From: Florian Schmidt <mista.tapas@gmx.net>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, Lee Revell <rlrevell@joe-job.com>,
"K.R. Foley" <kr@cybsft.com>, Rui Nuno Capela <rncbc@rncbc.org>,
Mark_H_Johnson@raytheon.com,
Fernando Pablo Lopez-Lezcano <nando@ccrma.Stanford.EDU>
Subject: Re: [patch] voluntary-preempt-2.6.9-rc3-mm3-T3
Date: Sat, 9 Oct 2004 20:16:16 +0200 [thread overview]
Message-ID: <20041009201616.5e0d2f8e@mango.fruits.de> (raw)
In-Reply-To: <20041007105230.GA17411@elte.hu>
On Thu, 7 Oct 2004 12:52:30 +0200
Ingo Molnar <mingo@elte.hu> wrote:
>
> i've released the -T3 VP patch:
>
> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc3-mm3-T3
Hi,
i just wanted to report that audio usage has been become quite a bit worse
when compared to T1. I get more xruns (40 to 80 per night as opposed to 5 to
10 on T1), RT apps like ardour seem to be much more unstable with T3 than T1
(ardour gets kicked off the jack graph regularly at 64 frames on T3 which
doesn't happen with T1).
This goes together with a general increase of > 200us non preempt. crit.
sect. which were very seldom in T1 (at loeast for the work i do) but appear
rather regularly in T3.
Flo
P.S.: Are there tools available which can check the "correctness" of the
interplay of nptl libc and kernel wrt to threading? Especially when it comes
to wakeup order of blocking threads in different scheduler classes and with
different priorities.
next prev parent reply other threads:[~2004-10-09 18:01 UTC|newest]
Thread overview: 226+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040903120957.00665413@mango.fruits.de>
[not found] ` <20040903100946.GA22819@elte.hu>
[not found] ` <20040903123139.565c806b@mango.fruits.de>
2004-09-03 10:32 ` lockup with voluntary preempt R0 and VP, KP, etc, disabled Ingo Molnar
2004-09-03 11:59 ` Florian Schmidt
2004-09-03 11:55 ` Ingo Molnar
2004-09-03 13:01 ` Florian Schmidt
2004-09-03 12:04 ` Florian Schmidt
2004-09-03 12:08 ` Florian Schmidt
2004-09-03 18:28 ` Lee Revell
2004-09-03 18:54 ` Florian Schmidt
2004-09-03 18:52 ` Lee Revell
2004-09-03 19:06 ` K.R. Foley
2004-09-04 19:51 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R4 Ingo Molnar
2004-09-05 14:02 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R5 Ingo Molnar
2004-09-05 16:07 ` Matt Heler
2004-09-05 18:16 ` Lee Revell
2004-09-05 19:12 ` Ingo Molnar
2004-09-05 21:03 ` Lee Revell
2004-09-06 6:30 ` Ingo Molnar
2004-09-06 7:44 ` Lee Revell
2004-09-07 3:17 ` K.R. Foley
2004-09-06 11:06 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R6 Ingo Molnar
2004-09-06 11:48 ` Rafael J. Wysocki
2004-09-06 12:25 ` Alexander Nyberg
2004-09-06 12:29 ` Ingo Molnar
2004-09-07 9:26 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R7 Ingo Molnar
