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Re: Unified tracing buffer
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From: Peter Zijlstra
Subject:
Re: Unified tracing buffer
Date: Tuesday, September 23, 2008 - 2:31 am
On Tue, 2008-09-23 at 00:25 -0500, Tom Zanussi wrote:
quoted text
> - get rid of anything having to do with padding, nobody needs it and its > only affect has been to horribly distort and complicate a lot of the > code > - get rid of sub-buffers, they just cause confusion > - get rid of mmap, nobody uses it > - no sub-buffers and no mmap support means we can get rid of most of the > callbacks, and a lot of API confusion along with them > - add relay flags - they probably should have been used from the > beginning and options made explicit instead of being shoehorned into the > callback functions.
- get rid of the vmap buffers as they cause tlb pressure and eat up precious vspace on 32 bit platforms. --
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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)
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