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From: Ingo Molnar <mingo@elte.hu>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	"Frank Ch. Eigler" <fche@redhat.com>,
	karim@opersys.com, Tim Bird <tim.bird@am.sony.com>,
	Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
	linux-kernel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@redhat.com>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Tom Zanussi <zanussi@us.ibm.com>,
	ltt-dev@shafik.org, Michel Dagenais <michel.dagenais@polymtl.ca>
Subject: Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108
Date: Fri, 15 Sep 2006 21:10:31 +0200	[thread overview]
Message-ID: <20060915191031.GA26754@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.64.0609152046350.6761@scrub.home>


* Roman Zippel <zippel@linux-m68k.org> wrote:

> On Fri, 15 Sep 2006, Ingo Molnar wrote:
> 
> > this is being worked on actively: there's the "djprobes" patchset, 
> > which includes a simplified disassembler to analyze common target 
> > code and can thus insert much faster, call-a-trampoline-function 
> > based tracepoints that are just as fast as (or faster than) 
> > compile-time, static tracepoints.
> 
> Who is going to implement this for every arch?

someone who is interested enough in that arch growing that capability?

> Is this now the official party line that only archs, which implement 
> all of this, can make use of efficient tracing?

that's certainly my preference - kprobes have lots of other advantages 
besides tracing. Whether that becomes the "official party line" depends 
on the technological analysis of the situation which will ultimately 
shape the outcome of this discussion.

	Ingo

  reply	other threads:[~2006-09-15 19:19 UTC|newest]