2004-09-07 11:57 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R8 Ingo Molnar
2004-09-07 14:50 ` Alexander Nyberg
2004-09-07 15:04 ` Ingo Molnar
2004-09-07 15:29 ` Alexander Nyberg
2004-09-07 19:56 ` Rafael J. Wysocki
2004-09-07 22:59 ` Lee Revell
2004-09-08 8:20 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R9 Ingo Molnar
2004-09-08 9:46 ` Rafael J. Wysocki
2004-09-08 9:56 ` Ingo Molnar
2004-09-08 22:37 ` Lee Revell
2004-09-09 6:17 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-S0 Ingo Molnar
2004-09-09 19:30 ` Lee Revell
2004-09-09 20:23 ` Lee Revell
2004-09-19 12:26 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S1 Ingo Molnar
2004-09-19 17:05 ` Felipe Alfaro Solana
2004-09-20 17:14 ` K.R. Foley
2004-09-20 19:48 ` Ingo Molnar
2004-09-21 2:25 ` K.R. Foley
2004-09-20 19:47 ` Magnus Määttä
2004-09-21 2:07 ` BKL backtraces - was: " K.R. Foley
2004-09-21 7:18 ` Ingo Molnar
2004-09-21 7:44 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S2 Ingo Molnar
2004-09-21 18:51 ` K.R. Foley
2004-09-22 10:33 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S3 Ingo Molnar
2004-09-22 15:07 ` K.R. Foley
2004-09-22 17:16 ` Lee Revell
2004-09-22 17:40 ` K.R. Foley
2004-09-22 19:45 ` Ingo Molnar
2004-09-22 17:09 ` K.R. Foley
2004-09-22 19:08 ` Lee Revell
2004-09-23 1:13 ` Lee Revell
2004-09-23 12:28 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S4 Ingo Molnar
2004-09-23 12:57 ` Norberto Bensa
2004-09-23 13:01 ` Ingo Molnar
2004-09-23 13:07 ` Ingo Molnar
2004-09-23 13:09 ` Ingo Molnar
2004-09-23 16:46 ` Norberto Bensa
2004-09-23 17:13 ` Norberto Bensa
2004-09-23 18:20 ` Ingo Molnar
2004-09-23 13:35 ` Rui Nuno Capela
2004-09-23 13:40 ` Ingo Molnar
2004-09-23 16:23 ` Rui Nuno Capela
2004-09-23 18:07 ` Rui Nuno Capela
2004-09-24 12:43 ` OHCI_QUIRK_INITRESET (was: 2.6.9-rc2-mm2 ohci_hcd doesn't work) Rui Nuno Capela
2004-09-24 12:55 ` Ingo Molnar
2004-09-24 14:00 ` Rui Nuno Capela
2004-09-24 16:16 ` Bjorn Helgaas
2004-09-25 23:37 ` David Brownell
2004-09-26 13:09 ` Rui Nuno Capela
2004-09-27 15:11 ` Bjorn Helgaas
2004-09-23 21:12 ` [patch] voluntary-preempt-2.6.9-rc2-mm3-S5 Ingo Molnar
2004-09-24 0:32 ` Rui Nuno Capela
2004-09-24 2:22 ` K.R. Foley
2004-09-24 3:30 ` K.R. Foley
2004-09-24 7:40 ` Ingo Molnar
2004-09-24 11:05 ` K.R. Foley
2004-09-24 11:45 ` Ingo Molnar
2004-09-24 7:44 ` [patch] voluntary-preempt-2.6.9-rc2-mm3-S6 Ingo Molnar
2004-09-28 0:05 ` [patch] voluntary-preempt-2.6.9-rc2-mm4-S7 Ingo Molnar
2004-09-28 20:17 ` Rui Nuno Capela
2004-09-28 21:03 ` Rui Nuno Capela
2004-09-28 21:46 ` Rui Nuno Capela
2004-09-28 22:01 ` Matt Heler
2004-09-29 17:43 ` Lee Revell
2004-09-29 18:40 ` Lee Revell
2004-09-29 20:30 ` Ingo Molnar
2004-09-29 20:34 ` Lee Revell
2004-10-02 3:02 ` Lee Revell
