From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263202AbVGOERW (ORCPT ); Fri, 15 Jul 2005 00:17:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263203AbVGOERW (ORCPT ); Fri, 15 Jul 2005 00:17:22 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:16100 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S263202AbVGOERU (ORCPT ); Fri, 15 Jul 2005 00:17:20 -0400 Subject: Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt From: Lee Revell To: Con Kolivas Cc: Linus Torvalds , Vojtech Pavlik , Arjan van de Ven , dean gaudet , Chris Wedgwood , Andrew Morton , "Brown, Len" , dtor_core@ameritech.net, david.lang@digitalinsight.com, davidsen@tmr.com, linux-kernel@vger.kernel.org, mbligh@mbligh.org, diegocg@gmail.com, azarah@nosferatu.za.org, christoph@lameter.com In-Reply-To: <200507151408.39932.kernel@kolivas.org> References: <1121383050.4535.73.camel@mindpipe> <200507151408.39932.kernel@kolivas.org> Content-Type: text/plain Date: Fri, 15 Jul 2005 00:17:23 -0400 Message-Id: <1121401043.12420.5.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.2.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2005-07-15 at 14:08 +1000, Con Kolivas wrote: > Audio did show slightly larger max latencies but nothing that would be of > significance. > > On video, maximum latencies are only slightly larger at HZ 250, all the > desired cpu was achieved, but the average latency and number of missed > deadlines was significantly higher. Because audio timing is driven by the soundcard interrupt while video, like MIDI, relies heavily on timers. Lee