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Re: Unified tracing buffer

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From: Frank Ch. Eigler
Subject: Re: Unified tracing buffer
Date: Friday, October 3, 2008 - 2:52 pm

Hi -

On Fri, Oct 03, 2008 at 03:10:26PM -0400, Mathieu Desnoyers wrote:

I'm glad the discussion seems to be slowly turning toward the event
layering issues, but ... "markers being a userspace API"?  That seems
to be grossly misleading terminology.  It's a kernel API like anything
else being discussed here.  What's different about it
(vs. tracepoints) is that it could be one of the first clients of the
unified ring buffer widget that concretely addresses the issue of
encoding abstract traceworthy events into serialized data.

(Of course, merging the lower level aspects of the marker/tracepoint
implementations is all well and good.)

- FChE
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Messages in current thread:
Unified tracing buffer, Martin Bligh, (Fri Sep 19, 2:33 pm)
Re: Unified tracing buffer, Randy Dunlap, (Fri Sep 19, 2:42 pm)
Re: Unified tracing buffer, Martin Bligh, (Fri Sep 19, 2:57 pm)
Re: Unified tracing buffer, Martin Bligh, (Fri Sep 19, 3:09 pm)
Re: Unified tracing buffer, Martin Bligh, (Fri Sep 19, 3:19 pm)
Re: Unified tracing buffer, Olaf Dabrunz, (Fri Sep 19, 3:28 pm)
Re: Unified tracing buffer, Olaf Dabrunz, (Fri Sep 19, 3:41 pm)
Re: Unified tracing buffer, Frank Ch. Eigler, (Fri Sep 19, 4:18 pm)
Re: Unified tracing buffer, Peter Zijlstra, (Fri Sep 19, 5:07 pm)
Re: Unified tracing buffer, Marcel Holtmann, (Fri Sep 19, 5:26 pm)
Re: Unified tracing buffer, Olaf Dabrunz, (Sat Sep 20, 1:10 am)
Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 1:26 am)
Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 1:29 am)
Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 1:50 am)
Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 2:03 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 4:40 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 4:44 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 6:37 am)
Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 6:51 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 6:55 am)
Re: Unified tracing buffer, Arjan van de Ven, (Sat Sep 20, 7:12 am)
Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 7:54 am)
Re: Unified tracing buffer, KOSAKI Motohiro, (Sun Sep 21, 8:09 pm)
Re: Unified tracing buffer, Peter Zijlstra, (Mon Sep 22, 2:57 am)
Re: Unified tracing buffer, K.Prasad, (Mon Sep 22, 6:57 am)
Re: Unified tracing buffer, K.Prasad, (Mon Sep 22, 7:07 am)
Re: Unified tracing buffer, Peter Zijlstra, (Mon Sep 22, 7:45 am)
Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 9:29 am)
Re: Unified tracing buffer, Peter Zijlstra, (Mon Sep 22, 9:36 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 11:45 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 11:52 am)
Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 12:45 pm)
Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 1:13 pm)
Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 1:50 pm)
Re: Unified tracing buffer, Steven Rostedt, (Mon Sep 22, 2:39 pm)
Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 3:25 pm)
Re: Unified tracing buffer, Darren Hart, (Mon Sep 22, 4:11 pm)
Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 4:16 pm)
Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 5:04 pm)
Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 5:05 pm)
Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 5:12 pm)
Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 5:39 pm)
Re: Unified tracing buffer, Roland Dreier, (Mon Sep 22, 6:26 pm)
Re: Unified tracing buffer, Steven Rostedt, (Mon Sep 22, 6:39 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:02 pm)
Re: Unified tracing buffer, Darren Hart, (Mon Sep 22, 7:26 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:30 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:31 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:36 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:49 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 8:05 pm)
Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 8:06 pm)
Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 8:26 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 8:27 pm)
Re: Unified tracing buffer, Andi Kleen, (Mon Sep 22, 8:33 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 8:36 pm)
Re: Unified tracing buffer, Steven Rostedt, (Mon Sep 22, 8:43 pm)
Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 8:47 pm)
Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 9:05 pm)
Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 9:10 pm)
Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 9:17 pm)
Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 9:19 pm)
Re: Unified tracing buffer, Andi Kleen, (Mon Sep 22, 10:04 pm)
Re: Unified tracing buffer, Tom Zanussi, (Mon Sep 22, 10:25 pm)
[PATCH 1/3] relay - clean up subbuf switch, Tom Zanussi, (Mon Sep 22, 10:27 pm)
[PATCH 2/3] relay - make subbuf switch replaceable, Tom Zanussi, (Mon Sep 22, 10:27 pm)
[PATCH 3/3] relay - add channel flags, Tom Zanussi, (Mon Sep 22, 10:27 pm)
Re: Unified tracing buffer, Peter Zijlstra, (Tue Sep 23, 2:31 am)
Re: Unified tracing buffer, Steven Rostedt, (Tue Sep 23, 3:53 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 6:50 am)
Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 7:00 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 7:12 am)
Re: Unified tracing buffer, KOSAKI Motohiro, (Tue Sep 23, 7:36 am)
Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 7:49 am)
Re: Unified tracing buffer, Frank Ch. Eigler, (Tue Sep 23, 8:02 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 8:04 am)
Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 8:21 am)
Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 8:23 am)
Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 8:30 am)
Re: Unified tracing buffer, Linus Torvalds, (Tue Sep 23, 8:46 am)
Re: Unified tracing buffer, Linus Torvalds, (Tue Sep 23, 9:01 am)
Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 10:04 am)
Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 10:30 am)
Re: Unified tracing buffer, K.Prasad, (Tue Sep 23, 10:55 am)
Re: Unified tracing buffer, KOSAKI Motohiro, (Tue Sep 23, 10:59 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 11:13 am)
Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 11:27 am)
Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 11:28 am)
Re: Unified tracing buffer, Christoph Lameter, (Tue Sep 23, 11:33 am)
Re: Unified tracing buffer, Linus Torvalds, (Tue Sep 23, 11:56 am)
Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 11:59 am)
Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 12:36 pm)
Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 12:38 pm)
Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 12:41 pm)
Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 12:50 pm)
Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 1:03 pm)
Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 1:03 pm)
Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 1:08 pm)
Re: [PATCH 1/3] relay - clean up subbuf switch, Andrew Morton, (Tue Sep 23, 1:15 pm)
Re: [PATCH 2/3] relay - make subbuf switch replaceable, Andrew Morton, (Tue Sep 23, 1:17 pm)
Re: [PATCH 3/3] relay - add channel flags, Andrew Morton, (Tue Sep 23, 1:20 pm)
Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 2:02 pm)
Re: Unified tracing buffer, Tom Zanussi, (Tue Sep 23, 8:50 pm)
Re: [PATCH 3/3] relay - add channel flags, Tom Zanussi, (Tue Sep 23, 8:57 pm)
Re: Unified tracing buffer, K.Prasad, (Tue Sep 23, 10:42 pm)
[RFC PATCH 0/8] current relay cleanup patchset, Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 1/8] relay - Clean up relay_switch_subbuf() and ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 2/8] relay - Make the relay sub-buffer switch c ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 3/8] relay - Add channel flags to relay, remove ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 4/8] relay - Add reserved param to switch-subbu ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 5/8] relay - Map the first sub-buffer at the en ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 6/8] relay - Replace relay_reserve/relay_write ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 7/8] relay - Remove padding-related code from r ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)
[RFC PATCH 8/8] relay - Clean up remaining padding-related ..., Tom Zanussi, (Wed Sep 24, 11:08 pm)
Re: Unified tracing buffer, Jason Baron, (Thu Oct 2, 8:28 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Fri Oct 3, 9:11 am)
Re: Unified tracing buffer, Jason Baron, (Fri Oct 3, 11:37 am)
Re: Unified tracing buffer, Mathieu Desnoyers, (Fri Oct 3, 12:10 pm)
Re: Unified tracing buffer, Jason Baron, (Fri Oct 3, 12:25 pm)
Re: Unified tracing buffer, Mathieu Desnoyers, (Fri Oct 3, 12:56 pm)
Re: Unified tracing buffer, Jason Baron, (Fri Oct 3, 1:25 pm)
Re: Unified tracing buffer, Frank Ch. Eigler, (Fri Oct 3, 2:52 pm)