From: Lee Revell <rlrevell@joe-job.com>
To: rostedt@goodmis.org
Cc: Andrew Morton <akpm@osdl.org>,
mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: [patch 0/3] j_state_lock, j_list_lock, remove-bitlocks
Date: Thu, 17 Mar 2005 10:41:22 -0500 [thread overview]
Message-ID: <1111074082.23171.8.camel@mindpipe> (raw)
In-Reply-To: <Pine.LNX.4.58.0503170210530.17019@localhost.localdomain>
On Thu, 2005-03-17 at 02:15 -0500, Steven Rostedt wrote:
>
> On Wed, 16 Mar 2005, Lee Revell wrote:
>
> > I am a bit confused, big surprise. Does this thread still have anything
> > to do with this trace from my "Latency regressions" bug report?
>
> Don't worry, I've been in a state of confusion for a long time now ;-)
>
> >
> > http://www.alsa-project.org/~rlrevell/2912us
> >
> > The problem only is apparent with PREEMPT_DESKTOP and "data=ordered".
> >
> > PREEMPT_RT has always worked perfectly.
> >
>
> I'm surprise that PREEMPT_RT does work. I'm no longer sure that this does
> affect your latency anymore. It probably does indirectly somehow. I
> still think it has to do with the bitspinlocks. But I'm not sure. Just
> let me know if you want to be taken off this thread and I'll remove you
> from my CC list. Until then, I'll keep you on.
Sorry, it's hard to follow this thread. Just to make sure we're all on
the same page, what exactly is the symptom of this ext3 issue you are
working on? Is it a performance regression, or a latency issue, or a
lockup - ?
Whatever your problem is, I am not seeing it.
Lee
next prev parent reply other threads:[~2005-03-17 15:41 UTC|newest]
Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-04 10:03 [patch] Real-Time Preemption, -RT-2.6.11-rc3-V0.7.38-01 Ingo Molnar
2005-02-04 15:19 ` Kevin Hilman
2005-02-04 17:30 ` Ingo Molnar
2005-02-04 18:19 ` Tom Rini
2005-02-07 9:03 ` Ingo Molnar
2005-02-07 14:35 ` Tom Rini
2005-02-08 8:27 ` Ingo Molnar
2005-02-06 4:19 ` Valdis.Kletnieks
2005-02-07 9:21 ` Ingo Molnar
2005-02-07 15:08 ` Real-Time Preemption and UML? Esben Nielsen
2005-02-07 18:35 ` Jeff Dike
2005-02-07 23:14 ` Esben Nielsen
2005-02-08 8:39 ` Ingo Molnar
2005-02-08 18:55 ` Jeff Dike
2005-02-08 21:20 ` Esben Nielsen
2005-02-08 21:44 ` Ingo Molnar
2005-02-08 23:02 ` Esben Nielsen
2005-02-08 7:55 ` [patch] Real-Time Preemption, -RT-2.6.11-rc3-V0.7.38-01 Valdis.Kletnieks
2005-02-08 8:45 ` Ingo Molnar
2005-02-08 10:26 ` Valdis.Kletnieks
2005-02-08 21:58 ` William Weston
2005-02-09 11:51 ` Ingo Molnar
2005-02-10 2:13 ` William Weston
2005-02-10 7:52 ` Ingo Molnar
2005-02-10 20:21 ` George Anzinger
2005-02-10 20:40 ` Ingo Molnar
2005-02-10 21:05 ` George Anzinger
2005-02-11 8:34 ` Ingo Molnar
2005-02-11 9:38 ` Sven Dietrich
2005-02-11 9:42 ` Ingo Molnar
2005-02-11 0:09 ` Sven Dietrich
2005-02-11 6:01 ` George Anzinger
2005-02-11 8:28 ` Ingo Molnar
2005-02-11 9:53 ` Sven Dietrich
2005-02-11 10:04 ` Ingo Molnar
2005-02-11 21:49 ` Steven Rostedt
2005-02-13 12:59 ` Ingo Molnar
2005-02-13 15:11 ` Steven Rostedt
2005-03-03 19:36 ` [patch] Real-Time Preemption, deactivate() scheduling issue Eugeny S. Mints
2005-03-03 22:32 ` Esben Nielsen
2005-03-04 11:56 ` Eugeny S. Mints
2005-03-04 15:45 ` George Anzinger
2005-03-29 8:45 ` Ingo Molnar
