Mar 2003 13:20:41 -0800 (PST) Date: Mon, 24 Mar 2003 13:20:40 -0800 From: Kris Kennaway To: current@FreeBSD.org Subject: ACPI using too much CPU on idle system Message-ID: <20030324212040.GF2462@rot13.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gdTfX7fkYsEEjebm" Content-Disposition: inline User-Agent: Mutt/1.4i X-Spam-Status: No, hits=-25.7 required=5.0 tests=AWL,PGP_SIGNATURE_2,USER_AGENT_MUTT autolearn=ham version=2.50 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.50 (1.173-2003-02-20-exp) Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --gdTfX7fkYsEEjebm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable top -S shows the following on my machine: CPU states: 0.8% user, 0.0% nice, 80.3% system, 12.9% interrupt, 6.1% id= le PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND 11 root -16 0 0K 12K RUN 563:23 32.23% 32.23% idle 7 root -84 0 0K 12K actask 1:33 18.51% 18.51% acpi_task2 5 root -84 0 0K 12K actask 1:33 18.21% 18.21% acpi_task0 6 root -84 0 0K 12K actask 1:33 17.82% 17.82% acpi_task1 21 root -68 -187 0K 12K WAIT 0:55 4.98% 4.98% irq9: fxp= 0 atapci0* 17 root -24 -143 0K 12K WAIT 0:06 0.83% 0.83% swi6: acp= itaskq =20 The machine is supposedly idle..no process, disk or network activity, so I can't see any reason for all this kernel CPU activity. What is going on? Is this some kind of software-emulated CPU step-down because ACPI has decided my CPU is too fast? :) Kris --gdTfX7fkYsEEjebm Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+f3akWry0BWjoQKURAswDAJsFbrfby6CcgXEGkCU2WNHd6MjnwgCglLpX QItcIlqbbGORi2z/myOJJpY= =JAYK -----END PGP SIGNATURE----- --gdTfX7fkYsEEjebm-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message