From owner-freebsd-hackers Fri Oct 25 08:35:43 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id IAA27014 for hackers-outgoing; Fri, 25 Oct 1996 08:35:43 -0700 (PDT) Received: from dyson.iquest.net ([198.70.144.127]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id IAA27009 for ; Fri, 25 Oct 1996 08:35:33 -0700 (PDT) Received: (from root@localhost) by dyson.iquest.net (8.8.2/8.6.9) id KAA02790; Fri, 25 Oct 1996 10:33:58 -0500 (EST) From: "John S. Dyson" Message-Id: <199610251533.KAA02790@dyson.iquest.net> Subject: Re: Priorities? To: csubl@csv.warwick.ac.uk (Mr M P Searle) Date: Fri, 25 Oct 1996 10:33:58 -0500 (EST) Cc: hackers@freebsd.org In-Reply-To: <29337.199610251516@crocus.csv.warwick.ac.uk> from "Mr M P Searle" at Oct 25, 96 04:16:10 pm Reply-To: dyson@freebsd.org X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk The rtprio priorities are "hard" and processes running at rtprio are not swapped and always run before normal processes. "Nice" priorities only bias the scheduler. I sometimes play with audio processing, and find that when running X that the system doesn't give enough CPU to processes when moving windows around, etc. Setting the audio processing process with rtprio makes the problems totally go away. John