2004-10-02 9:50 ` Ingo Molnar
2004-10-03 2:01 ` Lee Revell
2004-10-03 2:14 ` Lee Revell
2004-10-03 2:19 ` Lee Revell
2004-10-03 20:08 ` Ingo Molnar
2004-10-03 6:37 ` Lee Revell
2004-10-03 6:50 ` Lee Revell
2004-10-03 7:06 ` Lee Revell
2004-10-03 19:57 ` Ingo Molnar
2004-10-04 0:53 ` Lee Revell
2004-10-04 10:17 ` Ingo Molnar
2004-10-04 17:20 ` Lee Revell
2004-10-03 20:05 ` Ingo Molnar
2004-10-03 21:09 ` [patch] voluntary-preempt-2.6.9-rc3-mm1-S8 Ingo Molnar
2004-10-04 21:53 ` [patch] voluntary-preempt-2.6.9-rc3-mm1-S9 Ingo Molnar
2004-10-05 0:31 ` Lee Revell
2004-10-05 0:56 ` Florian Schmidt
2004-10-05 0:45 ` Lee Revell
2004-10-05 0:38 ` Andrew Rodland
2004-10-05 1:19 ` Rui Nuno Capela
2004-10-05 5:32 ` Peter Williams
2004-10-05 6:38 ` Ingo Molnar
2004-10-05 1:42 ` Florian Schmidt
2004-10-05 2:05 ` Florian Schmidt
2004-10-05 3:09 ` Andrew Rodland
2004-10-05 10:24 ` Florian Schmidt
2004-10-05 7:02 ` [patch] voluntary-preempt-2.6.9-rc3-mm2-T0 Ingo Molnar
2004-10-05 11:11 ` Rui Nuno Capela
2004-10-05 11:17 ` Ingo Molnar
2004-10-05 12:07 ` Hugh Dickins
2004-10-05 11:12 ` Florian Schmidt
2004-10-05 11:03 ` Ingo Molnar
2004-10-05 11:14 ` Rui Nuno Capela
2004-10-05 11:16 ` Ingo Molnar
2004-10-05 13:47 ` [patch] voluntary-preempt-2.6.9-rc3-mm2-T1 Ingo Molnar
2004-10-05 16:37 ` Rui Nuno Capela
2004-10-05 18:42 ` Ingo Molnar
2004-10-05 19:38 ` Rui Nuno Capela
2004-10-05 19:44 ` Ingo Molnar
2004-10-05 20:01 ` Rui Nuno Capela
2004-10-06 0:12 ` Lee Revell
2004-10-06 7:51 ` Ingo Molnar
2004-10-07 10:52 ` [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Ingo Molnar
[not found] ` <20041007134116.3e53b239.h.mth@web.de>
2004-10-07 11:44 ` Ingo Molnar
2004-10-07 12:08 ` Hanno Meyer-Thurow
2004-10-07 12:16 ` Rui Nuno Capela
2004-10-07 13:53 ` Rui Nuno Capela
2004-10-07 14:13 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-07 23:26 ` [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Rui Nuno Capela
2004-10-08 5:36 ` Lee Revell
2004-10-08 6:49 ` Con Kolivas
2004-10-08 18:05 ` Lee Revell
2004-10-08 7:06 ` Ingo Molnar
2004-10-08 7:36 ` Peter Williams
2004-10-08 17:27 ` Lee Revell
2004-10-07 17:55 ` K.R. Foley
2004-10-07 20:29 ` K.R. Foley
2004-10-07 21:55 ` Ingo Molnar
2004-10-08 1:41 ` K.R. Foley
2004-10-08 7:02 ` Ingo Molnar
2004-10-08 14:03 ` K.R. Foley
2004-10-08 14:28 ` Ingo Molnar
2004-10-08 21:14 ` Lee Revell
2004-10-08 23:11 ` Lee Revell
2004-10-09 4:16 ` Lee Revell
2004-10-09 4:57 ` Lee Revell
2004-10-09 5:09 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-09 5:21 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Lee Revell
2004-10-09 5:23 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-09 5:31 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Lee Revell
