From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264096AbUEXHcz (ORCPT ); Mon, 24 May 2004 03:32:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264117AbUEXHcz (ORCPT ); Mon, 24 May 2004 03:32:55 -0400 Received: from mx1.elte.hu ([157.181.1.137]:22674 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S264113AbUEXHcs (ORCPT ); Mon, 24 May 2004 03:32:48 -0400 Date: Mon, 24 May 2004 11:34:07 +0200 From: Ingo Molnar To: Nick Piggin Cc: Con Kolivas , Billy Biggs , Kernel Mailing List Subject: Re: tvtime and the Linux 2.6 scheduler Message-ID: <20040524093407.GB26715@elte.hu> References: <20040523154859.GC22399@dumbterm.net> <200405240254.20171.kernel@kolivas.org> <20040524084334.GB24967@elte.hu> <40B19D15.1090105@yahoo.com.au> <20040524091243.GB26183@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040524091243.GB26183@elte.hu> User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.26.8-itk2 (ELTE 1.1) SpamAssassin 2.63 ClamAV 0.65 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Ingo Molnar wrote: > you mean the spurious 'queue to end of prio-queue' bug noticed by Joe > Korty? tvtime should not be affected by this one. This bug only hits > if there are multiple SCHED_FIFO tasks on the same priority level - > tvtime is a single-process application. i checked out the source and it uses multiple threads if recording is done to disk - but the disk writer thread is at normal priority, only the capture thread is using SCHED_FIFO. Ingo