Thread overview: 284+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-14  3:38 [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108 Mathieu Desnoyers
2006-09-14 11:27 ` Ingo Molnar
2006-09-14 13:40   ` Roman Zippel
2006-09-14 13:55     ` Ingo Molnar
2006-09-14 14:33       ` Roman Zippel
2006-09-14 15:26         ` Michel Dagenais
2006-09-14 17:48           ` Ingo Molnar
2006-09-15 15:04             ` Mathieu Desnoyers
2006-09-14 18:08           ` Nick Piggin
2006-09-14 18:38             ` Karim Yaghmour
2006-09-14 17:13         ` Ingo Molnar
2006-09-14 17:55           ` Roman Zippel
2006-09-14 18:15             ` Ingo Molnar
2006-09-14 18:35               ` Mathieu Desnoyers
2006-09-14 18:54               ` Karim Yaghmour
2006-09-15  9:20                 ` Jes Sorensen
2006-09-15 12:38                   ` Karim Yaghmour
2006-09-15 12:32                     ` Jes Sorensen
2006-09-15 14:09                       ` Karim Yaghmour
2006-09-15 14:30                         ` Jes Sorensen
2006-09-15 15:12                           ` Karim Yaghmour
2006-09-16 10:41                             ` Jes Sorensen
2006-09-16 15:28                               ` Karim Yaghmour
2006-09-18  8:57                                 ` Jes Sorensen
2006-09-18 14:48                                   ` Ingo Molnar
2006-09-18 15:37                                     ` Karim Yaghmour
2006-09-15 13:20                     ` Paul Mundt
2006-09-15 13:41                       ` Roman Zippel
2006-09-15 13:44                         ` Jes Sorensen
2006-09-15 14:03                           ` Roman Zippel
2006-09-15 14:37                             ` Alan Cox
2006-09-15 14:34                               ` Roman Zippel
2006-09-15 13:57                         ` Paul Mundt
2006-09-15 14:17                           ` Karim Yaghmour
2006-09-15 14:13                             ` Jes Sorensen
2006-09-15 14:31                               ` Karim Yaghmour
2006-09-15 14:28                                 ` Paul Mundt
2006-09-15 14:46                                   ` Martin J. Bligh
2006-09-15 15:22                                     ` Alan Cox
2006-09-15 15:47                                       ` Martin J. Bligh
2006-09-15 14:51                                   ` Karim Yaghmour
2006-09-15 15:00                                     ` Thomas Gleixner
2006-09-15 15:28                                       ` Karim Yaghmour
2006-09-15 18:16                                       ` Andrew Morton
2006-09-15 18:19                                         ` Ingo Molnar
2006-09-15 19:26                                           ` Karim Yaghmour
2006-09-15 19:43                                           ` Roman Zippel
2006-09-15 20:05                                             ` Ingo Molnar
2006-09-15 20:22                                               ` Mathieu Desnoyers
2006-09-15 21:08                                                 ` Jose R. Santos
2006-09-15 21:25                                                   ` Mathieu Desnoyers
2006-09-15 22:02                                                     ` Jose R. Santos
2006-09-15 22:03                                                   ` Ingo Molnar
2006-09-15 22:32                                                     ` Karim Yaghmour
2006-09-15 22:43                                                       ` Ingo Molnar
2006-09-15 23:33                                                         ` Karim Yaghmour
2006-09-15 23:52                                                           ` Ingo Molnar
2006-09-16  2:24                                                             ` Karim Yaghmour
2006-09-15 23:53                                                           ` Ingo Molnar
2006-09-16  2:51                                                             ` Karim Yaghmour
2006-09-15 22:59                                                     ` Frank Ch. Eigler
2006-09-15 23:40                                                       ` Karim Yaghmour
2006-09-15 23:17                                                     ` Jose R. Santos
2006-09-15 21:32                                                 ` Ingo Molnar
2006-09-15 21:58                                                   ` Mathieu Desnoyers
2006-09-15 22:19                                                     ` Ingo Molnar
2006-09-15 22:45                                                       ` Karim Yaghmour
2006-09-16  9:59                                                 ` Jes Sorensen
2006-09-16 17:24                                                   ` Mathieu Desnoyers
2006-09-16 17:35                                                     ` Ingo Molnar
2006-09-16 17:56                                                       ` Mathieu Desnoyers
2006-09-16 19:10                                                         ` Ingo Molnar
2006-09-16 19:37                                                           ` Ingo Molnar
2006-09-16 20:29                                                             ` [patch] kprobes: optimize branch placement Ingo Molnar
2006-09-16 20:43                                                               ` Ingo Molnar
2006-09-16 21:44                                                                 ` Karim Yaghmour
2006-09-16 22:57                                                                   ` Andrew Morton
2006-09-16 23:24                                                                     ` Ingo Molnar
2006-09-17  2:44                                                                       ` Karim Yaghmour
2006-09-17  1:59                                                                     ` Karim Yaghmour
2006-09-17 12:15                                                                       ` Mike Galbraith
2006-09-16 22:56                                                                 ` Andrew Morton
2006-09-16 23:30                                                                   ` Ingo Molnar
2006-09-18 13:52                                                                     ` Ananth N Mavinakayanahalli
2006-09-16 22:55                                                               ` Andrew Morton
2006-09-17 10:13                                                             ` [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108 Frederik Deweerdt
2006-09-17 14:00                                                               ` Ingo Molnar
2006-09-16 19:51                                                           ` Karim Yaghmour
2006-09-16 23:40                                                         ` Ingo Molnar
2006-09-17  5:33                                                           ` Mathieu Desnoyers
2006-09-16 18:11                                                       ` Karim Yaghmour
2006-09-16 17:44                                                         ` Ingo Molnar
2006-09-16 18:15                                                           ` Karim Yaghmour
