From owner-freebsd-current Sun Sep 17 5:33:37 2000 Delivered-To: freebsd-current@freebsd.org Received: from mout0.freenet.de (mout0.freenet.de [194.97.50.131]) by hub.freebsd.org (Postfix) with ESMTP id 8EF2337B422; Sun, 17 Sep 2000 05:33:31 -0700 (PDT) Received: from [194.97.50.136] (helo=mx3.freenet.de) by mout0.freenet.de with esmtp (Exim 3.16 #20) id 13addP-0006Eo-00; Sun, 17 Sep 2000 14:33:27 +0200 Received: from a2cd9.pppool.de ([213.6.44.217] helo=Magelan.Leidinger.net) by mx3.freenet.de with esmtp (Exim 3.16 #21) id 13addO-0006JB-00; Sun, 17 Sep 2000 14:33:27 +0200 Received: from Leidinger.net (netchild@localhost [127.0.0.1]) by Magelan.Leidinger.net (8.11.0/8.11.0) with ESMTP id e8H9van02062; Sun, 17 Sep 2000 11:57:37 +0200 (CEST) (envelope-from netchild@Leidinger.net) Message-Id: <200009170957.e8H9van02062@Magelan.Leidinger.net> Date: Sun, 17 Sep 2000 11:57:35 +0200 (CEST) From: Alexander Leidinger Subject: Re: 100% system time? (SMPng on UP system) To: bde@zeta.org.au Cc: current@FreeBSD.ORG, jhb@FreeBSD.ORG In-Reply-To: MIME-Version: 1.0 Content-Type: TEXT/plain; charset=us-ascii Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 17 Sep, Bruce Evans wrote: >> dnetc runns with idprio 31, system cvsupped around Sep 16, 11 CEST from >> a german mirror (it contains the idle fixes: src/sys/kern/kern_idle.c,v >> 1.4), complete build{world,kernel}. >> >> ---snip--- >> last pid: 1666; load averages: 1.10, 1.11, 1.03 up 0+00:51:21 16:54:14 > > Perhaps it really is a system process :-[. idprio on a pure cpu hog prevents > other user processes from running like a system process might do: > > idprio 31 sh -c "while :; do :; done" > > System processes actually hang the entire system until they complete: Are you mixing idprio with rtprio or did I not understand what you explain? Bye, Alexander. -- There's no place like ~ http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = 7423 F3E6 3A7E B334 A9CC B10A 1F5F 130A A638 6E7E To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message