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From: Lee Revell <rlrevell@joe-job.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@elte.hu>, Linus Torvalds <torvalds@osdl.org>
Subject: Re: 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables
Date: Wed, 28 Dec 2005 19:00:18 -0500	[thread overview]
Message-ID: <1135814419.7680.13.camel@mindpipe> (raw)
In-Reply-To: <Pine.LNX.4.61.0512282205450.2963@goblin.wat.veritas.com>

On Wed, 2005-12-28 at 22:59 +0000, Hugh Dickins wrote:
> I wish you'd found it at -rc1 time.

Unfortunately this is the kind of thing that only could have been found
with Ingo's latency tracer, and the -rt patch set was not rebased to
2.6.15 until -rc5.

I'm not sure how much work it would be to break out CONFIG_LATENCY_TRACE
as a separate patch.

Thanks for the patch, I'll try it.

Lee




  reply	other threads:[~2005-12-28 23:54 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-27 23:31 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables Lee Revell
2005-12-28  2:46 ` Lee Revell
2005-12-28 22:59 ` Hugh Dickins
2005-12-29  0:00   ` Lee Revell [this message]
2005-12-29  8:22     ` [patch] latency tracer, 2.6.15-rc7 Ingo Molnar
2005-12-29 10:02       ` Dave Jones
2005-12-29 10:17         ` Ingo Molnar
2005-12-29 20:11           ` Lee Revell
2005-12-29 20:26             ` Lee Revell
2005-12-29 20:28               ` Ingo Molnar
2005-12-29 22:18                 ` Lee Revell
2005-12-30  0:08                 ` Grant Coady
2005-12-30  0:18                   ` Lee Revell
2005-12-30  0:42                     ` Grant Coady
2005-12-30  8:09                   ` Ingo Molnar
2005-12-30 16:51                     ` Linus Torvalds
2006-01-02 20:14                       ` Ingo Molnar
2006-01-19  1:49                         ` Lee Revell
2006-01-19  6:17                           ` Lee Revell
2005-12-31  0:20                     ` Grant Coady
2005-12-30  2:16                 ` Lee Revell
2005-12-30  8:00                   ` Ingo Molnar
2005-12-30 18:51                     ` Lee Revell
2005-12-31  0:51                     ` Lee Revell
2005-12-31  0:59                       ` Mark Knecht
2005-12-31  1:16                         ` Lee Revell
2005-12-31  1:30                         ` Lee Revell
2005-12-31  1:02                       ` Linus Torvalds
2005-12-31  1:15                         ` Lee Revell
2005-12-31  1:39                           ` Linus Torvalds
2005-12-31  3:54                             ` Lee Revell
2005-12-31  4:00                             ` Lee Revell
2005-12-31  4:29                               ` Paul E. McKenney
2005-12-31  4:54                                 ` Lee Revell
2005-12-31 20:14                                   ` Paul E. McKenney
2006-01-01  5:46                                     ` Lee Revell
2006-01-01 18:56                                       ` Linus Torvalds
2006-01-01 19:02                                         ` Lee Revell
2006-01-01 19:06                                           ` Lee Revell
2006-01-03 11:12                                         ` Dipankar Sarma
2006-01-03 13:28                                           ` David Lang
2006-01-03 14:11                                             ` Dipankar Sarma
2006-01-03 14:09                                     ` Dipankar Sarma
2006-01-03 15:55                                       ` Paul E. McKenney
2005-12-31  4:48                               ` Linus Torvalds
2006-01-01  8:32                           ` Lee Revell
2006-01-06 20:28       ` Lee Revell
2005-12-29  0:54   ` 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables Lee Revell
2006-01-19  1:42   ` Lee Revell
2006-01-19  7:29     ` Hugh Dickins
2006-01-19  7:32       ` Lee Revell
2006-01-19  7:35       ` Lee Revell

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