2006-09-18  8:18                                                             ` Jes Sorensen
2006-09-16 17:55                                                     ` Karim Yaghmour
2006-09-18  8:21                                                       ` Jes Sorensen
2006-09-18  8:33                                                     ` Jes Sorensen
2006-09-18 15:01                                                       ` Mathieu Desnoyers
2006-09-16 17:30                                                   ` Mathieu Desnoyers
2006-09-18  8:15                                                     ` Jes Sorensen
2006-09-18 14:53                                                       ` Mathieu Desnoyers
2006-09-18 15:17                                                         ` Ingo Molnar
2006-09-18 16:54                                                           ` Mathieu Desnoyers
2006-09-15 21:12                                               ` Roman Zippel
2006-09-15 21:08                                                 ` Ingo Molnar
2006-09-15 20:13                                           ` Andrew Morton
2006-09-15 21:49                                             ` Jose R. Santos
2006-09-16 10:19                                             ` Jes Sorensen
2006-09-16 16:05                                               ` Karim Yaghmour
2006-09-17  4:54                                                 ` Ganesan Rajagopal
2006-09-18  8:13                                                 ` Jes Sorensen
2006-09-18 14:46                                                   ` Mathieu Desnoyers
2006-09-18 17:06                                                   ` Martin Bligh
2006-09-20 14:17                                                     ` Jes Sorensen
2006-09-15 19:35                                         ` Thomas Gleixner
2006-09-15 19:40                                           ` Ingo Molnar
2006-09-15 19:56                                           ` Karim Yaghmour
2006-09-15 20:23                                             ` Thomas Gleixner
2006-09-15 20:40                                               ` Roman Zippel
2006-09-15 20:48                                                 ` Ingo Molnar
2006-09-15 21:17                                                   ` Karim Yaghmour
2006-09-15 21:15                                                     ` Ingo Molnar
2006-09-15 21:56                                                       ` Karim Yaghmour
2006-09-15 21:27                                                   ` Roman Zippel
2006-09-15 21:51                                                     ` Ingo Molnar
2006-09-15 22:15                                                       ` Karim Yaghmour
2006-09-15 22:53                                                       ` Roman Zippel
2006-09-15 23:14                                                         ` Ingo Molnar
2006-09-15 23:49                                                           ` Nicholas Miell
2006-09-15 23:57                                                             ` Ingo Molnar
2006-09-16  0:41                                                               ` Nicholas Miell
2006-09-16  0:31                                                           ` Roman Zippel
2006-09-16  8:20                                                             ` Ingo Molnar
2006-09-16  8:21                                                             ` Ingo Molnar
2006-09-16  8:21                                                             ` Ingo Molnar
2006-09-16  8:22                                                             ` Ingo Molnar
2006-09-16 19:58                                                               ` Roman Zippel
2006-09-16 22:50                                                                 ` Ingo Molnar
2006-09-16 23:00                                                                 ` Ingo Molnar
2006-09-17  1:15                                                                   ` Roman Zippel
2006-09-17  8:42                                                                     ` Ingo Molnar
2006-09-17 15:16                                                                       ` Roman Zippel
2006-09-17 15:25                                                                         ` Ingo Molnar
2006-09-17 16:02                                                                           ` Roman Zippel
2006-09-17 16:45                                                                             ` Ingo Molnar
2006-09-17 16:59                                                                             ` Nick Piggin
2006-09-17 17:26                                                                               ` Roman Zippel
2006-09-17 17:56                                                                                 ` Nick Piggin
2006-09-17 18:59                                                                                   ` Roman Zippel
2006-09-17 21:23                                                                                     ` Ingo Molnar
2006-09-17 21:52                                                                                       ` Roman Zippel
2006-09-17 22:27                                                                                         ` Ingo Molnar
2006-09-17 21:40                                                                                     ` Ingo Molnar
2006-09-18  8:43                                                                                     ` Jes Sorensen
2006-09-17 21:32                                                                                   ` Ingo Molnar
2006-09-17 19:23                                                                                 ` Ingo Molnar
2006-09-17 19:45                                                                                   ` Roman Zippel
2006-09-17 20:56                                                                                     ` Ingo Molnar
2006-09-17 21:36                                                                                       ` Roman Zippel
2006-09-17 22:13                                                                                         ` Ingo Molnar
2006-09-16 23:14                                                                 ` Ingo Molnar
2006-09-17 14:19                                                                   ` Frank Ch. Eigler
2006-09-17 15:31                                                                     ` Ingo Molnar
2006-09-17 17:15                                                                       ` Mathieu Desnoyers
     [not found]                                                                   ` <y0mu036eglz.fsf@ton.toronto.redhat.com>
2006-09-17 15:00                                                                     ` Ingo Molnar
