From owner-freebsd-bugs Fri Jun 25 13: 9:35 1999 Delivered-To: freebsd-bugs@freebsd.org Received: from uni-sb.de (uni-sb.de [134.96.252.33]) by hub.freebsd.org (Postfix) with ESMTP id 9457315095 for ; Fri, 25 Jun 1999 13:09:31 -0700 (PDT) (envelope-from schuerge@wjpserver.CS.Uni-SB.DE) Received: from cs.uni-sb.de (cs.uni-sb.de [134.96.252.31]) by uni-sb.de (8.9.3/1999031900) with ESMTP id WAA13366; Fri, 25 Jun 1999 22:03:07 +0200 (CEST) Received: from wjpserver.cs.uni-sb.de (wjpserver.cs.uni-sb.de [134.96.247.42]) by cs.uni-sb.de (8.9.3/1999031900) with ESMTP id WAA08367; Fri, 25 Jun 1999 22:03:07 +0200 (CEST) Received: (from schuerge@localhost) by wjpserver.cs.uni-sb.de (8.9.3/8.9.3/wjp-SVR4/1999052600) id WAA02199; Fri, 25 Jun 1999 22:03:06 +0200 (MET DST) From: Thomas Schuerger Message-Id: <199906252003.WAA02199@wjpserver.cs.uni-sb.de> Subject: Re: kern/12381: Bad scheduling in FreeBSD In-Reply-To: <13707.930336366@critter.freebsd.dk> from Poul-Henning Kamp at "Jun 25, 1999 08:46:06 pm" To: Poul-Henning Kamp Date: Fri, 25 Jun 1999 22:03:06 +0200 (MET DST) Cc: freebsd-bugs@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL57 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > I think the nice-level only has a very minor effect in FreeBSD, which > > is not what I expect in a Unix environment. What it means is that there is > > no possibility to really run processes "in the background", e.g. sort of > > in the "spare time" of the CPU (these processes still should become active every > > now and then when more important processes are running, completely cutting them > > off would not be what I'd want). Something like an exponential drop off with > > increasing nice-levels would be fine, for example. > > In fact there is a way to do this, look at the rtprio man page. This really works great. Thanks a lot for the hint. Perhaps this requires more notice in the future, for example in the "nice" and "renice" manpages! Ciao, Thomas. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message