2004-10-09 5:34 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Con Kolivas
2004-10-09 5:50 ` Preemption model (was Re: voluntary-preempt-2.6.9-rc3-mm3-T3) Lee Revell
2004-10-09 5:53 ` Con Kolivas
2004-10-09 10:46 ` voluntary-preempt-2.6.9-rc3-mm3-T3 Ingo Molnar
2004-10-09 13:21 ` voluntary-preempt-2.6.9-rc3-mm3-T3 K.R. Foley
2004-10-09 18:16 ` Florian Schmidt [this message]
2004-10-11 14:29 ` [patch] CONFIG_PREEMPT_REALTIME, 'Fully Preemptible Kernel', VP-2.6.9-rc4-mm1-T4 Ingo Molnar
2004-10-11 17:48 ` Florian Schmidt
2004-10-11 21:22 ` Rui Nuno Capela
2004-10-11 21:37 ` Lee Revell
2004-10-12 4:30 ` [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Lee Revell
2004-10-12 9:17 ` Ingo Molnar
2004-10-13 16:52 ` Lee Revell
2004-10-13 16:48 ` Lee Revell
2004-10-08 11:16 ` [patch] voluntary-preempt-2.6.9-rc3-mm2-T1 William Lee Irwin III
2004-09-22 17:30 ` Oops in __posix_lock_file was:Re: [patch] voluntary-preempt-2.6.9-rc2-mm1-S2 K.R. Foley
2004-09-22 19:43 ` Ingo Molnar
2004-09-21 18:24 ` [patch] voluntary-preempt-2.6.9-rc2-mm1-S1 K.R. Foley
2004-09-21 19:21 ` Ingo Molnar
2004-09-21 19:37 ` K.R. Foley
2004-09-08 6:56 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R6 Lee Revell
2004-09-09 19:29 ` Ingo Molnar
2004-09-09 19:33 ` Lee Revell
2004-09-09 20:43 ` Lee Revell
2004-09-09 20:51 ` Ingo Molnar
2004-09-09 21:03 ` Scott Wood
2004-09-09 20:05 ` Andrew Morton
2004-09-09 20:09 ` Alan Cox
2004-09-09 21:28 ` Andrew Morton
2004-09-09 22:45 ` William Lee Irwin III
2004-09-09 22:11 ` Alan Cox
2004-09-09 23:20 ` William Lee Irwin III
2004-09-10 13:28 ` Ingo Molnar
2004-09-10 14:28 ` Paolo Ciarrocchi
2004-09-10 16:45 ` Lee Revell
2004-09-10 22:54 ` Lee Revell
2004-09-11 0:21 ` K.R. Foley
2004-09-09 20:13 ` Lee Revell
2004-09-22 0:17 ` William Lee Irwin III
2004-09-07 22:55 ` [patch] voluntary-preempt-2.6.9-rc1-bk12-R5 Lee Revell
2004-09-07 23:13 ` Lee Revell
2004-09-07 23:58 ` Rui Nuno Capela
2004-09-08 8:23 ` Ingo Molnar
2004-09-08 8:31 ` Ingo Molnar
2004-09-09 11:09 ` Rui Nuno Capela
2004-09-15 1:16 ` Lee Revell
2004-09-15 9:29 ` Rui Nuno Capela
2004-09-15 9:38 ` Ingo Molnar
2004-09-15 9:53 ` Rui Nuno Capela
2004-09-15 10:00 ` Ingo Molnar
2004-09-15 10:35 ` Rui Nuno Capela
2004-09-25 19:26 ` Lee Revell
2004-09-25 20:38 ` Ingo Molnar
2004-09-25 20:40 ` Lee Revell
2004-09-25 20:50 ` Duncan Sands
2004-09-25 23:54 ` Lee Revell
2004-09-26 13:42 ` Rui Nuno Capela
2004-09-08 8:46 ` Rui Nuno Capela
2004-09-08 8:52 ` Ingo Molnar
2004-09-05 14:49 ` [patch] voluntary-preempt-2.6.9-rc1-bk4-R4 Florian Schmidt
2004-09-05 14:53 ` K.R. Foley
2004-10-07 16:55 [patch] voluntary-preempt-2.6.9-rc3-mm3-T3 Mark_H_Johnson
2004-10-08 17:07 Mark_H_Johnson
2004-10-08 23:48 Sid Boyce
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