2006-09-16  8:23                                                             ` Ingo Molnar
2006-09-16  8:23                                                             ` Ingo Molnar
2006-09-16  8:23                                                             ` Ingo Molnar
2006-09-15 21:05                                               ` Karim Yaghmour
2006-09-15 21:17                                                 ` Thomas Gleixner
2006-09-15 21:31                                                   ` Karim Yaghmour
2006-09-15 20:00                                         ` Mathieu Desnoyers
2006-09-15 20:27                                           ` Jose R. Santos
2006-09-15 20:37                                         ` Alan Cox
2006-09-15 20:26                                           ` Mathieu Desnoyers
2006-09-15 20:51                                           ` Karim Yaghmour
2006-09-17 17:53                                           ` Mathieu Desnoyers
2006-09-17 19:35                                           ` printk instrumentation with LTTng Mathieu Desnoyers
2006-09-15 15:24                                     ` [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108 Alan Cox
2006-09-15 15:23                                       ` Karim Yaghmour
2006-09-15 14:39                                 ` Jes Sorensen
2006-09-15 15:04                                   ` Karim Yaghmour
2006-09-14 19:40               ` Tim Bird
2006-09-14 20:00                 ` Ingo Molnar
2006-09-14 20:46                   ` Karim Yaghmour
2006-09-19 12:05                     ` Christoph Hellwig
2006-09-14 21:02                   ` Roman Zippel
2006-09-15 11:40                 ` Alan Cox
2006-09-15 11:46                   ` Roman Zippel
2006-09-15 12:38                     ` Alan Cox
2006-09-15 12:39                       ` Roman Zippel
2006-09-15 13:41                         ` Alan Cox
2006-09-15 13:34                           ` Roman Zippel
2006-09-15 14:41                             ` Alan Cox
2006-09-15 14:35                               ` Karim Yaghmour
2006-09-15 14:58                                 ` Alan Cox
2006-09-15 14:57                                   ` Karim Yaghmour
2006-09-15 17:49                                     ` Andrew Morton
2006-09-15 18:20                                       ` Karim Yaghmour
2006-09-15 17:01                                   ` Tim Bird
2006-09-15 17:08                                   ` Frank Ch. Eigler
2006-09-15 17:57                                     ` Andrew Morton
2006-09-15 18:31                                     ` Alan Cox
2006-09-15 18:12                                       ` Ingo Molnar
2006-09-15 19:10                                         ` Roman Zippel
2006-09-15 19:10                                           ` Ingo Molnar [this message]
2006-09-15 20:05                                           ` Thomas Gleixner
2006-09-15 20:35                                             ` Roman Zippel
2006-09-15 21:44                                             ` Tim Bird
2006-09-19 12:29                                           ` Christoph Hellwig
2006-09-19 13:17                                             ` Roman Zippel
2006-09-15 18:24                                       ` Frank Ch. Eigler
2006-09-15 18:23                                         ` Ingo Molnar
2006-09-15 18:18                                   ` Martin Bligh
2006-09-15 18:10                           ` Jose R. Santos
2006-09-15 19:49                             ` Mathieu Desnoyers
2006-09-15 20:54                               ` Jose R. Santos
2006-09-15 21:42                                 ` Karim Yaghmour
2006-09-15 21:46                                 ` Mathieu Desnoyers
2006-09-19 15:05                                   ` Jose R. Santos
2006-09-19 15:30                                     ` Mathieu Desnoyers
2006-09-19 16:39                                       ` Jose R. Santos
2006-09-19 18:03                                         ` Mathieu Desnoyers
2006-09-15 17:45                       ` Andrew Morton
2006-09-15 18:16                         ` Karim Yaghmour
2006-09-15 19:20                           ` Jose R. Santos
2006-09-15 19:59                           ` Andrew Morton
2006-09-15 20:24                             ` Karim Yaghmour
2006-09-15 20:25                               ` Thomas Gleixner
2006-09-14 19:47               ` Roman Zippel
2006-09-14 20:24                 ` Ingo Molnar
2006-09-14 20:54                   ` Roman Zippel
2006-09-14 21:08                     ` Daniel Walker
2006-09-14 21:30                       ` Roman Zippel
2006-09-14 22:15                         ` Ingo Molnar
2006-09-14 23:39                           ` Roman Zippel
2006-09-14 23:43                             ` Ingo Molnar
2006-09-15  0:27                               ` Roman Zippel
2006-09-15  1:47                   ` Mathieu Desnoyers
2006-09-15  5:47                     ` Vara Prasad
2006-09-14 18:12           ` Karim Yaghmour
2006-09-14 20:25           ` Martin Bligh
2006-09-14 20:34             ` Ingo Molnar
2006-09-14 20:55               ` Martin Bligh
2006-09-14 21:31                 ` Ingo Molnar
2006-09-14 22:25                   ` Martin Bligh
2006-09-14 22:36                     ` Ingo Molnar
2006-09-14 22:59                       ` Martin Bligh
2006-09-14 23:19                         ` Ingo Molnar
2006-09-15  0:19                           ` Nicholas Miell
2006-09-15  1:04                           ` Martin J. Bligh
2006-09-15 12:38                             ` Ingo Molnar
2006-09-15  7:00                         ` Vara Prasad
2006-09-15 15:37                       ` Michel Dagenais
2006-09-19 12:08                 ` Christoph Hellwig
2006-09-14 21:07               ` Roman Zippel
2006-09-15  9:29               ` Jes Sorensen
2006-09-14 17:51         ` Karim Yaghmour
2006-09-14 15:19       ` Mathieu Desnoyers
2006-09-14 19:39         ` Frank Ch. Eigler
2006-09-15 17:13         ` Jose R. Santos
2006-09-14 15:02   ` Mathieu Desnoyers
2006-09-14 15:14   ` Martin J. Bligh
2006-09-14 17:43     ` Ingo Molnar
2006-09-14 18:25       ` Karim Yaghmour
2006-09-14 20:03       ` Martin Bligh
2006-09-14 20:14         ` Ingo Molnar
2006-09-14 20:40           ` Martin Bligh
2006-09-14 21:05           ` Michel Dagenais
2006-09-14 22:23             ` Ingo Molnar
2006-09-14 22:46               ` Martin Bligh
2006-09-14 22:56                 ` Ingo Molnar
2006-09-14 19:03     ` grundig
2006-09-14 19:21       ` Karim Yaghmour
2006-09-14 19:48     ` Frank Ch. Eigler
2006-09-15 16:32       ` Jose R. Santos
2006-09-19 11:59   ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2006-09-15  3:10 James Dickens
2006-09-15  9:17 Richard J Moore
2006-09-15 17:14 Chuck Ebbert
2006-09-15 18:32 ` Alan Cox
2006-09-16 10:46 ` Jes Sorensen
2006-09-25 15:20 Chuck Ebbert
2006-09-25 15:39 ` Ingo Molnar

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