Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266066AbTGLPfW (ORCPT ); Sat, 12 Jul 2003 11:35:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266068AbTGLPfW (ORCPT ); Sat, 12 Jul 2003 11:35:22 -0400 Received: from mail.jlokier.co.uk ([81.29.64.88]:56211 "EHLO mail.jlokier.co.uk") by vger.kernel.org with ESMTP id S266066AbTGLPfT (ORCPT ); Sat, 12 Jul 2003 11:35:19 -0400 Date: Sat, 12 Jul 2003 16:49:42 +0100 From: Jamie Lokier To: Davide Libenzi Cc: Miguel Freitas , Linux Kernel Mailing List Subject: Re: [patch] SCHED_SOFTRR linux scheduler policy ... Message-ID: <20030712154942.GB9547@mail.jlokier.co.uk> References: <1058017391.1197.24.camel@mf> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 655 Lines: 15 Davide Libenzi wrote: > With the current patch you do not need any special support if you are > already asking for SCHED_RR policy. If you are not root you will be > automatically downgraded to SCHED_SOFTRR ;) Cool. What happens if you run two SCHED_SOFTRR tasks and they both use 50% of the CPU - will that starve all the other tasks? Or is the CPU usage of all SOFTRR tasks bounded collectively? -- Jamie - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/