Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932357AbWAFAqh (ORCPT ); Thu, 5 Jan 2006 19:46:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932359AbWAFAqh (ORCPT ); Thu, 5 Jan 2006 19:46:37 -0500 Received: from mustang.oldcity.dca.net ([216.158.38.3]:10715 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S932357AbWAFAqf (ORCPT ); Thu, 5 Jan 2006 19:46:35 -0500 Subject: Re: 2.6.15-rc7-rt1 From: Lee Revell To: Mark Knecht Cc: Steven Rostedt , Jan Engelhardt , john stultz , Linux Kernel Mailing List , Ingo Molnar , Thomas Gleixner In-Reply-To: <5bdc1c8b0601051643m1d8cf0b5k8abc6697e281ffb7@mail.gmail.com> References: <20051228172643.GA26741@elte.hu> <1136051113.6039.109.camel@localhost.localdomain> <1136054936.6039.125.camel@localhost.localdomain> <5bdc1c8b0601010719h40f2393cu85bae52fef35c1d2@mail.gmail.com> <1136205719.6039.156.camel@localhost.localdomain> <5bdc1c8b0601051133g6ed0b3b4ob699d65e4a12b699@mail.gmail.com> <1136492165.847.9.camel@mindpipe> <5bdc1c8b0601051258j3bfc390bsa770ddf6506d2deb@mail.gmail.com> <5bdc1c8b0601051643m1d8cf0b5k8abc6697e281ffb7@mail.gmail.com> Content-Type: text/plain Date: Thu, 05 Jan 2006 19:46:33 -0500 Message-Id: <1136508393.12482.3.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 Content-Length: 1367 Lines: 38 On Thu, 2006-01-05 at 16:43 -0800, Mark Knecht wrote: > On 1/5/06, Mark Knecht wrote: > > On 1/5/06, Lee Revell wrote: > > > On Thu, 2006-01-05 at 11:33 -0800, Mark Knecht wrote: > > > > I expect that I am probably still getting a low level of xruns. I > > > > hope one day we can make that work a bit better. > > > > > > Were you ever able to get latency tracing to work on your box? > > > > > > Lee > > > > Not yet, due to the power failure and being off line. I'll give it a > > shot this evening. > > > > Does anyone with an AMD64 platform have this working? > > > > Thanks, > > Mark > > > > Hi Lee, > OK, I rebuilt the new kernel (2.6.15-rt2) with latency tracing > enabled. I still get xruns when running Jack and Aqualung. The tracing > doesn't show anything new although I do have the IRQ off tracing > turned on and don't see the long timer delays that Iused to see. > > What the following shows is that I have a 14uS delay before Yeah 14 usec is nothing, I think we've established that this isn't a kernel problem. We should take it to the JACK list. Lee - 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/