2005-02-09 12:48 ` [patch] Real-Time Preemption, -RT-2.6.11-rc3-V0.7.38-01 Stephen Smalley
2005-02-10 2:20 ` William Weston
2005-02-19 5:08 ` Lee Revell
2005-02-19 6:47 ` Lee Revell
2005-02-19 9:00 ` Ingo Molnar
2005-02-19 9:03 ` Ingo Molnar
2005-02-19 20:45 ` Lee Revell
2005-02-20 0:19 ` Lee Revell
2005-03-17 16:33 ` Lee Revell
2005-02-23 2:22 ` Lee Revell
2005-03-10 9:37 ` Steven Rostedt
2005-03-10 9:54 ` Steven Rostedt
2005-03-11 9:57 ` Ingo Molnar
2005-03-11 10:15 ` Steven Rostedt
2005-03-11 10:17 ` Ingo Molnar
2005-03-11 10:24 ` Steven Rostedt
2005-03-11 10:43 ` Andrew Morton
2005-03-11 10:53 ` Steven Rostedt
2005-03-11 14:40 ` Steven Rostedt
2005-03-11 15:08 ` Steven Rostedt
2005-03-11 15:30 ` K.R. Foley
2005-03-11 15:38 ` Ingo Molnar
2005-03-11 16:01 ` Steven Rostedt
2005-03-11 20:39 ` Steven Rostedt
2005-03-11 20:46 ` Lee Revell
2005-03-11 22:06 ` Lee Revell
2005-03-14 7:37 ` Steven Rostedt
2005-03-14 9:33 ` Steven Rostedt
2005-03-14 10:10 ` Steven Rostedt
2005-03-14 15:50 ` Steven Rostedt
2005-03-14 19:02 ` Steven Rostedt
2005-03-15 11:44 ` Steven Rostedt
2005-03-15 12:00 ` Ingo Molnar
2005-03-15 13:07 ` Steven Rostedt
2005-03-15 13:35 ` Ingo Molnar
2005-03-15 13:55 ` Steven Rostedt
2005-03-15 19:12 ` Andrew Morton
2005-03-15 18:05 ` Steven Rostedt
2005-03-15 19:09 ` Lee Revell
2005-03-16 7:50 ` Steven Rostedt
2005-03-16 18:21 ` Lee Revell
2005-03-16 7:31 ` Steven Rostedt
2005-03-16 8:50 ` Ingo Molnar
2005-03-16 9:15 ` Andrew Morton
2005-03-16 9:51 ` [patch 0/3] j_state_lock, j_list_lock, remove-bitlocks Ingo Molnar
2005-03-16 9:53 ` [patch 1/3] j_state_lock -> j_state_sem Ingo Molnar
2005-03-16 9:53 ` [patch 2/3] j_list_lock -> j_list_sem Ingo Molnar
2005-03-16 9:57 ` [patch 3/3] remove bitlocks Ingo Molnar
2005-03-16 10:04 ` [patch 0/3] j_state_lock, j_list_lock, remove-bitlocks Andrew Morton
2005-03-16 10:12 ` Ingo Molnar
2005-03-16 10:23 ` Steven Rostedt
2005-03-16 10:26 ` Ingo Molnar
2005-03-16 10:26 ` Andrew Morton
2005-03-16 10:29 ` Ingo Molnar
2005-03-16 10:41 ` Andrew Morton
2005-03-16 10:34 ` Arjan van de Ven
2005-03-16 10:19 ` Ingo Molnar
2005-03-16 10:40 ` Andrew Morton
2005-03-16 10:51 ` Ingo Molnar
2005-03-16 11:05 ` Steven Rostedt
2005-03-16 11:19 ` Andrew Morton
2005-03-16 14:04 ` Steven Rostedt
2005-03-16 16:47 ` Steven Rostedt
2005-03-16 17:47 ` Steven Rostedt
2005-03-16 19:20 ` Lee Revell
2005-03-17 7:15 ` Steven Rostedt
2005-03-17 15:41 ` Lee Revell [this message]
2005-03-17 16:23 ` Steven Rostedt
2005-03-17 16:36 ` Lee Revell
2005-03-18 6:58 ` Steven Rostedt
2005-03-18 18:19 ` Lee Revell
2005-03-16 21:15 ` Andrew Morton
2005-03-17 9:21 ` Steven Rostedt
2005-03-18 9:23 ` [PATCH] remove lame schedule in journal inverted_lock (was: Re: [patch 0/3] j_state_lock, j_list_lock, remove-bitlocks) Steven Rostedt
2005-03-18 9:32 ` Andrew Morton
2005-03-18 10:38 ` Steven Rostedt
2005-03-18 11:07 ` Andrew Morton
2005-03-18 12:10 ` Steven Rostedt
2005-03-17 9:58 ` [patch 0/3] j_state_lock, j_list_lock, remove-bitlocks Steven Rostedt
2005-03-11 9:28 ` [patch] Real-Time Preemption, -RT-2.6.11-final-V0.7.40-00 Ingo Molnar
2005-03-11 12:10 ` Andrew Walrond
2005-03-14 20:19 ` Tom Rini
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