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From: Ingo Molnar <mingo@elte.hu>
To: Mark_H_Johnson@raytheon.com
Cc: linux-kernel@vger.kernel.org, Lee Revell <rlrevell@joe-job.com>,
	Rui Nuno Capela <rncbc@rncbc.org>, "K.R. Foley" <kr@cybsft.com>,
	Bill Huey <bhuey@lnxw.com>, Adam Heath <doogie@debian.org>,
	Florian Schmidt <mista.tapas@gmx.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Michal Schmidt <xschmi00@stud.feec.vutbr.cz>,
	Fernando Pablo Lopez-Lezcano <nando@ccrma.Stanford.EDU>,
	Karsten Wiese <annabellesgarden@yahoo.de>,
	Gunther Persoons <gunther_persoons@spymac.com>,
	emann@mrv.com, Shane Shrybman <shrybman@aei.ca>,
	Amit Shah <amit.shah@codito.com>
Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.25-1
Date: Mon, 15 Nov 2004 20:52:03 +0100	[thread overview]
Message-ID: <20041115195203.GA12321@elte.hu> (raw)
In-Reply-To: <OFCFA96E95.192AA15E-ON86256F4D.00668D28-86256F4D.00668D43@raytheon.com>

* Mark_H_Johnson@raytheon.com <Mark_H_Johnson@raytheon.com> wrote:

>  1209 80000000 0.005ms (+0.000ms): do_nmi (mcount)
>  1209 80000000 0.005ms (+0.000ms): do_nmi (<00200286>)
>  1209 80000000 0.006ms (+0.000ms): profile_hook (profile_tick)
>  1209 80000000 0.006ms (+0.000ms): _raw_read_lock (profile_hook)
>  1209 80000000 0.007ms (+0.196ms): _raw_read_unlock (profile_tick)
>  1209 80000000 0.204ms (+0.001ms): set_new_owner (__down_mutex)

i've seen NMIs causing such problems before. Could you try a testrun
with all debug options disabled in the .config (and REGPARM enabled,
etc.) plus nmi_watchdog=0? Just to see how many of the artifacts are
related to debugging overhead.

	Ingo

  reply	other threads:[~2004-11-15 18:52 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-15 18:40 [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.25-1 Mark_H_Johnson
2004-11-15 19:52 ` Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-11-12 18:23 Mark_H_Johnson
2004-11-12 20:19 ` Shane Shrybman
2004-11-12 16:58 Mark_H_Johnson
2004-11-15 16:46 ` Ingo Molnar
2004-11-15 17:50   ` Ingo Molnar
2004-10-22 15:50 [patch] Real-Time Preemption, -RT-2.6.9-mm1-U10 Ingo Molnar
2004-10-22 17:56 ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-U10.2 Ingo Molnar
2004-10-25 10:40   ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0 Ingo Molnar
2004-10-27  0:15     ` [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.3 Ingo Molnar
2004-11-03 10:58       ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm2-V0.7.1 Ingo Molnar
2004-11-06 15:57         ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.18 Ingo Molnar
2004-11-08  9:16           ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.19 Ingo Molnar
2004-11-08 16:57             ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.21 Ingo Molnar
2004-11-09 16:05               ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23 Ingo Molnar
2004-11-11 14:44                 ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.25-0 Ingo Molnar
2004-11-11 21:51                   ` [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.25-1 Ingo Molnar
2004-11-12  4:08                     ` Bill Huey
2004-11-12  5:03                       ` Bill Huey
2004-11-12  8:39                         ` Ingo Molnar
2004-11-12 10:52                           ` Bill Huey
2004-11-12 14:31                     ` Shane Shrybman
2004-11-12 17:27                       ` K.R. Foley
2004-11-12 17:50                         ` Shane Shrybman
2004-11-12 20:13                       ` Ingo Molnar
2004-11-12 22:15                         ` Shane Shrybman
2004-11-12 23:44                         ` Shane Shrybman
2004-11-14 12:51                           ` Ingo Molnar
2004-11-12 19:48                     ` Gunther Persoons
2004-11-12 20:19                       ` Ingo Molnar
2004-11-13 12:55                         ` Gunther Persoons
2004-11-13 14:36                         ` Gunther Persoons
2004-11-14 12:49                           ` Ingo Molnar
2004-11-14 14:25                             ` Gunther Persoons
2004-11-13 23:12                         ` Gunther Persoons
2004-11-14 12:38                           ` Ingo Molnar
2004-11-14 12:56                     ` Florian Schmidt
2004-11-14 13:26                       ` K.R. Foley
2004-11-14 13:35                         ` Florian Schmidt
2004-11-14 13:56                         ` K.R. Foley
2004-11-14 14:11                         ` Florian Schmidt
2004-11-14 14:15                       ` Ingo Molnar
2004-11-15  1:27                         ` Florian Schmidt
2004-11-15  2:22                           ` K.R. Foley
2004-11-15 15:15                         ` Florian Schmidt
2004-11-15 14:33                     ` Rui Nuno Capela
2004-11-15 15:40                       ` Ingo Molnar
2004-11-15 16:11                       ` Ingo Molnar
2004-11-15 16:52                         ` Rui Nuno Capela
     [not found]                         ` <33583.195.245.190.93.1100537554.squirrel@195.245.190.93>
2004-11-15 22:35                           ` Rui Nuno Capela
2004-11-16 10:41                             ` Ingo Molnar
2004-11-16 12:05                               ` Rui Nuno Capela

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